The cheapest way to get from Houston Airport (IAH) to London Luton Airport (LTN) costs only £455, and the quickest way takes just 11¼ hours. Find the travel option that best suits you.Singapore Airlines destinations. Flights United States of America. From Houston. Take off with Singapore Airlines and explore the world. Find the best flights from Houston to your destination of choice. Book your air tickets today!14:50. Brussels Airlines / Operated by United Airlines 879. (LHR to IAH) Track the current status of flights departing from (LHR) London Heathrow Airport and arriving in (IAH) George Bush Intercontinental Airport.Book cheap flights to London (LHR) with United Airlines. Enjoy all the in-flight perks on your London flight, including speed Wi-Fi. ... From Houston (IAH) To London (LHR) Roundtrip | Economy: 07/10/24 - 08/21/24: from. $ 671* Viewed: 17 hours ago. From Denver (DEN) To London (LHR) Roundtrip | Economy: 07/20/24 - 08/30/24: from. $ 644* …The cheapest way to get from Houston Airport (IAH) to London Luton Airport (LTN) costs only £455, and the quickest way takes just 11¼ hours. Find the travel option that best suits you.39% of IAH to LHR travelers were female. 15% of IAH to LHR travelers were over the age of 60. The last flight from IAH to LHR departs at 10:00PM - 11:00PM. July is the high season to travel from IAH to LHR. May is the low season to travel from George Bush to London Heathrow. Travelers spent an average of 4 days in London Heathrow. Cheap Flights from Houston to London (IAH-LCY) Prices were available within the past 7 days and start at $517 for one-way flights and $622 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. Book one-way or return flights from Houston to London with no change fee on selected flights. How prices are estimated. In most cities, your cost is calculated up front, before you confirm your ride. In others, you will see an estimated price range (see applicable price terms in your city). Here are some fees and factors that can affect your price:Cheap Flights from Houston to Lisbon (IAH-LIS) Prices were available within the past 7 days and start at $593 for one-way flights and $641 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. Book one-way or return flights from Houston to Lisbon with no change fee on selected flights.1 stop. Wed, 1 May LHR - IAH with Air France. 1 stop. from £477. London. £478 per passenger.Departing Tue, 27 Aug, returning Tue, 10 Sep.Return flight with Virgin Atlantic.Outbound indirect flight with Virgin Atlantic, departs from Houston George Bush Intercntl. on Tue, 27 Aug, arriving in London Heathrow.Inbound indirect flight with Virgin ...Amazing Turkish Airlines IAH to LHR Flight Deals. The cheapest flights to Heathrow found within the past 7 days were $812 round trip and $571 one way. Prices and availability subject to change. Additional terms may apply. Thu, Oct 17 - Mon, Oct 21.6 days ago · Find airfare and ticket deals for cheap flights from Houston George Bush Intcntl Airport (IAH) to London, England. Search flight deals from various travel partners with one click at $188. Compare flight deals to London Luton from Houston George Bush Intercntl. from over 1,000 providers. Then choose the cheapest plane tickets or fastest journeys. Flex your dates to find the best Houston George Bush Intercntl.–London Luton ticket prices. Find cheap flights from Houston George Bush Airport to London Luton Airport from. $297. Round-trip. 1 adult. Economy. 0 bags. Add hotel. Wed 5/22. Wed 5/29. London. $809 per passenger. Departing Tue, Mar 25, returning Thu, Mar 27. Round-trip flight with Lufthansa. Outbound indirect flight with Lufthansa, departing from Houston George Bush Intercntl. on Tue, Mar 25, arriving in London City. Cheap Flights from Houston to London (IAH-LCY) Prices were available within the past 7 days and start at $517 for one-way flights and $622 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. Book one-way or return flights from Houston to London with no change fee on selected flights. Book our best prices between Houston and London within the next 6 months. Virgin Atlantic is incredibly proud to have been awarded Diamond status in Health and Safety by APEX and Simpliflying. This is the highest standard possible, and shows our unwavering commitment to keeping our staff and customers safe and sound throughout the Covid-19 ...YXU to IAH Flight Details. Distance and aircraft type by airline for flights from London International Airport to George Bush Intercontinental Airport. Origin YXU London International Airport. Destination IAH George Bush … Cheap Flights from Houston to London (IAH-LON) Prices were available within the past 7 days and start at $220 for one-way flights and $500 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. Book one-way or return flights from Houston to London with no change fee on selected flights. Mon, 25 Nov LCY - IAH with Virgin Atlantic. 1 stop. from £591. London. £601 per passenger.Departing Tue, 23 Apr, returning Tue, 30 Apr.Return flight with SWISS.Outbound indirect flight with SWISS, departs from Houston George Bush Intercntl. on Tue, 23 Apr, arriving in London City.Inbound indirect flight with SWISS, departs from London City on ... Fly Emirates to Houston (IAH) and beyond. Get inspired by our recommended destinations and book your next flight or vacation today. And on your way, enjoy superior comfort, gourmet meals and award-winning entertainment with us, whether you’re flying in Economy Class, Premium Economy, Business Class or First Class. Flights to Dubai.Jan 9, 2024 · Amazing American Airlines IAH to LHR Flight Deals. The cheapest flights to Heathrow found within the past 7 days were $856 round trip and $834 one way. Prices and availability subject to change. Additional terms may apply. Tue, Mar 19 - Tue, Mar 26. VIRGINATLANTIC.COM. However, booking Virgin Atlantic business-class flights is unreasonable — you can easily drop 67,500 miles and $875 in fees one-way. It's worth noting that you can book Delta flights to London for as little as 15,000 points in economy and 47,500 points in Delta One (business class).The cheapest way to get from Houston Airport (IAH) to Barcelona costs only €555, and the quickest way takes just 12¾ hours. Find the travel option that best suits you. ... Flights from Houston to Girona via London Heathrow, Brussels Ave. Duration 21h 25m When Thursday and Sunday Estimated price €600 - €2200 ...Flight UA4 from London to Houston is operated by United Airlines. Scheduled time of departure from Heathrow is 13:40 BST and scheduled time of arrival in George Bush Intercontinental is 17:55 CDT. The duration of the flight United Airlines UA 4 is 10 hours 15 minutes.Find United Airlines cheap flights from Houston to Dublin. Enjoy a Houston to Dublin modern flight experience in premium cabins with Wi-Fi.There are 2 airlines that fly nonstop from London Heathrow Airport to Houston George Bush Intcntl Airport. They are British Airways and United Airlines. The cheapest airline for this route is United Airlines, with the best one-way deal found costing $649. On average, the best prices for this route can be found at United Airlines.The cheapest way to get from Houston Airport (IAH) to Rotterdam costs only €649, and the quickest way takes just 9½ hours. Find the travel option that best suits you. ... Fly from Houston (IAH) to London Heathrow (LHR) IAH - LHR; Take the train from London St Pancras Intl to Rotterdam Centraal; €421 - €1286. Fly to Frankfurt, train ...London (LHR) 05/05/24 - 05/12/24. from. $682* Updated: 3 hours ago. Round trip. I. Economy. See Latest Fare. Houston (HOU) to. London (LHR) 05/09/24 - 05/16/24. from. $687* Updated: 3 hours ago. Round trip. I. Economy. See Latest Fare. keyboard_arrow_right *Fares displayed have been collected within the last 24hrs and …Fly Houston to London Gatwick, train • 13h 25m. Fly from Houston (IAH) to London Gatwick (LGW) IAH - LGW. Take the train from Gatwick Airport to Farringdon. £385 - £937.YXU to IAH Flight Details. Distance and aircraft type by airline for flights from London International Airport to George Bush Intercontinental Airport. Origin YXU London International Airport. Destination IAH George Bush …12 minutes. 17 minutes. International Processing. International passengers who arrive at both Terminals D and E will proceed through Customs & Immigration to the Terminal E international arrivals hall. * Does not include secondary processing by CBP. TSA Security Recheck. TSA Security Recheck. Less than 10 minutes. Cheap Flights from Houston to London (IAH-LHR) Prices were available within the past 7 days and start at $405 for one-way flights and $501 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. Book one-way or return flights from Houston to London with no change fee on selected flights. 09/24/24 - 10/03/24. from. $ 986*. Viewed: 17 hours ago. From. Houston (IAH) To. Barcelona (BCN) Roundtrip.Disclaimer for Flight Radar Data. Flight UA5 from Houston to London is operated by United Airlines. Scheduled time of departure from George Bush Intercontinental is 20:15 CDT and scheduled time of arrival in Heathrow is 11:35 BST. The duration of the flight United Airlines UA 5 is 9 hours 20 minutes. Direct (non-stop) flights from Houston to London. All flight schedules from George Bush Intcntl Houston , Texas , USA to Heathrow, United Kingdom . This route is operated by 2 airline (s), and the flight time is 10 hours and 00 minute. The distance is 4850 miles. The cheapest way to get from Houston Airport (IAH) to Rotterdam costs only €649, and the quickest way takes just 9½ hours. Find the travel option that best suits you. ... Fly from Houston (IAH) to London Heathrow (LHR) IAH - LHR; Take the train from London St Pancras Intl to Rotterdam Centraal; €421 - €1286. Fly to Frankfurt, train ...The basics. ERIC ROSEN/THE POINTS GUY. As noted above, British Airways uses a distance-based formula for calculating how many Avios you need for a given flight. To maximize value with this chart type, you need to take a different approach than you would with zone-based charts or dynamic pricing.The cheapest way to get from Houston Airport (IAH) to London Luton Airport (LTN) costs only £455, and the quickest way takes just 11¼ hours. Find the travel option that best suits you.Search for cheap flights from George Bush Intercontinental (IAH) to London City (LCY) starting at $662. We offer cheap direct, non-stop flights including one way and roundtrip tickets.$1,825 Cheap Flights from Houston (IAH) to London (STN) Bundle Your Flight + Hotel & Save! Roundtrip. One-way. Multi-city. 1 traveler. Economy. Leaving from. Going to. … Cheap Flights from Houston to London (IAH-LCY) Prices were available within the past 7 days and start at $517 for one-way flights and $622 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. Book one-way or return flights from Houston to London with no change fee on selected flights. Airfares from $405 One Way, $470 Round Trip from Houston to London. Prices starting at $470 for return flights and $405 for one-way flights to London were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply. Mon, Sep 30 - Tue, Oct 15. IAH. Houston. LGW.Get United cheap flights from Houston to London. Book one-way or return flight from IAH → LHR with United (UA) deals & save!Use Google Flights to explore cheap flights to anywhere. Search destinations and track prices to find and book your next flight.Find airfare and ticket deals for cheap flights from Houston George Bush Intcntl Airport (IAH) to London, England. Search flight deals from various travel partners with one click at $188.*Awards have been available for round trips within the last 48 hours and may not be currently available. For Economy class, awards listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions.Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply.United Airlines FLIGHT UA4 from London to Houston. On-time Performance, delay statistics and flight information for UA4 LIVE TRACKING ... LHR -> IAH London 20 Apr 13:40 BST London (LHR / EGLL) 20 Apr 13:40 BST: Houston 20 Apr 17:55 CDT Houston (IAH / KIAH) 20 Apr 17:55 CDT: 19. Apr On TimeBagging a cheap flight from Houston to London may mean more dollars to spend on for one-of-a-kind souvenirs when you arrive, but it doesn’t mean you have to skimp on your travel experience, as Expedia offers a sizzling selection of cheap airlines that’ll put you in your happy place on their planes, whether that’s getting lost in a hair ...Search for cheap flights from George Bush Intercontinental (IAH) to London City (LCY) starting at $662. We offer cheap direct, non-stop flights including one way and roundtrip tickets. 1 stop. from $478. London.$574 per passenger.Departing Mon, Jun 3, returning Wed, Jun 19.Round-trip flight with Spirit Airlines and easyJet.Outbound indirect flight with Spirit Airlines, departing from Houston George Bush Intercntl. on Mon, Jun 3, arriving in London Gatwick.Inbound indirect flight with easyJet, departing from London Gatwick on ... The cheapest way to get from Houston Airport (IAH) to Bordeaux costs only €568, and the quickest way takes just 12½ hours. Find the travel option that best suits you. ... Flights from Houston to Biarritz via London Heathrow, Paris Charles de Gaulle Ave. Duration 14h 45m When Every day Estimated price €420 - €1400 ... Cheap Flights from IAH to LHR starting at $220 One Way, $490 Round Trip. Prices starting at $490 for return flights and $220 for one-way flights to Heathrow were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply. Wed, Apr 24 - Tue, Sep 24. Houston George Bush Intcntl London Heathrow. IAH - LHR. IAH LHR. Houston George Bush Intcntl. Tue 9/10. 2 stops 23h 10m. London Heathrow. Wed 9/18. 2 stops 23h 19m. $632. Pick Dates. Flights are sorted by cheapest first. Deals found on 4/23. IAH-LHR. Find cheap flights from Houston George Bush Airport to London Luton Airport from. $297. Round-trip. 1 adult. Economy. 0 bags. Add hotel. Wed 5/22. Wed 5/29. The cheapest way to get from Houston Airport (IAH) to London Kings Cross Station costs only £475, and the quickest way takes just 10¼ hours. Find the travel option that best suits you.While the most popular route (Houston George Bush Intcntl - London Heathrow) can be booked for $524 on average our data indicates $2,486 when flying …Direct. Sun, May 5 LHR – IAH with Lufthansa. Direct. from $404. London.$584 per passenger.Departing Wed, Oct 9, returning Wed, Oct 16.Round-trip flight with British Airways and Iberia.Outbound indirect flight with British Airways, departing from Houston George Bush Intercntl. on Wed, Oct 9, arriving in London Heathrow.Inbound …Tue, 30 Apr LHR - IAH with British Airways. Direct. from $924. London.$925 per passenger.Departing Sun, 21 Apr, returning Wed, 1 May.Return flight with Air France.Outbound indirect flight with Air France, departs from Houston George Bush Intercntl. on Sun, 21 Apr, arriving in London Heathrow.Inbound indirect flight with Air …The cheapest flights to George Bush Intercontinental found within the past 7 days were $693 round trip and $533 one way. Prices and availability subject to change. ... $693. Roundtrip. found 5 days ago. Select JetBlue Airways flight, departing Mon, May 6 from London to Houston, returning Wed, Jul 24, priced at $693 found 5 days ago. Tue, May 7 ...The cheapest month for flights from Houston George Bush Intcntl Airport to Lagos is February, where tickets cost $1,201 on average. On the other hand, the most expensive months are December and July, where the average cost of …Book cheap flights to London (LHR) with United Airlines. Enjoy all the in-flight perks on your London flight, including speed Wi-Fi. ... From Houston (IAH) To London (LHR) Roundtrip | Economy: 07/10/24 - 08/21/24: from. $ 671* Viewed: 17 hours ago. From Denver (DEN) To London (LHR) Roundtrip | Economy: 07/20/24 - 08/30/24: from. $ 644* …No flights were found departing from George Bush Intercontinental Airport and arriving in London Heathrow Airport at the given time period. Please change the filter criteria above and try again. (IAH to LHR) Track the current status of flights departing from (IAH) George Bush Intercontinental Airport and arriving in (LHR) London Heathrow …Great question - IAH to LHR just means Houston George Bush Intcntl Airport to London Heathrow Airport. Now you’ll know what these unique codes when you look for flights! London Gatwick Airport (LGW), London Stansted Airport (STN), London Luton Airport (LTN), London City Airport (LCY), London Southend Airport (SEN) are other … ️ Use the interactive calendar available on Expedia to see the cheapest American Airlines (Houston IAH - London LHR) ticket prices during the weeks surrounding your travel dates. Compare flight prices for similar timeframes and adjust departure and return dates to get the cheapest fare possible. The lowest-priced days are highlighted in green. Find cheap flights from Houston George Bush Airport to London Luton Airport from. $297. Round-trip. 1 adult. Economy. 0 bags. Add hotel. Wed 5/22. Wed 5/29. Lufthansa flight deals and tickets from Houston to London (IAH to LHR) from $696VIRGINATLANTIC.COM. However, booking Virgin Atlantic business-class flights is unreasonable — you can easily drop 67,500 miles and $875 in fees one-way. It's worth noting that you can book Delta flights to London for as little as 15,000 points in economy and 47,500 points in Delta One (business class). Amazing United IAH to LHR Flight Deals. The cheapest flights to Heathrow found within the past 7 days were $598 round trip and $471 one way. Prices and availability subject to change. Additional terms may apply. Mon, Oct 14 - Mon, Oct 21. Flights between Houston and London, UK - our lowest fares in cash. Looking for flights from Houston (IAH) to London, UK (LHR)? Fly Air Canada, voted "Best Airline in North America" by Skytrax and Global Traveler Magazine. Book your Houston to London, UK flight today.Search for cheap flights from George Bush Intercontinental (IAH) to London City (LCY) starting at $662. We offer cheap direct, non-stop flights including one way and roundtrip tickets.Cheap Flights from Houston to Athens (IAH-ATH) Prices were available within the past 7 days and start at $497 for one-way flights and $542 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. Book one-way or return flights from Houston to Athens with no change fee on selected flights.Each day, there are between 6 and 7 nonstop flights that take off from Houston George Bush Intcntl Airport and land in London, with an average flight time of 9h 19m. The most common departure time is 20:00 and most flights take off in the evening, while the most flights land at London Heathrow Airport. Each week, there are 48 flights.London. $596 per passenger. Departing Sat, May 4, returning Sat, May 11. Round-trip flight with Spirit Airlines and Fly Play. Outbound indirect flight with Spirit Airlines, departing from Houston George Bush Intercntl. on Sat, May 4, arriving in London Stansted.Cheap Flights from Houston to Athens (IAH-ATH) Prices were available within the past 7 days and start at $497 for one-way flights and $542 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. Book one-way or return flights from Houston to Athens with no change fee on selected flights.Bagging a cheap flight from Houston to London may mean more dollars to spend on for one-of-a-kind souvenirs when you arrive, but it doesn’t mean you have to skimp on your travel experience, as Expedia offers a sizzling selection of cheap airlines that’ll put you in your happy place on their planes, whether that’s getting lost in a hair ...Air France flight deals and tickets from Houston to London (IAH to LHR) from $499 Cheap Flights from Houston to London (IAH-LGW) Prices were available within the past 7 days and start at $439 for one-way flights and $505 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. Book one-way or return flights from Houston to London with no change fee on selected flights. IAH. Houston. LHR. London. $584. Roundtrip.Discover our best Singapore Airlines flight from Houston IAH to London LHR. To find the best deals on flights to Houston from London with Singapore Airlines, just enter your travel dates, filter by Singapore Airlines, and hit search. You’ll find flights to choose from and can sort by price, flight duration, and arrival or departure time.Search and compare business class flight deals to London. Fly from Washington, D.C. from $1,789, from Newark from $1,849, from New York from $1,912. Book your business class tickets to London. Those flying aboard British Airways from Houston George Bush Intercontinental Airport to London should remember that the carriers allow them to bring service dogs in the cabin. However, the dog must bear the relevant health documentation and valid vaccination certificates. 09/24/24 - 10/03/24. from. $ 986*. Viewed: 17 hours ago. From. Houston (IAH) To. Barcelona (BCN) Roundtrip. IAH. Houston. LGW. London. $626. Roundtrip. found 2 days ago. $451 Search for cheap flights deals from IAH to LGW (George Bush Intercontinental to Gatwick). We offer cheap direct, non-stop flights including one way and roundtrip tickets. Find airfare and ticket deals for cheap flights from Houston George Bush Intcntl Airport (IAH) to London, Canada. Search flight deals from various travel partners with one click at $808.Cheap Flights from IAH to LHR starting at $220 One Way, $490 Round Trip. Prices starting at $490 for return flights and $220 for one-way flights to Heathrow were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply. Wed, Apr 24 - Tue, Sep 24.The easy way to find cheap flights to Houston IAH from London LHR with United To find a cheap United flight from London LHR to Houston IAH, sort your search results by price or filter by budget. Thanks to Travelocity’s Price Match Promise , if you find a better airfare deal anywhere else within 24 hours, we’ll credit or refund the difference.Rome2Rio also offers online bookings for selected operators, making reservations easy and straightforward. The cheapest way to get from Houston Airport (IAH) to Bhutan costs only $1,724, and the quickest way takes just 22 hours. Find the travel option that best suits you.
IAH to London miles upgrade to business . Discussion Hey guys, question to anyone that might have seen this upgrade before. Flying premium plus to London and am being offered a 20k mile + $400 upgrade option to Polaris. Purchase option is 4K. Is this upgrade option pretty standard for those who have flown this route and seen the upgrade options?. Ally read
Amazing Virgin Atlantic IAH to LHR Flight Deals. The cheapest flights to Heathrow found within the past 7 days were $622 round trip and $482 one way. Prices and availability subject to change. Additional terms may apply. Sun, Oct 6 - Tue, Oct 8.In the past 3 days, the cheapest one-way tickets to London Gatwick Airport from Houston George Bush Airport were found on American Airlines ($439) and JetBlue ($452), and …Tue, 30 Apr IAH - LGW with Spirit Airlines. 1 stop. Tue, 7 May LGW - IAH with Norse Atlantic Airways (UK) 1 stop. from £449. London. £450 per passenger.Departing Tue, 1 Oct, returning Fri, 11 Oct.Return flight with British Airways.Outbound direct flight with British Airways departs from Houston George Bush Intercntl. on Tue, 1 Oct, arriving ...Cheap Flights from Houston to Lisbon (IAH-LIS) Prices were available within the past 7 days and start at $593 for one-way flights and $641 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. Book one-way or return flights from Houston to Lisbon with no change fee on selected flights.London (LHR) 05/05/24 - 05/12/24. from. $682* Updated: 3 hours ago. Round trip. I. Economy. See Latest Fare. Houston (HOU) to. London (LHR) 05/09/24 - 05/16/24. from. $687* Updated: 3 hours ago. Round trip. I. Economy. See Latest Fare. keyboard_arrow_right *Fares displayed have been collected within the last 24hrs and …Find airfare and ticket deals for cheap flights from Houston George Bush Intcntl Airport (IAH) to London, England. Search flight deals from various travel partners with one click at $188.Flights from Houston to London with American Airlines. Round trip. 1 Adult, Economy class. Book with cash. From. To. Depart. 04/25/24. today. Return. 05/02/24. today. …Book cheap flights to London (LHR) with United Airlines. Enjoy all the in-flight perks on your London flight, including speed Wi-Fi.IAH - LON. Find cheap flights from Houston George Bush Airport to London from $188. Round-trip. 1 adult. Economy. 0 bags. Add hotel. Sat 5/18. Sat 5/25. Search. Direct … Fly to London Luton, train • 12h 33m. Fly from Houston (IAH) to London Luton (LTN) IAH - LTN. Take the train from Luton to London St Pancras Intl. £280 - £1,021. Quickest way to get there Cheapest option Distance between. The cheapest flights to George Bush Intercontinental found within the past 7 days were $693 round trip and $533 one way. Prices and availability subject to change. ... $693. Roundtrip. found 5 days ago. Select JetBlue Airways flight, departing Mon, May 6 from London to Houston, returning Wed, Jul 24, priced at $693 found 5 days ago. Tue, May 7 ...Fly Houston to London Gatwick, train • 13h 25m. Fly from Houston (IAH) to London Gatwick (LGW) IAH - LGW. Take the train from Gatwick Airport to Farringdon. £385 - £937. Fly to London Luton, train • 12h 33m. Fly from Houston (IAH) to London Luton (LTN) IAH - LTN. Take the train from Luton to London St Pancras Intl. £280 - £1,021. Quickest way to get there Cheapest option Distance between. Amazing British Airways IAH to LHR Flight Deals. The cheapest flights to Heathrow found within the past 7 days were $595 round trip and $436 one way. Prices and availability subject to change. Additional terms may apply. Mon, Mar 3 - Mon, Mar 10. Cheap Flights from Houston to London (IAH-LCY) Prices were available within the past 7 days and start at $517 for one-way flights and $622 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. Book one-way or return flights from Houston to London with no change fee on selected flights. Flight time from Houston to London via Detroit, MI • IAH to LHR via DTW. Flight duration from George Bush Intercontinental Airport to London Heathrow Airport via Detroit Metropolitan Wayne County Airport, United States on Delta Air Lines flight is 11 hours 54 minutes. IAH to DTW. 2 hrs 47 mins. DTW.Fly to London Luton, train • 12h 33m. Fly from Houston (IAH) to London Luton (LTN) IAH - LTN. Take the train from Luton to London St Pancras Intl. £280 - £1,021. Quickest way to get there Cheapest option Distance between..