Cheap flights from Houston George Bush Intcntl Airport to London Heathrow Airport from £258
This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/10. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — LHR
23 Oct — 30 Oct1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Houston George Bush Intcntl to London Heathrow are usually found in January or February, booked 70 days in advance, depart on a Monday or Friday and return on a Thursday
Cheap flight deals from George Bush Intcntl to Heathrow
Enter your travel dates to find the best prices.
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Cheapest flights from George Bush Intcntl to Heathrow
Explore the most affordable flight options available from George Bush Intcntl to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 23 September 2026.
Wed 21/1010:00 -
1 stop18h 00m
Wed 28/1018:00 -
2 stops32h 39m
Deal found 23/9£571
Wed 7/1010:00 -
1 stop14h 30m
Mon 12/1013:30 -
1 stop30h 05m
Deal found 22/9£574
Wed 7/1007:20 -
2 stops17h 10m
Wed 14/1009:30 -
2 stops18h 22m
Deal found 23/9£577
Wed 21/1007:20 -
2 stops17h 10m
Wed 28/1011:10 -
2 stops14h 48m
Deal found 22/9£578
Sun 11/1010:00 -
2 stops16h 35m
Tue 27/1011:10 -
2 stops16h 43m
Deal found 22/9£579
Mon 28/914:53 -
1 stop13h 32m
Tue 6/1010:00 -
Nonstop10h 15m
Deal found 21/9£579
Mon 28/920:15 -
Nonstop9h 20m
Mon 5/1007:30 -
1 stop36h 05m
Deal found 21/9£581
Wed 7/1010:00 -
1 stop14h 30m
Sun 11/1009:30 -
1 stop16h 22m
Deal found 21/9£582
Wed 30/907:20 -
2 stops17h 10m
Fri 9/1008:30 -
2 stops14h 55m
Deal found 22/9£582
Tue 6/1015:32 -
2 stops16h 13m
Mon 12/1017:35 -
1 stop26h 05m
Deal found 22/9£583
Tue 29/910:00 -
1 stop14h 30m
Mon 5/1020:25 -
2 stops23h 10m
Deal found 21/9£584
Sun 8/1118:10 -
1 stop35h 40m
Sat 21/1106:00 -
2 stops21h 39m
Deal found 22/9£585
Best flights from George Bush Intcntl to Heathrow
Discover carefully curated flight deals from George Bush Intcntl to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 23 September 2026.
Thu 15/1010:57 -
1 stop14h 18m
Tue 20/1006:55 -
1 stop15h 45m
Deal found 22/9£591
Thu 15/1010:00 -
1 stop18h 00m
Wed 21/1008:40 -
2 stops17h 12m
Deal found 23/9£600
Wed 11/1114:40 -
3 stops24h 55m
Tue 17/1108:15 -
3 stops30h 09m
Deal found 21/9£870
Sun 4/1012:21 -
2 stops23h 19m
Wed 28/1007:05 -
3 stops21h 50m
Deal found 19/9£878
Mon 5/1005:15 -
1 stop25h 10m
Mon 19/1014:10 -
1 stop26h 57m
Deal found 22/9£598
Mon 26/1020:00 -
Nonstop9h 15m
Wed 2/1210:00 -
Nonstop10h 40m
Deal found 21/9£605
Fri 9/1020:20 -
1 stop19h 05m
Fri 16/1009:30 -
2 stops19h 14m
Deal found 22/9£623
Thu 8/1006:30 -
1 stop22h 40m
Mon 19/1017:40 -
1 stop34h 12m
Deal found 21/9£645
Thu 15/1010:57 -
1 stop12h 58m
Mon 19/1013:40 -
Nonstop10h 15m
Deal found 21/9£650
Thu 15/1007:55 -
2 stops21h 05m
Mon 19/1008:00 -
3 stops33h 48m
Deal found 22/9£1,134
Sat 10/1020:15 -
Nonstop9h 20m
Sun 18/1015:05 -
1 stop33h 37m
Deal found 23/9£781
Sun 1/1116:25 -
Nonstop9h 15m
Sat 7/1112:05 -
Nonstop10h 35m
Deal found 23/9£1,130
Direct flights from George Bush Intcntl to Heathrow
Explore direct flight options from George Bush Intcntl to Heathrow based on user searches, and compare prices and availability for your desired travel dates. Data last updated 23 September 2026.
Wed 25/1115:50 -
Nonstop9h 00m
Sun 6/1209:35 -
Nonstop10h 30m
Deal found 23/9£579
Fri 13/1121:40 -
Nonstop9h 00m
Wed 18/1109:35 -
Nonstop10h 30m
Deal found 21/9£585
Mon 28/920:15 -
Nonstop9h 20m
Wed 16/1212:05 -
Nonstop10h 35m
Deal found 22/9£586
Sun 11/1016:25 -
Nonstop9h 20m
Tue 27/1010:00 -
Nonstop10h 40m
Deal found 22/9£587
Thu 1/1021:10 -
Nonstop9h 15m
Thu 15/1009:10 -
Nonstop10h 15m
Deal found 21/9£588
Tue 29/915:30 -
Nonstop9h 10m
Sun 4/1009:10 -
Nonstop10h 15m
Deal found 22/9£588
Thu 22/1021:10 -
Nonstop9h 15m
Thu 29/1009:35 -
Nonstop10h 30m
Deal found 22/9£594
Tue 13/1021:10 -
Nonstop9h 15m
Wed 21/1014:45 -
Nonstop10h 35m
Deal found 22/9£595
Fri 2/1016:35 -
Nonstop9h 20m
Tue 13/1010:00 -
Nonstop10h 15m
Deal found 23/9£597
Fri 16/1016:35 -
Nonstop9h 20m
Tue 27/1012:05 -
Nonstop10h 35m
Deal found 23/9£597
Fri 30/1016:50 -
Nonstop9h 00m
Fri 27/1109:35 -
Nonstop10h 30m
Deal found 21/9£604
Tue 24/1116:25 -
Nonstop9h 15m
Wed 2/1212:05 -
Nonstop10h 35m
Deal found 22/9£605
Last-minute flights from George Bush Intcntl to Heathrow
Discover last-minute flight deals from George Bush Intcntl to Heathrow. Data last updated 23 September 2026 and is based on user searches.
Mon 28/914:53 -
1 stop13h 32m
Tue 6/1010:00 -
Nonstop10h 15m
Deal found 21/9£579
Wed 30/910:00 -
2 stops17h 35m
Tue 6/1006:50 -
2 stops17h 37m
Deal found 23/9£567
Wed 30/912:00 -
2 stops16h 00m
Fri 9/1009:30 -
1 stop16h 22m
Deal found 23/9£571
Sun 4/1018:50 -
1 stop12h 25m
Mon 12/1017:35 -
1 stop26h 05m
Deal found 23/9£568
Mon 5/1010:00 -
2 stops16h 35m
Thu 15/1017:40 -
1 stop23h 27m
Deal found 23/9£575
Tue 6/1017:16 -
1 stop12h 39m
Tue 20/1014:10 -
1 stop13h 42m
Deal found 23/9£570
Tue 6/1015:32 -
2 stops16h 13m
Tue 13/1006:30 -
1 stop12h 50m
Deal found 23/9£573
Wed 7/1010:00 -
1 stop14h 30m
Mon 12/1013:30 -
1 stop30h 05m
Deal found 22/9£574
Sun 11/1010:00 -
2 stops16h 35m
Tue 27/1011:10 -
2 stops16h 43m
Deal found 22/9£579
Wed 14/1010:00 -
1 stop14h 30m
Tue 20/1012:05 -
1 stop15h 47m
Deal found 23/9£569
Wed 21/1007:20 -
2 stops17h 10m
Wed 28/1011:10 -
2 stops14h 48m
Deal found 22/9£578
One-way flights from George Bush Intcntl to Heathrow
Search for one-way flight options from George Bush Intcntl to Heathrow. Find affordable one-way fares based on user searches. Data last updated 23 September 2026.
Sat 10/1017:24 -
1 stop34h 06m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 18/9£258
Sat 17/1011:27 -
1 stop16h 03m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 21/9£269
Tue 3/1106:40 -
3 stops25h 55m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 18/9£270
Tue 20/1016:21 -
3 stops42h 44m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 21/9£270
Tue 17/1106:40 -
3 stops30h 10m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 19/9£271
Tue 27/1019:24 -
1 stop30h 31m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 20/9£275
Tue 29/911:48 -
1 stop26h 57m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 20/9£278
Tue 27/1021:43 -
3 stops42h 37m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 20/9£279
Find flight deals from George Bush Intcntl to Heathrow
Discover tips and strategies to find the most affordable flight options for your journey from George Bush Intcntl (IAH) to Heathrow (LHR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 23 September 2026.
Customise your flight search to find flights from George Bush Intcntl to Heathrow that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated 23 September 2026.
Use the filters below to find and compare flights from Houston George Bush Intcntl Airport to London Heathrow Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
Cheapest return flight
Fastest return journey
HoustonLondon
IAH Houston George Bush Intcntl - LHR London Heathrow
IAHLHR
Houston George Bush Intcntl
Tue 22/12
21:40-12:40
Nonstop9h 00m
London Heathrow
Wed 31/12
00:00-17:00
Nonstop0h 00m
£399
HoustonLondon
IAH Houston George Bush Intcntl - LHR London Heathrow
IAHLHR
Houston George Bush Intcntl
Mon 21/12
09:45-10:40
2 stops18h 55m
London Heathrow
Wed 31/12
00:00-17:00
Nonstop0h 00m
£402
HoustonLondon
IAH Houston George Bush Intcntl - LHR London Heathrow
IAHLHR
Houston George Bush Intcntl
Wed 16/12
07:05-09:55
2 stops20h 50m
London Heathrow
Wed 31/12
00:00-17:00
Nonstop0h 00m
£404
HoustonLondon
IAH Houston George Bush Intcntl - LHR London Heathrow
IAHLHR
Houston George Bush Intcntl
Tue 22/12
09:45-10:40
2 stops18h 55m
London Heathrow
Wed 31/12
00:00-17:00
Nonstop0h 00m
£413
HoustonLondon
IAH Houston George Bush Intcntl - LHR London Heathrow
IAHLHR
Houston George Bush Intcntl
Tue 27/10
14:01-17:30
3 stops22h 29m
London Heathrow
Wed 31/12
00:00-17:00
Nonstop0h 00m
£418
HoustonLondon
IAH Houston George Bush Intcntl - LHR London Heathrow
IAHLHR
Houston George Bush Intcntl
Sat 19/12
07:00-10:40
2 stops21h 40m
London Heathrow
Wed 31/12
00:00-17:00
Nonstop0h 00m
£454
HoustonLondon
IAH Houston George Bush Intcntl - LHR London Heathrow
IAHLHR
Houston George Bush Intcntl
Sun 15/11
16:25-07:40
Nonstop9h 15m
London Heathrow
Wed 31/12
00:00-17:00
Nonstop0h 00m
£460
HoustonLondon
IAH Houston George Bush Intcntl - LHR London Heathrow
IAHLHR
Houston George Bush Intcntl
Wed 21/10
16:25-07:45
Nonstop9h 20m
London Heathrow
Wed 31/12
00:00-17:00
Nonstop0h 00m
£460
HoustonLondon
IAH Houston George Bush Intcntl - LHR London Heathrow
IAHLHR
Houston George Bush Intcntl
Mon 21/12
19:00-10:15
Nonstop9h 15m
London Heathrow
Wed 31/12
00:00-17:00
Nonstop0h 00m
£462
HoustonLondon
IAH Houston George Bush Intcntl - LHR London Heathrow
IAHLHR
Houston George Bush Intcntl
Fri 16/10
20:15-11:35
Nonstop9h 20m
London Heathrow
Wed 31/12
00:00-17:00
Nonstop0h 00m
£468
Flights are sorted by cheapest return flights first.
Deals found on 22/9
Showing 1-10 of 23 resultsSorted by cheapest first
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Best time to book a flight from George Bush Intcntl to Heathrow
Have a flexible travel schedule? Discover the best time to fly to Heathrow from George Bush Intcntl with our price prediction graph.
IAH-LHR
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Houston George Bush Intcntl Airport to London Heathrow Airport
Prices
Airlines
Delays
How far ahead should I book a flight from Houston George Bush Intcntl Airport to London Heathrow Airport?
The best time to book flights from Houston George Bush Intcntl Airport to London Heathrow Airport is 69 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from Houston George Bush Intcntl Airport to London Heathrow Airport?
Currently, January is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to London Heathrow Airport (average of £524). Flying from Houston George Bush Intcntl Airport to London Heathrow Airport in June is currently the most expensive (average of £1,065). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from IAH to LHR?
Find hourly flight availability from George Bush Intcntl to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 23 September 2026.
When flying from Houston George Bush Intcntl Airport to London Heathrow Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
How much does it cost for a return flight from Houston George Bush Intcntl Airport to London Heathrow Airport?
Airfare is typical for this route at the moment.
Houston George Bush Intcntl Airport to London Heathrow Airport flights typically cost between £556 and £763 in October.The cheapest return price found within the last 5 days was £571 on Air Canada (21 Oct–28 Oct).
Weekly flight availability from Houston George Bush Intcntl Airport to London Heathrow Airport
Explore weekly flight availability from George Bush Intcntl to Heathrow. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 23 September 2026.
The most flights from IAH to LHR are scheduled on a Monday (22 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (17 on average).
How often are flights from Houston to London delayed?
About 20% of weekly flights between Houston and London have experienced delays in the past year, with the average delay time being 147 minutes.
What is the most punctual flight time for Houston to London flights?
Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Saturday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Houston to London flights?
Over the past year, British Airways have had the lowest number of delays on this route, with just 15% of flights being delayed.
Reviews of airlines servicing Heathrow
Get insights into the airlines that provide service to Heathrow. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Heathrow. Reviews last updated 23 September 2026.
See what other customers who have flown with United Airlines,Virgin Atlantic, andBritish Airways from Houston George Bush Intcntl Airport to London Heathrow Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
Related info for your journey
Find useful and relevant information for your journey from George Bush Intcntl to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
How long is the flight from Houston George Bush Intcntl Airport to London Heathrow Airport?
For as low as £591, United Airlines can have you in London Heathrow Airport from Houston George Bush Intcntl Airport in 14h 18m. Houston George Bush Intcntl Airport and London Heathrow Airport are separated by a distance of 4820 mi.
What are the cheapest airlines flying from Houston George Bush Intcntl Airport to London Heathrow Airport round-trip?
Our cheapest airline available from Houston George Bush Intcntl Airport to London Heathrow Airport is United Airlines. Our recent data shows that you can find tickets from as low as £444 on this airline. Additional options worth looking into are Virgin Atlantic and British Airways, starting at £448 and £497 round-trip. These flights start at 38% lower than the current average price 3 months from now.
What are the cheapest airlines to fly from Houston George Bush Intcntl Airport to London Heathrow Airport one-way?
To fly one-way, consider booking your trip with United Airlines, which is currently one of the cheapest options available, starting at £295. Lufthansa flights start at £302 while deals on British Airways start at £302 one-way.
What are the most reliable airlines from Houston George Bush Intcntl Airport to London Heathrow Airport?
Consider American Airlines (85%), Aer Lingus (85%) or Finnair (85%) when booking your flight. These represent the most reliable airlines when flying from Houston George Bush Intcntl Airport to London Heathrow Airport.
What are the cheapest flights from Houston George Bush Intcntl Airport to London Heathrow Airport?
While on average a flight from Houston George Bush Intcntl Airport to London Heathrow Airport is generally £765, our data shows the cheapest flight currently is £229. When looking at the most popular route, (Houston George Bush Intcntl - London Heathrow), you can expect to pay £523 for that flight.
Can I find deals for flights from George Bush Intcntl to Heathrow that include hotel bookings?
Yes. In addition to deals on George Bush Intcntl to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from George Bush Intcntl to Heathrow?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from George Bush Intcntl to Heathrow.
Can I find deals for business class flights from George Bush Intcntl to Heathrow?
Yes. Cheapflights offers flight deals from George Bush Intcntl to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Houston George Bush Intcntl Airport to London Heathrow Airport?
Currently, January is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to London Heathrow Airport (average of £524). Flying from Houston George Bush Intcntl Airport to London Heathrow Airport in June is currently the most expensive (average of £1,065). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Explore flights to Heathrow departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 23 September 2026.
Top 3 airlines flying from George Bush Intcntl to Heathrow
Discover the top 3 airlines that operate flights from George Bush Intcntl to Heathrow. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated 23 September 2026.
Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from George Bush Intcntl to Heathrow?
Cheapflights makes it easy to find George Bush Intcntl to Heathrow flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.
Why should you use Cheapflights to find cheap flight tickets from George Bush Intcntl to Heathrow?
It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from George Bush Intcntl to Heathrow.
Can Cheapflights find flights from George Bush Intcntl to Heathrow with no change fees?
Certainly. Search results for flights to Heathrow from George Bush Intcntl shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.
Can Cheapflights notify me if prices for flights from George Bush Intcntl to Heathrow become cheaper?
Not ready to book yet? You can track prices for flights from George Bush Intcntl to Heathrow on Cheapflights with our Price Alert feature and get notified when better prices are available.
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