Cheap flights from London Heathrow Airport to Houston George Bush Intcntl Airport from £327
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 16/3. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — IAH
7 Feb — 14 Feb1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from London Heathrow to Houston George Bush Intcntl are usually found in January or February, booked 88 days in advance, depart on a Wednesday or Tuesday and return on a Monday
Cheap flight deals from Heathrow to George Bush Intcntl
Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to George Bush Intcntl (IAH). 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 8 January 2026.
Find flight deals from Heathrow to George Bush Intcntl
Enter your travel dates to find the best prices.
Cheapest flights from Heathrow to George Bush Intcntl
Explore the most affordable flight options available from Heathrow to George Bush Intcntl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 8 January 2026.
Mon 26/114:50LHR - IAH
1 stop32h 39mMultiple Airlines
Sun 26/412:19IAH - LHR
2 stops38h 06mMultiple Airlines
Deal found 7/1£540
Thu 15/112:15LHR - IAH
3 stops26h 25mMultiple Airlines
Fri 23/111:38IAH - LHR
2 stops25h 52mMultiple Airlines
Deal found 7/1£542
Thu 5/209:25LHR - IAH
1 stop19h 31mMultiple Airlines
Thu 12/217:24IAH - LHR
1 stop12h 31mMultiple Airlines
Deal found 6/1£543
Sun 1/306:00LHR - IAH
3 stops35h 11mMultiple Airlines
Fri 6/307:05IAH - LHR
2 stops22h 15mMultiple Airlines
Deal found 6/1£543
Thu 15/120:05LHR - IAH
2 stops34h 14mMultiple Airlines
Thu 29/116:13IAH - LHR
2 stops19h 37mMultiple Airlines
Deal found 6/1£544
Sat 7/309:20LHR - IAH
1 stop33h 39mJetBlue
Tue 17/311:10IAH - LHR
1 stop14h 45mJetBlue
Deal found 7/1£545
Thu 15/111:20LHR - IAH
1 stop18h 59mMultiple Airlines
Wed 28/116:13IAH - LHR
1 stop18h 37mMultiple Airlines
Deal found 6/1£546
Thu 15/109:30LHR - IAH
1 stop14h 45mLufthansa
Sat 31/117:00IAH - LHR
1 stop12h 15mLufthansa
Deal found 7/1£547
Wed 21/109:20LHR - IAH
1 stop32h 19mJetBlue
Thu 19/214:56IAH - LHR
1 stop33h 59mJetBlue
Deal found 7/1£549
Tue 28/408:40LHR - IAH
1 stop33h 13mJetBlue
Tue 12/512:44IAH - LHR
1 stop11h 46mJetBlue
Deal found 7/1£550
Best flights from Heathrow to George Bush Intcntl
Discover carefully curated flight deals from Heathrow to George Bush Intcntl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 8 January 2026.
Fri 6/208:30LHR - IAH
1 stop15h 45mUnited Airlines
Mon 9/210:06IAH - LHR
1 stop13h 49mUnited Airlines
Deal found 7/1£578
Fri 30/109:30LHR - IAH
1 stop14h 45mLufthansa
Sun 1/216:20IAH - LHR
Nonstop9h 10mLufthansa
Deal found 6/1£578
Fri 17/409:30LHR - IAH
1 stop14h 30mMultiple Airlines
Wed 29/416:20IAH - LHR
Nonstop9h 20mMultiple Airlines
Deal found 6/1£590
Mon 23/207:40LHR - IAH
1 stop14h 50mUnited Airlines
Tue 3/316:20IAH - LHR
Nonstop9h 10mUnited Airlines
Deal found 7/1£579
Wed 15/409:30LHR - IAH
1 stop14h 30mLufthansa
Wed 29/420:05IAH - LHR
Nonstop9h 30mLufthansa
Deal found 6/1£590
Mon 23/207:40LHR - IAH
1 stop14h 50mUnited Airlines
Sun 8/317:20IAH - LHR
Nonstop9h 10mUnited Airlines
Deal found 7/1£579
Thu 19/208:30LHR - IAH
1 stop15h 45mUnited Airlines
Tue 3/319:05IAH - LHR
Nonstop9h 10mUnited Airlines
Deal found 7/1£580
Wed 25/209:30LHR - IAH
1 stop14h 45mUnited Airlines
Sun 8/317:20IAH - LHR
Nonstop9h 10mUnited Airlines
Deal found 7/1£580
Wed 25/208:30LHR - IAH
1 stop15h 45mUnited Airlines
Wed 4/319:05IAH - LHR
Nonstop9h 10mUnited Airlines
Deal found 7/1£580
Sun 22/206:30LHR - IAH
1 stop17h 45mUnited Airlines
Fri 6/307:10IAH - LHR
2 stops31h 25mUnited Airlines
Deal found 7/1£586
Direct flights from Heathrow to George Bush Intcntl
Explore direct flight options from Heathrow to George Bush Intcntl based on user searches, and compare prices and availability for your desired travel dates. Data last updated 8 January 2026.
Tue 7/409:10LHR - IAH
Nonstop10h 15mBritish Airways
Sat 18/415:30IAH - LHR
Nonstop9h 10mBritish Airways
Deal found 7/1£543
Thu 5/209:35LHR - IAH
Nonstop10h 30mBritish Airways
Thu 12/215:50IAH - LHR
Nonstop9h 00mBritish Airways
Deal found 6/1£562
Fri 6/209:35LHR - IAH
Nonstop10h 30mBritish Airways
Mon 9/221:45IAH - LHR
Nonstop9h 00mBritish Airways
Deal found 8/1£563
Mon 26/115:25LHR - IAH
Nonstop10h 35mBritish Airways
Sun 26/421:05IAH - LHR
Nonstop9h 20mBritish Airways
Deal found 8/1£564
Wed 21/109:35LHR - IAH
Nonstop10h 30mBritish Airways
Thu 19/221:50IAH - LHR
Nonstop9h 00mBritish Airways
Deal found 7/1£566
Fri 23/109:35LHR - IAH
Nonstop10h 30mBritish Airways
Sun 25/121:50IAH - LHR
Nonstop9h 00mBritish Airways
Deal found 8/1£567
Tue 10/309:35LHR - IAH
Nonstop10h 30mBritish Airways
Fri 25/921:05IAH - LHR
Nonstop9h 20mBritish Airways
Deal found 7/1£569
Thu 15/112:05LHR - IAH
Nonstop10h 45mLufthansa
Sat 31/116:20IAH - LHR
Nonstop9h 10mLufthansa
Deal found 7/1£574
Mon 16/312:05LHR - IAH
Nonstop10h 45mLufthansa
Mon 23/320:05IAH - LHR
Nonstop9h 10mLufthansa
Deal found 6/1£577
Thu 15/115:25LHR - IAH
Nonstop10h 35mBritish Airways
Sun 25/121:50IAH - LHR
Nonstop9h 00mBritish Airways
Deal found 7/1£580
Thu 15/110:00LHR - IAH
Nonstop10h 45mLufthansa
Thu 26/219:05IAH - LHR
Nonstop9h 10mLufthansa
Deal found 7/1£580
Last-minute flights from Heathrow to George Bush Intcntl
Discover last-minute flight deals from Heathrow to George Bush Intcntl. Data last updated 8 January 2026 and is based on user searches.
Thu 15/112:15LHR - IAH
3 stops26h 25mMultiple Airlines
Fri 23/111:38IAH - LHR
2 stops25h 52mMultiple Airlines
Deal found 7/1£542
Thu 15/120:05LHR - IAH
2 stops34h 14mMultiple Airlines
Thu 29/116:13IAH - LHR
2 stops19h 37mMultiple Airlines
Deal found 6/1£544
Thu 15/111:20LHR - IAH
1 stop18h 59mMultiple Airlines
Wed 28/116:13IAH - LHR
1 stop18h 37mMultiple Airlines
Deal found 6/1£546
Thu 15/109:30LHR - IAH
1 stop14h 45mLufthansa
Sat 31/117:00IAH - LHR
1 stop12h 15mLufthansa
Deal found 7/1£547
Wed 21/109:20LHR - IAH
1 stop32h 19mJetBlue
Thu 19/214:56IAH - LHR
1 stop33h 59mJetBlue
Deal found 7/1£549
Mon 26/114:50LHR - IAH
1 stop32h 39mMultiple Airlines
Sun 26/412:19IAH - LHR
2 stops38h 06mMultiple Airlines
Deal found 7/1£540
Thu 5/209:25LHR - IAH
1 stop19h 31mMultiple Airlines
Thu 12/217:24IAH - LHR
1 stop12h 31mMultiple Airlines
Deal found 6/1£543
Fri 6/211:20LHR - IAH
1 stop18h 39mMultiple Airlines
Mon 9/208:00IAH - LHR
2 stops26h 50mMultiple Airlines
Deal found 8/1£552
Thu 12/214:35LHR - IAH
1 stop15h 24mMultiple Airlines
Thu 26/210:08IAH - LHR
1 stop14h 52mMultiple Airlines
Deal found 6/1£554
Sun 22/218:00LHR - IAH
3 stops32h 45mMultiple Airlines
Thu 26/220:11IAH - LHR
3 stops33h 09mMultiple Airlines
Deal found 7/1£554
One-way flights from Heathrow to George Bush Intcntl
Search for one-way flight options from Heathrow to George Bush Intcntl. Find affordable one-way fares based on user searches. Data last updated 8 January 2026.
Mon 16/309:20LHR - IAH
1 stop30h 17mJetBlue
Deal found 6/1£327
Thu 12/218:45LHR - IAH
3 stops52h 45mMultiple Airlines
Deal found 6/1£328
Sat 17/120:50LHR - IAH
3 stops32h 06mMultiple Airlines
Deal found 6/1£359
Sat 28/209:00LHR - IAH
2 stops21h 30mMultiple Airlines
Deal found 7/1£362
Sun 15/220:15LHR - IAH
2 stops53h 08mMultiple Airlines
Deal found 6/1£370
Sun 22/315:15LHR - IAH
2 stops53h 12mMultiple Airlines
Deal found 7/1£374
Sun 18/120:35LHR - IAH
2 stops55h 22mMultiple Airlines
Deal found 6/1£376
Thu 29/114:50LHR - IAH
3 stops32h 20mMultiple Airlines
Deal found 7/1£379
Tue 20/114:50LHR - IAH
1 stop32h 39mWestJet
Deal found 6/1£380
Cheapflights Fare Finder
Customise your flight search to find flights from Heathrow to George Bush Intcntl 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 858,174 searches. Data last updated 8 January 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Houston George Bush Intcntl Airport that are best for you.
Fly from
Heathrow
Fly to
George Bush Intcntl
Route
Depart
Return
Price
LondonHouston
LHR - IAH
LHRIAH
London Heathrow
Fri 6/2
08:30-18:15
1 stop15h 45m
Houston George Bush Intcntl
Mon 9/2
10:06-05:55
1 stop13h 49m
£578
LondonHouston
LHR - IAH
LHRIAH
London Heathrow
Fri 30/1
09:30-18:15
1 stop14h 45m
Houston George Bush Intcntl
Sun 1/2
16:20-07:30
Nonstop9h 10m
£578
LondonHouston
LHR - IAH
LHRIAH
London Heathrow
Mon 23/2
07:40-16:30
1 stop14h 50m
Houston George Bush Intcntl
Tue 3/3
16:20-07:30
Nonstop9h 10m
£579
LondonHouston
LHR - IAH
LHRIAH
London Heathrow
Mon 23/2
07:40-16:30
1 stop14h 50m
Houston George Bush Intcntl
Sun 8/3
17:20-07:30
Nonstop9h 10m
£579
LondonHouston
LHR - IAH
LHRIAH
London Heathrow
Thu 19/2
08:30-18:15
1 stop15h 45m
Houston George Bush Intcntl
Tue 3/3
19:05-10:15
Nonstop9h 10m
£580
LondonHouston
LHR - IAH
LHRIAH
London Heathrow
Wed 25/2
09:30-18:15
1 stop14h 45m
Houston George Bush Intcntl
Sun 8/3
17:20-07:30
Nonstop9h 10m
£580
LondonHouston
LHR - IAH
LHRIAH
London Heathrow
Wed 25/2
08:30-18:15
1 stop15h 45m
Houston George Bush Intcntl
Wed 4/3
19:05-10:15
Nonstop9h 10m
£580
LondonHouston
LHR - IAH
LHRIAH
London Heathrow
Sun 22/2
06:30-18:15
1 stop17h 45m
Houston George Bush Intcntl
Fri 6/3
07:10-20:35
2 stops31h 25m
£586
LondonHouston
LHR - IAH
LHRIAH
London Heathrow
Fri 17/4
09:30-18:00
1 stop14h 30m
Houston George Bush Intcntl
Wed 29/4
16:20-07:40
Nonstop9h 20m
£590
LondonHouston
LHR - IAH
LHRIAH
London Heathrow
Wed 15/4
09:30-18:00
1 stop14h 30m
Houston George Bush Intcntl
Wed 29/4
20:05-11:35
Nonstop9h 30m
£590
Flights are sorted by cheapest return flights first.
Deals found on 8/1
Showing 1-10 of 20 results
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Best time to book a flight from Heathrow to George Bush Intcntl
Have a flexible travel schedule? Discover the best time to fly to George Bush Intcntl from Heathrow with our price prediction graph.
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 London Heathrow Airport to Houston George Bush Intcntl Airport
Prices
Airlines
Delays
More
How far ahead should I book a flight from London Heathrow Airport to Houston George Bush Intcntl Airport?
Use this chart to determine the optimal time to book a return flight from Heathrow to George Bush Intcntl. Price data was last updated on 2 January 2026.
The price you pay for your flight from London Heathrow Airport to Houston George Bush Intcntl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 57 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from London Heathrow Airport to Houston George Bush Intcntl Airport?
Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to Houston George Bush Intcntl Airport (average of £468). Flying from London Heathrow Airport to Houston George Bush Intcntl Airport in July is currently the most expensive (average of £667). 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 LHR to IAH?
Find hourly flight availability from Heathrow to George Bush Intcntl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 8 January 2026.
When flying from London Heathrow Airport to Houston George Bush Intcntl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Weekly flight availability from London Heathrow Airport to Houston George Bush Intcntl Airport
Explore weekly flight availability from Heathrow to George Bush Intcntl. 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 8 January 2026.
The most flights from LHR to IAH are scheduled on a Monday (22 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (17 on average).
How often are flights from London to Houston delayed?
About 14% of weekly flights between London and Houston have experienced delays in the past year, with the average delay time being 162 minutes.
What is the most punctual flight time for London to Houston flights?
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Thursday 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 London to Houston flights?
Over the past year, United Airlines have had the lowest number of delays on this route, with just 14% of flights being delayed.
What’s the top stopover airport for flights from London Heathrow Airport to Houston George Bush Intcntl Airport?
Share of one-stop return flights from London Heathrow Airport to Houston George Bush Intcntl Airport chosen by Cheapflights users in the past 12 months, using the same stopover each way.
Boston (BOS) – chosen by Cheapflights users on 48% of one-stop itineraries from London Heathrow Airport to Houston George Bush Intcntl Airport on Cheapflights.
What’s the cheapest stopover airport for flights from London Heathrow Airport to Houston George Bush Intcntl Airport?
Average return fare for one-stop flights from London Heathrow Airport to Houston George Bush Intcntl Airport, chosen by Cheapflights users in the past 12 months, with the same stopover each way.
Calgary (YYC) is the most affordable one-stop option, with an average return flight price of £588.
What’s the fastest stopover option from London Heathrow Airport to Houston George Bush Intcntl Airport?
Shortest average travel time for one-stop one-way flights from London Heathrow Airport to Houston George Bush Intcntl Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.
Flights via Amsterdam (AMS) have the shortest average one-way travel time for one-stop routes: 12h 50m.
Which airport typically offers the quickest stopover for flights from London Heathrow Airport to Houston George Bush Intcntl Airport?
Average stopover duration for one-stop one-way flights from London Heathrow Airport to Houston George Bush Intcntl Airport, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Paris (CDG) offer the fastest connection on this route, with an average stopover time of 1h 38m.
Reviews of airlines servicing George Bush Intcntl
Get insights into the airlines that provide service to George Bush Intcntl. 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 George Bush Intcntl. Reviews last updated 8 January 2026.
Read through reviews of airlines operating flights from London Heathrow Airport to Houston George Bush Intcntl Airport, such as Austrian Airlines, Finnair, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Again, I missed this flight because of the first leg of my journey being delayed by three hours. I hope the people on the flight had a nice flight.
Related info for your journey
Find useful and relevant information for your journey from Heathrow to George Bush Intcntl. 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 London Heathrow Airport to Houston George Bush Intcntl Airport?
For as low as £578, United Airlines can have you in Houston George Bush Intcntl Airport from London Heathrow Airport in 14h 45m. London Heathrow Airport and Houston George Bush Intcntl Airport are separated by a distance of 4820 mi. Both multi-stop and direct flights can be found to your destination and back.
What are the cheapest airlines flying from London Heathrow Airport to Houston George Bush Intcntl Airport round-trip?
According to our current data, WestJet (£189), Virgin Atlantic (£419), and KLM (£468) offers the cheapest pricing from London Heathrow Airport to Houston George Bush Intcntl Airport. Users have found that WestJet is 74% cheaper than the other options available to this destination.
What are the cheapest airlines to fly from London Heathrow Airport to Houston George Bush Intcntl Airport one-way?
The cheapest airline one-way is WestJet, with whom users have recently found tickets for as low as £255. However, be on the lookout for offers from Finnair and Lufthansa, as they are both options that can get you from London Heathrow Airport to Houston George Bush Intcntl Airport for a low price.
What are the most reliable airlines from London Heathrow Airport to Houston George Bush Intcntl Airport?
The top 3 most reliable airlines when flying from London Heathrow Airport to Houston George Bush Intcntl Airport are Air Canada (85%), Austrian Airlines (85%) and Brussels Airlines (85%).
What are the cheapest flights from London Heathrow Airport to Houston George Bush Intcntl Airport?
Looking for the cheapest flight from London Heathrow Airport to Houston George Bush Intcntl Airport? While on average our users pay £919, our data indicates the cheapest price to be £451. The most popular route (London Heathrow - Houston George Bush Intcntl), is priced around £418.
Can I find deals for flights from Heathrow to George Bush Intcntl that include hotel bookings?
Yes. In addition to deals on Heathrow to George Bush Intcntl flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Heathrow to George Bush Intcntl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to George Bush Intcntl.
Can I find deals for business class flights from Heathrow to George Bush Intcntl?
Yes. Cheapflights offers flight deals from Heathrow to George Bush Intcntl 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 London Heathrow Airport to Houston George Bush Intcntl Airport?
Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to Houston George Bush Intcntl Airport (average of £468). Flying from London Heathrow Airport to Houston George Bush Intcntl Airport in July is currently the most expensive (average of £667). 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.
Browse thousands of different options on Cheapflights for your next trip
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Fly from Heathrow to George Bush Intcntl on these airlines
Choose from the following airlines for your flight from Heathrow to George Bush Intcntl. Flights are based on user searches made on Cheapflights and were last updated on 8 January 2026.
Explore flights to George Bush Intcntl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 8 January 2026.
Top 10 airlines flying from Heathrow to George Bush Intcntl
Discover the top 10 airlines that operate flights from Heathrow to George Bush Intcntl. 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 858,174 searches. Data last updated 8 January 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 Heathrow to George Bush Intcntl?
Cheapflights helps you search for flights from Heathrow to George Bush Intcntl via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.
Why should you use Cheapflights to find cheap flight tickets from Heathrow to George Bush Intcntl?
Cheapflights helps you find that perfect flight to George Bush Intcntl from Heathrow by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!
Can Cheapflights find flights from Heathrow to George Bush Intcntl with no change fees?
Users can book flights with no change fees policies with our dedicated filters. Book flights from Heathrow to George Bush Intcntl flexibly with Cheapflights today.
Can Cheapflights notify me if prices for flights from Heathrow to George Bush Intcntl become cheaper?
Not ready to book yet? You can track prices for flights from Heathrow to George Bush Intcntl on Cheapflights with our Price Alert feature and get notified when better prices are available.
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