$329+ Cheap flights from George Bush Intcntl (IAH) to Heathrow (LHR)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/1. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — LHR
Oct 6 — Oct 131
Round-trip
1 adult, Economy
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Find cheap flights from George Bush Intcntl to Heathrow with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.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 Wednesday or Tuesday and return on a Wednesday
Cheap flight deals from George Bush Intcntl to Heathrow
Cheapest
Best
Last-minute
One-way
Cheapest flights from George Bush Intcntl to HeathrowExplore 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 September 6, 2026.
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 September 6, 2026.
This United Airlines deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/97:00 pm -
Nonstop9h 15m
Tue 11/179:30 am -
1 stop14h 45m
Deal found 9/3![United Airlines logo]()
$883
This Delta deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/76:28 pm -
1 stop11h 12m
Thu 12/248:55 am -
1 stop13h 55m
Deal found 9/6![Delta logo]()
$884
This Virgin Atlantic deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2712:03 pm -
1 stop15h 57m
Wed 11/411:45 am -
2 stops16h 24m
Deal found 9/3![Virgin Atlantic logo]()
$885
This Delta deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/512:21 pm -
2 stops14h 39m
Wed 10/216:30 am -
1 stop12h 50m
Deal found 9/3![Delta logo]()
$886
This Air Canada deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/510:00 am -
2 stops16h 35m
Wed 10/218:40 am -
2 stops17h 12m
Deal found 9/3![Air Canada logo]()
$887
This Justfly.com deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/44:57 pm -
1 stop11h 53m
Wed 10/286:15 am -
2 stops21h 36m
Deal found 9/2![Multiple Airlines logo]()
$891
This Cheapflightsfares deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/303:30 pm -
Nonstop9h 10m
Thu 11/269:35 am -
Nonstop10h 30m
Deal found 9/2![British Airways logo]()
$892
This Kiwi.com deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/12:18 pm -
2 stops17h 57m
Thu 10/292:50 pm -
1 stop37h 25m
Deal found 9/1![Multiple Airlines logo]()
$893
This United deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/52:53 pm -
1 stop13h 32m
Wed 10/216:00 am -
2 stops21h 52m
Deal found 9/6![Multiple Airlines logo]()
$894
Best flights from George Bush Intcntl to HeathrowDiscover carefully curated flight deals from George Bush Intcntl to Heathrow that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 6, 2026.
Discover carefully curated flight deals from George Bush Intcntl to Heathrow that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 6, 2026.
This JetBlue deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/2411:50 am -
1 stop15h 40m
Sun 2/287:45 am -
1 stop15h 12m
Deal found 9/5![JetBlue logo]()
$897
This United Airlines deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/14:25 pm -
Nonstop9h 20m
Thu 10/86:55 am -
1 stop15h 45m
Deal found 9/2![United Airlines logo]()
$923
This TAP AIR PORTUGAL deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/172:01 pm -
3 stops21h 29m
Tue 12/158:15 am -
2 stops32h 21m
Deal found 9/2![Multiple Airlines logo]()
$1,052
This TAP AIR PORTUGAL deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/52:53 pm -
3 stops20h 52m
Wed 10/218:00 am -
2 stops32h 37m
Deal found 9/6![TAP AIR PORTUGAL logo]()
$1,265
This Scandinavian Airlines deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1812:30 pm -
3 stops22h 30m
Mon 11/307:05 am -
3 stops20h 54m
Deal found 9/6![Scandinavian Airlines logo]()
$1,347
This United Airlines deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1510:57 am -
1 stop14h 18m
Thu 10/221:40 pm -
Nonstop10h 15m
Deal found 9/1![United Airlines logo]()
$956
This United Airlines deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/99:43 am -
1 stop21h 37m
Mon 10/127:30 am -
1 stop36h 05m
Deal found 9/1![United Airlines logo]()
$983
This United Airlines deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/217:05 pm -
Nonstop9h 10m
Sat 1/309:30 am -
1 stop14h 45m
Deal found 9/2![United Airlines logo]()
$992
This TAP AIR PORTUGAL deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/2111:50 am -
2 stops23h 40m
Sat 1/308:15 am -
3 stops30h 28m
Deal found 9/3![TAP AIR PORTUGAL logo]()
$1,273
This TAP AIR PORTUGAL deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/232:53 pm -
3 stops20h 52m
Mon 11/26:00 am -
2 stops22h 44m
Deal found 9/5![TAP AIR PORTUGAL logo]()
$1,362
This United Airlines deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/194:25 pm -
Nonstop9h 15m
Sun 11/293:00 pm -
1 stop25h 53m
Deal found 9/2![United Airlines logo]()
$1,205
This United Airlines deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/258:40 pm -
1 stop28h 00m
Fri 1/13:00 pm -
1 stop32h 08m
Deal found 9/5![United Airlines logo]()
$1,221
Last-minute flights from George Bush Intcntl to HeathrowDiscover last-minute flight deals from George Bush Intcntl to Heathrow. Data last updated September 6, 2026 and is based on user searches.
Discover last-minute flight deals from George Bush Intcntl to Heathrow. Data last updated September 6, 2026 and is based on user searches.
This oojo deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/195:24 pm -
1 stop34h 06m
Wed 5/1911:55 am -
1 stop29h 11m
Deal found 9/2![JetBlue logo]()
$884
This Cheapflightsfares deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/303:30 pm -
Nonstop9h 10m
Thu 11/269:35 am -
Nonstop10h 30m
Deal found 9/2![British Airways logo]()
$892
This Kiwi.com deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/12:18 pm -
2 stops17h 57m
Thu 10/292:50 pm -
1 stop37h 25m
Deal found 9/1![Multiple Airlines logo]()
$893
This United Airlines deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/48:15 pm -
Nonstop9h 20m
Wed 10/287:30 am -
1 stop16h 45m
Deal found 9/2![United Airlines logo]()
$883
This Justfly.com deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/44:57 pm -
1 stop11h 53m
Wed 10/286:15 am -
2 stops21h 36m
Deal found 9/2![Multiple Airlines logo]()
$891
This Delta deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/512:21 pm -
2 stops14h 39m
Wed 10/216:30 am -
1 stop12h 50m
Deal found 9/3![Delta logo]()
$886
This Air Canada deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/510:00 am -
2 stops16h 35m
Wed 10/218:40 am -
2 stops17h 12m
Deal found 9/3![Air Canada logo]()
$887
This United deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/52:53 pm -
1 stop13h 32m
Wed 10/216:00 am -
2 stops21h 52m
Deal found 9/6![Multiple Airlines logo]()
$894
This Delta deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/149:40 am -
2 stops16h 15m
Tue 10/206:15 am -
1 stop13h 25m
Deal found 9/6![Delta logo]()
$889
This Virgin Atlantic deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2712:03 pm -
1 stop15h 57m
Wed 11/411:45 am -
2 stops16h 24m
Deal found 9/3![Virgin Atlantic logo]()
$885
One-way flights from George Bush Intcntl to HeathrowSearch for one-way flight options from George Bush Intcntl to Heathrow. Find affordable one-way fares based on user searches. Data last updated September 6, 2026.
Search for one-way flight options from George Bush Intcntl to Heathrow. Find affordable one-way fares based on user searches. Data last updated September 6, 2026.
This JetBlue deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/311:50 am -
1 stop15h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![JetBlue logo]()
$329
This Kiwi.com deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/81:50 pm -
1 stop17h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![WestJet logo]()
$330
This FlightHub deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1411:27 am -
1 stop27h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![JetBlue logo]()
$332
This Priceline deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/1012:29 pm -
1 stop12h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![JetBlue logo]()
$333
This FlightHub deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/35:18 pm -
1 stop22h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![JetBlue logo]()
$339
This CheapOair deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/127:13 pm -
1 stop29h 17m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![JetBlue logo]()
$340
This Kiwi.com deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/51:04 pm -
2 stops41h 46m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Multiple Airlines logo]()
$345
This Expedia deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/103:50 pm -
Nonstop9h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Iberia logo]()
$347
This Justfly.com deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/117:13 pm -
1 stop29h 17m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/1![JetBlue logo]()
$350
This Kiwi.com deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/178:21 pm -
2 stops34h 29m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Multiple Airlines logo]()
$351
This Cheapflightsfares deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/293:50 pm -
Nonstop9h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![British Airways logo]()
$353
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 September 6, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $883 (United Airlines) |
One-way from | $329 (JetBlue) |
Popular in | June |
Cheapest in | January |
Average price | $883 |
Good round-trip deal | $940 or less |
Good one-way deal | $464 or less |
Cheapflights Fare Finder
Customize 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 September 6, 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
Cheapest round-trip
HoustonLondon
IAH Houston George Bush Intcntl - LHR London Heathrow
IAHLHR
Houston George Bush Intcntl
Mon 3/1
11:50 am-9:30 am
1 stop15h 40m
London Heathrow
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$329
HoustonLondon
IAH Houston George Bush Intcntl - LHR London Heathrow
IAHLHR
Houston George Bush Intcntl
Thu 11/5
12:08 pm-9:30 am
1 stop15h 22m
London Heathrow
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$329
HoustonLondon
IAH Houston George Bush Intcntl - LHR London Heathrow
IAHLHR
Houston George Bush Intcntl
Wed 12/2
11:30 am-9:30 am
1 stop16h 00m
London Heathrow
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$329
HoustonLondon
IAH Houston George Bush Intcntl - LHR London Heathrow
IAHLHR
Houston George Bush Intcntl
Tue 3/2
11:50 am-9:30 am
1 stop15h 40m
London Heathrow
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$329
HoustonLondon
IAH Houston George Bush Intcntl - LHR London Heathrow
IAHLHR
Houston George Bush Intcntl
Sun 10/4
11:48 am-9:30 am
1 stop15h 42m
London Heathrow
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$329
HoustonLondon
IAH Houston George Bush Intcntl - LHR London Heathrow
IAHLHR
Houston George Bush Intcntl
Tue 3/2
7:05 pm-10:15 am
Nonstop9h 10m
London Heathrow
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$358
HoustonLondon
IAH Houston George Bush Intcntl - LHR London Heathrow
IAHLHR
Houston George Bush Intcntl
Tue 12/8
7:00 pm-10:15 am
Nonstop9h 15m
London Heathrow
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$358
HoustonLondon
IAH Houston George Bush Intcntl - LHR London Heathrow
IAHLHR
Houston George Bush Intcntl
Sat 12/5
4:27 pm-8:10 pm
2 stops21h 43m
London Heathrow
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$362
HoustonLondon
IAH Houston George Bush Intcntl - LHR London Heathrow
IAHLHR
Houston George Bush Intcntl
Sun 2/28
9:35 am-6:40 am
2 stops15h 05m
London Heathrow
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$362
HoustonLondon
IAH Houston George Bush Intcntl - LHR London Heathrow
IAHLHR
Houston George Bush Intcntl
Wed 3/3
8:40 am-6:20 am
2 stops15h 40m
London Heathrow
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$362
Showing 1-10 of 24 resultsSorted by cheapest first
Compare providers for flights from George Bush Intcntl to Heathrow
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from George Bush Intcntl to Heathrow in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*1 star | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy- | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Houston George Bush Intcntl Airport-London Heathrow Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Houston George Bush Intcntl Airport-London Heathrow Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Houston George Bush Intcntl Airport-London Heathrow Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Houston George Bush Intcntl Airport-London Heathrow Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Houston George Bush Intcntl Airport-London Heathrow Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
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 round-trip 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
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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 $700). Flying from Houston George Bush Intcntl Airport to London Heathrow Airport in June is currently the most expensive (average of $1,420). 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 September 6, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Houston George Bush Intcntl Airport to London Heathrow Airport as you normally would.
How often are flights from Houston to London delayed?
About 21% of weekly flights between Houston and London have experienced delays in the past year, with the average delay time being 148 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 Friday 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 last year, British Airways have had the lowest number of delays on this route, with just 15% of flights being delayed.
What’s the top layover airport for flights from Houston George Bush Intcntl Airport to London Heathrow Airport?
Share of 1-stop round-trip flights from Houston George Bush Intcntl Airport to London Heathrow Airport chosen by Cheapflights users in the past 12 months, using the same layover each way.
Paris (CDG) – chosen by Cheapflights users on 40% of 1-stop itineraries from Houston George Bush Intcntl Airport to London Heathrow Airport on Cheapflights.
What’s the cheapest layover airport for flights from Houston George Bush Intcntl Airport to London Heathrow Airport?
Average round-trip fare for 1-stop flights from Houston George Bush Intcntl Airport to London Heathrow Airport, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Paris (CDG) is the most affordable 1-stop option, with an average round-trip price of $581.
What’s the fastest layover option from Houston George Bush Intcntl Airport to London Heathrow Airport?
Shortest average travel time for 1-stop one-way flights from Houston George Bush Intcntl Airport to London Heathrow Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Paris (CDG) have the shortest average one-way travel time for 1-stop routes: 12h 35m.
Which airport typically offers the quickest layover for flights from Houston George Bush Intcntl Airport to London Heathrow Airport?
Average layover duration for 1-stop one-way flights from Houston George Bush Intcntl Airport to London Heathrow 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 layover time of 1h 35m.
The best insider tips for Houston George Bush Intcntl Airport to London Heathrow Airport flights
AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Houston George Bush Intcntl Airport to London Heathrow Airport trip
Our travel experts
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 September 6, 2026.
Get a feel of what it's like to fly with United Airlines,Virgin Atlantic, andAmerican Airlines from Houston George Bush Intcntl Airport to London Heathrow Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
6.6
Overall
7.4
Comfort
7.3
Crew
8.1
Boarding
7.7
Entertainment
7.1
Reviews
1 / 20
2.0
MediocreSebrena,Oct 2025
IAH - RSW
Food
6.6
Overall
7.4
Comfort
7.3
Crew
8.1
Boarding
7.7
Entertainment
7.1
Reviews
1 / 20
2.0
MediocreSebrena,Oct 2025
IAH - RSW
Food
6.6
Overall
7.4
Comfort
7.3
Crew
8.1
Boarding
7.7
Entertainment
7.1
Reviews
1 / 20
2.0
MediocreSebrena,Oct 2025
IAH - RSW
Food
6.6
Overall
7.4
Comfort
7.3
Crew
8.1
Boarding
7.7
Entertainment
7.1
Reviews
1 / 20
2.0
MediocreSebrena,Oct 2025
IAH - RSW
Food
6.6
Overall
7.4
Comfort
7.3
Crew
8.1
Boarding
7.7
Entertainment
7.1
Reviews
1 / 20
2.0
MediocreSebrena,Oct 2025
IAH - RSW
Food
6.6
Overall
7.4
Comfort
7.3
Crew
8.1
Boarding
7.7
Entertainment
7.1
Reviews
1 / 20
2.0
MediocreSebrena,Oct 2025
IAH - RSW
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.
Traveling to a place near London Heathrow Airport?
Book flights to London Heathrow Airport if you plan to visit one of these locationsIlford
Dorking
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Harrow
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Basingstoke
Watford
Northampton
Dartford
Winchester
Croydon
Chipping Norton
Kingston upon Thames
Eastbourne
Slough
Stansted
Sutton
Luton
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George Bush Intcntl and Heathrow flights
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Top 10 airlines flying from George Bush Intcntl to Heathrow
Discover the top 10 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 September 6, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$356 | Average$664 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$585 | Average$935 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$607 | Average$1,112 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$615 | Average$1,000 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$641 | Average$892 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$645 | Average$998 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$648 | Average$954 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$669 | Average$784 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$697 | Average$1,099 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$736 | Average$1,489 | FlexibilityNo cancel fee | On-time78% |