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$184+ Cheap flights from George Bush Intcntl (IAH) to London (LON)

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 3/24. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — LON
Mar 17 — Mar 241
Tue 3/17
Tue 3/24
1 adult, Economy
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Cheapflights Tip: The best prices from Houston George Bush Intcntl to London are usually found in September or October, booked 34 days in advance, depart on a Wednesday or Sunday and return on a Sunday

Cheap flight deals from George Bush Intcntl to London

Cheapest flights from George Bush Intcntl to London
Explore the most affordable flight options available from George Bush Intcntl to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 15, 2026.

This Gotogate deal was found by Cheapflights users on 2/11. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1112:10 pm
IAH
-
LHR
2 stops16h 55m
Multiple Airlines
Wed 3/186:50 am
LHR
-
IAH
2 stops19h 49m
Multiple Airlines
Deal found 2/11$627
This Delta deal was found by Cheapflights users on 2/11. 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.
Sun 3/13:08 pm
IAH
-
LHR
1 stop11h 37m
Delta
Tue 3/1710:00 am
LHR
-
IAH
1 stop33h 30m
Delta
Deal found 2/11$628
This Mytrip deal was found by Cheapflights users on 2/12. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/2512:10 pm
IAH
-
STN
2 stops22h 55m
Multiple Airlines
Tue 3/315:20 pm
STN
-
IAH
3 stops33h 06m
Multiple Airlines
Deal found 2/12$628
This Kiwi.com deal was found by Cheapflights users on 2/14. 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.
Wed 3/254:11 pm
IAH
-
LGW
1 stop12h 49m
Multiple Airlines
Fri 4/102:00 pm
LGW
-
IAH
1 stop23h 02m
Multiple Airlines
Deal found 2/14$628
This Air Canada deal was found by Cheapflights users on 2/12. 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.
Sun 3/15:25 pm
IAH
-
LHR
1 stop36h 25m
Air Canada
Wed 3/186:50 am
LHR
-
IAH
2 stops19h 49m
Air Canada
Deal found 2/12$629
This Norse deal was found by Cheapflights users on 2/11. 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 Norse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/111:15 am
IAH
-
LGW
1 stop16h 45m
Multiple Airlines
Wed 4/82:00 pm
LGW
-
IAH
1 stop14h 34m
Multiple Airlines
Deal found 2/11$629
This KAYAK deal was found by Cheapflights users on 2/11. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/13:08 pm
IAH
-
LHR
1 stop11h 37m
Scandinavian Airlines
Tue 3/106:30 am
LHR
-
IAH
1 stop13h 00m
Scandinavian Airlines
Deal found 2/11$630
This Delta deal was found by Cheapflights users on 2/13. 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 3/412:49 pm
IAH
-
LHR
1 stop13h 16m
Delta
Tue 3/106:30 am
LHR
-
IAH
1 stop13h 00m
Delta
Deal found 2/13$631
This FlightHub deal was found by Cheapflights users on 2/13. 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 3/412:10 pm
IAH
-
LHR
1 stop13h 00m
Air Canada
Wed 3/116:50 am
LHR
-
IAH
2 stops19h 49m
Air Canada
Deal found 2/13$632
This United Airlines deal was found by Cheapflights users on 2/11. 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 3/15:25 pm
IAH
-
LHR
1 stop36h 25m
United Airlines
Tue 3/106:35 am
LHR
-
IAH
2 stops33h 34m
United Airlines
Deal found 2/11$633
This Kiwi.com deal was found by Cheapflights users on 2/14. 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.
Wed 3/254:11 pm
IAH
-
LGW
1 stop12h 49m
Multiple Airlines
Mon 4/62:00 pm
LGW
-
IAH
1 stop27h 46m
Multiple Airlines
Deal found 2/14$633
This Mytrip deal was found by Cheapflights users on 2/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/1712:10 pm
IAH
-
LGW
2 stops28h 40m
Multiple Airlines
Tue 3/244:15 pm
LGW
-
IAH
3 stops34h 24m
Multiple Airlines
Deal found 2/11$634

Find flight deals from George Bush Intcntl to London

Discover tips and strategies to find the most affordable flight options for your journey from George Bush Intcntl (IAH) to London (LON). 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 February 15, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$627
(Gotogate)

One-way from

$184
(CheapTickets)

Popular in

June

Cheapest in

September

Average price

$752

Good round-trip deal

$669 or less

Good one-way deal

$363 or less
Provider with most accurate pricing for Houston George Bush Intcntl-London (LON) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Houston George Bush Intcntl-London (LON) flights.
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From Houston George Bush Intcntl to London (LON)
Search Deals
One-way flight from Houston George Bush Intcntl to London (LON)
Search Deals
Highest demand for flights based on searches. 23% potential increase in price ($239 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($36 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals
Price to beat on a round-trip flight from Houston George Bush Intcntl to London (LON).
Search Deals
Price to beat on a one-way flight from Houston George Bush Intcntl to London (LON).
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from George Bush Intcntl to London 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 2,558,603 searches. Data last updated February 15, 2026.
Use the filters below to find and compare flights from Houston George Bush Intcntl Airport to London that are best for you.

Fly from

George Bush Intcntl

Fly to

London

Route

Depart

Return

Price

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Mon 3/2

12:49 pm-6:55 am

1 stop12h 06m

London Heathrow

Thu 3/19

6:30 am-2:30 pm

1 stop13h 00m

$631

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Sun 5/10

4:20 pm-7:40 am

Nonstop9h 20m

London Heathrow

Wed 5/20

6:55 am-4:35 pm

1 stop15h 40m

$641

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Wed 4/29

11:50 am-6:30 am

1 stop12h 40m

London Heathrow

Tue 5/5

6:55 am-4:35 pm

1 stop15h 40m

$645

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Wed 4/22

12:38 pm-7:15 am

1 stop12h 37m

London Heathrow

Wed 5/6

8:55 pm-1:15 pm

1 stop22h 20m

$646

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Tue 3/31

6:53 pm-1:15 pm

1 stop12h 22m

London Heathrow

Tue 4/7

6:30 am-1:15 pm

1 stop12h 45m

$646

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Wed 4/15

6:00 pm-1:05 pm

1 stop13h 05m

London Heathrow

Wed 5/6

6:30 am-1:15 pm

1 stop12h 45m

$646

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Sun 3/29

6:09 pm-1:05 pm

1 stop12h 56m

London Heathrow

Tue 4/7

8:55 pm-1:15 pm

1 stop22h 20m

$646

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Wed 5/13

12:40 pm-7:15 am

1 stop12h 35m

London Heathrow

Wed 5/20

6:30 am-1:15 pm

1 stop12h 45m

$646

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Mon 4/13

12:38 pm-10:20 am

1 stop15h 42m

London Heathrow

Mon 4/20

7:15 pm-1:15 pm

1 stop24h 00m

$647

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Mon 8/10

3:55 pm-10:30 am

1 stop12h 35m

London Heathrow

Fri 8/28

6:30 am-1:15 pm

1 stop12h 45m

$647

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/11

Showing 1-10 of 60 results
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Compare providers for flights from George Bush Intcntl to London

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 London in February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars
CheapOairPrice Accuracy3 starsTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy1 starTrust Score*2 stars
JustAirTicketPrice Accuracy-Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Houston George Bush Intcntl Airport-London 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 flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Houston George Bush Intcntl Airport-London 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 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 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 London

Have a flexible travel schedule? Discover the best time to fly to London from George Bush Intcntl with our price prediction graph.
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

How far ahead should I book a flight from Houston George Bush Intcntl Airport to London?

Use this chart to determine the optimal time to book a round-trip flight from George Bush Intcntl to London. Price data was last updated on February 13, 2026.

Booking 34 days in advance of your planned departure date is, on average, the best time to get cheap flights from Houston George Bush Intcntl Airport to London. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Houston George Bush Intcntl Airport to London?

Currently, October is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to London (average of $508). Flying from Houston George Bush Intcntl Airport to London in June is currently the most expensive (average of $915). 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 LON?

Find hourly flight availability from George Bush Intcntl to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 15, 2026.

When flying from Houston George Bush Intcntl Airport to London, 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 Houston George Bush Intcntl Airport to London

Explore weekly flight availability from George Bush Intcntl to London. 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 February 15, 2026.

The most flights from IAH to LON are scheduled on a Thursday (22 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (17 on average).

How much does it cost to fly round-trip from Houston George Bush Intcntl Airport to London?

What’s the top layover airport for flights from Houston George Bush Intcntl Airport to London?

Share of 1-stop round-trip flights from Houston George Bush Intcntl Airport to London chosen by Cheapflights users in the past 12 months, using the same layover each way.

Boston (BOS) – chosen by Cheapflights users on 50% of 1-stop itineraries from Houston George Bush Intcntl Airport to London on Cheapflights.

What’s the cheapest layover airport for flights from Houston George Bush Intcntl Airport to London?

Average round-trip fare for 1-stop flights from Houston George Bush Intcntl Airport to London, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Boston (BOS) is the most affordable 1-stop option, with an average round-trip price of $872.

What’s the fastest layover option from Houston George Bush Intcntl Airport to London?

Shortest average travel time for 1-stop one-way flights from Houston George Bush Intcntl Airport to London, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Boston (BOS) have the shortest average one-way travel time for 1-stop routes: 12h 38m.

Which airport typically offers the quickest layover for flights from Houston George Bush Intcntl Airport to London?

Average layover duration for 1-stop one-way flights from Houston George Bush Intcntl Airport to London, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Toronto (YYZ) offer the fastest connection on this route, with an average layover time of 8h 58m.

How often are flights from Houston to London delayed?

About 23% of weekly flights between Houston and London have experienced delays in the past year, with the average delay time being 140 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?

Tuesday 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 16% of flights being delayed.

The best insider tips for Houston George Bush Intcntl Airport to London 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 trip
Our travel experts
Evie Carrick

Evie Carrick

Expert on IAH

Evie Carrick is a writer and editor who has lived in five countries and traveled to over 50, with extensive experience flying around the world. She was born in Colorado, but has spent time flying to both coasts to visit family. She writes regularly for Travel + Leisure, BuzzFeed, and SKI and recently published seven travel journals with Simon & Schuster.

Read more
Ramsey Qubein

Ramsey Qubein

Expert on LHR

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. 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 London. Reviews last updated February 15, 2026.
Read reviews from past customers who have flown Finnair, United Airlines, and American Airlines from Houston George Bush Intcntl Airport to London. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Finnair
7.6
Good
1,362 reviews

Boarding

7.7

Comfort

7.4

Overall

7.6

Food

6.7

Entertainment

6.9

Crew

8.2

Reviews

1 / 20
4.0
Okay

Anonymous,Sep 2025

WAW - HEL

My flight to Europe was cancelled and rebooked. Bags got lost by FinnAir. Flight back home from Europe was cancelled the very next day after we landed. Zero compensation for these back to back cancellations on the exact same trip. Kayak doesn’t help with flight cancellation before trips says to contact trip protection only for trip protection to say it’s up to kayak. Don’t fly FinnAir.
Finnair
7.6
Good
1,362 reviews
Finnair
7.6
Good
1,362 reviews

Boarding

7.7

Comfort

7.4

Overall

7.6

Food

6.7

Entertainment

6.9

Crew

8.2

Reviews

1 / 20
4.0
Okay

Anonymous,Sep 2025

WAW - HEL

My flight to Europe was cancelled and rebooked. Bags got lost by FinnAir. Flight back home from Europe was cancelled the very next day after we landed. Zero compensation for these back to back cancellations on the exact same trip. Kayak doesn’t help with flight cancellation before trips says to contact trip protection only for trip protection to say it’s up to kayak. Don’t fly FinnAir.
United Airlines
7.4
Good
9,295 reviews
Finnair
7.6
Good
1,362 reviews

Boarding

7.7

Comfort

7.4

Overall

7.6

Food

6.7

Entertainment

6.9

Crew

8.2

Reviews

1 / 20
4.0
Okay

Anonymous,Sep 2025

WAW - HEL

My flight to Europe was cancelled and rebooked. Bags got lost by FinnAir. Flight back home from Europe was cancelled the very next day after we landed. Zero compensation for these back to back cancellations on the exact same trip. Kayak doesn’t help with flight cancellation before trips says to contact trip protection only for trip protection to say it’s up to kayak. Don’t fly FinnAir.
American Airlines
7.2
Good
11,296 reviews
Finnair
7.6
Good
1,362 reviews

Boarding

7.7

Comfort

7.4

Overall

7.6

Food

6.7

Entertainment

6.9

Crew

8.2

Reviews

1 / 20
4.0
Okay

Anonymous,Sep 2025

WAW - HEL

My flight to Europe was cancelled and rebooked. Bags got lost by FinnAir. Flight back home from Europe was cancelled the very next day after we landed. Zero compensation for these back to back cancellations on the exact same trip. Kayak doesn’t help with flight cancellation before trips says to contact trip protection only for trip protection to say it’s up to kayak. Don’t fly FinnAir.
Iberia
7.0
Good
3,116 reviews
Finnair
7.6
Good
1,362 reviews

Boarding

7.7

Comfort

7.4

Overall

7.6

Food

6.7

Entertainment

6.9

Crew

8.2

Reviews

1 / 20
4.0
Okay

Anonymous,Sep 2025

WAW - HEL

My flight to Europe was cancelled and rebooked. Bags got lost by FinnAir. Flight back home from Europe was cancelled the very next day after we landed. Zero compensation for these back to back cancellations on the exact same trip. Kayak doesn’t help with flight cancellation before trips says to contact trip protection only for trip protection to say it’s up to kayak. Don’t fly FinnAir.
British Airways
6.7
Okay
7,741 reviews
Finnair
7.6
Good
1,362 reviews

Boarding

7.7

Comfort

7.4

Overall

7.6

Food

6.7

Entertainment

6.9

Crew

8.2

Reviews

1 / 20
4.0
Okay

Anonymous,Sep 2025

WAW - HEL

My flight to Europe was cancelled and rebooked. Bags got lost by FinnAir. Flight back home from Europe was cancelled the very next day after we landed. Zero compensation for these back to back cancellations on the exact same trip. Kayak doesn’t help with flight cancellation before trips says to contact trip protection only for trip protection to say it’s up to kayak. Don’t fly FinnAir.

Related info for your journey

Find useful and relevant information for your journey from George Bush Intcntl to London. 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?

    Departing from Houston George Bush Intcntl Airport to London will take you 9h 20m. Houston George Bush Intcntl Airport and London are separated by a distance of 4820 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Houston George Bush Intcntl Airport to London round-trip?

    JetBlue, at $101, was found to be the cheapest airline from Houston George Bush Intcntl Airport to London.Alternate airlines to your destination round-trip include Air Canada and British Airways. These flights start at 87% 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 one-way?

    For one-way options, check prices for Lufthansa. According to our data, you can fly for as low as $296. Users have also found prices from $393 and $396 on United Airlines and British Airways, respectively.

  • What are the most popular routes from Houston George Bush Intcntl Airport to London?

    When deciding which route to take from Houston George Bush Intcntl Airport to London consider Houston George Bush Intcntl - London Heathrow, Houston George Bush Intcntl - London Gatwick or Houston George Bush Intcntl - London Stansted as they are the most popular.

  • What are the most reliable airlines from Houston George Bush Intcntl Airport to London?

    Consider American Airlines (65%), Aer Lingus (65%) or Finnair (65%) when booking your flight. These represent the most reliable airlines when flying from Houston George Bush Intcntl Airport to London.

  • What are the cheapest flights from Houston George Bush Intcntl Airport to London?

    Looking at all options, your cheapest flight can be booked for $218. While the most popular route (Houston George Bush Intcntl - London Heathrow) can be booked for $566 on average, our data indicates $2,290 when flying from Houston George Bush Intcntl Airport to London.

  • Can I find deals for flights from George Bush Intcntl to London that include hotel bookings?

    Yes. In addition to deals on George Bush Intcntl to London flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from George Bush Intcntl to London?

    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 London.

  • Can I find deals for business class flights from George Bush Intcntl to London?

    Yes. Cheapflights offers flight deals from George Bush Intcntl to London 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?

    Currently, October is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to London (average of $508). Flying from Houston George Bush Intcntl Airport to London in June is currently the most expensive (average of $915). 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.

See more FAQs

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
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Top 10 airlines flying from George Bush Intcntl to London

Discover the top 10 airlines that operate flights from George Bush Intcntl to London. 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 2,558,603 searches. Data last updated February 15, 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$101Average$783FlexibilityNo cancel feeOn-time62%
Air CanadaCheapest$521Average$892FlexibilityNo cancel feeOn-time67%
British AirwaysCheapest$550Average$864FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$551Average$722FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$555Average$898FlexibilityNo cancel feeOn-time69%
IberiaCheapest$581Average$793FlexibilityNo cancel feeOn-time77%
Virgin AtlanticCheapest$587Average$746FlexibilityNo cancel feeOn-time72%
DeltaCheapest$607Average$1,091FlexibilityNo cancel feeOn-timeN/A
FinnairCheapest$613Average$744FlexibilityNo cancel feeOn-time76%
LufthansaCheapest$697Average$924FlexibilityNo cancel feeOn-time76%

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