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$266+ 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 3/1. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — LON
ene. 26 — feb. 21
dom. 1/26
dom. 2/2
1 adult, Economy
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The best prices from Houston George Bush Intcntl to London are usually found in October or February, booked 28 days in advance, depart on a Wednesday or Tuesday and return on a Tuesday

Cheap 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 enero 21, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$624
(Mytrip)

One-way from

$266
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$722

Good round-trip deal

$721 or less

Good one-way deal

$478 or less
Provider with most accurate pricing for Houston George Bush Intcntl-London (LON) flight deals.
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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)
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One-way flight from Houston George Bush Intcntl to London (LON)
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Highest demand for flights based on searches. 27% potential increase in price ($315 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($45 potential savings vs. average RT price).
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Average for round-trip flights in January 2025
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Price to beat on a round-trip flight from Houston George Bush Intcntl to London (LON).
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Price to beat on a one-way flight from Houston George Bush Intcntl to London (LON).
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Find 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 enero 21, 2025.

This Virgin Atlantic deal was found by Cheapflights users on 1/20. 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.
mié. 2/1911:15 amIAH - LHR
2 stops13h 35mVirgin Atlantic
mié. 2/268:25 pmLHR - IAH
1 stop23h 10mVirgin Atlantic
Deal found 1/20$629
This oojo deal was found by Cheapflights users on 1/20. 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.
lun. 4/211:25 pmIAH - LHR
1 stop13h 45mBritish Airways
lun. 5/58:00 pmLHR - IAH
2 stops29h 22mBritish Airways
Deal found 1/20$630
This Kiwi.com deal was found by Cheapflights users on 1/20. 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.
lun. 4/76:00 amIAH - LGW
1 stop19h 00mMultiple Airlines
lun. 4/1410:00 amLGW - IAH
1 stop33h 18mMultiple Airlines
Deal found 1/20$630
This Kiwi.com deal was found by Cheapflights users on 1/20. 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.
mié. 2/1911:36 amIAH - LHR
1 stop13h 14mMultiple Airlines
mié. 3/53:15 pmLHR - IAH
2 stops58h 32mMultiple Airlines
Deal found 1/20$633
This Delta deal was found by Cheapflights users on 1/21. 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.
mar. 2/1811:15 amIAH - LHR
1 stop13h 05mDelta
mié. 3/128:40 amLHR - IAH
2 stops20h 19mDelta
Deal found 1/21$635
This Cheapflightsfares deal was found by Cheapflights users on 1/20. 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.
vie. 2/2112:24 pmIAH - LHR
1 stop12h 56mIberia
vie. 2/289:30 amLHR - IAH
Nonstop10h 40mIberia
Deal found 1/20$636
This Finnair deal was found by Cheapflights users on 1/21. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 2/29:45 pmIAH - LHR
Nonstop9h 00mFinnair
mar. 2/1811:45 amLHR - IAH
1 stop16h 21mFinnair
Deal found 1/21$638
This Mytrip deal was found by Cheapflights users on 1/19. 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.
dom. 1/267:20 amIAH - STN
3 stops26h 05mMultiple Airlines
mar. 2/118:35 pmSTN - IAH
2 stops24h 05mMultiple Airlines
Deal found 1/19$644
This United Airlines deal was found by Cheapflights users on 1/20. 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.
mié. 2/194:25 pmIAH - LHR
Nonstop9h 05mUnited Airlines
vie. 3/77:40 amLHR - IAH
1 stop15h 00mUnited Airlines
Deal found 1/20$649
This Mytrip deal was found by Cheapflights users on 1/21. 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.
jue. 4/247:00 amIAH - LTN
2 stops23h 55mMultiple Airlines
mié. 5/710:00 amLTN - IAH
2 stops18h 42mMultiple Airlines
Deal found 1/21$653
This Air Canada deal was found by Cheapflights users on 1/20. 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.
sáb. 2/224:30 pmIAH - LHR
1 stop35h 40mAir Canada
jue. 3/61:00 pmLHR - IAH
1 stop36h 02mAir Canada
Deal found 1/20$663
This oojo deal was found by Cheapflights users on 1/21. 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.
mar. 3/114:25 pmIAH - LCY
1 stop12h 05mVirgin Atlantic
mar. 4/88:10 pmLCY - IAH
1 stop23h 15mVirgin Atlantic
Deal found 1/21$669

Find flights from George Bush Intcntl to London within your budget

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 enero 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

HoustonLondon

IAH - LGW

IAHLGW

Houston George Bush Intcntl

mié. 3/12

8:45 am-7:50 pm

2 stops30h 05m

London Gatwick

lun. 3/17

8:30 pm-10:18 pm

2 stops30h 48m

$624

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

mié. 2/19

11:15 am-6:50 am

2 stops13h 35m

London Heathrow

mié. 2/26

8:25 pm-1:35 pm

1 stop23h 10m

$629

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

lun. 4/21

1:25 pm-9:10 am

1 stop13h 45m

London Heathrow

lun. 5/5

8:00 pm-7:22 pm

2 stops29h 22m

$630

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

mié. 3/12

2:40 pm-6:20 am

1 stop10h 40m

London Heathrow

jue. 4/10

6:15 am-1:35 pm

1 stop13h 20m

$631

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

dom. 4/20

4:57 pm-12:10 pm

1 stop13h 13m

London Heathrow

sáb. 5/3

2:50 pm-7:15 pm

Nonstop10h 25m

$632

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

mié. 2/19

11:36 am-6:50 am

1 stop13h 14m

London Heathrow

mié. 3/5

3:15 pm-7:47 pm

2 stops58h 32m

$633

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

dom. 2/2

9:45 pm-12:45 pm

Nonstop9h 00m

London Heathrow

mar. 2/18

11:45 am-10:06 pm

1 stop16h 21m

$638

HoustonLondon

IAH - LGW

IAHLGW

Houston George Bush Intcntl

mié. 2/19

11:15 am-9:00 am

2 stops15h 45m

London Gatwick

mié. 2/26

12:30 pm-9:30 am

2 stops27h 00m

$643

HoustonLondon

IAH - STN

IAHSTN

Houston George Bush Intcntl

lun. 3/3

12:05 pm-12:30 am

3 stops30h 25m

London Stansted

mar. 3/11

6:15 am-10:28 pm

2 stops21h 13m

$646

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

dom. 2/2

7:20 am-7:10 am

2 stops17h 50m

London Heathrow

mar. 2/18

3:00 pm-11:12 am

2 stops26h 12m

$647

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

Showing 1-10 of 54 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 January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
oojoPrice Accuracy3 starsTrust Score*2 stars
Thrive TravelPrice Accuracy3 starsTrust 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.

Travel insights for flights from George Bush Intcntl to London

Get recent, data-driven insights about flights from George Bush Intcntl to London including ideal travel times, pricing trends, and more.

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 January 17, 2025.

Booking 28 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, November is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to London (average of $661). Flying from Houston George Bush Intcntl Airport to London in June is currently the most expensive (average of $1,137). 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 enero 21, 2025.

When flying from Houston George Bush Intcntl Airport to London, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 12% versus a flight in the evening.

What is the cheapest day to fly from Houston George Bush Intcntl Airport to London?

Use this chart to determine the cheapest time to fly round-trip from George Bush Intcntl to London. Price data was last updated on June 23, 2024.

Travelers seeking maximum savings on their Houston George Bush Intcntl Airport to London flight should consider departing on Saturday at noon when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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 enero 21, 2025.

The most flights from IAH to LON are scheduled on a Monday (22 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (8 on average).

Rainfall in London by month

Plan your trip to London by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London when rainfall is around 1.6 in.

Temperature in London by month

Plan your trip to London by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

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 enero 21, 2025.
To help decide which airline to fly from Houston to London, see what other customers have to say about British Airways, Delta and Air France. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,521 reviews

Food

7.3

Comfort

8.0

Crew

8.6

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta
8.0
Very good
8,521 reviews
Delta
8.0
Very good
8,521 reviews

Food

7.3

Comfort

8.0

Crew

8.6

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM
7.8
Good
1,341 reviews
Delta
8.0
Very good
8,521 reviews

Food

7.3

Comfort

8.0

Crew

8.6

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Finnair
7.6
Good
1,286 reviews
Delta
8.0
Very good
8,521 reviews

Food

7.3

Comfort

8.0

Crew

8.6

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

SWISS
7.5
Good
1,600 reviews
Delta
8.0
Very good
8,521 reviews

Food

7.3

Comfort

8.0

Crew

8.6

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Virgin Atlantic
7.5
Good
665 reviews
Delta
8.0
Very good
8,521 reviews

Food

7.3

Comfort

8.0

Crew

8.6

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

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

    British Airways, at $627, was found to be the cheapest airline from Houston George Bush Intcntl Airport to London.Alternate airlines to your destination round-trip include Delta and Virgin Atlantic. These flights start at 26% 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 $301. Users have also found prices from $365 and $367 on JetBlue and Turkish Airlines, 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 City as they are the most popular.

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

    Consider American Airlines (49%), Aer Lingus (49%) or Finnair (49%) 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 $386. While the most popular route (Houston George Bush Intcntl - London Heathrow) can be booked for $577 on average our data indicates $1,737 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, November is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to London (average of $661). Flying from Houston George Bush Intcntl Airport to London in June is currently the most expensive (average of $1,137). 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 Houston George Bush Intcntl Airport?

Book flights to Houston George Bush Intcntl Airport if you plan to visit one of these locations
Hayes
Hounslow
Thornton Heath
Harrow
Luton
Wembley
Canterbury
Gatwick
Horley
Milton Keynes
Dover
Watford
Orpington
Croydon
Borehamwood
Bromley
Folkestone
Ilford
Aylesbury
Chelmsford

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Alternative routes for George Bush Intcntl to London

See prices for flight routes from nearby airports that may be better suited for you.
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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 enero 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air FranceCheapest$547Average$955FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$568Average$735FlexibilityNo cancel feeOn-time67%
JetBlueCheapest$569Average$873FlexibilityNo cancel feeOn-time62%
FinnairCheapest$573Average$736FlexibilityNo cancel feeOn-time76%
Virgin AtlanticCheapest$576Average$699FlexibilityNo cancel feeOn-time72%
IberiaCheapest$576Average$735FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$580Average$800FlexibilityNo cancel feeOn-time71%
DeltaCheapest$596Average$923FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$598Average$940FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$608Average$946FlexibilityNo cancel feeOn-time69%
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