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$284+ Cheap flights from George Bush Intcntl (IAH) to Heathrow (LHR)

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 4/30. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — LHR
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
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The best prices from Houston George Bush Intcntl to London Heathrow are usually found in October or November, booked 62 days in advance, depart on a Wednesday or Tuesday and return on a Saturday

Cheap 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 February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$584
(Cheapflightsfares)

One-way from

$284
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$712

Good round-trip deal

$697 or less

Good one-way deal

$460 or less
Provider with most accurate pricing for Houston George Bush Intcntl-London Heathrow flight deals.
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Provider most trusted by Cheapflights users for Houston George Bush Intcntl-London Heathrow flights.
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From Houston George Bush Intcntl to London Heathrow
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One-way flight from Houston George Bush Intcntl to London Heathrow
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Highest demand for flights based on searches. 23% potential increase in price ($265 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($39 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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Price to beat on a round-trip flight from Houston George Bush Intcntl to London Heathrow.
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Price to beat on a one-way flight from Houston George Bush Intcntl to London Heathrow.
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Find flight deals from George Bush Intcntl to Heathrow

Cheapest flights from George Bush Intcntl to Heathrow
Explore the most affordable flight options available from George Bush Intcntl to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 2/20. 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.
Wed 4/29:00 pmIAH - LHR
Nonstop9h 20mIberia
Wed 4/99:25 amLHR - IAH
Nonstop10h 15mIberia
Deal found 2/20$584
This lastminute.com deal was found by Cheapflights users on 2/20. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/102:20 pmIAH - LHR
1 stop11h 45mVirgin Atlantic
Tue 3/256:20 amLHR - IAH
1 stop13h 35mVirgin Atlantic
Deal found 2/20$606
This StudentUniverse deal was found by Cheapflights users on 2/19. 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/2712:02 pmIAH - LHR
1 stop20h 23mFinnair
Wed 5/79:30 amLHR - IAH
2 stops18h 31mFinnair
Deal found 2/19$610
This Flightnetwork deal was found by Cheapflights users on 2/20. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/19:00 pmIAH - LHR
Nonstop9h 20mBritish Airways
Wed 10/226:30 amLHR - IAH
2 stops21h 01mBritish Airways
Deal found 2/20$617
This United deal was found by Cheapflights users on 2/20. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/239:30 amIAH - LHR
1 stop18h 30mUnited Airlines
Tue 4/297:25 amLHR - IAH
1 stop15h 10mUnited Airlines
Deal found 2/20$619
This Delta deal was found by Cheapflights users on 2/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/206:00 amIAH - LHR
1 stop19h 20mDelta
Fri 3/286:20 amLHR - IAH
1 stop13h 35mDelta
Deal found 2/19$627
This Gotogate deal was found by Cheapflights users on 2/20. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/67:20 amIAH - LHR
2 stops20h 40mAir Canada
Mon 4/218:30 amLHR - IAH
2 stops19h 31mAir Canada
Deal found 2/20$633
This Gotogate deal was found by Cheapflights users on 2/20. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/107:20 amIAH - LHR
2 stops18h 50mMultiple Airlines
Tue 3/257:30 pmLHR - IAH
1 stop25h 10mMultiple Airlines
Deal found 2/20$635
This KLM deal was found by Cheapflights users on 2/20. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/286:32 pmIAH - LHR
1 stop12h 58mKLM
Wed 4/306:30 amLHR - IAH
1 stop12h 55mKLM
Deal found 2/20$638
This Aeromexico deal was found by Cheapflights users on 2/20. 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 Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/215:10 pmIAH - LHR
1 stop18h 25mAir France
Fri 3/286:20 amLHR - IAH
1 stop13h 35mAir France
Deal found 2/20$691
This Scandinavian Airlines deal was found by Cheapflights users on 2/19. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/266:10 amIAH - LHR
2 stops29h 30mScandinavian Airlines
Wed 3/56:40 amLHR - IAH
2 stops23h 19mScandinavian Airlines
Deal found 2/19$720

Find flights from George Bush Intcntl to Heathrow within your budget

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 2,558,603 searches. Data last updated February 20, 2025.

Fly from

George Bush Intcntl

Fly to

Heathrow

Route

Depart

Return

Price

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Wed 4/2

9:00 pm-12:20 pm

Nonstop9h 20m

London Heathrow

Wed 4/9

9:25 am-1:40 pm

Nonstop10h 15m

$584

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Mon 3/10

2:20 pm-7:05 am

1 stop11h 45m

London Heathrow

Tue 3/25

6:20 am-2:55 pm

1 stop13h 35m

$606

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Sun 4/27

12:02 pm-2:25 pm

1 stop20h 23m

London Heathrow

Wed 5/7

9:30 am-10:01 pm

2 stops18h 31m

$610

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Wed 4/23

9:30 am-10:00 am

1 stop18h 30m

London Heathrow

Tue 4/29

7:25 am-4:35 pm

1 stop15h 10m

$619

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Tue 3/11

10:45 pm-12:45 pm

Nonstop9h 00m

London Heathrow

Mon 3/24

6:45 pm-12:18 am

2 stops34h 33m

$621

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Thu 3/20

6:00 am-6:20 am

1 stop19h 20m

London Heathrow

Fri 3/28

6:20 am-2:55 pm

1 stop13h 35m

$627

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Sun 4/6

7:20 am-10:00 am

2 stops20h 40m

London Heathrow

Mon 4/21

8:30 am-10:01 pm

2 stops19h 31m

$633

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Mon 3/10

7:20 am-7:10 am

2 stops18h 50m

London Heathrow

Tue 3/25

7:30 pm-3:40 pm

1 stop25h 10m

$635

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Mon 4/28

6:32 pm-1:30 pm

1 stop12h 58m

London Heathrow

Wed 4/30

6:30 am-1:25 pm

1 stop12h 55m

$638

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Tue 3/11

12:07 pm-11:10 am

2 stops18h 03m

London Heathrow

Mon 3/24

2:45 pm-2:55 pm

1 stop29h 10m

$694

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 28 results
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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 February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*1 star
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
GotogatePrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy1 starTrust Score*2 stars
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars
GurufarePrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy3 starsTrust Score*3 stars

*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 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.
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 Heathrow

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

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

Use this chart to determine the optimal time to book a round-trip flight from George Bush Intcntl to Heathrow. Price data was last updated on February 14, 2025.

The best time to book flights from Houston George Bush Intcntl Airport to London Heathrow Airport is 62 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, November is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to London Heathrow Airport (average of $661). Flying from Houston George Bush Intcntl Airport to London Heathrow Airport in June is currently the most expensive (average of $1,136). 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 February 20, 2025.

Unlike in the evening, when flights are generally more expensive, you can save up to 17% on flights from Houston George Bush Intcntl Airport to London Heathrow Airport by exploring options for tickets at noon.

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

Use this chart to determine the cheapest time to fly round-trip from George Bush Intcntl to Heathrow. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Houston George Bush Intcntl Airport to London Heathrow Airport flight should consider departing on Saturday at noon when fares are most often at their lowest. Sunday at noon 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 Heathrow Airport

Explore weekly flight availability from George Bush Intcntl to Heathrow. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated February 20, 2025.

The most flights from IAH to LHR are scheduled on a Thursday (22 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (13 on average).

Rainfall in Heathrow by month

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

In terms of precipitation, rainfall in London Heathrow Airport 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 Heathrow Airport when rainfall is around 1.6 in.

Temperature in Heathrow by month

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

If weather is an important factor for your trip to London Heathrow Airport, 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 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 February 20, 2025.
Peruse reviews from past customers who have flown with Delta, KLM and Finnair from Houston to London to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,219 reviews

Food

7.3

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

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

Delta
8.0
Very good
8,219 reviews
Delta
8.0
Very good
8,219 reviews

Food

7.3

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

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

KLM
7.8
Good
1,333 reviews
Delta
8.0
Very good
8,219 reviews

Food

7.3

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

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

Finnair
7.6
Good
1,274 reviews
Delta
8.0
Very good
8,219 reviews

Food

7.3

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

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

Austrian Airlines
7.6
Good
773 reviews
Delta
8.0
Very good
8,219 reviews

Food

7.3

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

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

Virgin Atlantic
7.5
Good
654 reviews
Delta
8.0
Very good
8,219 reviews

Food

7.3

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

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 Heathrow. 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 Heathrow Airport round-trip?

    Currently priced at $584, Iberia will fly you from Houston George Bush Intcntl Airport to London Heathrow Airport and back. In addition to Iberia, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Virgin Atlantic and Finnair - these airlines can fly you to your destination from $606 and $610, respectively. These flights start at 31% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Houston George Bush Intcntl Airport to London Heathrow Airport one-way?

    For one-way options, check prices for JetBlue. According to our data, you can fly for as low as $294. Users have also found prices from $312 and $368 on WestJet and Turkish Airlines, respectively.

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

    Before booking your flight to London Heathrow Airport from Houston George Bush Intcntl Airport, check out the most reliable airlines to get you to your destination on time: American Airlines (57%), Aer Lingus (57%), Finnair( 57%).

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

    On average you can expect to pay $1,318 for a flight from Houston George Bush Intcntl Airport to London Heathrow Airport. The cheapest flight overall is $348 while the most popular route, (Houston George Bush Intcntl - London Heathrow) is currently priced at $576.

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

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

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

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from George Bush Intcntl to Heathrow.

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

    Yes. Cheapflights offers flight deals from George Bush Intcntl to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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

    Currently, November is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to London Heathrow Airport (average of $661). Flying from Houston George Bush Intcntl Airport to London Heathrow Airport in June is currently the most expensive (average of $1,136). 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
Hounslow
Hayes
Thornton Heath
Harrow
Luton
Wembley
Horley
Canterbury
Northampton
Gatwick
Milton Keynes
Dover
Orpington
Watford
Stratford-upon-Avon
Croydon
Borehamwood
Bromley
Folkestone
Ilford

Browse thousands of different options on Cheapflights for your next trip

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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 2,558,603 searches. Data last updated February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air FranceCheapest$540Average$853FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$568Average$735FlexibilityNo cancel feeOn-time67%
IberiaCheapest$576Average$728FlexibilityNo cancel feeOn-time77%
Virgin AtlanticCheapest$578Average$749FlexibilityNo cancel feeOn-time72%
FinnairCheapest$581Average$736FlexibilityNo cancel feeOn-time76%
DeltaCheapest$596Average$933FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$604Average$934FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$610Average$926FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$612Average$1,099FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$619Average$971FlexibilityNo cancel feeOn-time71%
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