HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Heathrow

$282+ 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 2/15. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — LHR
Jan 28 — Feb 41
Tue 1/28
Tue 2/4
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

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.

The best prices from Houston George Bush Intcntl to London Heathrow are usually found in October or September, booked 69 days in advance, depart on a Wednesday or Tuesday and return on a Monday

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 January 23, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$613
(Cheapflightsfares)

One-way from

$282
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$784

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 Heathrow flight deals.
Search Deals
Provider most trusted by Cheapflights users for Houston George Bush Intcntl-London Heathrow flights.
Search Deals
From Houston George Bush Intcntl to London Heathrow
Search Deals
One-way flight from Houston George Bush Intcntl to London Heathrow
Search Deals
Highest demand for flights based on searches. 24% potential increase in price ($277 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($40 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2025
Search Deals
Price to beat on a round-trip flight from Houston George Bush Intcntl to London Heathrow.
Search Deals
Price to beat on a one-way flight from Houston George Bush Intcntl to London Heathrow.
Search Deals

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 January 23, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 1/22. 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.
Sun 4/203:30 pmIAH - LHR
Nonstop9h 10mIberia
Wed 5/289:25 amLHR - IAH
Nonstop10h 15mIberia
Deal found 1/22$613
This Gotogate deal was found by Cheapflights users on 1/22. 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 2/51:35 pmIAH - LHR
1 stop17h 15mWestJet
Sun 2/92:50 pmLHR - IAH
1 stop27h 56mWestJet
Deal found 1/22$617
This StudentUniverse deal was found by Cheapflights users on 1/22. 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.
Wed 2/123:55 pmIAH - LHR
Nonstop9h 00mFinnair
Wed 3/59:30 amLHR - IAH
Nonstop10h 40mFinnair
Deal found 1/22$623
This Air France deal was found by Cheapflights users on 1/22. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/1111:15 amIAH - LHR
1 stop14h 40mAir France
Thu 2/276:20 amLHR - IAH
1 stop13h 35mAir France
Deal found 1/22$627
This Delta deal was found by Cheapflights users on 1/22. 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.
Tue 3/182:40 pmIAH - LHR
1 stop10h 40mDelta
Thu 3/276:20 amLHR - IAH
1 stop13h 35mDelta
Deal found 1/22$629
This Virgin Atlantic deal was found by Cheapflights users on 1/22. 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 3/1112:07 pmIAH - LHR
2 stops13h 18mVirgin Atlantic
Tue 3/258:25 pmLHR - IAH
1 stop23h 10mVirgin Atlantic
Deal found 1/22$630
This Gotogate deal was found by Cheapflights users on 1/22. 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.
Tue 3/118:45 amIAH - LHR
1 stop17h 25mAir Canada
Tue 4/82:05 pmLHR - IAH
2 stops26h 59mAir Canada
Deal found 1/22$631
This United Airlines deal was found by Cheapflights users on 1/22. 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.
Wed 3/54:25 pmIAH - LHR
Nonstop9h 05mUnited Airlines
Thu 3/139:20 amLHR - IAH
Nonstop10h 35mUnited Airlines
Deal found 1/22$633
This oojo deal was found by Cheapflights users on 1/23. 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.
Thu 1/306:00 pmIAH - LHR
2 stops36h 05mBritish Airways
Sun 2/211:45 amLHR - IAH
1 stop16h 16mBritish Airways
Deal found 1/23$640
This Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/149:30 amIAH - LHR
1 stop15h 40mMultiple Airlines
Sat 2/226:00 amLHR - IAH
2 stops21h 14mMultiple Airlines
Deal found 1/21$701
This Lufthansa deal was found by Cheapflights users on 1/22. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/133:35 pmIAH - LHR
1 stop18h 05mLufthansa
Mon 4/217:30 pmLHR - IAH
1 stop24h 05mLufthansa
Deal found 1/22$719
This Scandinavian Airlines deal was found by Cheapflights users on 1/22. 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.
Tue 3/114:00 pmIAH - LHR
3 stops24h 35mScandinavian Airlines
Tue 3/256:40 amLHR - IAH
3 stops21h 43mScandinavian Airlines
Deal found 1/22$765

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 January 23, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Sun 4/20

3:30 pm-6:40 am

Nonstop9h 10m

London Heathrow

Wed 5/28

9:25 am-1:40 pm

Nonstop10h 15m

$613

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Wed 2/5

1:35 pm-12:50 pm

1 stop17h 15m

London Heathrow

Sun 2/9

2:50 pm-12:46 pm

1 stop27h 56m

$617

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Wed 2/12

3:55 pm-6:55 am

Nonstop9h 00m

London Heathrow

Wed 3/5

9:30 am-2:10 pm

Nonstop10h 40m

$623

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Tue 2/11

11:15 am-7:55 am

1 stop14h 40m

London Heathrow

Thu 2/27

6:20 am-1:55 pm

1 stop13h 35m

$627

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Tue 3/18

2:40 pm-6:20 am

1 stop10h 40m

London Heathrow

Tue 3/25

6:20 am-2:55 pm

1 stop13h 35m

$629

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Tue 3/11

12:07 pm-6:25 am

2 stops13h 18m

London Heathrow

Tue 3/25

8:25 pm-2:35 pm

1 stop23h 10m

$630

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Tue 3/11

8:45 am-7:10 am

1 stop17h 25m

London Heathrow

Tue 4/8

2:05 pm-11:04 am

2 stops26h 59m

$631

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Wed 3/5

4:25 pm-7:30 am

Nonstop9h 05m

London Heathrow

Thu 3/13

9:20 am-2:55 pm

Nonstop10h 35m

$633

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Wed 3/12

6:19 pm-12:20 pm

1 stop13h 01m

London Heathrow

Mon 3/31

6:15 pm-9:38 pm

2 stops33h 23m

$641

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Tue 2/11

8:37 am-8:30 am

2 stops17h 53m

London Heathrow

Wed 2/19

11:10 am-8:08 am

3 stops26h 58m

$649

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/22

Showing 1-10 of 27 results
1
2
3

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 January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
GotogatePrice Accuracy2 starsTrust Score*2 stars
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars
GurufarePrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*1 star
MytripPrice 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 January 17, 2025.

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, 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 $1,137). 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 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 January 23, 2025.

Unlike in the evening, when flights are generally more expensive, you can save up to 19% 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 January 23, 2025.

The most flights from IAH to LHR 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 (14 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 January 23, 2025.
Peruse reviews from past customers who have flown with Iberia, WestJet 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
8,512 reviews

Food

7.3

Crew

8.6

Entertainment

7.9

Boarding

8.2

Comfort

8.0

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
8,512 reviews
Delta
8.0
Very good
8,512 reviews

Food

7.3

Crew

8.6

Entertainment

7.9

Boarding

8.2

Comfort

8.0

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
8,512 reviews

Food

7.3

Crew

8.6

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Overall

8.0

Reviews

1 / 10

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

Austrian Airlines
7.5
Good
787 reviews
Delta
8.0
Very good
8,512 reviews

Food

7.3

Crew

8.6

Entertainment

7.9

Boarding

8.2

Comfort

8.0

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
663 reviews
Delta
8.0
Very good
8,512 reviews

Food

7.3

Crew

8.6

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Overall

8.0

Reviews

1 / 10

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

Air France
7.4
Good
1,489 reviews
Delta
8.0
Very good
8,512 reviews

Food

7.3

Crew

8.6

Entertainment

7.9

Boarding

8.2

Comfort

8.0

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 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 $613, 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 WestJet and Finnair - these airlines can fly you to your destination from $617 and $623, respectively. These flights start at 29% 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 WestJet. According to our data, you can fly for as low as $295. Users have also found prices from $324 and $366 on JetBlue and Aer Lingus, 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 (49%), Aer Lingus (49%), Finnair( 49%).

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

    On average you can expect to pay $1,737 for a flight from Houston George Bush Intcntl Airport to London Heathrow Airport. The cheapest flight overall is $386 while the most popular route, (Houston George Bush Intcntl - London Heathrow) is currently priced at $608.

  • 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 $1,137). 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
Northampton
Gatwick
Horley
Milton Keynes
Dover
Orpington
Watford
Stratford-upon-Avon
Croydon
Borehamwood
Bromley
Folkestone
Ilford

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 January 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air FranceCheapest$540Average$889FlexibilityNo cancel feeOn-time77%
JetBlueCheapest$542Average$961FlexibilityNo cancel feeOn-time62%
Air CanadaCheapest$568Average$735FlexibilityNo cancel feeOn-time67%
FinnairCheapest$573Average$736FlexibilityNo cancel feeOn-time76%
IberiaCheapest$577Average$734FlexibilityNo cancel feeOn-time77%
Virgin AtlanticCheapest$578Average$752FlexibilityNo cancel feeOn-time72%
DeltaCheapest$596Average$933FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$598Average$934FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$608Average$941FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$618Average$1,121FlexibilityNo cancel feeOn-time76%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.