Heathrow

$338+ 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 11/21. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — LHR
dic 7 — dic 141
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Cheapflights Tip: The best prices from Houston George Bush Intcntl to London Heathrow are usually found in October or September, booked 63 days in advance, depart on a Wednesday or Sunday and return on a Thursday

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 novembre 7, 2025.

This Netflights deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Netflights is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar 11/1812:35 pmIAH - LHR
1 stop11h 50mVirgin Atlantic
mar 11/253:50 pmLHR - IAH
1 stop14h 07mVirgin Atlantic
Deal found 11/4$558
This eDestinos deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom 11/3012:10 pmIAH - LHR
1 stop14h 25mIberia
mar 12/239:35 amLHR - IAH
Nonstop10h 30mIberia
Deal found 11/4$563
This Flightnetwork deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun 11/242:24 pmIAH - LHR
1 stop15h 16mFinnair
mar 12/99:35 amLHR - IAH
Nonstop10h 30mFinnair
Deal found 11/4$564
This lastminute.com deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer 12/312:40 pmIAH - LHR
1 stop14h 05mVirgin Atlantic
mer 12/106:30 amLHR - IAH
1 stop13h 00mVirgin Atlantic
Deal found 11/5$567
This Gotogate deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer 12/32:23 pmIAH - LHR
1 stop13h 37mFinnair
mer 12/109:35 amLHR - IAH
Nonstop10h 30mFinnair
Deal found 11/5$569
This Gotogate deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar 11/1812:30 pmIAH - LHR
1 stop12h 40mAir Canada
mar 11/256:50 amLHR - IAH
2 stops20h 49mAir Canada
Deal found 11/4$570
This Delta deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun 11/245:30 amIAH - LHR
1 stop21h 15mDelta
mar 12/96:30 amLHR - IAH
1 stop13h 00mDelta
Deal found 11/5$574
This Cheapflightsfares deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom 11/309:50 pmIAH - LHR
Nonstop9h 00mBritish Airways
mar 12/239:35 amLHR - IAH
Nonstop10h 30mBritish Airways
Deal found 11/4$576

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 novembre 7, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$567
(lastminute.com)

One-way from

$338
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$733

Good round-trip deal

$696 or less

Good one-way deal

$403 or less
Provider with most accurate pricing for Houston George Bush Intcntl-London Heathrow flight deals.
Provider most trusted by Cheapflights users for Houston George Bush Intcntl-London Heathrow flights.
From Houston George Bush Intcntl to London Heathrow
One-way flight from Houston George Bush Intcntl to London Heathrow
Highest demand for flights based on searches. 21% potential increase in price ($217 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($37 potential savings vs. average RT price).
Average for round-trip flights in November 2025
Price to beat on a round-trip flight from Houston George Bush Intcntl to London Heathrow.
Price to beat on a one-way flight from Houston George Bush Intcntl to London Heathrow.

Cheapflights Fare Finder

 
Customize your flight search to find flights from George Bush Intcntl to Heathrow that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated novembre 7, 2025.
Use the filters below to find and compare flights from Houston George Bush Intcntl Airport to London Heathrow Airport that are best for you.

Fly from

George Bush Intcntl

Fly to

Heathrow

Route

Depart

Return

Price

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

mer 11/12

12:30 pm-6:20 am

1 stop11h 50m

London Heathrow

mer 11/19

11:30 am-11:57 pm

2 stops18h 27m

$589

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

lun 1/12

12:20 pm-8:05 am

2 stops13h 45m

London Heathrow

ven 2/20

6:30 am-1:30 pm

1 stop13h 00m

$593

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

lun 1/26

4:06 pm-9:40 pm

2 stops23h 34m

London Heathrow

mar 2/3

6:40 am-11:39 pm

2 stops22h 59m

$597

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

mer 1/7

10:35 am-7:50 am

1 stop15h 15m

London Heathrow

mer 1/14

9:00 am-11:58 pm

2 stops20h 58m

$597

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

mer 11/19

3:30 pm-9:00 am

1 stop11h 30m

London Heathrow

gio 11/27

6:20 am-1:55 pm

1 stop13h 35m

$605

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

mer 12/3

12:35 pm-9:00 am

2 stops14h 25m

London Heathrow

lun 12/8

5:35 pm-1:55 pm

1 stop26h 20m

$623

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

gio 11/27

12:59 pm-8:45 am

1 stop13h 46m

London Heathrow

gio 12/4

6:20 am-1:55 pm

1 stop13h 35m

$630

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

mer 11/12

7:05 pm-10:15 am

Nonstop9h 10m

London Heathrow

mer 11/19

12:05 pm-4:50 pm

Nonstop10h 45m

$631

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

gio 1/15

4:06 pm-6:30 pm

2 stops20h 24m

London Heathrow

lun 1/19

7:05 am-11:58 pm

3 stops22h 53m

$632

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

ven 11/21

2:59 pm-5:30 pm

3 stops44h 31m

$338

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/4

Showing 1-10 of 20 results
1
2

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 November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
JustAirTicketPrice Accuracy-Trust Score*1 star
MytripPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
JetabroadPrice 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 Heathrow Airport flights, users find the pricing of Mytrip to be most consistent on Cheapflights vs. Mytrip Users can find the same prices on Houston George Bush Intcntl Airport-London Heathrow Airport flight deals on Cheapflights vs. Mytrip >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 Mytrip the most. Mytrip 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.

Cheapflights Insights

Everything you need to know about your flight from Houston George Bush Intcntl Airport to London Heathrow Airport

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 October 31, 2025.

The best time to book flights from Houston George Bush Intcntl Airport to London Heathrow Airport is 18 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 $509). Flying from Houston George Bush Intcntl Airport to London Heathrow Airport in June is currently the most expensive (average of $916). 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 novembre 7, 2025.

Unlike in the evening, when flights are generally more expensive, you can save up to 12% 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.

The best insider tips for Houston George Bush Intcntl Airport to London Heathrow Airport flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Houston George Bush Intcntl Airport to London Heathrow Airport trip
Airports
IAH

Check the security checkpoint wait times on the IAH website to save time before your flight.

Read more about IAHby Evie Carrick
LHR

Take the Heathrow Express for the fastest route to central London, arriving at Paddington Station.

Read more about LHRby Ramsey Qubein
Our travel experts
Evie Carrick

Evie Carrick

Expert on IAH

Evie Carrick

Evie Carrick

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

Ramsey Qubein

Ramsey Qubein

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 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 novembre 7, 2025.
Get a feel of what it's like to fly with Finnair, United Airlines, and American Airlines from Houston George Bush Intcntl Airport to London Heathrow Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Food

6.7

Entertainment

6.9

Comfort

7.4

Crew

8.1

Boarding

7.6

Overall

7.6

Reviews

1 / 20
6.0
Good

Matt,May 2025

LHR - MIA

Difficult to say what I liked, cabin crew very miserable, looked like they were sick of the job and it was their 50th flight if the day, long wait between drinks and food was somewhat very budget. We did travel in economy but with such a long flight you'd expect this type of service with Ryanair for a two/three hour flight to benidorm, not 8 hours over the Altantic.. entertainment was limited with films and difficult to hear even with headphones on. I think the pilot spoke once and I couldn't hear him over the noise in the cabin. I'd say to say you get what you pay for but my opinion I've flown with a much better airlines. Sorry...you dud ask :(

Food

6.7

Entertainment

6.9

Comfort

7.4

Crew

8.1

Boarding

7.6

Overall

7.6

Reviews

1 / 20
6.0
Good

Matt,May 2025

LHR - MIA

Difficult to say what I liked, cabin crew very miserable, looked like they were sick of the job and it was their 50th flight if the day, long wait between drinks and food was somewhat very budget. We did travel in economy but with such a long flight you'd expect this type of service with Ryanair for a two/three hour flight to benidorm, not 8 hours over the Altantic.. entertainment was limited with films and difficult to hear even with headphones on. I think the pilot spoke once and I couldn't hear him over the noise in the cabin. I'd say to say you get what you pay for but my opinion I've flown with a much better airlines. Sorry...you dud ask :(

Food

6.7

Entertainment

6.9

Comfort

7.4

Crew

8.1

Boarding

7.6

Overall

7.6

Reviews

1 / 20
6.0
Good

Matt,May 2025

LHR - MIA

Difficult to say what I liked, cabin crew very miserable, looked like they were sick of the job and it was their 50th flight if the day, long wait between drinks and food was somewhat very budget. We did travel in economy but with such a long flight you'd expect this type of service with Ryanair for a two/three hour flight to benidorm, not 8 hours over the Altantic.. entertainment was limited with films and difficult to hear even with headphones on. I think the pilot spoke once and I couldn't hear him over the noise in the cabin. I'd say to say you get what you pay for but my opinion I've flown with a much better airlines. Sorry...you dud ask :(

Food

6.7

Entertainment

6.9

Comfort

7.4

Crew

8.1

Boarding

7.6

Overall

7.6

Reviews

1 / 20
6.0
Good

Matt,May 2025

LHR - MIA

Difficult to say what I liked, cabin crew very miserable, looked like they were sick of the job and it was their 50th flight if the day, long wait between drinks and food was somewhat very budget. We did travel in economy but with such a long flight you'd expect this type of service with Ryanair for a two/three hour flight to benidorm, not 8 hours over the Altantic.. entertainment was limited with films and difficult to hear even with headphones on. I think the pilot spoke once and I couldn't hear him over the noise in the cabin. I'd say to say you get what you pay for but my opinion I've flown with a much better airlines. Sorry...you dud ask :(

Food

6.7

Entertainment

6.9

Comfort

7.4

Crew

8.1

Boarding

7.6

Overall

7.6

Reviews

1 / 20
6.0
Good

Matt,May 2025

LHR - MIA

Difficult to say what I liked, cabin crew very miserable, looked like they were sick of the job and it was their 50th flight if the day, long wait between drinks and food was somewhat very budget. We did travel in economy but with such a long flight you'd expect this type of service with Ryanair for a two/three hour flight to benidorm, not 8 hours over the Altantic.. entertainment was limited with films and difficult to hear even with headphones on. I think the pilot spoke once and I couldn't hear him over the noise in the cabin. I'd say to say you get what you pay for but my opinion I've flown with a much better airlines. Sorry...you dud ask :(

Food

6.7

Entertainment

6.9

Comfort

7.4

Crew

8.1

Boarding

7.6

Overall

7.6

Reviews

1 / 20
6.0
Good

Matt,May 2025

LHR - MIA

Difficult to say what I liked, cabin crew very miserable, looked like they were sick of the job and it was their 50th flight if the day, long wait between drinks and food was somewhat very budget. We did travel in economy but with such a long flight you'd expect this type of service with Ryanair for a two/three hour flight to benidorm, not 8 hours over the Altantic.. entertainment was limited with films and difficult to hear even with headphones on. I think the pilot spoke once and I couldn't hear him over the noise in the cabin. I'd say to say you get what you pay for but my opinion I've flown with a much better airlines. Sorry...you dud ask :(

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.
  • How long is the flight from Houston George Bush Intcntl Airport to London Heathrow Airport?

    Delta, Virgin Atlantic, and Scandinavian Airlines can get you from Houston George Bush Intcntl Airport to London Heathrow Airport in just under 11h 50m. Your travel time can differ by up to 11h 44m. Houston George Bush Intcntl Airport and London Heathrow Airport are separated by a distance of 4820 mi. This flight may include one or multiple stops.

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

    Currently priced at $101, JetBlue will fly you from Houston George Bush Intcntl Airport to London Heathrow Airport and back. In addition to JetBlue, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Virgin Atlantic and Air Canada - these airlines can fly you to your destination from $476 and $521, respectively. 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 Heathrow Airport one-way?

    For one-way options, check prices for Iberia. According to our data, you can fly for as low as $363. Users have also found prices from $363 and $371 on British Airways and JetBlue, 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 (85%), Aer Lingus (85%), Finnair( 85%).

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

    On average you can expect to pay $2,839 for a flight from Houston George Bush Intcntl Airport to London Heathrow Airport. The cheapest flight overall is $394 while the most popular route, (Houston George Bush Intcntl - London Heathrow) is currently priced at $574.

  • 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 $509). Flying from Houston George Bush Intcntl Airport to London Heathrow Airport in June is currently the most expensive (average of $916). 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 Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Hounslow
Ilford
Hayes
Southend-on-Sea
Harrow
Croydon
Eastleigh
Dartford
Dover
Winchester
Orpington
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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 novembre 7, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$101Average$783FlexibilityNo cancel feeOn-time62%
Virgin AtlanticCheapest$476Average$822FlexibilityNo cancel feeOn-time72%
Air CanadaCheapest$521Average$709FlexibilityNo cancel feeOn-time67%
British AirwaysCheapest$566Average$890FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$571Average$907FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$572Average$866FlexibilityNo cancel feeOn-time71%
IberiaCheapest$580Average$775FlexibilityNo cancel feeOn-time77%
FinnairCheapest$582Average$739FlexibilityNo cancel feeOn-time76%
DeltaCheapest$631Average$1,049FlexibilityNo cancel feeOn-timeN/A
Austrian AirlinesCheapest$644Average$1,294FlexibilityNo cancel feeOn-time78%

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