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George Bush Intcntl

$375+ Cheap flights from Heathrow (LHR) to George Bush Intcntl (IAH)

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 10/14. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — IAH
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheapflights Tip: The best prices from London Heathrow to Houston George Bush Intcntl are usually found in February or January, booked 47 days in advance, depart on a Sunday or Thursday and return on a Wednesday

Cheap flight deals from Heathrow to George Bush Intcntl

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to George Bush Intcntl (IAH). 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 September 11, 2025.

Round-trip from

$772
(Trip.com)

One-way from

$375
(Kiwi.com)

Popular in

July

Cheapest in

February

Average price

$883

Good round-trip deal

$918 or less

Good one-way deal

$806 or less
From London Heathrow to Houston George Bush Intcntl
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One-way flight from London Heathrow to Houston George Bush Intcntl
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Highest demand for flights based on searches. 16% potential increase in price ($194 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($29 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from London Heathrow to Houston George Bush Intcntl.
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Price to beat on a one-way flight from London Heathrow to Houston George Bush Intcntl.
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Find flight deals from Heathrow to George Bush Intcntl

Cheapest flights from Heathrow to George Bush Intcntl
Explore the most affordable flight options available from Heathrow to George Bush Intcntl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This Trip.com deal was found by Cheapflights users on 9/10. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1212:00 pmLHR - IAH
1 stop17h 48mUnited Airlines
Sun 11/166:02 amIAH - LHR
1 stop22h 23mUnited Airlines
Deal found 9/10$772
This Kiwi.com deal was found by Cheapflights users on 9/10. 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.
Thu 9/184:35 pmLHR - IAH
2 stops34h 32mMultiple Airlines
Thu 11/206:20 pmIAH - LHR
1 stop36h 30mMultiple Airlines
Deal found 9/10$773
This JetBlue deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/149:20 amLHR - IAH
1 stop14h 31mJetBlue
Wed 11/191:38 pmIAH - LHR
1 stop11h 17mJetBlue
Deal found 9/11$775
This The Travel House deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure The Travel House is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/311:55 amLHR - IAH
2 stops31h 45mIcelandair
Wed 10/222:45 pmIAH - LHR
2 stops24h 00mIcelandair
Deal found 9/11$776
This Mytrip deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/112:00 pmLHR - IAH
2 stops22h 30mMultiple Airlines
Fri 10/37:10 amIAH - LHR
2 stops29h 10mMultiple Airlines
Deal found 9/9$777
This Kiwi.com deal was found by Cheapflights users on 9/9. 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.
Thu 10/92:10 pmLHR - IAH
1 stop14h 33mMultiple Airlines
Sat 10/188:00 pmIAH - LHR
2 stops32h 20mMultiple Airlines
Deal found 9/9$778
This Mytrip deal was found by Cheapflights users on 9/9. 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.
Thu 9/256:00 amLHR - IAH
2 stops21h 07mMultiple Airlines
Thu 12/41:35 pmIAH - LHR
1 stop17h 15mMultiple Airlines
Deal found 9/9$779
This Mytrip deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/202:05 pmLHR - IAH
3 stops34h 07mMultiple Airlines
Fri 9/265:37 amIAH - LHR
3 stops24h 13mMultiple Airlines
Deal found 9/11$780
This Trip.com deal was found by Cheapflights users on 9/9. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/131:50 pmLHR - IAH
2 stops35h 08mMultiple Airlines
Thu 10/235:25 amIAH - LHR
1 stop18h 25mMultiple Airlines
Deal found 9/9$781
This Trip.com deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/151:00 pmLHR - IAH
1 stop16h 30mUnited Airlines
Tue 10/286:02 amIAH - LHR
1 stop23h 23mUnited Airlines
Deal found 9/11$782
This The Travel House deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure The Travel House is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1212:20 pmLHR - IAH
2 stops35h 31mIcelandair
Wed 11/191:38 pmIAH - LHR
2 stops26h 02mIcelandair
Deal found 9/11$783
This Mytrip deal was found by Cheapflights users on 9/10. 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.
Thu 9/189:55 amLHR - IAH
1 stop18h 31mMultiple Airlines
Wed 10/19:29 amIAH - LHR
2 stops25h 46mMultiple Airlines
Deal found 9/10$784

Cheapflights Fare Finder

 
Customize your flight search to find flights from Heathrow to George Bush Intcntl 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 September 11, 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Houston George Bush Intcntl Airport that are best for you.

Fly from

Heathrow

Fly to

George Bush Intcntl

Route

Depart

Return

Price

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Wed 9/24

6:40 am-11:50 pm

3 stops23h 10m

Houston George Bush Intcntl

Mon 9/29

3:59 pm-9:40 pm

2 stops23h 41m

$811

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Thu 9/25

10:20 am-11:21 pm

2 stops19h 01m

Houston George Bush Intcntl

Thu 12/4

1:36 pm-9:40 pm

2 stops26h 04m

$812

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Sat 11/8

7:40 am-4:10 pm

1 stop14h 30m

Houston George Bush Intcntl

Fri 11/14

4:20 pm-7:30 am

Nonstop9h 10m

$822

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Sat 11/8

6:35 am-4:10 pm

1 stop15h 35m

Houston George Bush Intcntl

Tue 11/11

7:05 pm-10:15 am

Nonstop9h 10m

$822

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Sat 11/8

6:35 am-4:10 pm

1 stop15h 35m

Houston George Bush Intcntl

Sat 11/15

4:20 pm-7:30 am

Nonstop9h 10m

$822

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Thu 10/9

6:55 am-4:35 pm

1 stop15h 40m

Houston George Bush Intcntl

Thu 11/13

7:05 pm-10:15 am

Nonstop9h 10m

$822

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Thu 10/9

6:55 am-4:35 pm

1 stop15h 40m

Houston George Bush Intcntl

Fri 11/14

4:20 pm-7:30 am

Nonstop9h 10m

$822

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Wed 10/8

9:30 am-5:50 pm

1 stop14h 20m

Houston George Bush Intcntl

Wed 10/15

8:15 pm-11:35 am

Nonstop9h 20m

$825

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Wed 10/8

9:30 am-5:50 pm

1 stop14h 20m

Houston George Bush Intcntl

Fri 10/17

2:50 pm-9:40 am

1 stop12h 50m

$825

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Mon 10/6

7:30 am-5:50 pm

1 stop16h 20m

Houston George Bush Intcntl

Tue 11/18

7:05 pm-10:15 am

Nonstop9h 10m

$825

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Showing 1-10 of 21 results
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The best insider tips for London Heathrow Airport to Houston George Bush Intcntl 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 London Heathrow Airport to Houston George Bush Intcntl Airport trip
Airports
LHR

Heathrow's strict security can cause delays. Ensure all liquids are in one small bag to avoid manual screening delays.

Read more about LHRby Ramsey Qubein
IAH

For quick city access, Uber or Lyft is recommended from IAH. Terminals A, B, and C have rideshare pickups.

Read more about IAHby Evie Carrick
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

Best time to book a flight from Heathrow to George Bush Intcntl

Have a flexible travel schedule? Discover the best time to fly to George Bush Intcntl from Heathrow 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 London Heathrow Airport to Houston George Bush Intcntl Airport

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

Use this chart to determine the optimal time to book a round-trip flight from Heathrow to George Bush Intcntl. Price data was last updated on August 29, 2025.

Booking 47 days in advance of your planned departure date is, on average, the best time to get cheap flights from London Heathrow Airport to Houston George Bush Intcntl Airport. 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 London Heathrow Airport to Houston George Bush Intcntl Airport?

Currently, August is the cheapest month in which you can book a flight from London Heathrow Airport to Houston George Bush Intcntl Airport (average of $241). Flying from London Heathrow Airport to Houston George Bush Intcntl Airport in March is currently the most expensive (average of $339). 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 LHR to IAH?

Find hourly flight availability from Heathrow to George Bush Intcntl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 11, 2025.

It’s optimal to fly from London Heathrow Airport to Houston George Bush Intcntl Airport in the afternoon. By choosing this option you can save up to 23% on the cost of your flight, compared to a flight at noon.

Reviews of airlines servicing George Bush Intcntl

Get insights into the airlines that provide service to George Bush Intcntl. 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 George Bush Intcntl. Reviews last updated September 11, 2025.
Read reviews from past customers who have flown Austrian Airlines, United Airlines, and Iberia from London Heathrow Airport to Houston George Bush Intcntl Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Austrian Airlines
7.6
Good
850 reviews

Boarding

7.6

Entertainment

6.8

Comfort

7.3

Food

6.8

Crew

8.1

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Andrew,Sep 2025

FLR - VIE

Staff was really nice, they provided water as a beverage. Otherwise you had to purchase beverages or food. A complementary chocolate was provided at the end of the flight.
Austrian Airlines
7.6
Good
850 reviews
Austrian Airlines
7.6
Good
850 reviews

Boarding

7.6

Entertainment

6.8

Comfort

7.3

Food

6.8

Crew

8.1

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Andrew,Sep 2025

FLR - VIE

Staff was really nice, they provided water as a beverage. Otherwise you had to purchase beverages or food. A complementary chocolate was provided at the end of the flight.
United Airlines
7.4
Good
8,937 reviews
Austrian Airlines
7.6
Good
850 reviews

Boarding

7.6

Entertainment

6.8

Comfort

7.3

Food

6.8

Crew

8.1

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Andrew,Sep 2025

FLR - VIE

Staff was really nice, they provided water as a beverage. Otherwise you had to purchase beverages or food. A complementary chocolate was provided at the end of the flight.
Iberia
7.0
Good
2,929 reviews
Austrian Airlines
7.6
Good
850 reviews

Boarding

7.6

Entertainment

6.8

Comfort

7.3

Food

6.8

Crew

8.1

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Andrew,Sep 2025

FLR - VIE

Staff was really nice, they provided water as a beverage. Otherwise you had to purchase beverages or food. A complementary chocolate was provided at the end of the flight.
Lufthansa
6.8
Okay
7,409 reviews
Austrian Airlines
7.6
Good
850 reviews

Boarding

7.6

Entertainment

6.8

Comfort

7.3

Food

6.8

Crew

8.1

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Andrew,Sep 2025

FLR - VIE

Staff was really nice, they provided water as a beverage. Otherwise you had to purchase beverages or food. A complementary chocolate was provided at the end of the flight.
British Airways
6.7
Okay
7,361 reviews
Austrian Airlines
7.6
Good
850 reviews

Boarding

7.6

Entertainment

6.8

Comfort

7.3

Food

6.8

Crew

8.1

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Andrew,Sep 2025

FLR - VIE

Staff was really nice, they provided water as a beverage. Otherwise you had to purchase beverages or food. A complementary chocolate was provided at the end of the flight.

Related info for your journey

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

    For as low as $822, Scandinavian Airlines can have you in Houston George Bush Intcntl Airport from London Heathrow Airport in 14h 30m. The distance from London Heathrow Airport to Houston George Bush Intcntl Airport is about 4820 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    According to our current data, United Airlines ($759), British Airways ($768), and Austrian Airlines ($803) offers the cheapest pricing from London Heathrow Airport to Houston George Bush Intcntl Airport. Users have found that United Airlines is 22% cheaper than the other options available to this destination.

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

    Before booking your flight to Houston George Bush Intcntl Airport from London Heathrow Airport, check out the most reliable airlines to get you to your destination on time: Air Canada (77%), Austrian Airlines (77%), Brussels Airlines( 77%).

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

    On average you can expect to pay $1,284 for a flight from London Heathrow Airport to Houston George Bush Intcntl Airport. The cheapest flight overall is $745 while the most popular route, (London Heathrow - Houston George Bush Intcntl) is currently priced at $499.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from London Heathrow Airport to Houston George Bush Intcntl Airport (average of $241). Flying from London Heathrow Airport to Houston George Bush Intcntl Airport in March is currently the most expensive (average of $339). 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
Montgomery
Spring
Jersey Village
Humble
The Woodlands
Conroe
Tomball
Katy
Cypress

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Alternative routes for Heathrow to George Bush Intcntl

See prices for flight routes from nearby airports that may be better suited for you.
Heathrow to Hobby flights
Gatwick to Hobby flights
Gatwick to George Bush Intcntl flights
London City to George Bush Intcntl flights
Southend to George Bush Intcntl flights

Top 5 airlines flying from Heathrow to George Bush Intcntl

Discover the top 5 airlines that operate flights from Heathrow to George Bush Intcntl. 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$759Average$1,168FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$768Average$1,013FlexibilityNo cancel feeOn-time70%
Austrian AirlinesCheapest$803Average$1,274FlexibilityNo cancel feeOn-time78%
LufthansaCheapest$830Average$1,064FlexibilityNo cancel feeOn-time76%
IberiaCheapest$982Average$1,442FlexibilityNo cancel feeOn-time77%

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