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Cheap flights from London Heathrow Airport to Houston George Bush Intcntl Airport from £417

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 21/9. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — IAH
28 Aug — 4 Sep1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from London Heathrow to Houston George Bush Intcntl are usually found in January or November, booked 64 days in advance, depart on a Thursday or Friday and return on a Monday

Cheap flight deals from Heathrow to George Bush Intcntl

Enter your travel dates to find the best prices.

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 29 July 2026.

Thu 10/906:40
LHR
-
IAH
2 stops21h 53m
Scandinavian Airlines
Mon 14/912:21
IAH
-
LHR
2 stops21h 39m
Scandinavian Airlines
Deal found 25/7£568
Sat 5/906:40
LHR
-
IAH
2 stops23h 12m
Scandinavian Airlines
Mon 5/1014:44
IAH
-
LHR
2 stops20h 56m
Scandinavian Airlines
Deal found 24/7£569
Wed 18/1106:40
LHR
-
IAH
2 stops23h 18m
Scandinavian Airlines
Wed 2/1216:00
IAH
-
LHR
2 stops19h 40m
Scandinavian Airlines
Deal found 25/7£571
Sat 19/906:40
LHR
-
IAH
2 stops23h 14m
Scandinavian Airlines
Sat 26/914:35
IAH
-
LHR
2 stops21h 05m
Scandinavian Airlines
Deal found 29/7£574
Wed 2/919:30
LHR
-
IAH
2 stops33h 10m
Scandinavian Airlines
Fri 11/912:21
IAH
-
LHR
2 stops21h 39m
Scandinavian Airlines
Deal found 28/7£575
Sat 12/917:00
LHR
-
IAH
2 stops35h 33m
Scandinavian Airlines
Sat 19/914:35
IAH
-
LHR
2 stops19h 25m
Scandinavian Airlines
Deal found 29/7£577
Wed 12/807:30
LHR
-
IAH
1 stop16h 25m
United Airlines
Thu 13/807:20
IAH
-
LHR
1 stop18h 05m
United Airlines
Deal found 26/7£578
Thu 8/1006:40
LHR
-
IAH
2 stops23h 15m
Scandinavian Airlines
Tue 13/1014:22
IAH
-
LHR
2 stops25h 18m
Scandinavian Airlines
Deal found 29/7£581
Thu 17/906:40
LHR
-
IAH
2 stops20h 34m
Scandinavian Airlines
Mon 28/914:44
IAH
-
LHR
2 stops21h 46m
Scandinavian Airlines
Deal found 28/7£583
Fri 11/906:40
LHR
-
IAH
2 stops21h 53m
Scandinavian Airlines
Fri 18/914:44
IAH
-
LHR
2 stops16h 51m
Scandinavian Airlines
Deal found 28/7£584

Find 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 29 July 2026.

Round-trip from

£568

One-way from

£417

Popular in

December

Cheapest in

January

Average price

£931

Good round-trip deal

£792 or less

Good one-way deal

£579 or less
Scandinavian Airlines
  • Scandinavian Airlines
  • 10/9-14/9
  • 4 total stops
  • 43h 32m total
  • London to Houston
Search Deals
21/9
  • 21/9
  • 3 total stops
  • 29h 47m total
  • London to Houston
Search Deals
High demand for flights, 8% potential price rise
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£10 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a round-trip flight from London Heathrow to Houston George Bush Intcntl.
Search Deals
Price to beat on a one-way flight from London Heathrow to Houston George Bush Intcntl.
Search Deals

Cheapflights Fare Finder

 
Customise 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 858,174 searches. Data last updated 29 July 2026.
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

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Fri 11/9

06:40-22:33

2 stops21h 53m

Houston George Bush Intcntl

Fri 18/9

14:44-16:00

2 stops19h 16m

£584

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Mon 21/9

06:40-21:14

2 stops20h 34m

Houston George Bush Intcntl

Wed 30/9

16:05-17:40

2 stops19h 35m

£685

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Sun 11/10

06:40-23:57

3 stops23h 17m

Houston George Bush Intcntl

Tue 27/10

16:04-21:40

2 stops24h 36m

£691

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Fri 27/11

17:55-13:10

1 stop25h 15m

Houston George Bush Intcntl

Sun 29/11

21:00-16:20

1 stop37h 20m

£792

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Wed 16/9

06:30-19:20

1 stop18h 50m

Houston George Bush Intcntl

Sun 20/9

21:15-22:25

1 stop19h 10m

£803

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Wed 23/9

06:30-19:20

1 stop18h 50m

Houston George Bush Intcntl

Sun 27/9

21:15-22:25

1 stop19h 10m

£803

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Thu 12/11

12:25-10:54

2 stops28h 29m

Houston George Bush Intcntl

Tue 17/11

14:40-17:30

3 stops20h 50m

£838

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Wed 4/11

06:40-23:55

3 stops23h 15m

Houston George Bush Intcntl

Sun 15/11

16:10-18:30

2 stops20h 20m

£846

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Sun 25/10

12:25-08:41

2 stops25h 16m

Houston George Bush Intcntl

Tue 3/11

14:40-17:30

3 stops20h 50m

£909
Fastest return journey

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Wed 16/9

07:25-16:40

1 stop15h 15m

Houston George Bush Intcntl

Sun 20/9

20:15-11:35

Nonstop9h 20m

£916

Flights are sorted by cheapest return flights first.

Deals found on 24/7

Showing 1-10 of 18 resultsSorted by cheapest first
1
2

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 return 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?

The price you pay for your flight from London Heathrow Airport to Houston George Bush Intcntl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 63 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to Houston George Bush Intcntl Airport (average of £627). Flying from London Heathrow Airport to Houston George Bush Intcntl Airport in December is currently the most expensive (average of £955). 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 29 July 2026.

When flying from London Heathrow Airport to Houston George Bush Intcntl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost for a return flight from London Heathrow Airport to Houston George Bush Intcntl Airport?

Airfare is below average for this route at the moment.

London Heathrow Airport to Houston George Bush Intcntl Airport flights typically cost between £784 and £1,216 in September.
The cheapest return price found within the last 5 days was £568 on Scandinavian Airlines (10 Sept–14 Sept).

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 29 July 2026.
Read through reviews of airlines operating flights from London Heathrow Airport to Houston George Bush Intcntl Airport, such as Austrian Airlines,United Airlines, andJetBlue. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Austrian Airlines
7.6
Good
950 reviews
Check prices

Food

6.8

Entertainment

6.8

Crew

8.1

Overall

7.6

Boarding

7.6

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2026

VIE - EWR

Staff is courteous. Food is served with a nice touch, with the chef coming out to discuss the menu. But the quality and variety of food and snacks is below competing airlines. Onboard in Vienna was a bit chaotic. I am 6 ft 1 in tall and the flat beds are a bit tight. Other than that, the overall experience was fine.
Austrian Airlines
7.6
Good
950 reviews
Austrian Airlines
7.6
Good
950 reviews
Check prices

Food

6.8

Entertainment

6.8

Crew

8.1

Overall

7.6

Boarding

7.6

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2026

VIE - EWR

Staff is courteous. Food is served with a nice touch, with the chef coming out to discuss the menu. But the quality and variety of food and snacks is below competing airlines. Onboard in Vienna was a bit chaotic. I am 6 ft 1 in tall and the flat beds are a bit tight. Other than that, the overall experience was fine.
United Airlines
7.4
Good
10,052 reviews
Austrian Airlines
7.6
Good
950 reviews
Check prices

Food

6.8

Entertainment

6.8

Crew

8.1

Overall

7.6

Boarding

7.6

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2026

VIE - EWR

Staff is courteous. Food is served with a nice touch, with the chef coming out to discuss the menu. But the quality and variety of food and snacks is below competing airlines. Onboard in Vienna was a bit chaotic. I am 6 ft 1 in tall and the flat beds are a bit tight. Other than that, the overall experience was fine.
JetBlue
7.1
Good
3,024 reviews
Austrian Airlines
7.6
Good
950 reviews
Check prices

Food

6.8

Entertainment

6.8

Crew

8.1

Overall

7.6

Boarding

7.6

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2026

VIE - EWR

Staff is courteous. Food is served with a nice touch, with the chef coming out to discuss the menu. But the quality and variety of food and snacks is below competing airlines. Onboard in Vienna was a bit chaotic. I am 6 ft 1 in tall and the flat beds are a bit tight. Other than that, the overall experience was fine.
Lufthansa
6.8
Okay
8,163 reviews
Austrian Airlines
7.6
Good
950 reviews
Check prices

Food

6.8

Entertainment

6.8

Crew

8.1

Overall

7.6

Boarding

7.6

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2026

VIE - EWR

Staff is courteous. Food is served with a nice touch, with the chef coming out to discuss the menu. But the quality and variety of food and snacks is below competing airlines. Onboard in Vienna was a bit chaotic. I am 6 ft 1 in tall and the flat beds are a bit tight. Other than that, the overall experience was fine.
British Airways
6.7
Okay
8,126 reviews
Austrian Airlines
7.6
Good
950 reviews
Check prices

Food

6.8

Entertainment

6.8

Crew

8.1

Overall

7.6

Boarding

7.6

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2026

VIE - EWR

Staff is courteous. Food is served with a nice touch, with the chef coming out to discuss the menu. But the quality and variety of food and snacks is below competing airlines. Onboard in Vienna was a bit chaotic. I am 6 ft 1 in tall and the flat beds are a bit tight. Other than that, the overall experience was fine.

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 £584, Scandinavian Airlines can have you in Houston George Bush Intcntl Airport from London Heathrow Airport in 21h 53m. London Heathrow Airport and Houston George Bush Intcntl Airport are separated by a distance of 4820 mi. Both multi-stop and direct flights can be found to your destination and back.

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

    According to our current data, Frontier (£85), Iberia (£352), and KLM (£368) offers the cheapest pricing from London Heathrow Airport to Houston George Bush Intcntl Airport. Users have found that Frontier is 89% cheaper than the other options available to this destination.

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

    The cheapest airline one-way is British Airways, with whom users have recently found tickets for as low as £463. However, be on the lookout for offers from Finnair and Lufthansa, as they are both options that can get you from London Heathrow Airport to Houston George Bush Intcntl Airport for a low price.

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

    The top 3 most reliable airlines when flying from London Heathrow Airport to Houston George Bush Intcntl Airport are Austrian Airlines (79%), Brussels Airlines (79%) and United Airlines (79%).

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

    Looking for the cheapest flight from London Heathrow Airport to Houston George Bush Intcntl Airport? While on average our users pay £1,683, our data indicates the cheapest price to be £554. The most popular route (London Heathrow - Houston George Bush Intcntl), is priced around £505.

  • 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 holiday 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, January is the cheapest month in which you can book a flight from London Heathrow Airport to Houston George Bush Intcntl Airport (average of £627). Flying from London Heathrow Airport to Houston George Bush Intcntl Airport in December is currently the most expensive (average of £955). 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

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Fly from Heathrow to George Bush Intcntl on these airlines

Choose from the following airlines for your flight from Heathrow to George Bush Intcntl. Flights are based on user searches made on Cheapflights and were last updated on 29 July 2026.
British Airways flights from London Heathrow to Houston George Bush Intcntl
Lufthansa flights from London Heathrow to Houston George Bush Intcntl
Finnair flights from London Heathrow to Houston George Bush Intcntl

Top 10 airlines flying from Heathrow to George Bush Intcntl

Discover the top 10 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 858,174 searches. Data last updated 29 July 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest£85Average£122FlexibilityNo cancel feeOn-time62%
Search Frontier flights
IberiaCheapest£352Average£1,164FlexibilityNo cancel feeOn-time77%
Search Iberia flights
KLMCheapest£368Average£485FlexibilityNo cancel feeOn-time75%
Search KLM flights
Virgin AtlanticCheapest£391Average£705FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
JetBlueCheapest£538Average£722FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
Brussels AirlinesCheapest£575Average£788FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights
United AirlinesCheapest£581Average£810FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapest£581Average£617FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
FinnairCheapest£584Average£807FlexibilityNo cancel feeOn-time76%
Search Finnair flights
British AirwaysCheapest£586Average£753FlexibilityNo cancel feeOn-time70%
Search British Airways flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Heathrow to George Bush Intcntl?

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Why should you use Cheapflights to find cheap flight tickets from Heathrow to George Bush Intcntl?

Cheapflights helps you find that perfect flight to George Bush Intcntl from Heathrow by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Heathrow to George Bush Intcntl with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Heathrow to George Bush Intcntl flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Heathrow to George Bush Intcntl become cheaper?

Not ready to book yet? You can track prices for flights from Heathrow to George Bush Intcntl on Cheapflights with our Price Alert feature and get notified when better prices are available.

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