Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from London Heathrow Airport to Houston George Bush Intcntl Airport from £429

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 28/2. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — IAH
15 2월 — 22 2월1
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 February, booked 88 days in advance, depart on a Wednesday or Thursday and return on a Monday

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 16 1월 2026.

Round-trip from

£527

One-way from

£429

Popular in

July

Cheapest in

January

Average price

£611

Good round-trip deal

£607 or less

Good one-way deal

£568 or less
21/2-1/3
  • 21/2-1/3
  • 2 total stops
  • 37h 26m total
  • London to Houston
Search Deals
JetBlue
  • JetBlue
  • 28/2
  • 1 total stop
  • 34h 40m total
  • London to Houston
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (£90 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£15 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 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

Find 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 16 1월 2026.

토 21/211:20
LHR
-
IAH
1 stop19h 10m
Multiple Airlines
일 1/316:34
IAH
-
LHR
1 stop18h 16m
Multiple Airlines
Deal found 14/1£527
목 22/112:15
LHR
-
IAH
3 stops26h 25m
Multiple Airlines
목 5/211:38
IAH
-
LHR
2 stops17h 12m
Multiple Airlines
Deal found 14/1£528
금 20/209:55
LHR
-
IAH
2 stops20h 04m
Multiple Airlines
월 2/319:38
IAH
-
LHR
1 stop18h 32m
Multiple Airlines
Deal found 15/1£529
금 6/312:15
LHR
-
IAH
3 stops28h 56m
Multiple Airlines
일 22/307:05
IAH
-
LHR
2 stops22h 45m
Multiple Airlines
Deal found 14/1£530
금 20/215:00
LHR
-
IAH
3 stops33h 53m
Multiple Airlines
화 24/220:29
IAH
-
LHR
3 stops28h 41m
Multiple Airlines
Deal found 14/1£531
일 1/213:00
LHR
-
IAH
2 stops25h 40m
Multiple Airlines
일 15/205:46
IAH
-
LHR
2 stops19h 24m
Multiple Airlines
Deal found 14/1£533
목 12/312:15
LHR
-
IAH
2 stops32h 12m
Multiple Airlines
목 19/307:05
IAH
-
LHR
2 stops31h 25m
Multiple Airlines
Deal found 15/1£534
금 20/209:55
LHR
-
IAH
2 stops20h 04m
Multiple Airlines
수 4/319:38
IAH
-
LHR
1 stop18h 32m
Multiple Airlines
Deal found 15/1£535
수 11/220:05
LHR
-
IAH
2 stops34h 25m
Multiple Airlines
수 18/221:18
IAH
-
LHR
3 stops32h 32m
Multiple Airlines
Deal found 14/1£535
토 31/109:20
LHR
-
IAH
1 stop32h 19m
JetBlue
목 5/212:24
IAH
-
LHR
1 stop12h 31m
JetBlue
Deal found 14/1£538
토 14/210:45
LHR
-
IAH
1 stop14h 49m
Multiple Airlines
화 24/207:21
IAH
-
LHR
2 stops17h 04m
Multiple Airlines
Deal found 14/1£538
일 15/316:30
LHR
-
IAH
2 stops29h 55m
Iberia
월 23/316:50
IAH
-
LHR
Nonstop9h 00m
Iberia
Deal found 14/1£539

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 16 1월 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

Heathrow

Fly to

George Bush Intcntl

Route

Depart

Return

Price

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

금 6/3

09:35-14:05

Nonstop10h 30m

Houston George Bush Intcntl

화 10/3

18:36-12:05

1 stop12h 29m

£570

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

일 1/2

20:05-20:31

2 stops30h 26m

Houston George Bush Intcntl

일 15/2

12:11-11:15

2 stops17h 04m

£579

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

토 21/2

07:40-16:30

1 stop14h 50m

Houston George Bush Intcntl

금 27/2

19:05-10:15

Nonstop9h 10m

£579

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

금 30/1

06:30-18:15

1 stop17h 45m

Houston George Bush Intcntl

금 6/2

16:20-07:30

Nonstop9h 10m

£580

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

화 27/1

09:30-18:15

1 stop14h 45m

Houston George Bush Intcntl

화 3/2

16:20-07:30

Nonstop9h 10m

£580

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

금 6/2

09:30-18:15

1 stop14h 45m

Houston George Bush Intcntl

월 9/2

08:23-05:55

1 stop15h 32m

£580

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

금 13/3

11:55-23:52

1 stop16h 57m

Houston George Bush Intcntl

토 21/3

16:36-12:15

1 stop14h 39m

£589

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

화 27/1

10:00-14:45

Nonstop10h 45m

Houston George Bush Intcntl

화 3/2

16:20-07:30

Nonstop9h 10m

£603

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

토 31/1

06:30-13:30

1 stop13h 00m

Houston George Bush Intcntl

화 3/2

12:40-07:50

1 stop13h 10m

£612

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

토 11/4

10:00-14:25

Nonstop10h 25m

Houston George Bush Intcntl

일 19/4

16:20-07:40

Nonstop9h 20m

£615

Flights are sorted by cheapest return flights first.

Deals found on 14/1

Showing 1-10 of 22 results
1
2
3

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?

Use this chart to determine the optimal time to book a return flight from Heathrow to George Bush Intcntl. Price data was last updated on 9 January 2026.

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 57 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 £420). Flying from London Heathrow Airport to Houston George Bush Intcntl Airport in July is currently the most expensive (average of £673). 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 16 1월 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.

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 16 1월 2026.
Read through reviews of airlines operating flights from London Heathrow Airport to Houston George Bush Intcntl Airport, such as Austrian Airlines, Finnair, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Austrian Airlines
7.6
Good
894 reviews
Check prices

Comfort

7.3

Overall

7.6

Entertainment

6.8

Food

6.8

Boarding

7.6

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Nate,Dec 2025

IAD - GSP

Again, I missed this flight because of the first leg of my journey being delayed by three hours. I hope the people on the flight had a nice flight.
Austrian Airlines
7.6
Good
894 reviews
Austrian Airlines
7.6
Good
894 reviews
Check prices

Comfort

7.3

Overall

7.6

Entertainment

6.8

Food

6.8

Boarding

7.6

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Nate,Dec 2025

IAD - GSP

Again, I missed this flight because of the first leg of my journey being delayed by three hours. I hope the people on the flight had a nice flight.
Finnair
7.6
Good
1,350 reviews
Austrian Airlines
7.6
Good
894 reviews
Check prices

Comfort

7.3

Overall

7.6

Entertainment

6.8

Food

6.8

Boarding

7.6

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Nate,Dec 2025

IAD - GSP

Again, I missed this flight because of the first leg of my journey being delayed by three hours. I hope the people on the flight had a nice flight.
United Airlines
7.4
Good
9,166 reviews
Austrian Airlines
7.6
Good
894 reviews
Check prices

Comfort

7.3

Overall

7.6

Entertainment

6.8

Food

6.8

Boarding

7.6

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Nate,Dec 2025

IAD - GSP

Again, I missed this flight because of the first leg of my journey being delayed by three hours. I hope the people on the flight had a nice flight.
Lufthansa
6.8
Okay
7,719 reviews
Austrian Airlines
7.6
Good
894 reviews
Check prices

Comfort

7.3

Overall

7.6

Entertainment

6.8

Food

6.8

Boarding

7.6

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Nate,Dec 2025

IAD - GSP

Again, I missed this flight because of the first leg of my journey being delayed by three hours. I hope the people on the flight had a nice flight.
British Airways
6.7
Okay
7,682 reviews
Austrian Airlines
7.6
Good
894 reviews
Check prices

Comfort

7.3

Overall

7.6

Entertainment

6.8

Food

6.8

Boarding

7.6

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Nate,Dec 2025

IAD - GSP

Again, I missed this flight because of the first leg of my journey being delayed by three hours. I hope the people on the flight had a nice 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 £570, British Airways can have you in Houston George Bush Intcntl Airport from London Heathrow Airport in 10h 30m. 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, WestJet (£190), Virgin Atlantic (£390), and KLM (£440) offers the cheapest pricing from London Heathrow Airport to Houston George Bush Intcntl Airport. Users have found that WestJet is 74% 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 WestJet, with whom users have recently found tickets for as low as £257. 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 Air Canada (80%), Austrian Airlines (80%) and Brussels Airlines (80%).

  • 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 £913, our data indicates the cheapest price to be £457. The most popular route (London Heathrow - Houston George Bush Intcntl), is priced around £445.

  • 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 £420). Flying from London Heathrow Airport to Houston George Bush Intcntl Airport in July is currently the most expensive (average of £673). 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

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.

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 16 1월 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 16 1월 2026.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest£190Average£628FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Virgin AtlanticCheapest£390Average£750FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
KLMCheapest£440Average£794FlexibilityNo cancel feeOn-time75%
Search KLM flights
IcelandairCheapest£488Average£765FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
JetBlueCheapest£492Average£657FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
FinnairCheapest£506Average£636FlexibilityNo cancel feeOn-time76%
Search Finnair flights
LufthansaCheapest£507Average£753FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
British AirwaysCheapest£547Average£720FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Air CanadaCheapest£553Average£588FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Brussels AirlinesCheapest£574Average£761FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Cheapflights helps you search for flights from Heathrow to George Bush Intcntl via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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.

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.