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Cheap flights from London to Houston George Bush Intcntl Airport from £318

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 11/6. Fares are subject to change and may not be available on all flights or dates of travel.
LON — IAH
20 Mar — 27 Mar1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from London to Houston George Bush Intcntl are usually found in January or November, booked 63 days in advance, depart on a Wednesday or Thursday and return on a Tuesday

Cheap flight deals from London to George Bush Intcntl

Enter your travel dates to find the best prices.

Cheapest flights from London to George Bush Intcntl
Explore the most affordable flight options available from London to George Bush Intcntl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 February 2026.

Thu 5/307:00
LGW
-
IAH
3 stops46h 59m
Multiple Airlines
Tue 31/305:15
IAH
-
LGW
2 stops22h 45m
Multiple Airlines
Deal found 17/2£532
Tue 7/419:50
LHR
-
IAH
3 stops32h 44m
Multiple Airlines
Sat 18/407:05
IAH
-
LHR
2 stops23h 50m
Multiple Airlines
Deal found 16/2£533
Fri 17/413:05
LGW
-
IAH
2 stops33h 58m
Multiple Airlines
Sun 26/409:32
IAH
-
LGW
1 stop18h 28m
Multiple Airlines
Deal found 15/2£533
Sat 7/306:40
LHR
-
IAH
3 stops30h 20m
Multiple Airlines
Sat 21/307:05
IAH
-
LHR
2 stops28h 55m
Multiple Airlines
Deal found 16/2£533
Mon 2/314:00
LGW
-
IAH
1 stop35h 04m
Multiple Airlines
Fri 13/316:30
IAH
-
LGW
1 stop12h 30m
Multiple Airlines
Deal found 17/2£534
Mon 2/314:00
LGW
-
IAH
1 stop35h 04m
Multiple Airlines
Mon 16/319:19
IAH
-
LGW
2 stops39h 26m
Multiple Airlines
Deal found 15/2£536
Sat 28/206:40
LHR
-
IAH
3 stops22h 29m
Multiple Airlines
Wed 4/307:21
IAH
-
LHR
3 stops23h 34m
Multiple Airlines
Deal found 16/2£536
Sat 7/306:40
LHR
-
IAH
3 stops30h 20m
Multiple Airlines
Thu 12/307:05
IAH
-
LHR
2 stops28h 55m
Multiple Airlines
Deal found 16/2£538
Mon 13/421:05
LHR
-
IAH
3 stops32h 44m
Multiple Airlines
Mon 27/407:05
IAH
-
LHR
2 stops25h 30m
Multiple Airlines
Deal found 16/2£539
Wed 18/308:30
LGW
-
IAH
2 stops34h 24m
Multiple Airlines
Thu 2/413:17
IAH
-
LGW
1 stop14h 43m
Multiple Airlines
Deal found 16/2£540
Tue 10/308:30
LGW
-
IAH
2 stops20h 29m
Multiple Airlines
Tue 31/311:15
IAH
-
LGW
1 stop16h 45m
Multiple Airlines
Deal found 17/2£541
Wed 4/314:50
LHR
-
IAH
1 stop27h 55m
Multiple Airlines
Tue 17/319:19
IAH
-
LHR
2 stops30h 51m
Multiple Airlines
Deal found 14/2£541

Find flight deals from London to George Bush Intcntl

Discover tips and strategies to find the most affordable flight options for your journey from London (LON) 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 18 February 2026.

Round-trip from

£532

One-way from

£318

Popular in

July

Cheapest in

January

Average price

£739

Good round-trip deal

£604 or less

Good one-way deal

£476 or less
5/3-31/3
  • 5/3-31/3
  • 5 total stops
  • 69h 44m total
  • London to Houston
Search Deals
11/6
  • 11/6
  • 1 total stop
  • 25h 25m total
  • London to Houston
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (£44 potential increase over avg. return price).
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 February 2026
Search Deals
Price to beat on a round-trip flight from London (LON) to Houston George Bush Intcntl.
Search Deals
Price to beat on a one-way flight from London (LON) to Houston George Bush Intcntl.
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from London 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 18 February 2026.
Use the filters below to find and compare flights from London to Houston George Bush Intcntl Airport that are best for you.

Fly from

London

Fly to

George Bush Intcntl

Route

Depart

Return

Price

LondonHouston

LGW - IAH

LGWIAH

London Gatwick

Fri 17/4

13:05-17:03

2 stops33h 58m

Houston George Bush Intcntl

Sun 26/4

09:32-10:00

1 stop18h 28m

£533

LondonHouston

LGW - IAH

LGWIAH

London Gatwick

Thu 5/3

14:00-22:41

1 stop14h 41m

Houston George Bush Intcntl

Mon 9/3

12:16-10:00

1 stop16h 44m

£569

LondonHouston

LGW - IAH

LGWIAH

London Gatwick

Mon 2/3

14:00-22:41

1 stop14h 41m

Houston George Bush Intcntl

Mon 16/3

16:30-10:00

1 stop12h 30m

£570

LondonHouston

LCY - IAH

LCYIAH

London City

Tue 7/4

19:15-00:11

2 stops34h 56m

Houston George Bush Intcntl

Tue 14/4

16:22-17:25

2 stops19h 03m

£580

LondonHouston

LGW - IAH

LGWIAH

London Gatwick

Fri 20/3

13:00-17:13

2 stops33h 13m

Houston George Bush Intcntl

Mon 30/3

21:15-10:00

1 stop30h 45m

£597

LondonHouston

STN - IAH

STNIAH

London Stansted

Sun 12/4

06:45-23:49

3 stops47h 04m

Houston George Bush Intcntl

Wed 6/5

09:26-22:05

3 stops30h 39m

£607

LondonHouston

LGW - IAH

LGWIAH

London Gatwick

Sat 23/5

12:20-14:40

1 stop32h 20m

Houston George Bush Intcntl

Sat 30/5

15:35-09:35

1 stop12h 00m

£645

LondonHouston

STN - IAH

STNIAH

London Stansted

Fri 3/4

18:25-23:49

3 stops35h 24m

Houston George Bush Intcntl

Mon 13/4

11:41-00:20

3 stops30h 39m

£650

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Thu 16/4

06:40-21:35

2 stops20h 55m

Houston George Bush Intcntl

Tue 21/4

14:59-17:40

2 stops20h 41m

£659

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Wed 1/4

06:40-23:49

2 stops23h 09m

Houston George Bush Intcntl

Tue 14/4

14:59-16:00

2 stops19h 01m

£659

Flights are sorted by cheapest return flights first.

Deals found on 15/2

Showing 1-10 of 60 results
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Best time to book a flight from London to George Bush Intcntl

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

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

Use this chart to determine the optimal time to book a return flight from London to George Bush Intcntl. Price data was last updated on 13 February 2026.

Booking 63 days in advance of your planned departure date is, on average, the best time to get cheap flights from London 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 to Houston George Bush Intcntl Airport?

Currently, January is the cheapest month in which you can book a flight from London to Houston George Bush Intcntl Airport (average of £382). Flying from London to Houston George Bush Intcntl Airport in July is currently the most expensive (average of £671). 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 LON to IAH?

Find hourly flight availability from London 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 18 February 2026.

When flying from London 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.

Weekly flight availability from London to Houston George Bush Intcntl Airport

Explore weekly flight availability from London to George Bush Intcntl. 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 18 February 2026.

The most flights from LON to IAH are scheduled on a Monday (22 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (16 on average).

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

What’s the top stopover airport for flights from London to Houston George Bush Intcntl Airport?

Share of one-stop return flights from London to Houston George Bush Intcntl Airport chosen by Cheapflights users in the past 12 months, using the same stopover each way.

Boston (BOS) – chosen by Cheapflights users on 49% of one-stop itineraries from London to Houston George Bush Intcntl Airport on Cheapflights.

What’s the cheapest stopover airport for flights from London to Houston George Bush Intcntl Airport?

Average return fare for one-stop flights from London to Houston George Bush Intcntl Airport, chosen by Cheapflights users in the past 12 months, with the same stopover each way.

Charlotte (CLT) is the most affordable one-stop option, with an average return flight price of £513.

What’s the fastest stopover option from London to Houston George Bush Intcntl Airport?

Shortest average travel time for one-stop one-way flights from London to Houston George Bush Intcntl Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Flights via Amsterdam (AMS) have the shortest average one-way travel time for one-stop routes: 12h 47m.

Which airport typically offers the quickest stopover for flights from London to Houston George Bush Intcntl Airport?

Average stopover duration for one-stop one-way flights from London to Houston George Bush Intcntl Airport, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Paris (CDG) offer the fastest connection on this route, with an average stopover time of 1h 40m.

How often are flights from London to Houston delayed?

About 15% of weekly flights between London and Houston have experienced delays in the past year, with the average delay time being 157 minutes.

What is the most punctual flight time for London to Houston flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Thursday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on London to Houston flights?

Over the past year, United Airlines have had the lowest number of delays on this route, with just 13% of flights being delayed.

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 18 February 2026.
Check out reviews from past customers who have flown with Finnair, Austrian Airlines, andUnited Airlines from London to Houston George Bush Intcntl Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Finnair
7.6
Good
1,362 reviews
Check prices

Overall

7.6

Food

6.7

Crew

8.2

Comfort

7.4

Entertainment

6.9

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
Finnair
7.6
Good
1,362 reviews
Finnair
7.6
Good
1,362 reviews
Check prices

Overall

7.6

Food

6.7

Crew

8.2

Comfort

7.4

Entertainment

6.9

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
Austrian Airlines
7.5
Good
897 reviews
Finnair
7.6
Good
1,362 reviews
Check prices

Overall

7.6

Food

6.7

Crew

8.2

Comfort

7.4

Entertainment

6.9

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
United Airlines
7.4
Good
9,312 reviews
Finnair
7.6
Good
1,362 reviews
Check prices

Overall

7.6

Food

6.7

Crew

8.2

Comfort

7.4

Entertainment

6.9

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
Lufthansa
6.8
Okay
7,788 reviews
Finnair
7.6
Good
1,362 reviews
Check prices

Overall

7.6

Food

6.7

Crew

8.2

Comfort

7.4

Entertainment

6.9

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
British Airways
6.7
Okay
7,751 reviews
Finnair
7.6
Good
1,362 reviews
Check prices

Overall

7.6

Food

6.7

Crew

8.2

Comfort

7.4

Entertainment

6.9

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights

Related info for your journey

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

    For as low as £684, JetBlue can have you in Houston George Bush Intcntl Airport from London in 18h 55m. London and Houston George Bush Intcntl Airport are separated by a distance of 4836 mi. Both multi-stop and direct flights can be found to your destination and back.

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

    Cheapflights users have booked flights from London to Houston George Bush Intcntl Airport round-trip from £188. Other airlines that can offer you cheap pricing are Virgin Atlantic, from £383, and KLM, from £434. WestJet is currently priced 74% below the average price you’ll pay for this route.

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

    £301 is the cheapest one-way deal found within the past few days, from WestJet. You may also be able to find cheap deals on Finnair and Lufthansa, with prices starting from £487 and £537, respectively.

  • What are the most popular routes from London to Houston George Bush Intcntl Airport?

    The most popular route from London to Houston George Bush Intcntl Airport is London Heathrow - Houston George Bush Intcntl. You may also consider London Gatwick - Houston George Bush Intcntl or London City - Houston George Bush Intcntl.

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

    The top 3 most reliable airlines when flying from London to Houston George Bush Intcntl Airport are Air Canada (85%), Austrian Airlines (85%) and Brussels Airlines (85%).

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

    The cheapest flight price from London to Houston George Bush Intcntl Airport is £429. On average you can expect to pay £962. The most popular route, (London Heathrow - Houston George Bush Intcntl), can usually be booked for £519.

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

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

  • How can I find direct flights from London 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 London to George Bush Intcntl.

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

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

    Currently, January is the cheapest month in which you can book a flight from London to Houston George Bush Intcntl Airport (average of £382). Flying from London to Houston George Bush Intcntl Airport in July is currently the most expensive (average of £671). 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 London to George Bush Intcntl on these airlines

Choose from the following airlines for your flight from London to George Bush Intcntl. Flights are based on user searches made on Cheapflights and were last updated on 18 February 2026.
British Airways flights from London to Houston George Bush Intcntl
Lufthansa flights from London to Houston George Bush Intcntl
Finnair flights from London to Houston George Bush Intcntl

Top 10 airlines flying from London to George Bush Intcntl

Discover the top 10 airlines that operate flights from London 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 18 February 2026.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest£188Average£620FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Virgin AtlanticCheapest£383Average£719FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
KLMCheapest£434Average£785FlexibilityNo cancel feeOn-time75%
Search KLM flights
IcelandairCheapest£482Average£756FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
FinnairCheapest£499Average£699FlexibilityNo cancel feeOn-time76%
Search Finnair flights
LufthansaCheapest£501Average£743FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
JetBlueCheapest£506Average£662FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
Air CanadaCheapest£546Average£581FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
British AirwaysCheapest£559Average£719FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Brussels AirlinesCheapest£564Average£746FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights

Fly with Cheapflights

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

Cheapflights makes it easy to find London to George Bush Intcntl flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

Millions of users choose and trust Cheapflights to book the best flight deals from London to George Bush Intcntl for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

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

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Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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