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Cheap flights from London to Houston George Bush Intcntl Airport from £345

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 18/4. Fares are subject to change and may not be available on all flights or dates of travel.
LON — IAH
2 May — 9 May1
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 September, booked 63 days in advance, depart on a Thursday or Wednesday 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 2 April 2026.

Wed 13/508:40
LHR
-
IAH
1 stop33h 12m
JetBlue
Thu 28/517:44
IAH
-
LHR
1 stop21h 01m
JetBlue
Deal found 29/3£609
Wed 30/908:15
LHR
-
IAH
1 stop14h 05m
JetBlue
Mon 5/1011:45
IAH
-
LHR
1 stop27h 00m
JetBlue
Deal found 29/3£610
Fri 17/407:35
STN
-
IAH
3 stops42h 42m
Multiple Airlines
Wed 22/414:29
IAH
-
STN
3 stops20h 41m
Multiple Airlines
Deal found 30/3£611
Wed 8/414:00
LGW
-
IAH
1 stop24h 38m
Multiple Airlines
Mon 20/419:48
IAH
-
LGW
2 stops28h 32m
Multiple Airlines
Deal found 30/3£616
Fri 17/408:00
LHR
-
IAH
2 stops30h 23m
Multiple Airlines
Wed 22/418:00
IAH
-
LHR
2 stops22h 00m
Multiple Airlines
Deal found 30/3£616
Wed 20/508:15
LHR
-
IAH
1 stop32h 51m
JetBlue
Wed 27/517:44
IAH
-
LHR
1 stop21h 01m
JetBlue
Deal found 29/3£618
Wed 9/908:15
LHR
-
IAH
1 stop14h 05m
JetBlue
Wed 16/911:50
IAH
-
LHR
1 stop15h 40m
JetBlue
Deal found 28/3£618
Thu 4/608:40
LHR
-
IAH
1 stop34h 44m
JetBlue
Wed 10/614:25
IAH
-
LHR
1 stop34h 05m
JetBlue
Deal found 28/3£619
Fri 10/414:00
LGW
-
IAH
1 stop14h 37m
Multiple Airlines
Sat 18/413:07
IAH
-
LGW
1 stop35h 13m
Multiple Airlines
Deal found 30/3£620
Wed 9/908:15
LHR
-
IAH
1 stop14h 33m
JetBlue
Tue 15/911:50
IAH
-
LHR
1 stop15h 40m
JetBlue
Deal found 28/3£620
Mon 27/418:05
LHR
-
IAH
3 stops34h 42m
Multiple Airlines
Mon 4/506:50
IAH
-
LHR
2 stops25h 45m
Multiple Airlines
Deal found 28/3£621
Sun 12/406:45
STN
-
IAH
3 stops45h 52m
Multiple Airlines
Sun 19/406:05
IAH
-
STN
3 stops31h 50m
Multiple Airlines
Deal found 28/3£622

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 2 April 2026.

Round-trip from

£609

One-way from

£345

Popular in

July

Cheapest in

January

Average price

£735

Good round-trip deal

£706 or less

Good one-way deal

£657 or less
JetBlue
  • JetBlue
  • 13/5-28/5
  • 2 total stops
  • 54h 13m total
  • London to Houston
Search Deals
18/4
  • 18/4
  • 3 total stops
  • 27h 11m total
  • London to Houston
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (£43 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 April 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 2 April 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

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Tue 12/5

07:05-21:25

3 stops20h 20m

Houston George Bush Intcntl

Thu 28/5

14:20-16:00

2 stops19h 40m

£717

LondonHouston

STN - IAH

STNIAH

London Stansted

Wed 15/4

06:55-19:10

1 stop18h 15m

Houston George Bush Intcntl

Wed 29/4

14:30-16:40

1 stop20h 10m

£719

LondonHouston

STN - IAH

STNIAH

London Stansted

Thu 23/4

17:35-12:45

1 stop25h 10m

Houston George Bush Intcntl

Mon 27/4

21:05-09:55

1 stop30h 50m

£724

LondonHouston

STN - IAH

STNIAH

London Stansted

Tue 21/4

17:35-12:45

1 stop25h 10m

Houston George Bush Intcntl

Sat 25/4

21:05-09:55

1 stop30h 50m

£728

LondonHouston

LGW - IAH

LGWIAH

London Gatwick

Thu 23/4

10:50-12:45

1 stop31h 55m

Houston George Bush Intcntl

Mon 27/4

21:05-16:35

1 stop37h 30m

£729

LondonHouston

STN - IAH

STNIAH

London Stansted

Sun 5/7

06:40-19:10

1 stop18h 30m

Houston George Bush Intcntl

Sat 25/7

21:05-09:55

1 stop30h 50m

£745

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Thu 23/4

22:40-12:45

1 stop20h 05m

Houston George Bush Intcntl

Mon 27/4

14:30-15:10

1 stop18h 40m

£758

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Wed 22/4

06:30-19:10

1 stop18h 40m

Houston George Bush Intcntl

Sun 26/4

21:05-22:25

1 stop19h 20m

£763

LondonHouston

LGW - IAH

LGWIAH

London Gatwick

Sat 12/9

07:10-19:10

1 stop18h 00m

Houston George Bush Intcntl

Wed 16/9

21:05-22:30

1 stop19h 25m

£789

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Wed 29/4

07:25-16:35

1 stop15h 10m

Houston George Bush Intcntl

Mon 4/5

16:20-07:45

Nonstop9h 25m

£883

Flights are sorted by cheapest return flights first.

Deals found on 29/3

Showing 1-10 of 60 resultsSorted by cheapest first
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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 March 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 £390). Flying from London to Houston George Bush Intcntl Airport in July is currently the most expensive (average of £690). 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 2 April 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 2 April 2026.

The most flights from LON to IAH are scheduled on a Monday (22 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (17 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 45% 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.

Copenhagen (CPH) is the most affordable one-stop option, with an average return flight price of £429.

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 Chicago (ORD) 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 13% of weekly flights between London and Houston have experienced delays in the past year, with the average delay time being 155 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 Wednesday 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 10% 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 2 April 2026.
Check out reviews from past customers who have flown with Austrian Airlines,United Airlines, andBrussels 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.
Austrian Airlines
7.6
Good
904 reviews
Check prices

Comfort

7.3

Food

6.8

Entertainment

6.8

Boarding

7.6

Crew

8.1

Overall

7.6

Reviews

1 / 20
10.0
Excellent

KENNETH,Mar 2026

VIE - EWR

Everything was great, took off on time, arrived on time, boarding was smooth, food and movies were great.
Austrian Airlines
7.6
Good
904 reviews
Austrian Airlines
7.6
Good
904 reviews
Check prices

Comfort

7.3

Food

6.8

Entertainment

6.8

Boarding

7.6

Crew

8.1

Overall

7.6

Reviews

1 / 20
10.0
Excellent

KENNETH,Mar 2026

VIE - EWR

Everything was great, took off on time, arrived on time, boarding was smooth, food and movies were great.
United Airlines
7.4
Good
9,534 reviews
Austrian Airlines
7.6
Good
904 reviews
Check prices

Comfort

7.3

Food

6.8

Entertainment

6.8

Boarding

7.6

Crew

8.1

Overall

7.6

Reviews

1 / 20
10.0
Excellent

KENNETH,Mar 2026

VIE - EWR

Everything was great, took off on time, arrived on time, boarding was smooth, food and movies were great.
Brussels Airlines
7.2
Good
397 reviews
Austrian Airlines
7.6
Good
904 reviews
Check prices

Comfort

7.3

Food

6.8

Entertainment

6.8

Boarding

7.6

Crew

8.1

Overall

7.6

Reviews

1 / 20
10.0
Excellent

KENNETH,Mar 2026

VIE - EWR

Everything was great, took off on time, arrived on time, boarding was smooth, food and movies were great.
Lufthansa
6.8
Okay
7,882 reviews
Austrian Airlines
7.6
Good
904 reviews
Check prices

Comfort

7.3

Food

6.8

Entertainment

6.8

Boarding

7.6

Crew

8.1

Overall

7.6

Reviews

1 / 20
10.0
Excellent

KENNETH,Mar 2026

VIE - EWR

Everything was great, took off on time, arrived on time, boarding was smooth, food and movies were great.
British Airways
6.7
Okay
7,843 reviews
Austrian Airlines
7.6
Good
904 reviews
Check prices

Comfort

7.3

Food

6.8

Entertainment

6.8

Boarding

7.6

Crew

8.1

Overall

7.6

Reviews

1 / 20
10.0
Excellent

KENNETH,Mar 2026

VIE - EWR

Everything was great, took off on time, arrived on time, boarding was smooth, food and movies were great.

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 £883, Scandinavian Airlines can have you in Houston George Bush Intcntl Airport from London in 15h 10m. London 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 to Houston George Bush Intcntl Airport round-trip?

    Cheapflights users have booked flights from London to Houston George Bush Intcntl Airport round-trip from £391. Other airlines that can offer you cheap pricing are KLM, from £444, and Icelandair, from £493. Virgin Atlantic is currently priced 48% 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?

    £307 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 £497 and £548, 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 Stansted - 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 Austrian Airlines (90%), Brussels Airlines (90%) and United Airlines (90%).

  • 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 £479. On average you can expect to pay £1,103. The most popular route, (London Heathrow - Houston George Bush Intcntl), can usually be booked for £564.

  • 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 £390). Flying from London to Houston George Bush Intcntl Airport in July is currently the most expensive (average of £690). 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 2 April 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 2 April 2026.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest£391Average£740FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
KLMCheapest£444Average£802FlexibilityNo cancel feeOn-time75%
Search KLM flights
IcelandairCheapest£493Average£718FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
JetBlueCheapest£515Average£685FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
LufthansaCheapest£520Average£767FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Air CanadaCheapest£558Average£596FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
FinnairCheapest£559Average£815FlexibilityNo cancel feeOn-time76%
Search Finnair flights
British AirwaysCheapest£572Average£737FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Brussels AirlinesCheapest£576Average£767FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights
Austrian AirlinesCheapest£588Average£814FlexibilityNo cancel feeOn-time78%
Search Austrian 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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