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Cheap flights from London Gatwick Airport to Houston from £341

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Gatwick Airport to Houston departing on 21/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
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Find the cheapest flights from London Gatwick Airport to Houston

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
14:00 - 10:40
LGW
-
IAH
26h 40m
1 stop
Multiple Airlines Logo
12:21 - 10:00
IAH
-
LGW
15h 39m
1 stop
£688Multiple Airlines
Sun, 13 Sep - Sun, 20 Sep
Multiple Airlines Logo
14:00 - 08:45
LGW
-
IAH
24h 45m
1 stop
Multiple Airlines Logo
09:42 - 10:00
IAH
-
LGW
18h 18m
2 stops
£690Multiple Airlines
Mon, 6 Jul - Sun, 12 Jul
JetBlue Logo
12:20 - 13:24
LGW
-
IAH
31h 04m
1 stop
JetBlue Logo
13:27 - 09:35
IAH
-
LGW
14h 08m
1 stop
£691JetBlue
Thu, 4 Jun - Mon, 15 Jun
Multiple Airlines Logo
14:00 - 12:12
LGW
-
IAH
28h 12m
2 stops
Multiple Airlines Logo
19:24 - 10:00
IAH
-
LGW
32h 36m
1 stop
£691Multiple Airlines
Sun, 28 Jun - Sun, 5 Jul
Multiple Airlines Logo
14:00 - 19:17
LGW
-
IAH
35h 17m
2 stops
Multiple Airlines Logo
09:42 - 10:00
IAH
-
LGW
18h 18m
2 stops
£692Multiple Airlines
Tue, 26 May - Wed, 24 Jun
Multiple Airlines Logo
14:00 - 07:34
LGW
-
IAH
47h 34m
2 stops
Multiple Airlines Logo
19:24 - 10:00
IAH
-
LGW
32h 36m
1 stop
£693Multiple Airlines
Tue, 2 Jun - Thu, 11 Jun
Multiple Airlines Logo
14:00 - 08:50
LGW
-
IAH
24h 50m
1 stop
Multiple Airlines Logo
20:55 - 10:00
IAH
-
LGW
31h 05m
2 stops
£694Multiple Airlines
Wed, 3 Jun - Fri, 19 Jun
JetBlue Logo
12:20 - 16:09
LGW
-
IAH
33h 49m
1 stop
JetBlue Logo
17:09 - 09:35
IAH
-
LGW
34h 26m
1 stop
£694JetBlue
Wed, 8 Jul - Wed, 15 Jul
Multiple Airlines Logo
14:00 - 08:47
LGW
-
IAH
24h 47m
1 stop
Multiple Airlines Logo
18:00 - 15:50
IAH
-
LGW
15h 50m
2 stops
£695Multiple Airlines
Fri, 28 Aug - Tue, 8 Sep
JetBlue Logo
12:20 - 13:24
LGW
-
IAH
31h 04m
1 stop
JetBlue Logo
13:27 - 09:35
IAH
-
LGW
14h 08m
1 stop
£697JetBlue
Thu, 4 Jun - Mon, 15 Jun

Turkish Airlines flights from London Gatwick Airport to Houston George Bush Intcntl Airport

Our best Turkish Airlines deals on London Gatwick Airport to Houston George Bush Intcntl Airport flight tickets
Turkish Airlines
18 Jun
LGW07:30London Gatwick
35h 15m
1 stop
IAH12:45Houston George Bush Intcntl
30 Jul
IAH21:10Houston George Bush Intcntl
19h 15m
1 stop
LGW22:25London Gatwick
£697
Turkish Airlines
18 Jun
LGW10:50London Gatwick
31h 55m
1 stop
IAH12:45Houston George Bush Intcntl
30 Jul
IAH21:10Houston George Bush Intcntl
19h 15m
1 stop
LGW22:25London Gatwick
£699
Turkish Airlines
11 Oct
LGW07:30London Gatwick
35h 15m
1 stop
IAH12:45Houston George Bush Intcntl
15 Oct
IAH21:10Houston George Bush Intcntl
37h 35m
1 stop
LGW16:45London Gatwick
£707

JetBlue flights from London Gatwick Airport to Houston George Bush Intcntl Airport

Our best JetBlue deals on London Gatwick Airport to Houston George Bush Intcntl Airport flight tickets
JetBlue
4 Jun
LGW12:20London Gatwick
31h 04m
1 stop
IAH13:24Houston George Bush Intcntl
15 Jun
IAH13:27Houston George Bush Intcntl
14h 08m
1 stop
LGW09:35London Gatwick
£691
JetBlue
8 Jul
LGW12:20London Gatwick
33h 49m
1 stop
IAH16:09Houston George Bush Intcntl
15 Jul
IAH17:09Houston George Bush Intcntl
34h 26m
1 stop
LGW09:35London Gatwick
£694
JetBlue
4 Jun
LGW12:20London Gatwick
31h 04m
1 stop
IAH13:24Houston George Bush Intcntl
15 Jun
IAH13:27Houston George Bush Intcntl
14h 08m
1 stop
LGW09:35London Gatwick
£697

momondo Fare Finder

 
Customise your flight search to find flights from London Gatwick Airport to Houston George Bush Intcntl Airport 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, momondo users made 279,928 searches. Data last updated 14 May 2026.
Use the filters below to find and compare flights from London Gatwick Airport to Houston George Bush Intcntl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonHouston

LGW - IAH

LGWIAH

London Gatwick

Sun 13/9

14:00-10:40

1 stop26h 40m

Houston George Bush Intcntl

Sun 20/9

12:21-10:00

1 stop15h 39m

£688

LondonHouston

LGW - IAH

LGWIAH

London Gatwick

Mon 6/7

14:00-08:45

1 stop24h 45m

Houston George Bush Intcntl

Sun 12/7

09:42-10:00

2 stops18h 18m

£690

LondonHouston

LGW - IAH

LGWIAH

London Gatwick

Thu 4/6

12:20-13:24

1 stop31h 04m

Houston George Bush Intcntl

Mon 15/6

13:27-09:35

1 stop14h 08m

£691

LondonHouston

LGW - IAH

LGWIAH

London Gatwick

Sun 28/6

14:00-12:12

2 stops28h 12m

Houston George Bush Intcntl

Sun 5/7

19:24-10:00

1 stop32h 36m

£691

LondonHouston

LGW - IAH

LGWIAH

London Gatwick

Tue 26/5

14:00-19:17

2 stops35h 17m

Houston George Bush Intcntl

Wed 24/6

09:42-10:00

2 stops18h 18m

£692

LondonHouston

LGW - IAH

LGWIAH

London Gatwick

Tue 2/6

14:00-07:34

2 stops47h 34m

Houston George Bush Intcntl

Thu 11/6

19:24-10:00

1 stop32h 36m

£693

LondonHouston

LGW - IAH

LGWIAH

London Gatwick

Wed 3/6

14:00-08:50

1 stop24h 50m

Houston George Bush Intcntl

Fri 19/6

20:55-10:00

2 stops31h 05m

£694

LondonHouston

LGW - IAH

LGWIAH

London Gatwick

Wed 8/7

12:20-16:09

1 stop33h 49m

Houston George Bush Intcntl

Wed 15/7

17:09-09:35

1 stop34h 26m

£694
Fastest return journey

LondonHouston

LGW - IAH

LGWIAH

London Gatwick

Fri 28/8

14:00-08:47

1 stop24h 47m

Houston George Bush Intcntl

Tue 8/9

18:00-15:50

2 stops15h 50m

£695

LondonHouston

LGW - IAH

LGWIAH

London Gatwick

Thu 4/6

12:20-13:24

1 stop31h 04m

Houston George Bush Intcntl

Mon 15/6

13:27-09:35

1 stop14h 08m

£697

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Houston from

How to get the cheapest flight ticket from London Gatwick Airport to Houston George Bush Intcntl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Houston George Bush Intcntl Airport?

Our data shows that Thursday is the least expensive day to fly to Houston George Bush Intcntl Airport. Tickets to fly out on this day can be as low as £706. The most expensive day to fly to Houston George Bush Intcntl Airport is Sunday, with ticket prices averaging around £756.

What is the cheapest time of day to depart on your flight to Houston George Bush Intcntl Airport?

Our data shows that the cheapest London Gatwick Airport to Houston George Bush Intcntl Airport flights are usually those with departure times in the afternoon. Our users have found flights to Houston George Bush Intcntl Airport in the afternoon for as low as £690. Try not to purchase tickets in the morning because they tend to be around £736. Of course, these prices can vary depending on the time of year and what airport you fly to.

When to book flights from London Gatwick Airport to Houston George Bush Intcntl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from London Gatwick Airport to Houston George Bush Intcntl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap London Gatwick Airport to Houston George Bush Intcntl Airport (LGW to IAH) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Gatwick Airport to Houston George Bush Intcntl Airport

Fastest flight time

18h 10m

Direct flights

None
The fastest flight from London Gatwick Airport to Houston George Bush Intcntl Airport takes 18h 10m
There are no direct flights from London Gatwick Airport to Houston George Bush Intcntl Airport. There are no popular flight routes from London Gatwick Airport to Houston George Bush Intcntl Airport.
Search flight deals

Frequently asked questions about flying from London Gatwick Airport to Houston George Bush Intcntl Airport

  • How far is London Gatwick to Houston George Bush Intcntl by plane?

    A flight from London Gatwick to Houston George Bush Intcntl will travel around 4840.1 mi. By plane, this route typically takes 18h 10m.

  • When did momondo last update prices for flights from London Gatwick Airport to Houston George Bush Intcntl Airport?

    Prices for flights from London Gatwick Airport to Houston George Bush Intcntl Airport are refreshed on a daily basis.

  • How old do you have to be to fly from London Gatwick Airport to Houston George Bush Intcntl Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London Gatwick Airport to Houston George Bush Intcntl Airport.

  • What documentation or ID do you need to fly to Houston George Bush Intcntl Airport?

    The necessary travel and health documents for your Houston George Bush Intcntl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Travelling to a place near Houston?

Book flights to Houston if you plan to visit one of these locations
Cypress
Spring
The Woodlands
Livingston
Montgomery
Katy

Why use momondo?

Why should I use momondo to find a flight deal from London to Houston?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from London to Houston for you.

Can I find flights from London to Houston with flexible booking policies on momondo?

Flights from London to Houston with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from London to Houston?

Once you have performed a search for London to Houston flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from London to Houston right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Houston, momondo offers a useful price alert feature which will track prices for flights to Houston from London and alert you when they change.

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