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Cheap flights from London Gatwick Airport to Houston from £317

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 8/3. 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 - 22:41
LGW
-
IAH
14h 41m
1 stop
Multiple Airlines Logo
07:05 - 09:50
IAH
-
LGW
20h 45m
2 stops
£520Multiple Airlines
Thu, 19 Feb - Tue, 24 Feb
Multiple Airlines Logo
14:00 - 19:04
LGW
-
IAH
35h 04m
1 stop
Multiple Airlines Logo
16:30 - 10:00
IAH
-
LGW
12h 30m
1 stop
£521Multiple Airlines
Mon, 2 Mar - Mon, 16 Mar
Multiple Airlines Logo
19:25 - 23:49
LGW
-
IAH
33h 24m
2 stops
Multiple Airlines Logo
21:15 - 10:00
IAH
-
LGW
31h 45m
1 stop
£523Multiple Airlines
Mon, 16 Mar - Tue, 24 Mar
Multiple Airlines Logo
14:00 - 08:40
LGW
-
IAH
23h 40m
1 stop
Multiple Airlines Logo
16:30 - 10:00
IAH
-
LGW
12h 30m
1 stop
£525Multiple Airlines
Mon, 9 Mar - Mon, 23 Mar
Multiple Airlines Logo
14:00 - 22:41
LGW
-
IAH
14h 41m
1 stop
Multiple Airlines Logo
12:16 - 10:00
IAH
-
LGW
15h 44m
1 stop
£526Multiple Airlines
Thu, 19 Feb - Fri, 6 Mar
Multiple Airlines Logo
14:00 - 22:41
LGW
-
IAH
14h 41m
1 stop
Multiple Airlines Logo
21:40 - 10:00
IAH
-
LGW
30h 20m
1 stop
£526Multiple Airlines
Thu, 19 Feb - Thu, 26 Feb
Multiple Airlines Logo
11:55 - 15:39
LGW
-
IAH
32h 44m
3 stops
Multiple Airlines Logo
05:15 - 10:55
IAH
-
LGW
24h 40m
3 stops
£528Multiple Airlines
Mon, 9 Mar - Mon, 23 Mar
Multiple Airlines Logo
08:30 - 23:59
LGW
-
IAH
21h 29m
2 stops
Multiple Airlines Logo
13:42 - 10:00
IAH
-
LGW
15h 18m
1 stop
£529Multiple Airlines
Sat, 7 Mar - Thu, 19 Mar
Multiple Airlines Logo
06:05 - 23:59
LGW
-
IAH
23h 54m
3 stops
Multiple Airlines Logo
13:05 - 20:40
IAH
-
LGW
25h 35m
3 stops
£531Multiple Airlines
Wed, 4 Mar - Sat, 7 Mar
Multiple Airlines Logo
11:55 - 15:39
LGW
-
IAH
32h 44m
3 stops
Multiple Airlines Logo
05:15 - 10:55
IAH
-
LGW
24h 40m
3 stops
£532Multiple Airlines
Mon, 9 Mar - Mon, 23 Mar

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 6 February 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

LondonHouston

LGW - IAH

LGWIAH

London Gatwick

Thu 19/2

14:00-22:41

1 stop14h 41m

Houston George Bush Intcntl

Tue 24/2

07:05-09:50

2 stops20h 45m

£520

LondonHouston

LGW - IAH

LGWIAH

London Gatwick

Mon 2/3

14:00-19:04

1 stop35h 04m

Houston George Bush Intcntl

Mon 16/3

16:30-10:00

1 stop12h 30m

£521

LondonHouston

LGW - IAH

LGWIAH

London Gatwick

Mon 16/3

19:25-23:49

2 stops33h 24m

Houston George Bush Intcntl

Tue 24/3

21:15-10:00

1 stop31h 45m

£523

LondonHouston

LGW - IAH

LGWIAH

London Gatwick

Mon 9/3

14:00-08:40

1 stop23h 40m

Houston George Bush Intcntl

Mon 23/3

16:30-10:00

1 stop12h 30m

£525

LondonHouston

LGW - IAH

LGWIAH

London Gatwick

Thu 19/2

14:00-22:41

1 stop14h 41m

Houston George Bush Intcntl

Fri 6/3

12:16-10:00

1 stop15h 44m

£526

LondonHouston

LGW - IAH

LGWIAH

London Gatwick

Thu 19/2

14:00-22:41

1 stop14h 41m

Houston George Bush Intcntl

Thu 26/2

21:40-10:00

1 stop30h 20m

£526

LondonHouston

LGW - IAH

LGWIAH

London Gatwick

Mon 9/3

11:55-15:39

3 stops32h 44m

Houston George Bush Intcntl

Mon 23/3

05:15-10:55

3 stops24h 40m

£528

LondonHouston

LGW - IAH

LGWIAH

London Gatwick

Sat 7/3

08:30-23:59

2 stops21h 29m

Houston George Bush Intcntl

Thu 19/3

13:42-10:00

1 stop15h 18m

£529

LondonHouston

LGW - IAH

LGWIAH

London Gatwick

Wed 4/3

06:05-23:59

3 stops23h 54m

Houston George Bush Intcntl

Sat 7/3

13:05-20:40

3 stops25h 35m

£531

LondonHouston

LGW - IAH

LGWIAH

London Gatwick

Mon 9/3

11:55-15:39

3 stops32h 44m

Houston George Bush Intcntl

Mon 23/3

05:15-10:55

3 stops24h 40m

£532

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 Wednesday 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 £692. The most expensive day to fly to Houston George Bush Intcntl Airport is Saturday, with ticket prices averaging around £738.

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 morning. Our users have found flights to Houston George Bush Intcntl Airport in the morning for as low as £710. Try not to purchase tickets at midday because they tend to be around £716. 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

14h 41m

Direct flights

None
The fastest flight from London Gatwick Airport to Houston George Bush Intcntl Airport takes 14h 41m
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

  • 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 14h 41m.

  • 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
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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