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Cheap flights from London Gatwick Airport to Houston from $454

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 4/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from London Gatwick Airport to Houston

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
2:00 pm - 9:43 am
LGW
-
IAH
25h 43m
1 stop
Multiple Airlines Logo
7:00 am - 10:00 am
IAH
-
LGW
21h 00m
1 stop
$785Multiple Airlines
Wed, Apr 29 - Sun, May 10
Multiple Airlines Logo
6:40 am - 5:30 pm
LGW
-
IAH
40h 50m
2 stops
Multiple Airlines Logo
1:41 pm - 10:00 am
IAH
-
LGW
14h 19m
1 stop
$792Multiple Airlines
Tue, Apr 21 - Mon, Apr 27
Multiple Airlines Logo
2:00 pm - 8:23 am
LGW
-
IAH
24h 23m
1 stop
Multiple Airlines Logo
9:45 am - 10:00 am
IAH
-
LGW
18h 15m
1 stop
$794Multiple Airlines
Mon, Apr 27 - Sat, May 9
Multiple Airlines Logo
2:00 pm - 8:38 am
LGW
-
IAH
24h 38m
1 stop
Multiple Airlines Logo
7:04 pm - 6:20 am
IAH
-
LGW
29h 16m
2 stops
$799Multiple Airlines
Fri, Apr 17 - Fri, Apr 24
Multiple Airlines Logo
2:00 pm - 8:38 am
LGW
-
IAH
24h 38m
1 stop
Multiple Airlines Logo
1:58 pm - 10:00 am
IAH
-
LGW
14h 02m
1 stop
$801Multiple Airlines
Mon, Apr 20 - Mon, May 4
Multiple Airlines Logo
2:00 pm - 8:23 am
LGW
-
IAH
24h 23m
1 stop
Multiple Airlines Logo
6:58 pm - 6:20 am
IAH
-
LGW
29h 22m
1 stop
$802Multiple Airlines
Mon, Apr 27 - Thu, May 7
Multiple Airlines Logo
2:00 pm - 1:03 pm
LGW
-
IAH
29h 03m
2 stops
Multiple Airlines Logo
1:58 pm - 10:00 am
IAH
-
LGW
14h 02m
1 stop
$803Multiple Airlines
Sun, Apr 26 - Sun, May 10
Multiple Airlines Logo
2:00 pm - 7:59 am
LGW
-
IAH
23h 59m
2 stops
Multiple Airlines Logo
2:01 pm - 10:00 am
IAH
-
LGW
13h 59m
1 stop
$804Multiple Airlines
Sun, Apr 19 - Sat, May 2
Multiple Airlines Logo
2:00 pm - 10:18 am
LGW
-
IAH
26h 18m
1 stop
Multiple Airlines Logo
7:00 am - 10:00 am
IAH
-
LGW
21h 00m
1 stop
$805Multiple Airlines
Mon, Apr 13 - Mon, Apr 27
Multiple Airlines Logo
2:00 pm - 8:23 am
LGW
-
IAH
24h 23m
1 stop
Multiple Airlines Logo
12:32 pm - 6:20 am
IAH
-
LGW
35h 48m
2 stops
$806Multiple Airlines
Mon, Apr 20 - Mon, May 4

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
Apr 7
LGW7:00 amLondon Gatwick
18h 10m
1 stop
IAH7:10 pmHouston George Bush Intcntl
Apr 21
IAH9:05 pmHouston George Bush Intcntl
19h 20m
1 stop
LGW10:25 pmLondon Gatwick
$1,101
Turkish Airlines
Apr 6
LGW5:35 pmLondon Gatwick
31h 35m
1 stop
IAH7:10 pmHouston George Bush Intcntl
Apr 21
IAH9:05 pmHouston George Bush Intcntl
19h 20m
1 stop
LGW10:25 pmLondon Gatwick
$1,134

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated March 24, 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 round-trip

LondonHouston

LGW - IAH

LGWIAH

London Gatwick

Wed 4/29

2:00 pm-9:43 am

1 stop25h 43m

Houston George Bush Intcntl

Sun 5/10

7:00 am-10:00 am

1 stop21h 00m

$785

LondonHouston

LGW - IAH

LGWIAH

London Gatwick

Tue 4/21

6:40 am-5:30 pm

2 stops40h 50m

Houston George Bush Intcntl

Mon 4/27

1:41 pm-10:00 am

1 stop14h 19m

$792

LondonHouston

LGW - IAH

LGWIAH

London Gatwick

Mon 4/27

2:00 pm-8:23 am

1 stop24h 23m

Houston George Bush Intcntl

Sat 5/9

9:45 am-10:00 am

1 stop18h 15m

$794

LondonHouston

LGW - IAH

LGWIAH

London Gatwick

Fri 4/17

2:00 pm-8:38 am

1 stop24h 38m

Houston George Bush Intcntl

Fri 4/24

7:04 pm-6:20 am

2 stops29h 16m

$799

LondonHouston

LGW - IAH

LGWIAH

London Gatwick

Mon 4/20

2:00 pm-8:38 am

1 stop24h 38m

Houston George Bush Intcntl

Mon 5/4

1:58 pm-10:00 am

1 stop14h 02m

$801

LondonHouston

LGW - IAH

LGWIAH

London Gatwick

Mon 4/27

2:00 pm-8:23 am

1 stop24h 23m

Houston George Bush Intcntl

Thu 5/7

6:58 pm-6:20 am

1 stop29h 22m

$802

LondonHouston

LGW - IAH

LGWIAH

London Gatwick

Sun 4/26

2:00 pm-1:03 pm

2 stops29h 03m

Houston George Bush Intcntl

Sun 5/10

1:58 pm-10:00 am

1 stop14h 02m

$803
Quickest round-trip

LondonHouston

LGW - IAH

LGWIAH

London Gatwick

Sun 4/19

2:00 pm-7:59 am

2 stops23h 59m

Houston George Bush Intcntl

Sat 5/2

2:01 pm-10:00 am

1 stop13h 59m

$804

LondonHouston

LGW - IAH

LGWIAH

London Gatwick

Mon 4/13

2:00 pm-10:18 am

1 stop26h 18m

Houston George Bush Intcntl

Mon 4/27

7:00 am-10:00 am

1 stop21h 00m

$805

LondonHouston

LGW - IAH

LGWIAH

London Gatwick

Mon 4/20

2:00 pm-8:23 am

1 stop24h 23m

Houston George Bush Intcntl

Mon 5/4

12:32 pm-6:20 am

2 stops35h 48m

$806

Flights are sorted by cheapest round-trip 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?

The cheapest day to depart from London Gatwick Airport to Houston George Bush Intcntl Airport is on a Sunday. Travelers who choose to depart for Houston George Bush Intcntl Airport on a Sunday will often find tickets for as low as $912. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to Houston George Bush Intcntl Airport on Monday is $1,065.

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 at noon. Our users have found flights to Houston George Bush Intcntl Airport at noon for as low as $943. Try not to purchase tickets in the morning because they tend to be around $1,011. Of course, these prices can vary depending on the time of year and what airport you fly to.

Can stopping save me money on London Gatwick Airport to Houston George Bush Intcntl Airport flights?

You could potentially save up to 53% on your flight if you consider stops on a London Gatwick Airport to Houston George Bush Intcntl Airport flight.

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 round-trip 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 00m

Direct flights

None
The fastest flight from London Gatwick Airport to Houston George Bush Intcntl Airport takes 18h 00m
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?

    Houston George Bush Intcntl is 4840.1 mi away from London Gatwick. 18h 00m is a normal flight duration for this route.

  • 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 updated daily.

  • 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 travel and health documents required for your trip to Houston George Bush Intcntl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Houston George Bush Intcntl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Traveling to a place near Houston?

Book flights to Houston if you plan to visit one of these locations
Katy
The Woodlands
Conroe
Humble
Cypress
Spring
Montgomery
Jersey Village
Tomball
Livingston

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from London to Houston. Millions of users trust and use momondo every year so you are in good hands.

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

Yes. momondo enables you to select and highlight flights to Houston from London with this policy.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Houston from London.

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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