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Cheap flights from Houston to London from $337

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Houston to London departing on 11/25. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
8:19 pm - 10:00 amIAH-LGW
31h 41m1 stop
Multiple Airlines Logo
1:00 pm - 5:10 pmLGW-IAH
34h 10m2 stops
$601Multiple Airlines
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Thu, Jan 22 - Sun, Feb 8
Multiple Airlines Logo
8:30 am - 6:35 pmIAH-LGW
28h 05m3 stops
Multiple Airlines Logo
2:00 pm - 10:41 pmLGW-IAH
14h 41m1 stop
$604Multiple Airlines
Find Deal
Wed, Jan 28 - Mon, Feb 2
Multiple Airlines Logo
12:16 pm - 10:00 amIAH-LGW
15h 44m1 stop
Multiple Airlines Logo
6:30 pm - 5:30 pmLGW-IAH
53h 00m2 stops
$611Multiple Airlines
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Mon, Feb 9 - Sun, Feb 15
Multiple Airlines Logo
6:30 am - 10:05 amIAH-LGW
21h 35m2 stops
Multiple Airlines Logo
2:00 pm - 4:09 pmLGW-IAH
32h 09m2 stops
$615Multiple Airlines
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Sat, Jan 17 - Sat, Jan 24
Multiple Airlines Logo
11:55 am - 7:45 pmIAH-LGW
25h 50m2 stops
Multiple Airlines Logo
6:55 pm - 2:35 pmLGW-IAH
25h 40m2 stops
$616Multiple Airlines
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Fri, Nov 28 - Wed, Dec 3
Multiple Airlines Logo
11:49 am - 10:00 amIAH-LGW
16h 11m1 stop
Multiple Airlines Logo
1:00 pm - 12:16 pmLGW-IAH
29h 16m1 stop
$618Multiple Airlines
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Thu, Feb 19 - Tue, Feb 24
Multiple Airlines Logo
8:19 pm - 10:00 amIAH-LGW
31h 41m1 stop
Multiple Airlines Logo
1:00 pm - 3:15 pmLGW-IAH
32h 15m1 stop
$625Multiple Airlines
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Thu, Jan 22 - Sun, Feb 8
American Airlines Logo
10:35 am - 9:00 amHOU-LGW
16h 25m2 stops
American Airlines Logo
12:20 pm - 11:41 pmLGW-HOU
17h 21m2 stops
$711American Airlines
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Sun, Feb 8 - Sat, Apr 25
Iberia Logo
12:15 pm - 7:00 pmHOU-LGW
24h 45m2 stops
Iberia Logo
11:45 am - 8:18 pmLGW-HOU
38h 33m2 stops
$1,312Iberia
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Wed, Nov 19 - Thu, Dec 11
Iberia Logo
12:15 pm - 7:00 pmHOU-LGW
24h 45m2 stops
Iberia Logo
11:45 am - 7:47 pmLGW-HOU
38h 02m2 stops
$1,407Iberia
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Wed, Nov 19 - Wed, Dec 10

SWISS flights from Houston to London Gatwick Airport

Our best SWISS deals on Houston to London Gatwick Airport flight tickets
SWISS
Mar 4
IAH12:05 pmHouston George Bush Intcntl
23h 45m
2 stops
LGW5:50 pmLondon Gatwick
Mar 16
LGW6:40 pmLondon Gatwick
30h 38m
2 stops
IAH8:18 pmHouston George Bush Intcntl
$639
Find similar
SWISS
Mar 4
IAH12:05 pmHouston George Bush Intcntl
23h 45m
2 stops
LGW5:50 pmLondon Gatwick
Mar 11
LGW6:40 pmLondon Gatwick
26h 00m
2 stops
IAH3:40 pmHouston George Bush Intcntl
$649
Find similar
SWISS
Jan 7
IAH3:55 pmHouston George Bush Intcntl
19h 55m
2 stops
LGW5:50 pmLondon Gatwick
Jan 14
LGW6:40 pmLondon Gatwick
26h 00m
2 stops
IAH2:40 pmHouston George Bush Intcntl
$664
Find similar

American Airlines flights from Houston to London Gatwick Airport

Our best American Airlines deals on Houston to London Gatwick Airport flight tickets
American Airlines
Feb 8
IAH8:00 amHouston George Bush Intcntl
19h 00m
2 stops
LGW9:00 amLondon Gatwick
Apr 25
LGW12:20 pmLondon Gatwick
17h 24m
2 stops
IAH11:44 pmHouston George Bush Intcntl
$662
Find similar
American Airlines
Feb 8
HOU10:35 amHouston Hobby
16h 25m
2 stops
LGW9:00 amLondon Gatwick
Apr 25
LGW12:20 pmLondon Gatwick
17h 21m
2 stops
HOU11:41 pmHouston Hobby
$711
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momondo Fare Finder

 
Customize your flight search to find flights from Houston to London Gatwick 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 November 16, 2025.
Use the filters below to find and compare flights from Houston to London Gatwick Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

HoustonLondon

IAH - LGW

IAHLGW

Houston George Bush Intcntl

Thu 1/22

8:19 pm-10:00 am

1 stop31h 41m

London Gatwick

Sun 2/8

1:00 pm-5:10 pm

2 stops34h 10m

$601

HoustonLondon

IAH - LGW

IAHLGW

Houston George Bush Intcntl

Wed 1/28

8:30 am-6:35 pm

3 stops28h 05m

London Gatwick

Mon 2/2

2:00 pm-10:41 pm

1 stop14h 41m

$604

HoustonLondon

IAH - LGW

IAHLGW

Houston George Bush Intcntl

Mon 2/9

12:16 pm-10:00 am

1 stop15h 44m

London Gatwick

Sun 2/15

6:30 pm-5:30 pm

2 stops53h 00m

$611

HoustonLondon

IAH - LGW

IAHLGW

Houston George Bush Intcntl

Sat 1/17

6:30 am-10:05 am

2 stops21h 35m

London Gatwick

Sat 1/24

2:00 pm-4:09 pm

2 stops32h 09m

$615

HoustonLondon

IAH - LGW

IAHLGW

Houston George Bush Intcntl

Fri 11/28

11:55 am-7:45 pm

2 stops25h 50m

London Gatwick

Wed 12/3

6:55 pm-2:35 pm

2 stops25h 40m

$616

HoustonLondon

IAH - LGW

IAHLGW

Houston George Bush Intcntl

Thu 2/19

11:49 am-10:00 am

1 stop16h 11m

London Gatwick

Tue 2/24

1:00 pm-12:16 pm

1 stop29h 16m

$618

HoustonLondon

IAH - LGW

IAHLGW

Houston George Bush Intcntl

Thu 1/22

8:19 pm-10:00 am

1 stop31h 41m

London Gatwick

Sun 2/8

1:00 pm-3:15 pm

1 stop32h 15m

$625

HoustonLondon

HOU - LGW

HOULGW

Houston Hobby

Sun 2/8

10:35 am-9:00 am

2 stops16h 25m

London Gatwick

Sat 4/25

12:20 pm-11:41 pm

2 stops17h 21m

$711

HoustonLondon

HOU - LGW

HOULGW

Houston Hobby

Wed 11/19

12:15 pm-7:00 pm

2 stops24h 45m

London Gatwick

Thu 12/11

11:45 am-8:18 pm

2 stops38h 33m

$1,312

HoustonLondon

HOU - LGW

HOULGW

Houston Hobby

Wed 11/19

12:15 pm-7:00 pm

2 stops24h 45m

London Gatwick

Wed 12/10

11:45 am-7:47 pm

2 stops38h 02m

$1,407

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 London from

How to get the cheapest flight ticket from Houston to London Gatwick 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 London Gatwick Airport?

The cheapest day to depart from Houston to London Gatwick Airport is on a Wednesday when prices can be found for as low as $779. Be sure to avoid booking your departure on a Friday as prices are generally higher than usual. According to our data, the average ticket price to London Gatwick Airport on Friday is $1,073.

What is the cheapest time of day to depart on your flight to London Gatwick Airport?

Flying to London Gatwick Airport from Houston in the morning is the least expensive time of day to depart. momondo users have found prices as low as $795 when looking at flights departing in the morning. At noon is when there is more demand to fly to London Gatwick Airport, so prices are often more expensive at around $1,082 per ticket.

Cheap Houston to London Gatwick Airport flight deals and tips

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

Direct flights

None
There are no direct flights from Houston to London Gatwick Airport. There are no popular flight routes from Houston to London Gatwick Airport.
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  • How far is Houston to London Gatwick by plane?

    The straight-line distance from Houston to London Gatwick is 4852.9 mi. Typically, this will take 14h 00m by plane in normal conditions.

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

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

  • How many operators does momondo search for flights from Houston to London Gatwick Airport?

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Houston to London Gatwick Airport.

  • What documentation or ID do you need to fly to London Gatwick Airport?

    The travel and health documents required for your trip to London Gatwick 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 London Gatwick Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Houston to London Gatwick Airport

Compare and see reviews for airlines that fly from Houston to London Gatwick Airport with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $551Free CancellationRating
7.2
11,050 reviews
Search American Airlines flights

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Gatwick
Hounslow
Milton Keynes
Dover
Luton
Slough
Guildford
Hayes
Dartford
Crawley
Brentwood
Chelmsford
Wembley
Folkestone
Romford
Ilford
Cobham
Stansted
Harrow
Watford

Why use momondo?

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

It is quick and easy to find Houston to London flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to London that suits you.

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

momondo does allow users to show only those flights to London from Houston which offer a flexible booking policy as well as other useful filters and features.

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

Once you have performed a search for Houston to London 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 Houston to London right now. Can momondo alert me if prices change?

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

An easier way to manage your London Gatwick Airport trip

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