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Cheap flights from Houston to London from $289

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 1/9. 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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Cheap round-trip flights

Multiple Airlines Logo
5:48 pm - 10:00 amIAH-LGW
34h 12m1 stop
Multiple Airlines Logo
2:00 pm - 11:51 amLGW-IAH
27h 51m1 stop
$515Multiple Airlines
Find Deal
Wed, Oct 1 - Wed, Oct 8
Multiple Airlines Logo
12:17 pm - 10:00 amIAH-LGW
15h 43m1 stop
Multiple Airlines Logo
2:00 pm - 11:13 pmLGW-IAH
15h 13m1 stop
$518Multiple Airlines
Find Deal
Fri, Dec 12 - Mon, Jan 12
Multiple Airlines Logo
4:36 pm - 10:00 amIAH-LGW
35h 24m1 stop
Multiple Airlines Logo
2:00 pm - 9:33 amLGW-IAH
25h 33m1 stop
$520Multiple Airlines
Find Deal
Wed, Oct 1 - Fri, Nov 14
American Airlines Logo
12:09 pm - 10:40 amIAH-LGW
16h 31m2 stops
American Airlines Logo
12:20 pm - 12:35 amLGW-IAH
18h 15m2 stops
$601American Airlines
Find Deal
Sat, Oct 4 - Sat, Oct 11
American Airlines Logo
9:02 am - 9:00 amHOU-LGW
17h 58m2 stops
American Airlines Logo
12:30 pm - 9:24 amLGW-HOU
26h 54m2 stops
$611American Airlines
Find Deal
Wed, Dec 10 - Sun, Jan 11
American Airlines Logo
10:15 am - 8:35 amHOU-LGW
16h 20m2 stops
American Airlines Logo
10:40 am - 10:14 pmLGW-HOU
17h 34m2 stops
$621American Airlines
Find Deal
Wed, Oct 1 - Tue, Oct 7
Iberia Logo
10:13 am - 10:50 amHOU-LGW
18h 37m2 stops
Iberia Logo
7:40 pm - 8:05 pmLGW-HOU
30h 25m2 stops
$767Iberia
Find Deal
Sun, Dec 7 - Wed, Jan 14
American Airlines Logo
10:03 am - 9:00 amHOU-LGW
17h 57m2 stops
American Airlines Logo
12:30 pm - 11:57 pmLGW-HOU
17h 27m2 stops
$830American Airlines
Find Deal
Thu, Oct 30 - Thu, Nov 6
Iberia Logo
10:08 am - 7:00 pmHOU-LGW
26h 52m2 stops
Iberia Logo
11:45 am - 8:05 pmLGW-HOU
38h 20m2 stops
$847Iberia
Find Deal
Tue, Dec 9 - Wed, Jan 14
Iberia Logo
10:13 am - 7:00 pmHOU-LGW
26h 47m2 stops
Iberia Logo
7:40 pm - 8:05 pmLGW-HOU
30h 25m2 stops
$897Iberia
Find Deal
Thu, Dec 11 - Mon, Jan 12

American Airlines flights from Houston to London Gatwick Airport

Our best American Airlines deals on Houston to London Gatwick Airport flight tickets
American Airlines
Sep 24
IAH9:00 amHouston George Bush Intcntl
15h 35m
2 stops
LGW6:35 amLondon Gatwick
Sep 29
LGW10:40 amLondon Gatwick
19h 16m
2 stops
IAH11:56 pmHouston George Bush Intcntl
$551
Find similar
American Airlines
Oct 4
IAH12:09 pmHouston George Bush Intcntl
16h 31m
2 stops
LGW10:40 amLondon Gatwick
Oct 11
LGW12:20 pmLondon Gatwick
18h 15m
2 stops
IAH12:35 amHouston George Bush Intcntl
$601
Find similar
American Airlines
Dec 10
HOU9:02 amHouston Hobby
17h 58m
2 stops
LGW9:00 amLondon Gatwick
Jan 11
LGW12:30 pmLondon Gatwick
26h 54m
2 stops
HOU9:24 amHouston Hobby
$611
Find similar

JetBlue flights from Houston to London Gatwick Airport

Our best JetBlue deals on Houston to London Gatwick Airport flight tickets
JetBlue
Sep 26
IAH2:35 pmHouston George Bush Intcntl
13h 00m
1 stop
LGW9:35 amLondon Gatwick
Sep 29
LGW12:10 pmLondon Gatwick
31h 30m
1 stop
IAH1:40 pmHouston George Bush Intcntl
$753
Find similar
JetBlue
Sep 22
IAH2:35 pmHouston George Bush Intcntl
13h 00m
1 stop
LGW9:35 amLondon Gatwick
Oct 7
LGW12:10 pmLondon Gatwick
31h 40m
1 stop
IAH1:50 pmHouston George Bush Intcntl
$758
Find similar
JetBlue
Sep 26
IAH2:35 pmHouston George Bush Intcntl
13h 00m
1 stop
LGW9:35 amLondon Gatwick
Oct 3
LGW12:10 pmLondon Gatwick
31h 30m
1 stop
IAH1:40 pmHouston George Bush Intcntl
$776
Find similar

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 September 17, 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

Wed 10/1

5:48 pm-10:00 am

1 stop34h 12m

London Gatwick

Wed 10/8

2:00 pm-11:51 am

1 stop27h 51m

$515

HoustonLondon

IAH - LGW

IAHLGW

Houston George Bush Intcntl

Fri 12/12

12:17 pm-10:00 am

1 stop15h 43m

London Gatwick

Mon 1/12

2:00 pm-11:13 pm

1 stop15h 13m

$518

HoustonLondon

IAH - LGW

IAHLGW

Houston George Bush Intcntl

Wed 10/1

4:36 pm-10:00 am

1 stop35h 24m

London Gatwick

Fri 11/14

2:00 pm-9:33 am

1 stop25h 33m

$520

HoustonLondon

IAH - LGW

IAHLGW

Houston George Bush Intcntl

Sat 10/4

12:09 pm-10:40 am

2 stops16h 31m

London Gatwick

Sat 10/11

12:20 pm-12:35 am

2 stops18h 15m

$601

HoustonLondon

HOU - LGW

HOULGW

Houston Hobby

Wed 12/10

9:02 am-9:00 am

2 stops17h 58m

London Gatwick

Sun 1/11

12:30 pm-9:24 am

2 stops26h 54m

$611

HoustonLondon

HOU - LGW

HOULGW

Houston Hobby

Wed 10/1

10:15 am-8:35 am

2 stops16h 20m

London Gatwick

Tue 10/7

10:40 am-10:14 pm

2 stops17h 34m

$621

HoustonLondon

HOU - LGW

HOULGW

Houston Hobby

Sun 12/7

10:13 am-10:50 am

2 stops18h 37m

London Gatwick

Wed 1/14

7:40 pm-8:05 pm

2 stops30h 25m

$767

HoustonLondon

HOU - LGW

HOULGW

Houston Hobby

Thu 10/30

10:03 am-9:00 am

2 stops17h 57m

London Gatwick

Thu 11/6

12:30 pm-11:57 pm

2 stops17h 27m

$830

HoustonLondon

HOU - LGW

HOULGW

Houston Hobby

Tue 12/9

10:08 am-7:00 pm

2 stops26h 52m

London Gatwick

Wed 1/14

11:45 am-8:05 pm

2 stops38h 20m

$847

HoustonLondon

HOU - LGW

HOULGW

Houston Hobby

Thu 12/11

10:13 am-7:00 pm

2 stops26h 47m

London Gatwick

Mon 1/12

7:40 pm-8:05 pm

2 stops30h 25m

$897

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.
Search flight deals

  • 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 $498Free CancellationRating
7.2
10,000 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
Dover
Luton
Slough
Milton Keynes
Hayes
Guildford
Dartford
Crawley
Stansted
Chelmsford
Brentwood
Ilford
Folkestone
Colchester
Watford
Wembley
Richmond
Croydon

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

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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