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Cheap flights from Houston to London from $375

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 5/17. 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

Enter your travel dates to find the best prices.
Multiple Airlines Logo
11:09 am - 10:00 am
IAH
-
LGW
16h 51m2 stops
Multiple Airlines Logo
2:00 pm - 10:41 pm
LGW
-
IAH
14h 41m1 stop
$606Multiple Airlines
Fri, Feb 13 - Fri, Feb 27
Multiple Airlines Logo
8:16 pm - 10:00 am
IAH
-
LGW
31h 44m1 stop
Multiple Airlines Logo
9:50 am - 11:59 pm
LGW
-
IAH
20h 09m2 stops
$607Multiple Airlines
Wed, Jan 14 - Wed, Mar 4
Multiple Airlines Logo
6:16 pm - 6:00 am
IAH
-
LGW
29h 44m2 stops
Multiple Airlines Logo
2:00 pm - 11:34 pm
LGW
-
IAH
15h 34m1 stop
$609Multiple Airlines
Sun, Jan 18 - Sat, Jan 24
Multiple Airlines Logo
7:05 am - 6:00 am
IAH
-
LGW
16h 55m1 stop
Multiple Airlines Logo
1:00 pm - 4:22 pm
LGW
-
IAH
32h 22m2 stops
$611Multiple Airlines
Wed, Feb 25 - Sun, Mar 8
SWISS Logo
12:10 pm - 5:50 pm
IAH
-
LGW
23h 40m2 stops
SWISS Logo
6:40 pm - 8:05 pm
LGW
-
IAH
31h 25m2 stops
$621SWISS
Mon, Jan 26 - Tue, Feb 3
Air France Logo
10:35 am - 9:25 am
HOU
-
LGW
16h 50m2 stops
Air France Logo
10:25 am - 9:38 pm
LGW
-
HOU
17h 13m2 stops
$781Air France
Wed, Apr 8 - Sun, Apr 19
Iberia Logo
10:15 am - 10:50 am
HOU
-
LGW
18h 35m2 stops
Iberia Logo
7:40 pm - 9:43 am
LGW
-
HOU
19h 03m2 stops
$852Iberia
Tue, Feb 24 - Mon, Mar 9
British Airways Logo
12:47 pm - 7:00 pm
HOU
-
LGW
24h 13m2 stops
British Airways Logo
7:40 pm - 11:57 pm
LGW
-
HOU
34h 17m2 stops
$952British Airways
Sun, Feb 8 - Sat, Feb 14
British Airways Logo
4:55 pm - 7:00 pm
HOU
-
LGW
44h 05m2 stops
British Airways Logo
7:40 pm - 7:55 pm
LGW
-
HOU
30h 15m2 stops
$957British Airways
Sat, Feb 7 - Sat, Feb 14
Iberia Logo
10:35 am - 7:00 pm
HOU
-
LGW
26h 25m2 stops
Iberia Logo
7:40 pm - 10:46 pm
LGW
-
HOU
33h 06m2 stops
$991Iberia
Thu, Jan 22 - Thu, Jan 29

SWISS flights from Houston to London Gatwick Airport

Our best SWISS deals on Houston to London Gatwick Airport flight tickets
SWISS
Jan 26
IAH12:10 pmHouston George Bush Intcntl
23h 40m
2 stops
LGW5:50 pmLondon Gatwick
Feb 3
LGW6:40 pmLondon Gatwick
31h 25m
2 stops
IAH8:05 pmHouston George Bush Intcntl
$621
Find similar
SWISS
Feb 15
IAH12:11 pmHouston George Bush Intcntl
23h 39m
2 stops
LGW5:50 pmLondon Gatwick
Feb 25
LGW6:40 pmLondon Gatwick
31h 39m
2 stops
IAH8:19 pmHouston George Bush Intcntl
$641
Find similar
SWISS
Jan 7
IAH3:55 pmHouston George Bush Intcntl
19h 55m
2 stops
LGW5:50 pmLondon Gatwick
Jan 21
LGW6:40 pmLondon Gatwick
31h 51m
2 stops
IAH8:31 pmHouston George Bush Intcntl
$657
Find similar

Iberia flights from Houston to London Gatwick Airport

Our best Iberia deals on Houston to London Gatwick Airport flight tickets
Iberia
Feb 24
HOU10:15 amHouston Hobby
18h 35m
2 stops
LGW10:50 amLondon Gatwick
Mar 9
LGW7:40 pmLondon Gatwick
19h 03m
2 stops
HOU9:43 amHouston Hobby
$852
Find similar
Iberia
Jan 22
HOU10:35 amHouston Hobby
26h 25m
2 stops
LGW7:00 pmLondon Gatwick
Jan 29
LGW7:40 pmLondon Gatwick
33h 06m
2 stops
HOU10:46 pmHouston Hobby
$991
Find similar
Iberia
Feb 6
HOU12:47 pmHouston Hobby
24h 13m
2 stops
LGW7:00 pmLondon Gatwick
Feb 14
LGW7:40 pmLondon Gatwick
20h 04m
2 stops
HOU9:44 amHouston Hobby
$1,030
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 December 18, 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

Fri 2/13

11:09 am-10:00 am

2 stops16h 51m

London Gatwick

Fri 2/27

2:00 pm-10:41 pm

1 stop14h 41m

$606

HoustonLondon

IAH - LGW

IAHLGW

Houston George Bush Intcntl

Wed 1/14

8:16 pm-10:00 am

1 stop31h 44m

London Gatwick

Wed 3/4

9:50 am-11:59 pm

2 stops20h 09m

$607

HoustonLondon

IAH - LGW

IAHLGW

Houston George Bush Intcntl

Sun 1/18

6:16 pm-6:00 am

2 stops29h 44m

London Gatwick

Sat 1/24

2:00 pm-11:34 pm

1 stop15h 34m

$609

HoustonLondon

IAH - LGW

IAHLGW

Houston George Bush Intcntl

Wed 2/25

7:05 am-6:00 am

1 stop16h 55m

London Gatwick

Sun 3/8

1:00 pm-4:22 pm

2 stops32h 22m

$611

HoustonLondon

IAH - LGW

IAHLGW

Houston George Bush Intcntl

Mon 1/26

12:10 pm-5:50 pm

2 stops23h 40m

London Gatwick

Tue 2/3

6:40 pm-8:05 pm

2 stops31h 25m

$621

HoustonLondon

HOU - LGW

HOULGW

Houston Hobby

Wed 4/8

10:35 am-9:25 am

2 stops16h 50m

London Gatwick

Sun 4/19

10:25 am-9:38 pm

2 stops17h 13m

$781

HoustonLondon

HOU - LGW

HOULGW

Houston Hobby

Tue 2/24

10:15 am-10:50 am

2 stops18h 35m

London Gatwick

Mon 3/9

7:40 pm-9:43 am

2 stops19h 03m

$852

HoustonLondon

HOU - LGW

HOULGW

Houston Hobby

Sun 2/8

12:47 pm-7:00 pm

2 stops24h 13m

London Gatwick

Sat 2/14

7:40 pm-11:57 pm

2 stops34h 17m

$952

HoustonLondon

HOU - LGW

HOULGW

Houston Hobby

Sat 2/7

4:55 pm-7:00 pm

2 stops44h 05m

London Gatwick

Sat 2/14

7:40 pm-7:55 pm

2 stops30h 15m

$957

HoustonLondon

HOU - LGW

HOULGW

Houston Hobby

Thu 1/22

10:35 am-7:00 pm

2 stops26h 25m

London Gatwick

Thu 1/29

7:40 pm-10:46 pm

2 stops33h 06m

$991

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

Fastest flight time

12h 00m

Direct flights

None
The fastest flight from Houston to London Gatwick Airport takes 12h 00m
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 12h 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
11,054 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
Wembley
Watford
Ilford
Cobham
Folkestone
Romford
Richmond
Uxbridge
Stansted

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.

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