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Cheap flights from Houston to London from $373

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 12/9. 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

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:25 am - 10:00 am
IAH
-
LGW
21h 35m2 stops
Multiple Airlines Logo
2:00 pm - 11:34 pm
LGW
-
IAH
15h 34m1 stop
$599Multiple Airlines
Fri, Jan 23 - Mon, Jan 26
Multiple Airlines Logo
12:10 pm - 2:00 pm
IAH
-
LGW
19h 50m2 stops
Multiple Airlines Logo
8:35 am - 2:10 pm
LGW
-
IAH
35h 35m2 stops
$605Multiple Airlines
Wed, Feb 18 - Mon, Feb 23
Multiple Airlines Logo
12:16 pm - 10:00 am
IAH
-
LGW
15h 44m1 stop
Multiple Airlines Logo
2:00 pm - 11:34 pm
LGW
-
IAH
15h 34m1 stop
$610Multiple Airlines
Mon, Jan 26 - Fri, Feb 6
Multiple Airlines Logo
6:30 am - 6:00 am
IAH
-
LGW
41h 30m2 stops
Multiple Airlines Logo
1:00 pm - 12:16 pm
LGW
-
IAH
29h 16m1 stop
$612Multiple Airlines
Tue, Feb 17 - Tue, Feb 24
American Airlines Logo
6:00 am - 7:30 am
IAH
-
LGW
19h 30m2 stops
American Airlines Logo
11:20 am - 11:59 pm
LGW
-
IAH
18h 39m2 stops
$619American Airlines
Fri, Jan 16 - Fri, Jan 23
Multiple Airlines Logo
6:25 am - 10:00 am
IAH
-
LGW
21h 35m2 stops
Multiple Airlines Logo
8:30 am - 5:18 pm
LGW
-
IAH
38h 48m3 stops
$620Multiple Airlines
Mon, Jan 26 - Tue, Feb 3
SWISS Logo
12:10 pm - 5:50 pm
IAH
-
LGW
23h 40m2 stops
SWISS Logo
6:40 pm - 2:40 pm
LGW
-
IAH
26h 00m2 stops
$632SWISS
Wed, Jan 21 - Thu, Jan 29
Iberia Logo
10:35 am - 10:50 am
HOU
-
LGW
18h 15m2 stops
Iberia Logo
7:40 pm - 10:05 am
LGW
-
HOU
20h 25m2 stops
$794Iberia
Thu, Jan 22 - Mon, Jan 26
Iberia Logo
10:35 am - 10:50 am
HOU
-
LGW
18h 15m2 stops
Iberia Logo
11:45 am - 10:05 am
LGW
-
HOU
52h 20m2 stops
$802Iberia
Sat, Jan 24 - Thu, Jan 29
American Airlines Logo
9:04 am - 9:00 am
HOU
-
LGW
17h 56m2 stops
American Airlines Logo
11:20 am - 4:12 pm
LGW
-
HOU
34h 52m2 stops
$880American Airlines
Mon, Jan 26 - Fri, Jan 30

American Airlines flights from Houston to London Gatwick Airport

Our best American Airlines deals on Houston to London Gatwick Airport flight tickets
American Airlines
Jan 16
IAH6:00 amHouston George Bush Intcntl
19h 30m
2 stops
LGW7:30 amLondon Gatwick
Jan 23
LGW11:20 amLondon Gatwick
18h 39m
2 stops
IAH11:59 pmHouston George Bush Intcntl
$619
Find similar
American Airlines
Jan 26
HOU9:04 amHouston Hobby
17h 56m
2 stops
LGW9:00 amLondon Gatwick
Jan 30
LGW11:20 amLondon Gatwick
34h 52m
2 stops
HOU4:12 pmHouston Hobby
$880
Find similar
American Airlines
Dec 23
HOU5:40 amHouston Hobby
19h 50m
2 stops
LGW7:30 amLondon Gatwick
Jan 15
LGW11:20 amLondon Gatwick
28h 45m
2 stops
HOU10:05 amHouston Hobby
$1,106
Find similar

SWISS flights from Houston to London Gatwick Airport

Our best SWISS deals on Houston to London Gatwick Airport flight tickets
SWISS
Jan 21
IAH12:10 pmHouston George Bush Intcntl
23h 40m
2 stops
LGW5:50 pmLondon Gatwick
Jan 29
LGW6:40 pmLondon Gatwick
26h 00m
2 stops
IAH2:40 pmHouston George Bush Intcntl
$632
Find similar
SWISS
Jan 21
IAH12:10 pmHouston George Bush Intcntl
23h 40m
2 stops
LGW5:50 pmLondon Gatwick
Jan 26
LGW6:40 pmLondon Gatwick
31h 51m
2 stops
IAH8:31 pmHouston George Bush Intcntl
$639
Find similar
SWISS
Feb 8
IAH3:55 pmHouston George Bush Intcntl
19h 55m
2 stops
LGW5:50 pmLondon Gatwick
Feb 24
LGW6:40 pmLondon Gatwick
31h 39m
2 stops
IAH8:19 pmHouston George Bush Intcntl
$655
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 4, 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 1/23

6:25 am-10:00 am

2 stops21h 35m

London Gatwick

Mon 1/26

2:00 pm-11:34 pm

1 stop15h 34m

$599

HoustonLondon

IAH - LGW

IAHLGW

Houston George Bush Intcntl

Wed 2/18

12:10 pm-2:00 pm

2 stops19h 50m

London Gatwick

Mon 2/23

8:35 am-2:10 pm

2 stops35h 35m

$605

HoustonLondon

IAH - LGW

IAHLGW

Houston George Bush Intcntl

Mon 1/26

12:16 pm-10:00 am

1 stop15h 44m

London Gatwick

Fri 2/6

2:00 pm-11:34 pm

1 stop15h 34m

$610

HoustonLondon

IAH - LGW

IAHLGW

Houston George Bush Intcntl

Tue 2/17

6:30 am-6:00 am

2 stops41h 30m

London Gatwick

Tue 2/24

1:00 pm-12:16 pm

1 stop29h 16m

$612

HoustonLondon

IAH - LGW

IAHLGW

Houston George Bush Intcntl

Fri 1/16

6:00 am-7:30 am

2 stops19h 30m

London Gatwick

Fri 1/23

11:20 am-11:59 pm

2 stops18h 39m

$619

HoustonLondon

IAH - LGW

IAHLGW

Houston George Bush Intcntl

Mon 1/26

6:25 am-10:00 am

2 stops21h 35m

London Gatwick

Tue 2/3

8:30 am-5:18 pm

3 stops38h 48m

$620

HoustonLondon

IAH - LGW

IAHLGW

Houston George Bush Intcntl

Wed 1/21

12:10 pm-5:50 pm

2 stops23h 40m

London Gatwick

Thu 1/29

6:40 pm-2:40 pm

2 stops26h 00m

$632

HoustonLondon

HOU - LGW

HOULGW

Houston Hobby

Thu 1/22

10:35 am-10:50 am

2 stops18h 15m

London Gatwick

Mon 1/26

7:40 pm-10:05 am

2 stops20h 25m

$794

HoustonLondon

HOU - LGW

HOULGW

Houston Hobby

Sat 1/24

10:35 am-10:50 am

2 stops18h 15m

London Gatwick

Thu 1/29

11:45 am-10:05 am

2 stops52h 20m

$802

HoustonLondon

HOU - LGW

HOULGW

Houston Hobby

Mon 1/26

9:04 am-9:00 am

2 stops17h 56m

London Gatwick

Fri 1/30

11:20 am-4:12 pm

2 stops34h 52m

$880

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 13h 07m 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
11,047 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
Romford
Watford
Ilford
Cobham
Folkestone
Uxbridge
Stansted
Chelmsford

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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