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Cheap flights from Houston to London from $342

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 4/14. 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
8:35 pm - 10:00 amIAH-LGW
31h 25m1 stop
Multiple Airlines Logo
2:00 pm - 9:15 amLGW-IAH
25h 15m1 stop
$566Multiple Airlines
Find Deal
dom., nov. 23 - jue., dic. 4
American Airlines Logo
6:00 am - 7:30 amIAH-LGW
19h 30m2 stops
American Airlines Logo
11:20 am - 10:21 amLGW-IAH
29h 01m2 stops
$567American Airlines
Find Deal
lun., ene. 26 - mar., feb. 3
American Airlines Logo
9:35 am - 9:00 amIAH-LGW
17h 25m2 stops
American Airlines Logo
11:20 am - 10:21 amLGW-IAH
29h 01m2 stops
$568American Airlines
Find Deal
lun., ene. 26 - mar., feb. 3
Multiple Airlines Logo
12:16 pm - 10:00 amIAH-LGW
15h 44m1 stop
Multiple Airlines Logo
2:00 pm - 11:11 amLGW-IAH
27h 11m1 stop
$569Multiple Airlines
Find Deal
dom., ene. 11 - lun., ene. 12
Multiple Airlines Logo
12:06 pm - 10:00 amIAH-LGW
15h 54m1 stop
Multiple Airlines Logo
2:00 pm - 10:40 pmLGW-IAH
38h 40m2 stops
$570Multiple Airlines
Find Deal
lun., ene. 12 - vie., feb. 20
Multiple Airlines Logo
6:30 am - 10:00 amIAH-LGW
21h 30m2 stops
Multiple Airlines Logo
2:00 pm - 8:57 amLGW-IAH
24h 57m2 stops
$578Multiple Airlines
Find Deal
dom., ene. 11 - vie., ene. 23
American Airlines Logo
11:18 am - 9:00 amIAH-LGW
15h 42m2 stops
American Airlines Logo
11:20 am - 12:09 amLGW-IAH
18h 49m2 stops
$607American Airlines
Find Deal
mié., dic. 3 - mié., dic. 10
Iberia Logo
6:31 pm - 8:00 pmHOU-LGW
19h 29m2 stops
Iberia Logo
8:40 pm - 8:02 pmLGW-HOU
29h 22m2 stops
$1,227Iberia
Find Deal
mié., abr. 8 - dom., abr. 19
Iberia Logo
6:31 pm - 10:55 amHOU-LGW
34h 24m2 stops
Iberia Logo
8:40 pm - 8:02 pmLGW-HOU
29h 22m2 stops
$1,246Iberia
Find Deal
mié., abr. 8 - dom., abr. 19
Iberia Logo
10:21 am - 10:50 amHOU-LGW
19h 29m2 stops
Iberia Logo
11:45 am - 9:23 amLGW-HOU
26h 38m2 stops
$1,374Iberia
Find Deal
sáb., mar. 21 - vie., mar. 27

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 26
IAH6:00 amHouston George Bush Intcntl
19h 30m
2 stops
LGW7:30 amLondon Gatwick
Feb 3
LGW11:20 amLondon Gatwick
29h 01m
2 stops
IAH10:21 amHouston George Bush Intcntl
$567
Find similar
American Airlines
Jan 26
IAH9:35 amHouston George Bush Intcntl
17h 25m
2 stops
LGW9:00 amLondon Gatwick
Feb 3
LGW11:20 amLondon Gatwick
29h 01m
2 stops
IAH10:21 amHouston George Bush Intcntl
$568
Find similar
American Airlines
Dec 3
IAH11:18 amHouston George Bush Intcntl
15h 42m
2 stops
LGW9:00 amLondon Gatwick
Dec 10
LGW11:20 amLondon Gatwick
18h 49m
2 stops
IAH12:09 amHouston George Bush Intcntl
$607
Find similar

Iberia flights from Houston to London Gatwick Airport

Our best Iberia deals on Houston to London Gatwick Airport flight tickets
Iberia
Nov 14
IAH2:24 pmHouston George Bush Intcntl
38h 26m
2 stops
LGW10:50 amLondon Gatwick
Nov 23
LGW11:20 amLondon Gatwick
19h 18m
2 stops
IAH12:38 amHouston George Bush Intcntl
$1,037
Find similar
Iberia
Apr 8
HOU6:31 pmHouston Hobby
19h 29m
2 stops
LGW8:00 pmLondon Gatwick
Apr 19
LGW8:40 pmLondon Gatwick
29h 22m
2 stops
HOU8:02 pmHouston Hobby
$1,227
Find similar
Iberia
Apr 8
HOU6:31 pmHouston Hobby
34h 24m
2 stops
LGW10:55 amLondon Gatwick
Apr 19
LGW8:40 pmLondon Gatwick
29h 22m
2 stops
HOU8:02 pmHouston Hobby
$1,246
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 noviembre 6, 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

dom. 11/23

8:35 pm-10:00 am

1 stop31h 25m

London Gatwick

jue. 12/4

2:00 pm-9:15 am

1 stop25h 15m

$566

HoustonLondon

IAH - LGW

IAHLGW

Houston George Bush Intcntl

lun. 1/26

6:00 am-7:30 am

2 stops19h 30m

London Gatwick

mar. 2/3

11:20 am-10:21 am

2 stops29h 01m

$567

HoustonLondon

IAH - LGW

IAHLGW

Houston George Bush Intcntl

lun. 1/26

9:35 am-9:00 am

2 stops17h 25m

London Gatwick

mar. 2/3

11:20 am-10:21 am

2 stops29h 01m

$568

HoustonLondon

IAH - LGW

IAHLGW

Houston George Bush Intcntl

dom. 1/11

12:16 pm-10:00 am

1 stop15h 44m

London Gatwick

lun. 1/12

2:00 pm-11:11 am

1 stop27h 11m

$569

HoustonLondon

IAH - LGW

IAHLGW

Houston George Bush Intcntl

lun. 1/12

12:06 pm-10:00 am

1 stop15h 54m

London Gatwick

vie. 2/20

2:00 pm-10:40 pm

2 stops38h 40m

$570

HoustonLondon

IAH - LGW

IAHLGW

Houston George Bush Intcntl

dom. 1/11

6:30 am-10:00 am

2 stops21h 30m

London Gatwick

vie. 1/23

2:00 pm-8:57 am

2 stops24h 57m

$578

HoustonLondon

IAH - LGW

IAHLGW

Houston George Bush Intcntl

mié. 12/3

11:18 am-9:00 am

2 stops15h 42m

London Gatwick

mié. 12/10

11:20 am-12:09 am

2 stops18h 49m

$607

HoustonLondon

HOU - LGW

HOULGW

Houston Hobby

mié. 4/8

6:31 pm-8:00 pm

2 stops19h 29m

London Gatwick

dom. 4/19

8:40 pm-8:02 pm

2 stops29h 22m

$1,227

HoustonLondon

HOU - LGW

HOULGW

Houston Hobby

mié. 4/8

6:31 pm-10:55 am

2 stops34h 24m

London Gatwick

dom. 4/19

8:40 pm-8:02 pm

2 stops29h 22m

$1,246

HoustonLondon

HOU - LGW

HOULGW

Houston Hobby

sáb. 3/21

10:21 am-10:50 am

2 stops19h 29m

London Gatwick

vie. 3/27

11:45 am-9:23 am

2 stops26h 38m

$1,374

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 $551Free CancellationRating
7.2
11,040 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.

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