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Cheap flights from Houston to London from $242

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 10/7. 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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0 bags

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Find the cheapest flights from Houston to London

Cheap round-trip flights

British Airways Logo
11:20 am - 9:00 amIAH-LGW
15h 40m2 stops
British Airways Logo
11:20 am - 11:34 pmLGW-IAH
18h 14m2 stops
$523British Airways
Find Deal
lun., ene. 26 - mar., feb. 3
Iberia Logo
12:21 pm - 7:00 pmHOU-LGW
24h 39m2 stops
Iberia Logo
11:45 am - 8:38 amLGW-HOU
26h 53m2 stops
$527Iberia
Find Deal
mar., dic. 9 - lun., ene. 19
Iberia Logo
11:00 am - 7:00 pmIAH-LGW
26h 00m2 stops
Iberia Logo
7:40 pm - 8:20 amLGW-IAH
18h 40m2 stops
$527Iberia
Find Deal
mar., dic. 9 - lun., ene. 19
Logo
5:25 am - 7:00 amIAH-LGW
19h 35m1 stop
Logo
10:00 am - 5:54 pmLGW-IAH
13h 54m1 stop
$528
Find Deal
jue., sep. 18 - jue., sep. 25
Logo
5:25 am - 7:00 amIAH-LGW
19h 35m1 stop
Logo
10:00 am - 5:54 pmLGW-IAH
13h 54m1 stop
$532
Find Deal
sáb., sep. 13 - jue., sep. 18
Logo
5:30 am - 10:00 amIAH-LGW
22h 30m1 stop
Logo
2:00 pm - 11:51 amLGW-IAH
27h 51m1 stop
$536
Find Deal
mié., oct. 1 - mié., oct. 8
Iberia Logo
12:21 pm - 7:00 pmHOU-LGW
24h 39m2 stops
Iberia Logo
11:45 am - 8:05 pmLGW-HOU
38h 20m2 stops
$538Iberia
Find Deal
mar., dic. 9 - mié., ene. 14
British Airways Logo
11:16 am - 9:00 amIAH-LGW
15h 44m2 stops
British Airways Logo
11:45 am - 9:16 pmLGW-IAH
39h 31m2 stops
$542British Airways
Find Deal
lun., nov. 17 - lun., nov. 24
American Airlines Logo
11:05 am - 10:40 amIAH-LGW
17h 35m2 stops
American Airlines Logo
12:20 pm - 12:35 amLGW-IAH
18h 15m2 stops
$600American Airlines
Find Deal
sáb., oct. 4 - sáb., oct. 11
American Airlines Logo
9:00 am - 8:10 amIAH-LGW
17h 10m2 stops
American Airlines Logo
12:20 pm - 12:35 amLGW-IAH
18h 15m2 stops
$601American Airlines
Find Deal
sáb., oct. 4 - sáb., oct. 11

Iberia flights from Houston to London Gatwick Airport

Our best Iberia deals on Houston to London Gatwick Airport flight tickets
Iberia
Dec 9
HOU12:21 pmHouston Hobby
24h 39m
2 stops
LGW7:00 pmLondon Gatwick
Jan 19
LGW11:45 amLondon Gatwick
26h 53m
2 stops
HOU8:38 amHouston Hobby
$527
Find similar
Iberia
Dec 9
HOU12:21 pmHouston Hobby
24h 39m
2 stops
LGW7:00 pmLondon Gatwick
Jan 14
LGW11:45 amLondon Gatwick
38h 20m
2 stops
HOU8:05 pmHouston Hobby
$538
Find similar
Iberia
Nov 15
IAH9:28 amHouston George Bush Intcntl
19h 22m
2 stops
LGW10:50 amLondon Gatwick
Dec 3
LGW7:40 pmLondon Gatwick
32h 16m
2 stops
IAH9:56 pmHouston George Bush Intcntl
$567
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
Oct 4
IAH11:05 amHouston George Bush Intcntl
17h 35m
2 stops
LGW10:40 amLondon Gatwick
Oct 11
LGW12:20 pmLondon Gatwick
18h 15m
2 stops
IAH12:35 amHouston George Bush Intcntl
$600
Find similar
American Airlines
Oct 4
IAH9:00 amHouston George Bush Intcntl
17h 10m
2 stops
LGW8:10 amLondon Gatwick
Oct 11
LGW12:20 pmLondon Gatwick
18h 15m
2 stops
IAH12:35 amHouston George Bush Intcntl
$601
Find similar
American Airlines
Oct 4
HOU9:04 amHouston Hobby
17h 31m
2 stops
LGW8:35 amLondon Gatwick
Oct 11
LGW10:40 amLondon Gatwick
17h 34m
2 stops
HOU10:14 pmHouston Hobby
$732
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 agosto 21, 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

lun. 1/26

11:20 am-9:00 am

2 stops15h 40m

London Gatwick

mar. 2/3

11:20 am-11:34 pm

2 stops18h 14m

$523

HoustonLondon

HOU - LGW

HOULGW

Houston Hobby

mar. 12/9

12:21 pm-7:00 pm

2 stops24h 39m

London Gatwick

lun. 1/19

11:45 am-8:38 am

2 stops26h 53m

$527

HoustonLondon

IAH - LGW

IAHLGW

Houston George Bush Intcntl

mar. 12/9

11:00 am-7:00 pm

2 stops26h 00m

London Gatwick

lun. 1/19

7:40 pm-8:20 am

2 stops18h 40m

$527

HoustonLondon

IAH - LGW

IAHLGW

Houston George Bush Intcntl

jue. 9/18

5:25 am-7:00 am

1 stop19h 35m

London Gatwick

jue. 9/25

10:00 am-5:54 pm

1 stop13h 54m

$528

HoustonLondon

IAH - LGW

IAHLGW

Houston George Bush Intcntl

sáb. 9/13

5:25 am-7:00 am

1 stop19h 35m

London Gatwick

jue. 9/18

10:00 am-5:54 pm

1 stop13h 54m

$532

HoustonLondon

IAH - LGW

IAHLGW

Houston George Bush Intcntl

mié. 10/1

5:30 am-10:00 am

1 stop22h 30m

London Gatwick

mié. 10/8

2:00 pm-11:51 am

1 stop27h 51m

$536

HoustonLondon

HOU - LGW

HOULGW

Houston Hobby

mar. 12/9

12:21 pm-7:00 pm

2 stops24h 39m

London Gatwick

mié. 1/14

11:45 am-8:05 pm

2 stops38h 20m

$538

HoustonLondon

IAH - LGW

IAHLGW

Houston George Bush Intcntl

lun. 11/17

11:16 am-9:00 am

2 stops15h 44m

London Gatwick

lun. 11/24

11:45 am-9:16 pm

2 stops39h 31m

$542

HoustonLondon

IAH - LGW

IAHLGW

Houston George Bush Intcntl

sáb. 10/4

11:05 am-10:40 am

2 stops17h 35m

London Gatwick

sáb. 10/11

12:20 pm-12:35 am

2 stops18h 15m

$600

HoustonLondon

IAH - LGW

IAHLGW

Houston George Bush Intcntl

sáb. 10/4

9:00 am-8:10 am

2 stops17h 10m

London Gatwick

sáb. 10/11

12:20 pm-12:35 am

2 stops18h 15m

$601

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 30m 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
Hounslow
Gatwick
Luton
Dover
Slough
Milton Keynes
Guildford
Dartford
Crawley
Hayes
Chelmsford
Stansted
Brentwood
Ilford
Folkestone
Colchester
Watford
Richmond
Canterbury
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

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