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Cheap flights from Houston George Bush Intcntl Airport to London from $179

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 George Bush Intcntl Airport to London departing on 3/25. 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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Find the cheapest flights from Houston George Bush Intcntl Airport to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
12:46 pm - 10:00 am
IAH
-
LGW
15h 14m
1 stop
Multiple Airlines Logo
2:00 pm - 8:38 am
LGW
-
IAH
24h 38m
1 stop
$626Multiple Airlines
Tue, Mar 31 - Mon, Apr 20
Multiple Airlines Logo
5:15 am - 10:00 am
IAH
-
LGW
23h 45m
2 stops
Multiple Airlines Logo
6:50 am - 8:23 am
LGW
-
IAH
31h 33m
3 stops
$627Multiple Airlines
Tue, Mar 24 - Mon, Apr 27
Multiple Airlines Logo
6:05 am - 6:20 am
IAH
-
LGW
42h 15m
2 stops
Multiple Airlines Logo
2:00 pm - 8:38 am
LGW
-
IAH
24h 38m
1 stop
$630Multiple Airlines
Wed, Apr 22 - Mon, May 4
Multiple Airlines Logo
7:35 am - 10:00 am
IAH
-
LGW
21h 25m
2 stops
Multiple Airlines Logo
2:00 pm - 10:37 pm
LGW
-
IAH
14h 37m
1 stop
$633Multiple Airlines
Thu, Mar 26 - Thu, Apr 9
Multiple Airlines Logo
3:31 pm - 6:20 am
IAH
-
LGW
32h 49m
1 stop
Multiple Airlines Logo
2:00 pm - 8:38 am
LGW
-
IAH
24h 38m
1 stop
$634Multiple Airlines
Wed, Apr 22 - Mon, May 4
Multiple Airlines Logo
12:10 pm - 3:35 pm
IAH
-
LGW
22h 25m
2 stops
Multiple Airlines Logo
4:45 pm - 8:29 pm
LGW
-
IAH
33h 44m
3 stops
$638Multiple Airlines
Mon, Mar 16 - Tue, Mar 31
Multiple Airlines Logo
8:00 am - 10:00 am
IAH
-
LGW
21h 00m
1 stop
Multiple Airlines Logo
2:00 pm - 10:18 am
LGW
-
IAH
26h 18m
1 stop
$641Multiple Airlines
Mon, Mar 23 - Tue, Apr 7
Multiple Airlines Logo
12:10 pm - 7:25 pm
IAH
-
LGW
26h 15m
2 stops
Multiple Airlines Logo
5:20 pm - 9:39 pm
LGW
-
IAH
33h 19m
3 stops
$642Multiple Airlines
Mon, Mar 16 - Tue, Mar 24
Multiple Airlines Logo
4:30 pm - 10:00 am
IAH
-
LGW
12h 30m
1 stop
Multiple Airlines Logo
2:00 pm - 10:37 pm
LGW
-
IAH
14h 37m
1 stop
$643Multiple Airlines
Thu, Mar 26 - Fri, Apr 10
Multiple Airlines Logo
11:16 am - 10:00 am
IAH
-
LGW
17h 44m
1 stop
Multiple Airlines Logo
2:00 pm - 7:29 am
LGW
-
IAH
23h 29m
2 stops
$644Multiple Airlines
Sat, Mar 28 - Wed, Apr 8

Delta flights from Houston George Bush Intcntl Airport to London Gatwick Airport

Our best Delta deals on Houston George Bush Intcntl Airport to London Gatwick Airport flight tickets
Delta
Apr 6
IAH3:50 pmHouston George Bush Intcntl
18h 10m
1 stop
LGW4:00 pmLondon Gatwick
Apr 15
LGW10:25 amLondon Gatwick
19h 34m
2 stops
IAH11:59 pmHouston George Bush Intcntl
$660
Delta
Apr 21
IAH3:50 pmHouston George Bush Intcntl
18h 10m
1 stop
LGW4:00 pmLondon Gatwick
Apr 29
LGW10:25 amLondon Gatwick
19h 34m
2 stops
IAH11:59 pmHouston George Bush Intcntl
$680
Delta
May 5
IAH3:50 pmHouston George Bush Intcntl
18h 10m
1 stop
LGW4:00 pmLondon Gatwick
May 13
LGW10:25 amLondon Gatwick
17h 51m
2 stops
IAH10:16 pmHouston George Bush Intcntl
$681

Turkish Airlines flights from Houston George Bush Intcntl Airport to London Gatwick Airport

Our best Turkish Airlines deals on Houston George Bush Intcntl Airport to London Gatwick Airport flight tickets
Turkish Airlines
Mar 11
IAH3:55 pmHouston George Bush Intcntl
25h 40m
1 stop
LGW10:35 pmLondon Gatwick
Mar 18
LGW6:25 amLondon Gatwick
18h 45m
1 stop
IAH8:10 pmHouston George Bush Intcntl
$716
Turkish Airlines
Mar 11
IAH3:55 pmHouston George Bush Intcntl
25h 40m
1 stop
LGW10:35 pmLondon Gatwick
Mar 25
LGW5:05 pmLondon Gatwick
32h 05m
1 stop
IAH8:10 pmHouston George Bush Intcntl
$728
Turkish Airlines
Mar 9
IAH10:05 pmHouston George Bush Intcntl
30h 15m
1 stop
LGW9:20 amLondon Gatwick
Mar 24
LGW5:05 pmLondon Gatwick
26h 05m
1 stop
IAH2:10 pmHouston George Bush Intcntl
$740

momondo Fare Finder

 
Customize your flight search to find flights from Houston George Bush Intcntl Airport 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 March 1, 2026.
Use the filters below to find and compare flights from Houston George Bush Intcntl Airport 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

Tue 3/31

12:46 pm-10:00 am

1 stop15h 14m

London Gatwick

Mon 4/20

2:00 pm-8:38 am

1 stop24h 38m

$626

HoustonLondon

IAH - LGW

IAHLGW

Houston George Bush Intcntl

Tue 3/24

5:15 am-10:00 am

2 stops23h 45m

London Gatwick

Mon 4/27

6:50 am-8:23 am

3 stops31h 33m

$627

HoustonLondon

IAH - LGW

IAHLGW

Houston George Bush Intcntl

Wed 4/22

6:05 am-6:20 am

2 stops42h 15m

London Gatwick

Mon 5/4

2:00 pm-8:38 am

1 stop24h 38m

$630

HoustonLondon

IAH - LGW

IAHLGW

Houston George Bush Intcntl

Thu 3/26

7:35 am-10:00 am

2 stops21h 25m

London Gatwick

Thu 4/9

2:00 pm-10:37 pm

1 stop14h 37m

$633

HoustonLondon

IAH - LGW

IAHLGW

Houston George Bush Intcntl

Wed 4/22

3:31 pm-6:20 am

1 stop32h 49m

London Gatwick

Mon 5/4

2:00 pm-8:38 am

1 stop24h 38m

$634

HoustonLondon

IAH - LGW

IAHLGW

Houston George Bush Intcntl

Mon 3/16

12:10 pm-3:35 pm

2 stops22h 25m

London Gatwick

Tue 3/31

4:45 pm-8:29 pm

3 stops33h 44m

$638

HoustonLondon

IAH - LGW

IAHLGW

Houston George Bush Intcntl

Mon 3/23

8:00 am-10:00 am

1 stop21h 00m

London Gatwick

Tue 4/7

2:00 pm-10:18 am

1 stop26h 18m

$641

HoustonLondon

IAH - LGW

IAHLGW

Houston George Bush Intcntl

Mon 3/16

12:10 pm-7:25 pm

2 stops26h 15m

London Gatwick

Tue 3/24

5:20 pm-9:39 pm

3 stops33h 19m

$642

HoustonLondon

IAH - LGW

IAHLGW

Houston George Bush Intcntl

Thu 3/26

4:30 pm-10:00 am

1 stop12h 30m

London Gatwick

Fri 4/10

2:00 pm-10:37 pm

1 stop14h 37m

$643

HoustonLondon

IAH - LGW

IAHLGW

Houston George Bush Intcntl

Sat 3/28

11:16 am-10:00 am

1 stop17h 44m

London Gatwick

Wed 4/8

2:00 pm-7:29 am

2 stops23h 29m

$644

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 George Bush Intcntl Airport 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

Can stopping save me money on Houston George Bush Intcntl Airport to London Gatwick Airport flights?

You could potentially save up to 14% on your flight if you consider stops on a Houston George Bush Intcntl Airport to London Gatwick Airport flight.

When to book flights from Houston George Bush Intcntl Airport to London Gatwick Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Houston George Bush Intcntl Airport to London Gatwick Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Houston George Bush Intcntl Airport to London Gatwick Airport (IAH to LGW) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Houston George Bush Intcntl Airport to London Gatwick Airport

Fastest flight time

11h 35m

Direct flights

None
The fastest flight from Houston George Bush Intcntl Airport to London Gatwick Airport takes 11h 35m
There are no direct flights from Houston George Bush Intcntl Airport to London Gatwick Airport. There are no popular flight routes from Houston George Bush Intcntl Airport to London Gatwick Airport.
Search flight deals

  • How far is Houston George Bush Intcntl to London Gatwick by plane?

    The distance between Houston George Bush Intcntl and London Gatwick is about 4840.1 mi. 11h 35m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Houston George Bush Intcntl Airport to London Gatwick Airport?

    Prices for flights from Houston George Bush Intcntl Airport to London Gatwick Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Houston George Bush Intcntl Airport to London Gatwick Airport?

  • How old do you have to be to fly from Houston George Bush Intcntl Airport 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 George Bush Intcntl Airport to London Gatwick Airport.

  • What documentation or ID do you need to fly to London Gatwick Airport?

    The travel and health documents you'll need for your trip to London Gatwick Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London Gatwick Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Houston George Bush Intcntl Airport to London Gatwick Airport?

Best airlines flying from Houston George Bush Intcntl Airport to London Gatwick Airport

Compare and see reviews for airlines that fly from Houston George Bush Intcntl Airport to London Gatwick Airport with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $551Free CancellationRating
7.1
11,370 reviews
Search American Airlines flights

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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?

Flights from Houston to London with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Houston to London?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to London from Houston.

I’m not ready to book a flight from Houston to London right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Houston to London now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to London and let you know when they change.

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