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Cheap flights from London Gatwick Airport to St. Louis from $359

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Gatwick Airport to St. Louis departing on 9/21. 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
1 adult, Economy, 0 bags

Find the cheapest flights from London Gatwick Airport to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
Iberia Logo
8:40 pm - 8:44 pm
LGW
-
STL
30h 04m
2 stops
Iberia Logo
1:49 pm - 8:00 pm
STL
-
LGW
24h 11m
2 stops
$906Iberia
Wed, Sep 16 - Wed, Sep 23
Multiple Airlines Logo
2:00 pm - 11:59 pm
LGW
-
STL
15h 59m
1 stop
Multiple Airlines Logo
4:57 pm - 10:00 am
STL
-
LGW
35h 03m
2 stops
$908Multiple Airlines
Wed, Jul 15 - Sat, Aug 15
Iberia Logo
11:30 am - 11:43 pm
LGW
-
STL
18h 13m
2 stops
Iberia Logo
8:54 am - 8:00 pm
STL
-
LGW
29h 06m
2 stops
$910Iberia
Wed, Sep 9 - Wed, Sep 16
Iberia Logo
11:30 am - 11:43 pm
LGW
-
STL
18h 13m
2 stops
Iberia Logo
8:54 am - 8:00 pm
STL
-
LGW
29h 06m
2 stops
$911Iberia
Wed, Sep 9 - Wed, Sep 16
Multiple Airlines Logo
2:00 pm - 11:59 pm
LGW
-
STL
15h 59m
1 stop
Multiple Airlines Logo
6:17 pm - 10:00 am
STL
-
LGW
33h 43m
2 stops
$922Multiple Airlines
Wed, Aug 12 - Fri, Aug 21
Multiple Airlines Logo
2:00 pm - 11:59 pm
LGW
-
STL
15h 59m
1 stop
Multiple Airlines Logo
4:09 pm - 10:00 am
STL
-
LGW
35h 51m
1 stop
$930Multiple Airlines
Wed, Jul 15 - Sat, Aug 15
Multiple Airlines Logo
2:00 pm - 11:59 pm
LGW
-
STL
15h 59m
1 stop
Multiple Airlines Logo
6:17 pm - 10:00 am
STL
-
LGW
33h 43m
2 stops
$932Multiple Airlines
Wed, Aug 12 - Fri, Aug 21
Multiple Airlines Logo
2:00 pm - 11:59 pm
LGW
-
STL
15h 59m
1 stop
Multiple Airlines Logo
4:09 pm - 10:00 am
STL
-
LGW
35h 51m
1 stop
$935Multiple Airlines
Sat, Jul 25 - Sat, Aug 1
Iberia Logo
7:40 pm - 10:37 am
LGW
-
STL
20h 57m
2 stops
Iberia Logo
2:17 pm - 7:00 pm
STL
-
LGW
22h 43m
2 stops
$953Iberia
Sat, Nov 21 - Sat, Nov 28
Iberia Logo
8:40 pm - 11:34 pm
LGW
-
STL
32h 54m
2 stops
Iberia Logo
1:25 pm - 8:00 pm
STL
-
LGW
24h 35m
2 stops
$964Iberia
Tue, Sep 1 - Tue, Sep 8

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Iberia flights from London Gatwick Airport to St. Louis

Our best Iberia deals on London Gatwick Airport to St. Louis flight tickets
Iberia
Sep 16
LGW8:40 pmLondon Gatwick
30h 04m
2 stops
STL8:44 pmLambert-St Louis
Sep 23
STL1:49 pmLambert-St Louis
24h 11m
2 stops
LGW8:00 pmLondon Gatwick
$906
Iberia
Sep 9
LGW11:30 amLondon Gatwick
18h 13m
2 stops
STL11:43 pmLambert-St Louis
Sep 16
STL8:54 amLambert-St Louis
29h 06m
2 stops
LGW8:00 pmLondon Gatwick
$910
Iberia
Sep 9
LGW11:30 amLondon Gatwick
18h 13m
2 stops
STL11:43 pmLambert-St Louis
Sep 16
STL8:54 amLambert-St Louis
29h 06m
2 stops
LGW8:00 pmLondon Gatwick
$911

Turkish Airlines flights from London Gatwick Airport to St. Louis

Our best Turkish Airlines deals on London Gatwick Airport to St. Louis flight tickets
Turkish Airlines
Jul 10
LGW7:25 amLondon Gatwick
43h 51m
2 stops
STL9:16 pmLambert-St Louis
Jul 24
STL6:00 amLambert-St Louis
21h 55m
2 stops
LGW9:55 amLondon Gatwick
$1,940
Turkish Airlines
Jul 10
LGW7:25 amLondon Gatwick
43h 51m
2 stops
STL9:16 pmLambert-St Louis
Jul 14
STL6:00 amLambert-St Louis
34h 25m
2 stops
LGW10:25 pmLondon Gatwick
$1,943
Turkish Airlines
Jul 9
LGW7:30 amLondon Gatwick
43h 56m
2 stops
STL9:26 pmLambert-St Louis
Jul 31
STL6:00 amLambert-St Louis
25h 10m
2 stops
LGW1:10 pmLondon Gatwick
$2,049

momondo Fare Finder

 
Customize your flight search to find flights from London Gatwick Airport to St. Louis 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 June 29, 2026.
Use the filters below to find and compare flights from London Gatwick Airport to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LondonSt. Louis

LGW - STL

LGWSTL

London Gatwick

Wed 9/16

8:40 pm-8:44 pm

2 stops30h 04m

Lambert-St Louis

Wed 9/23

1:49 pm-8:00 pm

2 stops24h 11m

$906

LondonSt. Louis

LGW - STL

LGWSTL

London Gatwick

Wed 7/15

2:00 pm-11:59 pm

1 stop15h 59m

Lambert-St Louis

Sat 8/15

4:57 pm-10:00 am

2 stops35h 03m

$908

LondonSt. Louis

LGW - STL

LGWSTL

London Gatwick

Wed 9/9

11:30 am-11:43 pm

2 stops18h 13m

Lambert-St Louis

Wed 9/16

8:54 am-8:00 pm

2 stops29h 06m

$910

LondonSt. Louis

LGW - STL

LGWSTL

London Gatwick

Wed 9/9

11:30 am-11:43 pm

2 stops18h 13m

Lambert-St Louis

Wed 9/16

8:54 am-8:00 pm

2 stops29h 06m

$911

LondonSt. Louis

LGW - STL

LGWSTL

London Gatwick

Wed 8/12

2:00 pm-11:59 pm

1 stop15h 59m

Lambert-St Louis

Fri 8/21

6:17 pm-10:00 am

2 stops33h 43m

$922

LondonSt. Louis

LGW - STL

LGWSTL

London Gatwick

Wed 7/15

2:00 pm-11:59 pm

1 stop15h 59m

Lambert-St Louis

Sat 8/15

4:09 pm-10:00 am

1 stop35h 51m

$930

LondonSt. Louis

LGW - STL

LGWSTL

London Gatwick

Wed 8/12

2:00 pm-11:59 pm

1 stop15h 59m

Lambert-St Louis

Fri 8/21

6:17 pm-10:00 am

2 stops33h 43m

$932

LondonSt. Louis

LGW - STL

LGWSTL

London Gatwick

Sat 7/25

2:00 pm-11:59 pm

1 stop15h 59m

Lambert-St Louis

Sat 8/1

4:09 pm-10:00 am

1 stop35h 51m

$935
Quickest round-trip

LondonSt. Louis

LGW - STL

LGWSTL

London Gatwick

Sat 11/21

7:40 pm-10:37 am

2 stops20h 57m

Lambert-St Louis

Sat 11/28

2:17 pm-7:00 pm

2 stops22h 43m

$953

LondonSt. Louis

LGW - STL

LGWSTL

London Gatwick

Tue 9/1

8:40 pm-11:34 pm

2 stops32h 54m

Lambert-St Louis

Tue 9/8

1:25 pm-8:00 pm

2 stops24h 35m

$964

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 St. Louis from

How to get the cheapest flight ticket from London Gatwick Airport to St. Louis

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 St. Louis?

The cheapest day to depart on your flight to St. Louis is on a Sunday when prices can be found for as low as $1,100. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around $1,408. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.

When to book flights from London Gatwick Airport to St. Louis

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

Cheap London Gatwick Airport to St. Louis (LGW to STL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Gatwick Airport to St. Louis

Fastest flight time

15h 59m

Direct flights

None
The fastest flight from London Gatwick Airport to St. Louis takes 15h 59m
There are no direct flights from London Gatwick Airport to St. Louis. There are no popular flight routes from London Gatwick Airport to St. Louis.
Search flight deals

Frequently asked questions about flying from London Gatwick Airport to St. Louis

  • How far is London Gatwick to Lambert-St Louis by plane?

    Lambert-St Louis is 4206.2 mi away from London Gatwick. 15h 59m is a normal flight duration for this route.

  • When did momondo last update prices for flights from London Gatwick Airport to Lambert-St Louis Airport?

    Prices for flights from London Gatwick Airport to Lambert-St Louis Airport are refreshed on a daily basis.

  • How old do you have to be to fly from London Gatwick Airport to Lambert-St Louis Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London Gatwick Airport to Lambert-St Louis Airport.

  • What documentation or ID do you need to fly to Lambert-St Louis Airport?

    The travel and health documents you'll need for your trip to Lambert-St Louis 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 Lambert-St Louis Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
St. Charles
Chesterfield
Fairview Heights
Hermann
Maryland Heights
Florissant
O'Fallon
Collinsville
St. Peters
Alton
Wentzville
Farmington
Fenton
Clayton
Festus
Eureka
Litchfield
Edwardsville
Grafton
Shrewsbury

Why use momondo?

Why should I use momondo to find a flight deal from London to St. Louis?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from London to St. Louis for you.

Can I find flights from London to St. Louis with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to St. Louis from London with this policy.

How can momondo help me find flights from London to St. Louis?

momondo helps you find the best flight between London and St. Louis by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are simply researching potential flights to St. Louis, momondo offers a useful price alert feature which will track prices for flights to St. Louis from London and alert you when they change.

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