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Cheap flights from London Gatwick Airport to St. Louis from $405

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 4/17. 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 London Gatwick Airport to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
2:00 pm - 11:19 pm
LGW
-
STL
14h 19m
1 stop
Multiple Airlines Logo
8:02 am - 10:00 am
STL
-
LGW
20h 58m
1 stop
$593Multiple Airlines
Thu, Mar 12 - Thu, Mar 19
Multiple Airlines Logo
2:00 pm - 1:34 pm
LGW
-
STL
28h 34m
2 stops
Multiple Airlines Logo
8:02 am - 10:00 am
STL
-
LGW
20h 58m
1 stop
$636Multiple Airlines
Thu, Mar 12 - Thu, Mar 19
Multiple Airlines Logo
2:00 pm - 11:19 pm
LGW
-
STL
14h 19m
1 stop
Multiple Airlines Logo
4:51 pm - 6:00 am
STL
-
LGW
32h 09m
2 stops
$824Multiple Airlines
Fri, Mar 13 - Tue, Mar 17
Multiple Airlines Logo
8:45 pm - 3:24 pm
LGW
-
STL
24h 39m
3 stops
Multiple Airlines Logo
3:30 pm - 2:55 pm
STL
-
LGW
17h 25m
2 stops
$850Multiple Airlines
Mon, Apr 20 - Fri, Apr 24
Multiple Airlines Logo
8:45 pm - 3:24 pm
LGW
-
STL
24h 39m
3 stops
Multiple Airlines Logo
3:30 pm - 8:40 am
STL
-
LGW
35h 10m
3 stops
$878Multiple Airlines
Mon, Apr 20 - Fri, Apr 24
Multiple Airlines Logo
2:00 pm - 11:19 pm
LGW
-
STL
15h 19m
1 stop
Multiple Airlines Logo
8:13 pm - 6:20 am
STL
-
LGW
28h 07m
2 stops
$893Multiple Airlines
Mon, Apr 20 - Fri, Apr 24
Multiple Airlines Logo
2:00 pm - 7:02 am
LGW
-
STL
23h 02m
1 stop
Multiple Airlines Logo
8:02 am - 6:00 am
STL
-
LGW
40h 58m
2 stops
$1,129Multiple Airlines
Thu, Mar 5 - Thu, Mar 12
Multiple Airlines Logo
11:55 am - 1:51 pm
LGW
-
STL
31h 56m
2 stops
Multiple Airlines Logo
6:00 am - 7:10 am
STL
-
LGW
20h 10m
1 stop
$1,154Multiple Airlines
Tue, Mar 3 - Tue, Mar 10
Multiple Airlines Logo
2:00 pm - 11:59 pm
LGW
-
STL
15h 59m
1 stop
Multiple Airlines Logo
8:02 am - 10:00 am
STL
-
LGW
20h 58m
1 stop
$1,155Multiple Airlines
Thu, Mar 5 - Thu, Mar 12
Delta Logo
10:25 am - 8:31 pm
LGW
-
STL
16h 06m
2 stops
Delta Logo
12:10 pm - 9:40 am
STL
-
LGW
15h 30m
2 stops
$1,201Delta
Sat, Jun 27 - Mon, Jul 6

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
Mar 4
LGW10:15 amLondon Gatwick
40h 52m
2 stops
STL9:07 pmLambert-St Louis
Mar 8
STL7:41 amLambert-St Louis
33h 54m
2 stops
LGW10:35 pmLondon Gatwick
$1,481
Turkish Airlines
Mar 13
LGW5:05 pmLondon Gatwick
33h 00m
2 stops
STL9:05 pmLambert-St Louis
Mar 17
STL7:40 amLambert-St Louis
20h 40m
2 stops
LGW9:20 amLondon Gatwick
$1,508
Turkish Airlines
Mar 13
LGW5:05 pmLondon Gatwick
33h 00m
2 stops
STL9:05 pmLambert-St Louis
Mar 17
STL7:40 amLambert-St Louis
20h 40m
2 stops
LGW9:20 amLondon Gatwick
$1,509

Delta flights from London Gatwick Airport to St. Louis

Our best Delta deals on London Gatwick Airport to St. Louis flight tickets
Delta
Jun 27
LGW10:25 amLondon Gatwick
16h 06m
2 stops
STL8:31 pmLambert-St Louis
Jul 6
STL12:10 pmLambert-St Louis
15h 30m
2 stops
LGW9:40 amLondon Gatwick
$1,201
Delta
Jun 27
LGW10:25 amLondon Gatwick
16h 06m
2 stops
STL8:31 pmLambert-St Louis
Jul 6
STL12:10 pmLambert-St Louis
15h 30m
2 stops
LGW9:40 amLondon Gatwick
$1,202
Delta
Jun 29
LGW10:25 amLondon Gatwick
16h 24m
2 stops
STL8:49 pmLambert-St Louis
Jul 9
STL12:10 pmLambert-St Louis
15h 15m
2 stops
LGW9:25 amLondon Gatwick
$1,314

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 February 4, 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

LondonSt. Louis

LGW - STL

LGWSTL

London Gatwick

Thu 3/12

2:00 pm-11:19 pm

1 stop14h 19m

Lambert-St Louis

Thu 3/19

8:02 am-10:00 am

1 stop20h 58m

$593

LondonSt. Louis

LGW - STL

LGWSTL

London Gatwick

Thu 3/12

2:00 pm-1:34 pm

2 stops28h 34m

Lambert-St Louis

Thu 3/19

8:02 am-10:00 am

1 stop20h 58m

$636

LondonSt. Louis

LGW - STL

LGWSTL

London Gatwick

Fri 3/13

2:00 pm-11:19 pm

1 stop14h 19m

Lambert-St Louis

Tue 3/17

4:51 pm-6:00 am

2 stops32h 09m

$824

LondonSt. Louis

LGW - STL

LGWSTL

London Gatwick

Mon 4/20

8:45 pm-3:24 pm

3 stops24h 39m

Lambert-St Louis

Fri 4/24

3:30 pm-2:55 pm

2 stops17h 25m

$850

LondonSt. Louis

LGW - STL

LGWSTL

London Gatwick

Mon 4/20

8:45 pm-3:24 pm

3 stops24h 39m

Lambert-St Louis

Fri 4/24

3:30 pm-8:40 am

3 stops35h 10m

$878

LondonSt. Louis

LGW - STL

LGWSTL

London Gatwick

Mon 4/20

2:00 pm-11:19 pm

1 stop15h 19m

Lambert-St Louis

Fri 4/24

8:13 pm-6:20 am

2 stops28h 07m

$893

LondonSt. Louis

LGW - STL

LGWSTL

London Gatwick

Thu 3/5

2:00 pm-7:02 am

1 stop23h 02m

Lambert-St Louis

Thu 3/12

8:02 am-6:00 am

2 stops40h 58m

$1,129

LondonSt. Louis

LGW - STL

LGWSTL

London Gatwick

Tue 3/3

11:55 am-1:51 pm

2 stops31h 56m

Lambert-St Louis

Tue 3/10

6:00 am-7:10 am

1 stop20h 10m

$1,154

LondonSt. Louis

LGW - STL

LGWSTL

London Gatwick

Thu 3/5

2:00 pm-11:59 pm

1 stop15h 59m

Lambert-St Louis

Thu 3/12

8:02 am-10:00 am

1 stop20h 58m

$1,155

LondonSt. Louis

LGW - STL

LGWSTL

London Gatwick

Sat 6/27

10:25 am-8:31 pm

2 stops16h 06m

Lambert-St Louis

Mon 7/6

12:10 pm-9:40 am

2 stops15h 30m

$1,201

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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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

14h 19m

Direct flights

None
The fastest flight from London Gatwick Airport to St. Louis takes 14h 19m
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

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

    Lambert-St Louis is 4206.2 mi away from London Gatwick. 14h 19m 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.

  • How do I get Price Alerts for flights from London Gatwick Airport to St. Louis?

    You can take advantage of momondo’s Price Alerts by first searching for your flights to London Gatwick Airport from St. Louis. Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.

  • How can I save money on flights from London Gatwick Airport to St. Louis with momondo?

    Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

  • How does momondo find its flight prices?

    We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

Traveling to a place near St. Louis?

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