Cheap flights from London Gatwick Airport to St. Louis from $295

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 1/23. 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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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 - 10:23 am
LGW
-
STL
26h 23m1 stop
Multiple Airlines Logo
10:16 am - 10:00 am
STL
-
LGW
17h 44m1 stop
$511Multiple Airlines
Thu, Jan 22 - Mon, Jan 26
Multiple Airlines Logo
2:00 pm - 10:23 am
LGW
-
STL
26h 23m1 stop
Multiple Airlines Logo
10:16 am - 10:00 am
STL
-
LGW
17h 44m1 stop
$532Multiple Airlines
Thu, Jan 22 - Mon, Jan 26
Multiple Airlines Logo
2:00 pm - 6:51 am
LGW
-
STL
22h 51m2 stops
Multiple Airlines Logo
11:18 am - 10:00 am
STL
-
LGW
16h 42m1 stop
$556Multiple Airlines
Fri, Jan 23 - Fri, Jan 30
Multiple Airlines Logo
2:00 pm - 6:51 am
LGW
-
STL
22h 51m2 stops
Multiple Airlines Logo
10:16 am - 10:00 am
STL
-
LGW
17h 44m1 stop
$564Multiple Airlines
Thu, Jan 22 - Mon, Jan 26
Multiple Airlines Logo
2:00 pm - 11:33 pm
LGW
-
STL
15h 33m1 stop
Multiple Airlines Logo
8:22 pm - 6:00 am
STL
-
LGW
27h 38m2 stops
$584Multiple Airlines
Sat, Jan 24 - Sat, Jan 31
Multiple Airlines Logo
2:00 pm - 6:51 am
LGW
-
STL
46h 51m2 stops
Multiple Airlines Logo
10:16 am - 10:00 am
STL
-
LGW
17h 44m1 stop
$586Multiple Airlines
Mon, Jan 12 - Mon, Jan 26
Multiple Airlines Logo
2:00 pm - 6:51 am
LGW
-
STL
22h 51m2 stops
Multiple Airlines Logo
10:16 am - 10:00 am
STL
-
LGW
17h 44m1 stop
$590Multiple Airlines
Thu, Jan 22 - Mon, Jan 26
Multiple Airlines Logo
2:00 pm - 6:51 am
LGW
-
STL
46h 51m2 stops
Multiple Airlines Logo
10:16 am - 10:00 am
STL
-
LGW
17h 44m1 stop
$592Multiple Airlines
Mon, Jan 12 - Mon, Jan 26
Multiple Airlines Logo
2:00 pm - 10:33 pm
LGW
-
STL
14h 33m1 stop
Multiple Airlines Logo
10:16 am - 10:00 am
STL
-
LGW
17h 44m1 stop
$621Multiple Airlines
Mon, Jan 12 - Mon, Jan 26
Multiple Airlines Logo
2:00 pm - 10:33 pm
LGW
-
STL
14h 33m1 stop
Multiple Airlines Logo
10:16 am - 10:00 am
STL
-
LGW
17h 44m1 stop
$639Multiple Airlines
Mon, Jan 12 - Mon, Jan 26

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 December 11, 2025.
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 1/22

2:00 pm-10:23 am

1 stop26h 23m

Lambert-St Louis

Mon 1/26

10:16 am-10:00 am

1 stop17h 44m

$511

LondonSt. Louis

LGW - STL

LGWSTL

London Gatwick

Thu 1/22

2:00 pm-10:23 am

1 stop26h 23m

Lambert-St Louis

Mon 1/26

10:16 am-10:00 am

1 stop17h 44m

$532

LondonSt. Louis

LGW - STL

LGWSTL

London Gatwick

Fri 1/23

2:00 pm-6:51 am

2 stops22h 51m

Lambert-St Louis

Fri 1/30

11:18 am-10:00 am

1 stop16h 42m

$556

LondonSt. Louis

LGW - STL

LGWSTL

London Gatwick

Thu 1/22

2:00 pm-6:51 am

2 stops22h 51m

Lambert-St Louis

Mon 1/26

10:16 am-10:00 am

1 stop17h 44m

$564

LondonSt. Louis

LGW - STL

LGWSTL

London Gatwick

Sat 1/24

2:00 pm-11:33 pm

1 stop15h 33m

Lambert-St Louis

Sat 1/31

8:22 pm-6:00 am

2 stops27h 38m

$584

LondonSt. Louis

LGW - STL

LGWSTL

London Gatwick

Mon 1/12

2:00 pm-6:51 am

2 stops46h 51m

Lambert-St Louis

Mon 1/26

10:16 am-10:00 am

1 stop17h 44m

$586

LondonSt. Louis

LGW - STL

LGWSTL

London Gatwick

Thu 1/22

2:00 pm-6:51 am

2 stops22h 51m

Lambert-St Louis

Mon 1/26

10:16 am-10:00 am

1 stop17h 44m

$590

LondonSt. Louis

LGW - STL

LGWSTL

London Gatwick

Mon 1/12

2:00 pm-6:51 am

2 stops46h 51m

Lambert-St Louis

Mon 1/26

10:16 am-10:00 am

1 stop17h 44m

$592

LondonSt. Louis

LGW - STL

LGWSTL

London Gatwick

Mon 1/12

2:00 pm-10:33 pm

1 stop14h 33m

Lambert-St Louis

Mon 1/26

10:16 am-10:00 am

1 stop17h 44m

$621

LondonSt. Louis

LGW - STL

LGWSTL

London Gatwick

Mon 1/12

2:00 pm-10:33 pm

1 stop14h 33m

Lambert-St Louis

Mon 1/26

10:16 am-10:00 am

1 stop17h 44m

$639

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 Wednesday when prices can be found for as low as $952. 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 Saturday because tickets tend to average around $1,371. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.

What is the cheapest time of day to depart on your flight to St. Louis?

Flying to St. Louis from London Gatwick Airport at noon is the least expensive time of day to depart. momondo users have found prices as low as $1,075 when looking at flights departing at noon. In the morning is when there is more demand to fly to St. Louis, so prices are often more expensive at around $1,229 per ticket.

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 23m

Direct flights

None
The fastest flight from London Gatwick Airport to St. Louis takes 14h 23m
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.
  • How far is London Gatwick to Lambert-St Louis by plane?

    Lambert-St Louis is 4206.2 mi away from London Gatwick. 14h 23m 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
Hermann
Fairview Heights
Maryland Heights
O'Fallon
Florissant
Fenton
Wentzville
St. Peters
Collinsville
Alton
Farmington
Festus
Clayton
Glencoe
Edwardsville
Eureka
Litchfield
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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1 adult
Sat 1/10
Sat 1/17

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