Cheap flights from St. Louis to London from £199

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to London departing on 18/1. 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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Cheap return flights

Enter your travel dates to find the best prices.
American Airlines Logo
08:13 - 09:00
STL
-
LGW
18h 47m2 stops
American Airlines Logo
11:20 - 23:26
LGW
-
STL
18h 06m2 stops
£491American Airlines
Sat, 17 Jan - Sat, 24 Jan
Multiple Airlines Logo
17:42 - 10:00
STL
-
LGW
34h 18m1 stop
Multiple Airlines Logo
13:00 - 06:51
LGW
-
STL
23h 51m2 stops
£494Multiple Airlines
Wed, 21 Jan - Tue, 3 Feb
Multiple Airlines Logo
20:22 - 06:00
STL
-
LGW
27h 38m2 stops
Multiple Airlines Logo
14:00 - 23:33
LGW
-
STL
15h 33m1 stop
£495Multiple Airlines
Sat, 24 Jan - Fri, 6 Feb
Multiple Airlines Logo
17:11 - 10:00
STL
-
LGW
34h 49m1 stop
Multiple Airlines Logo
13:00 - 23:33
LGW
-
STL
40h 33m2 stops
£497Multiple Airlines
Sun, 18 Jan - Tue, 27 Jan
Multiple Airlines Logo
17:11 - 10:00
STL
-
LGW
34h 49m1 stop
Multiple Airlines Logo
13:00 - 23:33
LGW
-
STL
40h 33m2 stops
£501Multiple Airlines
Sun, 11 Jan - Tue, 27 Jan
Multiple Airlines Logo
20:32 - 06:00
STL
-
LGW
27h 28m2 stops
Multiple Airlines Logo
14:00 - 23:33
LGW
-
STL
15h 33m1 stop
£505Multiple Airlines
Mon, 19 Jan - Fri, 6 Feb
Multiple Airlines Logo
12:12 - 10:05
STL
-
LGW
15h 53m1 stop
Multiple Airlines Logo
13:00 - 06:51
LGW
-
STL
23h 51m2 stops
£507Multiple Airlines
Sat, 24 Jan - Tue, 3 Feb
Multiple Airlines Logo
08:39 - 10:00
STL
-
LGW
19h 21m1 stop
Multiple Airlines Logo
13:00 - 06:51
LGW
-
STL
23h 51m2 stops
£510Multiple Airlines
Mon, 19 Jan - Sun, 25 Jan
Multiple Airlines Logo
12:12 - 10:05
STL
-
LGW
15h 53m1 stop
Multiple Airlines Logo
13:00 - 06:51
LGW
-
STL
23h 51m2 stops
£519Multiple Airlines
Sat, 24 Jan - Sun, 1 Feb
Multiple Airlines Logo
08:39 - 10:00
STL
-
LGW
19h 21m1 stop
Multiple Airlines Logo
13:00 - 06:51
LGW
-
STL
23h 51m2 stops
£523Multiple Airlines
Mon, 19 Jan - Sun, 1 Feb

American Airlines flights from St. Louis to London Gatwick Airport

Our best American Airlines deals on St. Louis to London Gatwick Airport flight tickets
American Airlines
17 Jan
STL08:13Lambert-St Louis
18h 47m
2 stops
LGW09:00London Gatwick
24 Jan
LGW11:20London Gatwick
18h 06m
2 stops
STL23:26Lambert-St Louis
American Airlines
30 Jan
STL08:13Lambert-St Louis
17h 17m
2 stops
LGW07:30London Gatwick
3 Feb
LGW11:20London Gatwick
37h 14m
2 stops
STL18:34Lambert-St Louis

Iberia flights from St. Louis to London Gatwick Airport

Our best Iberia deals on St. Louis to London Gatwick Airport flight tickets
Iberia
30 Dec
STL09:36Lambert-St Louis
27h 24m
2 stops
LGW19:00London Gatwick
15 Jan
LGW11:45London Gatwick
27h 18m
2 stops
STL09:03Lambert-St Louis
Iberia
30 Dec
STL09:36Lambert-St Louis
27h 24m
2 stops
LGW19:00London Gatwick
14 Jan
LGW19:40London Gatwick
43h 23m
2 stops
STL09:03Lambert-St Louis
Iberia
30 Dec
STL09:36Lambert-St Louis
27h 24m
2 stops
LGW19:00London Gatwick
13 Jan
LGW11:45London Gatwick
41h 10m
2 stops
STL22:55Lambert-St Louis

momondo Fare Finder

 
Customise your flight search to find flights from St. Louis 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 279,928 searches. Data last updated 5 December 2025.
Use the filters below to find and compare flights from St. Louis to London Gatwick Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Sat 17/1

08:13-09:00

2 stops18h 47m

London Gatwick

Sat 24/1

11:20-23:26

2 stops18h 06m

£491

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Wed 21/1

17:42-10:00

1 stop34h 18m

London Gatwick

Tue 3/2

13:00-06:51

2 stops23h 51m

£494

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Sat 24/1

20:22-06:00

2 stops27h 38m

London Gatwick

Fri 6/2

14:00-23:33

1 stop15h 33m

£495

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Sun 18/1

17:11-10:00

1 stop34h 49m

London Gatwick

Tue 27/1

13:00-23:33

2 stops40h 33m

£497

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Sun 11/1

17:11-10:00

1 stop34h 49m

London Gatwick

Tue 27/1

13:00-23:33

2 stops40h 33m

£501

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Mon 19/1

20:32-06:00

2 stops27h 28m

London Gatwick

Fri 6/2

14:00-23:33

1 stop15h 33m

£505

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Sat 24/1

12:12-10:05

1 stop15h 53m

London Gatwick

Tue 3/2

13:00-06:51

2 stops23h 51m

£507

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Mon 19/1

08:39-10:00

1 stop19h 21m

London Gatwick

Sun 25/1

13:00-06:51

2 stops23h 51m

£510

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Sat 24/1

12:12-10:05

1 stop15h 53m

London Gatwick

Sun 1/2

13:00-06:51

2 stops23h 51m

£519

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Mon 19/1

08:39-10:00

1 stop19h 21m

London Gatwick

Sun 1/2

13:00-06:51

2 stops23h 51m

£523

Flights are sorted by cheapest return 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 St. Louis 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 typical price of a round-trip flight between St. Louis and London Gatwick Airport?

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

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

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

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

Fastest flight time

12h 30m

Direct flights

None
The fastest flight from St. Louis to London Gatwick Airport takes 12h 30m
There are no direct flights from St. Louis to London Gatwick Airport. There are no popular flight routes from St. Louis to London Gatwick Airport.
  • How far is Lambert-St Louis to London Gatwick by plane?

    There are 4206.2 mi between Lambert-St Louis and London Gatwick. 12h 30m is a normal flight duration for this route.

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

    Prices for flights from Lambert-St Louis Airport to London Gatwick Airport were last updated today.

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Lambert-St Louis 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.

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Eastbourne
Milton Keynes
Luton
Gatwick
Maidstone
Slough
Canterbury
Southend-on-Sea
Ipswich
Ilford
Guildford
Hayes
Dover
Chelmsford
Colchester
Worthing
Bedford
Ramsgate
Hounslow
Stansted

Why use momondo?

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

Finding the right flight to London from St. Louis is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to London quick and easy, saving you time and money.

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

Yes. momondo allows you to filter the results for St. Louis to London flights to just show those with flexible booking policies.

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

momondo helps you find the best flight between St. Louis and London 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 St. Louis to London right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to London from St. Louis. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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Sun 4/1
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