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Cheap flights from St. Louis to London from £305

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 14/6. 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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0 bags
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Find the cheapest flights from St. Louis to London

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
15:33 - 10:00
STL
-
LGW
36h 27m
2 stops
Multiple Airlines Logo
14:00 - 00:14
LGW
-
STL
16h 14m
1 stop
£644Multiple Airlines
Sun, 19 Jul - Wed, 26 Aug
Multiple Airlines Logo
16:10 - 10:00
STL
-
LGW
35h 50m
1 stop
Multiple Airlines Logo
14:00 - 00:14
LGW
-
STL
16h 14m
1 stop
£659Multiple Airlines
Tue, 21 Jul - Wed, 26 Aug
Multiple Airlines Logo
20:08 - 10:00
STL
-
LGW
31h 52m
2 stops
Multiple Airlines Logo
14:00 - 00:14
LGW
-
STL
16h 14m
1 stop
£661Multiple Airlines
Sat, 18 Jul - Wed, 26 Aug
Multiple Airlines Logo
18:33 - 10:00
STL
-
LGW
33h 27m
2 stops
Multiple Airlines Logo
14:00 - 00:14
LGW
-
STL
16h 14m
1 stop
£663Multiple Airlines
Tue, 21 Jul - Wed, 26 Aug
Multiple Airlines Logo
12:23 - 09:25
STL
-
LGW
15h 02m
2 stops
Multiple Airlines Logo
10:25 - 23:36
LGW
-
STL
19h 11m
2 stops
£669Multiple Airlines
Wed, 15 Apr - Fri, 24 Apr
Multiple Airlines Logo
16:10 - 10:00
STL
-
LGW
35h 50m
1 stop
Multiple Airlines Logo
14:00 - 14:48
LGW
-
STL
30h 48m
2 stops
£685Multiple Airlines
Tue, 21 Jul - Sun, 23 Aug
American Airlines Logo
07:05 - 06:50
STL
-
LGW
17h 45m
2 stops
American Airlines Logo
12:20 - 08:30
LGW
-
STL
26h 10m
2 stops
£695American Airlines
Fri, 1 May - Fri, 15 May
Multiple Airlines Logo
17:27 - 06:20
STL
-
LGW
30h 53m
2 stops
Multiple Airlines Logo
14:00 - 23:57
LGW
-
STL
15h 57m
1 stop
£701Multiple Airlines
Mon, 11 May - Sat, 6 Jun
Delta Logo
13:03 - 09:25
STL
-
LGW
14h 22m
2 stops
Delta Logo
10:25 - 21:19
LGW
-
STL
16h 54m
2 stops
£706Delta
Wed, 22 Apr - Mon, 27 Apr
Delta Logo
17:59 - 16:00
STL
-
LGW
16h 01m
2 stops
Delta Logo
10:25 - 21:19
LGW
-
STL
16h 54m
2 stops
£707Delta
Sat, 18 Apr - Thu, 30 Apr

Turkish Airlines flights from St. Louis to London Gatwick Airport

Our best Turkish Airlines deals on St. Louis to London Gatwick Airport flight tickets
Turkish Airlines
24 Apr
STL07:45Lambert-St Louis
23h 25m
2 stops
LGW13:10London Gatwick
28 Apr
LGW17:35London Gatwick
33h 38m
2 stops
STL21:13Lambert-St Louis
£765
Turkish Airlines
13 Apr
STL07:45Lambert-St Louis
44h 10m
2 stops
LGW09:55London Gatwick
28 Apr
LGW17:35London Gatwick
33h 38m
2 stops
STL21:13Lambert-St Louis
£768
Turkish Airlines
24 Apr
STL07:45Lambert-St Louis
20h 10m
2 stops
LGW09:55London Gatwick
28 Apr
LGW17:35London Gatwick
33h 38m
2 stops
STL21:13Lambert-St Louis
£768

Delta flights from St. Louis to London Gatwick Airport

Our best Delta deals on St. Louis to London Gatwick Airport flight tickets
Delta
22 Apr
STL13:03Lambert-St Louis
14h 22m
2 stops
LGW09:25London Gatwick
27 Apr
LGW10:25London Gatwick
16h 54m
2 stops
STL21:19Lambert-St Louis
£706
Delta
18 Apr
STL17:59Lambert-St Louis
16h 01m
2 stops
LGW16:00London Gatwick
30 Apr
LGW10:25London Gatwick
16h 54m
2 stops
STL21:19Lambert-St Louis
£707
Delta
10 May
STL16:25Lambert-St Louis
35h 15m
2 stops
LGW09:40London Gatwick
28 May
LGW10:25London Gatwick
17h 04m
2 stops
STL21:29Lambert-St Louis
£727

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 April 2026.
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

Cheapest return flight

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Sun 19/7

15:33-10:00

2 stops36h 27m

London Gatwick

Wed 26/8

14:00-00:14

1 stop16h 14m

£644

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Tue 21/7

16:10-10:00

1 stop35h 50m

London Gatwick

Wed 26/8

14:00-00:14

1 stop16h 14m

£659

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Sat 18/7

20:08-10:00

2 stops31h 52m

London Gatwick

Wed 26/8

14:00-00:14

1 stop16h 14m

£661

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Tue 21/7

18:33-10:00

2 stops33h 27m

London Gatwick

Wed 26/8

14:00-00:14

1 stop16h 14m

£663

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Wed 15/4

12:23-09:25

2 stops15h 02m

London Gatwick

Fri 24/4

10:25-23:36

2 stops19h 11m

£669

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Tue 21/7

16:10-10:00

1 stop35h 50m

London Gatwick

Sun 23/8

14:00-14:48

2 stops30h 48m

£685

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Fri 1/5

07:05-06:50

2 stops17h 45m

London Gatwick

Fri 15/5

12:20-08:30

2 stops26h 10m

£695

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Mon 11/5

17:27-06:20

2 stops30h 53m

London Gatwick

Sat 6/6

14:00-23:57

1 stop15h 57m

£701
Fastest return journey

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Wed 22/4

13:03-09:25

2 stops14h 22m

London Gatwick

Mon 27/4

10:25-21:19

2 stops16h 54m

£706

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Sat 18/4

17:59-16:00

2 stops16h 01m

London Gatwick

Thu 30/4

10:25-21:19

2 stops16h 54m

£707

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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2

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 cheapest airline that flies from Lambert-St Louis to London Gatwick?

Delta is the most popular carrier operating from Lambert-St Louis to London Gatwick

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

14h 57m

Direct flights

None
The fastest flight from St. Louis to London Gatwick Airport takes 14h 57m
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.
Search flight deals

Frequently asked questions about flying 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. 14h 57m 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
Slough
Maidstone
Southend-on-Sea
Wembley
Ipswich
Canterbury
Ilford
Guildford
Hayes
Chelmsford
Dover
Folkestone
Ramsgate
Bedford
Chichester
Worthing

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.

An easier way to manage your London Gatwick Airport trip

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