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Cheap flights from St. Louis to London from £151

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 21/2. 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
20:22 - 06:00
STL
-
LGW
51h 38m
2 stops
Multiple Airlines Logo
14:00 - 07:02
LGW
-
STL
23h 02m
1 stop
£463Multiple Airlines
Fri, 27 Feb - Fri, 6 Mar
Multiple Airlines Logo
16:55 - 10:00
STL
-
LGW
35h 05m
1 stop
Multiple Airlines Logo
14:00 - 23:19
LGW
-
STL
15h 19m
1 stop
£490Multiple Airlines
Wed, 6 May - Tue, 12 May
Multiple Airlines Logo
20:13 - 06:20
STL
-
LGW
52h 07m
2 stops
Multiple Airlines Logo
14:00 - 23:19
LGW
-
STL
15h 19m
1 stop
£494Multiple Airlines
Fri, 1 May - Tue, 12 May
Multiple Airlines Logo
07:47 - 10:00
STL
-
LGW
20h 13m
1 stop
Multiple Airlines Logo
14:00 - 06:50
LGW
-
STL
46h 50m
2 stops
£500Multiple Airlines
Mon, 30 Mar - Mon, 13 Apr
Multiple Airlines Logo
20:13 - 06:20
STL
-
LGW
28h 07m
2 stops
Multiple Airlines Logo
14:00 - 23:19
LGW
-
STL
15h 19m
1 stop
£505Multiple Airlines
Fri, 1 May - Wed, 6 May
Multiple Airlines Logo
20:13 - 06:20
STL
-
LGW
28h 07m
2 stops
Multiple Airlines Logo
14:00 - 23:19
LGW
-
STL
15h 19m
1 stop
£510Multiple Airlines
Mon, 27 Apr - Fri, 8 May
Multiple Airlines Logo
11:21 - 06:20
STL
-
LGW
36h 59m
2 stops
Multiple Airlines Logo
14:00 - 23:19
LGW
-
STL
15h 19m
1 stop
£514Multiple Airlines
Thu, 7 May - Tue, 12 May
Multiple Airlines Logo
20:13 - 06:20
STL
-
LGW
28h 07m
2 stops
Multiple Airlines Logo
14:00 - 23:19
LGW
-
STL
15h 19m
1 stop
£523Multiple Airlines
Sat, 2 May - Tue, 12 May
Multiple Airlines Logo
07:47 - 10:00
STL
-
LGW
20h 13m
1 stop
Multiple Airlines Logo
14:00 - 23:25
LGW
-
STL
15h 25m
1 stop
£527Multiple Airlines
Mon, 30 Mar - Mon, 13 Apr
Multiple Airlines Logo
20:12 - 10:00
STL
-
LGW
31h 48m
2 stops
Multiple Airlines Logo
14:00 - 23:19
LGW
-
STL
15h 19m
1 stop
£528Multiple Airlines
Sat, 2 May - Sat, 9 May

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
8 Feb
STL08:13Lambert-St Louis
17h 17m
2 stops
LGW07:30London Gatwick
24 Feb
LGW11:20London Gatwick
29h 12m
2 stops
STL10:32Lambert-St Louis
£461
American Airlines
12 Feb
STL09:36Lambert-St Louis
17h 24m
2 stops
LGW09:00London Gatwick
26 Feb
LGW11:20London Gatwick
18h 36m
2 stops
STL23:56Lambert-St Louis
£589

Iberia flights from St. Louis to London Gatwick Airport

Our best Iberia deals on St. Louis to London Gatwick Airport flight tickets
Iberia
9 Feb
STL11:55Lambert-St Louis
40h 55m
2 stops
LGW10:50London Gatwick
25 Feb
LGW11:45London Gatwick
41h 19m
2 stops
STL23:04Lambert-St Louis
£683
Iberia
9 Feb
STL11:55Lambert-St Louis
49h 05m
2 stops
LGW19:00London Gatwick
25 Feb
LGW11:45London Gatwick
41h 19m
2 stops
STL23:04Lambert-St Louis
£713
Iberia
9 Feb
STL11:55Lambert-St Louis
40h 55m
2 stops
LGW10:50London Gatwick
23 Feb
LGW19:40London Gatwick
21h 21m
2 stops
STL11:01Lambert-St Louis
£731

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 31 January 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

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Fri 27/2

20:22-06:00

2 stops51h 38m

London Gatwick

Fri 6/3

14:00-07:02

1 stop23h 02m

£463

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Wed 6/5

16:55-10:00

1 stop35h 05m

London Gatwick

Tue 12/5

14:00-23:19

1 stop15h 19m

£490

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Fri 1/5

20:13-06:20

2 stops52h 07m

London Gatwick

Tue 12/5

14:00-23:19

1 stop15h 19m

£494

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Mon 30/3

07:47-10:00

1 stop20h 13m

London Gatwick

Mon 13/4

14:00-06:50

2 stops46h 50m

£500

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Fri 1/5

20:13-06:20

2 stops28h 07m

London Gatwick

Wed 6/5

14:00-23:19

1 stop15h 19m

£505

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Mon 27/4

20:13-06:20

2 stops28h 07m

London Gatwick

Fri 8/5

14:00-23:19

1 stop15h 19m

£510

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Thu 7/5

11:21-06:20

2 stops36h 59m

London Gatwick

Tue 12/5

14:00-23:19

1 stop15h 19m

£514

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Sat 2/5

20:13-06:20

2 stops28h 07m

London Gatwick

Tue 12/5

14:00-23:19

1 stop15h 19m

£523

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Mon 30/3

07:47-10:00

1 stop20h 13m

London Gatwick

Mon 13/4

14:00-23:25

1 stop15h 25m

£527

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Sat 2/5

20:12-10:00

2 stops31h 48m

London Gatwick

Sat 9/5

14:00-23:19

1 stop15h 19m

£528

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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

15h 11m

Direct flights

None
The fastest flight from St. Louis to London Gatwick Airport takes 15h 11m
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

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

    There are 4206.2 mi between Lambert-St Louis and London Gatwick. 15h 11m 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.

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

    Price Alerts will notify you by email when the price for flights to London Gatwick Airport from St. Louis decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

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

    Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

  • How does momondo find its flight prices?

    We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

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
Southend-on-Sea
Canterbury
Ipswich
Ilford
Guildford
Chelmsford
Hayes
Dover
Folkestone
Worthing
Colchester
Bedford
Ramsgate
Chichester

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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