Cheap flights from St. Louis to London from £186

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 23/3. 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.
Multiple Airlines Logo
18:29 - 10:00
STL
-
LGW
33h 31m
2 stops
Multiple Airlines Logo
14:00 - 07:51
LGW
-
STL
23h 51m
1 stop
£503Multiple Airlines
Thu, 2 Apr - Thu, 9 Apr
Delta Logo
12:28 - 09:40
STL
-
LGW
15h 12m
2 stops
Delta Logo
10:25 - 21:06
LGW
-
STL
16h 41m
2 stops
£513Delta
Mon, 30 Mar - Wed, 8 Apr
Multiple Airlines Logo
18:29 - 10:00
STL
-
LGW
33h 31m
2 stops
Multiple Airlines Logo
14:00 - 23:25
LGW
-
STL
15h 25m
1 stop
£515Multiple Airlines
Thu, 2 Apr - Thu, 9 Apr
Multiple Airlines Logo
16:05 - 20:15
STL
-
LGW
22h 10m
2 stops
Multiple Airlines Logo
10:00 - 15:25
LGW
-
STL
35h 25m
3 stops
£515Multiple Airlines
Tue, 14 Apr - Tue, 21 Apr
Multiple Airlines Logo
16:54 - 10:00
STL
-
LGW
35h 06m
1 stop
Multiple Airlines Logo
14:00 - 07:51
LGW
-
STL
23h 51m
1 stop
£518Multiple Airlines
Thu, 2 Apr - Thu, 9 Apr
Multiple Airlines Logo
16:54 - 10:00
STL
-
LGW
35h 06m
1 stop
Multiple Airlines Logo
14:00 - 23:25
LGW
-
STL
15h 25m
1 stop
£521Multiple Airlines
Wed, 1 Apr - Wed, 8 Apr
Multiple Airlines Logo
07:47 - 10:00
STL
-
LGW
20h 13m
1 stop
Multiple Airlines Logo
14:00 - 10:30
LGW
-
STL
26h 30m
2 stops
£522Multiple Airlines
Mon, 30 Mar - Mon, 6 Apr
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
£545Multiple Airlines
Thu, 30 Apr - Sat, 9 May
Multiple Airlines Logo
16:55 - 10:00
STL
-
LGW
35h 05m
1 stop
Multiple Airlines Logo
14:00 - 06:50
LGW
-
STL
22h 50m
2 stops
£546Multiple Airlines
Tue, 5 May - Fri, 8 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
£550Multiple Airlines
Mon, 30 Mar - Mon, 6 Apr

Delta flights from St. Louis to London Gatwick Airport

Our best Delta deals on St. Louis to London Gatwick Airport flight tickets
Delta
30 Mar
STL12:28Lambert-St Louis
15h 12m
2 stops
LGW09:40London Gatwick
8 Apr
LGW10:25London Gatwick
16h 41m
2 stops
STL21:06Lambert-St Louis
£513
Delta
18 Apr
STL17:59Lambert-St Louis
16h 01m
2 stops
LGW16:00London Gatwick
27 Apr
LGW10:25London Gatwick
16h 54m
2 stops
STL21:19Lambert-St Louis
£625
Delta
19 Aug
STL12:10Lambert-St Louis
15h 15m
2 stops
LGW09:25London Gatwick
1 Sept
LGW10:35London Gatwick
18h 26m
2 stops
STL23:01Lambert-St Louis
£634

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
9 Mar
STL07:40Lambert-St Louis
20h 40m
2 stops
LGW09:20London Gatwick
16 Mar
LGW17:05London Gatwick
33h 02m
2 stops
STL21:07Lambert-St Louis
£872
Turkish Airlines
12 Mar
STL07:41Lambert-St Louis
33h 54m
2 stops
LGW22:35London Gatwick
16 Mar
LGW17:05London Gatwick
33h 02m
2 stops
STL21:07Lambert-St Louis
£912
Turkish Airlines
11 Mar
STL07:40Lambert-St Louis
51h 30m
2 stops
LGW16:10London Gatwick
15 Mar
LGW06:20London Gatwick
43h 47m
2 stops
STL21:07Lambert-St Louis
£945

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 7 March 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

Thu 2/4

18:29-10:00

2 stops33h 31m

London Gatwick

Thu 9/4

14:00-07:51

1 stop23h 51m

£503
Fastest return journey

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Mon 30/3

12:28-09:40

2 stops15h 12m

London Gatwick

Wed 8/4

10:25-21:06

2 stops16h 41m

£513

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Thu 2/4

18:29-10:00

2 stops33h 31m

London Gatwick

Thu 9/4

14:00-23:25

1 stop15h 25m

£515

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Tue 14/4

16:05-20:15

2 stops22h 10m

London Gatwick

Tue 21/4

10:00-15:25

3 stops35h 25m

£515

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Thu 2/4

16:54-10:00

1 stop35h 06m

London Gatwick

Thu 9/4

14:00-07:51

1 stop23h 51m

£518

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Wed 1/4

16:54-10:00

1 stop35h 06m

London Gatwick

Wed 8/4

14:00-23:25

1 stop15h 25m

£521

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Mon 30/3

07:47-10:00

1 stop20h 13m

London Gatwick

Mon 6/4

14:00-10:30

2 stops26h 30m

£522

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Thu 30/4

11:21-06:20

2 stops36h 59m

London Gatwick

Sat 9/5

14:00-23:19

1 stop15h 19m

£545

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Tue 5/5

16:55-10:00

1 stop35h 05m

London Gatwick

Fri 8/5

14:00-06:50

2 stops22h 50m

£546

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Mon 30/3

07:47-10:00

1 stop20h 13m

London Gatwick

Mon 6/4

14:00-23:25

1 stop15h 25m

£550

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 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

15h 40m

Direct flights

None
The fastest flight from St. Louis to London Gatwick Airport takes 15h 40m
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. 15h 40m 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
Southend-on-Sea
Canterbury
Ipswich
Ilford
Wembley
Guildford
Chelmsford
Hayes
Dover
Folkestone
Worthing
Colchester
Bedford
Ramsgate

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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1 adult
Mon 6/4
Mon 13/4

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