Cheap flights from St. Louis to London from £276

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 16/7. 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
20:23 - 06:20
STL
-
LGW
27h 57m
2 stops
Multiple Airlines Logo
14:00 - 00:21
LGW
-
STL
16h 21m
1 stop
£594Multiple Airlines
Mon, 4 May - Fri, 8 May
Multiple Airlines Logo
20:21 - 10:00
STL
-
LGW
55h 39m
2 stops
Multiple Airlines Logo
14:00 - 00:14
LGW
-
STL
16h 14m
1 stop
£595Multiple Airlines
Mon, 20 Jul - Fri, 28 Aug
Multiple Airlines Logo
16:59 - 06:20
STL
-
LGW
31h 21m
2 stops
Multiple Airlines Logo
14:00 - 00:21
LGW
-
STL
16h 21m
1 stop
£598Multiple Airlines
Mon, 27 Apr - Fri, 8 May
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
£613Multiple Airlines
Mon, 20 Jul - Fri, 28 Aug
Multiple Airlines Logo
16:19 - 10:00
STL
-
LGW
35h 41m
1 stop
Multiple Airlines Logo
14:00 - 23:57
LGW
-
STL
15h 57m
1 stop
£631Multiple Airlines
Mon, 25 May - Mon, 1 Jun
Multiple Airlines Logo
16:59 - 06:20
STL
-
LGW
31h 21m
2 stops
Multiple Airlines Logo
14:00 - 00:21
LGW
-
STL
16h 21m
1 stop
£631Multiple Airlines
Wed, 29 Apr - Fri, 8 May
Multiple Airlines Logo
18:33 - 06:20
STL
-
LGW
53h 47m
2 stops
Multiple Airlines Logo
14:00 - 23:57
LGW
-
STL
15h 57m
1 stop
£642Multiple Airlines
Tue, 19 May - Wed, 27 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
£646Multiple Airlines
Mon, 18 May - Wed, 27 May
Multiple Airlines Logo
20:23 - 06:20
STL
-
LGW
27h 57m
2 stops
Multiple Airlines Logo
14:00 - 00:21
LGW
-
STL
16h 21m
1 stop
£647Multiple Airlines
Mon, 4 May - Fri, 8 May
Multiple Airlines Logo
17:27 - 10:00
STL
-
LGW
34h 33m
2 stops
Multiple Airlines Logo
14:00 - 23:57
LGW
-
STL
15h 57m
1 stop
£653Multiple Airlines
Mon, 25 May - Mon, 1 Jun

Delta flights from St. Louis to London Gatwick Airport

Our best Delta deals on St. Louis to London Gatwick Airport flight tickets
Delta
9 May
STL11:25Lambert-St Louis
15h 55m
2 stops
LGW09:20London Gatwick
22 May
LGW10:25London Gatwick
16h 44m
2 stops
STL21:09Lambert-St Louis
£696
Delta
18 Apr
STL17:59Lambert-St Louis
16h 01m
2 stops
LGW16:00London Gatwick
25 Apr
LGW10:25London Gatwick
19h 11m
2 stops
STL23:36Lambert-St Louis
£733

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
17 Apr
STL07:45Lambert-St Louis
47h 25m
2 stops
LGW13:10London Gatwick
24 Apr
LGW07:00London Gatwick
44h 13m
2 stops
STL21:13Lambert-St Louis
£772
Turkish Airlines
24 Apr
STL07:45Lambert-St Louis
32h 40m
2 stops
LGW22:25London Gatwick
28 Apr
LGW10:50London Gatwick
40h 23m
2 stops
STL21:13Lambert-St Louis
£774
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
£775

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 14 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
Fastest return journey

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Mon 4/5

20:23-06:20

2 stops27h 57m

London Gatwick

Fri 8/5

14:00-00:21

1 stop16h 21m

£594

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Mon 20/7

20:21-10:00

2 stops55h 39m

London Gatwick

Fri 28/8

14:00-00:14

1 stop16h 14m

£595

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Mon 27/4

16:59-06:20

2 stops31h 21m

London Gatwick

Fri 8/5

14:00-00:21

1 stop16h 21m

£598

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Mon 20/7

16:10-10:00

1 stop35h 50m

London Gatwick

Fri 28/8

14:00-00:14

1 stop16h 14m

£613

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Mon 25/5

16:19-10:00

1 stop35h 41m

London Gatwick

Mon 1/6

14:00-23:57

1 stop15h 57m

£631

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Wed 29/4

16:59-06:20

2 stops31h 21m

London Gatwick

Fri 8/5

14:00-00:21

1 stop16h 21m

£631

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Tue 19/5

18:33-06:20

2 stops53h 47m

London Gatwick

Wed 27/5

14:00-23:57

1 stop15h 57m

£642

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Mon 18/5

17:27-06:20

2 stops30h 53m

London Gatwick

Wed 27/5

14:00-23:57

1 stop15h 57m

£646

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Mon 4/5

20:23-06:20

2 stops27h 57m

London Gatwick

Fri 8/5

14:00-00:21

1 stop16h 21m

£647

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Mon 25/5

17:27-10:00

2 stops34h 33m

London Gatwick

Mon 1/6

14:00-23:57

1 stop15h 57m

£653

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 08m

Direct flights

None
The fastest flight from St. Louis to London Gatwick Airport takes 15h 08m
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.

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. 15h 08m 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
Wembley
Southend-on-Sea
Ipswich
Canterbury
Ilford
Guildford
Hayes
Dover
Chelmsford
Folkestone
Bedford
Ramsgate
Chichester
Harlow

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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