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Cheap flights from St. Louis to London from £257

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 1/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
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
15:50 - 16:35STL-STN
18h 45m2 stops
Multiple Airlines Logo
21:45 - 13:55STN-STL
22h 10m2 stops
£480Multiple Airlines
Find Deal
Fri, 14 Nov - Tue, 18 Nov
Multiple Airlines Logo
16:05 - 19:00STL-STN
20h 55m2 stops
Multiple Airlines Logo
12:15 - 13:55STN-STL
31h 40m2 stops
£577Multiple Airlines
Find Deal
Tue, 25 Nov - Tue, 2 Dec
Multiple Airlines Logo
16:05 - 19:00STL-STN
20h 55m3 stops
Multiple Airlines Logo
12:15 - 13:55STN-STL
31h 40m2 stops
£584Multiple Airlines
Find Deal
Tue, 25 Nov - Tue, 2 Dec
Multiple Airlines Logo
15:50 - 00:10STL-STN
26h 20m2 stops
Multiple Airlines Logo
18:25 - 21:40STN-STL
33h 15m3 stops
£700Multiple Airlines
Find Deal
Fri, 28 Nov - Fri, 5 Dec
Turkish Airlines Logo
17:18 - 10:15STL-STN
34h 57m2 stops
Turkish Airlines Logo
17:45 - 14:18STN-STL
26h 33m2 stops
£822Turkish Airlines
Find Deal
Mon, 30 Mar - Tue, 7 Apr
Turkish Airlines Logo
17:18 - 22:10STL-STN
22h 52m2 stops
Turkish Airlines Logo
11:10 - 14:18STN-STL
33h 08m2 stops
£833Turkish Airlines
Find Deal
Wed, 22 Apr - Fri, 1 May
Multiple Airlines Logo
16:49 - 11:35STL-STN
12h 46m2 stops
Multiple Airlines Logo
06:30 - 16:46STN-STL
16h 16m2 stops
£835Multiple Airlines
Find Deal
Sat, 13 Dec - Sat, 20 Dec
Turkish Airlines Logo
18:30 - 09:15STL-STN
33h 45m2 stops
Turkish Airlines Logo
17:45 - 14:18STN-STL
50h 33m2 stops
£836Turkish Airlines
Find Deal
Sat, 28 Mar - Sun, 12 Apr
Turkish Airlines Logo
17:18 - 16:50STL-STN
41h 32m2 stops
Turkish Airlines Logo
17:45 - 14:18STN-STL
26h 33m2 stops
£837Turkish Airlines
Find Deal
Tue, 21 Apr - Tue, 5 May
Turkish Airlines Logo
17:18 - 16:50STL-STN
41h 32m2 stops
Turkish Airlines Logo
06:15 - 14:18STN-STL
38h 03m2 stops
£841Turkish Airlines
Find Deal
Wed, 1 Apr - Wed, 8 Apr

Turkish Airlines flights from St. Louis to London Stansted Airport

Our best Turkish Airlines deals on St. Louis to London Stansted Airport flight tickets
Turkish Airlines
30 Mar
STL17:18Lambert-St Louis
34h 57m
2 stops
STN10:15London Stansted
7 Apr
STN17:45London Stansted
26h 33m
2 stops
STL14:18Lambert-St Louis
£822
Find similar
Turkish Airlines
22 Apr
STL17:18Lambert-St Louis
22h 52m
2 stops
STN22:10London Stansted
1 May
STN11:10London Stansted
33h 08m
2 stops
STL14:18Lambert-St Louis
£833
Find similar
Turkish Airlines
28 Mar
STL18:30Lambert-St Louis
33h 45m
2 stops
STN09:15London Stansted
12 Apr
STN17:45London Stansted
50h 33m
2 stops
STL14:18Lambert-St Louis
£836
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from St. Louis to London Stansted 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 October 2025.
Use the filters below to find and compare flights from St. Louis to London Stansted Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

Fri 14/11

15:50-16:35

2 stops18h 45m

London Stansted

Tue 18/11

21:45-13:55

2 stops22h 10m

£480

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

Tue 25/11

16:05-19:00

2 stops20h 55m

London Stansted

Tue 2/12

12:15-13:55

2 stops31h 40m

£577

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

Tue 25/11

16:05-19:00

3 stops20h 55m

London Stansted

Tue 2/12

12:15-13:55

2 stops31h 40m

£584

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

Fri 28/11

15:50-00:10

2 stops26h 20m

London Stansted

Fri 5/12

18:25-21:40

3 stops33h 15m

£700

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

Mon 30/3

17:18-10:15

2 stops34h 57m

London Stansted

Tue 7/4

17:45-14:18

2 stops26h 33m

£822

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

Wed 22/4

17:18-22:10

2 stops22h 52m

London Stansted

Fri 1/5

11:10-14:18

2 stops33h 08m

£833

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

Sat 13/12

16:49-11:35

2 stops12h 46m

London Stansted

Sat 20/12

06:30-16:46

2 stops16h 16m

£835

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

Sat 28/3

18:30-09:15

2 stops33h 45m

London Stansted

Sun 12/4

17:45-14:18

2 stops50h 33m

£836

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

Tue 21/4

17:18-16:50

2 stops41h 32m

London Stansted

Tue 5/5

17:45-14:18

2 stops26h 33m

£837

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

Wed 1/4

17:18-16:50

2 stops41h 32m

London Stansted

Wed 8/4

06:15-14:18

2 stops38h 03m

£841

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 Stansted Airport

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

Cheap St. Louis to London Stansted Airport (STL to STN) flight deals and tips

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

Direct flights

None
There are no direct flights from St. Louis to London Stansted Airport. There are no popular flight routes from St. Louis to London Stansted Airport.
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  • How far is Lambert-St Louis to London Stansted by plane?

    London Stansted is 4199.6 mi away from Lambert-St Louis. In terms of flight time, this usually takes a little over 12h 46m.

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

    Prices for flights from Lambert-St Louis Airport to London Stansted Airport are updated daily.

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to London Stansted Airport.

  • What documentation or ID do you need to fly to London Stansted Airport?

    The travel and health documents you'll need for your trip to London Stansted 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 Stansted 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 Stansted Airport?

    Price Alerts will notify you by email when the price for flights to London Stansted 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 Stansted Airport with momondo?

    By using tools like our “Price Calendar”, you can see the best days for return flights on your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

  • How does momondo find its flight prices?

    We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

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
Colchester
Dover
Hayes
Chelmsford
Worthing
Dartford
Ramsgate
Bedford
Stansted

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from St. Louis to London. momondo saves you time and could save you money on your trip.

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?

If you are not ready to book a flight from St. Louis to London now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to London and let you know when they change.

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