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Cheap flights from St. Louis to London from £235

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.
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0 bags
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Cheap return flights

Enter your travel dates to find the best prices.
Turkish Airlines Logo
07:45 - 16:50
STL
-
STN
27h 05m2 stops
Turkish Airlines Logo
17:45 - 21:03
STN
-
STL
33h 18m2 stops
£855Turkish Airlines
Tue, 21 Apr - Tue, 28 Apr
Multiple Airlines Logo
16:05 - 23:35
STL
-
STN
25h 30m3 stops
Multiple Airlines Logo
18:15 - 14:55
STN
-
STL
25h 40m2 stops
£876Multiple Airlines
Sat, 7 Mar - Thu, 12 Mar
Multiple Airlines Logo
07:30 - 18:25
STL
-
STN
28h 55m3 stops
Multiple Airlines Logo
20:05 - 13:25
STN
-
STL
23h 20m2 stops
£890Multiple Airlines
Sun, 17 May - Sat, 30 May
Multiple Airlines Logo
07:30 - 18:25
STL
-
STN
28h 55m3 stops
Multiple Airlines Logo
20:05 - 13:25
STN
-
STL
23h 20m2 stops
£913Multiple Airlines
Sun, 17 May - Sat, 30 May
Multiple Airlines Logo
15:30 - 12:50
STL
-
STN
15h 20m2 stops
Multiple Airlines Logo
20:15 - 15:24
STN
-
STL
25h 09m3 stops
£926Multiple Airlines
Wed, 1 Apr - Wed, 8 Apr
Multiple Airlines Logo
16:05 - 15:30
STL
-
STN
17h 25m2 stops
Multiple Airlines Logo
21:55 - 14:55
STN
-
STL
22h 00m2 stops
£997Multiple Airlines
Sat, 7 Mar - Thu, 12 Mar
Multiple Airlines Logo
13:00 - 17:40
STL
-
STN
22h 40m2 stops
Multiple Airlines Logo
18:25 - 20:02
STN
-
STL
31h 37m3 stops
£1,083Multiple Airlines
Fri, 5 Jun - Fri, 10 Jul
Turkish Airlines Logo
17:18 - 09:15
STL
-
STN
34h 57m2 stops
Turkish Airlines Logo
17:45 - 21:03
STN
-
STL
33h 18m2 stops
£1,126Turkish Airlines
Sat, 28 Mar - Tue, 31 Mar
Turkish Airlines Logo
07:45 - 10:15
STL
-
STN
20h 30m2 stops
Turkish Airlines Logo
17:45 - 21:03
STN
-
STL
33h 18m2 stops
£1,138Turkish Airlines
Fri, 10 Apr - Sat, 18 Apr
Turkish Airlines Logo
07:45 - 10:15
STL
-
STN
20h 30m2 stops
Turkish Airlines Logo
17:45 - 21:03
STN
-
STL
33h 18m2 stops
£1,146Turkish Airlines
Sun, 19 Apr - Sat, 25 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
21 Apr
STL07:45Lambert-St Louis
27h 05m
2 stops
STN16:50London Stansted
28 Apr
STN17:45London Stansted
33h 18m
2 stops
STL21:03Lambert-St Louis
£855
Find similar
Turkish Airlines
28 Mar
STL17:18Lambert-St Louis
34h 57m
2 stops
STN09:15London Stansted
31 Mar
STN17:45London Stansted
33h 18m
2 stops
STL21:03Lambert-St Louis
£1,126
Find similar
Turkish Airlines
10 Apr
STL07:45Lambert-St Louis
20h 30m
2 stops
STN10:15London Stansted
18 Apr
STN17:45London Stansted
33h 18m
2 stops
STL21:03Lambert-St Louis
£1,138
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 18 December 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

Tue 21/4

07:45-16:50

2 stops27h 05m

London Stansted

Tue 28/4

17:45-21:03

2 stops33h 18m

£855

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

Sat 7/3

16:05-23:35

3 stops25h 30m

London Stansted

Thu 12/3

18:15-14:55

2 stops25h 40m

£876

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

Sun 17/5

07:30-18:25

3 stops28h 55m

London Stansted

Sat 30/5

20:05-13:25

2 stops23h 20m

£890

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

Sun 17/5

07:30-18:25

3 stops28h 55m

London Stansted

Sat 30/5

20:05-13:25

2 stops23h 20m

£913

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

Wed 1/4

15:30-12:50

2 stops15h 20m

London Stansted

Wed 8/4

20:15-15:24

3 stops25h 09m

£926

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

Sat 7/3

16:05-15:30

2 stops17h 25m

London Stansted

Thu 12/3

21:55-14:55

2 stops22h 00m

£997

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

Fri 5/6

13:00-17:40

2 stops22h 40m

London Stansted

Fri 10/7

18:25-20:02

3 stops31h 37m

£1,083

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

Sat 28/3

17:18-09:15

2 stops34h 57m

London Stansted

Tue 31/3

17:45-21:03

2 stops33h 18m

£1,126

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

Fri 10/4

07:45-10:15

2 stops20h 30m

London Stansted

Sat 18/4

17:45-21:03

2 stops33h 18m

£1,138

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

Sun 19/4

07:45-10:15

2 stops20h 30m

London Stansted

Sat 25/4

17:45-21:03

2 stops33h 18m

£1,146

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

Fastest flight time

19h 15m

Direct flights

None
The fastest flight from St. Louis to London Stansted Airport takes 19h 15m
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.
Search flight deals

  • 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 19h 15m.

  • 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
Southend-on-Sea
Canterbury
Ipswich
Ilford
Guildford
Hayes
Chelmsford
Dover
Worthing
Colchester
Bedford
Ramsgate
Hounslow
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.

An easier way to manage your London Stansted Airport trip

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