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.

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.

£293 Cheap Flights from St. Louis to London Stansted Airport in 2026/27

Find the cheapest flights from St. Louis to London

Return

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

16:05 - 23:15STL Lambert-St Louis-STN London Stansted

25h 10m3 stops Toronto Pearson Intl Frankfurt am Main Gothenburg Landvetter

12:25 - 13:45STN London Stansted-STL Lambert-St Louis

31h 20m2 stops Gothenburg Landvetter Frankfurt am Main

£807Multiple Airlines

Thu, 3 Dec - Thu, 10 Dec

14:55 - 16:20STL Lambert-St Louis-STN London Stansted

19h 25m2 stops Detroit Metropolitan Wayne County Istanbul

17:20 - 21:40STN London Stansted-STL Lambert-St Louis

34h 20m2 stops Istanbul Chicago O'Hare Intl

£826Multiple Airlines

Sat, 14 Nov - Sat, 21 Nov

11:35 - 09:40STL Lambert-St Louis-STN London Stansted

16h 05m2 stops Chicago O'Hare Intl Dublin

07:55 - 23:59STN London Stansted-STL Lambert-St Louis

22h 04m3 stops Stockholm Arlanda Reykjavik Keflavik Intl Orlando

£832Multiple Airlines

Sun, 15 Nov - Sat, 21 Nov

16:05 - 16:50STL Lambert-St Louis-STN London Stansted

18h 45m3 stops Toronto Pearson Intl Frankfurt am Main Basel EuroAirport Swiss

07:55 - 23:59STN London Stansted-STL Lambert-St Louis

22h 04m3 stops Stockholm Arlanda Reykjavik Keflavik Intl Orlando

£840Multiple Airlines

Sun, 15 Nov - Sat, 21 Nov

07:29 - 09:55STL Lambert-St Louis-STN London Stansted

20h 26m2 stops Chicago O'Hare Intl Istanbul

17:20 - 21:37STN London Stansted-STL Lambert-St Louis

34h 17m2 stops Istanbul Chicago O'Hare Intl

£849Turkish Airlines

Thu, 14 Jan - Fri, 22 Jan

07:29 - 16:20STL Lambert-St Louis-STN London Stansted

26h 51m2 stops Chicago O'Hare Intl Istanbul

10:55 - 21:37STN London Stansted-STL Lambert-St Louis

40h 42m2 stops Istanbul Chicago O'Hare Intl

£850Turkish Airlines

Thu, 14 Jan - Fri, 22 Jan

17:38 - 21:50STL Lambert-St Louis-STN London Stansted

22h 12m2 stops Chicago O'Hare Intl Dublin

12:05 - 22:17STN London Stansted-STL Lambert-St Louis

16h 12m2 stops Dublin Chicago O'Hare Intl

£861Multiple Airlines

Fri, 4 Dec - Tue, 8 Dec

06:30 - 09:55STL Lambert-St Louis-STN London Stansted

21h 25m2 stops Chicago O'Hare Intl Istanbul

10:55 - 21:57STN London Stansted-STL Lambert-St Louis

41h 02m2 stops Istanbul Chicago O'Hare Intl

£864Turkish Airlines

Thu, 3 Dec - Mon, 7 Dec

06:30 - 09:55STL Lambert-St Louis-STN London Stansted

45h 25m2 stops Chicago O'Hare Intl Istanbul

17:20 - 21:57STN London Stansted-STL Lambert-St Louis

34h 37m2 stops Istanbul Chicago O'Hare Intl

£868Turkish Airlines

Wed, 2 Dec - Sun, 6 Dec

07:30 - 09:55STL Lambert-St Louis-STN London Stansted

44h 25m2 stops Chicago O'Hare Intl Istanbul

10:55 - 21:40STN London Stansted-STL Lambert-St Louis

40h 45m2 stops Istanbul Chicago O'Hare Intl

£869Turkish Airlines

Thu, 5 Nov - Mon, 9 Nov

Cheap last-minute flights

Enter your travel dates to find the best prices.

08:00 - 09:55STL Lambert-St Louis-STN London Stansted

43h 55m2 stops Chicago O'Hare Intl Istanbul

10:55 - 21:40STN London Stansted-STL Lambert-St Louis

40h 45m2 stops Istanbul Chicago O'Hare Intl

£957Turkish Airlines

Thu, 22 Oct - Sun, 8 Nov

07:30 - 16:20STL Lambert-St Louis-STN London Stansted

27h 50m2 stops Chicago O'Hare Intl Istanbul

10:55 - 22:40STN London Stansted-STL Lambert-St Louis

40h 45m2 stops Istanbul Chicago O'Hare Intl

£980Turkish Airlines

Mon, 26 Oct - Sat, 31 Oct

08:00 - 10:55STL Lambert-St Louis-STN London Stansted

44h 55m2 stops Chicago O'Hare Intl Istanbul

17:20 - 15:43STN London Stansted-STL Lambert-St Louis

27h 23m2 stops Istanbul Chicago O'Hare Intl

£999Turkish Airlines

Fri, 23 Oct - Thu, 29 Oct

16:05 - 19:20STL Lambert-St Louis-STN London Stansted

22h 15m3 stops Toronto Pearson Intl Munich Franz Josef Strauss Berlin Brandenburg

05:55 - 23:16STN London Stansted-STL Lambert-St Louis

23h 21m3 stops Sevilla Lisbon Humberto Delgado Orlando

£1,090Multiple Airlines

Mon, 26 Oct - Mon, 2 Nov

08:55 - 12:45STL Lambert-St Louis-STN London Stansted

21h 50m2 stops Toronto Pearson Intl Dublin

22:05 - 23:16STN London Stansted-STL Lambert-St Louis

31h 11m3 stops Dublin Lisbon Humberto Delgado Orlando

£1,095Multiple Airlines

Thu, 22 Oct - Sun, 8 Nov

08:00 - 10:55STL Lambert-St Louis-STN London Stansted

44h 55m2 stops Chicago O'Hare Intl Istanbul

17:20 - 15:43STN London Stansted-STL Lambert-St Louis

27h 23m2 stops Istanbul Chicago O'Hare Intl

£1,100Turkish Airlines

Fri, 23 Oct - Thu, 29 Oct

08:00 - 10:55STL Lambert-St Louis-STN London Stansted

44h 55m2 stops Chicago O'Hare Intl Istanbul

17:20 - 15:43STN London Stansted-STL Lambert-St Louis

27h 23m2 stops Istanbul Chicago O'Hare Intl

£1,100Turkish Airlines

Fri, 23 Oct - Thu, 29 Oct

08:00 - 16:50STL Lambert-St Louis-STN London Stansted

50h 50m2 stops Chicago O'Hare Intl Istanbul

10:55 - 15:43STN London Stansted-STL Lambert-St Louis

33h 48m2 stops Istanbul Chicago O'Hare Intl

£1,118Turkish Airlines

Thu, 22 Oct - Thu, 29 Oct

08:00 - 10:55STL Lambert-St Louis-STN London Stansted

44h 55m2 stops Chicago O'Hare Intl Istanbul

17:20 - 15:43STN London Stansted-STL Lambert-St Louis

27h 23m2 stops Istanbul Chicago O'Hare Intl

£1,160Turkish Airlines

Fri, 23 Oct - Thu, 29 Oct

08:00 - 10:55STL Lambert-St Louis-STN London Stansted

20h 55m2 stops Chicago O'Hare Intl Istanbul

17:20 - 15:43STN London Stansted-STL Lambert-St Louis

27h 23m2 stops Istanbul Chicago O'Hare Intl

£1,234Turkish Airlines

Sat, 24 Oct - Sun, 25 Oct

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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

4 Nov

STL07:30Lambert-St Louis

26h 50m

2 stops

STN16:20London Stansted

9 Nov

STN10:55London Stansted

40h 45m

2 stops

STL21:40Lambert-St Louis

£849

Turkish Airlines

14 Jan

STL07:29Lambert-St Louis

26h 51m

2 stops

STN16:20London Stansted

22 Jan

STN10:55London Stansted

40h 42m

2 stops

STL21:37Lambert-St Louis

£850

Turkish Airlines

3 Dec

STL06:30Lambert-St Louis

21h 25m

2 stops

STN09:55London Stansted

7 Dec

STN10:55London Stansted

41h 02m

2 stops

STL21:57Lambert-St Louis

£864

momondo Fare Finder

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

Cheapest return flight

St. LouisLondon

STL Lambert-St Louis - STN London Stansted

STLSTN

Lambert-St Louis

Thu 3/12

16:05-23:15

3 stops25h 10m

London Stansted

Thu 10/12

12:25-13:45

2 stops31h 20m

£807

St. LouisLondon

STL Lambert-St Louis - STN London Stansted

STLSTN

Lambert-St Louis

Sat 14/11

14:55-16:20

2 stops19h 25m

London Stansted

Sat 21/11

17:20-21:40

2 stops34h 20m

£826

Fastest return journey

St. LouisLondon

STL Lambert-St Louis - STN London Stansted

STLSTN

Lambert-St Louis

Sun 15/11

11:35-09:40

2 stops16h 05m

London Stansted

Sat 21/11

07:55-23:59

3 stops22h 04m

£832

St. LouisLondon

STL Lambert-St Louis - STN London Stansted

STLSTN

Lambert-St Louis

Sun 15/11

16:05-16:50

3 stops18h 45m

London Stansted

Sat 21/11

07:55-23:59

3 stops22h 04m

£840

St. LouisLondon

STL Lambert-St Louis - STN London Stansted

STLSTN

Lambert-St Louis

Thu 14/1

07:29-09:55

2 stops20h 26m

London Stansted

Fri 22/1

17:20-21:37

2 stops34h 17m

£849

St. LouisLondon

STL Lambert-St Louis - STN London Stansted

STLSTN

Lambert-St Louis

Thu 14/1

07:29-16:20

2 stops26h 51m

London Stansted

Fri 22/1

10:55-21:37

2 stops40h 42m

£850

St. LouisLondon

STL Lambert-St Louis - STN London Stansted

STLSTN

Lambert-St Louis

Fri 4/12

17:38-21:50

2 stops22h 12m

London Stansted

Tue 8/12

12:05-22:17

2 stops16h 12m

£861

St. LouisLondon

STL Lambert-St Louis - STN London Stansted

STLSTN

Lambert-St Louis

Thu 3/12

06:30-09:55

2 stops21h 25m

London Stansted

Mon 7/12

10:55-21:57

2 stops41h 02m

£864

St. LouisLondon

STL Lambert-St Louis - STN London Stansted

STLSTN

Lambert-St Louis

Wed 2/12

06:30-09:55

2 stops45h 25m

London Stansted

Sun 6/12

17:20-21:57

2 stops34h 37m

£868

St. LouisLondon

STL Lambert-St Louis - STN London Stansted

STLSTN

Lambert-St Louis

Thu 5/11

07:30-09:55

2 stops44h 25m

London Stansted

Mon 9/11

10:55-21:40

2 stops40h 45m

£869

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Best price found	£293
Fastest flight time	19h 35m
Direct flights	None

The best one-way flight to London Stansted Airport from St. Louis in the past 72 hours is £293. The best return flight deal from St. Louis to London Stansted Airport found on momondo in the last 72 hours is £807.

The fastest flight from St. Louis to London Stansted Airport takes 19h 35m

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

Frequently asked questions about flying from St. Louis to London Stansted Airport

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 35m.
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.

Frequently asked questions about flying from St. Louis to London Stansted Airport

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.

Eastbourne

Wembley

Gatwick

Milton Keynes

Southend-on-Sea

Luton

Ipswich

Slough

Maidstone

Folkestone

Hastings

Ilford

Canterbury

Chichester

Colchester

Guildford

Hayes

Bedford

Worthing

Winchester

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.