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Cheap flights from St. Louis to London from £298

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 16/9. 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

These are some of the best return flight deals from St. Louis to London that have been recently found on momondo from popular airlines, departing in the coming months.
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14:30 - 20:55STL-STN
24h 25m2 stops
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22:00 - 19:58STN-STL
27h 58m2 stops
Wed, 28 May - Wed, 4 Jun
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13:30 - 18:20STL-STN
22h 50m2 stops
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22:00 - 19:58STN-STL
27h 58m2 stops
Mon, 2 Jun - Mon, 9 Jun
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13:30 - 10:50STL-STN
15h 20m2 stops
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22:00 - 19:43STN-STL
27h 43m3 stops
Mon, 2 Jun - Mon, 9 Jun
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07:30 - 16:45STL-STN
27h 15m3 stops
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06:45 - 19:58STN-STL
19h 13m2 stops
Sun, 18 May - Wed, 28 May
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14:30 - 18:55STL-STN
22h 25m3 stops
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06:00 - 12:36STN-STL
36h 36m3 stops
Fri, 16 May - Sun, 15 Jun
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07:30 - 14:40STL-STN
25h 10m2 stops
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06:25 - 19:40STN-STL
19h 15m2 stops
Sun, 8 Jun - Mon, 7 Jul
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13:30 - 16:55STL-STN
21h 25m3 stops
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06:25 - 19:40STN-STL
19h 15m2 stops
£1,000
Find Deal
Sun, 8 Jun - Mon, 7 Jul
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14:30 - 18:55STL-STN
22h 25m3 stops
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06:40 - 19:58STN-STL
19h 18m2 stops
£1,279
Find Deal
Fri, 16 May - Sun, 15 Jun

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

£298

Fastest flight time

15h 20m

Direct flights

None
The best one-way flight to London Stansted Airport from St. Louis in the past 72 hours is £298. The best return flight deal from St. Louis to London Stansted Airport found on momondo in the last 72 hours is £611.
The fastest flight from St. Louis to London Stansted Airport takes 15h 20m
There are no direct flights from St. Louis to London Stansted Airport. Popular non-direct route for this connection is Lambert-St Louis Airport - 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 15h 20m.

  • 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
Slough
Southend-on-Sea
Maidstone
Gatwick
Ipswich
Canterbury
Margate
Ilford
Dartford
Hounslow
Colchester
Guildford
Worthing
Winchester
Crawley
Chichester
Croydon

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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