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Cheap flights from St. Louis to London from $378

1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from St. Louis to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
9:40 am - 6:40 pmSTL  Lambert-St Louis-STN London Stansted
27h 00m3 stops Chicago O'Hare Intl Montreal Pierre Elliott Trudeau Intl Madrid Barajas
Multiple Airlines Logo
4:55 pm - 1:45 pmSTN  London Stansted-STL Lambert-St Louis
26h 50m2 stops Barcelona-El Prat Frankfurt am Main
$844Multiple Airlines
Wed, Nov 25 - Sat, Dec 5
Multiple Airlines Logo
3:30 pm - 9:00 pmSTL  Lambert-St Louis-STN London Stansted
23h 30m2 stops Frankfurt am Main Madrid Barajas
Multiple Airlines Logo
2:45 pm - 1:25 pmSTN  London Stansted-STL Lambert-St Louis
28h 40m2 stops Madrid Barajas Frankfurt am Main
$878Multiple Airlines
Tue, Sep 29 - Thu, Oct 8
Multiple Airlines Logo
2:40 pm - 9:20 pmSTL  Lambert-St Louis-STN London Stansted
24h 40m2 stops Toronto Pearson Intl Dublin
Multiple Airlines Logo
6:35 am - 2:00 pmSTN  London Stansted-STL Lambert-St Louis
13h 25m2 stops Dublin Toronto Pearson Intl
$963Multiple Airlines
Wed, Oct 14 - Sun, Oct 18
Multiple Airlines Logo
12:10 pm - 9:20 pmSTL  Lambert-St Louis-STN London Stansted
27h 10m3 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl Dublin
Multiple Airlines Logo
6:35 am - 2:00 pmSTN  London Stansted-STL Lambert-St Louis
13h 25m2 stops Dublin Toronto Pearson Intl
$964Multiple Airlines
Wed, Oct 14 - Sun, Oct 18
Multiple Airlines Logo
12:10 pm - 2:35 pmSTL  Lambert-St Louis-STN London Stansted
20h 25m3 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl Dublin
Multiple Airlines Logo
6:35 am - 2:00 pmSTN  London Stansted-STL Lambert-St Louis
13h 25m2 stops Dublin Toronto Pearson Intl
$1,031Multiple Airlines
Thu, Oct 15 - Sun, Oct 18
Multiple Airlines Logo
2:40 pm - 9:20 pmSTL  Lambert-St Louis-STN London Stansted
24h 40m2 stops Toronto Pearson Intl Dublin
Multiple Airlines Logo
6:35 am - 2:00 pmSTN  London Stansted-STL Lambert-St Louis
13h 25m2 stops Dublin Toronto Pearson Intl
$1,033Multiple Airlines
Thu, Oct 15 - Sun, Oct 18
Multiple Airlines Logo
8:55 am - 11:50 pmSTL  Lambert-St Louis-STN London Stansted
32h 55m3 stops Toronto Pearson Intl Munich Franz Josef Strauss Krakow J. Paul II Balice
Multiple Airlines Logo
4:00 pm - 1:25 pmSTN  London Stansted-STL Lambert-St Louis
27h 25m2 stops Krakow J. Paul II Balice Frankfurt am Main
$1,064Multiple Airlines
Thu, Oct 1 - Thu, Oct 8
Multiple Airlines Logo
8:55 am - 12:50 amSTL  Lambert-St Louis-STN London Stansted
33h 55m3 stops Toronto Pearson Intl Vienna Intl Tirana Rinas
Multiple Airlines Logo
6:15 pm - 8:20 pmSTN  London Stansted-STL Lambert-St Louis
32h 05m3 stops Tirana Rinas Munich Franz Josef Strauss Toronto Pearson Intl
$1,069Multiple Airlines
Tue, Sep 29 - Thu, Oct 8
Turkish Airlines Logo
8:00 am - 4:40 pmSTL  Lambert-St Louis-STN London Stansted
26h 40m2 stops Chicago O'Hare Intl Istanbul
Turkish Airlines Logo
5:45 pm - 9:21 pmSTN  London Stansted-STL Lambert-St Louis
33h 36m2 stops Istanbul Chicago O'Hare Intl
$1,177Turkish Airlines
Wed, Oct 7 - Wed, Oct 21
Turkish Airlines Logo
8:00 am - 9:55 amSTL  Lambert-St Louis-STN London Stansted
43h 55m2 stops Chicago O'Hare Intl Istanbul
Turkish Airlines Logo
5:35 pm - 9:21 pmSTN  London Stansted-STL Lambert-St Louis
33h 46m2 stops Istanbul Chicago O'Hare Intl
$1,178Turkish Airlines
Sat, Oct 3 - Thu, Oct 8

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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
Nov 18
STL7:30 amLambert-St Louis
44h 25m
2 stops
STN9:55 amLondon Stansted
Nov 25
STN10:55 amLondon Stansted
34h 48m
2 stops
STL3:43 pmLambert-St Louis
$1,174
Turkish Airlines
Oct 23
STL8:00 amLambert-St Louis
44h 55m
2 stops
STN10:55 amLondon Stansted
Oct 29
STN5:20 pmLondon Stansted
27h 23m
2 stops
STL3:43 pmLambert-St Louis
$1,177
Turkish Airlines
Oct 7
STL8:00 amLambert-St Louis
26h 40m
2 stops
STN4:40 pmLondon Stansted
Oct 21
STN5:45 pmLondon Stansted
33h 36m
2 stops
STL9:21 pmLambert-St Louis
$1,178

momondo Fare Finder

 
Use the filters below to find and compare flights from St. Louis to London Stansted Airport that are best for you.

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Price

Cheapest round-trip

St. LouisLondon

STL Lambert-St Louis - STN London Stansted

STLSTN

Lambert-St Louis

Wed 11/25

9:40 am-6:40 pm

3 stops27h 00m

London Stansted

Sat 12/5

4:55 pm-1:45 pm

2 stops26h 50m

$844

St. LouisLondon

STL Lambert-St Louis - STN London Stansted

STLSTN

Lambert-St Louis

Tue 9/29

3:30 pm-9:00 pm

2 stops23h 30m

London Stansted

Thu 10/8

2:45 pm-1:25 pm

2 stops28h 40m

$878

St. LouisLondon

STL Lambert-St Louis - STN London Stansted

STLSTN

Lambert-St Louis

Wed 10/14

2:40 pm-9:20 pm

2 stops24h 40m

London Stansted

Sun 10/18

6:35 am-2:00 pm

2 stops13h 25m

$963

St. LouisLondon

STL Lambert-St Louis - STN London Stansted

STLSTN

Lambert-St Louis

Wed 10/14

12:10 pm-9:20 pm

3 stops27h 10m

London Stansted

Sun 10/18

6:35 am-2:00 pm

2 stops13h 25m

$964
Quickest round-trip

St. LouisLondon

STL Lambert-St Louis - STN London Stansted

STLSTN

Lambert-St Louis

Thu 10/15

12:10 pm-2:35 pm

3 stops20h 25m

London Stansted

Sun 10/18

6:35 am-2:00 pm

2 stops13h 25m

$1,031

St. LouisLondon

STL Lambert-St Louis - STN London Stansted

STLSTN

Lambert-St Louis

Thu 10/15

2:40 pm-9:20 pm

2 stops24h 40m

London Stansted

Sun 10/18

6:35 am-2:00 pm

2 stops13h 25m

$1,033

St. LouisLondon

STL Lambert-St Louis - STN London Stansted

STLSTN

Lambert-St Louis

Thu 10/1

8:55 am-11:50 pm

3 stops32h 55m

London Stansted

Thu 10/8

4:00 pm-1:25 pm

2 stops27h 25m

$1,064

St. LouisLondon

STL Lambert-St Louis - STN London Stansted

STLSTN

Lambert-St Louis

Tue 9/29

8:55 am-12:50 am

3 stops33h 55m

London Stansted

Thu 10/8

6:15 pm-8:20 pm

3 stops32h 05m

$1,069

St. LouisLondon

STL Lambert-St Louis - STN London Stansted

STLSTN

Lambert-St Louis

Wed 10/7

8:00 am-4:40 pm

2 stops26h 40m

London Stansted

Wed 10/21

5:45 pm-9:21 pm

2 stops33h 36m

$1,177

St. LouisLondon

STL Lambert-St Louis - STN London Stansted

STLSTN

Lambert-St Louis

Sat 10/3

8:00 am-9:55 am

2 stops43h 55m

London Stansted

Thu 10/8

5:35 pm-9:21 pm

2 stops33h 46m

$1,178

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 round-trip 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

$378

Fastest flight time

14h 55m

Direct flights

None
The best one-way flight to London Stansted Airport from St. Louis in the past 72 hours is $378. The best round-trip flight deal from St. Louis to London Stansted Airport found on momondo in the last 72 hours is $844.
The fastest flight from St. Louis to London Stansted Airport takes 14h 55m
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?

    There are 4199.6 mi between Lambert-St Louis and London Stansted. By plane, this route typically takes 14h 55m.

  • 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 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 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?

    You can take advantage of momondo’s Price Alerts by first searching for your flights to St. Louis from London Stansted Airport. Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.

  • How can I save money on flights from St. Louis to London Stansted Airport with momondo?

    With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.

  • 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.

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Hounslow
Gatwick
Milton Keynes
Hayes
Wembley
Luton
Croydon
Dover
Richmond
Stansted
Kingston upon Thames
Harrow
Cobham
Watford
Slough
Eastbourne
Worthing
Hook
Uxbridge
Romford

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 enables you to select and highlight flights to London from St. Louis with this policy.

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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