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Cheap flights from St. Louis to London from $391

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
4:05 pm - 11:15 pmSTL  Lambert-St Louis-STN London Stansted
25h 10m3 stops Toronto Pearson Intl Frankfurt am Main Gothenburg Landvetter
Multiple Airlines Logo
12:25 pm - 1:45 pmSTN  London Stansted-STL Lambert-St Louis
31h 20m2 stops Gothenburg Landvetter Frankfurt am Main
$1,078Multiple Airlines
Thu, Dec 3 - Thu, Dec 10
Multiple Airlines Logo
2:55 pm - 4:20 pmSTL  Lambert-St Louis-STN London Stansted
19h 25m2 stops Detroit Metropolitan Wayne County Istanbul
Multiple Airlines Logo
5:20 pm - 9:40 pmSTN  London Stansted-STL Lambert-St Louis
34h 20m2 stops Istanbul Chicago O'Hare Intl
$1,104Multiple Airlines
Sat, Nov 14 - Sat, Nov 21
Multiple Airlines Logo
11:35 am - 9:40 amSTL  Lambert-St Louis-STN London Stansted
16h 05m2 stops Chicago O'Hare Intl Dublin
Multiple Airlines Logo
7:55 am - 11:59 pmSTN  London Stansted-STL Lambert-St Louis
22h 04m3 stops Stockholm Arlanda Reykjavik Keflavik Intl Orlando
$1,112Multiple Airlines
Sun, Nov 15 - Sat, Nov 21
Multiple Airlines Logo
4:05 pm - 4:50 pmSTL  Lambert-St Louis-STN London Stansted
18h 45m3 stops Toronto Pearson Intl Frankfurt am Main Basel EuroAirport Swiss
Multiple Airlines Logo
7:55 am - 11:59 pmSTN  London Stansted-STL Lambert-St Louis
22h 04m3 stops Stockholm Arlanda Reykjavik Keflavik Intl Orlando
$1,122Multiple Airlines
Sun, Nov 15 - Sat, Nov 21
Turkish Airlines Logo
7:29 am - 9:55 amSTL  Lambert-St Louis-STN London Stansted
20h 26m2 stops Chicago O'Hare Intl Istanbul
Turkish Airlines Logo
5:20 pm - 9:37 pmSTN  London Stansted-STL Lambert-St Louis
34h 17m2 stops Istanbul Chicago O'Hare Intl
$1,134Turkish Airlines
Thu, Jan 14 - Fri, Jan 22
Multiple Airlines Logo
1:14 pm - 3:10 pmSTL  Lambert-St Louis-STN London Stansted
19h 56m2 stops Chicago O'Hare Intl Dublin
Multiple Airlines Logo
8:10 am - 12:12 amSTN  London Stansted-STL Lambert-St Louis
22h 02m3 stops Stockholm Arlanda Reykjavik Keflavik Intl Orlando
$1,144Multiple Airlines
Mon, Nov 30 - Mon, Dec 7
Multiple Airlines Logo
5:38 pm - 9:50 pmSTL  Lambert-St Louis-STN London Stansted
22h 12m2 stops Chicago O'Hare Intl Dublin
Multiple Airlines Logo
12:05 pm - 10:17 pmSTN  London Stansted-STL Lambert-St Louis
16h 12m2 stops Dublin Chicago O'Hare Intl
$1,150Multiple Airlines
Fri, Dec 4 - Tue, Dec 8
Turkish Airlines Logo
6:30 am - 9:55 amSTL  Lambert-St Louis-STN London Stansted
21h 25m2 stops Chicago O'Hare Intl Istanbul
Turkish Airlines Logo
10:55 am - 9:57 pmSTN  London Stansted-STL Lambert-St Louis
41h 02m2 stops Istanbul Chicago O'Hare Intl
$1,154Turkish Airlines
Thu, Dec 3 - Mon, Dec 7
Turkish Airlines Logo
6:30 am - 9:55 amSTL  Lambert-St Louis-STN London Stansted
45h 25m2 stops Chicago O'Hare Intl Istanbul
Turkish Airlines Logo
5:20 pm - 9:57 pmSTN  London Stansted-STL Lambert-St Louis
34h 37m2 stops Istanbul Chicago O'Hare Intl
$1,160Turkish Airlines
Wed, Dec 2 - Sun, Dec 6
Turkish Airlines Logo
6:30 am - 9:55 amSTL  Lambert-St Louis-STN London Stansted
45h 25m2 stops Chicago O'Hare Intl Istanbul
Turkish Airlines Logo
10:55 am - 9:57 pmSTN  London Stansted-STL Lambert-St Louis
41h 02m2 stops Istanbul Chicago O'Hare Intl
$1,180Turkish Airlines
Wed, Dec 2 - Mon, Dec 7

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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
Jan 14
STL7:29 amLambert-St Louis
20h 26m
2 stops
STN9:55 amLondon Stansted
Jan 22
STN5:20 pmLondon Stansted
34h 17m
2 stops
STL9:37 pmLambert-St Louis
$1,134
Turkish Airlines
Dec 3
STL6:30 amLambert-St Louis
21h 25m
2 stops
STN9:55 amLondon Stansted
Dec 7
STN10:55 amLondon Stansted
41h 02m
2 stops
STL9:57 pmLambert-St Louis
$1,154
Turkish Airlines
Dec 2
STL6:30 amLambert-St Louis
45h 25m
2 stops
STN9:55 amLondon Stansted
Dec 6
STN5:20 pmLondon Stansted
34h 37m
2 stops
STL9:57 pmLambert-St Louis
$1,160

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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Cheapest round-trip

St. LouisLondon

STL Lambert-St Louis - STN London Stansted

STLSTN

Lambert-St Louis

Thu 12/3

4:05 pm-11:15 pm

3 stops25h 10m

London Stansted

Thu 12/10

12:25 pm-1:45 pm

2 stops31h 20m

$1,078

St. LouisLondon

STL Lambert-St Louis - STN London Stansted

STLSTN

Lambert-St Louis

Sat 11/14

2:55 pm-4:20 pm

2 stops19h 25m

London Stansted

Sat 11/21

5:20 pm-9:40 pm

2 stops34h 20m

$1,104
Quickest round-trip

St. LouisLondon

STL Lambert-St Louis - STN London Stansted

STLSTN

Lambert-St Louis

Sun 11/15

11:35 am-9:40 am

2 stops16h 05m

London Stansted

Sat 11/21

7:55 am-11:59 pm

3 stops22h 04m

$1,112

St. LouisLondon

STL Lambert-St Louis - STN London Stansted

STLSTN

Lambert-St Louis

Sun 11/15

4:05 pm-4:50 pm

3 stops18h 45m

London Stansted

Sat 11/21

7:55 am-11:59 pm

3 stops22h 04m

$1,122

St. LouisLondon

STL Lambert-St Louis - STN London Stansted

STLSTN

Lambert-St Louis

Thu 1/14

7:29 am-9:55 am

2 stops20h 26m

London Stansted

Fri 1/22

5:20 pm-9:37 pm

2 stops34h 17m

$1,134

St. LouisLondon

STL Lambert-St Louis - STN London Stansted

STLSTN

Lambert-St Louis

Mon 11/30

1:14 pm-3:10 pm

2 stops19h 56m

London Stansted

Mon 12/7

8:10 am-12:12 am

3 stops22h 02m

$1,144

St. LouisLondon

STL Lambert-St Louis - STN London Stansted

STLSTN

Lambert-St Louis

Fri 12/4

5:38 pm-9:50 pm

2 stops22h 12m

London Stansted

Tue 12/8

12:05 pm-10:17 pm

2 stops16h 12m

$1,150

St. LouisLondon

STL Lambert-St Louis - STN London Stansted

STLSTN

Lambert-St Louis

Thu 12/3

6:30 am-9:55 am

2 stops21h 25m

London Stansted

Mon 12/7

10:55 am-9:57 pm

2 stops41h 02m

$1,154

St. LouisLondon

STL Lambert-St Louis - STN London Stansted

STLSTN

Lambert-St Louis

Wed 12/2

6:30 am-9:55 am

2 stops45h 25m

London Stansted

Sun 12/6

5:20 pm-9:57 pm

2 stops34h 37m

$1,160

St. LouisLondon

STL Lambert-St Louis - STN London Stansted

STLSTN

Lambert-St Louis

Wed 12/2

6:30 am-9:55 am

2 stops45h 25m

London Stansted

Mon 12/7

10:55 am-9:57 pm

2 stops41h 02m

$1,180

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

$391

Fastest flight time

19h 25m

Direct flights

None
The best one-way flight to London Stansted Airport from St. Louis in the past 72 hours is $391. The best round-trip flight deal from St. Louis to London Stansted Airport found on momondo in the last 72 hours is $1,078.
The fastest flight from St. Louis to London Stansted Airport takes 19h 25m
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 19h 25m.

  • 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
Croydon
Hayes
Milton Keynes
Luton
Stansted
Dover
Kingston upon Thames
Wembley
Richmond
Watford
Worthing
Harrow
Slough
Hook
Ilford
Canterbury
Dunstable
Eastbourne

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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