Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from St. Louis to London Stansted Airport from $520

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 Stansted Airport departing on 6/10. 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

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Find the cheapest flights from St. Louis to London

Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from St. Louis to London.
Lufthansa Logo
5:30 pm - 7:00 pmSTL-STN
19h 30m2 stops
Lufthansa Logo
7:50 pm - 3:38 pmSTN-STL
25h 48m2 stops
$811Lufthansa
Find Deal
Mon, Sep 22 - Mon, Sep 29
 Logo
4:00 pm - 8:35 pmSTL-STN
22h 35m3 stops
 Logo
10:05 pm - 8:00 pmSTN-STL
27h 55m2 stops
Tue, Jul 1 - Tue, Jul 8
 Logo
7:30 am - 2:25 pmSTL-STN
24h 55m3 stops
 Logo
11:25 am - 1:30 pmSTN-STL
32h 05m2 stops
Wed, May 21 - Tue, May 27
 Logo
4:00 pm - 8:35 pmSTL-STN
22h 35m3 stops
 Logo
10:05 pm - 3:16 pmSTN-STL
23h 11m3 stops
$1,000
Find Deal
Tue, Jul 1 - Tue, Jul 8
 Logo
7:30 am - 4:35 pmSTL-STN
27h 05m3 stops
 Logo
6:50 am - 12:36 pmSTN-STL
35h 46m2 stops
$1,059
Find Deal
Tue, Jun 17 - Thu, Jun 19
 Logo
7:30 am - 3:00 pmSTL-STN
25h 30m2 stops
 Logo
6:40 am - 12:46 pmSTN-STL
36h 06m3 stops
$1,081
Find Deal
Tue, Jun 3 - Fri, Jul 4
 Logo
7:30 am - 7:55 pmSTL-STN
30h 25m2 stops
 Logo
7:50 am - 12:27 pmSTN-STL
34h 37m3 stops
$1,111
Find Deal
Tue, Jun 3 - Tue, Jul 8
 Logo
2:30 pm - 6:00 pmSTL-STN
21h 30m2 stops
 Logo
12:20 am - 7:43 pmSTN-STL
25h 23m3 stops
$1,169
Find Deal
Thu, Jun 5 - Wed, Jun 11
 Logo
4:00 pm - 6:25 pmSTL-STN
20h 25m2 stops
 Logo
6:30 am - 6:32 pmSTN-STL
42h 02m3 stops
$1,180
Find Deal
Fri, Jul 18 - Mon, Jul 28
 Logo
7:30 am - 7:25 pmSTL-STN
29h 55m2 stops
 Logo
8:25 pm - 7:43 pmSTN-STL
29h 18m2 stops
$1,183
Find Deal
Thu, Jun 5 - Thu, Jun 12

See travel insights to London from

How to get the cheapest flight ticket from St. Louis to London Stansted Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to London Stansted Airport?

The cheapest day to depart on your flight to London Stansted Airport is on a Tuesday when prices can be found for as low as $777. This is often the case because there is less demand to fly during this day of the week. On the other hand, Tuesday is the most expensive day to depart from St. Louis because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $777.

What is the cheapest time of day to depart on your flight to London Stansted Airport?

Our most recent data shows that the best time of day to fly to London Stansted Airport is in the afternoon. Flights from St. Louis to London Stansted Airport during this time can be as low as $777. In contrast, the most expensive time of day to depart to London Stansted Airport is in the afternoon when prices are around $777.

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

$520

Fastest flight time

15h 55m

Direct flights

None
The best one-way flight to London Stansted Airport from St. Louis in the past 72 hours is $520. The best round-trip flight deal from St. Louis to London Stansted Airport found on momondo in the last 72 hours is $811.
The fastest flight from St. Louis to London Stansted Airport takes 15h 55m
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?

    There are 4199.6 mi between Lambert-St Louis and London Stansted. By plane, this route typically takes 15h 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.


Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Gatwick
Hounslow
Croydon
Luton
Guildford
Slough
Hayes
Dartford
Dover
Stansted
Ilford
Milton Keynes
Canterbury
Colchester
Horley
Wembley
Chelmsford
Richmond
Crawley
Hook

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.


An easier way to manage your London Stansted Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
From?
To?
Mon 4/28
Mon 5/5

Find better results for your trip to London

Popular cities in the United Kingdom

Popular flights according to clicks in the last 7 days on momondo