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Stansted

$286+ Cheap flights from St. Louis (STL) to Stansted (STN)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/9. Fares are subject to change and may not be available on all flights or dates of travel.
STL — STN
Mar 14 — Mar 211
Sat 3/14
Sat 3/21
1 adult, Economy
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Cheap flight deals from St. Louis to Stansted

Cheapest flights from St. Louis to Stansted
Explore the most affordable flight options available from St. Louis to Stansted. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 12, 2026.

This Mytrip deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/224:50 pm
STL
-
STN
2 stops24h 40m
Multiple Airlines
Tue 3/317:45 am
STN
-
STL
3 stops35h 40m
Multiple Airlines
Deal found 2/9$649
This Mytrip deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/104:05 pm
STL
-
STN
3 stops24h 15m
Multiple Airlines
Tue 3/179:45 pm
STN
-
STL
2 stops22h 44m
Multiple Airlines
Deal found 2/10$664
This Mytrip deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/61:00 pm
STL
-
STN
2 stops14h 35m
Multiple Airlines
Tue 5/126:55 pm
STN
-
STL
2 stops24h 30m
Multiple Airlines
Deal found 2/10$708
This Mytrip deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/304:05 pm
STL
-
STN
2 stops18h 45m
Multiple Airlines
Tue 4/147:15 pm
STN
-
STL
2 stops24h 10m
Multiple Airlines
Deal found 2/10$722
This Mytrip deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/102:20 pm
STL
-
STN
2 stops23h 10m
Multiple Airlines
Thu 5/146:30 am
STN
-
STL
2 stops19h 34m
Multiple Airlines
Deal found 2/9$764
This Mytrip deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/87:30 am
STL
-
STN
3 stops25h 55m
Multiple Airlines
Wed 5/208:00 pm
STN
-
STL
3 stops30h 05m
Multiple Airlines
Deal found 2/10$841

Find flight deals from St. Louis to Stansted

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Stansted (STN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated February 12, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$649
(Mytrip)

One-way from

$286
(Mytrip)

Popular in

June

Cheapest in

January

Average price

$801
Provider with most accurate pricing for Lambert-St Louis-London (LON) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lambert-St Louis-London (LON) flights.
Search Deals
From Lambert-St Louis to London Stansted
Search Deals
One-way flight from Lambert-St Louis to London Stansted
Search Deals
Highest demand for flights based on searches. 26% potential increase in price ($307 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($41 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from St. Louis to Stansted that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 12, 2026.
Use the filters below to find and compare flights from St. Louis to London Stansted Airport that are best for you.

Fly from

St. Louis

Fly to

Stansted

Route

Depart

Return

Price

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

Tue 3/10

4:05 pm-9:20 pm

3 stops24h 15m

London Stansted

Tue 3/17

9:45 pm-3:29 pm

2 stops22h 44m

$664

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

Sun 5/10

2:20 pm-7:30 pm

2 stops23h 10m

London Stansted

Thu 5/14

6:30 am-8:04 pm

2 stops19h 34m

$764

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

Fri 5/15

1:00 pm-2:15 pm

2 stops19h 15m

London Stansted

Mon 5/18

6:30 am-8:04 pm

2 stops19h 34m

$1,036

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

Wed 2/25

4:05 pm-10:35 pm

3 stops24h 30m

London Stansted

Sat 2/28

2:55 pm-1:55 pm

2 stops29h 00m

$1,056

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

Sat 5/16

2:20 pm-12:55 pm

2 stops16h 35m

London Stansted

Fri 5/29

8:00 pm-8:05 pm

2 stops30h 05m

$1,064

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

Tue 3/31

7:45 am-9:55 am

2 stops20h 10m

London Stansted

Wed 4/8

10:50 am-9:08 pm

2 stops40h 18m

$1,148

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

Mon 3/30

7:45 am-4:50 pm

2 stops27h 05m

London Stansted

Tue 4/14

5:45 pm-9:08 pm

2 stops33h 23m

$1,148

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

Mon 3/30

7:45 am-10:10 pm

2 stops32h 25m

London Stansted

Wed 4/8

6:15 am-9:08 pm

2 stops44h 53m

$1,148

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

Sun 8/9

12:10 pm-12:55 pm

2 stops18h 45m

$286

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

Sun 5/17

11:21 am-7:50 am

3 stops38h 29m

$365

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/9

Showing 1-10 of 16 results
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Best time to book a flight from St. Louis to Stansted

Have a flexible travel schedule? Discover the best time to fly to Stansted from St. Louis with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Stansted. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from St. Louis to London Stansted?

    If you book a flight to London Stansted from St. Louis, you will be flying from Lambert-St Louis, which is the city’s only airport. Lambert-St Louis (STL) is located 12.7 mi from the center of St. Louis. There are 0 flights from Lambert-St Louis to London Stansted per day from 0 different airlines.

  • Can I find deals for flights from St. Louis to Stansted that include hotel bookings?

    Yes. In addition to deals on St. Louis to Stansted flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Stansted?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Stansted.

  • Can I find deals for business class flights from St. Louis to Stansted?

    Yes. Cheapflights offers flight deals from St. Louis to Stansted by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near London Stansted Airport?

Book flights to London Stansted Airport if you plan to visit one of these locations
Ilford
Croydon
Hounslow
Southend-on-Sea
Harrow
Eastleigh
Gatwick
Dartford
Dover
Winchester
Orpington
Watford
Hayes
Borehamwood
Aylesbury
Chipping Norton
Horley
Kingston upon Thames
Eastbourne
Sutton

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