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Stansted

$345+ 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 10/7. Fares are subject to change and may not be available on all flights or dates of travel.
STL — STN
Aug 14 — Aug 211
Fri 8/14
Fri 8/21
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 July 15, 2026.

This Mytrip deal was found by Cheapflights users on 7/15. 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 10/132:40 pm
STL
-
STN
2 stops19h 20m
Multiple Airlines
Fri 10/166:35 am
STN
-
STL
2 stops19h 25m
Multiple Airlines
Deal found 7/15$1,045
This Mytrip deal was found by Cheapflights users on 7/11. 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 8/193:30 pm
STL
-
STN
2 stops16h 15m
Multiple Airlines
Sun 8/236:35 am
STN
-
STL
2 stops19h 49m
Multiple Airlines
Deal found 7/11$1,057
This Mytrip deal was found by Cheapflights users on 7/12. 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 9/188:55 am
STL
-
STN
2 stops32h 00m
Multiple Airlines
Sun 9/205:20 pm
STN
-
STL
3 stops33h 00m
Multiple Airlines
Deal found 7/12$1,058
This Mytrip deal was found by Cheapflights users on 7/11. 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 8/1012:10 pm
STL
-
STN
3 stops30h 10m
Multiple Airlines
Mon 8/1710:00 pm
STN
-
STL
3 stops28h 24m
Multiple Airlines
Deal found 7/11$1,066
This Mytrip deal was found by Cheapflights users on 7/12. 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 8/1912:10 pm
STL
-
STN
2 stops17h 25m
Multiple Airlines
Mon 8/246:30 am
STN
-
STL
3 stops19h 54m
Multiple Airlines
Deal found 7/12$1,068
This Mytrip deal was found by Cheapflights users on 7/12. 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 10/42:40 pm
STL
-
STN
3 stops26h 30m
Multiple Airlines
Wed 10/148:20 am
STN
-
STL
2 stops17h 40m
Multiple Airlines
Deal found 7/12$1,085
This Mytrip deal was found by Cheapflights users on 7/11. 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.
Sat 8/82:40 pm
STL
-
STN
2 stops16h 15m
Multiple Airlines
Fri 8/216:35 am
STN
-
STL
2 stops19h 49m
Multiple Airlines
Deal found 7/11$1,096
This Mytrip deal was found by Cheapflights users on 7/12. 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 9/2912:10 pm
STL
-
STN
2 stops26h 45m
Multiple Airlines
Fri 10/26:35 am
STN
-
STL
2 stops19h 25m
Multiple Airlines
Deal found 7/12$1,123

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 July 15, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,057
(Mytrip)

One-way from

$345
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$1,297
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. 28% potential increase in price ($351 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($46 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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 July 15, 2026.
Use the filters below to find and compare flights from St. Louis to London Stansted Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

Sun 10/4

8:00 am-10:10 pm

2 stops32h 10m

London Stansted

Tue 10/13

5:35 pm-9:21 pm

2 stops33h 46m

$1,176

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

Wed 10/21

8:00 am-4:40 pm

2 stops26h 40m

London Stansted

Wed 10/28

10:55 am-3:41 pm

2 stops33h 46m

$1,176

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

Sat 9/19

8:00 am-9:55 am

2 stops19h 55m

London Stansted

Sun 10/4

10:50 am-9:21 pm

2 stops40h 31m

$1,176

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

Fri 9/18

8:00 am-4:50 pm

2 stops26h 50m

London Stansted

Sat 9/26

10:50 am-9:21 pm

2 stops40h 31m

$1,176

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

Fri 10/16

8:00 am-10:10 pm

2 stops32h 10m

London Stansted

Thu 10/22

5:35 pm-9:21 pm

2 stops33h 46m

$1,276

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

Wed 10/7

8:00 am-10:10 pm

2 stops32h 10m

London Stansted

Mon 10/12

10:50 am-9:21 pm

2 stops40h 31m

$1,276

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

Thu 11/5

7:33 am-4:20 pm

2 stops26h 47m

London Stansted

Mon 11/9

10:55 am-3:41 pm

2 stops34h 46m

$1,311
Quickest round-trip

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

Sun 9/27

8:00 am-9:55 am

2 stops19h 55m

London Stansted

Wed 10/7

6:55 am-9:21 pm

2 stops20h 26m

$1,351

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

Wed 10/7

8:00 am-4:40 pm

2 stops26h 40m

London Stansted

Wed 10/21

6:55 am-9:21 pm

2 stops20h 26m

$1,366

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

Sat 10/3

8:00 am-9:55 am

2 stops19h 55m

London Stansted

Thu 10/8

5:35 pm-9:21 pm

2 stops33h 46m

$1,366

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/10

Showing 1-10 of 19 resultsSorted by cheapest first
1
2

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.

  • How long is the flight from St. Louis to London Stansted Airport?

    For as low as $1,176, Turkish Airlines can have you in London Stansted Airport from St. Louis in 32h 10m. Airlines will cover a distance of 4200 mi.

  • 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
Dorking
Hounslow
Winchester
Croydon
Gatwick
Wembley
Harrow
Eastleigh
Dartford
Southend-on-Sea
Watford
Chipping Norton
Kingston upon Thames
Eastbourne
Slough
Stansted
Sutton
Luton
Harlow

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