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Stansted

$374+ 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 10/16. Fares are subject to change and may not be available on all flights or dates of travel.
STL — STN
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
1 adult, Economy
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Cheap 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 August 14, 2025.

Round-trip from

$1,014
(Ovago)

One-way from

$374
(Kiwi.com)

Popular in

June

Cheapest in

April

Average price

$799
From Lambert-St Louis to London Stansted
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One-way flight from Lambert-St Louis to London Stansted
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Highest demand for flights based on searches. 21% potential increase in price ($249 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($37 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find 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 August 14, 2025.

This Mytrip deal was found by Cheapflights users on 8/11. 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.
Fri 10/179:15 amSTL - STN
3 stops23h 45mMultiple Airlines
Tue 10/217:15 amSTN - STL
2 stops18h 23mMultiple Airlines
Deal found 8/11$730
This Mytrip deal was found by Cheapflights users on 8/11. 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 10/151:30 pmSTL - STN
2 stops25h 20mMultiple Airlines
Mon 10/207:00 pmSTN - STL
3 stops26h 18mMultiple Airlines
Deal found 8/11$850
This Ovago deal was found by Cheapflights users on 8/14. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/285:28 pmSTL - STN
2 stops43h 32mLufthansa
Sun 10/57:50 pmSTN - STL
2 stops25h 54mLufthansa
Deal found 8/14$1,014
This Mytrip deal was found by Cheapflights users on 8/14. 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 9/134:05 pmSTL - STN
2 stops20h 30mMultiple Airlines
Sat 9/206:35 amSTN - STL
3 stops38h 43mMultiple Airlines
Deal found 8/14$1,095
This Mytrip deal was found by Cheapflights users on 8/14. 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 9/281:30 pmSTL - STN
2 stops16h 25mMultiple Airlines
Sun 10/56:00 amSTN - STL
2 stops19h 38mMultiple Airlines
Deal found 8/14$1,116
This Mytrip deal was found by Cheapflights users on 8/13. 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 8/221:30 pmSTL - STN
2 stops18h 50mMultiple Airlines
Tue 8/269:25 pmSTN - STL
2 stops23h 56mMultiple Airlines
Deal found 8/13$1,269
This Mytrip deal was found by Cheapflights users on 8/13. 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 8/291:30 pmSTL - STN
3 stops22h 55mMultiple Airlines
Tue 9/27:50 amSTN - STL
2 stops18h 07mMultiple Airlines
Deal found 8/13$1,317
This Mytrip deal was found by Cheapflights users on 8/12. 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 9/269:15 amSTL - STN
2 stops28h 15mMultiple Airlines
Fri 10/37:50 pmSTN - STL
3 stops30h 07mMultiple Airlines
Deal found 8/12$1,369
This Mytrip deal was found by Cheapflights users on 8/14. 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 9/241:30 pmSTL - STN
2 stops18h 20mMultiple Airlines
Fri 9/266:05 amSTN - STL
2 stops19h 33mMultiple Airlines
Deal found 8/14$1,385

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 August 14, 2025.
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

Fri 10/17

9:15 am-3:00 pm

3 stops23h 45m

London Stansted

Tue 10/21

7:15 am-7:38 pm

2 stops18h 23m

$730

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

Wed 10/15

1:30 pm-8:50 pm

2 stops25h 20m

London Stansted

Mon 10/20

7:00 pm-3:18 pm

3 stops26h 18m

$850

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

Sun 9/28

5:28 pm-7:00 pm

2 stops43h 32m

London Stansted

Sun 10/5

7:50 pm-3:44 pm

2 stops25h 54m

$1,014

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

Sat 9/13

4:05 pm-6:35 pm

2 stops20h 30m

London Stansted

Sat 9/20

6:35 am-3:18 pm

3 stops38h 43m

$1,095

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

Sun 9/28

1:30 pm-11:55 am

2 stops16h 25m

London Stansted

Sun 10/5

6:00 am-7:38 pm

2 stops19h 38m

$1,116

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

Fri 8/29

1:30 pm-6:25 pm

3 stops22h 55m

London Stansted

Tue 9/2

7:50 am-7:57 pm

2 stops18h 07m

$1,317

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

Fri 9/26

9:15 am-7:30 pm

2 stops28h 15m

London Stansted

Fri 10/3

7:50 pm-7:57 pm

3 stops30h 07m

$1,369

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

Wed 9/24

1:30 pm-11:50 am

2 stops16h 20m

London Stansted

Fri 9/26

6:05 am-7:38 pm

3 stops19h 33m

$1,385

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

Thu 10/16

10:57 am-10:25 pm

3 stops29h 28m

$374

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

Mon 9/15

4:00 pm-10:40 am

3 stops36h 40m

$383

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/13

Showing 1-10 of 14 results
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.

  • 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
Hounslow
Hayes
Thornton Heath
Harrow
Canterbury
Dartford
Dover
Orpington
Watford
Gatwick
Borehamwood
Aylesbury
Chelmsford
Southend-on-Sea
Folkestone
Chichester
Arundel
Eastbourne
Milton Keynes
Sutton

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