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Stansted

$298+ 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 12/8. Fares are subject to change and may not be available on all flights or dates of travel.
STL — STN
oct. 30 — nov. 61
jue. 10/30
jue. 11/6
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 septiembre 30, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$901
(Mytrip)

One-way from

$298
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$814
Provider with most accurate pricing for Lambert-St Louis-London (LON) flight deals.
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Provider most trusted by Cheapflights users for Lambert-St Louis-London (LON) flights.
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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 ($253 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 September 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 septiembre 30, 2025.

This Mytrip deal was found by Cheapflights users on 9/29. 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.
dom. 11/23:50 pmSTL - STN
2 stops18h 25mMultiple Airlines
sáb. 11/84:20 pmSTN - STL
2 stops27h 35mMultiple Airlines
Deal found 9/29$901
This Mytrip deal was found by Cheapflights users on 9/29. 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.
mié. 10/11:30 pmSTL - STN
2 stops16h 20mMultiple Airlines
lun. 10/66:45 amSTN - STL
3 stops18h 53mMultiple Airlines
Deal found 9/29$1,081
This Mytrip deal was found by Cheapflights users on 9/29. 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.
mié. 11/193:50 pmSTL - STN
2 stops18h 15mMultiple Airlines
dom. 11/237:30 pmSTN - STL
3 stops34h 26mMultiple Airlines
Deal found 9/29$1,103
This Mytrip deal was found by Cheapflights users on 9/29. 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.
mar. 11/184:05 pmSTL - STN
3 stops20h 35mMultiple Airlines
dom. 11/237:30 pmSTN - STL
3 stops34h 26mMultiple Airlines
Deal found 9/29$1,107
This Mytrip deal was found by Cheapflights users on 9/30. 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.
dom. 11/234:05 pmSTL - STN
2 stops21h 20mMultiple Airlines
vie. 11/286:55 pmSTN - STL
2 stops26h 34mMultiple Airlines
Deal found 9/30$1,186
This Mytrip deal was found by Cheapflights users on 9/30. 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.
mié. 10/14:05 pmSTL - STN
2 stops16h 20mMultiple Airlines
mar. 10/79:25 pmSTN - STL
2 stops22h 05mMultiple Airlines
Deal found 9/30$1,394
This Mytrip deal was found by Cheapflights users on 9/29. 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.
mié. 10/294:05 pmSTL - STN
3 stops19h 00mMultiple Airlines
vie. 11/75:55 amSTN - STL
3 stops24h 01mMultiple Airlines
Deal found 9/29$1,420

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 septiembre 30, 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

dom. 11/2

3:50 pm-4:15 pm

2 stops18h 25m

London Stansted

sáb. 11/8

4:20 pm-1:55 pm

2 stops27h 35m

$901

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

mié. 11/19

3:50 pm-4:05 pm

2 stops18h 15m

London Stansted

dom. 11/23

7:30 pm-11:56 pm

3 stops34h 26m

$1,103

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

mar. 11/18

4:05 pm-6:40 pm

3 stops20h 35m

London Stansted

dom. 11/23

7:30 pm-11:56 pm

3 stops34h 26m

$1,107

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

mié. 10/29

4:05 pm-4:05 pm

3 stops19h 00m

London Stansted

vie. 11/7

5:55 am-11:56 pm

3 stops24h 01m

$1,420

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

sáb. 3/21

5:18 pm-9:50 am

2 stops35h 32m

London Stansted

sáb. 3/28

10:50 am-2:18 pm

2 stops32h 28m

$1,489

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

sáb. 3/28

5:18 pm-9:15 am

2 stops34h 57m

London Stansted

sáb. 4/4

11:10 am-2:18 pm

2 stops33h 08m

$1,492

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

sáb. 3/21

5:18 pm-9:50 am

2 stops35h 32m

London Stansted

jue. 3/26

5:20 pm-2:18 pm

2 stops49h 58m

$1,496

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

lun. 12/8

9:45 am-8:05 am

3 stops40h 20m

$298

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

mié. 10/15

3:30 pm-9:25 pm

2 stops23h 55m

$356

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

sáb. 11/15

4:33 pm-12:50 am

3 stops50h 17m

$445

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/30

Showing 1-10 of 13 results
1
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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
Hounslow
Hayes
Ilford
Southend-on-Sea
Harrow
Canterbury
Croydon
Eastleigh
Dartford
Dover
Winchester
Orpington
Gatwick
Borehamwood
Aylesbury
Bedford
Chipping Norton
Wembley
Folkestone
Chichester

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