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Stansted

$378+ 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 11/23. Fares are subject to change and may not be available on all flights or dates of travel.
STL — STN
Dec 6 — Dec 131
Sat 12/6
Sat 12/13
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 November 6, 2025.

Most accurate provider

Gotogate
3 stars

Most trusted provider

Gotogate
3 stars

Round-trip from

$727
(Mytrip)

One-way from

$378
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$776
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 ($257 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($38 potential savings vs. average RT price).
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Average for round-trip flights in November 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 November 6, 2025.

This Mytrip deal was found by Cheapflights users on 11/6. 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 12/54:05 pmSTL - STN
3 stops25h 05mMultiple Airlines
Wed 12/106:05 pmSTN - STL
3 stops35h 37mMultiple Airlines
Deal found 11/6$727
This Mytrip deal was found by Cheapflights users on 11/6. 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 11/114:05 pmSTL - STN
3 stops25h 05mMultiple Airlines
Tue 11/187:30 pmSTN - STL
2 stops24h 25mMultiple Airlines
Deal found 11/6$1,193
This Mytrip deal was found by Cheapflights users on 11/6. 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 11/163:50 pmSTL - STN
2 stops24h 45mMultiple Airlines
Thu 11/201:10 pmSTN - STL
2 stops30h 45mMultiple Airlines
Deal found 11/6$1,219
This Mytrip deal was found by Cheapflights users on 11/6. 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 11/114:05 pmSTL - STN
3 stops25h 05mMultiple Airlines
Fri 11/286:45 pmSTN - STL
3 stops30h 54mMultiple Airlines
Deal found 11/6$1,223
This Mytrip deal was found by Cheapflights users on 11/5. 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 12/104:05 pmSTL - STN
3 stops21h 05mMultiple Airlines
Fri 12/125:55 amSTN - STL
3 stops24h 04mMultiple Airlines
Deal found 11/5$1,550
This Mytrip deal was found by Cheapflights users on 11/5. 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 12/33:50 pmSTL - STN
2 stops20h 20mMultiple Airlines
Sat 12/65:55 amSTN - STL
3 stops19h 18mMultiple Airlines
Deal found 11/5$1,750
This Mytrip deal was found by Cheapflights users on 11/5. 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 11/263:50 pmSTL - STN
3 stops24h 50mMultiple Airlines
Sun 11/306:00 amSTN - STL
3 stops23h 56mMultiple Airlines
Deal found 11/5$1,890

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 November 6, 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 12/5

4:05 pm-11:10 pm

3 stops25h 05m

London Stansted

Wed 12/10

6:05 pm-11:42 pm

3 stops35h 37m

$727

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

Sun 1/4

3:50 pm-8:15 pm

2 stops22h 25m

London Stansted

Sat 1/24

8:10 am-1:55 pm

2 stops35h 45m

$981

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

Tue 11/11

4:05 pm-11:10 pm

3 stops25h 05m

London Stansted

Tue 11/18

7:30 pm-1:55 pm

2 stops24h 25m

$1,193

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

Sun 11/16

3:50 pm-10:35 pm

2 stops24h 45m

London Stansted

Thu 11/20

1:10 pm-1:55 pm

2 stops30h 45m

$1,219

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

Tue 11/11

4:05 pm-11:10 pm

3 stops25h 05m

London Stansted

Fri 11/28

6:45 pm-7:39 pm

3 stops30h 54m

$1,223

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

Wed 12/10

4:05 pm-7:10 pm

3 stops21h 05m

London Stansted

Fri 12/12

5:55 am-11:59 pm

3 stops24h 04m

$1,550

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

Fri 1/16

4:05 pm-11:55 pm

2 stops25h 50m

London Stansted

Wed 1/21

4:20 pm-4:03 pm

3 stops29h 43m

$1,619

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

Wed 12/3

3:50 pm-6:10 pm

2 stops20h 20m

London Stansted

Sat 12/6

5:55 am-7:13 pm

3 stops19h 18m

$1,750

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

Sun 11/23

3:14 pm-7:50 am

3 stops34h 36m

$378

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

Thu 12/11

12:04 pm-7:50 am

3 stops37h 46m

$400

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/6

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

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