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Stansted

$375+ 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 2/15. Fares are subject to change and may not be available on all flights or dates of travel.
STL — STN
ene. 3 — ene. 101
sáb. 1/3
sáb. 1/10
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 diciembre 4, 2025.

This Mytrip deal was found by Cheapflights users on 12/2. 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.
vie. 12/264:53 pmSTL - STN
2 stops21h 12mMultiple Airlines
vie. 1/26:45 pmSTN - STL
2 stops26h 44mMultiple Airlines
Deal found 12/2$2,106
This Mytrip deal was found by Cheapflights users on 12/2. 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.
vie. 12/264:53 pmSTL - STN
2 stops19h 27mMultiple Airlines
jue. 1/86:15 pmSTN - STL
2 stops25h 40mMultiple Airlines
Deal found 12/2$2,325
This Mytrip deal was found by Cheapflights users on 12/3. 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.
lun. 12/154:49 pmSTL - STN
2 stops15h 31mMultiple Airlines
sáb. 12/208:00 pmSTN - STL
2 stops25h 29mMultiple Airlines
Deal found 12/3$2,373
This Mytrip deal was found by Cheapflights users on 12/2. 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.
lun. 12/294:53 pmSTL - STN
2 stops22h 27mMultiple Airlines
jue. 1/17:45 pmSTN - STL
2 stops25h 44mMultiple Airlines
Deal found 12/2$2,771
This Mytrip deal was found by Cheapflights users on 12/2. 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.
sáb. 12/274:05 pmSTL - STN
3 stops18h 30mMultiple Airlines
sáb. 1/312:00 pmSTN - STL
2 stops31h 55mMultiple Airlines
Deal found 12/2$2,800

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 diciembre 4, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$822
(Mytrip)

One-way from

$375
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$1,129
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. 23% potential increase in price ($275 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($40 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 diciembre 4, 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. 1/11

3:50 pm-6:20 am

3 stops32h 30m

London Stansted

mar. 1/27

8:10 am-1:55 pm

2 stops35h 45m

$822

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

dom. 1/18

3:50 pm-4:10 pm

2 stops18h 20m

London Stansted

mié. 4/1

3:35 pm-3:24 pm

3 stops29h 49m

$1,427

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

vie. 12/26

4:53 pm-8:05 pm

2 stops21h 12m

London Stansted

vie. 1/2

6:45 pm-3:29 pm

2 stops26h 44m

$2,106

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

mar. 3/3

4:05 pm-8:30 pm

3 stops22h 25m

London Stansted

dom. 3/8

9:40 pm-11:51 pm

3 stops31h 11m

$2,291

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

vie. 12/26

4:53 pm-6:20 pm

2 stops19h 27m

London Stansted

jue. 1/8

6:15 pm-1:55 pm

2 stops25h 40m

$2,325

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

lun. 12/15

4:49 pm-2:20 pm

2 stops15h 31m

London Stansted

sáb. 12/20

8:00 pm-3:29 pm

2 stops25h 29m

$2,373

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

lun. 12/29

4:53 pm-9:20 pm

2 stops22h 27m

London Stansted

jue. 1/1

7:45 pm-3:29 pm

2 stops25h 44m

$2,771

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

sáb. 12/27

4:05 pm-4:35 pm

3 stops18h 30m

London Stansted

sáb. 1/3

12:00 pm-1:55 pm

2 stops31h 55m

$2,800

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

dom. 2/15

4:05 pm-6:25 pm

3 stops20h 20m

London Stansted

sáb. 2/21

6:00 am-12:05 am

3 stops24h 05m

$3,323

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

dom. 2/15

10:42 am-4:55 pm

3 stops48h 13m

$375

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/2

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
Hounslow
Hayes
Southend-on-Sea
Harrow
Eastleigh
Dartford
Dover
Winchester
Croydon
Orpington
Watford
Borehamwood
Aylesbury
Chipping Norton
Kingston upon Thames
Wembley
Folkestone
Eastbourne
Sutton

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