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Stansted

$283+ 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 4/20. Fares are subject to change and may not be available on all flights or dates of travel.
STL — STN
Apr 6 — Apr 131
Mon 4/6
Mon 4/13
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 March 7, 2026.

This Mytrip deal was found by Cheapflights users on 3/7. 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 4/214:05 pm
STL
-
STN
2 stops23h 15m
Multiple Airlines
Tue 4/286:30 am
STN
-
STL
2 stops14h 55m
Multiple Airlines
Deal found 3/7$794
This Mytrip deal was found by Cheapflights users on 3/4. 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 4/223:30 pm
STL
-
STN
2 stops24h 00m
Multiple Airlines
Thu 4/309:55 pm
STN
-
STL
2 stops28h 30m
Multiple Airlines
Deal found 3/4$836
This Mytrip deal was found by Cheapflights users on 3/6. 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.
Thu 5/71:00 pm
STL
-
STN
2 stops17h 35m
Multiple Airlines
Thu 5/146:50 pm
STN
-
STL
2 stops24h 35m
Multiple Airlines
Deal found 3/6$846
This Mytrip deal was found by Cheapflights users on 3/5. 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.
Sun 4/264:05 pm
STL
-
STN
2 stops18h 45m
Multiple Airlines
Sun 5/38:30 am
STN
-
STL
2 stops17h 34m
Multiple Airlines
Deal found 3/5$895
This Mytrip deal was found by Cheapflights users on 3/4. 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 3/304:05 pm
STL
-
STN
2 stops21h 20m
Multiple Airlines
Fri 5/16:35 am
STN
-
STL
2 stops19h 29m
Multiple Airlines
Deal found 3/4$910
This Mytrip deal was found by Cheapflights users on 3/3. 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.
Tue 5/121:00 pm
STL
-
STN
3 stops25h 55m
Multiple Airlines
Sun 5/178:15 pm
STN
-
STL
3 stops30h 10m
Multiple Airlines
Deal found 3/3$967
This Mytrip deal was found by Cheapflights users on 3/4. 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 3/304:05 pm
STL
-
STN
2 stops21h 20m
Multiple Airlines
Sat 4/48:55 pm
STN
-
STL
3 stops30h 16m
Multiple Airlines
Deal found 3/4$991
This Mytrip deal was found by Cheapflights users on 3/4. 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.
Thu 5/77:05 am
STL
-
STN
2 stops35h 20m
Multiple Airlines
Sun 5/106:35 am
STN
-
STL
2 stops19h 29m
Multiple Airlines
Deal found 3/4$1,000

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 March 7, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$763
(Mytrip)

One-way from

$283
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$740
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. 25% potential increase in price ($295 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($42 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 March 7, 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

Mon 4/20

7:45 am-4:40 pm

2 stops26h 55m

London Stansted

Mon 4/27

10:50 am-9:13 pm

2 stops40h 23m

$1,144

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

Wed 4/22

7:45 am-9:55 am

2 stops44h 10m

London Stansted

Wed 4/29

6:55 am-9:13 pm

2 stops20h 18m

$1,145

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

Fri 4/24

7:45 am-10:10 pm

2 stops32h 25m

London Stansted

Fri 5/1

5:35 pm-9:13 pm

2 stops33h 38m

$1,145

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

Mon 3/30

7:45 am-4:40 pm

2 stops26h 55m

London Stansted

Tue 4/14

5:35 pm-9:13 pm

2 stops33h 38m

$1,145

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

Mon 3/30

7:45 am-4:40 pm

2 stops26h 55m

London Stansted

Fri 4/10

5:35 pm-9:13 pm

2 stops33h 38m

$1,145

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

Mon 4/13

7:45 am-4:50 pm

2 stops51h 05m

London Stansted

Tue 4/28

5:35 pm-9:13 pm

2 stops33h 38m

$1,145

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

Mon 3/30

7:45 am-4:40 pm

2 stops26h 55m

London Stansted

Wed 4/8

5:45 pm-9:13 pm

2 stops33h 28m

$1,147

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

Thu 4/2

7:45 am-4:40 pm

2 stops26h 55m

London Stansted

Thu 4/9

5:35 pm-9:13 pm

2 stops33h 38m

$1,254

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

Sat 5/9

7:45 am-9:55 am

2 stops20h 10m

London Stansted

Sun 5/10

5:35 pm-9:13 pm

2 stops33h 38m

$1,334

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

Mon 8/17

5:32 pm-10:10 pm

2 stops22h 38m

London Stansted

Mon 8/24

10:50 am-9:22 pm

2 stops40h 32m

$1,379

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/5

Showing 1-10 of 21 resultsSorted by cheapest first
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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
Croydon
Gatwick
Southend-on-Sea
Harrow
Eastleigh
Dartford
Dover
Winchester
Orpington
Watford
Borehamwood
Aylesbury
Chipping Norton
Hayes
Kingston upon Thames
Eastbourne
Sutton
Slough

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