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Cheap flights from St. Louis to London Stansted Airport from £221

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 29/3. Fares are subject to change and may not be available on all flights or dates of travel.
STL — STN
12 Apr — 19 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from St. Louis to Stansted

Enter your travel dates to find the best prices.

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 13 March 2026.

Tue 14/416:05
STL
-
STN
2 stops21h 30m
Multiple Airlines
Tue 21/406:30
STN
-
STL
2 stops14h 55m
Multiple Airlines
Deal found 11/3£533
Tue 19/507:05
STL
-
STN
3 stops34h 15m
Multiple Airlines
Thu 28/519:50
STN
-
STL
2 stops23h 35m
Multiple Airlines
Deal found 10/3£557
Wed 15/416:05
STL
-
STN
2 stops14h 45m
Multiple Airlines
Wed 22/406:30
STN
-
STL
2 stops14h 55m
Multiple Airlines
Deal found 9/3£657
Tue 7/416:05
STL
-
STN
3 stops21h 00m
Multiple Airlines
Tue 14/417:05
STN
-
STL
2 stops26h 20m
Multiple Airlines
Deal found 10/3£657
Sun 3/513:00
STL
-
STN
3 stops28h 20m
Multiple Airlines
Tue 12/519:15
STN
-
STL
2 stops24h 10m
Multiple Airlines
Deal found 11/3£683
Wed 6/514:20
STL
-
STN
2 stops15h 50m
Multiple Airlines
Tue 12/518:45
STN
-
STL
2 stops24h 40m
Multiple Airlines
Deal found 13/3£688
Wed 8/415:30
STL
-
STN
2 stops25h 45m
Multiple Airlines
Tue 14/417:00
STN
-
STL
2 stops26h 25m
Multiple Airlines
Deal found 10/3£694
Mon 13/416:05
STL
-
STN
3 stops20h 10m
Multiple Airlines
Mon 27/420:50
STN
-
STL
3 stops24h 35m
Multiple Airlines
Deal found 11/3£700
Sun 10/514:20
STL
-
STN
3 stops27h 00m
Multiple Airlines
Wed 13/520:00
STN
-
STL
3 stops30h 25m
Multiple Airlines
Deal found 10/3£703

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 13 March 2026.

Round-trip from

£533

One-way from

£221

Popular in

June

Cheapest in

January

Average price

£557
14/4-21/4
  • 14/4-21/4
  • 4 total stops
  • 36h 25m total
  • St. Louis to London
Search Deals
29/3
  • 29/3
  • 3 total stops
  • 42h 03m total
  • St. Louis to London
Search Deals
Highest demand for flights based on searches. 25% potential increase in price (£167 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£24 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customise 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 858,174 searches. Data last updated 13 March 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 return flight

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

Sat 4/4

07:45-09:55

2 stops20h 10m

London Stansted

Sat 11/4

10:50-21:13

2 stops40h 23m

£780

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

Fri 24/4

07:45-16:40

2 stops50h 55m

London Stansted

Fri 1/5

06:55-21:13

2 stops44h 18m

£860

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

Mon 30/3

07:45-16:40

2 stops26h 55m

London Stansted

Tue 14/4

06:55-21:13

2 stops44h 18m

£862

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

Tue 5/5

07:45-16:40

2 stops50h 55m

London Stansted

Fri 15/5

17:35-21:13

2 stops33h 38m

£862

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

Mon 13/4

07:45-09:55

2 stops44h 10m

London Stansted

Tue 28/4

06:55-21:13

2 stops20h 18m

£862
Fastest return journey

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

Tue 18/8

08:55-19:35

2 stops28h 40m

London Stansted

Sun 23/8

22:00-13:25

2 stops21h 25m

£899

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

Tue 1/9

17:32-16:40

2 stops41h 08m

London Stansted

Tue 8/9

17:35-21:22

2 stops33h 47m

£1,035

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

Wed 2/9

17:32-16:40

2 stops41h 08m

London Stansted

Fri 11/9

10:50-21:22

2 stops40h 32m

£1,105

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

Sat 15/8

07:30-09:55

2 stops20h 25m

London Stansted

Sat 29/8

10:50-21:22

2 stops40h 32m

£1,151

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

Wed 10/6

06:00-16:40

2 stops28h 40m

London Stansted

Mon 22/6

10:50-21:16

2 stops40h 26m

£1,166

Flights are sorted by cheapest return flights first.

Deals found on 10/3

Showing 1-10 of 22 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 return 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.

  • How long is the flight from St. Louis to London Stansted Airport?

    Turkish Airlines can get you from St. Louis to London Stansted Airport in just under 20h 10m. Your travel time can differ by up to . The distance from St. Louis to London Stansted Airport is about 4200 mi.

  • 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 holiday 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

Travelling to a place near London Stansted Airport?

Book flights to London Stansted Airport if you plan to visit one of these locations
Milton Keynes
Wembley
Croydon
Luton
Hounslow
Slough
Gatwick
Ilford
Hayes
Brentford
Colchester
Guildford
Watford
Kingston upon Thames
Chelmsford
Eastbourne
Ipswich
Bedford
Romford
Southend-on-Sea

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How does Cheapflights help users find flights from St. Louis to Stansted?

Cheapflights helps you search for flights from St. Louis to Stansted via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from St. Louis to Stansted?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Stansted from St. Louis.

Can Cheapflights find flights from St. Louis to Stansted with no change fees?

Need flexible booking options for your flight to Stansted from St. Louis? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from St. Louis to Stansted become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Stansted from St. Louis today and book when prices fit your budget.

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