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Cheap flights from London Stansted Airport to St. Louis from £358

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 11/8. Fares are subject to change and may not be available on all flights or dates of travel.
STN — STL
24 Jul — 31 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Stansted to St. Louis

Enter your travel dates to find the best prices.

Cheapest flights from Stansted to St. Louis
Explore the most affordable flight options available from Stansted to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 24 June 2026.

Fri 21/806:35
STN
-
STL
2 stops19h 49m
Multiple Airlines
Sun 30/814:40
STL
-
STN
2 stops14h 40m
Multiple Airlines
Deal found 21/6£803
Tue 30/619:15
STN
-
STL
3 stops24h 10m
Multiple Airlines
Wed 8/708:55
STL
-
STN
2 stops30h 45m
Multiple Airlines
Deal found 21/6£811
Fri 10/721:55
STN
-
STL
2 stops22h 07m
Multiple Airlines
Fri 24/715:30
STL
-
STN
2 stops27h 10m
Multiple Airlines
Deal found 21/6£858
Fri 10/721:55
STN
-
STL
2 stops22h 07m
Multiple Airlines
Sun 26/712:10
STL
-
STN
2 stops20h 00m
Multiple Airlines
Deal found 23/6£904
Tue 30/613:35
STN
-
STL
2 stops29h 50m
Multiple Airlines
Tue 7/708:55
STL
-
STN
3 stops25h 05m
Multiple Airlines
Deal found 19/6£910
Thu 16/706:05
STN
-
STL
2 stops20h 17m
Multiple Airlines
Wed 22/714:40
STL
-
STN
2 stops16h 05m
Multiple Airlines
Deal found 23/6£923
Thu 25/619:25
STN
-
STL
3 stops30h 42m
Multiple Airlines
Thu 2/712:10
STL
-
STN
3 stops20h 45m
Multiple Airlines
Deal found 22/6£936
Thu 9/720:30
STN
-
STL
3 stops29h 37m
Multiple Airlines
Sat 18/712:10
STL
-
STN
2 stops27h 45m
Multiple Airlines
Deal found 19/6£965
Wed 1/706:30
STN
-
STL
3 stops20h 16m
Multiple Airlines
Thu 23/714:40
STL
-
STN
2 stops27h 45m
Multiple Airlines
Deal found 21/6£990

Find flight deals from Stansted to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Stansted (STN) to St. Louis (STL). 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 24 June 2026.

Round-trip from

£803

One-way from

£358

Popular in

July

Cheapest in

February

Average price

£853
21/8-30/8
  • 21/8-30/8
  • 4 total stops
  • 34h 29m total
  • London to St. Louis
Search Deals
11/8
  • 11/8
  • 3 total stops
  • 41h 35m total
  • London to St. Louis
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (£95 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£12 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Stansted to St. Louis 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 24 June 2026.
Use the filters below to find and compare flights from London Stansted Airport to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

LondonSt. Louis

STN - STL

STNSTL

London Stansted

Fri 10/7

21:55-14:02

2 stops22h 07m

Lambert-St Louis

Fri 24/7

15:30-00:40

2 stops27h 10m

£858

LondonSt. Louis

STN - STL

STNSTL

London Stansted

Sat 21/11

17:20-15:41

2 stops52h 21m

Lambert-St Louis

Sat 28/11

07:33-09:55

2 stops20h 22m

£1,059

LondonSt. Louis

STN - STL

STNSTL

London Stansted

Wed 16/9

06:55-21:36

2 stops44h 41m

Lambert-St Louis

Wed 23/9

08:00-22:10

2 stops32h 10m

£1,061

LondonSt. Louis

STN - STL

STNSTL

London Stansted

Tue 10/11

17:20-15:41

2 stops52h 21m

Lambert-St Louis

Tue 17/11

07:33-09:55

2 stops20h 22m

£1,061

LondonSt. Louis

STN - STL

STNSTL

London Stansted

Wed 16/9

10:50-21:36

2 stops40h 46m

Lambert-St Louis

Wed 30/9

08:00-22:10

2 stops32h 10m

£1,062

LondonSt. Louis

STN - STL

STNSTL

London Stansted

Mon 9/11

10:55-15:41

2 stops34h 46m

Lambert-St Louis

Fri 13/11

07:33-09:55

2 stops44h 22m

£1,099

LondonSt. Louis

STN - STL

STNSTL

London Stansted

Wed 2/9

17:45-22:00

2 stops34h 15m

Lambert-St Louis

Wed 23/9

08:00-22:10

2 stops32h 10m

£1,161

LondonSt. Louis

STN - STL

STNSTL

London Stansted

Thu 10/9

17:35-21:36

2 stops34h 01m

Lambert-St Louis

Thu 17/9

08:00-09:55

2 stops19h 55m

£1,161
Cheapest one-way

LondonSt. Louis

STN - STL

STNSTL

London Stansted

Mon 30/11

17:40-23:56

3 stops36h 16m

£466

LondonSt. Louis

STN - STL

STNSTL

London Stansted

Sat 18/7

22:00-18:15

3 stops50h 15m

£550

Flights are sorted by cheapest return flights first.

Deals found on 23/6

Showing 1-10 of 16 resultsSorted by cheapest first
1
2

Best time to book a flight from Stansted to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Stansted 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 Stansted to St. Louis. 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 into for flights to St. Louis from London Stansted?

    Located just 12.7 mi from the city center, Lambert-St Louis is the airport most travelers will use when flying to St. Louis from London Stansted. Booking flights from London Stansted to Lambert-St Louis (STL) should be relatively easy as there are 0 daily inbound flights from London Stansted from 0 different airlines.

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

    A quick flight from London Stansted Airport to St. Louis can take about 44h 41m. Turkish Airlines provides one of the quickest options available for as low as £1,061. The distance between London Stansted Airport and St. Louis is about 4200 mi.

  • Can I find deals for flights from Stansted to St. Louis that include hotel bookings?

    Yes. In addition to deals on Stansted to St. Louis flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Stansted to St. Louis?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Stansted to St. Louis.

  • Can I find deals for business class flights from Stansted to St. Louis?

    Yes. Cheapflights offers flight deals from Stansted to St. Louis 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

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

Deals for Stansted to St. Louis flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

Millions of users choose and trust Cheapflights to book the best flight deals from Stansted to St. Louis for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from Stansted to St. Louis, users can toggle the no change fees filter when performing a flight search.

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

Not ready to book yet? You can track prices for flights from Stansted to St. Louis on Cheapflights with our Price Alert feature and get notified when better prices are available.

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