Cheap flights from London Stansted Airport to St. Louis from £318

STN — STL
5 Dec — 12 Dec1
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

Thu 3/1212:15 -
3 stops41h 57m
Mon 7/1216:05 -
2 stops19h 00m
Deal found 3/11£849
Tue 1/1217:20 -
2 stops34h 37m
Tue 8/1206:30 -
2 stops21h 25m
Deal found 2/11£962
Fri 4/1210:55 -
2 stops40h 34m
Mon 7/1206:30 -
2 stops45h 25m
Deal found 3/11£968
Tue 17/1117:20 -
2 stops34h 20m
Sun 29/1107:30 -
2 stops50h 50m
Deal found 1/11£986
Tue 17/1117:20 -
2 stops34h 20m
Sat 28/1107:30 -
2 stops26h 50m
Deal found 1/11£1,007
Thu 12/1110:55 -
2 stops40h 45m
Mon 16/1107:30 -
2 stops26h 50m
Deal found 1/11£1,016
Mon 16/1110:55 -
2 stops40h 45m
Sun 29/1107:30 -
2 stops20h 25m
Deal found 1/11£1,028
Wed 18/1120:00 -
3 stops33h 16m
Sun 22/1116:05 -
3 stops19h 40m
Deal found 2/11£1,033
Sat 21/1110:55 -
2 stops40h 45m
Sat 28/1107:30 -
2 stops26h 50m
Deal found 1/11£1,037

Find flight deals from Stansted to St. Louis

Round-trip from

£849

One-way from

£318

Popular in

August

Cheapest in

February

Average price

£678
3/12-7/12
  • 3/12-7/12
  • 5 total stops
  • 60h 57m total
  • London to St. Louis
15/12-31/12
  • 15/12-31/12
  • 3 total stops
  • 32h 17m total
  • London to St. Louis
Highest demand for flights based on searches. 9% potential increase in price (£59 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£16 potential savings vs. average return price).
Average for round-trip flights in November 2026

Cheapflights Fare Finder

 
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

LondonSt. Louis

STN London Stansted - STL Lambert-St Louis

STNSTL

London Stansted

Tue 15/12

09:00-11:17

3 stops32h 17m

Lambert-St Louis

Wed 31/12

00:00-07:00

Nonstop0h 00m

£318

LondonSt. Louis

STN London Stansted - STL Lambert-St Louis

STNSTL

London Stansted

Mon 25/1

19:10-10:20

3 stops45h 10m

Lambert-St Louis

Wed 31/12

00:00-07:00

Nonstop0h 00m

£404

LondonSt. Louis

STN London Stansted - STL Lambert-St Louis

STNSTL

London Stansted

Tue 9/3

18:25-00:04

3 stops35h 39m

Lambert-St Louis

Wed 31/12

00:00-07:00

Nonstop0h 00m

£430

LondonSt. Louis

STN London Stansted - STL Lambert-St Louis

STNSTL

London Stansted

Mon 12/4

17:45-19:33

2 stops31h 48m

Lambert-St Louis

Wed 31/12

00:00-07:00

Nonstop0h 00m

£488

LondonSt. Louis

STN London Stansted - STL Lambert-St Louis

STNSTL

London Stansted

Tue 10/11

12:05-18:17

2 stops36h 12m

Lambert-St Louis

Wed 31/12

00:00-07:00

Nonstop0h 00m

£661

LondonSt. Louis

STN London Stansted - STL Lambert-St Louis

STNSTL

London Stansted

Fri 13/11

06:00-14:46

2 stops38h 46m

Lambert-St Louis

Wed 31/12

00:00-07:00

Nonstop0h 00m

£670

LondonSt. Louis

STN London Stansted - STL Lambert-St Louis

STNSTL

London Stansted

Fri 30/4

21:40-19:54

2 stops28h 14m

Lambert-St Louis

Wed 31/12

00:00-07:00

Nonstop0h 00m

£678
Fastest return journey

LondonSt. Louis

STN London Stansted - STL Lambert-St Louis

STNSTL

London Stansted

Tue 20/4

17:50-15:38

2 stops27h 48m

Lambert-St Louis

Wed 31/12

00:00-07:00

Nonstop0h 00m

£916

LondonSt. Louis

STN London Stansted - STL Lambert-St Louis

STNSTL

London Stansted

Tue 1/12

17:20-21:57

2 stops34h 37m

Lambert-St Louis

Mon 7/12

06:30-09:55

2 stops45h 25m

£962

LondonSt. Louis

STN London Stansted - STL Lambert-St Louis

STNSTL

London Stansted

Tue 1/12

17:20-21:57

2 stops34h 37m

Lambert-St Louis

Tue 8/12

06:30-09:55

2 stops21h 25m

£962

Flights are sorted by cheapest return flights first.

Deals found on 1/11

Showing 1-10 of 19 resultsSorted by cheapest first
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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

Related info for your journey

  • 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 34h 37m. Turkish Airlines provides one of the quickest options available for as low as £962. 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.

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