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Cheap flights from London Stansted Airport to St. Louis from £286

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Stansted Airport to St. Louis departing on 31/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
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Find the cheapest flights from London Stansted Airport to St. Louis

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
15:50 - 13:55
STN
-
STL
28h 05m
2 stops
Multiple Airlines Logo
18:55 - 23:45
STL
-
STN
22h 50m
3 stops
£908Multiple Airlines
Sat, 28 Feb - Sun, 1 Mar
Multiple Airlines Logo
20:05 - 20:05
STN
-
STL
30h 00m
3 stops
Multiple Airlines Logo
07:30 - 20:25
STL
-
STN
30h 55m
3 stops
£918Multiple Airlines
Sat, 2 May - Sat, 16 May
Multiple Airlines Logo
08:30 - 20:04
STN
-
STL
17h 34m
2 stops
Multiple Airlines Logo
07:30 - 15:25
STL
-
STN
25h 55m
2 stops
£937Multiple Airlines
Mon, 25 May - Fri, 5 Jun
Multiple Airlines Logo
08:30 - 20:04
STN
-
STL
17h 34m
2 stops
Multiple Airlines Logo
07:30 - 12:40
STL
-
STN
23h 10m
3 stops
£946Multiple Airlines
Mon, 25 May - Fri, 5 Jun
Multiple Airlines Logo
17:45 - 15:46
STN
-
STL
28h 01m
2 stops
Multiple Airlines Logo
07:30 - 09:55
STL
-
STN
20h 25m
2 stops
£1,100Multiple Airlines
Tue, 7 Jul - Tue, 21 Jul
Multiple Airlines Logo
09:10 - 14:55
STN
-
STL
34h 45m
2 stops
Multiple Airlines Logo
16:05 - 19:05
STL
-
STN
22h 00m
3 stops
£1,345Multiple Airlines
Thu, 12 Mar - Thu, 19 Mar
Multiple Airlines Logo
06:40 - 21:15
STN
-
STL
43h 35m
2 stops
Multiple Airlines Logo
07:45 - 09:55
STL
-
STN
20h 10m
2 stops
£1,363Multiple Airlines
Wed, 25 Mar - Tue, 31 Mar
Multiple Airlines Logo
20:35 - 13:25
STN
-
STL
22h 50m
2 stops
Multiple Airlines Logo
07:30 - 23:20
STL
-
STN
33h 50m
2 stops
£1,385Multiple Airlines
Sat, 2 May - Sat, 16 May
Turkish Airlines Logo
17:45 - 15:46
STN
-
STL
28h 01m
2 stops
Turkish Airlines Logo
06:00 - 09:55
STL
-
STN
45h 55m
2 stops
£1,430Turkish Airlines
Tue, 26 May - Fri, 5 Jun
Turkish Airlines Logo
10:50 - 15:46
STN
-
STL
34h 56m
2 stops
Turkish Airlines Logo
06:00 - 16:50
STL
-
STN
52h 50m
2 stops
£1,450Turkish Airlines
Mon, 20 Jul - Fri, 31 Jul

Turkish Airlines flights from London Stansted Airport to St. Louis

Our best Turkish Airlines deals on London Stansted Airport to St. Louis flight tickets
Turkish Airlines
26 May
STN17:45London Stansted
28h 01m
2 stops
STL15:46Lambert-St Louis
5 Jun
STL06:00Lambert-St Louis
45h 55m
2 stops
STN09:55London Stansted
£1,430
Turkish Airlines
20 Apr
STN10:50London Stansted
40h 18m
2 stops
STL21:08Lambert-St Louis
24 Apr
STL07:45Lambert-St Louis
51h 05m
2 stops
STN16:50London Stansted
£1,545

momondo Fare Finder

 
Customise your flight search to find flights from London Stansted Airport 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, momondo users made 279,928 searches. Data last updated 3 February 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

LondonSt. Louis

STN - STL

STNSTL

London Stansted

Sat 28/2

15:50-13:55

2 stops28h 05m

Lambert-St Louis

Sun 1/3

18:55-23:45

3 stops22h 50m

£908

LondonSt. Louis

STN - STL

STNSTL

London Stansted

Sat 2/5

20:05-20:05

3 stops30h 00m

Lambert-St Louis

Sat 16/5

07:30-20:25

3 stops30h 55m

£918

LondonSt. Louis

STN - STL

STNSTL

London Stansted

Mon 25/5

08:30-20:04

2 stops17h 34m

Lambert-St Louis

Fri 5/6

07:30-15:25

2 stops25h 55m

£937

LondonSt. Louis

STN - STL

STNSTL

London Stansted

Mon 25/5

08:30-20:04

2 stops17h 34m

Lambert-St Louis

Fri 5/6

07:30-12:40

3 stops23h 10m

£946

LondonSt. Louis

STN - STL

STNSTL

London Stansted

Tue 7/7

17:45-15:46

2 stops28h 01m

Lambert-St Louis

Tue 21/7

07:30-09:55

2 stops20h 25m

£1,100

LondonSt. Louis

STN - STL

STNSTL

London Stansted

Thu 12/3

09:10-14:55

2 stops34h 45m

Lambert-St Louis

Thu 19/3

16:05-19:05

3 stops22h 00m

£1,345

LondonSt. Louis

STN - STL

STNSTL

London Stansted

Wed 25/3

06:40-21:15

2 stops43h 35m

Lambert-St Louis

Tue 31/3

07:45-09:55

2 stops20h 10m

£1,363

LondonSt. Louis

STN - STL

STNSTL

London Stansted

Sat 2/5

20:35-13:25

2 stops22h 50m

Lambert-St Louis

Sat 16/5

07:30-23:20

2 stops33h 50m

£1,385

LondonSt. Louis

STN - STL

STNSTL

London Stansted

Tue 26/5

17:45-15:46

2 stops28h 01m

Lambert-St Louis

Fri 5/6

06:00-09:55

2 stops45h 55m

£1,430

LondonSt. Louis

STN - STL

STNSTL

London Stansted

Mon 20/7

10:50-15:46

2 stops34h 56m

Lambert-St Louis

Fri 31/7

06:00-16:50

2 stops52h 50m

£1,450

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to St. Louis from

How to get the cheapest flight ticket from London Stansted Airport to St. Louis

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to St. Louis?

Our data shows that Saturday is the least expensive day to fly to St. Louis. Tickets to fly out on this day can be as low as £583. Flights from London Stansted Airport to St. Louis on a Tuesday will generally be more expensive and average around £691. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

When to book flights from London Stansted Airport to St. Louis

Are you open to changing your travel dates? Check out the ideal times to fly from London Stansted Airport to St. Louis according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap London Stansted Airport to St. Louis (STN to STL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Stansted Airport to St. Louis

Fastest flight time

17h 34m

Direct flights

None
The fastest flight from London Stansted Airport to St. Louis takes 17h 34m
There are no direct flights from London Stansted Airport to St. Louis. There are no popular flight routes from London Stansted Airport to St. Louis.
Search flight deals

  • How far is London Stansted to Lambert-St Louis by plane?

    Lambert-St Louis is 4199.6 mi away from London Stansted. A reasonable flight in good conditions will take 17h 34m.

  • When did momondo last update prices for flights from London Stansted Airport to Lambert-St Louis Airport?

    Prices for flights from London Stansted Airport to Lambert-St Louis Airport were last updated today.

  • How old do you have to be to fly from London Stansted Airport to Lambert-St Louis Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from London Stansted Airport to Lambert-St Louis Airport.

  • What documentation or ID do you need to fly to Lambert-St Louis Airport?

    The necessary travel and health documents for your Lambert-St Louis Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Travelling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Collinsville
St. Charles

Why use momondo?

Why should I use momondo to find a flight deal from London to St. Louis?

Finding the right flight to St. Louis from London is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to St. Louis quick and easy, saving you time and money.

Can I find flights from London to St. Louis with flexible booking policies on momondo?

Yes. All flights to St. Louis from London on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from London to St. Louis?

Once all potential London to St. Louis flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from London to St. Louis right now. Can momondo alert me if prices change?

If you are simply researching potential flights to St. Louis, momondo offers a useful price alert feature which will track prices for flights to St. Louis from London and alert you when they change.

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