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Cheap flights from London Stansted Airport to St. Louis from £330

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 9/6. 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
19:45 - 20:25
STN
-
STL
30h 40m
3 stops
Multiple Airlines Logo
14:15 - 21:30
STL
-
STN
25h 15m
3 stops
£826Multiple Airlines
Sun, 7 Jun - Sun, 14 Jun
Multiple Airlines Logo
21:40 - 20:25
STN
-
STL
28h 45m
3 stops
Multiple Airlines Logo
08:40 - 17:20
STL
-
STN
26h 40m
2 stops
£828Multiple Airlines
Sat, 6 Jun - Sat, 13 Jun
Multiple Airlines Logo
22:05 - 23:29
STN
-
STL
31h 24m
3 stops
Multiple Airlines Logo
12:10 - 23:25
STL
-
STN
29h 15m
3 stops
£830Multiple Airlines
Thu, 11 Jun - Fri, 3 Jul
Multiple Airlines Logo
19:45 - 13:25
STN
-
STL
23h 40m
2 stops
Multiple Airlines Logo
13:05 - 21:30
STL
-
STN
26h 25m
3 stops
£848Multiple Airlines
Sun, 7 Jun - Sun, 14 Jun
Multiple Airlines Logo
22:05 - 23:29
STN
-
STL
31h 24m
3 stops
Multiple Airlines Logo
14:40 - 17:45
STL
-
STN
21h 05m
2 stops
£855Multiple Airlines
Thu, 11 Jun - Fri, 3 Jul
Multiple Airlines Logo
19:50 - 12:06
STN
-
STL
46h 16m
3 stops
Multiple Airlines Logo
14:15 - 17:35
STL
-
STN
21h 20m
2 stops
£972Multiple Airlines
Fri, 22 May - Fri, 29 May
Multiple Airlines Logo
19:50 - 12:06
STN
-
STL
46h 16m
3 stops
Multiple Airlines Logo
07:05 - 17:35
STL
-
STN
28h 30m
3 stops
£973Multiple Airlines
Fri, 22 May - Fri, 29 May
Multiple Airlines Logo
21:40 - 20:25
STN
-
STL
28h 45m
3 stops
Multiple Airlines Logo
08:40 - 23:10
STL
-
STN
32h 30m
3 stops
£988Multiple Airlines
Sat, 6 Jun - Sat, 13 Jun
Multiple Airlines Logo
20:25 - 18:42
STN
-
STL
28h 17m
2 stops
Multiple Airlines Logo
08:55 - 15:35
STL
-
STN
24h 40m
3 stops
£990Multiple Airlines
Wed, 2 Sep - Wed, 23 Sep
Multiple Airlines Logo
22:50 - 20:09
STN
-
STL
27h 19m
2 stops
Multiple Airlines Logo
14:15 - 17:35
STL
-
STN
21h 20m
2 stops
£1,023Multiple Airlines
Fri, 22 May - Fri, 29 May

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
9 Jun
STN17:35London Stansted
33h 55m
2 stops
STL21:30Lambert-St Louis
15 Sept
STL17:32Lambert-St Louis
41h 08m
2 stops
STN16:40London Stansted
£1,038
Turkish Airlines
17 Jun
STN17:45London Stansted
33h 45m
2 stops
STL21:30Lambert-St Louis
23 Jun
STL17:29Lambert-St Louis
41h 11m
2 stops
STN16:40London Stansted
£1,152
Turkish Airlines
19 Jun
STN17:35London Stansted
33h 55m
2 stops
STL21:30Lambert-St Louis
3 Jul
STL17:33Lambert-St Louis
22h 37m
2 stops
STN22:10London Stansted
£1,155

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 12 May 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

LondonSt. Louis

STN - STL

STNSTL

London Stansted

Sun 7/6

19:45-20:25

3 stops30h 40m

Lambert-St Louis

Sun 14/6

14:15-21:30

3 stops25h 15m

£826

LondonSt. Louis

STN - STL

STNSTL

London Stansted

Sat 6/6

21:40-20:25

3 stops28h 45m

Lambert-St Louis

Sat 13/6

08:40-17:20

2 stops26h 40m

£828

LondonSt. Louis

STN - STL

STNSTL

London Stansted

Thu 11/6

22:05-23:29

3 stops31h 24m

Lambert-St Louis

Fri 3/7

12:10-23:25

3 stops29h 15m

£830

LondonSt. Louis

STN - STL

STNSTL

London Stansted

Sun 7/6

19:45-13:25

2 stops23h 40m

Lambert-St Louis

Sun 14/6

13:05-21:30

3 stops26h 25m

£848

LondonSt. Louis

STN - STL

STNSTL

London Stansted

Thu 11/6

22:05-23:29

3 stops31h 24m

Lambert-St Louis

Fri 3/7

14:40-17:45

2 stops21h 05m

£855

LondonSt. Louis

STN - STL

STNSTL

London Stansted

Fri 22/5

19:50-12:06

3 stops46h 16m

Lambert-St Louis

Fri 29/5

14:15-17:35

2 stops21h 20m

£972

LondonSt. Louis

STN - STL

STNSTL

London Stansted

Fri 22/5

19:50-12:06

3 stops46h 16m

Lambert-St Louis

Fri 29/5

07:05-17:35

3 stops28h 30m

£973

LondonSt. Louis

STN - STL

STNSTL

London Stansted

Sat 6/6

21:40-20:25

3 stops28h 45m

Lambert-St Louis

Sat 13/6

08:40-23:10

3 stops32h 30m

£988

LondonSt. Louis

STN - STL

STNSTL

London Stansted

Wed 2/9

20:25-18:42

2 stops28h 17m

Lambert-St Louis

Wed 23/9

08:55-15:35

3 stops24h 40m

£990
Fastest return journey

LondonSt. Louis

STN - STL

STNSTL

London Stansted

Fri 22/5

22:50-20:09

2 stops27h 19m

Lambert-St Louis

Fri 29/5

14:15-17:35

2 stops21h 20m

£1,023

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 £586. Flights from London Stansted Airport to St. Louis on a Sunday will generally be more expensive and average around £752. 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

31h 24m

Direct flights

None
The fastest flight from London Stansted Airport to St. Louis takes 31h 24m
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

Frequently asked questions about flying from London Stansted Airport to St. Louis

  • 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 31h 24m.

  • 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
Litchfield
Collinsville

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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