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.

£299 Cheap Flights from London Stansted Airport to St. Louis in 2025/26

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Find the cheapest flights from London Stansted Airport to St. Louis

Round-trip

One-way

Last minute

Cheap return flights

06:55 - 15:18STN-STL

14h 23m2 stops

16:50 - 16:35STL-STN

18h 45m2 stops

£852

Find Deal

Thu, 23 Oct - Sun, 26 Oct

11:15 - 18:10STN-STL

36h 55m3 stops

16:05 - 23:35STL-STN

26h 30m3 stops

£864

Find Deal

Fri, 17 Oct - Thu, 30 Oct

20:10 - 15:18STN-STL

25h 08m3 stops

16:05 - 23:10STL-STN

25h 05m3 stops

£967

Find Deal

Wed, 22 Oct - Tue, 4 Nov

13:55 - 19:06STN-STL

35h 11m3 stops

16:05 - 23:40STL-STN

25h 35m3 stops

£1,215

Find Deal

Sun, 7 Dec - Thu, 18 Dec

06:20 - 08:09STN-STL

31h 49m3 stops

13:30 - 21:10STL-STN

25h 40m3 stops

£1,263

Find Deal

Fri, 10 Oct - Mon, 13 Oct

20:25 - 19:57STN-STL

29h 32m3 stops

09:15 - 18:25STL-STN

27h 10m2 stops

£1,293

Find Deal

Tue, 7 Oct - Wed, 22 Oct

06:15 - 19:38STN-STL

19h 23m2 stops

15:30 - 18:25STL-STN

20h 55m2 stops

£1,404

Find Deal

Tue, 7 Oct - Wed, 22 Oct

12:10 - 13:30STN-STL

31h 20m3 stops

16:05 - 16:30STL-STN

18h 25m2 stops

£1,411

Find Deal

Sat, 11 Oct - Sat, 18 Oct

15:00 - 19:57STN-STL

34h 57m2 stops

05:00 - 13:30STL-STN

26h 30m3 stops

£1,522

Find Deal

Thu, 9 Oct - Wed, 15 Oct

22:20 - 19:57STN-STL

27h 37m3 stops

13:30 - 10:40STL-STN

15h 10m2 stops

£1,684

Find Deal

Fri, 10 Oct - Mon, 13 Oct

momondo 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

LondonSt. Louis

STN - STL

STNSTL

London Stansted

Thu 23/10

06:55-15:18

2 stops14h 23m

Lambert-St Louis

Sun 26/10

16:50-16:35

2 stops18h 45m

£852

LondonSt. Louis

STN - STL

STNSTL

London Stansted

Fri 17/10

11:15-18:10

3 stops36h 55m

Lambert-St Louis

Thu 30/10

16:05-23:35

3 stops26h 30m

£864

LondonSt. Louis

STN - STL

STNSTL

London Stansted

Wed 22/10

20:10-15:18

3 stops25h 08m

Lambert-St Louis

Tue 4/11

16:05-23:10

3 stops25h 05m

£967

LondonSt. Louis

STN - STL

STNSTL

London Stansted

Sun 7/12

13:55-19:06

3 stops35h 11m

Lambert-St Louis

Thu 18/12

16:05-23:40

3 stops25h 35m

£1,215

LondonSt. Louis

STN - STL

STNSTL

London Stansted

Fri 10/10

06:20-08:09

3 stops31h 49m

Lambert-St Louis

Mon 13/10

13:30-21:10

3 stops25h 40m

£1,263

LondonSt. Louis

STN - STL

STNSTL

London Stansted

Tue 7/10

20:25-19:57

3 stops29h 32m

Lambert-St Louis

Wed 22/10

09:15-18:25

2 stops27h 10m

£1,293

LondonSt. Louis

STN - STL

STNSTL

London Stansted

Tue 7/10

06:15-19:38

2 stops19h 23m

Lambert-St Louis

Wed 22/10

15:30-18:25

2 stops20h 55m

£1,404

LondonSt. Louis

STN - STL

STNSTL

London Stansted

Sat 11/10

12:10-13:30

3 stops31h 20m

Lambert-St Louis

Sat 18/10

16:05-16:30

2 stops18h 25m

£1,411

LondonSt. Louis

STN - STL

STNSTL

London Stansted

Thu 9/10

15:00-19:57

2 stops34h 57m

Lambert-St Louis

Wed 15/10

05:00-13:30

3 stops26h 30m

£1,522

LondonSt. Louis

STN - STL

STNSTL

London Stansted

Fri 10/10

22:20-19:57

3 stops27h 37m

Lambert-St Louis

Mon 13/10

13:30-10:40

2 stops15h 10m

£1,684

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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 Wednesday is the least expensive day to fly to St. Louis. Tickets to fly out on this day can be as low as £594. Flights from London Stansted Airport to St. Louis on a Sunday will generally be more expensive and average around £707. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

Our data shows that the cheapest London Stansted Airport to St. Louis flights are usually those with departure times in the evening. Our users have found flights to St. Louis in the evening for as low as £553. In contrast, the most expensive time of day to depart to St. Louis is in the morning when prices are around £651.

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

Direct flights	None

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.

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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 14h 23m.
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.

St. Charles

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.