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.

£476 Cheap Flights from London Stansted Airport to St. Louis in 2025/26

1 adult

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

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One-way

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Enter your travel dates to find the best prices.

20:05 - 15:29STN-STL

25h 24m2 stops

16:05 - 17:20STL-STN

19h 15m3 stops

£915Multiple Airlines

Find Deal

tors, 27 nov - tors, 11 dec

20:05 - 19:39STN-STL

29h 34m3 stops

16:05 - 17:20STL-STN

19h 15m3 stops

£971Multiple Airlines

Find Deal

tors, 27 nov - tors, 11 dec

20:00 - 23:56STN-STL

33h 56m3 stops

16:05 - 23:45STL-STN

25h 40m3 stops

£993Multiple Airlines

Find Deal

mån, 1 dec - fre, 5 dec

20:00 - 23:56STN-STL

33h 56m3 stops

15:50 - 16:35STL-STN

18h 45m2 stops

£1,043Multiple Airlines

Find Deal

mån, 1 dec - fre, 5 dec

20:00 - 23:56STN-STL

33h 56m3 stops

15:50 - 13:20STL-STN

15h 30m2 stops

£1,062Multiple Airlines

Find Deal

mån, 1 dec - fre, 5 dec

08:20 - 13:55STN-STL

35h 35m2 stops

16:05 - 21:05STL-STN

23h 00m3 stops

£1,065Multiple Airlines

Find Deal

tors, 18 dec - tors, 25 dec

20:00 - 23:56STN-STL

33h 56m3 stops

16:05 - 22:40STL-STN

24h 35m3 stops

£1,378Multiple Airlines

Find Deal

mån, 1 dec - ons, 17 dec

21:45 - 13:55STN-STL

22h 10m2 stops

16:05 - 21:20STL-STN

23h 15m3 stops

£1,512Multiple Airlines

Find Deal

tis, 2 dec - tis, 9 dec

20:00 - 13:55STN-STL

23h 55m2 stops

05:22 - 07:50STL-STN

20h 28m2 stops

£1,846Multiple Airlines

Find Deal

lör, 13 dec - lör, 27 dec

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

tors 27/11

20:05-15:29

2 stops25h 24m

Lambert-St Louis

tors 11/12

16:05-17:20

3 stops19h 15m

£915

LondonSt. Louis

STN - STL

STNSTL

London Stansted

tors 27/11

20:05-19:39

3 stops29h 34m

Lambert-St Louis

tors 11/12

16:05-17:20

3 stops19h 15m

£971

LondonSt. Louis

STN - STL

STNSTL

London Stansted

mån 1/12

20:00-23:56

3 stops33h 56m

Lambert-St Louis

fre 5/12

16:05-23:45

3 stops25h 40m

£993

LondonSt. Louis

STN - STL

STNSTL

London Stansted

mån 1/12

20:00-23:56

3 stops33h 56m

Lambert-St Louis

fre 5/12

15:50-16:35

2 stops18h 45m

£1,043

LondonSt. Louis

STN - STL

STNSTL

London Stansted

mån 1/12

20:00-23:56

3 stops33h 56m

Lambert-St Louis

fre 5/12

15:50-13:20

2 stops15h 30m

£1,062

LondonSt. Louis

STN - STL

STNSTL

London Stansted

tors 18/12

08:20-13:55

2 stops35h 35m

Lambert-St Louis

tors 25/12

16:05-21:05

3 stops23h 00m

£1,065

LondonSt. Louis

STN - STL

STNSTL

London Stansted

mån 1/12

20:00-23:56

3 stops33h 56m

Lambert-St Louis

ons 17/12

16:05-22:40

3 stops24h 35m

£1,378

LondonSt. Louis

STN - STL

STNSTL

London Stansted

tis 2/12

21:45-13:55

2 stops22h 10m

Lambert-St Louis

tis 9/12

16:05-21:20

3 stops23h 15m

£1,512

LondonSt. Louis

STN - STL

STNSTL

London Stansted

lör 13/12

20:00-13:55

2 stops23h 55m

Lambert-St Louis

lör 27/12

05:22-07:50

2 stops20h 28m

£1,846

LondonSt. Louis

STN - STL

STNSTL

London Stansted

ons 7/1

21:45-22:33

3 stops30h 48m

£476

Flights are sorted by cheapest return flights first.

Showing 1-10 of 16 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 Sunday is the least expensive day to fly to St. Louis. Tickets to fly out on this day can be as low as £469. Flights from London Stansted Airport to St. Louis on a Saturday will generally be more expensive and average around £706. 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 £577. In contrast, the most expensive time of day to depart to St. Louis is in the afternoon when prices are around £689.

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 22h 10m.
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.