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

Prices for flights from London Luton Airport to Lambert-St Louis Airport refresh daily.

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

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London Luton Airport to Lambert-St Louis Airport.

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

The travel and health documents you'll need for your trip to Lambert-St Louis Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Lambert-St Louis Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

£271 Cheap Flights from London Luton Airport to St. Louis in 2026

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

Round-trip

One-way

Cheap return flights

Enter your travel dates to find the best prices.

06:00 - 22:59

LTN

STL

21h 59m

3 stops

16:05 - 22:10

STL

LTN

25h 05m

3 stops

£716Multiple Airlines

Sat, 14 Mar - Wed, 18 Mar

06:00 - 22:59

LTN

STL

21h 59m

3 stops

14:29 - 08:35

STL

LTN

13h 06m

2 stops

£947Multiple Airlines

Sat, 14 Mar - Wed, 18 Mar

18:35 - 14:55

LTN

STL

25h 20m

2 stops

14:29 - 08:35

STL

LTN

13h 06m

2 stops

£1,028Multiple Airlines

Sat, 14 Mar - Wed, 18 Mar

06:00 - 15:29

LTN

STL

15h 29m

2 stops

16:05 - 18:15

STL

LTN

21h 10m

3 stops

£1,357Multiple Airlines

Mon, 2 Mar - Mon, 9 Mar

06:00 - 15:29

LTN

STL

15h 29m

2 stops

16:05 - 13:40

STL

LTN

16h 35m

2 stops

£1,461Multiple Airlines

Mon, 2 Mar - Mon, 9 Mar

12:45 - 15:24

LTN

STL

32h 39m

3 stops

16:05 - 18:05

STL

LTN

20h 00m

3 stops

£1,865Multiple Airlines

Tue, 31 Mar - Sat, 11 Apr

10:25 - 15:29

LTN

STL

35h 04m

3 stops

16:05 - 13:25

STL

LTN

16h 20m

2 stops

£1,886Multiple Airlines

Wed, 4 Mar - Wed, 11 Mar

10:25 - 15:29

LTN

STL

35h 04m

3 stops

16:05 - 17:55

STL

LTN

20h 50m

3 stops

£1,908Multiple Airlines

Wed, 4 Mar - Wed, 11 Mar

21:00 - 15:29

LTN

STL

24h 29m

2 stops

18:36 - 18:15

STL

LTN

17h 39m

2 stops

£2,064Multiple Airlines

Sat, 14 Feb - Sat, 21 Feb

13:20 - 17:44

LTN

STL

34h 24m

3 stops

16:05 - 21:50

STL

LTN

24h 45m

2 stops

£2,357Multiple Airlines

Mon, 2 Mar - Mon, 9 Mar

momondo Fare Finder

Use the filters below to find and compare flights from London Luton Airport to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonSt. Louis

LTN - STL

LTNSTL

London Luton

Sat 14/3

06:00-22:59

3 stops21h 59m

Lambert-St Louis

Wed 18/3

16:05-22:10

3 stops25h 05m

£716

LondonSt. Louis

LTN - STL

LTNSTL

London Luton

Sat 14/3

06:00-22:59

3 stops21h 59m

Lambert-St Louis

Wed 18/3

14:29-08:35

2 stops13h 06m

£947

LondonSt. Louis

LTN - STL

LTNSTL

London Luton

Sat 14/3

18:35-14:55

2 stops25h 20m

Lambert-St Louis

Wed 18/3

14:29-08:35

2 stops13h 06m

£1,028

LondonSt. Louis

LTN - STL

LTNSTL

London Luton

Mon 2/3

06:00-15:29

2 stops15h 29m

Lambert-St Louis

Mon 9/3

16:05-18:15

3 stops21h 10m

£1,357

LondonSt. Louis

LTN - STL

LTNSTL

London Luton

Mon 2/3

06:00-15:29

2 stops15h 29m

Lambert-St Louis

Mon 9/3

16:05-13:40

2 stops16h 35m

£1,461

LondonSt. Louis

LTN - STL

LTNSTL

London Luton

Tue 31/3

12:45-15:24

3 stops32h 39m

Lambert-St Louis

Sat 11/4

16:05-18:05

3 stops20h 00m

£1,865

LondonSt. Louis

LTN - STL

LTNSTL

London Luton

Wed 4/3

10:25-15:29

3 stops35h 04m

Lambert-St Louis

Wed 11/3

16:05-13:25

2 stops16h 20m

£1,886

LondonSt. Louis

LTN - STL

LTNSTL

London Luton

Wed 4/3

10:25-15:29

3 stops35h 04m

Lambert-St Louis

Wed 11/3

16:05-17:55

3 stops20h 50m

£1,908

LondonSt. Louis

LTN - STL

LTNSTL

London Luton

Sat 14/2

21:00-15:29

2 stops24h 29m

Lambert-St Louis

Sat 21/2

18:36-18:15

2 stops17h 39m

£2,064

LondonSt. Louis

LTN - STL

LTNSTL

London Luton

Mon 2/3

13:20-17:44

3 stops34h 24m

Lambert-St Louis

Mon 9/3

16:05-21:50

2 stops24h 45m

£2,357

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 Luton 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 £596. Flights from London Luton Airport to St. Louis on a Friday will generally be more expensive and average around £711. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

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

Estimated return price

Cheap London Luton Airport to St. Louis (LTN to STL) flight deals and tips

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

Fastest flight time	15h 29m
Direct flights	None

The fastest flight from London Luton Airport to St. Louis takes 15h 29m

There are no direct flights from London Luton Airport to St. Louis. There are no popular flight routes from London Luton Airport to St. Louis.

Search flight deals

How far is London Luton to Lambert-St Louis by plane?
London Luton and Lambert-St Louis are 4176.8 mi apart from one another. 15h 29m is a normal flight duration for this route.
When did momondo last update prices for flights from London Luton Airport to Lambert-St Louis Airport?
Prices for flights from London Luton Airport to Lambert-St Louis Airport refresh daily.
How old do you have to be to fly from London Luton Airport to Lambert-St Louis Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London Luton Airport to Lambert-St Louis Airport.
What documentation or ID do you need to fly to Lambert-St Louis Airport?
The travel and health documents you'll need for your trip to Lambert-St Louis Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Lambert-St Louis Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Collinsville

St. Charles

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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?

momondo does allow users to show only those flights to St. Louis from London which offer a flexible booking policy as well as other useful filters and features.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to St. Louis from London.

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

Of course. momondo tracks the price of London to St. Louis flights. All you need is a valid email address and we will do the rest; it is that quick and easy.