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.

£302 Cheap Flights from London Luton Airport to St. Louis in 2025/26

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

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One-way

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Cheap return flights

Enter your travel dates to find the best prices.

19:20 - 13:55LTN-STL

24h 35m2 stops

10:49 - 09:45STL-LTN

16h 56m2 stops

£1,026Multiple Airlines

Find Deal

Thu, 27 Nov - Tue, 2 Dec

15:25 - 13:55LTN-STL

28h 30m2 stops

16:05 - 23:10STL-LTN

25h 05m3 stops

£1,106Multiple Airlines

Find Deal

Tue, 16 Dec - Thu, 25 Dec

14:25 - 13:55LTN-STL

29h 30m3 stops

10:44 - 09:45STL-LTN

17h 01m2 stops

£1,123Multiple Airlines

Find Deal

Thu, 6 Nov - Tue, 18 Nov

07:00 - 00:02LTN-STL

23h 02m3 stops

16:05 - 21:55STL-LTN

23h 50m2 stops

£1,222Multiple Airlines

Find Deal

Fri, 28 Nov - Fri, 5 Dec

07:00 - 00:02LTN-STL

23h 02m3 stops

16:05 - 21:55STL-LTN

23h 50m3 stops

£1,230Multiple Airlines

Find Deal

Fri, 28 Nov - Fri, 5 Dec

20:00 - 15:29LTN-STL

25h 29m2 stops

16:05 - 21:50STL-LTN

23h 45m2 stops

£1,237Multiple Airlines

Find Deal

Thu, 18 Dec - Mon, 5 Jan

16:00 - 13:55LTN-STL

27h 55m2 stops

16:05 - 21:45STL-LTN

23h 40m3 stops

£1,278Multiple Airlines

Find Deal

Tue, 11 Nov - Tue, 18 Nov

15:25 - 13:55LTN-STL

28h 30m2 stops

15:50 - 18:40STL-LTN

20h 50m2 stops

£1,296Multiple Airlines

Find Deal

Thu, 18 Dec - Sun, 4 Jan

20:00 - 15:29LTN-STL

25h 29m2 stops

16:05 - 21:50STL-LTN

23h 45m2 stops

£1,376Multiple Airlines

Find Deal

Thu, 18 Dec - Sat, 3 Jan

15:25 - 13:55LTN-STL

28h 30m2 stops

16:05 - 23:10STL-LTN

25h 05m3 stops

£1,386Multiple Airlines

Find Deal

Tue, 4 Nov - Thu, 6 Nov

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

Thu 27/11

19:20-13:55

2 stops24h 35m

Lambert-St Louis

Tue 2/12

10:49-09:45

2 stops16h 56m

£1,026

LondonSt. Louis

LTN - STL

LTNSTL

London Luton

Tue 16/12

15:25-13:55

2 stops28h 30m

Lambert-St Louis

Thu 25/12

16:05-23:10

3 stops25h 05m

£1,106

LondonSt. Louis

LTN - STL

LTNSTL

London Luton

Thu 6/11

14:25-13:55

3 stops29h 30m

Lambert-St Louis

Tue 18/11

10:44-09:45

2 stops17h 01m

£1,123

LondonSt. Louis

LTN - STL

LTNSTL

London Luton

Fri 28/11

07:00-00:02

3 stops23h 02m

Lambert-St Louis

Fri 5/12

16:05-21:55

2 stops23h 50m

£1,222

LondonSt. Louis

LTN - STL

LTNSTL

London Luton

Fri 28/11

07:00-00:02

3 stops23h 02m

Lambert-St Louis

Fri 5/12

16:05-21:55

3 stops23h 50m

£1,230

LondonSt. Louis

LTN - STL

LTNSTL

London Luton

Thu 18/12

20:00-15:29

2 stops25h 29m

Lambert-St Louis

Mon 5/1

16:05-21:50

2 stops23h 45m

£1,237

LondonSt. Louis

LTN - STL

LTNSTL

London Luton

Tue 11/11

16:00-13:55

2 stops27h 55m

Lambert-St Louis

Tue 18/11

16:05-21:45

3 stops23h 40m

£1,278

LondonSt. Louis

LTN - STL

LTNSTL

London Luton

Thu 18/12

15:25-13:55

2 stops28h 30m

Lambert-St Louis

Sun 4/1

15:50-18:40

2 stops20h 50m

£1,296

LondonSt. Louis

LTN - STL

LTNSTL

London Luton

Thu 18/12

20:00-15:29

2 stops25h 29m

Lambert-St Louis

Sat 3/1

16:05-21:50

2 stops23h 45m

£1,376

LondonSt. Louis

LTN - STL

LTNSTL

London Luton

Tue 4/11

15:25-13:55

2 stops28h 30m

Lambert-St Louis

Thu 6/11

16:05-23:10

3 stops25h 05m

£1,386

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 Sunday is the least expensive day to fly to St. Louis. Tickets to fly out on this day can be as low as £458. Flights from London Luton Airport to St. Louis on a Saturday will generally be more expensive and average around £688. 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 Luton Airport to St. Louis flights are usually those with departure times in the afternoon. Our users have found flights to St. Louis in the afternoon for as low as £458. In contrast, the most expensive time of day to depart to St. Louis is in the morning when prices are around £662.

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

Direct flights	None

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.

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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. 21h 25m 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.

St. Charles

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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?

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.