In terms of precipitation, rainfall in St. Louis ranges from 56.0 - 119.0 inches per month. May is typically the wettest month, when rainfall can reach 119.0 mm. February is typically the driest time to visit St. Louis when rainfall is around 56.0 mm.

If weather is an important factor for your trip to St. Louis, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 27.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 0.0 C).

What is the cheapest time of day to fly from LTN to STL?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from London Luton Airport to St. Louis as you normally would.

What airport do you fly into for flights to St. Louis from London Luton?

For a flight from London Luton to St. Louis, you will be flying into Lambert-St Louis. Lambert-St Louis (STL) is just 12.7 mi from the center of the city. Lambert-St Louis is the only St. Louis airport and it handles 0 inbound flights from London Luton per day. 0 airlines have flights to Lambert-St Louis from London Luton on a regular basis.

Can I find deals for flights from Luton to St. Louis that include hotel bookings?

Yes. In addition to deals on Luton to St. Louis flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Luton to St. Louis?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Luton to St. Louis.

Can I find deals for business class flights from Luton to St. Louis?

Yes. Cheapflights offers flight deals from Luton to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£394+ Cheap Flights from London Luton Airport to St. Louis

Cheap flight deals from Luton to St. Louis

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

Cheapest flights from Luton to St. Louis
Explore the most affordable flight options available from Luton to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 6 October 2026.

Sun 11/1019:55 -

2 stops23h 30m

Sun 18/1015:30 -

2 stops21h 45m

Deal found 4/10£780

Mon 2/1106:00 -

3 stops23h 16m

Mon 9/1110:53 -

3 stops20h 52m

Deal found 5/10£847

Fri 6/1120:05 -

3 stops33h 11m

Thu 12/1116:05 -

2 stops18h 10m

Deal found 5/10£919

Wed 4/1121:30 -

3 stops31h 46m

Wed 2/1216:05 -

2 stops15h 25m

Deal found 2/10£921

Wed 18/1121:30 -

3 stops31h 46m

Wed 25/1116:05 -

3 stops20h 05m

Deal found 4/10£941

Fri 20/1121:30 -

3 stops32h 29m

Fri 27/1115:40 -

2 stops20h 40m

Deal found 6/10£960

Sat 7/1106:30 -

3 stops22h 46m

Sat 21/1116:05 -

3 stops20h 05m

Deal found 2/10£1,029

Thu 19/1107:15 -

3 stops22h 01m

Thu 26/1116:05 -

2 stops21h 25m

Deal found 5/10£1,054

Find flight deals from Luton to St. Louis

Round-trip from	£847
One-way from	£394
Popular in	August
Cheapest in	February
Average price	£762

2/11-9/11
6 total stops
44h 08m total
London to St. Louis

Search Deals

12/11-31/12
3 total stops
35h 27m total
London to St. Louis

Search Deals

Highest demand for flights based on searches. 10% potential increase in price (£64 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (£17 potential savings vs. average return price).

Search Deals

Average for round-trip flights in October 2026

Search Deals

Cheapflights 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

Cheapest return flight

LondonSt. Louis

LTN London Luton - STL Lambert-St Louis

LTNSTL

London Luton

Thu 12/11

12:15-17:42

3 stops35h 27m

Lambert-St Louis

Wed 31/12

00:00-07:00

Nonstop0h 00m

£394

LondonSt. Louis

LTN London Luton - STL Lambert-St Louis

LTNSTL

London Luton

Mon 16/11

14:35-17:40

3 stops57h 05m

Lambert-St Louis

Wed 31/12

00:00-07:00

Nonstop0h 00m

£410

LondonSt. Louis

LTN London Luton - STL Lambert-St Louis

LTNSTL

London Luton

Sat 17/10

21:25-16:58

3 stops49h 33m

Lambert-St Louis

Wed 31/12

00:00-07:00

Nonstop0h 00m

£689

LondonSt. Louis

LTN London Luton - STL Lambert-St Louis

LTNSTL

London Luton

Mon 2/11

06:00-23:16

3 stops23h 16m

Lambert-St Louis

Mon 9/11

10:53-13:45

3 stops20h 52m

£847

LondonSt. Louis

LTN London Luton - STL Lambert-St Louis

LTNSTL

London Luton

Fri 16/10

06:20-23:59

2 stops47h 39m

Lambert-St Louis

Wed 31/12

00:00-07:00

Nonstop0h 00m

£857

LondonSt. Louis

LTN London Luton - STL Lambert-St Louis

LTNSTL

London Luton

Fri 6/11

20:05-23:16

3 stops33h 11m

Lambert-St Louis

Thu 12/11

16:05-16:15

2 stops18h 10m

£919

LondonSt. Louis

LTN London Luton - STL Lambert-St Louis

LTNSTL

London Luton

Fri 20/11

21:30-23:59

3 stops32h 29m

Lambert-St Louis

Fri 27/11

15:40-18:20

2 stops20h 40m

£960

Fastest return journey

LondonSt. Louis

LTN London Luton - STL Lambert-St Louis

LTNSTL

London Luton

Sat 7/11

18:50-13:45

2 stops24h 55m

Lambert-St Louis

Wed 31/12

00:00-07:00

Nonstop0h 00m

£992

LondonSt. Louis

LTN London Luton - STL Lambert-St Louis

LTNSTL

London Luton

Sat 7/11

06:30-23:16

3 stops22h 46m

Lambert-St Louis

Sat 21/11

16:05-18:10

3 stops20h 05m

£1,029

LondonSt. Louis

LTN London Luton - STL Lambert-St Louis

LTNSTL

London Luton

Tue 24/11

07:45-23:59

2 stops22h 14m

Lambert-St Louis

Thu 3/12

16:05-17:25

3 stops19h 20m

£1,098

Flights are sorted by cheapest return flights first.

Deals found on 5/10

Showing 1-10 of 14 resultsSorted by cheapest first

Best time to book a flight from Luton to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Luton with our price prediction graph.

LTN-STL

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

What airport do you fly into for flights to St. Louis from London Luton?
For a flight from London Luton to St. Louis, you will be flying into Lambert-St Louis. Lambert-St Louis (STL) is just 12.7 mi from the center of the city. Lambert-St Louis is the only St. Louis airport and it handles 0 inbound flights from London Luton per day. 0 airlines have flights to Lambert-St Louis from London Luton on a regular basis.
Can I find deals for flights from Luton to St. Louis that include hotel bookings?
Yes. In addition to deals on Luton to St. Louis flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Luton to St. Louis?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Luton to St. Louis.
Can I find deals for business class flights from Luton to St. Louis?
Yes. Cheapflights offers flight deals from Luton to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Why should you use Cheapflights to find cheap flight tickets from Luton to St. Louis?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Luton to St. Louis.

Can Cheapflights find flights from Luton to St. Louis with no change fees?

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Cheap flights from London Luton Airport to St. Louis from £394

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Luton to St. Louis

Cheapest flights from Luton to St. LouisExplore the most affordable flight options available from Luton to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 6 October 2026.

Explore the most affordable flight options available from Luton to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 6 October 2026.

Best flights from Luton to St. LouisDiscover carefully curated flight deals from Luton to St. Louis that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 6 October 2026.

Discover carefully curated flight deals from Luton to St. Louis that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 6 October 2026.

Last-minute flights from Luton to St. LouisDiscover last-minute flight deals from Luton to St. Louis. Data last updated 6 October 2026 and is based on user searches.

Discover last-minute flight deals from Luton to St. Louis. Data last updated 6 October 2026 and is based on user searches.

One-way flights from Luton to St. LouisSearch for one-way flight options from Luton to St. Louis. Find affordable one-way fares based on user searches. Data last updated 6 October 2026.

Search for one-way flight options from Luton to St. Louis. Find affordable one-way fares based on user searches. Data last updated 6 October 2026.

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Best time to book a flight from Luton to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Luton with our price prediction graph.

Related info for your journey

What airport do you fly into for flights to St. Louis from London Luton?

Can I find deals for flights from Luton to St. Louis that include hotel bookings?

How can I find direct flights from Luton to St. Louis?

Can I find deals for business class flights from Luton to St. Louis?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Luton to St. Louis

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Complete your trip

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Direct flights to United States

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Search flights from Luton to St. Louis by cabin class

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Luton and St. Louis flights

Browse other Luton and St. Louis flight options. Last updated on 6 October 2026.

Other flights from Luton

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Can Cheapflights notify me if prices for flights from Luton to St. Louis become cheaper?

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Cheapest flights from Luton to St. Louis
Explore the most affordable flight options available from Luton to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 6 October 2026.

Best flights from Luton to St. Louis
Discover carefully curated flight deals from Luton to St. Louis that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 6 October 2026.

Last-minute flights from Luton to St. Louis
Discover last-minute flight deals from Luton to St. Louis. Data last updated 6 October 2026 and is based on user searches.

One-way flights from Luton to St. Louis
Search for one-way flight options from Luton to St. Louis. Find affordable one-way fares based on user searches. Data last updated 6 October 2026.