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.

£382+ 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 15 October 2026.

Wed 25/1121:30 -

3 stops32h 29m

Wed 2/1212:02 -

3 stops23h 18m

Deal found 11/10£839

Fri 20/1121:30 -

3 stops32h 29m

Wed 2/1212:02 -

3 stops23h 18m

Deal found 11/10£850

Wed 9/1207:30 -

3 stops22h 42m

Tue 15/1216:05 -

2 stops15h 40m

Deal found 14/10£885

Mon 2/1106:00 -

3 stops23h 16m

Mon 16/1113:28 -

3 stops22h 32m

Deal found 15/10£888

Wed 4/1121:30 -

3 stops31h 46m

Wed 11/1115:40 -

2 stops20h 40m

Deal found 12/10£891

Mon 9/1106:00 -

3 stops23h 16m

Mon 23/1116:05 -

3 stops23h 00m

Deal found 12/10£914

Mon 16/1106:15 -

3 stops23h 01m

Fri 27/1113:14 -

2 stops18h 51m

Deal found 13/10£947

Mon 23/1106:15 -

3 stops23h 44m

Thu 3/1216:05 -

2 stops18h 10m

Deal found 13/10£968

Mon 9/1106:00 -

3 stops23h 16m

Fri 13/1116:05 -

3 stops20h 15m

Deal found 14/10£981

Mon 16/1106:15 -

3 stops23h 01m

Mon 23/1116:05 -

2 stops15h 40m

Deal found 12/10£982

Sun 15/1117:00 -

3 stops36h 16m

Sun 22/1116:05 -

3 stops23h 00m

Deal found 12/10£1,015

Find flight deals from Luton to St. Louis

Round-trip from	£839
One-way from	£382
Popular in	August
Cheapest in	February
Average price	£756

25/11-2/12
6 total stops
55h 47m total
London to St. Louis

Search Deals

2/11-31/12
3 total stops
57h 05m total
London to St. Louis

Search Deals

Highest demand for flights based on searches. 10% potential increase in price (£67 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

Wed 4/11

18:35-17:42

3 stops53h 07m

Lambert-St Louis

Wed 31/12

00:00-07:00

Nonstop0h 00m

£386

LondonSt. Louis

LTN London Luton - STL Lambert-St Louis

LTNSTL

London Luton

Sun 15/11

06:55-23:16

3 stops46h 21m

Lambert-St Louis

Wed 31/12

00:00-07:00

Nonstop0h 00m

£407

LondonSt. Louis

LTN London Luton - STL Lambert-St Louis

LTNSTL

London Luton

Fri 11/12

07:45-00:12

3 stops46h 27m

Lambert-St Louis

Wed 31/12

00:00-07:00

Nonstop0h 00m

£417

LondonSt. Louis

LTN London Luton - STL Lambert-St Louis

LTNSTL

London Luton

Mon 11/1

12:10-10:20

3 stops52h 10m

Lambert-St Louis

Wed 31/12

00:00-07:00

Nonstop0h 00m

£444

LondonSt. Louis

LTN London Luton - STL Lambert-St Louis

LTNSTL

London Luton

Mon 16/11

06:15-23:16

2 stops23h 01m

Lambert-St Louis

Wed 31/12

00:00-07:00

Nonstop0h 00m

£500

Fastest return journey

LondonSt. Louis

LTN London Luton - STL Lambert-St Louis

LTNSTL

London Luton

Thu 5/11

06:50-23:16

2 stops22h 26m

Lambert-St Louis

Wed 31/12

00:00-07:00

Nonstop0h 00m

£505

LondonSt. Louis

LTN London Luton - STL Lambert-St Louis

LTNSTL

London Luton

Sun 1/11

07:45-23:16

2 stops45h 31m

Lambert-St Louis

Wed 31/12

00:00-07:00

Nonstop0h 00m

£513

LondonSt. Louis

LTN London Luton - STL Lambert-St Louis

LTNSTL

London Luton

Sun 3/1

18:40-00:41

3 stops36h 01m

Lambert-St Louis

Wed 31/12

00:00-07:00

Nonstop0h 00m

£519

LondonSt. Louis

LTN London Luton - STL Lambert-St Louis

LTNSTL

London Luton

Mon 2/11

15:40-15:23

2 stops53h 43m

Lambert-St Louis

Wed 31/12

00:00-07:00

Nonstop0h 00m

£535

LondonSt. Louis

LTN London Luton - STL Lambert-St Louis

LTNSTL

London Luton

Thu 12/11

06:00-19:14

2 stops43h 14m

Lambert-St Louis

Wed 31/12

00:00-07:00

Nonstop0h 00m

£541

Flights are sorted by cheapest return flights first.

Deals found on 14/10

Showing 1-10 of 21 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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Cheap flights from London Luton Airport to St. Louis from £382

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/11. 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 15 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 15 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 15 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 15 October 2026.

Last-minute flights from Luton to St. LouisDiscover last-minute flight deals from Luton to St. Louis. Data last updated 15 October 2026 and is based on user searches.

Discover last-minute flight deals from Luton to St. Louis. Data last updated 15 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 15 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 15 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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Luton and St. Louis flights

Browse other Luton and St. Louis flight options. Last updated on 15 October 2026.

Other flights from Luton

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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 15 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 15 October 2026.

Last-minute flights from Luton to St. Louis
Discover last-minute flight deals from Luton to St. Louis. Data last updated 15 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 15 October 2026.