In terms of precipitation, rainfall in London Luton Airport ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London Luton Airport when rainfall is around 1.6 in.

If weather is an important factor for your trip to London Luton Airport, 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 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

How far in advance should I book a flight from St. Louis to London Luton Airport?

Users have found that booking a flight from St. Louis to London Luton Airport at least 52 days early can save you up to 89% on average compared to booking a flight this week. If booking 52 days before your flight isn’t an option for you, users have found flights from St. Louis to London Luton Airport for as little as $1,076 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $1,299 for flights departing within the next 3 days.

What is the cheapest month to fly from St. Louis to London Luton Airport?

Due to multiple factors, expect to potentially pay more when booking in June. For low rates, April can be a great choice for travel to London Luton Airport. Flights to London Luton Airport from St. Louis in April are about $934 on average during April, but can be found for as low as $668.

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

When flying from St. Louis to London Luton Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

Lambert-St Louis (STL) is the airport you will fly out of if you book a flight from St. Louis to London Luton. You should not have trouble finding flights to London Luton from Lambert-St Louis; the airport handles an average of 0 outbound flights to London Luton per day. You should also have plenty of airline options to choose from since 0 airlines have flights from the St. Louis airport to London Luton. It is only a 12.7 mi journey to Lambert-St Louis (STL) from St. Louis’s city center.

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

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

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

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

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

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

$325+ Flights from St. Louis to London Luton Airport

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Cheap flight deals from St. Louis to Luton

Round-trip from	$789 (Mytrip)
One-way from	$325 (Mytrip)
Popular in	June
Cheapest in	April
Average price	$1,179

From Lambert-St Louis to London Luton

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One-way flight from Lambert-St Louis to London Luton

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Highest demand for flights based on searches. 20% potential increase in price ($235 potential increase over avg. RT price).

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Cheapest flight prices on average. 4% potential price decrease ($37 potential savings vs. average RT price).

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Average for round-trip flights in July 2025

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Cheapest flights from St. Louis to Luton
Explore the most affordable flight options available from St. Louis to Luton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

Mon 8/252:30 pmSTL - LTN

3 stops24h 05mMultiple Airlines

Sat 8/306:05 amLTN - STL

3 stops37h 27mMultiple Airlines

Deal found 7/3

$810

Best flights from St. Louis to Luton
Discover carefully curated flight deals from St. Louis to Luton that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 3, 2025.

Mon 8/252:30 pmSTL - LTN

3 stops24h 05mMultiple Airlines

Sat 8/306:05 amLTN - STL

3 stops37h 27mMultiple Airlines

Deal found 7/3

$789

Last-minute flights from St. Louis to Luton
Discover last-minute flight deals from St. Louis to Luton. Data last updated July 3, 2025 and is based on user searches.

Mon 8/252:30 pmSTL - LTN

3 stops24h 05mMultiple Airlines

Sat 8/306:05 amLTN - STL

3 stops37h 27mMultiple Airlines

Deal found 7/3

$810

One-way flights from St. Louis to Luton
Search for one-way flight options from St. Louis to Luton. Find affordable one-way fares based on user searches. Data last updated July 3, 2025.

Thu 10/238:44 amSTL - LTN

3 stops30h 11mMultiple Airlines

Deal found 7/3

$325

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

St. LouisLondon

STL - LTN

STLLTN

Lambert-St Louis

Mon 8/25

2:30 pm-8:35 pm

3 stops24h 05m

London Luton

Sat 8/30

6:05 am-1:32 pm

3 stops37h 27m

$789

St. LouisLondon

STL - LTN

STLLTN

Lambert-St Louis

Thu 10/23

8:44 am-8:55 pm

3 stops30h 11m

$325

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/3

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

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

Estimated round-trip price

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Related info for your journey

What airport do you fly from for flights from St. Louis to London Luton?
Lambert-St Louis (STL) is the airport you will fly out of if you book a flight from St. Louis to London Luton. You should not have trouble finding flights to London Luton from Lambert-St Louis; the airport handles an average of 0 outbound flights to London Luton per day. You should also have plenty of airline options to choose from since 0 airlines have flights from the St. Louis airport to London Luton. It is only a 12.7 mi journey to Lambert-St Louis (STL) from St. Louis’s city center.
Can I find deals for flights from St. Louis to Luton that include hotel bookings?
Yes. In addition to deals on St. Louis to Luton flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from St. Louis to Luton?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Luton.
Can I find deals for business class flights from St. Louis to Luton?
Yes. Cheapflights offers flight deals from St. Louis to Luton by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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$325+ Cheap flights from St. Louis (STL) to Luton (LTN)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/23. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from St. Louis to Luton with Cheapflights

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Find flight deals from St. Louis to Luton

Cheapest flights from St. Louis to LutonExplore the most affordable flight options available from St. Louis to Luton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

Explore the most affordable flight options available from St. Louis to Luton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

Cheapflights Fare Finder

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

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

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

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Luton. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

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

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

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

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Cheapest flights from St. Louis to Luton
Explore the most affordable flight options available from St. Louis to Luton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.