What is the cheapest day to fly from St. Louis to London Stansted Airport?

Travelers seeking maximum savings on their St. Louis to London Stansted Airport flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Tuesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in London Stansted 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 Stansted Airport when rainfall is around 1.6 in.

If weather is an important factor for your trip to London Stansted 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 Stansted Airport?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 52 days in advance, which can save you up to 89% on flights from St. Louis to London Stansted Airport compared to booking the week you need them. Waiting 52 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $1,076. For sooner than that we have options available in the next 3 days from $1,299.

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

Our data shows that April tends to be the cheapest month to fly to London Stansted Airport from St. Louis. Users have commonly found prices around $934 for the month, but tickets can be as low as $668. Due to multiple factors, prepare for potentially higher prices in June.

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

When flying from St. Louis to London Stansted 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 Stansted?

If you book a flight to London Stansted from St. Louis, you will be flying from Lambert-St Louis, which is the city’s only airport. Lambert-St Louis (STL) is located 12.7 mi from the center of St. Louis. There are 0 flights from Lambert-St Louis to London Stansted per day from 0 different airlines.

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

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

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

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

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

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

$337+ Flights from St. Louis to London Stansted Airport

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Cheap flight deals from St. Louis to Stansted

Round-trip from	$744 (Mytrip)
One-way from	$337 (Mytrip)
Popular in	June
Cheapest in	April
Average price	$1,333

From Lambert-St Louis to London Stansted

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

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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 June 2025

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Cheapest flights from St. Louis to Stansted
Explore the most affordable flight options available from St. Louis to Stansted. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 30, 2025.

Tue 7/299:15 amSTL - STN

2 stops30h 00mMultiple Airlines

Tue 8/510:35 pmSTN - STL

2 stops27h 10mMultiple Airlines

Deal found 6/29

$744

Best flights from St. Louis to Stansted
Discover carefully curated flight deals from St. Louis to Stansted that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 30, 2025.

Tue 7/299:15 amSTL - STN

2 stops30h 00mMultiple Airlines

Tue 8/510:35 pmSTN - STL

2 stops27h 10mMultiple Airlines

Deal found 6/29

$744

Last-minute flights from St. Louis to Stansted
Discover last-minute flight deals from St. Louis to Stansted. Data last updated June 30, 2025 and is based on user searches.

Wed 7/91:30 pmSTL - STN

2 stops16h 20mMultiple Airlines

Sun 7/136:00 amSTN - STL

2 stops20h 50mMultiple Airlines

Deal found 6/29

$2,120

Tue 7/299:15 amSTL - STN

2 stops30h 00mMultiple Airlines

Tue 8/510:35 pmSTN - STL

2 stops27h 10mMultiple Airlines

Deal found 6/29

$744

One-way flights from St. Louis to Stansted
Search for one-way flight options from St. Louis to Stansted. Find affordable one-way fares based on user searches. Data last updated June 30, 2025.

Sun 7/2710:47 amSTL - STN

3 stops29h 53mMultiple Airlines

Deal found 6/28

$337

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

Tue 7/29

9:15 am-9:15 pm

2 stops30h 00m

London Stansted

Tue 8/5

10:35 pm-7:45 pm

2 stops27h 10m

$744

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

Sun 7/27

10:47 am-10:40 pm

3 stops29h 53m

$337

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/28

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

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

Estimated round-trip 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 from for flights from St. Louis to London Stansted?
If you book a flight to London Stansted from St. Louis, you will be flying from Lambert-St Louis, which is the city’s only airport. Lambert-St Louis (STL) is located 12.7 mi from the center of St. Louis. There are 0 flights from Lambert-St Louis to London Stansted per day from 0 different airlines.
Can I find deals for flights from St. Louis to Stansted that include hotel bookings?
Yes. In addition to deals on St. Louis to Stansted flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from St. Louis to Stansted?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Stansted.
Can I find deals for business class flights from St. Louis to Stansted?
Yes. Cheapflights offers flight deals from St. Louis to Stansted 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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$337+ Cheap flights from St. Louis (STL) to Stansted (STN)

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 7/27. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from St. Louis to Stansted with Cheapflights

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Cheap flight deals from St. Louis to Stansted

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Find flight deals from St. Louis to Stansted

Cheapest flights from St. Louis to StanstedExplore the most affordable flight options available from St. Louis to Stansted. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 30, 2025.

Explore the most affordable flight options available from St. Louis to Stansted. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 30, 2025.

Cheapflights Fare Finder

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

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

Have a flexible travel schedule? Discover the best time to fly to Stansted 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 Stansted. 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 Stansted?

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

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

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

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Cheapest flights from St. Louis to Stansted
Explore the most affordable flight options available from St. Louis to Stansted. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 30, 2025.