What is the cheapest month to book a flight from St. Louis to London Stansted Airport?

Currently, January is the cheapest month in which you can book a flight from St. Louis to London Stansted Airport (average of £55). Flying from St. Louis to London Stansted Airport in July is currently the most expensive (average of £103). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

In terms of precipitation, rainfall in London Stansted Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Stansted Airport when rainfall is around 40.0 mm.

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 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

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

To save up to 93% on this flight, we recommend booking at least 54 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from St. Louis to London Stansted Airport from £543 1-2 weeks out and tickets from £964 for flights departing within the next 72 hours.

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

October is one of the best times of the year to fly to London Stansted Airport from St. Louis. Prices for October average £687 per person but you can even find prices for as low as £403. The most expensive prices can be found in the month of June. Opting for a October flight can save you 43% on your journey compared to booking 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 holiday 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.

£236+ Flights from St. Louis to London Stansted Airport

Cheap flight deals from St. Louis to Stansted

Round-trip from	£511
One-way from	£236
Popular in	June
Cheapest in	October
Average price	£604

1/10-7/10
4 total stops
48h 58m total
St. Louis to London

Search Deals

15/11
3 total stops
43h 02m total
St. Louis to London

Search Deals

Highest demand for flights based on searches. 21% potential increase in price (£136 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease (£21 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2025

Search Deals

Find flight deals from St. Louis to Stansted

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 12 September 2025.

Wed 1/1013:30STL - STN

2 stops21h 25mMultiple Airlines

Tue 7/1022:05STN - STL

2 stops27h 33mMultiple Airlines

Deal found 11/9£511

Wed 17/909:15STL - STN

3 stops25h 20mMultiple Airlines

Wed 24/906:45STN - STL

2 stops19h 12mMultiple Airlines

Deal found 10/9£654

Sun 5/1013:30STL - STN

2 stops16h 25mMultiple Airlines

Sun 12/1020:00STN - STL

3 stops29h 48mMultiple Airlines

Deal found 10/9£726

Sun 26/1016:50STL - STN

2 stops18h 20mMultiple Airlines

Sun 2/1105:00STN - STL

3 stops23h 56mMultiple Airlines

Deal found 11/9£827

Thu 16/1016:05STL - STN

3 stops23h 50mMultiple Airlines

Fri 24/1022:20STN - STL

3 stops22h 58mMultiple Airlines

Deal found 10/9£859

Fri 17/1009:15STL - STN

3 stops28h 20mMultiple Airlines

Tue 21/1020:00STN - STL

3 stops29h 38mMultiple Airlines

Deal found 11/9£884

Wed 24/906:35STL - STN

3 stops26h 35mMultiple Airlines

Sat 27/911:05STN - STL

3 stops28h 35mMultiple Airlines

Deal found 10/9£976

Thu 9/1009:15STL - STN

3 stops25h 35mMultiple Airlines

Sun 12/1007:15STN - STL

2 stops18h 23mMultiple Airlines

Deal found 11/9£1,237

Best flights from St. Louis to Stansted
Discover carefully curated flight deals from St. Louis to Stansted that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 12 September 2025.

Wed 1/1013:30STL - STN

2 stops21h 25mMultiple Airlines

Tue 7/1022:05STN - STL

2 stops27h 33mMultiple Airlines

Deal found 11/9£511

Sun 5/1013:30STL - STN

2 stops16h 25mMultiple Airlines

Sun 12/1020:00STN - STL

3 stops29h 48mMultiple Airlines

Deal found 10/9£726

Sun 26/1016:50STL - STN

2 stops18h 20mMultiple Airlines

Sun 2/1105:00STN - STL

3 stops23h 56mMultiple Airlines

Deal found 11/9£827

Thu 16/1016:05STL - STN

3 stops23h 50mMultiple Airlines

Fri 24/1022:20STN - STL

3 stops22h 58mMultiple Airlines

Deal found 10/9£859

Fri 17/1009:15STL - STN

3 stops28h 20mMultiple Airlines

Tue 21/1020:00STN - STL

3 stops29h 38mMultiple Airlines

Deal found 11/9£884

Wed 24/906:35STL - STN

3 stops26h 35mMultiple Airlines

Sat 27/911:05STN - STL

3 stops28h 35mMultiple Airlines

Deal found 10/9£976

Mon 27/1016:05STL - STN

2 stops26h 50mMultiple Airlines

Thu 30/1009:10STN - STL

2 stops34h 45mMultiple Airlines

Deal found 11/9£1,252

Fri 10/1016:05STL - STN

2 stops19h 35mMultiple Airlines

Fri 17/1007:30STN - STL

2 stops18h 08mMultiple Airlines

Deal found 10/9£1,254

Last-minute flights from St. Louis to Stansted
Discover last-minute flight deals from St. Louis to Stansted. Data last updated 12 September 2025 and is based on user searches.

Wed 17/909:15STL - STN

3 stops25h 20mMultiple Airlines

Wed 24/906:45STN - STL

2 stops19h 12mMultiple Airlines

Deal found 10/9£654

Wed 24/906:35STL - STN

3 stops26h 35mMultiple Airlines

Sat 27/911:05STN - STL

3 stops28h 35mMultiple Airlines

Deal found 10/9£976

Wed 1/1013:30STL - STN

2 stops21h 25mMultiple Airlines

Tue 7/1022:05STN - STL

2 stops27h 33mMultiple Airlines

Deal found 11/9£511

Sun 5/1013:30STL - STN

2 stops16h 25mMultiple Airlines

Sun 12/1020:00STN - STL

3 stops29h 48mMultiple Airlines

Deal found 10/9£726

Thu 9/1009:15STL - STN

3 stops25h 35mMultiple Airlines

Sun 12/1007:15STN - STL

2 stops18h 23mMultiple Airlines

Deal found 11/9£1,237

Thu 16/1016:05STL - STN

3 stops23h 50mMultiple Airlines

Fri 24/1022:20STN - STL

3 stops22h 58mMultiple Airlines

Deal found 10/9£859

Fri 17/1009:15STL - STN

3 stops28h 20mMultiple Airlines

Tue 21/1020:00STN - STL

3 stops29h 38mMultiple Airlines

Deal found 11/9£884

Sun 26/1016:50STL - STN

2 stops18h 20mMultiple Airlines

Sun 2/1105:00STN - STL

3 stops23h 56mMultiple Airlines

Deal found 11/9£827

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 12 September 2025.

Sat 15/1116:33STL - STN

3 stops43h 02mMultiple Airlines

Deal found 10/9£236

Mon 6/1021:29STL - STN

3 stops34h 51mMultiple Airlines

Deal found 11/9£245

Tue 14/1019:52STL - STN

3 stops43h 33mMultiple Airlines

Deal found 11/9£254

Wed 3/1216:05STL - STN

3 stops22h 00mMultiple Airlines

Deal found 11/9£280

Fri 10/1018:05STL - STN

3 stops34h 35mMultiple Airlines

Deal found 10/9£303

Sat 4/1009:15STL - STN

3 stops29h 55mMultiple Airlines

Deal found 11/9£394

Fri 13/210:42STL - STN

2 stops22h 33mMultiple Airlines

Deal found 10/9£448

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

Wed 1/10

13:30-16:55

2 stops21h 25m

London Stansted

Tue 7/10

22:05-19:38

2 stops27h 33m

£511

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

Sun 5/10

13:30-11:55

2 stops16h 25m

London Stansted

Sun 12/10

20:00-19:48

3 stops29h 48m

£726

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

Sun 26/10

16:50-16:10

2 stops18h 20m

London Stansted

Sun 2/11

05:00-23:56

3 stops23h 56m

£827

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

Thu 16/10

16:05-21:55

3 stops23h 50m

London Stansted

Fri 24/10

22:20-15:18

3 stops22h 58m

£859

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

Fri 17/10

09:15-19:35

3 stops28h 20m

London Stansted

Tue 21/10

20:00-19:38

3 stops29h 38m

£884

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

Wed 24/9

06:35-15:10

3 stops26h 35m

London Stansted

Sat 27/9

11:05-09:40

3 stops28h 35m

£976

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

Mon 27/10

16:05-23:55

2 stops26h 50m

London Stansted

Thu 30/10

09:10-14:55

2 stops34h 45m

£1,252

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

Fri 10/10

16:05-17:40

2 stops19h 35m

London Stansted

Fri 17/10

07:30-19:38

2 stops18h 08m

£1,254

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

Sat 15/11

16:33-17:35

3 stops43h 02m

£236

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

Mon 6/10

21:29-14:20

3 stops34h 51m

£245

Flights are sorted by cheapest return flights first.

Deals found on 10/9

Showing 1-10 of 16 results

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 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 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 holiday 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.
What is the cheapest month to book a flight from St. Louis to London Stansted Airport?
Currently, January is the cheapest month in which you can book a flight from St. Louis to London Stansted Airport (average of £55). Flying from St. Louis to London Stansted Airport in July is currently the most expensive (average of £103). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Milton Keynes

Croydon

Hounslow

Gatwick

Slough

Luton

Deal

Wembley

Ilford

Crawley

Hayes

Watford

Folkestone

Winchester

Chichester

Ipswich

Dartford

Eastbourne

Guildford

Bishop's Stortford

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How does Cheapflights help users find flights from St. Louis to Stansted?

Cheapflights helps you search for flights from St. Louis to Stansted via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Stansted from St. Louis.

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

Need flexible booking options for your flight to Stansted from St. Louis? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Stansted from St. Louis today and book when prices fit your budget.

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Cheap flights from St. Louis to London Stansted Airport from £236

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 15/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from St. Louis to Stansted

Round-trip from

One-way from

Popular in

Cheapest in

Average price

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 12 September 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 12 September 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?

What is the cheapest month to book a flight from St. Louis to London Stansted Airport?

Travelling to a place near London Stansted Airport?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for St. Louis to Stansted

See prices for flight routes from nearby airports that may be better suited for you.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from St. Louis to Stansted?

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

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

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

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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 12 September 2025.