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Cheap flights from St. Louis to London Stansted Airport from £239

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 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
STL — STN
11 Jan — 18 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from St. Louis to Stansted

Enter your travel dates to find the best prices.

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 December 2025.

Wed 24/1216:05STL - STN
2 stops20h 55mMultiple Airlines
Sun 28/1221:45STN - STL
2 stops23h 44mMultiple Airlines
Deal found 11/12£1,780
Sun 14/1215:50STL - STN
2 stops21h 45mMultiple Airlines
Tue 16/1219:30STN - STL
2 stops24h 25mMultiple Airlines
Deal found 10/12£1,936

Find flight deals from St. Louis to Stansted

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Stansted (STN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 12 December 2025.

Round-trip from

£791

One-way from

£239

Popular in

June

Cheapest in

November

Average price

£783
25/1-29/1
  • 25/1-29/1
  • 4 total stops
  • 59h 25m total
  • St. Louis to London
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5/5
  • 5/5
  • 2 total stops
  • 25h 25m total
  • St. Louis to London
Search Deals
Highest demand for flights based on searches. 24% potential increase in price (£158 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£23 potential savings vs. average return price).
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Average for round-trip flights in December 2025
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Cheapflights Fare Finder

 
Customise your flight search to find flights from St. Louis to Stansted that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 12 December 2025.
Use the filters below to find and compare flights from St. Louis to London Stansted Airport that are best for you.

Fly from

St. Louis

Fly to

Stansted

Route

Depart

Return

Price

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

Sun 25/1

15:50-22:20

2 stops24h 30m

London Stansted

Thu 29/1

09:00-13:55

2 stops34h 55m

£791

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

Tue 31/3

07:45-10:15

2 stops20h 30m

London Stansted

Wed 8/4

17:45-21:03

2 stops33h 18m

£854

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

Tue 24/3

07:40-09:50

2 stops21h 10m

London Stansted

Wed 1/4

17:45-21:03

2 stops33h 18m

£1,144

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

Sat 2/5

17:18-10:15

2 stops34h 57m

London Stansted

Sat 9/5

11:10-21:04

2 stops39h 54m

£1,211

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

Fri 22/5

17:18-10:15

2 stops34h 57m

London Stansted

Fri 5/6

11:10-14:18

2 stops33h 08m

£1,730

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

Wed 24/12

16:05-19:00

2 stops20h 55m

London Stansted

Sun 28/12

21:45-15:29

2 stops23h 44m

£1,780

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

Sat 21/3

14:25-11:35

2 stops16h 10m

London Stansted

Tue 31/3

22:00-13:30

2 stops21h 30m

£1,845

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

Fri 17/4

15:30-15:25

2 stops17h 55m

London Stansted

Mon 18/5

15:15-20:04

3 stops34h 49m

£1,903

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

Sun 24/5

17:18-22:10

2 stops22h 52m

London Stansted

Sun 14/6

17:45-14:18

2 stops50h 33m

£2,092

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

Wed 22/4

07:45-16:50

2 stops27h 05m

London Stansted

Sat 2/5

17:45-21:04

2 stops33h 19m

£7,061

Flights are sorted by cheapest return flights first.

Deals found on 10/12

Showing 1-10 of 19 results
1
2

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

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?

    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.

  • How long is the flight from St. Louis to London Stansted Airport?

    Turkish Airlines can get you from St. Louis to London Stansted Airport in just under 20h 30m. Your travel time can differ by up to . The distance from St. Louis to London Stansted Airport is about 4200 mi.

  • 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.

See more FAQs

Travelling to a place near London Stansted Airport?

Book flights to London Stansted Airport if you plan to visit one of these locations
Milton Keynes
Croydon
Slough
Hounslow
Luton
Gatwick
Wembley
Ilford
Brentford
Colchester
Watford
Hayes
Crawley
Winchester
Deal
Bedford
Romford
Chichester
Guildford
Ipswich

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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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