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Cheap flights from St. Louis to London Stansted Airport from £344

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 21/4. Fares are subject to change and may not be available on all flights or dates of travel.
STL — STN
28 Nov — 5 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap 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 29 October 2025.

Round-trip from

£476

One-way from

£344

Popular in

June

Cheapest in

October

Average price

£556
14/11-18/11
  • 14/11-18/11
  • 4 total stops
  • 40h 55m total
  • St. Louis to London
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21/4
  • 21/4
  • 2 total stops
  • 14h 40m total
  • St. Louis to London
Search Deals
Highest demand for flights based on searches. 21% potential increase in price (£145 potential increase over avg. return price).
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Cheapest flight prices on average. 4% potential price decrease (£22 potential savings vs. average return price).
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Average for round-trip flights in October 2025
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Find 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 29 October 2025.

Fri 14/1115:50STL - STN
2 stops18h 45mMultiple Airlines
Tue 18/1121:45STN - STL
2 stops22h 10mMultiple Airlines
Deal found 28/10£476
Wed 19/1116:05STL - STN
3 stops23h 00mMultiple Airlines
Thu 27/1121:30STN - STL
2 stops22h 25mMultiple Airlines
Deal found 27/10£497
Fri 12/1216:05STL - STN
3 stops24h 30mMultiple Airlines
Sun 14/1221:25STN - STL
3 stops32h 13mMultiple Airlines
Deal found 26/10£989
Wed 10/1216:05STL - STN
3 stops19h 55mMultiple Airlines
Wed 17/1220:55STN - STL
3 stops32h 50mMultiple Airlines
Deal found 27/10£1,117
Mon 29/1216:05STL - STN
2 stops21h 00mMultiple Airlines
Sat 3/110:15STN - STL
3 stops30h 41mMultiple Airlines
Deal found 27/10£1,183
Wed 26/1116:05STL - STN
3 stops24h 10mMultiple Airlines
Wed 3/1214:20STN - STL
3 stops34h 46mMultiple Airlines
Deal found 27/10£1,242
Mon 24/1116:46STL - STN
2 stops22h 34mMultiple Airlines
Mon 1/1206:30STN - STL
2 stops18h 57mMultiple Airlines
Deal found 27/10£1,258
Mon 22/1216:05STL - STN
3 stops21h 05mMultiple Airlines
Sun 28/1206:00STN - STL
3 stops23h 45mMultiple Airlines
Deal found 28/10£1,406
Fri 31/1016:50STL - STN
2 stops25h 15mMultiple Airlines
Sun 2/1113:10STN - STL
3 stops34h 29mMultiple Airlines
Deal found 28/10£1,518
Sat 15/1116:05STL - STN
3 stops25h 00mMultiple Airlines
Sat 22/1118:45STN - STL
2 stops25h 10mMultiple Airlines
Deal found 27/10£1,603

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 29 October 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

Fri 14/11

15:50-16:35

2 stops18h 45m

London Stansted

Tue 18/11

21:45-13:55

2 stops22h 10m

£476

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

Wed 19/11

16:05-21:05

3 stops23h 00m

London Stansted

Thu 27/11

21:30-13:55

2 stops22h 25m

£497

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

Fri 3/4

16:05-21:20

2 stops23h 15m

London Stansted

Sat 2/5

06:25-21:48

3 stops21h 23m

£784

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

Fri 3/4

17:18-16:50

2 stops41h 32m

London Stansted

Sat 2/5

17:45-14:18

2 stops26h 33m

£950

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

Fri 12/12

16:05-22:35

3 stops24h 30m

London Stansted

Sun 14/12

21:25-23:38

3 stops32h 13m

£989

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

Wed 8/4

17:18-22:10

2 stops22h 52m

London Stansted

Sun 19/4

11:10-14:18

2 stops33h 08m

£996

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

Fri 24/4

17:18-22:10

2 stops22h 52m

London Stansted

Thu 30/4

17:45-14:18

2 stops26h 33m

£1,086

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

Fri 24/4

17:18-22:10

2 stops22h 52m

London Stansted

Tue 28/4

06:15-14:18

2 stops38h 03m

£1,087

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

Wed 10/12

16:05-18:00

3 stops19h 55m

London Stansted

Wed 17/12

20:55-23:45

3 stops32h 50m

£1,117

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

Mon 29/12

16:05-19:05

2 stops21h 00m

London Stansted

Sat 3/1

10:15-10:56

3 stops30h 41m

£1,183

Flights are sorted by cheapest return flights first.

Deals found on 27/10

Showing 1-10 of 16 results
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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 41h 32m. 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
Gatwick
Hounslow
Luton
Ilford
Wembley
Deal
Hayes
Colchester
Watford
Winchester
Chichester
Crawley
Romford
Brentford
Ipswich
Bedford
Eastbourne

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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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