Find flights
When to book
FAQs

Cheap flights from London Stansted Airport to St. Louis from £274

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 23/2. Fares are subject to change and may not be available on all flights or dates of travel.
STN — STL
21 Feb — 28 Feb1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Stansted to St. Louis

Enter your travel dates to find the best prices.

Cheapest flights from Stansted to St. Louis
Explore the most affordable flight options available from Stansted to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 January 2026.

Wed 6/506:30
STN
-
STL
3 stops19h 34m
Multiple Airlines
Sat 9/513:00
STL
-
STN
3 stops24h 50m
Multiple Airlines
Deal found 20/1£678
Mon 27/719:50
STN
-
STL
2 stops23h 35m
Multiple Airlines
Wed 26/808:55
STL
-
STN
2 stops23h 30m
Multiple Airlines
Deal found 20/1£1,085
Wed 1/409:00
STN
-
STL
3 stops20h 02m
Multiple Airlines
Mon 13/416:05
STL
-
STN
2 stops19h 30m
Multiple Airlines
Deal found 20/1£1,090
Tue 27/1006:40
STN
-
STL
2 stops36h 38m
Multiple Airlines
Mon 2/1117:18
STL
-
STN
2 stops22h 57m
Multiple Airlines
Deal found 20/1£1,169
Fri 1/506:15
STN
-
STL
2 stops22h 44m
Multiple Airlines
Tue 5/507:45
STL
-
STN
2 stops51h 05m
Multiple Airlines
Deal found 21/1£1,173
Sat 27/617:45
STN
-
STL
2 stops26h 33m
Multiple Airlines
Mon 6/717:18
STL
-
STN
2 stops22h 52m
Multiple Airlines
Deal found 20/1£1,184
Sat 28/320:25
STN
-
STL
2 stops22h 00m
Multiple Airlines
Fri 10/415:30
STL
-
STN
2 stops22h 40m
Multiple Airlines
Deal found 20/1£1,504
Sat 28/320:25
STN
-
STL
2 stops22h 00m
Multiple Airlines
Sat 11/416:05
STL
-
STN
3 stops25h 15m
Multiple Airlines
Deal found 20/1£1,551

Find flight deals from Stansted to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Stansted (STN) to St. Louis (STL). 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 22 January 2026.

Round-trip from

£678

One-way from

£274

Popular in

July

Cheapest in

March

Average price

£558
6/5-9/5
  • 6/5-9/5
  • 6 total stops
  • 44h 24m total
  • London to St. Louis
Search Deals
23/2
  • 23/2
  • 3 total stops
  • 48h 33m total
  • London to St. Louis
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£75 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£12 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Stansted to St. Louis 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 22 January 2026.
Use the filters below to find and compare flights from London Stansted Airport to St. Louis that are best for you.

Fly from

Stansted

Fly to

St. Louis

Route

Depart

Return

Price

LondonSt. Louis

STN - STL

STNSTL

London Stansted

Wed 6/5

06:30-20:04

3 stops19h 34m

Lambert-St Louis

Sat 9/5

14:20-12:55

2 stops16h 35m

£718

LondonSt. Louis

STN - STL

STNSTL

London Stansted

Fri 1/5

06:15-22:59

2 stops22h 44m

Lambert-St Louis

Tue 5/5

07:45-16:50

2 stops51h 05m

£1,173

LondonSt. Louis

STN - STL

STNSTL

London Stansted

Sat 27/6

17:45-14:18

2 stops26h 33m

Lambert-St Louis

Mon 6/7

17:18-22:10

2 stops22h 52m

£1,184

LondonSt. Louis

STN - STL

STNSTL

London Stansted

Sat 28/3

20:25-13:25

2 stops22h 00m

Lambert-St Louis

Fri 10/4

15:30-20:10

2 stops22h 40m

£1,504

LondonSt. Louis

STN - STL

STNSTL

London Stansted

Sat 28/3

20:25-13:25

2 stops22h 00m

Lambert-St Louis

Sat 11/4

16:05-23:20

3 stops25h 15m

£1,551

LondonSt. Louis

STN - STL

STNSTL

London Stansted

Wed 6/5

10:50-21:04

2 stops40h 14m

Lambert-St Louis

Sat 9/5

07:45-16:50

2 stops27h 05m

£1,774

LondonSt. Louis

STN - STL

STNSTL

London Stansted

Thu 2/4

17:45-21:03

2 stops33h 18m

Lambert-St Louis

Sat 4/4

08:21-09:55

2 stops19h 34m

£1,858

LondonSt. Louis

STN - STL

STNSTL

London Stansted

Mon 23/2

21:20-15:53

3 stops48h 33m

£274

LondonSt. Louis

STN - STL

STNSTL

London Stansted

Wed 1/4

07:00-21:11

3 stops20h 11m

£372

LondonSt. Louis

STN - STL

STNSTL

London Stansted

Thu 2/4

07:00-21:11

3 stops20h 11m

£412

Flights are sorted by cheapest return flights first.

Deals found on 21/1

Showing 1-10 of 17 results
1
2

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

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Stansted 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 Stansted to St. Louis. 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 into for flights to St. Louis from London Stansted?

    Located just 12.7 mi from the city center, Lambert-St Louis is the airport most travelers will use when flying to St. Louis from London Stansted. Booking flights from London Stansted to Lambert-St Louis (STL) should be relatively easy as there are 0 daily inbound flights from London Stansted from 0 different airlines.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Stansted to St. Louis 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

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.

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 Stansted to St. Louis?

Deals for Stansted to St. Louis flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

Millions of users choose and trust Cheapflights to book the best flight deals from Stansted to St. Louis for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from Stansted to St. Louis, users can toggle the no change fees filter when performing a flight search.

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

Not ready to book yet? You can track prices for flights from Stansted to St. Louis on Cheapflights with our Price Alert feature and get notified when better prices are available.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.