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Cheap flights from London City Airport to St. Louis from £424

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 15/5. Fares are subject to change and may not be available on all flights or dates of travel.
LCY — STL
13 Mar — 20 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from London City to St. Louis

Enter your travel dates to find the best prices.

Cheapest flights from London City to St. Louis
Explore the most affordable flight options available from London City to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 February 2026.

Mon 27/419:15
LCY
-
STL
2 stops27h 48m
British Airways
Mon 18/512:27
STL
-
LCY
2 stops17h 03m
British Airways
Deal found 8/2£595
Mon 4/519:00
LCY
-
STL
2 stops30h 31m
British Airways
Mon 18/512:27
STL
-
LCY
2 stops17h 03m
British Airways
Deal found 8/2£611
Tue 5/520:25
LCY
-
STL
2 stops29h 06m
British Airways
Tue 19/520:03
STL
-
LCY
2 stops14h 27m
British Airways
Deal found 10/2£636
Mon 9/310:00
LCY
-
STL
2 stops18h 58m
KLM
Mon 16/318:59
STL
-
LCY
2 stops16h 36m
KLM
Deal found 8/2£659
Mon 27/419:15
LCY
-
STL
2 stops27h 48m
British Airways
Fri 15/518:11
STL
-
LCY
2 stops39h 54m
British Airways
Deal found 8/2£666
Wed 13/507:00
LCY
-
STL
2 stops18h 31m
British Airways
Wed 10/609:40
STL
-
LCY
2 stops19h 50m
British Airways
Deal found 8/2£671
Wed 25/310:00
LCY
-
STL
2 stops18h 58m
Delta
Wed 1/412:28
STL
-
LCY
2 stops13h 27m
Delta
Deal found 8/2£702
Wed 13/507:00
LCY
-
STL
2 stops18h 31m
British Airways
Wed 3/611:20
STL
-
LCY
2 stops18h 50m
British Airways
Deal found 8/2£705
Sun 3/513:15
LCY
-
STL
2 stops16h 33m
Aer Lingus
Sun 17/512:11
STL
-
LCY
2 stops16h 09m
Aer Lingus
Deal found 8/2£709
Thu 5/314:45
LCY
-
STL
2 stops33h 22m
British Airways
Sun 15/314:00
STL
-
LCY
2 stops19h 35m
British Airways
Deal found 10/2£709
Wed 29/407:00
LCY
-
STL
2 stops18h 29m
British Airways
Wed 20/518:54
STL
-
LCY
2 stops31h 41m
British Airways
Deal found 10/2£726
Thu 16/413:45
LCY
-
STL
2 stops14h 32m
Aer Lingus
Thu 30/412:25
STL
-
LCY
2 stops14h 10m
Aer Lingus
Deal found 11/2£779

Find flight deals from London City to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from London City (LCY) 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 11 February 2026.

Round-trip from

£595

One-way from

£424

Popular in

July

Cheapest in

March

Average price

£639
British Airways
  • British Airways
  • 27/4-18/5
  • 4 total stops
  • 44h 51m total
  • London to St. Louis
Search Deals
Delta
  • Delta
  • 15/5
  • 2 total stops
  • 17h 54m total
  • London to St. Louis
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£73 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£11 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from London City 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 11 February 2026.
Use the filters below to find and compare flights from London City Airport to St. Louis that are best for you.

Fly from

London City

Fly to

St. Louis

Route

Depart

Return

Price

LondonSt. Louis

LCY - STL

LCYSTL

London City

Mon 27/4

19:15-17:03

2 stops27h 48m

Lambert-St Louis

Mon 18/5

12:27-11:30

2 stops17h 03m

£595

LondonSt. Louis

LCY - STL

LCYSTL

London City

Mon 4/5

19:00-19:31

2 stops30h 31m

Lambert-St Louis

Mon 18/5

12:27-11:30

2 stops17h 03m

£611

LondonSt. Louis

LCY - STL

LCYSTL

London City

Tue 5/5

20:25-19:31

2 stops29h 06m

Lambert-St Louis

Tue 19/5

20:03-16:30

2 stops14h 27m

£636

LondonSt. Louis

LCY - STL

LCYSTL

London City

Mon 9/3

10:00-23:58

2 stops18h 58m

Lambert-St Louis

Mon 16/3

18:59-16:35

2 stops16h 36m

£659

LondonSt. Louis

LCY - STL

LCYSTL

London City

Mon 27/4

19:15-17:03

2 stops27h 48m

Lambert-St Louis

Fri 15/5

18:11-16:05

2 stops39h 54m

£666

LondonSt. Louis

LCY - STL

LCYSTL

London City

Wed 13/5

07:00-19:31

2 stops18h 31m

Lambert-St Louis

Wed 10/6

09:40-11:30

2 stops19h 50m

£671

LondonSt. Louis

LCY - STL

LCYSTL

London City

Wed 25/3

10:00-23:58

2 stops18h 58m

Lambert-St Louis

Wed 1/4

12:28-07:55

2 stops13h 27m

£702

LondonSt. Louis

LCY - STL

LCYSTL

London City

Wed 13/5

07:00-19:31

2 stops18h 31m

Lambert-St Louis

Wed 3/6

11:20-12:10

2 stops18h 50m

£705

LondonSt. Louis

LCY - STL

LCYSTL

London City

Wed 13/5

07:00-19:31

2 stops18h 31m

Lambert-St Louis

Wed 27/5

11:20-12:10

2 stops18h 50m

£705

LondonSt. Louis

LCY - STL

LCYSTL

London City

Sun 3/5

13:15-23:48

2 stops16h 33m

Lambert-St Louis

Sun 17/5

12:11-10:20

2 stops16h 09m

£709

Flights are sorted by cheapest return flights first.

Deals found on 8/2

Showing 1-10 of 22 results
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Best time to book a flight from London City to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from London City 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 London City 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 City?

    If you book a flight to St. Louis from London City, you will be flying to 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 London City to Lambert-St Louis per day from 0 different airlines.

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

    A quick flight from London City Airport to St. Louis can take about 18h 58m. British Airways provides one of the quickest options available for as low as £659. Airlines will cover a distance of 4205 mi. This flight may include one or multiple stops.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from London City 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

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

Cheapflights makes it easy to find London City to St. Louis flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

Cheapflights helps you find that perfect flight to St. Louis from London City by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Yes, we can. To see specific flights from London City to St. Louis with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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