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Cheap flights from London City Airport to St. Louis from £442

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 21/9. Fares are subject to change and may not be available on all flights or dates of travel.
LCY — STL
12 Jun — 19 Jun1
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 13 May 2026.

Fri 13/1117:05
LCY
-
STL
2 stops33h 50m
British Airways
Mon 16/1115:23
STL
-
LCY
2 stops17h 12m
British Airways
Deal found 12/5£712
Mon 15/608:25
LCY
-
STL
2 stops18h 14m
Delta
Mon 29/611:18
STL
-
LCY
2 stops14h 37m
Delta
Deal found 11/5£806
Wed 24/610:00
LCY
-
STL
2 stops16h 39m
Delta
Fri 10/710:19
STL
-
LCY
2 stops14h 56m
Delta
Deal found 13/5£831
Sat 27/610:00
LCY
-
STL
2 stops18h 04m
Delta
Mon 6/710:51
STL
-
LCY
2 stops14h 24m
Delta
Deal found 11/5£836
Mon 8/609:20
LCY
-
STL
2 stops17h 19m
Delta
Mon 22/610:20
STL
-
LCY
2 stops15h 35m
Delta
Deal found 8/5£839
Thu 1/1009:10
LCY
-
STL
2 stops20h 10m
Aer Lingus
Thu 15/1007:38
STL
-
LCY
2 stops18h 57m
Aer Lingus
Deal found 13/5£849
Wed 23/909:10
LCY
-
STL
2 stops20h 10m
Aer Lingus
Tue 29/907:44
STL
-
LCY
2 stops18h 51m
Aer Lingus
Deal found 9/5£880
Fri 26/609:20
LCY
-
STL
2 stops17h 05m
Multiple Airlines
Fri 3/712:10
STL
-
LCY
2 stops15h 20m
Multiple Airlines
Deal found 12/5£935
Tue 9/619:15
LCY
-
STL
2 stops34h 44m
Multiple Airlines
Tue 16/613:45
STL
-
LCY
2 stops25h 50m
Multiple Airlines
Deal found 9/5£937

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 13 May 2026.

Round-trip from

£806

One-way from

£442

Popular in

July

Cheapest in

February

Average price

£673
Delta
  • Delta
  • 15/6-29/6
  • 4 total stops
  • 32h 51m total
  • London to St. Louis
Search Deals
Lufthansa
  • Lufthansa
  • 21/9
  • 2 total stops
  • 20h 22m total
  • London to St. Louis
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£68 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£11 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 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 13 May 2026.
Use the filters below to find and compare flights from London City Airport to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonSt. Louis

LCY - STL

LCYSTL

London City

Mon 15/6

08:25-20:39

2 stops18h 14m

Lambert-St Louis

Mon 29/6

11:18-07:55

2 stops14h 37m

£806
Fastest return journey

LondonSt. Louis

LCY - STL

LCYSTL

London City

Wed 24/6

10:00-20:39

2 stops16h 39m

Lambert-St Louis

Fri 10/7

10:19-07:15

2 stops14h 56m

£831

LondonSt. Louis

LCY - STL

LCYSTL

London City

Wed 23/9

09:10-23:20

2 stops20h 10m

Lambert-St Louis

Tue 29/9

07:44-08:35

2 stops18h 51m

£880

LondonSt. Louis

LCY - STL

LCYSTL

London City

Tue 9/6

18:30-20:25

3 stops31h 55m

Lambert-St Louis

Tue 23/6

08:40-17:55

2 stops27h 15m

£956

LondonSt. Louis

LCY - STL

LCYSTL

London City

Mon 15/6

18:30-20:25

3 stops31h 55m

Lambert-St Louis

Mon 29/6

08:40-17:55

2 stops27h 15m

£966

LondonSt. Louis

LCY - STL

LCYSTL

London City

Wed 24/6

13:45-00:16

2 stops16h 31m

Lambert-St Louis

Wed 22/7

09:08-08:35

2 stops17h 27m

£1,044

LondonSt. Louis

LCY - STL

LCYSTL

London City

Wed 17/6

09:20-20:39

2 stops17h 19m

Lambert-St Louis

Tue 23/6

10:20-07:55

2 stops15h 35m

£1,061

LondonSt. Louis

LCY - STL

LCYSTL

London City

Tue 16/6

10:00-20:39

2 stops16h 39m

Lambert-St Louis

Tue 23/6

10:20-07:55

2 stops15h 35m

£1,061
Cheapest one-way
Fastest single journey

LondonSt. Louis

LCY - STL

LCYSTL

London City

Tue 1/9

06:45-14:02

2 stops13h 17m

£475

LondonSt. Louis

LCY - STL

LCYSTL

London City

Tue 1/9

18:30-13:25

1 stop24h 55m

£500

Flights are sorted by cheapest return flights first.

Deals found on 10/5

Showing 1-10 of 16 resultsSorted by cheapest first
1
2

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 14m. Delta provides one of the quickest options available for as low as £806. 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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