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Cheap flights from London City Airport to St. Louis from £400

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 16/1. Fares are subject to change and may not be available on all flights or dates of travel.
LCY — STL
14 Dec — 21 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap 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 14 November 2025.

Round-trip from

£575

One-way from

£400

Popular in

December

Cheapest in

March

Average price

£739
British Airways
  • British Airways
  • 28/1-25/2
  • 4 total stops
  • 39h 14m total
  • London to St. Louis
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British Airways
  • British Airways
  • 16/1
  • 2 total stops
  • 16h 44m total
  • London to St. Louis
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Highest demand for flights based on searches. 6% potential increase in price (£38 potential increase over avg. return price).
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Cheapest flight prices on average. 4% potential price decrease (£24 potential savings vs. average return price).
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Average for round-trip flights in November 2025
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Find 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 14 November 2025.

Tue 9/1218:55LCY - STL
2 stops31h 43mBritish Airways
Tue 16/1210:56STL - LCY
2 stops23h 29mBritish Airways
Deal found 11/11£616
Wed 10/1207:15LCY - STL
2 stops19h 23mBritish Airways
Wed 17/1210:56STL - LCY
2 stops23h 29mBritish Airways
Deal found 11/11£807
Wed 10/1219:15LCY - STL
2 stops34h 23mMultiple Airlines
Wed 17/1213:43STL - LCY
2 stops16h 57mMultiple Airlines
Deal found 12/11£820
Tue 2/1217:40LCY - STL
2 stops29h 23mMultiple Airlines
Sun 22/215:15STL - LCY
2 stops15h 40mMultiple Airlines
Deal found 11/11£841
Thu 11/1207:45LCY - STL
2 stops16h 11mVirgin Atlantic
Thu 18/1217:12STL - LCY
2 stops18h 08mVirgin Atlantic
Deal found 13/11£910
Mon 24/1110:45LCY - STL
2 stops37h 09mBritish Airways
Mon 1/1210:49STL - LCY
2 stops21h 46mBritish Airways
Deal found 12/11£968
Mon 15/1208:40LCY - STL
2 stops18h 07mDelta
Mon 5/112:00STL - LCY
2 stops13h 15mDelta
Deal found 13/11£995
Tue 18/1109:10LCY - STL
2 stops17h 50mAer Lingus
Wed 31/1209:18STL - LCY
2 stops19h 42mAer Lingus
Deal found 12/11£1,033
Fri 26/1209:55LCY - STL
2 stops18h 00mMultiple Airlines
Thu 8/111:20STL - LCY
2 stops19h 35mMultiple Airlines
Deal found 12/11£1,051

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 14 November 2025.
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

Wed 28/1

07:50-22:59

2 stops21h 09m

Lambert-St Louis

Wed 25/2

14:00-14:05

2 stops18h 05m

£575

LondonSt. Louis

LCY - STL

LCYSTL

London City

Thu 26/2

07:50-19:30

2 stops17h 40m

Lambert-St Louis

Sun 8/3

14:36-08:50

2 stops37h 14m

£605

LondonSt. Louis

LCY - STL

LCYSTL

London City

Tue 9/12

18:55-20:38

2 stops31h 43m

Lambert-St Louis

Tue 16/12

10:56-16:25

2 stops23h 29m

£616

LondonSt. Louis

LCY - STL

LCYSTL

London City

Wed 6/5

07:45-20:31

2 stops18h 46m

Lambert-St Louis

Sun 10/5

16:27-08:50

2 stops34h 23m

£618

LondonSt. Louis

LCY - STL

LCYSTL

London City

Fri 6/2

07:50-18:34

2 stops16h 44m

Lambert-St Louis

Sat 14/2

18:50-14:35

2 stops37h 45m

£633

LondonSt. Louis

LCY - STL

LCYSTL

London City

Tue 27/1

07:15-22:44

2 stops21h 29m

Lambert-St Louis

Tue 17/2

14:06-20:45

2 stops24h 39m

£763

LondonSt. Louis

LCY - STL

LCYSTL

London City

Wed 10/12

07:15-20:38

2 stops19h 23m

Lambert-St Louis

Wed 17/12

10:56-16:25

2 stops23h 29m

£807

LondonSt. Louis

LCY - STL

LCYSTL

London City

Wed 10/12

19:15-23:38

2 stops34h 23m

Lambert-St Louis

Wed 17/12

13:43-12:40

2 stops16h 57m

£820

LondonSt. Louis

LCY - STL

LCYSTL

London City

Fri 16/1

07:50-18:34

2 stops16h 44m

£400

LondonSt. Louis

LCY - STL

LCYSTL

London City

Fri 13/3

07:50-14:32

2 stops35h 42m

£423

Flights are sorted by cheapest return flights first.

Deals found on 13/11

Showing 1-10 of 19 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 46m. British Airways provides one of the quickest options available for as low as £618. 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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