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$453+ Cheap flights from St. Louis (STL) to London City (LCY)

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 10/11. Fares are subject to change and may not be available on all flights or dates of travel.
STL — LCY
Oct 25 — Nov 11
Sat 10/25
Sat 11/1
1 adult, Economy
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Cheap flight deals from St. Louis to London City

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to London City (LCY). 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 September 25, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$775
(Air Canada)

One-way from

$453
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$814
Provider with most accurate pricing for Lambert-St Louis-London City flight deals.
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Provider most trusted by Cheapflights users for Lambert-St Louis-London City flights.
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From Lambert-St Louis to London City
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One-way flight from Lambert-St Louis to London City
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Highest demand for flights based on searches. 21% potential increase in price ($252 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($38 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from St. Louis to London City

Cheapest flights from St. Louis to London City
Explore the most affordable flight options available from St. Louis to London City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 25, 2025.

This Air Canada deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/174:05 pmSTL - LCY
2 stops14h 45mMultiple Airlines
Thu 11/279:15 amLCY - STL
2 stops36h 14mMultiple Airlines
Deal found 9/24$775
This United Airlines deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/291:10 pmSTL - LCY
2 stops18h 40mMultiple Airlines
Mon 11/107:10 pmLCY - STL
2 stops26h 37mMultiple Airlines
Deal found 9/24$777
This Air Canada deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/294:05 pmSTL - LCY
2 stops15h 45mMultiple Airlines
Wed 11/129:50 amLCY - STL
2 stops35h 39mMultiple Airlines
Deal found 9/25$783
This United Airlines deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2211:10 amSTL - LCY
2 stops15h 00mMultiple Airlines
Fri 10/319:55 amLCY - STL
2 stops29h 12mMultiple Airlines
Deal found 9/23$790
This United Airlines deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2212:25 pmSTL - LCY
2 stops18h 05mMultiple Airlines
Wed 10/296:10 pmLCY - STL
2 stops26h 36mMultiple Airlines
Deal found 9/24$803
This Cheapflightsfares deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/23:50 pmSTL - LCY
1 stop18h 50mLufthansa
Tue 11/119:50 amLCY - STL
2 stops19h 54mLufthansa
Deal found 9/24$822
This United Airlines deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/78:25 amSTL - LCY
2 stops21h 15mMultiple Airlines
Fri 11/149:55 amLCY - STL
2 stops18h 32mMultiple Airlines
Deal found 9/23$833
This United Airlines deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2311:10 amSTL - LCY
2 stops15h 10mMultiple Airlines
Thu 10/307:10 pmLCY - STL
2 stops29h 06mMultiple Airlines
Deal found 9/24$834
This United Airlines deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/411:49 amSTL - LCY
2 stops19h 01mMultiple Airlines
Sat 11/1512:20 pmLCY - STL
2 stops36h 56mMultiple Airlines
Deal found 9/24$852
This United Airlines deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/31:00 pmSTL - LCY
2 stops17h 50mMultiple Airlines
Mon 12/85:15 pmLCY - STL
2 stops28h 25mMultiple Airlines
Deal found 9/24$866
This Delta deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/301:30 pmSTL - LCY
2 stops13h 40mDelta
Mon 11/38:40 amLCY - STL
2 stops20h 27mDelta
Deal found 9/25$894

Cheapflights Fare Finder

 
Customize your flight search to find flights from St. Louis to London City 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 2,558,603 searches. Data last updated September 25, 2025.
Use the filters below to find and compare flights from St. Louis to London City Airport that are best for you.

Fly from

St. Louis

Fly to

London City

Route

Depart

Return

Price

St. LouisLondon

STL - LCY

STLLCY

Lambert-St Louis

Wed 10/29

1:10 pm-12:50 pm

2 stops18h 40m

London City

Mon 11/10

7:10 pm-3:47 pm

2 stops26h 37m

$777

St. LouisLondon

STL - LCY

STLLCY

Lambert-St Louis

Wed 10/29

4:05 pm-12:50 pm

2 stops15h 45m

London City

Wed 11/12

9:50 am-3:29 pm

2 stops35h 39m

$783

St. LouisLondon

STL - LCY

STLLCY

Lambert-St Louis

Wed 10/22

11:10 am-8:10 am

2 stops15h 00m

London City

Fri 10/31

9:55 am-10:07 am

2 stops29h 12m

$790

St. LouisLondon

STL - LCY

STLLCY

Lambert-St Louis

Wed 10/22

12:25 pm-12:30 pm

2 stops18h 05m

London City

Wed 10/29

6:10 pm-3:46 pm

2 stops26h 36m

$803

St. LouisLondon

STL - LCY

STLLCY

Lambert-St Louis

Thu 11/27

1:10 pm-4:40 pm

2 stops21h 30m

London City

Tue 12/2

7:10 pm-3:40 pm

2 stops26h 30m

$833

St. LouisLondon

STL - LCY

STLLCY

Lambert-St Louis

Fri 11/7

8:25 am-11:40 am

2 stops21h 15m

London City

Fri 11/14

9:55 am-10:27 pm

2 stops18h 32m

$833

St. LouisLondon

STL - LCY

STLLCY

Lambert-St Louis

Sat 10/25

4:05 pm-1:40 pm

2 stops15h 35m

London City

Fri 11/7

9:55 am-3:29 pm

2 stops35h 34m

$834

St. LouisLondon

STL - LCY

STLLCY

Lambert-St Louis

Thu 10/23

11:10 am-8:20 am

2 stops15h 10m

London City

Thu 10/30

7:10 pm-7:16 pm

2 stops29h 06m

$834

St. LouisLondon

STL - LCY

STLLCY

Lambert-St Louis

Tue 11/4

11:49 am-12:50 pm

2 stops19h 01m

London City

Sat 11/15

12:20 pm-7:16 pm

2 stops36h 56m

$852

St. LouisLondon

STL - LCY

STLLCY

Lambert-St Louis

Wed 12/3

1:00 pm-12:50 pm

2 stops17h 50m

London City

Mon 12/8

5:15 pm-3:40 pm

2 stops28h 25m

$866

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/24

Showing 1-10 of 23 results
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Compare providers for flights from St. Louis to London City

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis to London City in September.
ProviderPrice AccuracyTrust Score*
AranGrantPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on St. Louis-London City Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-London City Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from St. Louis-London City Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on St. Louis-London City Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Louis-London City Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from St. Louis to London City

Have a flexible travel schedule? Discover the best time to fly to London City from St. Louis with our price prediction graph.
Estimated round-trip 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 London City. 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 City?

    Lambert-St Louis (STL), located 12.7 mi from the city center, is the airport you fly out of when you book flights from St. Louis to London City. 0 airlines have flights from Lambert-St Louis to London City on a regular basis. Booking flights from Lambert-St Louis to London City should not be difficult; the airport handles an average of 0 outbound flights to London City per day.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from St. Louis to London City by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from St. Louis to London City Airport?

    Currently, April is the cheapest month in which you can book a flight from St. Louis to London City Airport (average of $686). Flying from St. Louis to London City Airport in July is currently the most expensive (average of $1,046). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near London City Airport?

Book flights to London City Airport if you plan to visit one of these locations
Hounslow
Hayes
Ilford
Southend-on-Sea
Harrow
Canterbury
Croydon
Eastleigh
Dartford
Dover
Winchester
Orpington
Gatwick
Borehamwood
Aylesbury
Bedford
Wembley
Folkestone
Chichester
Eastbourne

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