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Cheap flights from London City Airport to St. Louis from £437

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London City Airport to St. Louis departing on 2/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
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Find the cheapest flights from London City Airport to St. Louis

Cheap return flights

Enter your travel dates to find the best prices.
Delta Logo
10:00 - 20:50
LCY
-
STL
16h 50m
2 stops
Delta Logo
15:42 - 11:40
STL
-
LCY
13h 58m
2 stops
£710Delta
Mon, 7 Sep - Fri, 11 Sep
Delta Logo
10:00 - 20:39
LCY
-
STL
16h 39m
2 stops
Delta Logo
10:20 - 07:55
STL
-
LCY
15h 35m
2 stops
£797Delta
Tue, 16 Jun - Tue, 23 Jun
Delta Logo
10:00 - 20:39
LCY
-
STL
16h 39m
2 stops
Delta Logo
10:20 - 07:55
STL
-
LCY
15h 35m
2 stops
£800Delta
Tue, 16 Jun - Tue, 23 Jun
Delta Logo
09:20 - 20:39
LCY
-
STL
17h 19m
2 stops
Delta Logo
10:20 - 07:55
STL
-
LCY
15h 35m
2 stops
£801Delta
Tue, 16 Jun - Tue, 23 Jun
Delta Logo
10:00 - 22:04
LCY
-
STL
18h 04m
2 stops
Delta Logo
11:18 - 07:15
STL
-
LCY
13h 57m
2 stops
£831Delta
Sat, 27 Jun - Mon, 6 Jul
Delta Logo
08:25 - 20:39
LCY
-
STL
18h 14m
2 stops
Delta Logo
10:20 - 07:55
STL
-
LCY
15h 35m
2 stops
£834Delta
Mon, 8 Jun - Mon, 22 Jun
Aer Lingus Logo
13:45 - 23:20
LCY
-
STL
15h 35m
2 stops
Aer Lingus Logo
06:20 - 10:20
STL
-
LCY
22h 00m
2 stops
£840Aer Lingus
Thu, 24 Sep - Wed, 30 Sep
Aer Lingus Logo
09:10 - 23:20
LCY
-
STL
20h 10m
2 stops
Aer Lingus Logo
07:44 - 08:35
STL
-
LCY
18h 51m
2 stops
£875Aer Lingus
Wed, 23 Sep - Tue, 29 Sep
Multiple Airlines Logo
19:15 - 23:59
LCY
-
STL
34h 44m
2 stops
Multiple Airlines Logo
13:45 - 21:35
STL
-
LCY
25h 50m
2 stops
£931Multiple Airlines
Tue, 9 Jun - Tue, 16 Jun
Delta Logo
10:00 - 22:04
LCY
-
STL
18h 04m
2 stops
Delta Logo
11:18 - 07:15
STL
-
LCY
13h 57m
2 stops
£933Delta
Sat, 27 Jun - Mon, 6 Jul

Delta flights from London City Airport to St. Louis

Our best Delta deals on London City Airport to St. Louis flight tickets
Delta
7 Sept
LCY10:00London City
16h 50m
2 stops
STL20:50Lambert-St Louis
11 Sept
STL15:42Lambert-St Louis
13h 58m
2 stops
LCY11:40London City
£710
Delta
16 Jun
LCY10:00London City
16h 39m
2 stops
STL20:39Lambert-St Louis
23 Jun
STL10:20Lambert-St Louis
15h 35m
2 stops
LCY07:55London City
£800
Delta
15 Jun
LCY08:25London City
18h 14m
2 stops
STL20:39Lambert-St Louis
29 Jun
STL11:18Lambert-St Louis
14h 37m
2 stops
LCY07:55London City
£801

Aer Lingus flights from London City Airport to St. Louis

Our best Aer Lingus deals on London City Airport to St. Louis flight tickets
Aer Lingus
24 Sept
LCY13:45London City
15h 35m
2 stops
STL23:20Lambert-St Louis
30 Sept
STL06:20Lambert-St Louis
22h 00m
2 stops
LCY10:20London City
£840
Aer Lingus
23 Sept
LCY09:10London City
20h 10m
2 stops
STL23:20Lambert-St Louis
29 Sept
STL07:44Lambert-St Louis
18h 51m
2 stops
LCY08:35London City
£875
Aer Lingus
9 Jun
LCY09:10London City
20h 49m
2 stops
STL23:59Lambert-St Louis
15 Sept
STL09:46Lambert-St Louis
16h 49m
2 stops
LCY08:35London City
£969

momondo Fare Finder

 
Customise your flight search to find flights from London City Airport 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, momondo users made 279,928 searches. Data last updated 11 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
Fastest return journey

LondonSt. Louis

LCY - STL

LCYSTL

London City

Mon 7/9

10:00-20:50

2 stops16h 50m

Lambert-St Louis

Fri 11/9

15:42-11:40

2 stops13h 58m

£710

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

£797

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

£800

LondonSt. Louis

LCY - STL

LCYSTL

London City

Tue 16/6

09:20-20:39

2 stops17h 19m

Lambert-St Louis

Tue 23/6

10:20-07:55

2 stops15h 35m

£801

LondonSt. Louis

LCY - STL

LCYSTL

London City

Sat 27/6

10:00-22:04

2 stops18h 04m

Lambert-St Louis

Mon 6/7

11:18-07:15

2 stops13h 57m

£831

LondonSt. Louis

LCY - STL

LCYSTL

London City

Mon 8/6

08:25-20:39

2 stops18h 14m

Lambert-St Louis

Mon 22/6

10:20-07:55

2 stops15h 35m

£834

LondonSt. Louis

LCY - STL

LCYSTL

London City

Thu 24/9

13:45-23:20

2 stops15h 35m

Lambert-St Louis

Wed 30/9

06:20-10:20

2 stops22h 00m

£840

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

£875

LondonSt. Louis

LCY - STL

LCYSTL

London City

Tue 9/6

19:15-23:59

2 stops34h 44m

Lambert-St Louis

Tue 16/6

13:45-21:35

2 stops25h 50m

£931

LondonSt. Louis

LCY - STL

LCYSTL

London City

Sat 27/6

10:00-22:04

2 stops18h 04m

Lambert-St Louis

Mon 6/7

11:18-07:15

2 stops13h 57m

£933

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to St. Louis from

How to get the cheapest flight ticket from London City Airport to St. Louis

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to St. Louis?

Our data shows that Saturday is the least expensive day to fly to St. Louis. Tickets to fly out on this day can be as low as £586. Flights from London City Airport to St. Louis on a Sunday will generally be more expensive and average around £751. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

When to book flights from London City Airport to St. Louis

Are you open to changing your travel dates? Check out the ideal times to fly from London City Airport to St. Louis according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap London City Airport to St. Louis (LCY to STL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London City Airport to St. Louis

Fastest flight time

15h 07m

Direct flights

None
The fastest flight from London City Airport to St. Louis takes 15h 07m
There are no direct flights from London City Airport to St. Louis. There are no popular flight routes from London City Airport to St. Louis.
Search flight deals

Frequently asked questions about flying from London City Airport to St. Louis

  • How far is London City to Lambert-St Louis by plane?

    A flight from London City to Lambert-St Louis will travel around 4204.2 mi. A reasonable flight in good conditions will take 15h 07m.

  • When did momondo last update prices for flights from London City Airport to Lambert-St Louis Airport?

    Prices for flights from London City Airport to Lambert-St Louis Airport were last updated today.

  • How old do you have to be to fly from London City Airport to Lambert-St Louis Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London City Airport to Lambert-St Louis Airport.

  • What documentation or ID do you need to fly to Lambert-St Louis Airport?

    The necessary travel and health documents for your Lambert-St Louis Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Travelling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Litchfield
Collinsville

Why use momondo?

Why should I use momondo to find a flight deal from London to St. Louis?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to St. Louis from London.

Can I find flights from London to St. Louis with flexible booking policies on momondo?

momondo does allow users to show only those flights to St. Louis from London which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from London to St. Louis?

Once all potential London to St. Louis flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from London to St. Louis right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to St. Louis from London. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your St. Louis trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
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