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Cheap flights from London City Airport to St. Louis from £399

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 6/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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.
British Airways Logo
13:35 - 23:38
LCY
-
STL
40h 03m
2 stops
British Airways Logo
16:29 - 09:00
STL
-
LCY
34h 31m
2 stops
£684British Airways
Thu, 10 Sep - Mon, 14 Sep
British Airways Logo
15:30 - 23:38
LCY
-
STL
38h 08m
2 stops
British Airways Logo
07:44 - 09:00
STL
-
LCY
43h 16m
2 stops
£686British Airways
Thu, 10 Sep - Mon, 14 Sep
British Airways Logo
10:50 - 23:38
LCY
-
STL
42h 48m
2 stops
British Airways Logo
07:44 - 09:00
STL
-
LCY
43h 16m
2 stops
£686British Airways
Thu, 10 Sep - Mon, 14 Sep
British Airways Logo
19:15 - 19:30
LCY
-
STL
30h 15m
2 stops
British Airways Logo
12:59 - 15:15
STL
-
LCY
20h 16m
2 stops
£689British Airways
Tue, 5 May - Tue, 12 May
Delta Logo
08:25 - 20:44
LCY
-
STL
18h 19m
2 stops
Delta Logo
10:19 - 07:55
STL
-
LCY
15h 36m
2 stops
£709Delta
Tue, 14 Apr - Thu, 14 May
British Airways Logo
20:25 - 19:31
LCY
-
STL
29h 06m
2 stops
British Airways Logo
09:34 - 11:30
STL
-
LCY
19h 56m
2 stops
£718British Airways
Mon, 4 May - Mon, 18 May
Delta Logo
10:00 - 21:19
LCY
-
STL
17h 19m
2 stops
Delta Logo
10:20 - 07:55
STL
-
LCY
15h 35m
2 stops
£769Delta
Tue, 14 Apr - Tue, 16 Jun
Delta Logo
10:00 - 21:09
LCY
-
STL
17h 09m
2 stops
Delta Logo
13:27 - 08:50
STL
-
LCY
13h 23m
2 stops
£783Delta
Tue, 26 May - Tue, 2 Jun
Multiple Airlines Logo
09:45 - 23:57
LCY
-
STL
20h 12m
2 stops
Multiple Airlines Logo
12:27 - 15:15
STL
-
LCY
20h 48m
2 stops
£795Multiple Airlines
Mon, 4 May - Mon, 11 May
Delta Logo
10:00 - 21:19
LCY
-
STL
17h 19m
2 stops
Delta Logo
10:19 - 07:55
STL
-
LCY
15h 36m
2 stops
£800Delta
Wed, 15 Apr - Sun, 31 May

Delta flights from London City Airport to St. Louis

Our best Delta deals on London City Airport to St. Louis flight tickets
Delta
14 Apr
LCY08:25London City
18h 19m
2 stops
STL20:44Lambert-St Louis
14 May
STL10:19Lambert-St Louis
15h 36m
2 stops
LCY07:55London City
£709
Delta
14 Apr
LCY10:00London City
17h 19m
2 stops
STL21:19Lambert-St Louis
16 Jun
STL10:20Lambert-St Louis
15h 35m
2 stops
LCY07:55London City
£769
Delta
26 May
LCY10:00London City
17h 09m
2 stops
STL21:09Lambert-St Louis
2 Jun
STL13:27Lambert-St Louis
13h 23m
2 stops
LCY08:50London City
£783

British Airways flights from London City Airport to St. Louis

Our best British Airways deals on London City Airport to St. Louis flight tickets
British Airways
10 Sept
LCY13:35London City
40h 03m
2 stops
STL23:38Lambert-St Louis
14 Sept
STL16:29Lambert-St Louis
34h 31m
2 stops
LCY09:00London City
£684
British Airways
10 Sept
LCY15:30London City
38h 08m
2 stops
STL23:38Lambert-St Louis
14 Sept
STL07:44Lambert-St Louis
43h 16m
2 stops
LCY09:00London City
£686
British Airways
10 Sept
LCY10:50London City
42h 48m
2 stops
STL23:38Lambert-St Louis
14 Sept
STL07:44Lambert-St Louis
43h 16m
2 stops
LCY09:00London City
£686

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 26 March 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

Thu 10/9

13:35-23:38

2 stops40h 03m

Lambert-St Louis

Mon 14/9

16:29-09:00

2 stops34h 31m

£684

LondonSt. Louis

LCY - STL

LCYSTL

London City

Thu 10/9

15:30-23:38

2 stops38h 08m

Lambert-St Louis

Mon 14/9

07:44-09:00

2 stops43h 16m

£686

LondonSt. Louis

LCY - STL

LCYSTL

London City

Thu 10/9

10:50-23:38

2 stops42h 48m

Lambert-St Louis

Mon 14/9

07:44-09:00

2 stops43h 16m

£686

LondonSt. Louis

LCY - STL

LCYSTL

London City

Tue 5/5

19:15-19:30

2 stops30h 15m

Lambert-St Louis

Tue 12/5

12:59-15:15

2 stops20h 16m

£689

LondonSt. Louis

LCY - STL

LCYSTL

London City

Tue 14/4

08:25-20:44

2 stops18h 19m

Lambert-St Louis

Thu 14/5

10:19-07:55

2 stops15h 36m

£709

LondonSt. Louis

LCY - STL

LCYSTL

London City

Mon 4/5

20:25-19:31

2 stops29h 06m

Lambert-St Louis

Mon 18/5

09:34-11:30

2 stops19h 56m

£718

LondonSt. Louis

LCY - STL

LCYSTL

London City

Tue 14/4

10:00-21:19

2 stops17h 19m

Lambert-St Louis

Tue 16/6

10:20-07:55

2 stops15h 35m

£769
Fastest return journey

LondonSt. Louis

LCY - STL

LCYSTL

London City

Tue 26/5

10:00-21:09

2 stops17h 09m

Lambert-St Louis

Tue 2/6

13:27-08:50

2 stops13h 23m

£783

LondonSt. Louis

LCY - STL

LCYSTL

London City

Mon 4/5

09:45-23:57

2 stops20h 12m

Lambert-St Louis

Mon 11/5

12:27-15:15

2 stops20h 48m

£795

LondonSt. Louis

LCY - STL

LCYSTL

London City

Wed 15/4

10:00-21:19

2 stops17h 19m

Lambert-St Louis

Sun 31/5

10:19-07:55

2 stops15h 36m

£800

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 £596. Flights from London City Airport to St. Louis on a Tuesday will generally be more expensive and average around £706. 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

17h 19m

Direct flights

None
The fastest flight from London City Airport to St. Louis takes 17h 19m
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

  • 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 17h 19m.

  • 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
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

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