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Cheap flights from St. Louis to London from $340

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to London departing on 11/15. 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
1 adult, Economy, 0 bags

Find the cheapest flights from St. Louis to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
4:05 pm - 12:50 pmSTL  Lambert-St Louis-LCY London City
14h 45m2 stops Toronto Pearson Intl Zurich
Multiple Airlines Logo
9:15 am - 3:26 pmLCY  London City-STL Lambert-St Louis
36h 11m2 stops Zurich Toronto Pearson Intl
$963Multiple Airlines
Wed, Jan 27 - Wed, Feb 3
Delta Logo
10:40 am - 7:55 amSTL  Lambert-St Louis-LCY London City
15h 15m2 stops Atlanta Hartsfield-Jackson Amsterdam Schiphol
Delta Logo
9:20 am - 8:35 pmLCY  London City-STL Lambert-St Louis
17h 15m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County
$964Delta
Sun, Sep 13 - Tue, Sep 22
Delta Logo
10:29 am - 7:55 amSTL  Lambert-St Louis-LCY London City
15h 26m2 stops Detroit Metropolitan Wayne County Amsterdam Schiphol
Delta Logo
10:00 am - 8:35 pmLCY  London City-STL Lambert-St Louis
16h 35m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County
$964Delta
Sun, Sep 13 - Tue, Sep 22
Multiple Airlines Logo
4:05 pm - 12:50 pmSTL  Lambert-St Louis-LCY London City
14h 45m2 stops Toronto Pearson Intl Zurich
Multiple Airlines Logo
9:50 am - 3:26 pmLCY  London City-STL Lambert-St Louis
35h 36m2 stops Frankfurt am Main Toronto Pearson Intl
$964Multiple Airlines
Wed, Dec 2 - Wed, Dec 9
Multiple Airlines Logo
4:05 pm - 12:50 pmSTL  Lambert-St Louis-LCY London City
14h 45m2 stops Toronto Pearson Intl Zurich
Multiple Airlines Logo
9:15 am - 3:26 pmLCY  London City-STL Lambert-St Louis
36h 11m2 stops Zurich Toronto Pearson Intl
$964Multiple Airlines
Wed, Jan 27 - Wed, Feb 3
Delta Logo
12:00 pm - 8:50 amSTL  Lambert-St Louis-LCY London City
14h 50m2 stops Atlanta Hartsfield-Jackson Amsterdam Schiphol
Delta Logo
10:00 am - 9:23 pmLCY  London City-STL Lambert-St Louis
17h 23m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson
$965Delta
Sun, Oct 4 - Tue, Oct 13
Multiple Airlines Logo
4:05 pm - 12:50 pmSTL  Lambert-St Louis-LCY London City
14h 45m2 stops Toronto Pearson Intl Zurich
Multiple Airlines Logo
9:50 am - 3:26 pmLCY  London City-STL Lambert-St Louis
35h 36m2 stops Frankfurt am Main Toronto Pearson Intl
$965Multiple Airlines
Sun, Nov 15 - Fri, Nov 27
Lufthansa Logo
1:08 pm - 9:15 amSTL  Lambert-St Louis-LCY London City
15h 07m2 stops Chicago O'Hare Intl Frankfurt am Main
Lufthansa Logo
9:50 am - 11:15 pmLCY  London City-STL Lambert-St Louis
19h 25m2 stops Frankfurt am Main Chicago O'Hare Intl
$966Lufthansa
Tue, Oct 27 - Wed, Nov 4
Delta Logo
12:00 pm - 8:50 amSTL  Lambert-St Louis-LCY London City
14h 50m2 stops Atlanta Hartsfield-Jackson Amsterdam Schiphol
Delta Logo
10:00 am - 9:23 pmLCY  London City-STL Lambert-St Louis
17h 23m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson
$966Delta
Sun, Oct 4 - Tue, Oct 13
Delta Logo
10:33 am - 7:55 amSTL  Lambert-St Louis-LCY London City
15h 22m2 stops Detroit Metropolitan Wayne County Amsterdam Schiphol
Delta Logo
9:20 am - 7:58 pmLCY  London City-STL Lambert-St Louis
16h 38m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson
$966Delta
Wed, Sep 2 - Tue, Sep 8

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Lufthansa flights from St. Louis to London City Airport

Our best Lufthansa deals on St. Louis to London City Airport flight tickets
Lufthansa
Oct 28
STL4:40 pmLambert-St Louis
11h 35m
1 stop
LCY9:15 amLondon City
Nov 9
LCY9:50 amLondon City
19h 25m
2 stops
STL11:15 pmLambert-St Louis
$1,047
Lufthansa
Oct 7
STL12:20 pmLambert-St Louis
23h 35m
2 stops
LCY5:55 pmLondon City
Oct 12
LCY9:15 amLondon City
19h 44m
2 stops
STL10:59 pmLambert-St Louis
$1,050
Lufthansa
Dec 14
STL7:04 pmLambert-St Louis
16h 36m
2 stops
LCY5:40 pmLondon City
Dec 22
LCY6:15 pmLondon City
35h 18m
2 stops
STL11:33 pmLambert-St Louis
$1,051

Delta flights from St. Louis to London City Airport

Our best Delta deals on St. Louis to London City Airport flight tickets
Delta
Sep 13
STL10:40 amLambert-St Louis
15h 15m
2 stops
LCY7:55 amLondon City
Sep 22
LCY9:20 amLondon City
17h 15m
2 stops
STL8:35 pmLambert-St Louis
$964
Delta
Oct 4
STL12:00 pmLambert-St Louis
14h 50m
2 stops
LCY8:50 amLondon City
Oct 13
LCY10:00 amLondon City
17h 23m
2 stops
STL9:23 pmLambert-St Louis
$965
Delta
Sep 2
STL10:33 amLambert-St Louis
15h 22m
2 stops
LCY7:55 amLondon City
Sep 8
LCY9:20 amLondon City
16h 38m
2 stops
STL7:58 pmLambert-St Louis
$966

momondo Fare Finder

 
Customize your flight search to find flights from St. Louis to London City Airport 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 832,500 searches. Data last updated August 6, 2026.
Use the filters below to find and compare flights from St. Louis to London City Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisLondon

STL Lambert-St Louis - LCY London City

STLLCY

Lambert-St Louis

Wed 1/27

4:05 pm-12:50 pm

2 stops14h 45m

London City

Wed 2/3

9:15 am-3:26 pm

2 stops36h 11m

$963

St. LouisLondon

STL Lambert-St Louis - LCY London City

STLLCY

Lambert-St Louis

Sun 9/13

10:40 am-7:55 am

2 stops15h 15m

London City

Tue 9/22

9:20 am-8:35 pm

2 stops17h 15m

$964

St. LouisLondon

STL Lambert-St Louis - LCY London City

STLLCY

Lambert-St Louis

Sun 9/13

10:29 am-7:55 am

2 stops15h 26m

London City

Tue 9/22

10:00 am-8:35 pm

2 stops16h 35m

$964

St. LouisLondon

STL Lambert-St Louis - LCY London City

STLLCY

Lambert-St Louis

Wed 12/2

4:05 pm-12:50 pm

2 stops14h 45m

London City

Wed 12/9

9:50 am-3:26 pm

2 stops35h 36m

$964

St. LouisLondon

STL Lambert-St Louis - LCY London City

STLLCY

Lambert-St Louis

Wed 1/27

4:05 pm-12:50 pm

2 stops14h 45m

London City

Wed 2/3

9:15 am-3:26 pm

2 stops36h 11m

$964

St. LouisLondon

STL Lambert-St Louis - LCY London City

STLLCY

Lambert-St Louis

Sun 10/4

12:00 pm-8:50 am

2 stops14h 50m

London City

Tue 10/13

10:00 am-9:23 pm

2 stops17h 23m

$965

St. LouisLondon

STL Lambert-St Louis - LCY London City

STLLCY

Lambert-St Louis

Sun 11/15

4:05 pm-12:50 pm

2 stops14h 45m

London City

Fri 11/27

9:50 am-3:26 pm

2 stops35h 36m

$965

St. LouisLondon

STL Lambert-St Louis - LCY London City

STLLCY

Lambert-St Louis

Tue 10/27

1:08 pm-9:15 am

2 stops15h 07m

London City

Wed 11/4

9:50 am-11:15 pm

2 stops19h 25m

$966

St. LouisLondon

STL Lambert-St Louis - LCY London City

STLLCY

Lambert-St Louis

Sun 10/4

12:00 pm-8:50 am

2 stops14h 50m

London City

Tue 10/13

10:00 am-9:23 pm

2 stops17h 23m

$966
Quickest round-trip

St. LouisLondon

STL Lambert-St Louis - LCY London City

STLLCY

Lambert-St Louis

Wed 9/2

10:33 am-7:55 am

2 stops15h 22m

London City

Tue 9/8

9:20 am-7:58 pm

2 stops16h 38m

$966

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from St. Louis to London City Airport

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

Can stopping save me money on St. Louis to London City Airport flights?

You could potentially save up to 53% on your flight if you consider stops on a St. Louis to London City Airport flight.

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

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

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

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

Fastest flight time

11h 35m

Direct flights

None
The fastest flight from St. Louis to London City Airport takes 11h 35m
There are no direct flights from St. Louis to London City Airport. There are no popular flight routes from St. Louis to London City Airport.
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Frequently asked questions about flying from St. Louis to London City Airport

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

    A flight from Lambert-St Louis to London City will travel around 4204.2 mi. By plane, this route typically takes 11h 35m.

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

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to London City Airport.

  • What documentation or ID do you need to fly to London City Airport?

    The necessary travel and health documents for your London City 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.

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Hounslow
Gatwick
Milton Keynes
Luton
Hayes
Wembley
Dover
Croydon
Stansted
Kingston upon Thames
Slough
Harrow
Watford
Cobham
Richmond
Uxbridge
Worthing
Romford
Ilford
Dunstable

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from St. Louis to London for you.

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

Flights from St. Louis to London with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search for St. Louis to London flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes momondo offers price alerts on flights to London from St. Louis. 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.

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