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Cheap flights from Cologne to St. Louis from $874

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Cologne to St. Louis departing on 3/26. 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 Cologne to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
8:40 am - 10:16 pm
CGN
-
STL
19h 36m
2 stops
Multiple Airlines Logo
4:05 pm - 5:40 pm
STL
-
CGN
42h 35m
2 stops
$874Multiple Airlines
Thu, Mar 26 - Thu, Apr 2
Air Canada Logo
8:40 am - 9:15 pm
CGN
-
STL
18h 35m
2 stops
Air Canada Logo
4:05 pm - 5:40 pm
STL
-
CGN
18h 35m
3 stops
$1,051Air Canada
Thu, Mar 26 - Thu, Apr 2
Air Canada Logo
8:40 am - 9:50 pm
CGN
-
STL
19h 10m
3 stops
Air Canada Logo
4:05 pm - 5:40 pm
STL
-
CGN
18h 35m
3 stops
$1,204Air Canada
Thu, Mar 26 - Thu, Apr 2

British Airways flights from Cologne to St. Louis

Our best British Airways deals on Cologne to St. Louis flight tickets
British Airways
Feb 19
CGN5:05 pmCologne Köln/Bonn
48h 56m
2 stops
STL11:01 amLambert-St Louis
Feb 23
STL6:57 pmLambert-St Louis
38h 33m
2 stops
CGN4:30 pmCologne Köln/Bonn
$837
British Airways
Feb 19
CGN5:05 pmCologne Köln/Bonn
36h 53m
2 stops
STL10:58 pmLambert-St Louis
Feb 23
STL1:34 pmLambert-St Louis
19h 36m
2 stops
CGN4:10 pmCologne Köln/Bonn
$895
British Airways
Feb 19
CGN5:05 pmCologne Köln/Bonn
36h 53m
2 stops
STL10:58 pmLambert-St Louis
Feb 23
STL6:57 pmLambert-St Louis
14h 13m
2 stops
CGN4:10 pmCologne Köln/Bonn
$897

Air Canada flights from Cologne to St. Louis

Our best Air Canada deals on Cologne to St. Louis flight tickets
Air Canada
Mar 26
CGN8:40 amCologne Köln/Bonn
18h 35m
2 stops
STL9:15 pmLambert-St Louis
Apr 2
STL4:05 pmLambert-St Louis
18h 35m
3 stops
CGN5:40 pmCologne Köln/Bonn
$1,051
Air Canada
Mar 26
CGN8:40 amCologne Köln/Bonn
19h 10m
3 stops
STL9:50 pmLambert-St Louis
Apr 2
STL4:05 pmLambert-St Louis
18h 35m
3 stops
CGN5:40 pmCologne Köln/Bonn
$1,204

momondo Fare Finder

 
Customize your flight search to find flights from Cologne 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 832,500 searches. Data last updated February 10, 2026.
Use the filters below to find and compare flights from Cologne to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

CologneSt. Louis

CGN - STL

CGNSTL

Cologne Köln/Bonn

Thu 3/26

8:40 am-10:16 pm

2 stops19h 36m

Lambert-St Louis

Thu 4/2

4:05 pm-5:40 pm

2 stops42h 35m

$874

CologneSt. Louis

CGN - STL

CGNSTL

Cologne Köln/Bonn

Thu 3/26

8:40 am-9:15 pm

2 stops18h 35m

Lambert-St Louis

Thu 4/2

4:05 pm-5:40 pm

3 stops18h 35m

$1,051

CologneSt. Louis

CGN - STL

CGNSTL

Cologne Köln/Bonn

Thu 3/26

8:40 am-9:50 pm

3 stops19h 10m

Lambert-St Louis

Thu 4/2

4:05 pm-5:40 pm

3 stops18h 35m

$1,204

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Cologne to St. Louis

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

Cheap Cologne to St. Louis (CGN to STL) flight deals and tips

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

Fastest flight time

19h 36m

Direct flights

None
The fastest flight from Cologne to St. Louis takes 19h 36m
There are no direct flights from Cologne to St. Louis. There are no popular flight routes from Cologne to St. Louis.
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  • How far is Cologne Köln/Bonn to Lambert-St Louis by plane?

    The straight-line distance from Cologne Köln/Bonn to Lambert-St Louis is 4484.3 mi. A reasonable flight in good conditions will take 19h 36m.

  • When did momondo last update prices for flights from Cologne Köln/Bonn Airport to Lambert-St Louis Airport?

    Prices for flights from Cologne Köln/Bonn Airport to Lambert-St Louis Airport were last updated today.

  • How old do you have to be to fly from Cologne Köln/Bonn 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 Cologne Köln/Bonn Airport to Lambert-St Louis Airport.

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

    The travel and health documents required for your trip to Lambert-St Louis Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Lambert-St Louis Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • How do I get Price Alerts for flights from Cologne to St. Louis?

    Price Alerts will notify you by email when the price for flights to St. Louis from Cologne decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

  • How can I save money on flights from Cologne to St. Louis with momondo?

    By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

  • How does momondo find its flight prices?

    We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
St. Charles
Chesterfield
Hermann
Fairview Heights
Maryland Heights
Florissant
O'Fallon
Collinsville
St. Peters
Fenton
Wentzville
Alton
Farmington
Clayton
Edwardsville
Eureka
Festus
Litchfield
Glencoe
Shrewsbury

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Cologne to St. Louis. Millions of users trust and use momondo every year so you are in good hands.

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

All flight searches from Cologne to St. Louis on momondo can be filtered to show those which offer flexible booking policies.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to St. Louis from Cologne.

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

Price alerts on flights to St. Louis from Cologne are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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