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$844+ Cheap flights from Cologne (CGN) to St. Louis (STL)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/10. Fares are subject to change and may not be available on all flights or dates of travel.
CGN — STL
nov. 27 — dic. 41
jue. 11/27
jue. 12/4
1 adult, Economy
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Find flight deals from Cologne to St. Louis

Cheapest flights from Cologne to St. Louis
Explore the most affordable flight options available from Cologne to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on octubre 28, 2025.

This flugladen.de deal was found by Cheapflights users on 10/26. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/107:05 amCGN - STL
2 stops18h 28mMultiple Airlines
mié. 12/172:02 pmSTL - CGN
2 stops24h 48mMultiple Airlines
Deal found 10/26$844
This Air Canada deal was found by Cheapflights users on 10/26. 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.
mié. 12/108:40 amCGN - STL
3 stops20h 00mAir Canada
mié. 12/174:05 pmSTL - CGN
2 stops23h 20mAir Canada
Deal found 10/26$1,439
This lastminute.com deal was found by Cheapflights users on 10/27. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/178:20 pmCGN - STL
2 stops34h 22mMultiple Airlines
jue. 11/2011:34 amSTL - CGN
2 stops15h 26mMultiple Airlines
Deal found 10/27$1,902
This Flysmarter deal was found by Cheapflights users on 10/27. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/176:45 amCGN - STL
2 stops16h 01mAir Canada
jue. 11/208:00 amSTL - CGN
3 stops18h 35mAir Canada
Deal found 10/27$2,181

Cheap flight deals from Cologne to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Cologne (CGN) to St. Louis (STL). 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 octubre 28, 2025.

Round-trip from

$844
(flugladen.de)
From Cologne Köln/Bonn to Lambert-St Louis
Search Deals

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated octubre 28, 2025.
Use the filters below to find and compare flights from Cologne to St. Louis that are best for you.

Fly from

Cologne

Fly to

St. Louis

Route

Depart

Return

Price

CologneSt. Louis

CGN - STL

CGNSTL

Cologne Köln/Bonn

mié. 12/10

7:05 am-6:33 pm

2 stops18h 28m

Lambert-St Louis

mié. 12/17

2:02 pm-9:50 pm

2 stops24h 48m

$844

CologneSt. Louis

CGN - STL

CGNSTL

Cologne Köln/Bonn

mié. 12/10

8:40 am-9:40 pm

3 stops20h 00m

Lambert-St Louis

mié. 12/17

4:05 pm-10:25 pm

2 stops23h 20m

$1,439

CologneSt. Louis

CGN - STL

CGNSTL

Cologne Köln/Bonn

lun. 11/17

8:20 pm-11:42 pm

2 stops34h 22m

Lambert-St Louis

jue. 11/20

11:34 am-10:00 am

2 stops15h 26m

$1,902

CologneSt. Louis

CGN - STL

CGNSTL

Cologne Köln/Bonn

lun. 11/17

6:45 am-3:46 pm

2 stops16h 01m

Lambert-St Louis

jue. 11/20

8:00 am-9:35 am

3 stops18h 35m

$2,181

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/26

Best time to book a flight from Cologne to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Cologne 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.

Cheapflights Insights

Everything you need to know about your flight from Cologne to St. Louis

What is the cheapest month to book a flight from Cologne to St. Louis?

Currently, March is the cheapest month in which you can book a flight from Cologne to St. Louis (average of $527). Flying from Cologne to St. Louis in December is currently the most expensive (average of $621). 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.

Related info for your journey

Find useful and relevant information for your journey from Cologne to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Cologne to St. Louis?

    Departing from Cologne to St. Louis will take you 20h. The distance between Cologne and St. Louis is about 4494 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Cologne to St. Louis 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 Cologne to St. Louis?

    Currently, March is the cheapest month in which you can book a flight from Cologne to St. Louis (average of $527). Flying from Cologne to St. Louis in December is currently the most expensive (average of $621). 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 St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Edwardsville
O'Fallon
Fairview Heights
Maryland Heights
Collinsville
Eureka
Glencoe
St. Peters
Chesterfield
Alton
Farmington
Festus

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