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$584+ 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 2/19. Fares are subject to change and may not be available on all flights or dates of travel.
CGN — STL
oct. 11 — oct. 181
sáb. 10/11
sáb. 10/18
1 adult, Economy
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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 septiembre 11, 2025.

Round-trip from

$584
(British Airways)
From Cologne Köln/Bonn to Lambert-St Louis
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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 septiembre 11, 2025.

This Priceline deal was found by Cheapflights users on 9/10. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/86:05 amCGN - STL
2 stops44h 52mAir Canada
mié. 10/151:30 pmSTL - CGN
2 stops19h 20mAir Canada
Deal found 9/10$714
This United Airlines deal was found by Cheapflights users on 9/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/186:05 amCGN - STL
2 stops24h 48mUnited Airlines
sáb. 7/183:15 pmSTL - CGN
2 stops17h 35mUnited Airlines
Deal found 9/9$756
This United Airlines deal was found by Cheapflights users on 9/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/246:05 amCGN - STL
2 stops21h 41mUnited Airlines
vie. 10/314:43 pmSTL - CGN
2 stops18h 27mUnited Airlines
Deal found 9/9$776
This Mytrip deal was found by Cheapflights users on 9/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/88:25 pmCGN - STL
3 stops30h 32mMultiple Airlines
mié. 10/151:30 pmSTL - CGN
2 stops20h 55mMultiple Airlines
Deal found 9/10$1,218
This Mytrip deal was found by Cheapflights users on 9/9. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/186:30 pmCGN - STL
3 stops27h 48mMultiple Airlines
sáb. 7/181:30 pmSTL - CGN
2 stops20h 35mMultiple Airlines
Deal found 9/9$2,914
This Billigflug deal was found by Cheapflights users on 9/11. 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 Billigflug is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 9/1310:20 amCGN - STL
2 stops17h 12mMultiple Airlines
mar. 9/165:25 pmSTL - CGN
2 stops20h 55mMultiple Airlines
Deal found 9/11$5,710

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 septiembre 11, 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

jue. 2/19

5:05 pm-4:06 pm

2 stops30h 01m

Lambert-St Louis

lun. 2/23

4:44 pm-4:10 pm

2 stops16h 26m

$584

CologneSt. Louis

CGN - STL

CGNSTL

Cologne Köln/Bonn

mié. 10/8

6:05 am-7:57 pm

2 stops44h 52m

Lambert-St Louis

mié. 10/15

1:30 pm-3:50 pm

2 stops19h 20m

$714

CologneSt. Louis

CGN - STL

CGNSTL

Cologne Köln/Bonn

vie. 10/24

6:05 am-8:46 pm

2 stops21h 41m

Lambert-St Louis

vie. 10/31

4:43 pm-5:10 pm

2 stops18h 27m

$776

CologneSt. Louis

CGN - STL

CGNSTL

Cologne Köln/Bonn

mié. 10/8

8:25 pm-7:57 pm

3 stops30h 32m

Lambert-St Louis

mié. 10/15

1:30 pm-5:25 pm

2 stops20h 55m

$1,218

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

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, August is the cheapest month in which you can book a flight from Cologne to St. Louis (average of $311). Flying from Cologne to St. Louis in March is currently the most expensive (average of $356). 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 21h 41m. The distance between Cologne and St. Louis is about 4494 mi. This flight may include one or multiple stops.

  • 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, August is the cheapest month in which you can book a flight from Cologne to St. Louis (average of $311). Flying from Cologne to St. Louis in March is currently the most expensive (average of $356). 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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