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St. Louis

$615+ Cheap flights from Cologne (CGN) to St. Louis (STL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/24. Fares are subject to change and may not be available on all flights or dates of travel.
CGN — STL
Aug 2 — Aug 91
Sat 8/2
Sat 8/9
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 July 28, 2025.

Round-trip from

$618
(American Airlines)

One-way from

$615
(Kiwi.com)
From Cologne Köln/Bonn to Lambert-St Louis
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One-way flight from Cologne Köln/Bonn to Lambert-St Louis
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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 July 28, 2025.

This American Airlines deal was found by Cheapflights users on 7/25. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2510:15 amCGN - STL
2 stops20h 33mAmerican Airlines
Mon 9/2912:28 pmSTL - CGN
2 stops18h 52mAmerican Airlines
Deal found 7/25$618
This Expedia deal was found by Cheapflights users on 7/27. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2510:15 amCGN - STL
2 stops20h 33mBritish Airways
Mon 9/291:03 pmSTL - CGN
2 stops18h 17mBritish Airways
Deal found 7/27$620
This Booking.com deal was found by Cheapflights users on 7/27. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/116:20 amCGN - STL
2 stops20h 40mAir Canada
Fri 8/151:30 pmSTL - CGN
2 stops19h 20mAir Canada
Deal found 7/27$1,371
This Mytrip deal was found by Cheapflights users on 7/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/117:00 amCGN - STL
3 stops20h 00mMultiple Airlines
Fri 8/153:30 pmSTL - CGN
3 stops33h 25mMultiple Airlines
Deal found 7/27$2,241

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 July 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

Thu 9/25

10:15 am-11:48 pm

2 stops20h 33m

Lambert-St Louis

Mon 9/29

12:28 pm-2:20 pm

2 stops18h 52m

$618

CologneSt. Louis

CGN - STL

CGNSTL

Cologne Köln/Bonn

Thu 9/25

10:15 am-11:48 pm

2 stops20h 33m

Lambert-St Louis

Mon 9/29

1:03 pm-2:20 pm

2 stops18h 17m

$620

CologneSt. Louis

CGN - STL

CGNSTL

Cologne Köln/Bonn

Mon 8/11

6:20 am-8:00 pm

2 stops20h 40m

Lambert-St Louis

Fri 8/15

1:30 pm-3:50 pm

2 stops19h 20m

$1,371

CologneSt. Louis

CGN - STL

CGNSTL

Cologne Köln/Bonn

Mon 8/11

7:00 am-8:00 pm

3 stops20h 00m

Lambert-St Louis

Fri 8/15

3:30 pm-7:55 am

3 stops33h 25m

$2,241

CologneSt. Louis

CGN - STL

CGNSTL

Cologne Köln/Bonn

Sun 8/24

9:55 pm-5:34 pm

3 stops50h 39m

$615

CologneSt. Louis

CGN - STL

CGNSTL

Cologne Köln/Bonn

Sun 8/24

10:15 am-8:18 pm

2 stops17h 03m

$885

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

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.

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to St. Louis. Reviews last updated July 28, 2025.
Get a feel of what it's like to fly with American Airlines, Air Canada, and British Airways from Cologne to St. Louis by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.2
Good
10,000 reviews

Boarding

7.5

Crew

8.0

Entertainment

6.9

Overall

7.2

Food

6.5

Comfort

7.2

Reviews

1 / 20
2.0
Mediocre

Andrew,May 2025

LAX - MIA

2 hour delay. Discovered an engine problem late, we boarded the plane and they asked us to come off. To add insult to injury nothing was given to passengers to make amends. No free drink. No extra food or snacks. No free WiFi. Gimme a break
American Airlines
7.2
Good
10,000 reviews
American Airlines
7.2
Good
10,000 reviews

Boarding

7.5

Crew

8.0

Entertainment

6.9

Overall

7.2

Food

6.5

Comfort

7.2

Reviews

1 / 20
2.0
Mediocre

Andrew,May 2025

LAX - MIA

2 hour delay. Discovered an engine problem late, we boarded the plane and they asked us to come off. To add insult to injury nothing was given to passengers to make amends. No free drink. No extra food or snacks. No free WiFi. Gimme a break
Air Canada
7.1
Good
9,813 reviews
American Airlines
7.2
Good
10,000 reviews

Boarding

7.5

Crew

8.0

Entertainment

6.9

Overall

7.2

Food

6.5

Comfort

7.2

Reviews

1 / 20
2.0
Mediocre

Andrew,May 2025

LAX - MIA

2 hour delay. Discovered an engine problem late, we boarded the plane and they asked us to come off. To add insult to injury nothing was given to passengers to make amends. No free drink. No extra food or snacks. No free WiFi. Gimme a break
British Airways
6.6
Okay
7,204 reviews
American Airlines
7.2
Good
10,000 reviews

Boarding

7.5

Crew

8.0

Entertainment

6.9

Overall

7.2

Food

6.5

Comfort

7.2

Reviews

1 / 20
2.0
Mediocre

Andrew,May 2025

LAX - MIA

2 hour delay. Discovered an engine problem late, we boarded the plane and they asked us to come off. To add insult to injury nothing was given to passengers to make amends. No free drink. No extra food or snacks. No free WiFi. Gimme a break

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.

  • 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
O'Fallon
Maryland Heights
Fairview Heights
Collinsville
Eureka
St. Peters
Glencoe
Alton
Festus
Chesterfield
Farmington

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