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Cologne

$557+ Cheap flights from St. Louis (STL) to Cologne (CGN)

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 1/26. Fares are subject to change and may not be available on all flights or dates of travel.
STL — CGN
Jan 13 — Jan 201
Tue 1/13
Tue 1/20
1 adult, Economy
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Cheap flight deals from St. Louis to Cologne

Best flights from St. Louis to Cologne
Discover carefully curated flight deals from St. Louis to Cologne that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 14, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 12/12. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/266:40 pmSTL - CGN
2 stops17h 15mLufthansa
Thu 2/51:35 pmCGN - STL
2 stops16h 23mLufthansa
Deal found 12/12$557
This oojo deal was found by Cheapflights users on 12/12. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/56:00 amSTL - CGN
2 stops26h 40mBritish Airways
Mon 3/165:15 pmCGN - STL
2 stops36h 37mBritish Airways
Deal found 12/12$571
This United Airlines deal was found by Cheapflights users on 12/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/306:40 pmSTL - CGN
2 stops15h 30mUnited Airlines
Tue 2/36:45 amCGN - STL
2 stops19h 42mUnited Airlines
Deal found 12/11$884
This Air Canada deal was found by Cheapflights users on 12/12. 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.
Thu 3/54:05 pmSTL - CGN
2 stops17h 15mAir Canada
Mon 3/168:40 amCGN - STL
3 stops18h 27mAir Canada
Deal found 12/12$896
This Cheapflightsfares deal was found by Cheapflights users on 12/12. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/241:11 pmSTL - CGN
2 stops16h 24mLufthansa
Sun 3/11:15 pmCGN - STL
2 stops16h 44mLufthansa
Deal found 12/12$557

Find flight deals from St. Louis to Cologne

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Cologne (CGN). 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 December 14, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$557
(Cheapflightsfares)
Provider with most accurate pricing for Lambert-St Louis-Cologne Köln/Bonn flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lambert-St Louis-Cologne Köln/Bonn flights.
Search Deals
From Lambert-St Louis to Cologne Köln/Bonn
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Cheapflights Fare Finder

 
Customize your flight search to find flights from St. Louis to Cologne 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 December 14, 2025.
Use the filters below to find and compare flights from St. Louis to Cologne that are best for you.

Fly from

St. Louis

Fly to

Cologne

Route

Depart

Return

Price

St. LouisCologne

STL - CGN

STLCGN

Lambert-St Louis

Mon 1/26

6:40 pm-6:55 pm

2 stops17h 15m

Cologne Köln/Bonn

Thu 2/5

1:35 pm-10:58 pm

2 stops16h 23m

$557

St. LouisCologne

STL - CGN

STLCGN

Lambert-St Louis

Tue 2/24

1:11 pm-12:35 pm

2 stops16h 24m

Cologne Köln/Bonn

Sun 3/1

1:15 pm-10:59 pm

2 stops16h 44m

$557

St. LouisCologne

STL - CGN

STLCGN

Lambert-St Louis

Thu 3/5

6:00 am-3:40 pm

2 stops26h 40m

Cologne Köln/Bonn

Mon 3/16

5:15 pm-11:52 pm

2 stops36h 37m

$571

St. LouisCologne

STL - CGN

STLCGN

Lambert-St Louis

Fri 1/30

6:40 pm-5:10 pm

2 stops15h 30m

Cologne Köln/Bonn

Tue 2/3

6:45 am-7:27 pm

2 stops19h 42m

$884

St. LouisCologne

STL - CGN

STLCGN

Lambert-St Louis

Thu 3/5

4:05 pm-4:20 pm

2 stops17h 15m

Cologne Köln/Bonn

Mon 3/16

8:40 am-9:07 pm

3 stops18h 27m

$896

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/12

Compare providers for flights from St. Louis to Cologne

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis to Cologne in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
AranGrantPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on St. Louis-Cologne flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on St. Louis-Cologne flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from St. Louis-Cologne flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on St. Louis-Cologne flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Louis-Cologne flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

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

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

Currently, October is the cheapest month in which you can book a flight from St. Louis to Cologne (average of $650). Flying from St. Louis to Cologne in April is currently the most expensive (average of $883). 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 St. Louis to Cologne. 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 St. Louis to Cologne?

    A quick flight from St. Louis to Cologne can take about 17h 15m. Lufthansa provides one of the quickest options available for as low as $557. The distance between St. Louis and Cologne is about 4494 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

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

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

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

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

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

    Currently, October is the cheapest month in which you can book a flight from St. Louis to Cologne (average of $650). Flying from St. Louis to Cologne in April is currently the most expensive (average of $883). 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.

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