STL - CGN

$1,092 Find Cheap Flights from St. Louis to Cologne - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$1,092
Typical prices: $929-$1,491
United Airlines
Thu 4/19Sat 4/21
STL - CGN • 2 stops
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Flight Deals

Cheap Flights from St. Louis to Cologne (STL-CGN)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from St. Louis to Cologne

Mon, Apr 19 - Wed, Apr 21
United Airlines Logo
1:00 pm - 12:25 pmSTL  Lambert-St Louis-CGN Cologne Köln/Bonn
16h 25m2 stops Washington, D.C. Dulles Intl Munich Franz Josef Strauss
United Airlines Logo
6:20 am - 6:09 pmCGN  Cologne Köln/Bonn-STL Lambert-St Louis
18h 49m2 stops Zurich Chicago O'Hare Intl
$1,092United Airlines
Mon, Apr 19 - Wed, Apr 21
United Airlines Logo
3:15 pm - 5:25 pmSTL  Lambert-St Louis-CGN Cologne Köln/Bonn
19h 10m2 stops Chicago O'Hare Intl Munich Franz Josef Strauss
United Airlines Logo
6:20 am - 7:25 pmCGN  Cologne Köln/Bonn-STL Lambert-St Louis
20h 05m2 stops Zurich Chicago O'Hare Intl
$1,101United Airlines
Mon, Apr 19 - Wed, Apr 21
United Airlines Logo
6:45 pm - 5:25 pmSTL  Lambert-St Louis-CGN Cologne Köln/Bonn
15h 40m2 stops Chicago O'Hare Intl Munich Franz Josef Strauss
United Airlines Logo
6:20 am - 4:40 pmCGN  Cologne Köln/Bonn-STL Lambert-St Louis
17h 20m2 stops Zurich Newark
$1,102United Airlines
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Price, demand and travel trends for St. Louis to Cologne flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from St. Louis to Cologne?

Round-trip flights from St. Louis to Cologne typically range from $929 to $1,491. The lowest price found in the past 5 days was $1,092, on United Airlines.

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Key details for St. Louis to Cologne flights

Cheapest flight

$1,092
Round-trip flight from St. Louis to Cologne

When to book flights from St. Louis to Cologne

Are your dates flexible? Find out the best times to travel from St. Louis to Cologne based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your St. Louis to Cologne flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • Do I need a passport to fly from St. Louis to Cologne?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • What car rental options are available at Cologne Köln/Bonn Airport (CGN)?

    Cologne Köln/Bonn Airport (CGN) hosts 5 major car rental companies, with daily rates averaging $48 for economy cars. Top options include:

    • Flex To Go
    • Wheego
    • Alamo
    • Enterprise Rent-A-Car
    • Avis

  • Which airports can I use when flying from St. Louis to Cologne?

    Flights from St. Louis to Cologne usually depart from Lambert-St Louis (STL) and arrive at Cologne Köln/Bonn (CGN).

  • Can I save money by using flexible dates for flights from St. Louis to Cologne?

    Yes. Flexible dates can save you up to 58% on flights from St. Louis to Cologne. Wednesday is the cheapest departure day at $627 round-trip on average, while Thursday is the most expensive at $1,491, a difference of $864.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What is the time difference between St. Louis and Cologne?

    Cologne is 6 hours ahead of St. Louis (Central European Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Cologne?

    Some of the most popular sights in Cologne are Lanxess Arena, Alter Markt and Cologne Messe. These are among the most viewed places in Cologne on KAYAK.

Your guide to booking St. Louis to Cologne flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Wednesday departure and avoid flying on Thursday. On this route, Wednesday flights average $627, about $864 less than Thursday fares (58% savings) based on the last 12 months.
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Cologne Köln/Bonn Airport.

    • Leonardo Hotel Köln Bonn Airport
    • Hotel Am Flughafen
    • &repeat Köln Airport

More options for your flight from St. Louis to Cologne

Complete your trip to Cologne with a hotel stay or car rental

Car rentals in Cologne
Hotels in Cologne
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