57€ Find Cheap Flights from Cologne to Kos – Compare and Save

Among airlines operating Cologne to Kos flights:

• Eurowings: offers free seat selection
• Aegean Airlines: offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

Only Eurowings operates flights between Cologne and Kos.

Flights from Cologne to Kos usually depart from Cologne Köln/Bonn (CGN) and arrive at Kos (KGS).

Here are some options for this route, based on selected ticket types and cabin classes:

• Eurowings: a cabin bag and a checked bag in Economy class
• Freebird Airlines Europe: a cabin bag and a checked bag in Economy class
• Aegean Airlines: a cabin bag and a checked bag in Economy class

Bag allowance can vary by ticket type, cabin class, route, and airline, so travellers should check the fare details before booking.

Only Economy class is available on flights from Cologne to Kos.

On this route, direct flights are cheaper than stopover options on average. Direct fares average 319 € return, compared with 354 € via a stopover through Munich Franz Josef Strauss (MUC).

There is no standard. Checked bag policies vary by airline on this route. Most carriers charge 22 €–86 € for the first checked bag in Economy. Premium fares and elite status bookings typically include a free checked bag.

The Boeing 737-800 Passenger/BBJ2 (winglets) family is used most often on this route, operated mainly by Eurowings and Aegean Airlines. Other aircraft seen on the route include Airbus A320 (sharklets) variants.

Connecting flights from Cologne to Kos most commonly pass through:

• Vienna Intl (VIE) – 67% of one-stop connections
• Munich Franz Josef Strauss (MUC) – 33% of one-stop connections
Together, these airports account for 100% of one-stop bookings on this route.

Yes. Being flexible with your travel dates can save you up to 37% on the Cologne to Kos route. Friday is the cheapest departure day at 284 € return on average, while Tuesday is the most expensive at 447 €, a difference of 164 €. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

These are the earliest and latest flight times available from Cologne to Kos:

• Earliest: departs at 4:10 and lands at 7:21
• Latest: departs at 16:00 and lands at 19:11.

The flight takes about 3h 11m.

Last-minute fares on this route (booked within 2 weeks of departure) run 13% above the route average of 318 €. Book 4 weeks before departure for the lowest fares.

A direct flight from Cologne to Kos takes 3h 11m, covering 3.577 km.

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.

Yes. Based on fares seen in the past 5 days, return flight prices on this route showed a wide range, from about 190 € to 1.026 €. That means the highest observed fare was about 5x higher than the lowest one.

One-way fares from Cologne to Kos are currently lower than usual. Average one-way flight prices are about 94 €, which is 36% below the typical average for this route.

Flying via Munich Franz Josef Strauss (MUC) gives the shortest average 1-stop total travel time of 5h 20m, compared to 14h 27m via Vienna Intl (VIE).

Kos is 1 hour ahead of Cologne (Eastern European Time vs Central European Time). Plan for the time shift when scheduling connections or first-day activities.

Kos Airport (KGS) hosts 5 major car hire companies, with daily rates starting from around 8 € for economy cars. Top options include:
• ABBYCAR
• Exer Rent a Car
• Caldera
• Europcar
• Alma Car Hire

Return flights from Cologne to Kos range from 252 € to 414 €, with an average of 318 € over the past 12 months. Anything below 252 € counts as a good deal.