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£124 Cheap Flights from Copenhagen (CPH) to Kos (KGS)

View £124 flight on Wed, 16 Sept 2026Opens in a new window

Flight 1

Popular airlines from Kastrup Airport (CPH) to Kos (KGS-Kos Island Intl.)

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Cheap Flights from Copenhagen (CPH) to Kos (KGS)

Prices were available within the past 7 days and start at £124 for one-way flights and £156 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Swiss International Air Lines
Wed, 16 Sept - Tue, 22 Sept
CPH
Copenhagen
KGS
Kos
£156 Return, found 4 days ago
£156
Return
found 4 days ago
Select Swiss International Air Lines flight, departing Wed, 16 Sept from Copenhagen to Kos, returning Tue, 22 Sept, priced at £156 found 4 days ago
Brussels Airlines
Fri, 18 Sept - Fri, 25 Sept
CPH
Copenhagen
KGS
Kos
£157 Return, found 4 days ago
£157
Return
found 4 days ago
Select Brussels Airlines flight, departing Fri, 18 Sept from Copenhagen to Kos, returning Fri, 25 Sept, priced at £157 found 4 days ago
Swiss International Air Lines
Wed, 16 Sept - Tue, 22 Sept
CPH
Copenhagen
KGS
Kos
£160 Return, found 4 days ago
£160
Return
found 4 days ago
Select Swiss International Air Lines flight, departing Wed, 16 Sept from Copenhagen to Kos, returning Tue, 22 Sept, priced at £160 found 4 days ago
Brussels Airlines
Fri, 2 Oct - Fri, 9 Oct
CPH
Copenhagen
KGS
Kos
£167 Return, found 6 days ago
£167
Return
found 6 days ago
Select Brussels Airlines flight, departing Fri, 2 Oct from Copenhagen to Kos, returning Fri, 9 Oct, priced at £167 found 6 days ago
Swiss International Air Lines
Tue, 15 Sept - Tue, 22 Sept
CPH
Copenhagen
KGS
Kos
£168 Return, found 4 days ago
£168
Return
found 4 days ago
Select Swiss International Air Lines flight, departing Tue, 15 Sept from Copenhagen to Kos, returning Tue, 22 Sept, priced at £168 found 4 days ago
Austrian Airlines
Thu, 17 Sept - Thu, 24 Sept
CPH
Copenhagen
KGS
Kos
£169 Return, found 6 days ago
£169
Return
found 6 days ago
Select Austrian Airlines flight, departing Thu, 17 Sept from Copenhagen to Kos, returning Thu, 24 Sept, priced at £169 found 6 days ago
Brussels Airlines
Sat, 19 Sept - Fri, 25 Sept
CPH
Copenhagen
KGS
Kos
£174 Return, found 4 days ago
£174
Return
found 4 days ago
Select Brussels Airlines flight, departing Sat, 19 Sept from Copenhagen to Kos, returning Fri, 25 Sept, priced at £174 found 4 days ago
Brussels Airlines
Fri, 18 Sept - Fri, 25 Sept
CPH
Copenhagen
KGS
Kos
£179 Return, found 4 days ago
£179
Return
found 4 days ago
Select Brussels Airlines flight, departing Fri, 18 Sept from Copenhagen to Kos, returning Fri, 25 Sept, priced at £179 found 4 days ago
Lufthansa
Sat, 19 Sept - Fri, 25 Sept
CPH
Copenhagen
KGS
Kos
£183 Return, found 4 days ago
£183
Return
found 4 days ago
Select Lufthansa flight, departing Sat, 19 Sept from Copenhagen to Kos, returning Fri, 25 Sept, priced at £183 found 4 days ago
Aegean
Tue, 8 Sept - Thu, 17 Sept
CPH
Copenhagen
KGS
Kos
£351 Return, found 2 hours ago
£351
Return
found 2 hours ago
Select Aegean flight, departing Tue, 8 Sept from Copenhagen to Kos, returning Thu, 17 Sept, priced at £351 found 2 hours ago

Alternative airports near Kos

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Kos Island Intl. KGS. Cheapest and Closest option available. Average driving time to city centre is 25 minutes. Flights from £264
KGS
Kos Island Intl.
CheapestClosest
Average driving time to city centre25 min
Flights from £264

Frequently asked questions

How much does a flight from Copenhagen (CPH-Kastrup) to Kos (KGS-Kos Island Intl.) cost?
You can find one-way and return flights from CPH to KGS with Expedia. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see our cheapest fares first, and use the Price Tracking tool to receive alerts when CPH to KGS ticket fares go up or down.
What is the cheapest month to fly from Copenhagen (CPH-Kastrup) to Kos (KGS-Kos Island Intl.)?
The cheapest months to fly from CPH to KGS are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Copenhagen (CPH-Kastrup) to Kos (KGS-Kos Island Intl.)?
Enter CPH to KGS and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Copenhagen (CPH-Kastrup) to Kos (KGS-Kos Island Intl.)?
Swiss International Air Lines is one of the cheapest airlines offering connecting return flights from Copenhagen (CPH-Kastrup) to Kos (KGS-Kos Island Intl.), with tickets starting from around £180 for flights that can be booked for departure within the next year. These prices are typically for one adult in economy/coach class. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.
How do I find cheap flights from Copenhagen (CPH-Kastrup) to Kos (KGS-Kos Island Intl.)?
To find a cheap flight from Copenhagen (CPH-Kastrup) to Kos (KGS-Kos Island Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Copenhagen (CPH-Kastrup) to Kos (KGS-Kos Island Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Copenhagen (CPH-Kastrup) to Kos (KGS-Kos Island Intl.)?
There are approximately 25 connecting flights per day from Copenhagen (CPH-Kastrup) to Kos (KGS-Kos Island Intl.). Some common connection points include Frankfurt Intl. (FRA), Franz Josef Strauss Intl. (MUC), and Eleftherios Venizelos (ATH).
What is the earliest flight from Copenhagen (CPH-Kastrup) to Kos (KGS-Kos Island Intl.)?
The earliest flight from Copenhagen (CPH-Kastrup) to Kos (KGS-Kos Island Intl.) typically departs around 6:00 AM. This service is offered by airlines such as KLM and Sky Express. This is a seasonal service, active in June, August, and September. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Copenhagen (CPH-Kastrup) to Kos (KGS-Kos Island Intl.)?
You'll typically find the most flights from Copenhagen (CPH-Kastrup) to Kos (KGS-Kos Island Intl.) on a Friday, with around 36 flights available. This gives you a good selection of options for your journey. Major airlines on this route include SAS, Lufthansa, and Austrian Airlines. Flight options are notably more plentiful on Fridays compared to other days of the week.
What are the most popular departure times for flights from Copenhagen (CPH-Kastrup) to Kos (KGS-Kos Island Intl.)?
The most popular departure times for flights from Copenhagen (CPH-Kastrup) to Kos (KGS-Kos Island Intl.) are in the early morning, from 6am to 9am. Many major carriers, including Lufthansa, Brussels Airlines and SAS, offer flights during this window. Many travellers prefer this because it allows for an early start to your journey, getting you to your destination with plenty of time to settle in.
How long does it take to fly from Copenhagen (CPH-Kastrup) to Kos (KGS-Kos Island Intl.)?
There are no nonstop flights from Copenhagen (CPH-Kastrup) to Kos (KGS-Kos Island Intl.). The distance between these two airports is approximately 2359 kilometres (1466 miles). If you're looking for flights with one stop, these typically take around 12 hours 30 minutes. Flights with two or more stops usually take longer, with a typical travel time of about 23 hours 18 minutes. Keep in mind that actual flight times can vary due to factors like layover duration, routing, and wind patterns.
Can you fly business or first class from Copenhagen (CPH-Kastrup) to Kos (KGS-Kos Island Intl.)?
Yes, you can fly business class between CPH and KGS. Airlines that offer business class service on this route include:
  • Aegean
  • Brussels Airlines
  • Austrian Airlines
How do I earn miles on a Copenhagen (CPH-Kastrup) to Kos (KGS-Kos Island Intl.) flight with Expedia?
It's easy to earn miles on a Copenhagen (CPH-Kastrup) to Kos (KGS-Kos Island Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Kos (KGS) from Copenhagen (CPH)?
If you're planning to travel to Kos from Kastrup (CPH), you can fly directly into Kos Island Intl. (KGS) which offers international flights and connections. Some flights may connect through major hubs like Roissy-Charles de Gaulle (CDG), Arlanda (ARN), or Gardermoen (OSL) before reaching Kos. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Copenhagen (CPH-Kastrup) to Kos (KGS-Kos Island Intl.) at the last minute?
Typically, booking a last minute flight from Copenhagen (CPH-Kastrup) to Kos (KGS-Kos Island Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Copenhagen (CPH-Kastrup) to Kos (KGS-Kos Island Intl.) flight and hotel package?
Securing a Copenhagen (CPH-Kastrup) to Kos (KGS-Kos Island Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Copenhagen (CPH-Kastrup) to Kos (KGS-Kos Island Intl.)?
If you booked your Copenhagen (CPH-Kastrup) to Kos (KGS-Kos Island Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Kastrup
Destination airport
Kos Island Intl.
Roundtrip price
£156
Distance
2345 km
Average flight time
3 hours 25 mins

Book with confidence

Compare flights from Copenhagen to Kos easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Copenhagen to Kos. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Kos Island Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Kastrup to Kos Island Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Kastrup (CPH) to Kos Island Intl. (KGS)

The easiest way to view the best deals on flights from Copenhagen to Kos today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Kastrup to Kos Island Intl. start at just £156 and range up to £351.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Copenhagen and Kos
  • booking your flight during September, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Copenhagen to Kos flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Kastrup to Kos Island Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from Copenhagen to Kos easily and book with confidence

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