Cheap Flights from Zagreb to Kos

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Find the cheapest month to fly from Zagreb to Kos

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Zagreb to Kos flights are currently cheapest in September.

Direct flights from Zagreb to Kos

Zagreb to Kos: Flight information

The things to know before you go.
Cheapest flight foundR 449
Cheapest month to flySeptember
Average flight time2 hrs, 18 mins
Most popular airlineRyanair
Average flights per week3

Finding cheap flights from Zagreb to Kos: Frequently asked questions

The best price we found for a return flight from Zagreb to Kos is R 2,203. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
2 hours and 18 minutes is the average flight time from Zagreb to Kos.
Ryanair and Lauda Europe fly direct from Zagreb to Kos.
As of September 2025, there are 3 flights per week flying from Zagreb to Kos.
The cheapest month to fly from Zagreb to Kos is usually September.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Zagreb Airport to Kos Airport on Saturday, 20 September 2025.
Yes – the average flight time is 2 hours and 18 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Kos but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Kos is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Ryanair offers the cheapest flight tickets to Kos.

Flying from Franjo Tudman Airport (ZAG) to Kos Airport (KGS): what you need to know

  • Jump on a direct flight from Franjo Tudman Airport to Kos Airport and you'll be in the air for an average of 2 hours 20 minutes.

  • Your ZAG to KGS flight won't wait if you're late, so don't forget to check in on time. Arrive up to one hour in advance for domestic flights and two hours ahead when you're travelling internationally.

  • If you're taking off during a major holiday or other peak periods, allow extra time. A good general rule is two hours before domestic flights and up to four hours before international departures. Queues at check-in and security will be longer.

  • Ryanair tops the list for bookings on this route.

How to find the cheapest flights from Franjo Tudman Airport (ZAG) to Kos Airport (KGS)

  • The cheapest price we've seen for a one-way Franjo Tudman Airport to Kos Airport flight is R 449. A round-trip plane ticket is currently R 2,203. Depending on the availability when you book, these fares could change.

  • Book seven months before you want to fly. After crunching the numbers on our calendar, this is how far you should book ahead to find cheap tickets from ZAG to KGS.

  • June is the cheapest month for flights from Franjo Tudman Airport to Kos Airport. If you're looking to travel during a different time of year, the 'Whole month' tool will show you the lowest prices for every month.

  • There's no need to check every day to see if fares have dropped when you set up a Price Alert. We'll update you as soon as a special offer becomes available on cheap flights from ZAG to KGS.

  • Discover the ideal flight for you by using the filters. To see the 'Cheapest,' 'Best' or 'Fastest' flights from Franjo Tudman Airport to Kos Airport, use the 'Sort by' tool. You can also filter by airline, departure and arrival times, and journey duration.

Handy information about Franjo Tudman Airport (ZAG)

  • When it comes to the on-time performance of Franjo Tudman Airport, 67.18% of flights complete their journey on time.

  • Central Zagreb to Franjo Tudman Airport is around 16 kilometres. Depending on traffic, it'll take about 25 minutes to get there if you're driving, catching a cab or ride-sharing.

  • Planning to catch public transport? You can expect a journey time of around 1 hour.

  • Get your holiday off to a hassle-free start by staying near ZAG. Whether you've booked an early flight from Franjo Tudman Airport to Kos Airport or just don't want to be rushed, these stays are ideal:

Arriving at Kos Airport (KGS)

  • Lock in the best deal by reserving your vehicle from Kos Airport around three weeks in advance of your trip.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.