63 € Cheap Flights from Kos to Zagreb

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Flight deals from Kos to Zagreb

Looking for a cheap last-minute deal or the best return flight from Kos to Zagreb? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Kos to Zagreb

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

Direct flights from Kos to Zagreb

Kos to Zagreb: Alternative routes

Compare routes from Kos to Zagreb below. You may find an airport to fly into that's cheaper, faster, or easier than Zagreb.

Kos to Zagreb: Flight information

The things to know before you go.
Cheapest flight found63 €
Cheapest month to flySeptember
Average flight time2 hrs, 20 mins
Most popular airlineRyanair
Average flights per week4

Finding cheap flights from Kos to Zagreb: Frequently asked questions

The best price we found for a return flight from Kos to Zagreb is 63 €. 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 20 minutes is the average flight time from Kos to Zagreb.
Ryanair and Lauda Europe fly direct from Kos to Zagreb.
As of July 2025, there are 4 flights per week flying from Kos to Zagreb.
The cheapest month to fly from Kos to Zagreb is usually September.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Kos Airport to Zagreb Airport on Tuesday, 23 September 2025.
Yes – the average flight time is 2 hours and 20 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 Zagreb 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 Zagreb is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Ryanair offers the cheapest flight tickets to Zagreb.

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

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

  • Give yourself enough time to make your KGS to ZAG flight. It's generally best to arrive two hours before international departures and an hour ahead for domestic flights.

  • Travelling during a peak time like August? Public holidays and other popular periods can lead to longer lines and delays at security. Play it safe and arrive up to four hours ahead of an international flight and two hours before domestic departures.

  • Getting to Zagreb (and then seeing more of Croatia!) is easy with Ryanair. This popular carrier has direct flights from Kos Airport to Franjo Tudman Airport.

  • The airline that passengers book most often on this route is Ryanair.

  • If you want to include a stop along the way, just deselect 'Direct flights only' when searching for your ticket from Kos Airport to Franjo Tudman Airport. Here are the top stopovers between KGS and ZAG:

    • Vienna International Airport

    • Cologne Bonn Airport

    • Frankfurt Airport

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

  • The lowest price we've seen for a one-way Kos Airport to Franjo Tudman Airport flight is 38 €. A round-trip fare is currently 63 €. Depending on the availability when you book, these fares can change.

  • Book seven months before your departure date. After crunching the numbers on our calendar, this is how far you'll want to book ahead to secure cheap tickets from KGS to ZAG.

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

  • There's no need to check every day to see if fares have gone down when you create a Price Alert. We'll let you know as soon as there's a better deal on cheap flights from KGS to ZAG.

  • Tailor your flights with filters. Choose your ideal departure and arrival times, total journey duration and airlines. You can also sort the results by 'Fastest,' 'Cheapest' or 'Best' flights from Kos Airport to Franjo Tudman Airport.

Handy information about Kos Airport (KGS)

  • Kos Airport earns top marks for its on-time performance. 89.58% of flights that depart KGS arrive at their destination as scheduled.

Arriving at Franjo Tudman Airport (ZAG)

Getting from Franjo Tudman Airport (ZAG) to central Zagreb

  • Franjo Tudman Airport to the centre of Zagreb has a drive time of about 25 minutes. It's approximately 16 kilometres away.

  • Getting there by public transport takes roughly 1 hour.

When to fly to Franjo Tudman Airport (ZAG)

  • August is the busiest month for flights from Kos Airport to Franjo Tudman Airport. To escape the crowds, visit Zagreb in February.

  • Book your flight from Kos Airport to Franjo Tudman Airport for August if you want to visit Zagreb during its warmest month. Expect temperatures of between 14ºC (57ºF) and 30ºC (86ºF).

  • Search for cheap tickets from KGS to ZAG in January if you like cooler conditions. Temperatures are at their lowest then, ranging between -7ºC (19ºF) and 8ºC (46ºF) on average.

Explore more of Croatia

  • Split is just one of the many places in Croatia waiting to be discovered after you've experienced Zagreb. Around 257 kilometres away to the south, well-known attractions include Diocletian's Palace, Marjan Hill Stairs and Riva Harbour.

  • If you want to check out another side of Croatia, head for Rijeka, about 129 kilometres south-west of Zagreb. Trsat castle park, Old Gateway (Roman Arch) and Korzo are highlights.

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