May is by far the best month, wherein you can get cheapest flights for Graz to Kos. Meanwhile, is perceived as the expensive month due to the varying factors. That’s why it’s highly advised to make advanced online flight booking to save huge amounts of money.
Disclaimer - All the above-mentioned fares were found within last 48 hrs. The displayed fares are based on historical data and are subject to change. The fares cannot be guaranteed at the time of booking.

Graz
19:15
Graz
Graz Airport
Sun , 17 May 2026

Kos
08:55
Kos
Kos Airport
Mon, 18 May 2026

Graz
14:55
Graz
Graz Airport
Sun , 17 May 2026

Kos
00:35
Kos
Kos Airport
Mon, 18 May 2026

Graz
13:50
Graz
Graz Airport
Sun , 17 May 2026

Kos
17:00
Kos
Kos Airport
Sun, 17 May 2026

Graz
15:40
Graz
Graz Airport
Sun , 17 May 2026

Kos
17:35
Kos
Kos Airport
Mon, 18 May 2026

Graz
11:25
Graz
Graz Airport
Sun , 17 May 2026

Kos
10:10
Kos
Kos Airport
Mon, 18 May 2026

Graz
16:50
Graz
Graz Airport
Sun , 17 May 2026

Kos
08:55
Kos
Kos Airport
Mon, 18 May 2026










Flying from Graz to Kos has never been easier. Whether you’re planning a short business trip, a weekend getaway, or reconnecting with family and friends, Easemytrip brings you the best deals, seamless booking, and flexible options for this popular flight route. Our platform is built to help travellers like you compare flight prices, explore direct and connecting options, and find the perfect departure time — all within a few clicks.
The air route between Graz to Kos is one of the most frequently travelled, offering reliable services from top airlines and excellent connectivity between Graz Airport (GRZ) and Kos Airport (KGS). You can expect a flight distance of approximately 1485 km, and most direct services cover it in around 14:38.
Let’s take a closer look at everything you need to know before booking your flight from Graz to Kos.
| Flight Details | Information |
|---|---|
| Route Distance | 1485 km |
| Average Flight Time | 14:38 hrs |
| Departure Airport | Graz Airport (GRZ) |
| Arrival Airport | Kos Airport (KGS) |
| Cabin Classes Available | Economy Class, Premium Economy, Business Class, First Class |
| Direct Flights | YES |
| Common Airlines | Air Dolomiti, Eurowings, Austrian Airlines, Swiss |
The route is serviced regularly by both full-service and budget airlines, catering to all types of travellers — from those looking for no-frills budget options to those preferring business and first-class comfort. If you're flying for business, early morning weekday flights are a great choice, while leisure travellers often opt for weekend and evening departures.