Flights from Kos to Graz – Direct & connecting routes
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KGS to GRZ – All flight route options from Kos International Airport, Greece to Graz Mil/Civ, Austria. These flights are operated by 5 airlines. Fly non-stop with Eurowings or choose from 2 different transit flights. The shortest flight time is 2 hours and 30 minutes. See the full flight schedule and time table, including departure times, airlines and stopover details to find the best option for you.
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Kos to Graz flights
This route is operated by 4 airlines. You can fly non-stop to Graz (GRZ) from Kos (KGS) with Eurowings but if a stopover option suits you better you can choose to fly via Vienna, Zurich or any other of the 3 alternatives with connectiing airports.
Kos to Graz with Eurowings
Eurowings has non-stop every Wednesday or Sunday at 10:15 or 17:55.
Note Non-stop flights with Eurowings will begin in May 2025.
With Austrian
If you fly from Kos with Austrian you will do a stopover in Vienna, VIE before reaching Graz. This flight trip will take 3 hours and 30 minutes and you can fly every Monday with departures at 20:50. Austrian is a Star Alliance member.
Distance & flight times: Kos International Airport to Graz Mil/Civ
The shortest flight time between KGS and GRZ is 2 hours and 30 minutes.
Via | Total flight time | Layover time | Distance |
---|---|---|---|
Direct | 2h 30m | - | 928 miles (1493 km) |
VIE Vienna | 3h 30m | 25m | 1045 miles (1681 km) |
ZRH Zurich | 5h 15m | - | - |
MUC Munich | 5h 50m | - | - |


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From Kos to Austria
Below is a list of other destinations to Austria from Kos International Airport with either direct flights or 1 stop connections.
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VIE Vienna Direct
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SZG Salzburg Direct
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INN Innsbruck Direct
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KLU Klagenfurt
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LNZ Linz Direct
From Greece to Graz
Below is a list of other cities in Greece with flights to Graz with either non-stop or connecting flights.
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ATH Athens
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HER Heraklion Direct
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CFU Kerkyra Direct
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RHO Rhodes Direct
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SKG Thessaloniki
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CHQ Chania
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ZTH Zakinthos
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JTR Thira
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JMK Mykonos
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PVK Preveza