Direct (nonstop) flights from Athens to Kos
2 airlines fly nonstop from Athens International Airport (ATH) to Kos International Airport (KGS). It's 190 miles (305 km), about 1h in the air. Operated by Aegean Airlines, Sky Express.
Aegean Airlines
Sky Express
Route data last updated: May 29, 2026
Airlines with non-stop flights
Alternative Routes
Other ways to fly from Athens to Kos with one stop · direct emits 35 kg CO₂ per passenger
Looking for the return flight?
KGS → ATH: Flights from Kos to AthensOther direct flights from Athens
Direct flights from Kos (KGS)
Frequently Asked Questions
How long is the direct flight from Athens to Kos?
A nonstop flight from Athens (ATH) to Kos (KGS) takes approximately 1 hours. The distance is 190 miles (305 km).
Which airlines fly nonstop from Athens to Kos?
2 airlines: Aegean Airlines, Sky Express.
Is there a nonstop flight from Athens to Kos?
Yes. 2 airlines: Aegean Airlines, Sky Express.
How far is Athens from Kos?
The flight distance from Athens to Kos is 190 miles (305 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as New York to Washington DC.
What type of aircraft flies from Athens to Kos?
At 1h, this route typically uses narrow-body aircraft — Boeing 737 or Airbus A320. Varies by airline.
What is the carbon footprint of a flight from Athens to Kos?
Roughly 35 kg CO2 per passenger one-way. That's about the same as driving 175 km.
Is the return flight from Kos to Athens also nonstop?
Yes — nonstop flights run both ways. Flight time may differ slightly due to wind patterns.
When is the cheapest time to fly from Athens to Kos?
Midweek flights (Tue/Wed) outside holiday peaks are usually cheapest. 3-6 weeks ahead is a good window for this route. Use "Check Prices" above to compare.
How early should I arrive at Athens International Airport for this flight?
1.5-2 hours for domestic. Add more time during holidays or busy travel weekends.