Kos (KGS) to Athens (ATH) flights
2 airlines fly nonstop from Kos (KGS) to Athens (ATH): Aegean Airlines and Sky Express. The two airports are 190 miles (305 km) apart. Aegean Airlines is in Star Alliance. There are also 5 ways to fly it with one stop, through Kalymnos, Rhodes and Heraklion and more.
Airlines flying nonstop from KGS to ATH
- Aegean AirlinesStar Alliance · bookable with 12 programsWho books it
- GQSky ExpressNot in an alliance
Book KGS to ATH with points
Loyalty programs that can book at least one of the nonstop airlines, from the Award Booking Guide.
- Air Canada AeroplanBooks Aegean Airlines
- Air New Zealand AirpointsBooks Aegean Airlines
- ANA Mileage ClubBooks Aegean Airlines
- Avianca LifeMilesBooks Aegean Airlines
- Emirates SkywardsBooks Aegean Airlines
- EVA Air Infinity MileageLandsBooks Aegean Airlines
- Lufthansa Miles & MoreBooks Aegean Airlines
- Singapore Airlines KrisFlyerBooks Aegean Airlines
- TAP Miles&GoBooks Aegean Airlines
- Thai Royal Orchid PlusBooks Aegean Airlines
- Turkish Airlines Miles&SmilesBooks Aegean Airlines
- United MileagePlusBooks Aegean Airlines
KGS to ATH with one stop
5 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Kalymnos (JKL)Sky Express the whole wayGQGQ
- Via Rhodes (RHO)Sky Express the whole wayGQ
GQ - Via Heraklion (HER)Aegean Airlines the whole wayGQ
- Via Thessaloniki (SKG)Aegean Airlines the whole wayGQ
- Via Bari (BRI)Ryanair the whole way
KGS to ATH: common questions
Which airlines fly nonstop from KGS to ATH?
Aegean Airlines (Star Alliance) and Sky Express fly nonstop from Kos (KGS) to Athens (ATH).
How far is Kos from Athens by plane?
Kos (KGS) and Athens (ATH) are 190 miles (305 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
Which points programs can book KGS to ATH award flights?
12 programs can book at least one of the nonstop airlines: Air Canada Aeroplan, Air New Zealand Airpoints, ANA Mileage Club, Avianca LifeMiles, Emirates Skywards, EVA Air Infinity MileageLands, Lufthansa Miles & More, Singapore Airlines KrisFlyer and 4 more. Which flights each can book depends on its partners, so check the airline before you transfer points.
How many miles does KGS to ATH cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for KGS to ATH with taxes and fees.
Where can I connect between Kos and Athens?
The most direct connections are through Kalymnos (JKL), Rhodes (RHO), Heraklion (HER), Thessaloniki (SKG) and Bari (BRI). On 5 of them the same airline flies both flights, for example Sky Express through Kalymnos.
More routes
Routes are scheduled nonstop flights. The route data is refreshed monthly; this list was last checked November 11, 2026. Seasonal routes and new launches can be missing or end early, so confirm with the airline before you book. Distances are great-circle, the shortest path between the two airports.