Athens to Kos Island (ATH-KGS): nonstop upgrade & award space

Aegean Airlines, Big Sky Airlines, and Hahn Air Systems fly nonstop between Athens (ATH) and Kos Island (KGS), roughly 63 times a week. With this many departures on a short sector, premium cabins are small and turn over daily, so upgrade or award space opens and closes within hours. 2LNR tracks award seats on Aegean Airlines across every ATH to KGS date, so you can see whether a seat exists before you move points.

Schedule last confirmed . Departure times come from 2LNR's schedule data; confirm with the airline before you book.

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63
Nonstop flights a week
189 mi
Nonstop distance
Free
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Athens to Kos Island flight schedule

Scheduled nonstop departures for ATH to KGS, last checked against our schedule feed on September 6, 2026. Airlines retime and cancel flights, so confirm with the airline before you book.

Schedule data dated .

Scheduled nonstop departures from Athens (ATH) to Kos Island (KGS)
Date Flight Airline Departs ATH Arrives KGS Duration Aircraft
GQ 220Big Sky Airlines07:0508:051hATR
H1 250Hahn Air Systems07:0508:051hATR
A3 222Aegean Airlines07:4508:501h 5mAT7
A3 224Aegean Airlines11:3012:2555 minutesAT7
GQ 222Big Sky Airlines16:0017:001hATR
H1 254Hahn Air Systems16:0017:001hATR
A3 226Aegean Airlines16:3517:3055 minutes320
GQ 224Big Sky Airlines21:1022:101hATR
H1 256Hahn Air Systems21:1022:101hATR
A3 228Aegean Airlines23:3500:351hAT7
GQ 220Big Sky Airlines07:0508:051hATR
H1 250Hahn Air Systems07:0508:051hATR
A3 222Aegean Airlines07:3508:401h 5mAT7
A3 224Aegean Airlines11:3012:351h 5mAT7
GQ 222Big Sky Airlines15:0016:001hATR
A3 226Aegean Airlines16:3517:3055 minutes320
H1 256Hahn Air Systems20:5521:551hATR
A3 228Aegean Airlines23:3500:351hAT7
GQ 220Big Sky Airlines07:0508:051hATR
H1 250Hahn Air Systems07:0508:051hATR
A3 222Aegean Airlines07:4508:501h 5mAT7
A3 224Aegean Airlines11:3012:351h 5mAT7
GQ 222Big Sky Airlines15:0016:001hATR
A3 226Aegean Airlines16:3517:3055 minutes320
GQ 224Big Sky Airlines20:5521:551hATR
H1 256Hahn Air Systems20:5521:551hATR
A3 228Aegean Airlines23:3500:351hAT7
GQ 220Big Sky Airlines07:0508:051hATR
H1 250Hahn Air Systems07:0508:051hATR
A3 222Aegean Airlines07:4508:501h 5mAT7
A3 224Aegean Airlines11:3012:351h 5mAT7
GQ 222Big Sky Airlines15:0016:001hATR
A3 226Aegean Airlines16:3517:3055 minutes320
GQ 224Big Sky Airlines21:1522:151hATR
A3 228Aegean Airlines23:3500:351hAT7
GQ 220Big Sky Airlines07:0508:051hATR
H1 250Hahn Air Systems07:0508:051hATR
A3 222Aegean Airlines07:4508:501h 5mAT7
A3 224Aegean Airlines11:3012:351h 5mAT7
GQ 222Big Sky Airlines15:0016:001hATR

Showing the first 40 of 62 scheduled ATH to KGS departures across the next 7 days with service. Every remaining date is on the interactive map.

Departure and arrival times are local at their own airport, so an arrival can fall on a different local date than the departure; the duration column is the true elapsed flying time. A dash means the airline has not filed that value in the schedule data we hold. Aircraft are IATA equipment codes as filed, and can change up to departure.

See every ATH to KGS date on the interactive map

Award seats on ATH to KGS departures

2LNR tracks award seats on Aegean Airlines, date by date. Open the calendar for Athens to Kos Island to see whether a seat exists before you move points, the next 14 days free on every product and the full horizon on Pro.

See real availability

Confirmed upgrade and award seats on each ATH to KGS departure, checked against live inventory so you know what is open before you book.

Set an alert

Premium inventory turns over fast. Watch this route and 2LNR notifies you when space appears on a date you are tracking.

Plan on the map

See ATH to KGS on the interactive route map, with schedules, connections, and route statistics.

Airlines flying Athens to Kos Island nonstop

Carriers operating ATH to KGS nonstop in the current schedule. 2LNR tracks confirmed upgrade and award space on each of them.

See ATH to KGS on the interactive map →

Frequently asked questions about ATH to KGS

How far is Kos Island from Athens?
ATH to KGS covers about 189 miles nonstop. Flight times vary by aircraft and season; the schedule table on this page lists each scheduled departure with its own times.
Which airlines fly nonstop from ATH to KGS?
Aegean Airlines, Big Sky Airlines, and Hahn Air Systems fly the route nonstop. 2LNR tracks award seats on Aegean Airlines.
How many flights a week are there from ATH to KGS?
About 63 nonstop flights a week run between Athens and Kos Island in the current schedule, operated by Aegean Airlines, Big Sky Airlines, and Hahn Air Systems. Frequency shifts by season, and the schedule table on this page shows what is scheduled next.
What time do flights from ATH to KGS depart?
Scheduled ATH to KGS nonstops in the next 7 days with service leave between 07:05 and 23:35, local time at Athens. The schedule table on this page lists every departure by date, with its arrival time and aircraft.
How do I check upgrade or award availability on ATH to KGS?
Open the ATH to KGS route on the interactive map or the matrix to see award seats by date on Aegean Airlines, the next 14 days free and the full horizon on Pro. On Pro you can also set an alert on the route and 2LNR notifies you when space opens.

Never miss ATH to KGS upgrade or award space

See what is open by date on this route, the next 14 days free on every product and the full horizon on Pro.

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