Flaut.Travel was designed and developed by a team dedicated to making the process of searching, comparing and booking airline tickets as easy and convenient as possible. Our service helps travelers to find and buy the cheapest flights from Kos to Athens. We have connected more than 40 airlines and airline ticketing agencies to help you find the most suitable and affordable flight option.
A non-stop flight is the most convenient and comfortable way to fly from Kos to Athens, despite the fact that sometimes flights with transfers can cost significantly less.
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Answers to questions about the route that travelers are most interested in.
We keep tight track on airlines' pre-holidays sales and other special offers occurences all the time to let you save maximum amount of funds while traveling to your family or just going out on vacation.
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Flight costs from Kos to Athens climb toward the middle of the period, then start to drop. By choosing the right dates, you can save noticeably.
Prices rise from November 2026 to August 2027 (+85%), then decline from August 2027 to October 2027 (36%). The cheapest tickets are in November 2026–January 2027 (averaging $45), while the priciest are in January 2027–August 2027 ($62).
For savings, plan your flight for November 2026–January 2027 — you could save up to 28%. Try to avoid January 2027–August 2027 when possible: prices are at their highest then.
Price spread on this route is 24.8%. Costs depend heavily on the season, so flexibility in choosing your departure month is especially valuable here.
The cost of a one-way flight from Kos to Athens ranges from $41 (November 2026) to $75 (August 2027). On average, the ticket price is about $49–$53.
Kos — Athens
10/06/2027
Departure
Direct flight
GQ221
starting at $48
Kos — Athens
08/29/2027
Departure
Direct flight
OA221
starting at $76
Kos — Athens
11/08/2026
Departure
Direct flight
A3227
starting at $147
Kos — Athens
11/13/2026
Departure
Direct flight
GQ225
starting at $74
Kos — Athens
11/16/2026
Departure
Direct flight
GQ223
starting at $41
Flights from Kos to Athens are operated by several airlines — Sky Express, Olympic Air, and Aegean Airlines. This allows passengers to flexibly choose flights based on departure time, cost, and additional services. The minimum ticket price starts at $41, making this destination accessible to travelers with different budgets. We help compare all available options in real time, so you can book tickets at the best value for money. The service ensures transparent search and lets you book affordable flights in just a few clicks.
The cheapest flight ticket from Kos to Athens according to data for the last 48 hours costs $41
Often the best time to buy tickets from Kos to Athens is 2 months before departure.
Based on statistics over the past years, the lowest prices for flights from Kos to Athens can be found flying in these months: November, October, January.
The fastest flights from Kos to Athens start from 1 hour in the air.
The following airlines operate direct flights on the route Kos — Athens: Sky Express, Olympic Air, Aegean Airlines
Aegean Airlines
Every day
starting at $77
Sky Express
Every day
starting at $79
All airlines serving Kos — Athens operate daily direct flights: Aegean Airlines and Sky Express fly every day.
The cheapest one-way flight from Kos to Athens departs on 11/16/2026, is operated by Sky Express and costs $41
The cheapest roundtrip flight from Kos to Athens departs on 11/09/2026, is operated by Sky Express and costs $141
Fastest flight from Kos to Athens takes 1 hour
There are direct flights on this route 4 days a week: Su, Mo, We, and Fr
The distance between Kos and Athens is 325km (202 miles). The average flight duration is 1h. There are 28 direct flights from Kos to Athens. Kos and Athens are in the same time zone. Flights from Kos begin at 6:00 AM. The latest flight from Kos departs at 10:55 PM
We couldn't find any special offers for flights from Kos to Athens