£52 Find Cheap Flights from Kos to Athens – Compare and Save

Among airlines operating Kos to Athens flights:

• Aegean Airlines: offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

2 airlines operate flights between Kos and Athens. The airlines offering direct flights on this route include:

• Aegean Airlines
• Sky Express

Flights from Kos to Athens usually depart from Kos (KGS) and arrive at Athens Eleftherios V. (ATH).

Here are some options for this route, based on selected ticket types and cabin classes:

• Sky Express: a cabin bag and a checked bag in Economy class
• Aegean Airlines: a cabin bag and a checked bag in Economy class
• Hahn Air Systems: a cabin bag and a checked bag in Economy class

Bag allowance can vary by ticket type, cabin class, route, and airline, so travellers should check the fare details before booking.

Two cabin classes are available on flights from Kos to Athens:

• Economy class
• Business Class

There is no standard. Checked bag policies vary by airline on this route. Most carriers charge £13–£74 for the first checked bag in Economy. Premium fares and elite status bookings typically include a free checked bag.

The ATR 42 / ATR 72 family is used most often on this route, operated mainly by Sky Express and Hahn Air Systems. Other aircraft seen on the route include ATR 72-201 / 202 variants.

On the Kos to Athens route, being flexible with your departure day can save you up to 29%. Saturday is the cheapest day at £86 return on average, while Tuesday is the most expensive at £120 – a £35 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the Kos to Athens route, 36% of flights were delayed in the past 3 months, with delays averaging 1 hour 25 minutes.

Morning is the busiest departure period on Kos to Athens flights, with 29% leaving in that window. Afternoon departures account for 29%, Evening flights for 28%, and Night flights for 14%.

Some of the most popular sights in Athens are Acropolis, Monastiraki, and Syntagma Square. These are among the most viewed places in Athens on KAYAK.

These are the earliest and latest flight times available from Kos to Athens:

• Earliest: departs at 04:00 and lands at 05:03
• Latest: departs at 22:45 and lands at 23:48.

The flight takes about 1h 03m.

A direct flight from Kos to Athens takes 1h 03m, covering 189 miles.

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

Yes. Based on fares seen in the past 5 days, return flight prices on this route showed a wide range, from about £72 to £425. That means the highest observed fare was about 6x higher than the lowest one.

One-way fares from Kos to Athens are currently higher than usual. Average one-way flight prices are about £97, which is 45% above the typical average for this route.

Morning flights have the fewest delays on this route. Delays tend to pile up throughout the day as one late flight pushes the next, so earlier departures are usually more reliable.

Athens Eleftherios V. Airport (ATH) hosts 5 major car hire companies, with daily rates starting from around £2 for economy cars. Top options include:
• Centauro
• Record go
• Europcar
• SURPRICE CAR RENTAL
• Alamo

Return flights from Kos to Athens range from £84 to £135, with an average of £109 over the past 12 months. Anything below £84 counts as a good deal.