Price observed over the last 3 months for a round trip.
Compare all flight tickets and find cheap flights from Athens to Kos
The cheapest flights right now
Athens – Kos
Outbound – Nov 19, 2026
direct
1h 0m Return – Nov 22, 2026
direct
1h 0m $102
3 days ago
Athens – Kos
Outbound – Nov 26, 2026
direct
1h 5m Return – Nov 29, 2026
direct
1h 0m $100
3 days ago
Athens – Kos
Outbound – Nov 20, 2026
direct
0h 55m Return – Nov 23, 2026
direct
1h 0m $106
3 days ago
Athens – Kos
Outbound – Nov 26, 2026
direct
1h 0m Return – Nov 29, 2026
direct
1h 0m $104
3 days ago
* Prices are in USD per passenger, including taxes, for a round trip. Prices are based on searches carried out within the last 72 hours. Please note that availability and ticket prices are subject to change and should not be considered as the final price quoted.
Cheapest flight tickets
$95
Average price of a round trip
$116
Average flight ticket price recorded over the last 3 months for a round trip.
Flight duration
0h59
A flight from Athens to Kos takes on average 0h59.
Best time
June
According to user searches, the ideal month to go to Kos is June.
The best flight deals for a weekend
Athens – Kos
Outbound – Nov 19, 2026
direct
1h 0m Return – Nov 22, 2026
direct
1h 0m $102
3 days ago
Athens – Kos
Outbound – Nov 26, 2026
direct
1h 5m Return – Nov 29, 2026
direct
1h 0m $100
3 days ago
Athens – Kos
Outbound – Nov 20, 2026
direct
0h 55m Return – Nov 23, 2026
direct
1h 0m $106
3 days ago
Athens – Kos
Outbound – Nov 26, 2026
direct
1h 0m Return – Nov 29, 2026
direct
1h 0m $104
3 days ago
* Prices are in USD per passenger, including taxes, for a round trip. Prices are based on searches carried out within the last 72 hours. Please note that availability and ticket prices are subject to change and should not be considered as the final price quoted.
Tips for finding a cheap flight from Athens to Kos
Check out our tips for booking your flight to Kos (Greece) from Athens (Greece) at the cheapest possible price.
Usually, the cheapest month to pick up a ticket on this route is October, with an average flight ticket price of $112 (calculation over the last two years). The most touristic season corresponds to the months of October, September and August.
For the cheapest flights, it is advisable to buy your ticket at least 43 days before the departure date.
The airline offering the cheapest flight tickets is Aegean Airlines. A ticket from the airline Aegean Airlines to Kos costs on average $115.
The airlines that offer the most flights are Aegean Airlines, SKY express and Olympic Air.
info departure city :
Athens, Greece
airport :
Athens-Elefthérios Venizélos International Airport (ATH)
local time :
Athens is a city in the country Greece, the time zone is [[timezone]]. In Athens, it is currently {fromLocalTime}, the temperature is on average 15°C, with a minimum of 12°C and a maximum of 19°C.
The city of Athens has 1 airport(s): Athens-Elefthérios Venizélos
destination info :
Kos, Greece
airport :
Kos-Ippokratis International Airport (KGS)
local time :
Kos is in the country Greece, the time zone is [[timezone]]. In Kos, it is currently {toLocalTime}, the temperature is on average 17°C, with a minimum of 16°C and a maximum of 19°C.
The city of Kos has 1 airport(s): Kos-Ippokratis
Useful info about Kos
What is the least touristic period to go to Kos?
If you want to visit Kos during the least touristic period, choose the month of June.
What is the most popular time to travel to Kos?
In Kos, the most popular month is October. It is during this period that the prices offered by airlines are also the highest.
When should I book my flight from Athens to Kos?
According to our data, it is recommended to book your flight 43 days before your departure. If you book your flight ticket 7 weeks before your departure, you may find a price below average. You can also choose morning flights that are 21% cheaper than afternoon and evening flights. The cheapest day to book a flight from Athens to Kos is Friday.
What are the arrival and destination airports when traveling between Athens and Kos?
When you leave, you can leave from Athens-Elefthérios Venizélos, and you will arrive at Kos-Ippokratis.
How to reach Athens airport from the city centre?
This information is not available at this time.
Are there other means of transportation to go from Athens to Kos?
Airplane is the only means of transportation listed on Liligo for this journey.
Are there big differences in weather between Athens and Kos?
In summer, the average temperature is 26°C in Kos and 27°C in Athens. The average rainfall in summer is 4 mm in Kos and 17 mm in Athens. In summer, it is warmer in Athens and it rains less in Kos. In winter, it is colder in Kos and it rains more in Kos.