Aegean Cheap Flights from Istanbul to Kos

View €84 flight on Thu, 23 Oct 2025Opens in a new window

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Prices were available within the past 7 days and start at €84 for one-way flights and €170 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Aegean
Thu, 23 Oct - Thu, 30 Oct
IST
Istanbul
KGS
Kos
€170 Return, found 1 day ago
€170
Return
found 1 day ago
Select Aegean flight, departing Thu, 23 Oct from Istanbul to Kos, returning Thu, 30 Oct, priced at €170 found 1 day ago
Aegean
Thu, 23 Oct - Thu, 30 Oct
IST
Istanbul
KGS
Kos
€189 Return, found 1 day ago
€189
Return
found 1 day ago
Select Aegean flight, departing Thu, 23 Oct from Istanbul to Kos, returning Thu, 30 Oct, priced at €189 found 1 day ago
Aegean
Thu, 23 Oct - Thu, 30 Oct
IST
Istanbul
KGS
Kos
€209 Return, found 1 day ago
€209
Return
found 1 day ago
Select Aegean flight, departing Thu, 23 Oct from Istanbul to Kos, returning Thu, 30 Oct, priced at €209 found 1 day ago
Aegean
Thu, 23 Oct - Thu, 30 Oct
IST
Istanbul
KGS
Kos
€228 Return, found 1 day ago
€228
Return
found 1 day ago
Select Aegean flight, departing Thu, 23 Oct from Istanbul to Kos, returning Thu, 30 Oct, priced at €228 found 1 day ago
Aegean
Thu, 23 Oct - Thu, 30 Oct
IST
Istanbul
KGS
Kos
€231 Return, found 1 day ago
€231
Return
found 1 day ago
Select Aegean flight, departing Thu, 23 Oct from Istanbul to Kos, returning Thu, 30 Oct, priced at €231 found 1 day ago
Aegean
Thu, 23 Oct - Thu, 30 Oct
IST
Istanbul
KGS
Kos
€248 Return, found 1 day ago
€248
Return
found 1 day ago
Select Aegean flight, departing Thu, 23 Oct from Istanbul to Kos, returning Thu, 30 Oct, priced at €248 found 1 day ago

Frequently asked questions

How much is an Aegean Airlines flight from Istanbul (IST) to Kos Island Intl. Airport (KGS)?
Set the "Price (lowest to highest)" filter on Expedia to look for cheap Aegean Airlines return flights from €170 from IST to KGS. Affordable one-way tickets from €84 are available too.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from IST to KGS with Aegean Airlines?
Search for return or one-way flights to Kos in December or February. You could find an affordable fare with Aegean Airlines during these quieter months.
Does Aegean Airlines fly nonstop from Istanbul (IST) to Kos Island Intl. Airport (KGS)?
To see if there's a direct journey from IST to KGS with Aegean Airlines or another airline, use our "Nonstop" filter when browsing for flights.
Can I change or cancel my Aegean Airlines flight from Istanbul (IST) to Kos Island Intl. Airport (KGS)?
Changes are generally free within 24 hours of booking, but your airline may charge a fee after that time. For further details about modifying your reservation, head to your "Trips," select your flight and click on "Manage Booking." If you'd like the flexibility to make changes without being charged, tick the "No cancel fee" or "Changes included" filter when organising your trip.

Travel information

Travel information

Origin airport
Istanbul
Destination airport
Kos Island Intl.
Airlines serving
Aegean, SKY express
Popular airline
SKY express
Distance
512 km

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