Aegean Cheap Flights from Bucharest to Kos

View €75 flight on Thu, 4 Dec 2025Opens in a new window
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Prices were available within the past 7 days and start at €75 for one-way flights and €140 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Aegean
Sat, 16 May - Mon, 25 May
OTP
Bucharest
KGS
Kos
€140 Return, found 2 hours ago
€140
Return
found 2 hours ago
Select Aegean flight, departing Sat, 16 May from Bucharest to Kos, returning Mon, 25 May, priced at €140 found 2 hours ago
Aegean
Sat, 16 May - Tue, 19 May
OTP
Bucharest
KGS
Kos
€155 Return, found 21 hours ago
€155
Return
found 21 hours ago
Select Aegean flight, departing Sat, 16 May from Bucharest to Kos, returning Tue, 19 May, priced at €155 found 21 hours ago
Aegean
Sat, 16 May - Mon, 25 May
OTP
Bucharest
KGS
Kos
€156 Return, found 2 hours ago
€156
Return
found 2 hours ago
Select Aegean flight, departing Sat, 16 May from Bucharest to Kos, returning Mon, 25 May, priced at €156 found 2 hours ago
Aegean
Fri, 5 Dec - Tue, 9 Dec
OTP
Bucharest
KGS
Kos
€165 Return, found 20 hours ago
€165
Return
found 20 hours ago
Select Aegean flight, departing Fri, 5 Dec from Bucharest to Kos, returning Tue, 9 Dec, priced at €165 found 20 hours ago
Aegean
Sat, 16 May - Tue, 19 May
OTP
Bucharest
KGS
Kos
€172 Return, found 21 hours ago
€172
Return
found 21 hours ago
Select Aegean flight, departing Sat, 16 May from Bucharest to Kos, returning Tue, 19 May, priced at €172 found 21 hours ago
Aegean
Thu, 4 Dec - Mon, 8 Dec
OTP
Bucharest
KGS
Kos
€179 Return, found 5 days ago
€179
Return
found 5 days ago
Select Aegean flight, departing Thu, 4 Dec from Bucharest to Kos, returning Mon, 8 Dec, priced at €179 found 5 days ago
Aegean
Fri, 5 Dec - Tue, 9 Dec
OTP
Bucharest
KGS
Kos
€187 Return, found 20 hours ago
€187
Return
found 20 hours ago
Select Aegean flight, departing Fri, 5 Dec from Bucharest to Kos, returning Tue, 9 Dec, priced at €187 found 20 hours ago
Aegean
Sat, 16 May - Mon, 25 May
OTP
Bucharest
KGS
Kos
€189 Return, found 2 hours ago
€189
Return
found 2 hours ago
Select Aegean flight, departing Sat, 16 May from Bucharest to Kos, returning Mon, 25 May, priced at €189 found 2 hours ago
Aegean
Sat, 16 May - Mon, 25 May
OTP
Bucharest
KGS
Kos
€201 Return, found 2 hours ago
€201
Return
found 2 hours ago
Select Aegean flight, departing Sat, 16 May from Bucharest to Kos, returning Mon, 25 May, priced at €201 found 2 hours ago
Aegean
Wed, 12 Aug - Sun, 23 Aug
OTP
Bucharest
KGS
Kos
€203 Return, found 19 hours ago
€203
Return
found 19 hours ago
Select Aegean flight, departing Wed, 12 Aug from Bucharest to Kos, returning Sun, 23 Aug, priced at €203 found 19 hours ago
Bucharest to Kos route information
Origin airport
Henri Coanda Intl.
Destination airport
Kos Island Intl.
Airlines serving
Aegean, Austrian Airlines, Lufthansa, Swiss International Air Lines
Popular airline
Aegean
Distance
862 km

Frequently asked questions

How much is an Aegean Airlines flight from Henri Coanda Intl. Airport (OTP) to Kos Island Intl. Airport (KGS)?
Make use of the "Price (lowest to highest)" filter on Expedia to search for cheap Aegean Airlines return flights from €140 from OTP to KGS. Affordable one-way fares from €75 are also available.**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 OTP to KGS with Aegean Airlines?
Aegean Airlines flights to Kos tend to be more affordable in the off-peak months of December and February. Whether you need a one-way or a return ticket, you could score a better deal then.
Does Aegean Airlines fly nonstop from Henri Coanda Intl. Airport (OTP) to Kos Island Intl. Airport (KGS)?
To see if there's a direct route from OTP to KGS with Aegean Airlines or any other airlines, check the "Nonstop" box when looking for flights.
What airports does Aegean Airlines fly into in Kos?
Aegean Airlines flights from Henri Coanda Intl. Airport (OTP) to Kos come in to Kos Island Intl. Airport (KGS). This is the main gateway here.
What kind of luggage can I take on an Aegean Airlines flight from Henri Coanda Intl. Airport (OTP) to Kos Island Intl. Airport (KGS)?
On a standard economy flight with Aegean Airlines from OTP to KGS, you can bring 1 checked-in bag up to 23 kgs (50 lbs) with dimensions no larger than 157 centimetres in total. For hand luggage, you're permitted 2 cabin bags weighing up to 13 kgs (28 lbs) and measuring no more than 56 centimetres x 23 centimetres x 43 centimetres. Size and weight limits may differ depending on the airfare type and cabin class you're in. To make sure you won't face extra charges at the terminal, check your Aegean Airlines booking or look up the airline's website before packing.
Can I change or cancel my Aegean Airlines flight from Henri Coanda Intl. Airport (OTP) to Kos Island Intl. Airport (KGS)?
You can usually change or cancel your flight, although additional charges may apply if you made your booking over 24 hours ago. Need flexible options? Apply the "Changes included" and "No cancel fee" filters to find flights that won't charge extra if you have to adjust your plans. To modify your itinerary, head to "Trips," select your flight and click on "Manage Booking" for further information.
*Available to Expedia members.