$82 Cheap Aegean flights Sofia (SOF) to Kos (KGS)

Apply the “Price (lowest to highest)” filter on Expedia to look for cheap Aegean Airlines return flights from $182 from SOF to KGS. Affordable one-way tickets from $82 are also on offer.**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.

Aegean Airlines flights to Kos are generally more affordable in the off-peak months of December and February. Whether you’re after a round-trip or one-way ticket, you could find a better deal then.

Snagging the best Aegean Airlines deals from SOF to KGS often comes down to booking at the right time. You can save 17% on international flights when you book 18 to 29 days before takeoff instead of four to five months ahead. As an added bonus, you can pocket 17% on average by buying your fare on a Sunday rather than a Friday, which is often the most expensive day to book.* It’s a good idea to start checking out flights about one month before you want to travel.*Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC’s global airline sales database.

Simply enter your dates, hit search and tick the “Nonstop” filter on Expedia to find any direct flights from SOF to KGS with Aegean Airlines or other carriers.

Search Aegean Airlines’s earliest flights from SOF to KGS by using our “Early Morning” and “Morning” filters. Not only will you arrive at your destination sooner, early departures also experience 20% fewer cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.

Aegean Airlines flights from Sofia Airport (SOF) to Kos come in to land at Kos Island Intl. Airport (KGS). This is the main gateway to this destination.

For checked luggage, you can bring 1 checked-in bag weighing up to 50 lb with dimensions not exceeding 62 inches. You can also travel with 2 cabin bags in the cabin when flying standard economy from SOF to KGS with Aegean Airlines. This carry-on has to weigh less than 28 lb and be no larger than 22 inches x 9 inches x 17 inches. Going above these restrictions can mean extra fees, so read Aegean Airlines’s baggage allowance rules before you pack.

Aegean Airlines makes traveling from SOF to KGS more comfortable with a 4-star airline rating and top-tier customer service. You could even start earning points with Miles+Bonus. Remember to sign up to Expedia’s free One Key™ rewards program to earn OneKeyCash™*, which can be redeemed on future trips.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Changes are usually free within 24 hours of booking, but your airline may charge a fee after that time. For more details about altering your reservation, go to your “Trips,” select your flight and click on “Manage Booking.” If you’d like the flexibility to change your itinerary without being charged, tick the “Changes included” and “No cancel fee” filters when planning your next trip.