$66 Cheap Aegean flights Heraklion (HER) to Kos (KGS)

Landing cheap one-way Aegean Airlines flights from HER to KGS from $66 on Expedia is a cinch — just filter by “Price (lowest to highest).” Or check out our affordable return fares from $167 for your next adventure.**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.

December is one of the least expensive months to get away to Kos with Aegean Airlines. You could also find excellent prices on one-way and return fares in February.

Begin your search one to three months ahead of your departure date to score cheap fares on Aegean Airlines flights from Nikos Kazantzakis Airport (HER) to Kos Island Intl. Airport (KGS). You can save 25% by booking your domestic flight 34 to 86 days in advance compared to last-minute reservations made 6 to 12 days out. You could also reduce costs by buying your fare on a Sunday, as it’s 6% cheaper on average than a Monday, the most expensive day to book.* Get your timing spot on, and you can enjoy significant savings on domestic trips.*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.

To find out if there’s a direct route from HER to KGS with Aegean Airlines or another carrier, select the “Nonstop” filter when searching for tickets.

Sort your results by “Early Morning” and “Morning” to find the earliest departures from HER to KGS. Leaving early means you’re 20% less likely to experience 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.

Kos Island Intl. Airport (KGS) is the main Kos gateway for Aegean Airlines flights from Nikos Kazantzakis Airport (HER).

Aegean Airlines allows you to bring 1 checked-in bag weighing up to 50 lb with dimensions not exceeding 62 inches on standard economy flights from HER to KGS. Additionally, you can take 2 cabin bags in the cabin. This carry-on luggage must not exceed 22 inches x 9 inches x 17 inches and weigh no more than 28 lb. Baggage rules can vary depending on the cabin class and fare type, so double-check your booking or Aegean Airlines’s website to avoid paying additional fees at the airport.

Taking off from HER to KGS with Aegean Airlines comes with a host of benefits, including a 4-star airline rating and top-tier customer service. Plus, when you book through Expedia, One Key™ members can earn OneKeyCash™* to use on select future travel purchases. That’s on top of the Miles+Bonus points you can earn with Aegean Airlines.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Changes are often free within 24 hours of making your booking, but your airline may charge you after that. For more details about altering your reservation, go to your “Trips,” select your flight and click on “Manage Booking.” If you want the freedom to change your itinerary without extra charges, apply the “No cancel fee” or “Changes included” filter when planning your trip.