Cheap Flights from Philadelphia (PHL) to Kos (KGS)

Save on Flight Bookings!

  • Be in the know

    Get alerts if flight prices drop or rise*
  • Book smarter

    Save on select hotels after you book a flight*
  • Find the right fit

    We search billions of combinations of flights to help you find your next adventure

Frequently asked questions

Is it cheaper to buy a plane ticket from Philadelphia Intl. Airport (PHL) to KGS last minute?
Being a spontaneous soul is a fantastic way to see the world, but it isn't always the wisest method to find a bargain plane ticket. Consider booking your Philadelphia Intl. Airport (PHL) to Kos Airport journey well in advance rather than leaving it to the last minute. Based on flight pricing and demand studies in 2022, we have found that the best time to book domestic flights is between 28 – 35 days ahead of the departure date, and international flights three to four months in advance. Save all that spontaneity for when you're exploring Kos Airport!
What airports do you fly into for Kos from Philadelphia?
Kos Island Intl. Airport (KGS), Kalymnos Island National Airport (JKL) and Leros Island Airport (LRS) are your choices when taking off from Philadelphia to Kos. Around 21 kilometers southwest of central Kos, Kos Island Intl. Airport (KGS) is the city's principal entry point. Consider factors like flight arrival and departure times and the distance to your hotel before deciding where you fly into. Tigaki Beach and Asklepion are a couple of terrific attractions to add to your must-see list when you get to your destination.
Can I change the date of my flight from Philadelphia Intl. Airport (PHL) to Kos Island Intl. Airport (KGS)?
It's a cinch to make changes to your Philadelphia Intl. Airport (PHL) to KGS journey yourself. Simply go to the Expedia Trips portal and select "change flight." Search for new flights and choose the one that works best with your plans. You'll see an estimate of applicable flight change fees. You can also head to our Customer Service portal to chat to our Virtual Agent and get answers to your questions.

Travel information

Origin airport
Philadelphia Intl.
Destination airport
Kos Island Intl.
Distance
8329 km

Book with confidence