Flight prices from Kos to Philadelphia

There’s no fixed price — fares between Kos and Philadelphia can vary a lot by day or time.

Choose a date to explore the best fares now.

The lowest fares are often found with some flexibility in travel dates. If your plans are flexible, you’ll have a better chance of finding cheap flights.

Which airports near Kos or Philadelphia offer flights?

In many cases, using a nearby airport can improve your chances of finding direct flights or better rates.

• Airports in Kos: Only Kos is currently operating.
• Airports in Philadelphia: Trenton Mercer is also worth a look.

Secondary airports can offer faster travel thanks to shorter lines and quicker boarding times than major ones.

Refine your flight search from Kos to Philadelphia

With Jetcost, it’s easy to narrow down results to find flights that match your schedule and preferences. You can filter by airline, price, trip type, and more — including offers from the best airlines and travel agencies.

Other popular destinations

Also looking at United States? These cities are trending: Las Vegas, Los Angeles, Miami, New York City, Orlando.

Online agencies can show different offers for the same flight — it’s worth comparing. Filters let you narrow things down further, like selecting a specific time slot to find flights that suit you best.