Find out what a flight from Portland to Kos might cost

Prices vary based on date, airline, and availability. Compare several options if you're flying between Portland and Kos.

Select your dates to check current offers.

Try shifting your departure forward or backward by a day to find better options. If you’re looking for a good deal, consider flying outside peak hours as well.

Best airport options between Portland and Kos

If you're open to flying into or out of more than one airport, you’ll have more routes to compare.

• Airports in Portland: Portland is the only operating airport.
• Airports in Kos: Kos is the sole airport currently available.

Some airports offer extras like lounges, fast track, or self check-in — good to keep in mind. Comparing airports by services offered helps you balance cost and comfort.

Refine your flight search from Portland to Kos

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 Greece? These cities are trending: Athens, Crete, Kerkyra, Thessaloniki, Thira.

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.