How much is a flight from Portland to Kos?

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

Pick a travel date to see today’s available fares.

Fares change often — checking several times throughout the week can make a big difference. Booking in advance often means access to lower prices for the Portland - Kos route.

Which airports near Portland or Kos offer flights?

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

• Airports in Portland: Only Portland is currently operating.
• Airports in Kos: Kos is the only airport in use at the moment.

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

Adjust your flight filters for Portland – Kos

Jetcost gives you tools to search smarter. Pick your ideal price range, airline, departure time, and flight type — then compare offers from the best travel agencies and carriers.

Other popular destinations

Planning a trip to Greece? These cities are popular too: Athens, Crete, Kerkyra, Thessaloniki, Thira.

Sorting options let you see the most affordable flights first. Some results may include extra fees shown only at checkout — always read carefully to see what’s included.