What’s the cost of a flight from Boston to Kos?

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

Choose a date to explore the best fares now.

If possible, avoid holiday periods: ticket prices tend to rise quickly and availability drops, especially on busy routes. Morning and evening flights are often in high demand too — book early to get a good fare.

Which departure and arrival airports are available?

Between Boston and Kos, flight options may depend on the combination of airports available.

• Airports in Boston: Only Boston - Logan is currently in operation.
• Airports in Kos: Kos is the only active airport in the area.

Sometimes flying into a nearby city can be more cost-effective. When a city has multiple airports, it’s worth comparing different flight combinations.

Smart ways to search flights from Boston to Kos

Use Jetcost to view tailored results based on what you care about — time, duration, number of stops, or even your preferred booking agency. Results include the best airlines and travel agencies.

Other popular destinations

Flying to Greece? Other travelers also searched: Athens, Crete, Kerkyra, Thessaloniki, Thira.

Prefer non-stop flights? Just activate the filter to skip unnecessary layovers. If your dates are flexible, you can also explore different departure and return combinations to find the best fit.