$235 Cheap Swiss International Air Lines flights Zürich (ZRH) to Kos (KGS)

Use the “Price (lowest to highest)” filter on Expedia to find cheap SWISS return flights from $369 from ZRH to KGS. Affordable one-way fares from $235 are available as well.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

Look for one-way or round-trip flights to Kos in December or February. You could find an affordable fare with SWISS during these off-season months.

Search for SWISS flights from ZRH to KGS about one month before you want to go. The cheapest time to reserve an international flight is usually 18 to 29 days ahead of your travel date when you can save 17% versus booking four to five months in advance. No matter your itinerary or fare class, the best day to book international airfare is usually Sunday. Friday can be the most expensive. Travelers booking on a Sunday can save 17% on average compared to those who book on a Friday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC’s global airline sales database.

Use the “Nonstop” filter when browsing for direct SWISS flights from ZRH to KGS. You’ll also be able to compare other carriers offering the same nonstop trip.

Find SWISS’s earliest flights from ZRH to KGS by selecting the “Early Morning” and “Morning” filters. Not only will you arrive at your destination sooner, early departures are also 20% less likely to be canceled.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.

Changes are usually free within 24 hours of booking, but your airline may add a charge after that time. For more details about altering your reservation, check out your “Trips,” select your flight and click on “Manage Booking.” If you’d like the flexibility to update your itinerary without additional costs, apply the “Changes included” and “No cancel fee” filters when planning your next break.