How to find the cheapest flight from
Chicago (CHI) to Kos (KGS)
What is the cheapest day to fly round-trip from Chicago to Kos?
Flying to your destination on a Saturday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to Kos. Check prices with Cheapflights to find a great deal for your trip.
When is the cheapest time to fly from Chicago to Kos (CHI - KGS)?
Unlike in the morning, when flights are generally more expensive, you can save up to 27% on flights from Chicago to Kos by exploring options for tickets in the afternoon.
Related info for your journey
Useful info, stats and facts about Chicago to Kos flights.
Destination information for Kos
Things to know before you go. Useful info for your trip from Chicago to Kos
Chicago Midway (MDW)