Leaving on a Wednesday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 19% on the overall cost on flights from Chicago to Kos.
It’s optimal to fly from Chicago to Kos at noon. By choosing this option you can save up to 11% on the cost of your flight, compared to a flight in the morning.
Fly from
Fly to
Budget
$1,105 - $2,357
Route
Depart
Return
Price
Chicago O'Hare IntlKos
ORD - KGS
ORDKGS
Chicago O'Hare Intl
Fri 9/13
1 stop21h 40m
Kos
Mon 9/30
2 stops30h 09m
Chicago O'Hare IntlKos
ORD - KGS
ORDKGS
Chicago O'Hare Intl
Fri 9/13
1 stop19h 50m
Kos
Mon 9/30
1 stop32h 30m
Chicago O'Hare IntlKos
ORD - KGS
ORDKGS
Chicago O'Hare Intl
Fri 9/13
2 stops16h 40m
Kos
Mon 9/30
2 stops33h 05m
Chicago O'Hare IntlKos
ORD - KGS
ORDKGS
Chicago O'Hare Intl
Fri 9/13
2 stops40h 56m
Kos
Mon 9/30
3 stops34h 44m
Crew
Entertainment
Food
Comfort
Boarding
Overall
Reviews
They delete my flight they did not pay me back ! They did not apologize
Deals for Chicago to Kos flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.
Cheapflights simply makes it quick and affordable to book flights from Chicago to Kos by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.
Certainly. Search results for flights to Kos from Chicago shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.
Yes! Start tracking prices for Chicago to Kos flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.