Cheap flights from Chicago O'Hare Intl Airport to Kos from $990
This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago O'Hare Intl Airport to Kos departing on 6/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Austrian Airlines flights from Chicago O'Hare Intl Airport to Kos
Our best Austrian Airlines deals on Chicago O'Hare Intl Airport to Kos flight tickets
SWISS flights from Chicago O'Hare Intl Airport to Kos
Our best SWISS deals on Chicago O'Hare Intl Airport to Kos flight tickets
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How to get the cheapest flight ticket from Chicago O'Hare Intl Airport to Kos
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest day to depart on your flight to Kos?
The cheapest day to depart from Chicago O'Hare Intl Airport to Kos is on a Wednesday when prices can be found for as low as $982. On the other hand, Tuesday is the most expensive day to depart from Chicago O'Hare Intl Airport because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,444.
What is the cheapest time of day to depart on your flight to Kos?
Flying to Kos from Chicago O'Hare Intl Airport in the evening is the least expensive time of day to depart. momondo users have found prices as low as $710 when looking at flights departing in the evening. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $1,086 on average. Flights to Kos from Chicago O'Hare Intl Airport in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.
When to book flights from Chicago O'Hare Intl Airport to Kos
Cheap Chicago O'Hare Intl Airport to Kos (ORD to KGS) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to Kos
How far is Chicago O'Hare Intl to Kos by plane?
A flight from Chicago O'Hare Intl to Kos will travel around 5624.6 mi. 12h 15m is a normal flight duration for this route.
When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Kos Airport?
Prices for flights from Chicago O'Hare Intl Airport to Kos Airport refresh daily.
How many operators does momondo search for flights from Chicago O'Hare Intl Airport to Kos Airport?
There is 1 operator available for flights from Chicago O'Hare Intl Airport to Kos Airport as of May 2025.
How old do you have to be to fly from Chicago O'Hare Intl Airport to Kos Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Chicago O'Hare Intl Airport to Kos Airport.
What documentation or ID do you need to fly to Kos Airport?
The required travel and health documents for your Kos Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Kos Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Chicago O'Hare Intl Airport to Kos?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Chicago O'Hare Intl Airport to Kos is SWISS (100% of total bookings).
Best airlines flying from Chicago O'Hare Intl Airport to Kos
Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to Kos with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $613 | Free Cancellation | Rating 7.5 1,589 reviews |
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Why should I use momondo to find a flight deal from Chicago to Kos?
It is quick and easy to find Chicago to Kos flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Kos that suits you.
Can I find flights from Chicago to Kos with flexible booking policies on momondo?
Flights from Chicago to Kos with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.
How can momondo help me find flights from Chicago to Kos?
Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Kos from Chicago.
I’m not ready to book a flight from Chicago to Kos right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to Kos from Chicago. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.