KGS

$723 Find Cheap Flights from Illinois to Kos - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Kos departing on 9/19. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Cheap Flights from Illinois to Kos

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Illinois to Kos that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Illinois to Kos

Wed, Sep 23 - Wed, Sep 30
Multiple Airlines Logo
11:25 am - 12:35 amORD  Chicago O'Hare Intl-KGS Kos
29h 10m3 stops Istanbul Bucharest Otopeni Intl Athens Eleftherios V.
Multiple Airlines Logo
8:10 am - 9:40 amKGS  Kos-ORD Chicago O'Hare Intl
33h 30m3 stops Athens Eleftherios V. Bucharest Otopeni Intl Istanbul
$998Multiple Airlines
Sat, Sep 19 - Sat, Sep 26
Multiple Airlines Logo
7:25 pm - 10:15 pmORD  Chicago O'Hare Intl-KGS Kos
18h 50m2 stops Reykjavik Keflavik Intl Manchester
Multiple Airlines Logo
8:10 am - 5:15 amKGS  Kos-ORD Chicago O'Hare Intl
29h 05m2 stops Athens Eleftherios V. Cairo
$1,046Multiple Airlines
Sat, Sep 19 - Sat, Sep 26
Multiple Airlines Logo
7:25 pm - 10:15 pmORD  Chicago O'Hare Intl-KGS Kos
18h 50m2 stops Reykjavik Keflavik Intl Manchester
Multiple Airlines Logo
8:10 am - 5:15 amKGS  Kos-ORD Chicago O'Hare Intl
29h 05m2 stops Athens Eleftherios V. Cairo
$1,061Multiple Airlines
Wed, Sep 23 - Wed, Sep 30
Multiple Airlines Logo
8:10 pm - 12:35 amORD  Chicago O'Hare Intl-KGS Kos
20h 25m2 stops Istanbul Athens Eleftherios V.
Multiple Airlines Logo
6:00 am - 9:40 amKGS  Kos-ORD Chicago O'Hare Intl
35h 40m2 stops Athens Eleftherios V. Istanbul
$1,065Multiple Airlines
Sat, Sep 19 - Sat, Sep 26
Multiple Airlines Logo
7:25 pm - 10:15 pmORD  Chicago O'Hare Intl-KGS Kos
18h 50m2 stops Reykjavik Keflavik Intl Manchester
Multiple Airlines Logo
12:40 pm - 1:21 pmKGS  Kos-ORD Chicago O'Hare Intl
32h 41m3 stops Paris Orly Montreal Pierre Elliott Trudeau Intl Toronto Island
$1,078Multiple Airlines
Wed, Sep 23 - Wed, Sep 30
Multiple Airlines Logo
7:25 pm - 7:30 amORD  Chicago O'Hare Intl-KGS Kos
28h 05m3 stops Reykjavik Keflavik Intl London Heathrow Athens Eleftherios V.
Multiple Airlines Logo
4:20 pm - 3:10 pmKGS  Kos-ORD Chicago O'Hare Intl
30h 50m2 stops Vienna Intl Warsaw Frederic Chopin
$1,084Multiple Airlines
Sat, Sep 19 - Sat, Sep 26
Multiple Airlines Logo
7:25 pm - 10:15 pmORD  Chicago O'Hare Intl-KGS Kos
18h 50m2 stops Reykjavik Keflavik Intl Manchester
Multiple Airlines Logo
6:10 pm - 4:10 pmKGS  Kos-ORD Chicago O'Hare Intl
30h 00m3 stops Athens Eleftherios V. Cairo Amman Queen Alia Intl
$1,091Multiple Airlines
Sat, Sep 19 - Sat, Sep 26
Multiple Airlines Logo
11:25 am - 12:35 amORD  Chicago O'Hare Intl-KGS Kos
29h 10m3 stops Istanbul Sofia Athens Eleftherios V.
Multiple Airlines Logo
6:00 am - 9:40 amKGS  Kos-ORD Chicago O'Hare Intl
35h 40m3 stops Athens Eleftherios V. Sofia Istanbul
$1,101Multiple Airlines
Sat, Sep 19 - Sat, Sep 26
Multiple Airlines Logo
11:25 am - 12:35 amORD  Chicago O'Hare Intl-KGS Kos
29h 10m3 stops Istanbul Sofia Athens Eleftherios V.
Multiple Airlines Logo
6:00 am - 9:40 amKGS  Kos-ORD Chicago O'Hare Intl
35h 40m3 stops Athens Eleftherios V. Sofia Istanbul
$1,127Multiple Airlines
Wed, Sep 16 - Sun, Sep 20
Multiple Airlines Logo
12:55 pm - 8:20 pmORD  Chicago O'Hare Intl-KGS Kos
23h 25m2 stops Washington, D.C. Dulles Intl Vienna Intl
Multiple Airlines Logo
3:15 pm - 12:35 pmKGS  Kos-ORD Chicago O'Hare Intl
29h 20m1 stop Zurich
$1,146Multiple Airlines
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Good to know

Cheapest flight

$723
Flight from Chicago to Kos

FAQs for booking flights from Illinois to Kos

  • How does KAYAK find such low prices on flights from Illinois to Kos?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Kos.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Kos?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Kos from Illinois is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Illinois to Kos?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Kos with an airline and back to Illinois with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Kos?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Kos from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight to Kos

Information on the airport you'll fly into in Kos

Kos (KGS)