ORD - KGS

$957 Find Cheap Flights from Chicago to Kos - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$957
Typical prices: $933-$1,187
Multiple Airlines
Sun 10/7Sun 10/14
ORD - KGS • 2 stops
Nonstop flights
Not available
There are currently no direct flights between Chicago O'Hare Intl Airport and Kos. You'll need to take a connecting flight to reach the destination.
Insights
Insights
Top layover airports
Munich Franz Josef Strauss (MUC)
Cheapest • Avg $1,381 (round-trip)
Athens Eleftherios V. (ATH)
Shortest trip • 14h 44m (one-way)
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Insights
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Cheap Flights from Chicago to Kos (ORD-KGS)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Chicago to Kos

Wed, Oct 7 - Wed, Oct 14
Multiple Airlines Logo
11:25 am - 12:35 amORD  Chicago O'Hare Intl-KGS Kos
29h 10m2 stops Istanbul Athens Eleftherios V.
Multiple Airlines Logo
8:35 am - 9:40 amKGS  Kos-ORD Chicago O'Hare Intl
33h 05m2 stops Athens Eleftherios V. Istanbul
$957Multiple Airlines
Wed, Oct 7 - Wed, Oct 14
Multiple Airlines Logo
11:25 am - 12:35 amORD  Chicago O'Hare Intl-KGS Kos
29h 10m3 stops Istanbul Thessaloniki Makedonia Athens Eleftherios V.
Multiple Airlines Logo
11:50 am - 9:40 amKGS  Kos-ORD Chicago O'Hare Intl
29h 50m2 stops Thessaloniki Makedonia Istanbul
$987Multiple Airlines
Wed, Oct 7 - Wed, Oct 14
Multiple Airlines Logo
11:25 am - 9:55 pmORD  Chicago O'Hare Intl-KGS Kos
26h 30m3 stops Istanbul Thessaloniki Makedonia Athens Eleftherios V.
Multiple Airlines Logo
8:10 am - 9:40 amKGS  Kos-ORD Chicago O'Hare Intl
33h 30m3 stops Athens Eleftherios V. Thessaloniki Makedonia Istanbul
$995Multiple Airlines
Wed, Oct 7 - Wed, Oct 14
Multiple Airlines Logo
12:59 pm - 8:20 pmORD  Chicago O'Hare Intl-KGS Kos
23h 21m2 stops Toronto Pearson Intl Vienna Intl
Multiple Airlines Logo
1:30 pm - 7:55 pmKGS  Kos-ORD Chicago O'Hare Intl
14h 25m1 stop Frankfurt am Main
$1,115Multiple Airlines
Sun, Sep 20 - Sun, Sep 27
Multiple Airlines Logo
4:20 pm - 8:00 pmORD  Chicago O'Hare Intl-KGS Kos
19h 40m1 stop Vienna Intl
Multiple Airlines Logo
3:15 pm - 12:35 pmKGS  Kos-ORD Chicago O'Hare Intl
29h 20m1 stop Zurich
$1,159Multiple Airlines
Sun, Sep 20 - Sun, Sep 27
Austrian Airlines Logo
4:20 pm - 8:00 pmORD  Chicago O'Hare Intl-KGS Kos
19h 40m1 stop Vienna Intl
Austrian Airlines Logo
10:00 am - 5:05 pmKGS  Kos-ORD Chicago O'Hare Intl
39h 05m2 stops Vienna Intl Washington, D.C. Dulles Intl
$1,186Austrian Airlines
Wed, Oct 7 - Wed, Oct 14
Multiple Airlines Logo
3:35 pm - 6:10 pmORD  Chicago O'Hare Intl-KGS Kos
18h 35m1 stop Munich Franz Josef Strauss
Multiple Airlines Logo
10:20 am - 6:15 pmKGS  Kos-ORD Chicago O'Hare Intl
15h 55m1 stop Munich Franz Josef Strauss
$1,336Multiple Airlines
Sun, Sep 20 - Sun, Sep 27
Multiple Airlines Logo
7:25 pm - 11:15 pmORD  Chicago O'Hare Intl-KGS Kos
19h 50m2 stops Reykjavik Keflavik Intl Rome Fiumicino
Multiple Airlines Logo
6:00 am - 7:50 pmKGS  Kos-ORD Chicago O'Hare Intl
21h 50m3 stops Athens Eleftherios V. Vienna Intl Warsaw Frederic Chopin
$1,350Multiple Airlines
Sun, Sep 20 - Sun, Sep 27
Multiple Airlines Logo
3:40 pm - 8:05 amORD  Chicago O'Hare Intl-KGS Kos
32h 25m3 stops Montreal Pierre Elliott Trudeau Intl Milan Malpensa Athens Eleftherios V.
Multiple Airlines Logo
6:10 pm - 8:12 pmKGS  Kos-ORD Chicago O'Hare Intl
34h 02m3 stops Athens Eleftherios V. Milan Malpensa Montreal Pierre Elliott Trudeau Intl
$1,372Multiple Airlines
Sun, Sep 20 - Sun, Sep 27
Multiple Airlines Logo
7:25 pm - 11:15 pmORD  Chicago O'Hare Intl-KGS Kos
19h 50m2 stops Reykjavik Keflavik Intl Rome Fiumicino
Multiple Airlines Logo
4:30 pm - 8:35 amKGS  Kos-ORD Chicago O'Hare Intl
48h 05m2 stops Athens Eleftherios V. Abu Dhabi Zayed Intl
$1,398Multiple Airlines
Booking Insights

Price, demand and travel trends for Chicago O'Hare Intl Airport to Kos flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Chicago O'Hare Intl Airport to Kos with more confidence.

What is the cheapest airline to fly from Chicago O'Hare Intl Airport to Kos?

Austrian Airlines ($1,186) offered the cheapest round-trip ticket from Chicago O'Hare Intl Airport to Kos in the last 5 days.

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Key details for Chicago O'Hare Intl Airport to Kos flights

Cheapest flight

$957
Flight from Chicago O'Hare Intl Airport to Kos

When to book flights from Chicago to Kos

Are your dates flexible? Find out the best times to travel from Chicago to Kos based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Chicago O'Hare Intl Airport to Kos flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • Which airports can I use when flying from Chicago O'Hare Intl Airport to Kos?

    Flights from Chicago O'Hare Intl Airport to Kos usually depart from Chicago O'Hare Intl (ORD) and arrive at Kos (KGS).

  • Which airports do connecting flights from Chicago O'Hare Intl Airport to Kos pass through?

    Connecting flights from Chicago O'Hare Intl Airport to Kos most commonly pass through:

    • Munich Franz Josef Strauss (MUC) - 75% of one-stop connections
    • Athens Eleftherios V. (ATH) - 25% of one-stop connections
    Together, these airports account for 100% of one-stop bookings on this route.

  • Can I save money by using flexible dates for flights from Chicago O'Hare Intl Airport to Kos?

    Yes. Being flexible with your travel dates can save you up to 42% on the Chicago O'Hare Intl Airport to Kos route. Thursday is the cheapest departure day at $933 round-trip on average, while Sunday is the most expensive at $1,599, a difference of $666. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How long is a flight from Chicago O'Hare Intl Airport to Kos?

    A nonstop flight from Chicago O'Hare Intl Airport to Kos takes 0h 00m, covering 5,622 miles.

  • What are the earliest and latest flights from Chicago O'Hare Intl Airport to Kos?

    These are the earliest and latest flight times available from Chicago O'Hare Intl Airport to Kos:

    • Earliest: departs at 12:00 am and lands at 12:00 am
    • Latest: departs at 12:00 am and lands at 12:00 am.

    The flight takes about 0h 00m.

  • Do I need a passport to fly from Chicago O'Hare Intl Airport to Kos?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much time can I save by choosing a different layover airport from Chicago O'Hare Intl Airport to Kos?

    Flying via Munich Franz Josef Strauss (MUC) gives the shortest average 1-stop total travel time at 13h 30m, compared with 14h 44m via Athens Eleftherios V. (ATH).

  • What is the time difference between Chicago O'Hare Intl Airport and Kos?

    Kos is 8 hours ahead of Chicago O'Hare Intl Airport (Eastern European Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

  • What car rental options are available at Kos Airport (KGS)?

    Kos Airport (KGS) hosts 5 major car rental companies, with daily rates starting from around $9 for economy cars. Top options include:
    · ABBYCAR
    · Exer Rent a Car
    · Caldera
    · Europcar
    · Alma Car Hire

  • How much should I expect to pay for a Chicago O'Hare Intl Airport to Kos flight?

    Round-trip flights from Chicago O'Hare Intl Airport to Kos range from $933 to $1,187, with an average of $980 over the past 12 months. Anything below $933 counts as a good deal.

Your guide to booking Chicago O'Hare Intl Airport to Kos flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Thursday departure instead of Sunday. On this route, Thursday flights average $933 - about $666 less than Sunday (42% savings) based on the last 12 months.

Everything you need to know for your flight from Chicago to Kos

Information on your arrival and departure airports

Chicago (ORD)
Kos (KGS)