ORD - KGS

$932 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
$932
Typical prices: $933-$1,187
Multiple Airlines
Tue 10/30Tue 11/6
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.
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Top layover airports
Zurich (ZRH)
Cheapest • Avg $1,052 (round-trip)
Munich Franz Josef Strauss (MUC)
Shortest trip • 13h 30m (one-way)
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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

Fri, Oct 30 - Fri, Nov 6
Multiple Airlines Logo
12:45 pm - 9:15 pmORD  Chicago O'Hare Intl-KGS Kos
25h 30m2 stops Istanbul Athens Eleftherios V.
Multiple Airlines Logo
5:00 pm - 11:00 amKGS  Kos-ORD Chicago O'Hare Intl
26h 00m2 stops Athens Eleftherios V. Istanbul
$932Multiple Airlines
Fri, Oct 30 - Fri, Nov 6
Multiple Airlines Logo
5:10 pm - 9:50 amORD  Chicago O'Hare Intl-KGS Kos
33h 40m1 stop Zurich
Multiple Airlines Logo
8:40 pm - 1:10 pmKGS  Kos-ORD Chicago O'Hare Intl
24h 30m2 stops Athens Eleftherios V. Frankfurt am Main
$1,223Multiple Airlines
Fri, Oct 30 - Fri, Nov 6
Multiple Airlines Logo
7:30 pm - 6:05 pmORD  Chicago O'Hare Intl-KGS Kos
15h 35m2 stops Reykjavik Keflavik Intl Munich Franz Josef Strauss
Multiple Airlines Logo
2:05 pm - 2:25 pmKGS  Kos-ORD Chicago O'Hare Intl
32h 20m3 stops Athens Eleftherios V. Barcelona-El Prat Amsterdam Schiphol
$1,241Multiple Airlines
Fri, Oct 30 - Fri, Nov 6
Multiple Airlines Logo
11:35 pm - 7:45 amORD  Chicago O'Hare Intl-KGS Kos
25h 10m3 stops Frankfurt am Main Berlin Brandenburg Athens Eleftherios V.
Multiple Airlines Logo
8:40 pm - 6:25 pmKGS  Kos-ORD Chicago O'Hare Intl
29h 45m3 stops Athens Eleftherios V. Berlin Brandenburg Munich Franz Josef Strauss
$1,333Multiple Airlines
Sun, Oct 18 - Thu, Oct 22
Emirates Logo
8:35 pm - 5:35 pmORD  Chicago O'Hare Intl-KGS Kos
37h 00m2 stops Dubai Intl Athens Eleftherios V.
Emirates Logo
6:05 pm - 4:00 pmKGS  Kos-ORD Chicago O'Hare Intl
29h 55m2 stops Athens Eleftherios V. Dubai Intl
$1,865Emirates
Sun, Oct 18 - Thu, Oct 22
Emirates Logo
8:35 pm - 5:35 pmORD  Chicago O'Hare Intl-KGS Kos
37h 00m2 stops Dubai Intl Athens Eleftherios V.
Emirates Logo
6:05 pm - 4:00 pmKGS  Kos-ORD Chicago O'Hare Intl
29h 55m2 stops Athens Eleftherios V. Dubai Intl
$1,866Emirates
Sun, Dec 20 - Fri, Jan 1
Multiple Airlines Logo
7:05 am - 5:35 pmORD  Chicago O'Hare Intl-KGS Kos
26h 30m2 stops Montreal Pierre Elliott Trudeau Intl Athens Eleftherios V.
Multiple Airlines Logo
9:45 pm - 4:50 pmKGS  Kos-ORD Chicago O'Hare Intl
27h 05m2 stops Athens Eleftherios V. Belgrade Nikola Tesla
$2,013Multiple Airlines
Sun, Dec 20 - Fri, Jan 1
Multiple Airlines Logo
7:05 am - 5:35 pmORD  Chicago O'Hare Intl-KGS Kos
26h 30m2 stops Montreal Pierre Elliott Trudeau Intl Athens Eleftherios V.
Multiple Airlines Logo
8:35 pm - 4:50 pmKGS  Kos-ORD Chicago O'Hare Intl
28h 15m3 stops Athens Eleftherios V. Thessaloniki Makedonia Belgrade Nikola Tesla
$2,015Multiple Airlines
Sun, Dec 20 - Fri, Jan 1
Multiple Airlines Logo
10:05 am - 9:15 pmORD  Chicago O'Hare Intl-KGS Kos
27h 10m3 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl Athens Eleftherios V.
Multiple Airlines Logo
8:35 pm - 4:50 pmKGS  Kos-ORD Chicago O'Hare Intl
28h 15m3 stops Athens Eleftherios V. Thessaloniki Makedonia Belgrade Nikola Tesla
$2,070Multiple 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?

Emirates ($1,865) offered the cheapest round-trip ticket from Chicago O'Hare Intl Airport to Kos in the last 5 days.

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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).

  • What cabin classes can I book on flights from Chicago O'Hare Intl Airport to Kos?

    Only Business Class is available on flights from Chicago O'Hare Intl Airport to Kos.

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

    One-stop flights from Chicago O'Hare Intl Airport to Kos most commonly connect through:

    • Munich Franz Josef Strauss (MUC) - 50% of one-stop connections
    • Zurich (ZRH) - 33% of one-stop connections
    • Athens Eleftherios V. (ATH) - 17% of one-stop connections

    Munich Franz Josef Strauss (MUC) handles the largest share of one-stop connections 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.

  • 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.

  • Have flight prices from Chicago O'Hare Intl Airport to Kos changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $932 to $2,070. That means the highest observed fare was about 2x higher than the lowest one.

  • 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) and 20h 19m via Zurich (ZRH).

  • 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.

More options for your flight from Chicago to Kos

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