ORD - KGS

$982 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
$982
Typical prices: $933-$1,187
Multiple Airlines
Sun 9/30Sun 10/7
ORD - KGS • 3 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, Sep 30 - Wed, Oct 7
Multiple Airlines Logo
11:25 am - 12:35 amORD  Chicago O'Hare Intl-KGS Kos
29h 10m3 stops Istanbul Tirana Rinas Athens Eleftherios V.
Multiple Airlines Logo
6:00 am - 9:40 amKGS  Kos-ORD Chicago O'Hare Intl
35h 40m3 stops Athens Eleftherios V. Tirana Rinas Istanbul
$982Multiple Airlines
Wed, Sep 30 - Wed, Oct 7
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
10:25 pm - 9:40 amKGS  Kos-ORD Chicago O'Hare Intl
19h 15m2 stops Athens Eleftherios V. Istanbul
$1,063Multiple Airlines
Wed, Sep 30 - Wed, Oct 7
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
8:40 pm - 12:35 pmKGS  Kos-ORD Chicago O'Hare Intl
23h 55m1 stop Zurich
$1,140Multiple Airlines
Wed, Sep 30 - Wed, Oct 7
Austrian Airlines Logo
12:55 pm - 8:20 pmORD  Chicago O'Hare Intl-KGS Kos
23h 25m2 stops Washington, D.C. Dulles Intl Vienna Intl
Austrian Airlines Logo
9:40 pm - 1:20 pmKGS  Kos-ORD Chicago O'Hare Intl
23h 40m1 stop Vienna Intl
$1,151Austrian Airlines
Wed, Sep 30 - Wed, Oct 7
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
9:40 pm - 8:12 pmKGS  Kos-ORD Chicago O'Hare Intl
30h 32m2 stops Vienna Intl Montreal Pierre Elliott Trudeau Intl
$1,186Multiple Airlines
Wed, Sep 30 - Wed, Oct 7
Multiple Airlines Logo
4:20 pm - 12:35 amORD  Chicago O'Hare Intl-KGS Kos
24h 15m1 stop Athens Eleftherios V.
Multiple Airlines Logo
1:30 pm - 7:55 pmKGS  Kos-ORD Chicago O'Hare Intl
14h 25m1 stop Frankfurt am Main
$1,577Multiple 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 - 3:45 pmKGS  Kos-ORD Chicago O'Hare Intl
29h 40m2 stops Athens Eleftherios V. Dubai Intl
$1,818Emirates
Fri, Oct 16 - Tue, Oct 20
Emirates Logo
8:35 pm - 5:35 pmORD  Chicago O'Hare Intl-KGS Kos
37h 00m2 stops Dubai Intl Athens Eleftherios V.
Emirates Logo
1:05 pm - 3:45 pmKGS  Kos-ORD Chicago O'Hare Intl
34h 40m2 stops Athens Eleftherios V. Dubai Intl
$1,868Emirates
Wed, Sep 30 - Wed, Oct 7
Multiple Airlines Logo
4:15 pm - 5:35 pmORD  Chicago O'Hare Intl-KGS Kos
17h 20m1 stop Athens Eleftherios V.
Multiple Airlines Logo
1:30 pm - 7:55 pmKGS  Kos-ORD Chicago O'Hare Intl
14h 25m1 stop Frankfurt am Main
$2,292Multiple Airlines
Wed, Sep 30 - Wed, Oct 7
Multiple Airlines Logo
12:00 pm - 8:50 pmORD  Chicago O'Hare Intl-KGS Kos
24h 50m2 stops Orlando London Gatwick
Multiple Airlines Logo
9:45 pm - 11:33 pmKGS  Kos-ORD Chicago O'Hare Intl
33h 48m3 stops London Gatwick Orlando Miami
$3,087Multiple 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 ($1,151) and Emirates ($1,818) are the cheapest airlines to fly round-trip from Chicago O'Hare Intl Airport to Kos according to KAYAK data over the last 5 days.

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

Cheapest flight

$982
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.

  • 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 $982 to $3,087. That means the highest observed fare was about 3x 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).

  • 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)