ORD - KGS

$986 Find Cheap Flights from Chicago to Kos - Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$986
Typical prices: $958-$1,345
Multiple Airlines
Fri 11/30Fri 12/7
ORD - KGS • 2 stops
Top layover airports
Zurich (ZRH)
Cheapest • Avg $1,107 (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

Mon, Nov 30 - Mon, Dec 7
Multiple Airlines Logo
6:50 pm - 9:15 pmORD  Chicago O'Hare Intl-KGS Kos
18h 25m2 stops Zurich Athens Eleftherios V.
Multiple Airlines Logo
12:00 pm - 4:15 pmKGS  Kos-ORD Chicago O'Hare Intl
36h 15m2 stops Athens Eleftherios V. Zurich
$986Multiple Airlines
Mon, Nov 30 - Mon, Dec 7
Multiple Airlines Logo
4:30 pm - 9:15 pmORD  Chicago O'Hare Intl-KGS Kos
20h 45m3 stops Toronto Pearson Intl Zurich Athens Eleftherios V.
Multiple Airlines Logo
9:45 pm - 1:10 pmKGS  Kos-ORD Chicago O'Hare Intl
23h 25m2 stops Athens Eleftherios V. Frankfurt am Main
$1,037Multiple Airlines
Mon, Nov 30 - Mon, Dec 7
Multiple Airlines Logo
12:50 pm - 9:15 pmORD  Chicago O'Hare Intl-KGS Kos
24h 25m3 stops Toronto Pearson Intl Frankfurt am Main Athens Eleftherios V.
Multiple Airlines Logo
8:35 pm - 7:55 pmKGS  Kos-ORD Chicago O'Hare Intl
31h 20m3 stops Athens Eleftherios V. Istanbul Warsaw Frederic Chopin
$1,390Multiple Airlines
Tue, Dec 15 - Tue, Dec 22
Multiple Airlines Logo
6:30 pm - 7:45 amORD  Chicago O'Hare Intl-KGS Kos
29h 15m3 stops Reykjavik Keflavik Intl Berlin Brandenburg Athens Eleftherios V.
Multiple Airlines Logo
8:35 pm - 9:20 pmKGS  Kos-ORD Chicago O'Hare Intl
32h 45m3 stops Athens Eleftherios V. Tirana Rinas Belgrade Nikola Tesla
$1,393Multiple Airlines
Tue, Dec 15 - Tue, Dec 22
Multiple Airlines Logo
6:30 pm - 7:45 amORD  Chicago O'Hare Intl-KGS Kos
29h 15m3 stops Reykjavik Keflavik Intl Berlin Brandenburg Athens Eleftherios V.
Multiple Airlines Logo
2:05 pm - 5:15 amKGS  Kos-ORD Chicago O'Hare Intl
23h 10m2 stops Athens Eleftherios V. Cairo
$1,516Multiple Airlines
Tue, Dec 15 - Tue, Dec 22
Multiple Airlines Logo
4:20 pm - 8:05 pmORD  Chicago O'Hare Intl-KGS Kos
19h 45m2 stops Frankfurt am Main Athens Eleftherios V.
Multiple Airlines Logo
8:35 pm - 1:10 pmKGS  Kos-ORD Chicago O'Hare Intl
24h 35m2 stops Athens Eleftherios V. Frankfurt am Main
$1,637Multiple 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 with more confidence.

What’s the most popular layover airport when flying from Chicago O'Hare Intl Airport to Kos?

Zurich (ZRH) is the most popular layover for the Chicago O'Hare Intl Airport to Kos route. 50% of KAYAK users who booked 1-stop round-trips over the past 3 months connected via ZRH.

What is the cheapest layover airport when flying from Chicago O'Hare Intl Airport to Kos?

Flights via Zurich (ZRH) offer the most affordable fares, with an average round-trip price of $1,107. Based on KAYAK data over the past 3 months.

When flying from Chicago O'Hare Intl Airport to Kos which airport offers the shortest layover?

Munich Franz Josef Strauss (MUC) had the shortest average connection time for Chicago O'Hare Intl Airport to Kos layovers at 7h 48m over the past 3 months.

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

Cheapest flight

$986
Round-trip 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 answers about this route, including flight times, airports, airlines and booking tips.

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

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

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

    There are currently no nonstop flights available from Chicago O'Hare Intl Airport to Kos. Flights with 1 layover take between 13h 30m and 23h 57m in total, depending on the connection.

  • 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 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 $958 to $1,345, with an average of $1,049 over the past 12 months. Anything below $958 counts as a good deal.

  • 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 varied from about $986 to $1,637. That means the highest observed fare was about 66% higher than the lowest one.

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

    Kos Airport (KGS) hosts 5 major car rental companies, with daily rates averaging $34 for economy cars. Top options include:

    • ABBYCAR
    • Exer Rent a Car
    • Caldera
    • Europcar
    • Alma Car Hire

  • 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?

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

    • Zurich (ZRH) - 50% of one-stop connections
    • Munich Franz Josef Strauss (MUC) - 38% of one-stop connections
    • Athens Eleftherios V. (ATH) - 13% of one-stop connections

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

    Yes. Flexible dates can save you up to 40% on flights from Chicago O'Hare Intl Airport to Kos. Friday is the cheapest departure day at $972 round-trip on average, while Sunday is the most expensive at $1,599, a difference of $627.

    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 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 23h 57m 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.

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 are flexible, aim for a Friday departure and avoid flying on Sunday. On this route, Friday flights average $972, about $627 less than Sunday fares (39% savings) based on the last 12 months.

More options for your flight from Chicago to Kos

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