ORD - KGS

$567 Find Cheap Flights from Chicago to Kos - Compare and Save

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Everything you should know

Cheapest round-trip
$963
Typical prices: $933-$1,187
Multiple Airlines
Thu 10/11Thu 10/18
ORD - KGS • 2 stops
Cheapest one-way
$567
Typical prices: $654-$825
Multiple Airlines
Fri 10/12
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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Flight Deals

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

Sun, Oct 11 - Sun, Oct 18
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
$963Multiple Airlines
Sun, Jan 31 - Sat, Feb 13
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 - 6:25 pmKGS  Kos-ORD Chicago O'Hare Intl
29h 50m2 stops Athens Eleftherios V. Munich Franz Josef Strauss
$1,058Multiple Airlines
Sun, Jan 31 - Sat, Feb 13
Multiple Airlines Logo
8:45 am - 5:35 pmORD  Chicago O'Hare Intl-KGS Kos
24h 50m3 stops Toronto Pearson Intl Frankfurt am Main Athens Eleftherios V.
Multiple Airlines Logo
5:15 pm - 3:30 pmKGS  Kos-ORD Chicago O'Hare Intl
30h 15m2 stops Athens Eleftherios V. Lisbon Humberto Delgado
$1,063Multiple Airlines
Sun, Oct 11 - Sun, Oct 18
Multiple Airlines Logo
8:10 pm - 12:35 amORD  Chicago O'Hare Intl-KGS Kos
20h 25m3 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
$1,081Multiple Airlines
Sun, Oct 11 - Sun, Oct 18
Multiple Airlines Logo
7:25 pm - 8:00 pmORD  Chicago O'Hare Intl-KGS Kos
16h 35m2 stops Reykjavik Keflavik Intl Berlin Brandenburg
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
$1,094Multiple Airlines
Sun, Jan 31 - Sat, Feb 13
Multiple Airlines Logo
7:05 am - 5:35 pmORD  Chicago O'Hare Intl-KGS Kos
26h 30m3 stops Montreal Pierre Elliott Trudeau Intl Rome Fiumicino Athens Eleftherios V.
Multiple Airlines Logo
2:05 pm - 3:30 pmKGS  Kos-ORD Chicago O'Hare Intl
33h 25m3 stops Athens Eleftherios V. Rome Fiumicino Lisbon Humberto Delgado
$1,133Multiple Airlines
Sun, Oct 11 - Sun, Oct 18
Multiple Airlines Logo
7:25 pm - 8:00 pmORD  Chicago O'Hare Intl-KGS Kos
16h 35m2 stops Reykjavik Keflavik Intl Berlin Brandenburg
Multiple Airlines Logo
9:00 pm - 2:00 pmKGS  Kos-ORD Chicago O'Hare Intl
25h 00m1 stop Dublin
$1,136Multiple Airlines
Sun, Oct 11 - Sun, Oct 18
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
$1,230Multiple Airlines
Tue, Oct 6 - Sat, Oct 10
Multiple Airlines Logo
7:15 pm - 12:35 pmORD  Chicago O'Hare Intl-KGS Kos
33h 20m3 stops Kastrup Copenhagen Václav Havel Prague Athens Eleftherios V.
Multiple Airlines Logo
11:55 pm - 4:10 pmKGS  Kos-ORD Chicago O'Hare Intl
24h 15m2 stops Václav Havel Prague Kastrup Copenhagen
$1,237Multiple Airlines
Tue, Oct 6 - Sat, Oct 10
Multiple Airlines Logo
7:25 pm - 12:35 amORD  Chicago O'Hare Intl-KGS Kos
21h 10m3 stops Reykjavik Keflavik Intl London Heathrow Athens Eleftherios V.
Multiple Airlines Logo
10:25 pm - 7:50 pmKGS  Kos-ORD Chicago O'Hare Intl
29h 25m3 stops Athens Eleftherios V. Vienna Intl Warsaw Frederic Chopin
$1,277Multiple 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 most popular layover airport when flying from Chicago O'Hare Intl Airport to Kos?

Munich Franz Josef Strauss (MUC) 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 MUC.

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 $1,052. 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 468 minutes over the past 3 months.

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

Cheapest flight

$567
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).

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

    Two cabin classes are available on flights from Chicago O'Hare Intl Airport to Kos:

    • Economy Class
    • Business Class

  • 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 $963 to $8,340. That means the highest observed fare was about 9x higher than the lowest one.

  • How are flight prices from Chicago O'Hare Intl Airport to Kos looking right now?

    One-way fares from Chicago O'Hare Intl Airport to Kos are currently lower than usual. Average one-way flight prices are about $676, which is 12% below the typical average for this route.

  • 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.

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

Information on your arrival and departure airports

Chicago (ORD)
Kos (KGS)