DEN - KGS

$1,277 Find Cheap Flights from Denver to Kos - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$1,171
Typical prices: $1,087-$1,379
SWISS
Fri 10/26Fri 11/2
DEN - KGS • 2 stops
Nonstop flights
Not available
There are currently no direct flights between Denver and Kos. You'll need to take a connecting flight to reach the destination.
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Flight Deals

Cheap Flights from Denver to Kos (DEN-KGS)

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

Recent round-trip flight deals from Denver to Kos

Wed, Oct 7 - Fri, Oct 16
Multiple Airlines Logo
11:25 am - 7:10 pmDEN  Denver Intl-KGS Kos
22h 45m3 stops Montreal Pierre Elliott Trudeau Intl London Heathrow Duesseldorf Intl
Multiple Airlines Logo
6:00 am - 11:08 pmKGS  Kos-DEN Denver Intl
26h 08m3 stops Athens Eleftherios V. London Heathrow Vancouver Intl
$1,277Multiple Airlines
Wed, Oct 7 - Fri, Oct 16
Austrian Airlines Logo
11:35 am - 8:20 pmDEN  Denver Intl-KGS Kos
23h 45m2 stops Toronto Pearson Intl Vienna Intl
Austrian Airlines Logo
9:40 pm - 5:50 pmKGS  Kos-DEN Denver Intl
29h 10m2 stops Vienna Intl Chicago O'Hare Intl
$1,277Austrian Airlines
Fri, Oct 30 - Fri, Nov 6
Multiple Airlines Logo
5:15 pm - 7:35 pmDEN  Denver Intl-KGS Kos
18h 20m1 stop Munich Franz Josef Strauss
Multiple Airlines Logo
8:40 pm - 3:35 pmKGS  Kos-DEN Denver Intl
27h 55m2 stops Athens Eleftherios V. Frankfurt am Main
$1,385Multiple Airlines
Wed, Oct 7 - Fri, Oct 16
Multiple Airlines Logo
9:40 am - 4:15 pmDEN  Denver Intl-KGS Kos
21h 35m3 stops Montreal Pierre Elliott Trudeau Intl Frankfurt am Main Berlin Brandenburg
Multiple Airlines Logo
10:25 pm - 6:25 pmKGS  Kos-DEN Denver Intl
29h 00m2 stops Dublin Istanbul
$1,907Multiple Airlines
Wed, Oct 7 - Fri, Oct 16
Multiple Airlines Logo
5:40 pm - 6:55 pmDEN  Denver Intl-KGS Kos
16h 15m1 stop Frankfurt am Main
Multiple Airlines Logo
11:40 pm - 6:25 pmKGS  Kos-DEN Denver Intl
51h 45m2 stops Birmingham Istanbul
$3,232Multiple Airlines
Fri, Oct 30 - Fri, Nov 6
Multiple Airlines Logo
6:25 pm - 7:35 pmDEN  Denver Intl-KGS Kos
17h 10m2 stops Frankfurt am Main Munich Franz Josef Strauss
Multiple Airlines Logo
5:15 pm - 2:30 pmKGS  Kos-DEN Denver Intl
30h 15m2 stops Athens Eleftherios V. Munich Franz Josef Strauss
$4,875Multiple Airlines
Wed, Oct 7 - Fri, Oct 16
Multiple Airlines Logo
5:40 pm - 6:55 pmDEN  Denver Intl-KGS Kos
16h 15m1 stop Frankfurt am Main
Multiple Airlines Logo
11:10 am - 3:40 pmKGS  Kos-DEN Denver Intl
37h 30m1 stop Frankfurt am Main
$4,938Multiple Airlines
Useful Info

When to book flights from Denver to Kos

Are your dates flexible? Find out the best times to travel from Denver 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 Denver 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 Denver to Kos?

    Flights from Denver to Kos usually depart from Denver Intl (DEN) and arrive at Kos (KGS).

  • What cabin classes can I book on flights from Denver to Kos?

    Only Economy Class is available on flights from Denver to Kos.

  • How long is a flight from Denver to Kos?

    A nonstop flight from Denver to Kos takes 0h 00m, covering 6,315 miles.

  • Do I need a passport to fly from Denver 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 Denver 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 $1,277 to $4,938. That means the highest observed fare was about 4x higher than the lowest one.

  • What is the time difference between Denver and Kos?

    Kos is 9 hours ahead of Denver (Eastern European Time vs Mountain 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 Denver to Kos flight?

    Round-trip flights from Denver to Kos range from $1,087 to $1,379, with an average of $1,137 over the past 12 months. Anything below $1,087 counts as a good deal.

More options for your flight from Denver to Kos

Complete your trip to Kos with a hotel stay or car rental

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