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$1,237+ Cheap flights from Colorado to Kos (KGS)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/14. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — KGS
Jan 15 — Jan 221
Thu 1/15
Thu 1/22
1 adult, Economy
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Cheap flight deals from Colorado to Kos

Best flights from Colorado to Kos
Discover carefully curated flight deals from Colorado to Kos that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 16, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 12/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/145:35 pmDEN - KGS
2 stops18h 15mAustrian Airlines
Fri 5/229:40 pmKGS - DEN
2 stops28h 10mAustrian Airlines
Deal found 12/14$1,237
This Ovago deal was found by Cheapflights users on 12/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/145:55 pmDEN - KGS
1 stop29h 55mMultiple Airlines
Fri 5/226:00 amKGS - DEN
2 stops17h 20mMultiple Airlines
Deal found 12/14$1,336

Find flight deals from Colorado to Kos

Keep the following information in mind while searching for Colorado to Kos flight deals. Data was last updated December 16, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$1,237
(Cheapflightsfares)
Provider with most accurate pricing for Denver Intl-Kos flight deals.
Search Deals
Provider most trusted by Cheapflights users for Denver Intl-Kos flights.
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From Colorado to Kos
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Colorado to Kos that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 16, 2025.
Use the filters below to find and compare flights from Colorado to Kos that are best for you.

Fly from

Colorado

Fly to

Kos

Route

Depart

Return

Price

DenverKos

DEN - KGS

DENKGS

Denver Intl

Thu 5/14

5:35 pm-8:50 pm

2 stops18h 15m

Kos

Fri 5/22

9:40 pm-4:50 pm

2 stops28h 10m

$1,237

DenverKos

DEN - KGS

DENKGS

Denver Intl

Thu 5/14

5:55 pm-8:50 am

1 stop29h 55m

Kos

Fri 5/22

6:00 am-2:20 pm

2 stops17h 20m

$1,336

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/14

Best time to book a flight from Colorado to Kos

Have a flexible travel schedule? Discover the best time to fly to Kos from Colorado with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Colorado to Kos
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Colorado to Kos. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Kos from Colorado?

    Most people fly into Kos (KGS) if they book a flight to Kos from Colorado. Kos is conveniently located just 12.8 mi from Kos’s city center.

  • How long is the flight from Colorado to Kos?

    For as low as $1,237, Austrian Airlines can have you in Kos from Colorado in 18h 15m. The distance between Colorado and Kos is about 6315 mi.

  • Can I find deals for flights from Colorado to Kos that include hotel bookings?

    Yes. In addition to deals on Colorado to Kos flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Colorado to Kos?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Colorado to Kos.

  • Can I find deals for business class flights from Colorado to Kos?

    Yes. Cheapflights offers flight deals from Colorado to Kos by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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