Kos

$832+ 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 9/23. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — KGS
May 5 — May 121
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Cheap flight deals from Colorado to Kos

Keep the following information in mind while searching for Colorado to Kos flight deals. Data was last updated April 30, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$832
(SWISS)
Provider with most accurate pricing for Denver Intl-Kos flight deals.
Provider most trusted by Cheapflights users for Denver Intl-Kos flights.
From Colorado to Kos

Find flight deals from Colorado to Kos

Cheapest flights from Colorado to Kos
Explore the most affordable flight options available from Colorado to Kos. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 30, 2025.

This SWISS deal was found by Cheapflights users on 4/28. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2311:18 amDEN - KGS
2 stops23h 37mSWISS
Mon 10/1311:00 amKGS - DEN
2 stops38h 02mSWISS
Deal found 4/28$832
This Lufthansa deal was found by Cheapflights users on 4/28. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/234:15 pmDEN - KGS
1 stop17h 50mLufthansa
Wed 10/87:55 pmKGS - DEN
1 stop27h 25mLufthansa
Deal found 4/28$834
This FlightHub deal was found by Cheapflights users on 4/28. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/275:58 pmDEN - KGS
2 stops32h 52mMultiple Airlines
Fri 10/109:35 pmKGS - DEN
2 stops28h 00mMultiple Airlines
Deal found 4/28$904
This Austrian Airlines deal was found by Cheapflights users on 4/28. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/239:40 amDEN - KGS
2 stops26h 10mAustrian Airlines
Fri 10/109:35 pmKGS - DEN
2 stops28h 00mAustrian Airlines
Deal found 4/28$954
This British Airways deal was found by Cheapflights users on 4/28. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/282:06 pmDEN - KGS
2 stops21h 54mBritish Airways
Mon 10/1310:00 pmKGS - DEN
1 stop27h 25mBritish Airways
Deal found 4/28$1,197
This AranGrant deal was found by Cheapflights users on 4/28. 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 AranGrant is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2611:25 amDEN - KGS
2 stops23h 10mBrussels Airlines
Sat 10/118:35 pmKGS - DEN
2 stops30h 43mBrussels Airlines
Deal found 4/28$5,334

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 April 30, 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

Tue 9/23

11:18 am-7:55 pm

2 stops23h 37m

Kos

Mon 10/13

11:00 am-4:02 pm

2 stops38h 02m

$832

DenverKos

DEN - KGS

DENKGS

Denver Intl

Tue 9/23

4:15 pm-7:05 pm

1 stop17h 50m

Kos

Wed 10/8

7:55 pm-2:20 pm

1 stop27h 25m

$834

DenverKos

DEN - KGS

DENKGS

Denver Intl

Sat 9/27

5:58 pm-11:50 am

2 stops32h 52m

Kos

Fri 10/10

9:35 pm-4:35 pm

2 stops28h 00m

$904

DenverKos

DEN - KGS

DENKGS

Denver Intl

Tue 9/23

9:40 am-8:50 pm

2 stops26h 10m

Kos

Fri 10/10

9:35 pm-4:35 pm

2 stops28h 00m

$954

DenverKos

DEN - KGS

DENKGS

Denver Intl

Sun 9/28

6:35 pm-9:00 pm

1 stop17h 25m

Kos

Mon 10/13

10:00 pm-4:25 pm

1 stop27h 25m

$992

DenverKos

DEN - KGS

DENKGS

Denver Intl

Fri 9/26

11:25 am-7:35 pm

2 stops23h 10m

Kos

Sat 10/11

8:35 pm-6:18 pm

2 stops30h 43m

$5,334

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

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

Rainfall in Kos by month

Plan your trip to Kos by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Kos ranges from 0.1 - 6.7 inches per month. January is typically the wettest month, when rainfall can reach 6.7 in. July is typically the driest time to visit Kos when rainfall is around 0.1 in.

Temperature in Kos by month

Plan your trip to Kos by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Kos, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of February, when temperatures are typically at their lowest (around 50.0 F).

Reviews of airlines servicing Kos

Get insights into the airlines that provide service to Kos. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Kos. Reviews last updated April 30, 2025.

Crew

8.1

Comfort

7.3

Entertainment

6.7

Food

6.7

Overall

7.6

Boarding

7.6

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.

Crew

8.1

Comfort

7.3

Entertainment

6.7

Food

6.7

Overall

7.6

Boarding

7.6

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.

Crew

8.1

Comfort

7.3

Entertainment

6.7

Food

6.7

Overall

7.6

Boarding

7.6

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.

Crew

8.1

Comfort

7.3

Entertainment

6.7

Food

6.7

Overall

7.6

Boarding

7.6

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.

Crew

8.1

Comfort

7.3

Entertainment

6.7

Food

6.7

Overall

7.6

Boarding

7.6

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.

Crew

8.1

Comfort

7.3

Entertainment

6.7

Food

6.7

Overall

7.6

Boarding

7.6

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.

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.

  • 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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Alternative routes for Colorado to Kos

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Colorado to Kos

Discover the top airline that operate flights from Colorado to Kos. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
SWISSCheapest$1,049Average$1,169FlexibilityNo cancel feeOn-time79%

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