What is the cheapest day to fly from Denver to Kos?

Travelers seeking maximum savings on their Denver to Kos flight should consider departing on Monday afternoons when fares are most often at their lowest. Monday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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.

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).

What is the cheapest time of day to fly from DEN to KGS?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Denver to Kos as you normally would.

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

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

How can I find direct flights from Denver to Kos?

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

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

Yes. Cheapflights offers flight deals from Denver 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.

$1,660+ Flights from Denver to Kos

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Cheap flight deals from Denver to Kos

Round-trip from	$1,741 (Lufthansa)

From Denver Intl to Kos

Search Deals

Find flight deals from Denver to Kos

Cheapest flights from Denver to Kos
Explore the most affordable flight options available from Denver to Kos. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

Fri 7/410:27 amDEN - KGS

3 stops24h 28mMultiple Airlines

Sun 7/66:00 amKGS - DEN

2 stops20h 55mMultiple Airlines

Deal found 6/30

$1,660

Sat 9/274:38 pmDEN - KGS

2 stops34h 12mLufthansa

Wed 10/11:30 pmKGS - DEN

2 stops19h 00mLufthansa

Deal found 7/2

$1,741

Fri 7/45:50 pmDEN - KGS

1 stop17h 10mSWISS

Sun 7/63:15 pmKGS - DEN

1 stop34h 05mSWISS

Deal found 6/30

$2,785

Best flights from Denver to Kos
Discover carefully curated flight deals from Denver to Kos that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 3, 2025.

Sat 9/274:38 pmDEN - KGS

2 stops34h 12mLufthansa

Wed 10/11:30 pmKGS - DEN

2 stops19h 00mLufthansa

Deal found 7/2

$1,741

Last-minute flights from Denver to Kos
Discover last-minute flight deals from Denver to Kos. Data last updated July 3, 2025 and is based on user searches.

Fri 7/410:27 amDEN - KGS

3 stops24h 28mMultiple Airlines

Sun 7/66:00 amKGS - DEN

2 stops20h 55mMultiple Airlines

Deal found 6/30

$1,660

Fri 7/45:50 pmDEN - KGS

1 stop17h 10mSWISS

Sun 7/63:15 pmKGS - DEN

1 stop34h 05mSWISS

Deal found 6/30

$2,785

Cheapflights Fare Finder

Use the filters below to find and compare flights from Denver to Kos that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DenverKos

DEN - KGS

DENKGS

Denver Intl

Sat 9/27

4:38 pm-11:50 am

2 stops34h 12m

Kos

Wed 10/1

1:30 pm-11:30 pm

2 stops19h 00m

$1,741

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

Best time to book a flight from Denver to Kos

Have a flexible travel schedule? Discover the best time to fly to Kos from Denver 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.

Reviews of airlines servicing Kos

Peruse reviews from past customers who have flown with Lufthansa from Denver to Kos to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Lufthansa

6.8

Okay

7,207 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Dec 2024

SFO - FRA

Convenient flight to my destination. Good entertainment options on board. I was seated close to some people who had noisy children which made sleeping a bit challenging.

Lufthansa

6.8

Okay

7,207 reviews

Lufthansa

6.8

Okay

7,207 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Dec 2024

SFO - FRA

Convenient flight to my destination. Good entertainment options on board. I was seated close to some people who had noisy children which made sleeping a bit challenging.

Related info for your journey

Can I find deals for flights from Denver to Kos that include hotel bookings?
Yes. In addition to deals on Denver to Kos flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Denver to Kos?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Denver to Kos.
Can I find deals for business class flights from Denver to Kos?
Yes. Cheapflights offers flight deals from Denver 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.

Browse thousands of different options on Cheapflights for your next trip

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$1,660+ Cheap flights from Denver (DEN) 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 7/4. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Denver to Kos with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Denver to Kos

Round-trip from

Find flight deals from Denver to Kos

Cheapest flights from Denver to KosExplore the most affordable flight options available from Denver to Kos. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

Explore the most affordable flight options available from Denver to Kos. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Denver to Kos that are best for you.

Best time to book a flight from Denver to Kos

Have a flexible travel schedule? Discover the best time to fly to Kos from Denver with our price prediction graph.

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 July 3, 2025.

Peruse reviews from past customers who have flown with Lufthansa from Denver to Kos to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

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

How can I find direct flights from Denver to Kos?

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Denver to Kos

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

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Book with Flexibility

Travel Smart

Cheapest flights from Denver to Kos
Explore the most affordable flight options available from Denver to Kos. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.