Latest deals
When to book
FAQs
Price Alerts

Cheap flights from Denver to Kos from $1,825

1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Denver to Kos

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
5:25 pm - 1:35 pmDEN  Denver Intl-KGS Kos
35h 10m2 stops Frankfurt am Main Athens Eleftherios V.
Multiple Airlines Logo
8:35 pm - 3:35 pmKGS  Kos-DEN Denver Intl
28h 00m2 stops Athens Eleftherios V. Frankfurt am Main
$1,825Multiple Airlines
Wed, Dec 23 - Wed, Dec 30
Multiple Airlines Logo
1:30 pm - 9:15 pmDEN  Denver Intl-KGS Kos
22h 45m3 stops Toronto Pearson Intl Paris Charles de Gaulle Athens Eleftherios V.
Multiple Airlines Logo
5:15 pm - 4:50 pmKGS  Kos-DEN Denver Intl
32h 35m3 stops Athens Eleftherios V. Frankfurt am Main Toronto Pearson Intl
$2,606Multiple Airlines
Wed, Dec 23 - Wed, Dec 30
Multiple Airlines Logo
8:00 am - 8:05 pmDEN  Denver Intl-KGS Kos
27h 05m3 stops Vancouver Intl Frankfurt am Main Athens Eleftherios V.
Multiple Airlines Logo
8:35 pm - 3:35 pmKGS  Kos-DEN Denver Intl
28h 00m2 stops Athens Eleftherios V. Frankfurt am Main
$2,641Multiple Airlines
Wed, Dec 23 - Wed, Dec 30

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

momondo 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

Cheapest round-trip

DenverKos

DEN Denver Intl - KGS Kos

DENKGS

Denver Intl

Wed 12/23

5:25 pm-1:35 pm

2 stops35h 10m

Kos

Wed 12/30

8:35 pm-3:35 pm

2 stops28h 00m

$1,825

DenverKos

DEN Denver Intl - KGS Kos

DENKGS

Denver Intl

Wed 12/23

1:30 pm-9:15 pm

3 stops22h 45m

Kos

Wed 12/30

5:15 pm-4:50 pm

3 stops32h 35m

$2,606
Quickest round-trip

DenverKos

DEN Denver Intl - KGS Kos

DENKGS

Denver Intl

Wed 12/23

8:00 am-8:05 pm

3 stops27h 05m

Kos

Wed 12/30

8:35 pm-3:35 pm

2 stops28h 00m

$2,641

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Denver to Kos

Are you open to changing your travel dates? Check out the ideal times to fly from Denver to Kos according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Denver to Kos (DEN to KGS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Denver to Kos

Best Price Found

$1,825

Fastest flight time

35h 10m

Direct flights

None
The best flight deal from Denver to Kos found on momondo in the last 72 hours is $1,825
The fastest flight from Denver to Kos takes 35h 10m
There are no direct flights from Denver to Kos. There are no popular flight routes from Denver to Kos.
Search flight deals

Frequently asked questions about flying from Denver to Kos

  • How far is Denver Intl to Kos by plane?

    There are 6332.4 mi between Denver Intl and Kos. 35h 10m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Denver Intl Airport to Kos Airport?

    Prices for flights from Denver Intl Airport to Kos Airport are updated daily.

  • How old do you have to be to fly from Denver Intl Airport to Kos Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Denver Intl Airport to Kos Airport.

  • What documentation or ID do you need to fly to Kos Airport?

    The travel and health documents required for your trip to Kos Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Kos Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Frequently asked questions about flying from Denver to Kos

  • How do I get Price Alerts for flights from Denver to Kos?

    You can take advantage of momondo’s Price Alerts by first searching for your flights to Denver from Kos. Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.

  • How can I save money on flights from Denver to Kos with momondo?

    Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

  • How does momondo find its flight prices?

    We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

Traveling to a place near Kos?

Book flights to Kos if you plan to visit one of these locations
Marmari
Kardamena

Why use momondo?

Why should I use momondo to find a flight deal from Denver to Kos?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Denver to Kos. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Denver to Kos with flexible booking policies on momondo?

momondo does allow users to show only those flights to Kos from Denver which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Denver to Kos?

momondo helps you find the best flight between Denver and Kos by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Denver to Kos right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Denver to Kos flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Kos trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 12/12
Sat 12/19
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Greece