HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Krong Preah Sihanouk

$3,607+ Cheap flights from Colorado to Krong Preah Sihanouk (KOS)

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 10/14. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — KOS
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Colorado to Krong Preah Sihanouk with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Colorado to Krong Preah Sihanouk

Keep the following information in mind while searching for Colorado to Krong Preah Sihanouk flight deals. Data was last updated September 17, 2025.

Round-trip from

$3,607
(Mytrip)
From Colorado to Krong Preah Sihanouk Sihanoukville
Search Deals

Find flight deals from Colorado to Krong Preah Sihanouk

Cheapest flights from Colorado to Krong Preah Sihanouk
Explore the most affordable flight options available from Colorado to Krong Preah Sihanouk. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

This Mytrip deal was found by Cheapflights users on 9/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/147:50 pmDEN - KOS
3 stops34h 40mMultiple Airlines
Wed 10/2910:45 amKOS - DEN
3 stops38h 52mMultiple Airlines
Deal found 9/16$3,607
This FlightHub deal was found by Cheapflights users on 9/16. 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.
Wed 10/1511:30 amDEN - KOS
2 stops56h 45mMultiple Airlines
Wed 10/2210:15 amKOS - DEN
2 stops40h 20mMultiple Airlines
Deal found 9/16$9,697
This Booking.com deal was found by Cheapflights users on 9/17. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/112:25 pmDEN - KOS
2 stops32h 10mMultiple Airlines
Sat 11/810:45 amKOS - DEN
2 stops39h 25mMultiple Airlines
Deal found 9/17$10,708

Cheapflights Fare Finder

 
Customize your flight search to find flights from Colorado to Krong Preah Sihanouk 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 September 17, 2025.
Use the filters below to find and compare flights from Colorado to Krong Preah Sihanouk that are best for you.

Fly from

Colorado

Fly to

Krong Preah Sihanouk

Route

Depart

Return

Price

DenverKrong Preah Sihanouk

DEN - KOS

DENKOS

Denver Intl

Tue 10/14

7:50 pm-7:30 pm

3 stops34h 40m

Krong Preah Sihanouk Sihanoukville

Wed 10/29

10:45 am-12:37 pm

3 stops38h 52m

$3,607

DenverKrong Preah Sihanouk

DEN - KOS

DENKOS

Denver Intl

Wed 10/15

11:30 am-9:15 am

2 stops56h 45m

Krong Preah Sihanouk Sihanoukville

Wed 10/22

10:15 am-1:35 pm

2 stops40h 20m

$9,697

DenverKrong Preah Sihanouk

DEN - KOS

DENKOS

Denver Intl

Sat 11/1

12:25 pm-9:35 am

2 stops32h 10m

Krong Preah Sihanouk Sihanoukville

Sat 11/8

10:45 am-12:10 pm

2 stops39h 25m

$10,708

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Best time to book a flight from Colorado to Krong Preah Sihanouk

Have a flexible travel schedule? Discover the best time to fly to Krong Preah Sihanouk 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 Krong Preah Sihanouk
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 Krong Preah Sihanouk. 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 Krong Preah Sihanouk from Colorado?

    Krong Preah Sihanouk Sihanoukville (KOS) is the airport you will fly into if you book a flight from Colorado to Krong Preah Sihanouk. It is only a 7.8 mi journey from Sihanoukville (KOS) to Krong Preah Sihanouk’s city center.

  • Can I find deals for flights from Colorado to Krong Preah Sihanouk that include hotel bookings?

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

  • How can I find direct flights from Colorado to Krong Preah Sihanouk?

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

  • Can I find deals for business class flights from Colorado to Krong Preah Sihanouk?

    Yes. Cheapflights offers flight deals from Colorado to Krong Preah Sihanouk 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

Traveling to a place near Krong Preah Sihanouk?

Book flights to Krong Preah Sihanouk if you plan to visit one of these locations
Kampot

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 Colorado to Krong Preah Sihanouk

See prices for flight routes from nearby airports that may be better suited for you.
Seattle to Phnom Penh flights
Los Angeles to Phnom Penh flights
Boston to Phnom Penh flights
Dulles Intl to Phnom Penh flights
San Francisco to Phnom Penh flights
John F Kennedy Intl to Phnom Penh flights
Miami to Phnom Penh flights
Denver to Phnom Penh flights
Newark to Phnom Penh flights
Honolulu to Phnom Penh flights
Jacksonville to Phnom Penh flights
O'Hare Intl to Phnom Penh flights
George Bush Intcntl to Phnom Penh flights
Atlanta to Phnom Penh flights
Dallas/Fort Worth to Phnom Penh flights
Detroit to Phnom Penh flights
Las Vegas to Phnom Penh flights
Orlando to Phnom Penh flights
Sky Harbor Intl to Phnom Penh flights
Nashville to Phnom Penh flights
Boise to Phnom Penh flights
White Plains to Phnom Penh flights
Philadelphia to Phnom Penh flights
San Diego to Phnom Penh flights
San Francisco to Krong Preah Sihanouk flights
Charleston to Phnom Penh flights
Cleveland to Phnom Penh flights
Charlotte to Phnom Penh flights
Charleston to Phnom Penh flights
Denver to Krong Preah Sihanouk flights
Fort Lauderdale to Phnom Penh flights
Gainesville to Phnom Penh flights
Grand Rapids to Phnom Penh flights
Kailua-Kona to Phnom Penh flights
Los Angeles to Krong Preah Sihanouk flights
Lexington to Phnom Penh flights
Midway to Phnom Penh flights
Memphis to Phnom Penh flights
Melbourne to Phnom Penh flights
West Palm Beach to Phnom Penh flights
Portland to Phnom Penh flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.