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Ko Samui

$1,600+ Cheap flights from Colorado to Ko Samui (USM)

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 10/13. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — USM
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Cheap flight deals from Colorado to Ko Samui

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

Round-trip from

$1,600
(oojo)
From Colorado to Ko Samui
Search Deals

Find flight deals from Colorado to Ko Samui

Cheapest flights from Colorado to Ko Samui
Explore the most affordable flight options available from Colorado to Ko Samui. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

This oojo deal was found by Cheapflights users on 9/14. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1310:40 amDEN - USM
2 stops42h 55mCathay Pacific
Wed 10/2210:55 amUSM - DEN
2 stops37h 33mCathay Pacific
Deal found 9/14$1,600
This Booking.com deal was found by Cheapflights users on 9/14. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/67:55 pmDEN - USM
3 stops28h 50mMultiple Airlines
Mon 10/207:00 pmUSM - DEN
3 stops40h 17mMultiple Airlines
Deal found 9/14$1,626
This FlightHub deal was found by Cheapflights users on 9/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/77:05 pmDEN - USM
2 stops30h 30mMultiple Airlines
Sun 11/168:45 pmUSM - DEN
2 stops29h 52mMultiple Airlines
Deal found 9/14$1,655
This Air France deal was found by Cheapflights users on 9/13. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/25:40 pmDEN - USM
2 stops38h 30mAir France
Mon 10/64:25 pmUSM - DEN
2 stops36h 05mAir France
Deal found 9/13$1,824
This Qatar Airways deal was found by Cheapflights users on 9/14. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/711:51 amDEN - USM
3 stops31h 29mQatar Airways
Sun 11/169:10 pmUSM - DEN
3 stops34h 35mQatar Airways
Deal found 9/14$1,898
This FlightHub deal was found by Cheapflights users on 9/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/135:55 pmDEN - USM
2 stops35h 20mSingapore Airlines
Wed 10/224:25 pmUSM - DEN
3 stops40h 15mSingapore Airlines
Deal found 9/14$2,125
This FlightHub deal was found by Cheapflights users on 9/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/75:40 pmDEN - USM
3 stops58h 35mSingapore Airlines
Sun 11/161:25 pmUSM - DEN
2 stops41h 01mSingapore Airlines
Deal found 9/14$2,176
This oojo deal was found by Cheapflights users on 9/14. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2010:31 amDEN - USM
2 stops43h 04mCathay Pacific
Sat 10/410:55 amUSM - DEN
2 stops44h 38mCathay Pacific
Deal found 9/14$2,304

Cheapflights Fare Finder

 
Customize your flight search to find flights from Colorado to Ko Samui 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 16, 2025.
Use the filters below to find and compare flights from Colorado to Ko Samui that are best for you.

Fly from

Colorado

Fly to

Ko Samui

Route

Depart

Return

Price

DenverKo Samui

DEN - USM

DENUSM

Denver Intl

Mon 10/13

10:40 am-6:35 pm

2 stops42h 55m

Ko Samui

Wed 10/22

10:55 am-11:28 am

2 stops37h 33m

$1,600

DenverKo Samui

DEN - USM

DENUSM

Denver Intl

Mon 10/6

7:55 pm-1:45 pm

3 stops28h 50m

Ko Samui

Mon 10/20

7:00 pm-10:17 pm

3 stops40h 17m

$1,626

DenverKo Samui

DEN - USM

DENUSM

Denver Intl

Fri 11/7

7:05 pm-3:35 pm

2 stops30h 30m

Ko Samui

Sun 11/16

8:45 pm-12:37 pm

2 stops29h 52m

$1,655

DenverKo Samui

DEN - USM

DENUSM

Denver Intl

Thu 10/2

5:40 pm-9:10 pm

2 stops38h 30m

Ko Samui

Mon 10/6

4:25 pm-3:30 pm

2 stops36h 05m

$1,824

DenverKo Samui

DEN - USM

DENUSM

Denver Intl

Fri 11/7

11:51 am-9:20 am

3 stops31h 29m

Ko Samui

Sun 11/16

9:10 pm-5:45 pm

3 stops34h 35m

$1,898

DenverKo Samui

DEN - USM

DENUSM

Denver Intl

Mon 10/13

5:55 pm-6:15 pm

2 stops35h 20m

Ko Samui

Wed 10/22

4:25 pm-7:40 pm

3 stops40h 15m

$2,125

DenverKo Samui

DEN - USM

DENUSM

Denver Intl

Sat 9/20

10:31 am-6:35 pm

2 stops43h 04m

Ko Samui

Sat 10/4

10:55 am-6:33 pm

2 stops44h 38m

$2,304

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Best time to book a flight from Colorado to Ko Samui

Have a flexible travel schedule? Discover the best time to fly to Ko Samui 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 Ko Samui

What is the cheapest time of day to fly from CO to USM?

Find hourly flight availability from Colorado to Ko Samui. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 16, 2025.

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

Related info for your journey

Find useful and relevant information for your journey from Colorado to Ko Samui. 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 Ko Samui from Colorado?

    Ko Samui (USM), located 2.1 mi from the city center, is the airport you fly into when you book flights from Colorado to Ko Samui.

  • How long is the flight from Colorado to Ko Samui?

    Airlines like Cathay Pacific fly from Colorado to Ko Samui in about 42h 55m. The time it takes to get you to your destination can typically vary by up to . Colorado and Ko Samui are separated by a distance of 8668 mi.

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

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

  • How can I find direct flights from Colorado to Ko Samui?

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

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

    Yes. Cheapflights offers flight deals from Colorado to Ko Samui 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 Ko Samui?

Book flights to Ko Samui if you plan to visit one of these locations
Ko Tao
Ko Pha Ngan

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