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Ko Samui

$801+ Cheap flights from Colorado to Ko Samui (USM)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/23. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — USM
Jun 23 — Jun 301
Mon 6/23
Mon 6/30
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 June 18, 2025.

Round-trip from

$1,662
(Gurufare)

One-way from

$801
(Trip.com)
From Colorado to Ko Samui
Search Deals
One-way flight 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 June 18, 2025.

This Orbitz deal was found by Cheapflights users on 6/16. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/107:15 pmDEN - USM
2 stops30h 20mMultiple Airlines
Mon 11/179:25 pmUSM - DEN
2 stops29h 12mMultiple Airlines
Deal found 6/16$1,595
This Gurufare deal was found by Cheapflights users on 6/16. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/139:03 amDEN - USM
2 stops44h 32mCathay Pacific
Wed 10/2210:55 amUSM - DEN
2 stops48h 32mCathay Pacific
Deal found 6/16$1,668
This FlightHub deal was found by Cheapflights users on 6/16. 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.
Mon 9/159:23 pmDEN - USM
2 stops34h 47mSingapore Airlines
Sat 9/274:25 pmUSM - DEN
3 stops40h 15mSingapore Airlines
Deal found 6/16$1,722
This Qatar Airways deal was found by Cheapflights users on 6/16. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/41:11 pmDEN - USM
3 stops32h 49mQatar Airways
Tue 11/118:20 pmUSM - DEN
3 stops35h 22mQatar Airways
Deal found 6/16$1,742

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 June 18, 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 9/15

9:23 pm-9:10 pm

2 stops34h 47m

Ko Samui

Sat 9/27

4:25 pm-6:19 pm

2 stops62h 54m

$1,662

DenverKo Samui

DEN - USM

DENUSM

Denver Intl

Mon 9/15

9:23 pm-9:10 pm

2 stops34h 47m

Ko Samui

Sat 9/27

4:25 pm-7:40 pm

3 stops40h 15m

$1,722

DenverKo Samui

DEN - USM

DENUSM

Denver Intl

Mon 9/15

6:00 pm-2:45 pm

3 stops31h 45m

Ko Samui

Sat 9/27

7:00 am-10:09 pm

3 stops28h 09m

$1,852

DenverKo Samui

DEN - USM

DENUSM

Denver Intl

Mon 6/23

6:00 am-8:15 am

3 stops37h 15m

$801

DenverKo Samui

DEN - USM

DENUSM

Denver Intl

Mon 6/23

11:40 am-6:35 pm

2 stops41h 55m

$1,201

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/18

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 June 18, 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.

Rainfall in Ko Samui by month

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

In terms of precipitation, rainfall in Ko Samui ranges from 2.3 - 19.3 inches per month. November is typically the wettest month, when rainfall can reach 19.3 in. February is typically the driest time to visit Ko Samui when rainfall is around 2.3 in.

Temperature in Ko Samui by month

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

If weather is an important factor for your trip to Ko Samui, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 80.6 F).

Reviews of airlines servicing Ko Samui

Get insights into the airlines that provide service to Ko Samui. 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 Ko Samui. Reviews last updated June 18, 2025.
Singapore Airlines
8.1
Very good
1,310 reviews

Food

7.7

Crew

8.6

Entertainment

8.0

Comfort

7.9

Boarding

8.2

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
Singapore Airlines
8.1
Very good
1,310 reviews
Singapore Airlines
8.1
Very good
1,310 reviews

Food

7.7

Crew

8.6

Entertainment

8.0

Comfort

7.9

Boarding

8.2

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
Cathay Pacific
7.5
Good
894 reviews
Singapore Airlines
8.1
Very good
1,310 reviews

Food

7.7

Crew

8.6

Entertainment

8.0

Comfort

7.9

Boarding

8.2

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.

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.

  • 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 Colorado?

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

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