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Cheap flights from Colorado to Ko Samui from $1,358

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Colorado to Ko Samui departing on 4/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Colorado to Ko Samui

Cheap round-trip flights

Enter your travel dates to find the best prices.
Cathay Pacific Logo
10:37 am - 7:40 pm
DEN
-
USM
44h 03m
2 stops
Cathay Pacific Logo
11:55 am - 12:06 pm
USM
-
DEN
37h 11m
2 stops
$1,358Cathay Pacific
Thu, Apr 16 - Thu, Apr 23
Cathay Pacific Logo
10:37 am - 7:40 pm
DEN
-
USM
44h 03m
2 stops
Cathay Pacific Logo
11:55 am - 11:45 pm
USM
-
DEN
48h 50m
2 stops
$1,399Cathay Pacific
Fri, Apr 17 - Sun, Apr 26
Multiple Airlines Logo
9:17 pm - 1:45 pm
DEN
-
USM
27h 28m
3 stops
Multiple Airlines Logo
9:15 am - 11:37 pm
USM
-
DEN
27h 22m
3 stops
$1,402Multiple Airlines
Sun, Apr 26 - Thu, May 7
Multiple Airlines Logo
7:05 pm - 6:15 pm
DEN
-
USM
34h 10m
2 stops
Multiple Airlines Logo
7:15 pm - 5:50 pm
USM
-
DEN
35h 35m
3 stops
$1,439Multiple Airlines
Fri, Apr 17 - Sun, Apr 26
Multiple Airlines Logo
9:17 pm - 1:45 pm
DEN
-
USM
27h 28m
3 stops
Multiple Airlines Logo
8:45 am - 10:30 pm
USM
-
DEN
26h 45m
3 stops
$1,723Multiple Airlines
Thu, Apr 16 - Thu, Apr 23
Multiple Airlines Logo
9:02 pm - 1:45 pm
DEN
-
USM
27h 43m
3 stops
Multiple Airlines Logo
8:10 am - 10:59 pm
USM
-
DEN
27h 49m
3 stops
$1,765Multiple Airlines
Fri, Apr 17 - Sun, Apr 26
Multiple Airlines Logo
7:05 pm - 1:10 pm
DEN
-
USM
29h 05m
2 stops
Multiple Airlines Logo
7:10 pm - 5:50 pm
USM
-
DEN
35h 40m
3 stops
$1,917Multiple Airlines
Thu, Apr 16 - Thu, Apr 23
Cathay Pacific Logo
9:17 am - 7:40 pm
DEN
-
USM
45h 23m
2 stops
Cathay Pacific Logo
11:55 am - 9:59 pm
USM
-
DEN
47h 04m
2 stops
$3,118Cathay Pacific
Thu, Apr 2 - Sat, Apr 11
Cathay Pacific Logo
9:17 am - 7:40 pm
DEN
-
USM
45h 23m
2 stops
Cathay Pacific Logo
11:55 am - 9:59 pm
USM
-
DEN
47h 04m
2 stops
$4,759Cathay Pacific
Thu, Apr 2 - Sat, Apr 11

Cathay Pacific flights from Colorado to Ko Samui

Our best Cathay Pacific deals on Colorado to Ko Samui flight tickets
Cathay Pacific
Apr 16
DEN10:37 amDenver Intl
44h 03m
2 stops
USM7:40 pmKo Samui
Apr 23
USM11:55 amKo Samui
37h 11m
2 stops
DEN12:06 pmDenver Intl
$1,358
Cathay Pacific
Apr 17
DEN10:37 amDenver Intl
44h 03m
2 stops
USM7:40 pmKo Samui
Apr 26
USM11:55 amKo Samui
48h 50m
2 stops
DEN11:45 pmDenver Intl
$1,399
Cathay Pacific
Apr 2
DEN9:17 amDenver Intl
45h 23m
2 stops
USM7:40 pmKo Samui
Apr 11
USM11:55 amKo Samui
47h 04m
2 stops
DEN9:59 pmDenver Intl
$3,118

momondo 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, momondo users made 832,500 searches. Data last updated March 4, 2026.
Use the filters below to find and compare flights from Colorado to Ko Samui that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DenverKo Samui

DEN - USM

DENUSM

Denver Intl

Thu 4/16

10:37 am-7:40 pm

2 stops44h 03m

Ko Samui

Thu 4/23

11:55 am-12:06 pm

2 stops37h 11m

$1,358

DenverKo Samui

DEN - USM

DENUSM

Denver Intl

Fri 4/17

10:37 am-7:40 pm

2 stops44h 03m

Ko Samui

Sun 4/26

11:55 am-11:45 pm

2 stops48h 50m

$1,399

DenverKo Samui

DEN - USM

DENUSM

Denver Intl

Sun 4/26

9:17 pm-1:45 pm

3 stops27h 28m

Ko Samui

Thu 5/7

9:15 am-11:37 pm

3 stops27h 22m

$1,402

DenverKo Samui

DEN - USM

DENUSM

Denver Intl

Fri 4/17

7:05 pm-6:15 pm

2 stops34h 10m

Ko Samui

Sun 4/26

7:15 pm-5:50 pm

3 stops35h 35m

$1,439

DenverKo Samui

DEN - USM

DENUSM

Denver Intl

Thu 4/16

9:17 pm-1:45 pm

3 stops27h 28m

Ko Samui

Thu 4/23

8:45 am-10:30 pm

3 stops26h 45m

$1,723

DenverKo Samui

DEN - USM

DENUSM

Denver Intl

Fri 4/17

9:02 pm-1:45 pm

3 stops27h 43m

Ko Samui

Sun 4/26

8:10 am-10:59 pm

3 stops27h 49m

$1,765

DenverKo Samui

DEN - USM

DENUSM

Denver Intl

Thu 4/16

7:05 pm-1:10 pm

2 stops29h 05m

Ko Samui

Thu 4/23

7:10 pm-5:50 pm

3 stops35h 40m

$1,917

DenverKo Samui

DEN - USM

DENUSM

Denver Intl

Thu 4/2

9:17 am-7:40 pm

2 stops45h 23m

Ko Samui

Sat 4/11

11:55 am-9:59 pm

2 stops47h 04m

$3,118

DenverKo Samui

DEN - USM

DENUSM

Denver Intl

Thu 4/2

9:17 am-7:40 pm

2 stops45h 23m

Ko Samui

Sat 4/11

11:55 am-9:59 pm

2 stops47h 04m

$4,759

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Ko Samui from

How to get the cheapest flight ticket from Colorado to Ko Samui

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Ko Samui?

Our data shows that Saturday is the least expensive day to fly to Ko Samui. Tickets to fly out on this day can be as low as $184. Flights from Colorado to Ko Samui on a Thursday will generally be more expensive and average around $704. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Ko Samui?

Our data shows that the cheapest Colorado to Ko Samui flights are usually those with departure times in the afternoon. Our users have found flights to Ko Samui in the afternoon for as low as $196. In the evening is when there is more demand to fly to Ko Samui, so prices are often more expensive at around $355 per ticket.

Cheap Colorado to Ko Samui flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Colorado to Ko Samui

Fastest flight time

34h 35m

Direct flights

None
The fastest flight from Colorado to Ko Samui takes 34h 35m
There are no direct flights from Colorado to Ko Samui. There are no popular flight routes from Colorado to Ko Samui.
Search flight deals

  • When did momondo last update prices for flights from Colorado to Ko Samui Airport?

    Prices for flights from Colorado to Ko Samui Airport refresh daily.

  • How old do you have to be to fly from Colorado to Ko Samui Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Colorado to Ko Samui Airport.

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

    The travel and health documents required for your trip to Ko Samui 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 Ko Samui Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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
Khanom

Why use momondo?

Why should I use momondo to find a flight deal from Colorado to Ko Samui?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Colorado to Ko Samui. momondo saves you time and could save you money on your trip.

Can I find flights from Colorado to Ko Samui with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Colorado to Ko Samui flights to just show those with flexible booking policies.

How can momondo help me find flights from Colorado to Ko Samui?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Colorado to Ko Samui.

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

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

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