Cheap flights from Denver (DEN) to Koh Samui (USM)

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How to find the cheapest flight from
Denver (DEN) to Koh Samui (USM)

All the information you need to plan the best DEN to USM flight in 2022: compare Denver to Koh Samui flight prices with the expected peak season, weather and rainfall in Koh Samui.
What is the cheapest day to fly round-trip from Denver to Koh Samui?

Friday flights are found to be more expensive to fly from Denver to Koh Samui. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Koh Samui.

When is the cheapest time to fly from Denver to Koh Samui (DEN - USM)?

It’s optimal to fly from Denver to Koh Samui at noon. By choosing this option you can save up to 20% on the cost of your flight, compared to a flight in the morning.

Cheap flights from Denver to Koh Samui in June, July 2022

The best prices found for DEN to USM flights for June, July
27 Jul - 29 Jul
$3,022pp
DEN
Denver Intl
Multiple Airlines
     
3 STOPS
USM
Ko Samui
USM
Ko Samui
Multiple Airlines
     
3 STOPS
DEN
Denver Intl
27 Jul - 29 Jul
$3,534pp
DEN
Denver Intl
Multiple Airlines
     
3 STOPS
USM
Ko Samui
USM
Ko Samui
Multiple Airlines
   
2 STOPS
DEN
Denver Intl
27 Jul - 29 Jul
$8,952pp
DEN
Denver Intl
Multiple Airlines
   
2 STOPS
USM
Ko Samui
USM
Ko Samui
Multiple Airlines
   
2 STOPS
DEN
Denver Intl

Denver Intl to Koh Samui 2022 flight deals

Cheap flights to Koh Samui from Denver found for this year
25 Nov - 4 Dec
$1,581pp
DEN
Denver Intl
Multiple Airlines
   
2 STOPS
USM
Ko Samui
USM
Ko Samui
Multiple Airlines
   
2 STOPS
DEN
Denver Intl
25 Nov - 4 Dec
$1,683pp
DEN
Denver Intl
Japan Airlines
     
3 STOPS
USM
Ko Samui
USM
Ko Samui
Japan Airlines
     
3 STOPS
DEN
Denver Intl
27 Jul - 29 Jul
$3,022pp
DEN
Denver Intl
Multiple Airlines
     
3 STOPS
USM
Ko Samui
USM
Ko Samui
Multiple Airlines
     
3 STOPS
DEN
Denver Intl

One-way flights to Ko Samui from Denver

The cheapest one-way flights from Denver to Koh Samui
3:00 pm - 5:05 pm
Multiple Airlines
2 Stops
37h 05m
DEN - USM
Multiple Airlines
$2,632
SmartFares
6:20 pm - 4:35 am
Multiple Airlines
3 Stops
45h 15m
DEN - USM
Multiple Airlines
$763
Kiwi.com
8:40 pm - 4:30 pm
Multiple Airlines
3 Stops
54h 50m
DEN - USM
Multiple Airlines
$19,904
Kiwi.com

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Denver</span> to <span class="emphasized">Koh Samui</span> flights.

Flight FAQs

From Denver to Koh Samui

Can I find flights from Denver to Koh Samui for under $1,600 on Cheapflights?

Yes, there are multiple flights from Denver to Koh Samui for under $1,600. The cheapest flight booked recently is on Multiple Airlines for just $1,581, but on average you can expect to pay $7,169.

What are the cheapest flights from Denver to Koh Samui?

Looking at all options, your cheapest flight can be booked for $863. While the most popular route (Denver Intl - Ko Samui) can be booked for $1,581 on average our data indicates $3,673 when flying from Denver to Koh Samui.

COVID Restrictions

View COVID Travel Restrictions for Koh Samui, Thailand

Do I need a COVID test to fly to Koh Samui from Denver?

Information is based on travel restrictions from Denver Intl to Ko Samui

Most visitors from Denver Intl can enter Ko Samui without restrictions.

COVID-19 testing requirements
Visitors from Denver Intl are not required to present a negative COVID-19 PCR test or antigen result upon entering Ko Samui.

Quarantine requirements
Visitors from Denver Intl are not required to quarantine after entering Ko Samui.

Documents
Thailand Pass - The Thailand Pass is a web-based system for foreign travelers to fill in their travel and health information as well as upload the related documents before travelling. As of June 1, 2022 - Thai nationals are no longer required to fill-out the Thailand Pass form.


Do I need a test to fly back to Denver from Koh Samui?

Returning to Denver Intl from Ko Samui

COVID-19 testing requirements
Visitors from Ko Samui are not required to present a negative COVID-19 PCR test or antigen result upon entering Denver Intl.

Quarantine requirements
Visitors from Ko Samui are not required to quarantine after entering Denver Intl.

Hide COVID Travel Restrictions for Koh Samui, Thailand

Alternative routes for Denver to Koh Samui

See prices for flight routes from nearby airports that may be better suited for you.

Destination information for Koh Samui

Things to know before you go - useful duration and weather info for your trip from Denver to Koh Samui.
Today's exchange rate
$1 = ฿35.35
Average temperature for June in Koh Samui
89.6 °F
Avg rainfall for June in Koh Samui
5.4 ″

Airports servicing Denver

Airports servicing Koh Samui

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