Which airports can I use when flying from Denver to Ko Samui?

Flights from Denver to Ko Samui usually depart from Denver Intl (DEN) and arrive at Ko Samui (USM).

Can I save money by using flexible dates for flights from Denver to Ko Samui?

Yes. Flexible dates can save you up to 27% on flights from Denver to Ko Samui. Sunday is the cheapest departure day at ฿62,184 return on average, while Wednesday is the most expensive at ฿84,612, a difference of ฿22,428. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

What popular places can I visit in Ko Samui?

Some of the most popular sights in Ko Samui are Chaweng Beach, Lamai Beach, and Bophut Beach. These are among the most viewed places in Ko Samui on KAYAK.

Do I need a passport to fly from Denver to Ko Samui?

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

Have flight prices from Denver to Ko Samui changed much recently?

Yes. Based on fares seen in the past 5 days, return flight prices on this route showed a wide range, from about ฿41,445 to ฿292,884. That means the highest observed fare was about 7x higher than the lowest one.

How are flight prices from Denver to Ko Samui looking right now?

One-way fares from Denver to Ko Samui are currently lower than usual. Average one-way flight prices are about ฿20,824, which is 41% below the typical average for this route.

What is the time difference between Denver and Ko Samui?

Ko Samui is 13 hours ahead of Denver (Indochina Time vs Mountain Time). Plan for the time shift when scheduling connections or first-day activities.

Which car hire options are available at Ko Samui Airport (USM)?

Ko Samui Airport (USM) hosts 5 major car rental companies, with daily rates starting from around ฿431 for economy cars. Top options include: • Drive Car Rental • Alamo • Sixt • Enterprise Rent-A-Car • Thai Rent

How much is a return flight from Denver to Ko Samui?

Return flights from Denver to Ko Samui typically range from ฿59,583 to ฿67,234. The lowest price found in the past 5 days was ฿41,445 on Cathay Pacific.

Which airline is the cheapest to fly from Denver to Ko Samui?

Cathay Pacific (฿41,445) and Qatar Airways (฿68,264) are the cheapest airlines to fly return from Denver to Ko Samui according to KAYAK data over the last 5 days.

฿19,017 CHEAP FLIGHTS from Denver to Ko Samui (DEN - USM)

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Cheapest return flight

฿41,445

Typical prices: ฿59,583-฿67,234

Cathay Pacific

Mon 12/11Fri 16/11

DEN - USM • 2 stops

Cheapest one-way flight

฿19,017

Typical prices: ฿25,070-฿42,725

Multiple Airlines

Thu 11/1

DEN - USM • 3 stops

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We hope you enjoy your trip to Ko Samui!

Flight Deals

Cheap Flights from Denver to Ko Samui (DEN-USM)

Discover the best prices for you by selecting your travel dates on KAYAK.

Return

One-way

Last minute

Recent return flight deals from Denver to Ko Samui

Thu 12 Nov - Mon 16 Nov

07:09 - 19:35DEN Denver Intl-USM Ko Samui

46h 26m2 stops Los Angeles Hong Kong Intl

11:40 - 22:09USM Ko Samui-DEN Denver Intl

48h 29m2 stops Hong Kong Intl Los Angeles

฿41,445Cathay Pacific

3+ days ago

Fri 8 Jan - Sat 23 Jan

13:50 - 19:35DEN Denver Intl-USM Ko Samui

39h 45m2 stops Los Angeles Hong Kong Intl

11:40 - 17:27USM Ko Samui-DEN Denver Intl

43h 47m2 stops Hong Kong Intl Chicago O'Hare Intl

฿49,754Multiple Airlines

17 hours ago

Fri 8 Jan - Sat 23 Jan

19:30 - 20:25DEN Denver Intl-USM Ko Samui

34h 55m2 stops Istanbul Bangkok Suvarnabhumi

14:30 - 10:49USM Ko Samui-DEN Denver Intl

34h 19m3 stops Bangkok Suvarnabhumi Taipei City Taiwan Taoyuan Intl Seattle/Tacoma Intl

฿60,394Multiple Airlines

1 day ago

Fri 8 Jan - Sat 23 Jan

19:54 - 14:55DEN Denver Intl-USM Ko Samui

29h 01m3 stops Seattle/Tacoma Intl Taipei City Taiwan Taoyuan Intl Bangkok Suvarnabhumi

14:05 - 23:17USM Ko Samui-DEN Denver Intl

23h 12m3 stops Bangkok Suvarnabhumi Taipei City Taiwan Taoyuan Intl Seattle/Tacoma Intl

฿62,893Multiple Airlines

17 hours ago

Fri 8 Jan - Sat 23 Jan

12:50 - 10:40DEN Denver Intl-USM Ko Samui

31h 50m3 stops New York John F Kennedy Intl Doha Hamad Intl Phuket City

21:30 - 18:56USM Ko Samui-DEN Denver Intl

35h 26m3 stops Bangkok Suvarnabhumi Doha Hamad Intl Seattle/Tacoma Intl

฿68,264Qatar Airways

1 day ago

Fri 8 Jan - Sat 23 Jan

07:45 - 18:15DEN Denver Intl-USM Ko Samui

44h 30m2 stops Los Angeles Singapore Changi

13:25 - 17:57USM Ko Samui-DEN Denver Intl

42h 32m3 stops Singapore Changi Tokyo Narita Los Angeles

฿108,425Singapore Airlines

1 day ago

Sun 20 Dec - Sun 3 Jan

19:30 - 21:20DEN Denver Intl-USM Ko Samui

35h 50m2 stops Istanbul Bangkok Suvarnabhumi

19:40 - 17:25USM Ko Samui-DEN Denver Intl

35h 45m2 stops Bangkok Suvarnabhumi Istanbul

฿124,064เตอร์กิชแอร์ไลน์

3+ days ago

Sun 20 Dec - Sun 3 Jan

19:30 - 19:50DEN Denver Intl-USM Ko Samui

34h 20m2 stops Istanbul Bangkok Suvarnabhumi

19:40 - 17:25USM Ko Samui-DEN Denver Intl

35h 45m3 stops Bangkok Suvarnabhumi Abu Dhabi Zayed Intl Istanbul

฿132,070Multiple Airlines

3+ days ago

Thu 12 Nov - Mon 16 Nov

07:55 - 18:15DEN Denver Intl-USM Ko Samui

44h 20m3 stops Los Angeles Tokyo Narita Singapore Changi

13:25 - 17:56USM Ko Samui-DEN Denver Intl

42h 31m2 stops Singapore Changi Los Angeles

฿134,907Singapore Airlines

3+ days ago

Sun 20 Dec - Sun 3 Jan

08:15 - 08:05DEN Denver Intl-USM Ko Samui

33h 50m3 stops Vancouver Intl Tokyo Narita Bangkok Suvarnabhumi

19:40 - 17:25USM Ko Samui-DEN Denver Intl

35h 45m3 stops Bangkok Suvarnabhumi Abu Dhabi Zayed Intl Istanbul

฿137,643Multiple Airlines

3+ days ago

Recent last minute flight deals from Denver to Ko Samui

Fri 30 Oct - Sun 15 Nov

11:58 - 19:35DEN Denver Intl-USM Ko Samui

42h 37m2 stops Los Angeles Hong Kong Intl

11:40 - 18:15USM Ko Samui-DEN Denver Intl

44h 35m2 stops Hong Kong Intl Los Angeles

฿40,128Multiple Airlines

3+ days ago

Fri 30 Oct - Sun 15 Nov

15:30 - 07:10DEN Denver Intl-USM Ko Samui

50h 40m3 stops Seattle/Tacoma Intl Hong Kong Intl Bangkok Suvarnabhumi

11:40 - 22:09USM Ko Samui-DEN Denver Intl

48h 29m2 stops Hong Kong Intl Los Angeles

฿43,978Multiple Airlines

3+ days ago

Fri 30 Oct - Sun 15 Nov

07:00 - 07:10DEN Denver Intl-USM Ko Samui

35h 10m3 stops Los Angeles Hong Kong Intl Bangkok Suvarnabhumi

11:40 - 22:09USM Ko Samui-DEN Denver Intl

48h 29m2 stops Hong Kong Intl Los Angeles

฿45,127Cathay Pacific

2 days ago

Fri 30 Oct - Sun 15 Nov

14:29 - 10:35DEN Denver Intl-USM Ko Samui

31h 06m3 stops Chicago O'Hare Intl Doha Hamad Intl Bangkok Suvarnabhumi

17:40 - 14:34USM Ko Samui-DEN Denver Intl

34h 54m3 stops Bangkok Suvarnabhumi Doha Hamad Intl New York John F Kennedy Intl

฿74,547Qatar Airways

15 hours ago

Fri 30 Oct - Sun 15 Nov

14:29 - 10:35DEN Denver Intl-USM Ko Samui

31h 06m3 stops Chicago O'Hare Intl Doha Hamad Intl Bangkok Suvarnabhumi

17:40 - 14:34USM Ko Samui-DEN Denver Intl

34h 54m3 stops Bangkok Suvarnabhumi Doha Hamad Intl New York John F Kennedy Intl

฿78,499Qatar Airways

3+ days ago

Fri 30 Oct - Sun 15 Nov

14:29 - 10:35DEN Denver Intl-USM Ko Samui

31h 06m3 stops Chicago O'Hare Intl Doha Hamad Intl Bangkok Suvarnabhumi

17:40 - 14:34USM Ko Samui-DEN Denver Intl

34h 54m3 stops Bangkok Suvarnabhumi Doha Hamad Intl New York John F Kennedy Intl

฿83,430Qatar Airways

3+ days ago

Fri 30 Oct - Sun 15 Nov

17:50 - 21:05DEN Denver Intl-USM Ko Samui

62h 15m3 stops Los Angeles Tokyo Narita Singapore Changi

13:25 - 17:56USM Ko Samui-DEN Denver Intl

42h 31m2 stops Singapore Changi Los Angeles

฿89,645Singapore Airlines

15 hours ago

Fri 30 Oct - Sun 15 Nov

17:50 - 21:05DEN Denver Intl-USM Ko Samui

62h 15m3 stops Los Angeles Tokyo Narita Singapore Changi

13:25 - 17:56USM Ko Samui-DEN Denver Intl

42h 31m2 stops Singapore Changi Los Angeles

฿98,461Singapore Airlines

1 day ago

Booking Insights

Price, demand, and travel trends for Denver to Ko Samui flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights with more confidence.

Prices

Airlines

How much is a return flight from Denver to Ko Samui? This analysis is based on the cheapest return price found on KAYAK in the last 12 months by searching for a flight from Denver to Ko Samui departing in November.

Find deals

Cheapest flight	฿19,017

One-way flight from Denver to Ko Samui

When to book flights from Denver to Ko Samui

Are your dates flexible? Find out the best times to travel from Denver to Ko Samui based on our flight data from the last year. Discover the cheapest month and even day to fly.

Estimated return price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

Do I need a passport to fly from Denver to Ko Samui?
Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.
Have flight prices from Denver to Ko Samui changed much recently?
Yes. Based on fares seen in the past 5 days, return flight prices on this route showed a wide range, from about ฿41,445 to ฿292,884. That means the highest observed fare was about 7x higher than the lowest one.
How are flight prices from Denver to Ko Samui looking right now?
One-way fares from Denver to Ko Samui are currently lower than usual. Average one-way flight prices are about ฿20,824, which is 41% below the typical average for this route.
Which car hire options are available at Ko Samui Airport (USM)?
Ko Samui Airport (USM) hosts 5 major car rental companies, with daily rates starting from around ฿431 for economy cars. Top options include:

• Drive Car Rental
• Alamo
• Sixt
• Enterprise Rent-A-Car
• Thai Rent
Which airports can I use when flying from Denver to Ko Samui?
Flights from Denver to Ko Samui usually depart from Denver Intl (DEN) and arrive at Ko Samui (USM).
Can I save money by using flexible dates for flights from Denver to Ko Samui?
Yes. Flexible dates can save you up to 27% on flights from Denver to Ko Samui. Sunday is the cheapest departure day at ฿62,184 return on average, while Wednesday is the most expensive at ฿84,612, a difference of ฿22,428.

Cheaper weekend fares like these are typical of routes dominated by weekday business travel.
What is the time difference between Denver and Ko Samui?
Ko Samui is 13 hours ahead of Denver (Indochina Time vs Mountain Time). Plan for the time shift when scheduling connections or first-day activities.
What popular places can I visit in Ko Samui?
Some of the most popular sights in Ko Samui are Chaweng Beach, Lamai Beach, and Bophut Beach. These are among the most viewed places in Ko Samui on KAYAK.

If your dates are flexible, aim for a Sunday departure and avoid flying on Wednesday. On this route, Sunday flights average ฿62,184, which is about ฿22,428 less than Wednesday fares (27% savings) based on the last 12 months.
If you're arriving late at night and need somewhere to stay, check out these hotels close to Ko Samui Airport.

• Ozo Chaweng Samui - Sha Extra Plus
• Melia Koh Samui
• Royal Muang Samui Villas

More options for your flight from Denver to Ko Samui

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Car rentals in Ko Samui

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DEN - USM

฿19,017 Find Cheap Flights from Denver to Ko Samui – Compare and Save

Everything you should know

Cheap Flights from Denver to Ko Samui (DEN-USM)

Recent return flight deals from Denver to Ko Samui

Recent one-way flight deals from Denver to Ko Samui

Recent last minute flight deals from Denver to Ko Samui

Price, demand, and travel trends for Denver to Ko Samui flights

How much is a return flight from Denver to Ko Samui?

Which airline is the cheapest to fly from Denver to Ko Samui?

Key details for Denver to Ko Samui flights

Cheapest flight

When to book flights from Denver to Ko Samui

Your Denver to Ko Samui flight questions, answered

Your guide to booking Denver to Ko Samui flights

More options for your flight from Denver to Ko Samui

Complete your trip to Ko Samui with a hotel stay or car hire

Information on your arrival and departure airports

Cabin class types available on flights from Denver to Ko Samui

Flights from domestic origins to Ko Samui

Flights to other popular destinations