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

Flights from Honolulu to Ko Samui usually depart from Honolulu (HNL) and arrive at Ko Samui (USM).

What cabin classes can I book on flights from Honolulu to Ko Samui?

Only Economy Class is available on flights from Honolulu to Ko Samui.

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

Yes. Flexible dates can save you up to 44% on flights from Honolulu to Ko Samui. Wednesday is the cheapest departure day at $1,128 round-trip on average, while Sunday is the most expensive at $1,995, a difference of $867. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

What popular places can I visit in Ko Samui?

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

Do I need a passport to fly from Honolulu 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 Honolulu to Ko Samui changed much recently?

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $1,231 to $2,848. That means the highest observed fare was about 2x higher than the lowest one.

What is the time difference between Honolulu and Ko Samui?

Ko Samui is 17 hours ahead of Honolulu (Indochina Time vs Hawaii-Aleutian Time). Plan for the time shift when scheduling connections or first-day activities.

What car rental options are available at Ko Samui Airport (USM)?

Ko Samui Airport (USM) hosts 5 major car rental companies, with daily rates averaging $29 for economy cars. Top options include: • Drive Car Rental • Alamo • Sixt • Enterprise Rent-A-Car • Thai Rent

How much is a round-trip flight from Honolulu to Ko Samui?

Round-trip flights from Honolulu to Ko Samui typically range from $1,128 to $1,995. The lowest price found in the past 5 days was $1,231, on Cathay Pacific.

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

Cathay Pacific ($1,231) and Philippine Airlines ($2,218) are the cheapest airlines to fly round-trip from Honolulu to Ko Samui according to KAYAK data over the last 5 days.

$1,231 CHEAP FLIGHTS from Honolulu to Ko Samui (HNL - USM)

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Cheapest round-trip

$1,231

Typical prices: $1,128-$1,995

Cathay Pacific

Fri 11/30Fri 12/7

HNL - USM • 2 stops

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Flight Deals

Cheap Flights from Honolulu to Ko Samui (HNL-USM)

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

Round-trip

One-way

Recent round-trip flight deals from Honolulu to Ko Samui

Mon, Nov 30 - Mon, Dec 7

12:35 pm - 7:35 pmHNL Honolulu-USM Ko Samui

38h 00m2 stops Tokyo Narita Hong Kong Intl

11:40 am - 10:10 amUSM Ko Samui-HNL Honolulu

39h 30m2 stops Hong Kong Intl Osaka Kansai Intl

$1,231Cathay Pacific

Mon, Nov 30 - Mon, Dec 7

12:35 pm - 7:35 pmHNL Honolulu-USM Ko Samui

38h 00m2 stops Tokyo Narita Hong Kong Intl

11:40 am - 8:15 amUSM Ko Samui-HNL Honolulu

37h 35m3 stops Hong Kong Intl Taipei City Taiwan Taoyuan Intl Nagoya Chubu Centrair Intl

$1,237Cathay Pacific

Mon, Nov 30 - Mon, Dec 7

12:35 pm - 7:35 pmHNL Honolulu-USM Ko Samui

62h 00m3 stops Tokyo Narita Taipei City Taiwan Taoyuan Intl Hong Kong Intl

11:40 am - 8:15 amUSM Ko Samui-HNL Honolulu

37h 35m3 stops Hong Kong Intl Taipei City Taiwan Taoyuan Intl Nagoya Chubu Centrair Intl

$1,268Cathay Pacific

Tue, Mar 16 - Tue, Mar 30

11:25 am - 7:35 pmHNL Honolulu-USM Ko Samui

39h 10m2 stops Osaka Kansai Intl Hong Kong Intl

11:55 am - 9:55 amUSM Ko Samui-HNL Honolulu

39h 00m3 stops Hong Kong Intl Taipei City Taiwan Taoyuan Intl Nagoya Chubu Centrair Intl

$1,326Cathay Pacific

Sat, Jan 16 - Thu, Feb 11

12:20 pm - 5:10 pmHNL Honolulu-USM Ko Samui

35h 50m3 stops Manila Ninoy Aquino Intl Taipei City Taiwan Taoyuan Intl Singapore Changi

6:05 pm - 7:00 amUSM Ko Samui-HNL Honolulu

29h 55m2 stops Singapore Changi Tokyo Narita

$1,401Multiple Airlines

Sat, Jan 16 - Thu, Feb 11

12:20 pm - 5:10 pmHNL Honolulu-USM Ko Samui

35h 50m3 stops Manila Ninoy Aquino Intl Taipei City Taiwan Taoyuan Intl Singapore Changi

6:05 pm - 7:00 amUSM Ko Samui-HNL Honolulu

29h 55m3 stops Singapore Changi Manila Ninoy Aquino Intl Tokyo Narita

$1,440Multiple Airlines

Tue, Mar 16 - Tue, Mar 30

7:50 am - 3:35 pmHNL Honolulu-USM Ko Samui

38h 45m3 stops Los Angeles Hong Kong Intl Bangkok Suvarnabhumi

11:55 am - 9:55 amUSM Ko Samui-HNL Honolulu

39h 00m3 stops Hong Kong Intl Taipei City Taiwan Taoyuan Intl Nagoya Chubu Centrair Intl

$1,470Multiple Airlines

Tue, Mar 16 - Tue, Mar 30

11:25 am - 7:35 pmHNL Honolulu-USM Ko Samui

39h 10m2 stops Osaka Kansai Intl Hong Kong Intl

11:55 am - 10:55 pmUSM Ko Samui-HNL Honolulu

28h 00m2 stops Hong Kong Intl Los Angeles

$1,474Multiple Airlines

Sat, Jan 16 - Thu, Feb 11

10:55 am - 7:35 pmHNL Honolulu-USM Ko Samui

39h 40m2 stops Osaka Kansai Intl Hong Kong Intl

6:05 pm - 7:00 amUSM Ko Samui-HNL Honolulu

29h 55m2 stops Singapore Changi Tokyo Narita

$1,562Multiple Airlines

Sun, Apr 18 - Wed, Apr 21

11:40 am - 7:10 amHNL Honolulu-USM Ko Samui

26h 30m2 stops Manila Ninoy Aquino Intl Bangkok Suvarnabhumi

7:50 am - 9:50 amUSM Ko Samui-HNL Honolulu

43h 00m2 stops Bangkok Suvarnabhumi Manila Ninoy Aquino Intl

$2,218Philippine Airlines

Booking Insights

Price, demand and travel trends for Honolulu 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 round-trip flight from Honolulu to Ko Samui? This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Honolulu to Ko Samui departing in november.

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Expert advice

Our travel experts

Harriet Baskas

Expert on JetBlue

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Stefanie Waldek

Expert on Delta

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or on the sea, likely en route to Antarctica or the Arctic.

Chris Dong

Expert on Hawaiian Airlines

Chris is a consumer travel reporter covering aviation, trending travel news, hotels, and loyalty programs—all for leading global publications like Travel + Leisure, The Washington Post, AFAR, and more. In addition to writing, Chris is a video host for Travel + Leisure, giving consumers an inside look at the latest in air travel.

Cheapest flight	$1,231

Round-trip flight from Honolulu to Ko Samui

When to book flights from Honolulu to Ko Samui

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

Estimated round-trip price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips 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.

What cabin classes can I book on flights from Honolulu to Ko Samui?
Only Economy Class is available on flights from Honolulu to Ko Samui.
Do I need a passport to fly from Honolulu 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 Honolulu to Ko Samui changed much recently?
Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $1,231 to $2,848. That means the highest observed fare was about 2x higher than the lowest one.
What car rental options are available at Ko Samui Airport (USM)?
Ko Samui Airport (USM) hosts 5 major car rental companies, with daily rates averaging $29 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 Honolulu to Ko Samui?
Flights from Honolulu to Ko Samui usually depart from Honolulu (HNL) and arrive at Ko Samui (USM).
Can I save money by using flexible dates for flights from Honolulu to Ko Samui?
Yes. Flexible dates can save you up to 44% on flights from Honolulu to Ko Samui. Wednesday is the cheapest departure day at $1,128 round-trip on average, while Sunday is the most expensive at $1,995, a difference of $867.

KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.
What is the time difference between Honolulu and Ko Samui?
Ko Samui is 17 hours ahead of Honolulu (Indochina Time vs Hawaii-Aleutian 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 Lamai Beach, Chaweng Beach and Choeng Mon Beach. These are among the most viewed places in Ko Samui on KAYAK.

If your dates are flexible, aim for a Wednesday departure and avoid flying on Sunday. On this route, Wednesday flights average $1,128, about $867 less than Sunday fares (43% 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
• Amari Koh Samui

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HNL - USM

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Everything you should know

Cheap Flights from Honolulu to Ko Samui (HNL-USM)

Recent round-trip flight deals from Honolulu to Ko Samui

Recent one-way flight deals from Honolulu to Ko Samui

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

How much is a round-trip flight from Honolulu to Ko Samui?

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

Expert advice for your flight from Honolulu to Ko Samui

Key details for Honolulu to Ko Samui flights

Cheapest flight

When to book flights from Honolulu to Ko Samui

Your Honolulu to Ko Samui flight questions, answered

Your guide to booking Honolulu to Ko Samui flights

More options for your flight from Honolulu to Ko Samui

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

Information on your arrival and departure airports

Cabin class types available on flights from Honolulu to Ko Samui

Find direct flights to and from Honolulu and Ko Samui

Flights from domestic origins to Ko Samui

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