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. Being flexible with your travel dates can save you up to 44% on the Honolulu to Ko Samui route. 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 Fishermans Village. 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 varied from about $2,202 to $3,905. That means the highest observed fare was about 77% higher than the lowest one.

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

One-way fares from Honolulu to Ko Samui are currently lower than usual. Average one-way flight prices are about $589, which is 27% below the typical average for this route.

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 starting from around $14 for economy cars. Top options include: • Drive Car Rental • Alamo • Sixt • Enterprise Rent-A-Car • Hertz

$553 CHEAP FLIGHTS from Honolulu to Ko Samui (HNL - USM)

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Cheapest round-trip

$2,202

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

Multiple Airlines

Fri 3/16Fri 3/30

HNL - USM • 2 stops

Cheapest one-way

$553

Typical prices: $798-$798

Multiple Airlines

Mon 11/5

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

Tue, Mar 16 - Tue, Mar 30

12:55 pm - 9:20 amHNL Honolulu-USM Ko Samui

27h 25m2 stops Tokyo Haneda Bangkok Suvarnabhumi

9:00 pm - 8:30 amUSM Ko Samui-HNL Honolulu

28h 30m2 stops Bangkok Suvarnabhumi Tokyo Narita

$2,202Multiple Airlines

Tue, Mar 16 - Tue, Mar 30

12:55 pm - 8:40 amHNL Honolulu-USM Ko Samui

26h 45m2 stops Tokyo Haneda Bangkok Suvarnabhumi

6:00 am - 10:20 amUSM Ko Samui-HNL Honolulu

21h 20m2 stops Bangkok Suvarnabhumi Tokyo Haneda

$2,451Multiple Airlines

Tue, Mar 16 - Tue, Mar 30

12:20 pm - 4:15 pmHNL Honolulu-USM Ko Samui

34h 55m2 stops Manila Ninoy Aquino Intl Bangkok Suvarnabhumi

5:35 pm - 9:50 amUSM Ko Samui-HNL Honolulu

57h 15m2 stops Bangkok Suvarnabhumi Manila Ninoy Aquino Intl

$2,507Philippine Airlines

Tue, Mar 16 - Tue, Mar 30

9:50 pm - 6:15 pmHNL Honolulu-USM Ko Samui

51h 25m3 stops Los Angeles Tokyo Narita Singapore Changi

1:30 pm - 10:20 amUSM Ko Samui-HNL Honolulu

37h 50m2 stops Singapore Changi San Francisco

$2,937Multiple Airlines

Tue, Mar 16 - Tue, Mar 30

9:50 pm - 6:15 pmHNL Honolulu-USM Ko Samui

51h 25m3 stops Los Angeles Tokyo Narita Singapore Changi

1:30 pm - 10:20 amUSM Ko Samui-HNL Honolulu

37h 50m2 stops Singapore Changi San Francisco

$3,092Multiple Airlines

Tue, Mar 16 - Tue, Mar 30

9:50 pm - 6:15 pmHNL Honolulu-USM Ko Samui

51h 25m3 stops Los Angeles Tokyo Narita Singapore Changi

1:30 pm - 10:20 amUSM Ko Samui-HNL Honolulu

37h 50m2 stops Singapore Changi San Francisco

$3,093Multiple Airlines

Tue, Mar 16 - Tue, Mar 30

12:35 pm - 3:35 pmHNL Honolulu-USM Ko Samui

34h 00m3 stops Tokyo Narita Hong Kong Intl Bangkok Suvarnabhumi

3:25 pm - 9:30 amUSM Ko Samui-HNL Honolulu

35h 05m3 stops Bangkok Suvarnabhumi Hong Kong Intl Tokyo Haneda

$3,760Multiple Airlines

Tue, Mar 16 - Tue, Mar 30

12:35 pm - 3:35 pmHNL Honolulu-USM Ko Samui

34h 00m3 stops Tokyo Narita Hong Kong Intl Bangkok Suvarnabhumi

3:50 pm - 9:30 amUSM Ko Samui-HNL Honolulu

34h 40m3 stops Bangkok Suvarnabhumi Hong Kong Intl Tokyo Haneda

$3,761Multiple Airlines

Tue, Mar 16 - Tue, Mar 30

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

38h 00m2 stops Tokyo Narita Hong Kong Intl

3:50 pm - 9:30 amUSM Ko Samui-HNL Honolulu

34h 40m3 stops Bangkok Suvarnabhumi Hong Kong Intl Tokyo Haneda

$3,905Multiple 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 from Honolulu to Ko Samui with more confidence.

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

Philippine Airlines ($2,507) offered the cheapest round-trip ticket from Honolulu to Ko Samui in the last 5 days.

Find deals

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	$553

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.

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. Being flexible with your travel dates can save you up to 44% on the Honolulu to Ko Samui route. 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 Fishermans Village. 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 varied from about $2,202 to $3,905. That means the highest observed fare was about 77% higher than the lowest one.
How are flight prices from Honolulu to Ko Samui looking right now?
One-way fares from Honolulu to Ko Samui are currently lower than usual. Average one-way flight prices are about $589, which is 27% below the typical average for this route.
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 starting from around $14 for economy cars. Top options include:
• Drive Car Rental
• Alamo
• Sixt
• Enterprise Rent-A-Car
• Hertz

If your dates can be flexible, aim for a Wednesday departure instead of Sunday. On this route, Wednesday flights average $1,128 - about $867 less than Sunday (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
- Cosi Samui Chaweng Beach
- Melia Koh Samui

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HNL - USM

$553 Find Cheap Flights from Honolulu to Ko Samui - Compare and Save

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

What is the cheapest airline 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

Flights to other popular destinations