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Ko Samui

$618+ Cheap flights from Honolulu (HNL) to Ko Samui (USM)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/21. Fares are subject to change and may not be available on all flights or dates of travel.
HNL — USM
ene. 8 — ene. 151
jue. 1/8
jue. 1/15
1 adult, Economy
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Cheap flight deals from Honolulu to Ko Samui

Best flights from Honolulu to Ko Samui
Discover carefully curated flight deals from Honolulu to Ko Samui that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated diciembre 9, 2025.

This lastminute.com deal was found by Cheapflights users on 12/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 1/1210:55 amHNL - USM
2 stops39h 40mCathay Pacific
lun. 1/1911:40 amUSM - HNL
2 stops38h 35mCathay Pacific
Deal found 12/6$1,224
This Booking.com deal was found by Cheapflights users on 12/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 4/61:00 pmHNL - USM
2 stops27h 20mMultiple Airlines
dom. 4/127:55 pmUSM - HNL
2 stops32h 36mMultiple Airlines
Deal found 12/7$1,388
This Qatar Airways deal was found by Cheapflights users on 12/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 4/69:16 pmHNL - USM
3 stops44h 14mQatar Airways
dom. 4/128:35 pmUSM - HNL
3 stops40h 06mQatar Airways
Deal found 12/7$2,070
This Mytrip deal was found by Cheapflights users on 12/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 1/1210:55 pmHNL - USM
3 stops39h 35mMultiple Airlines
lun. 1/198:55 amUSM - HNL
3 stops44h 48mMultiple Airlines
Deal found 12/6$1,715

Find flight deals from Honolulu to Ko Samui

Discover tips and strategies to find the most affordable flight options for your journey from Honolulu (HNL) to Ko Samui (USM). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated diciembre 9, 2025.

Most accurate provider

AranGrant
2 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$1,224
(lastminute.com)

One-way from

$622
(Kiwi.com)
Provider with most accurate pricing for Honolulu-Ko Samui flight deals.
Search Deals
Provider most trusted by Cheapflights users for Honolulu-Ko Samui flights.
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From Honolulu to Ko Samui
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One-way flight from Honolulu to Ko Samui
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Honolulu 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, Cheapflights users made 2,558,603 searches. Data last updated diciembre 9, 2025.
Use the filters below to find and compare flights from Honolulu to Ko Samui that are best for you.

Fly from

Honolulu

Fly to

Ko Samui

Route

Depart

Return

Price

HonoluluKo Samui

HNL - USM

HNLUSM

Honolulu

lun. 1/12

10:55 am-7:35 pm

2 stops39h 40m

Ko Samui

lun. 1/19

11:40 am-9:15 am

2 stops38h 35m

$1,224

HonoluluKo Samui

HNL - USM

HNLUSM

Honolulu

lun. 4/6

1:00 pm-9:20 am

2 stops27h 20m

Ko Samui

dom. 4/12

7:55 pm-11:31 am

2 stops32h 36m

$1,388

HonoluluKo Samui

HNL - USM

HNLUSM

Honolulu

lun. 1/12

10:55 pm-7:30 am

3 stops39h 35m

Ko Samui

lun. 1/19

8:55 am-12:43 pm

3 stops44h 48m

$1,715

HonoluluKo Samui

HNL - USM

HNLUSM

Honolulu

lun. 4/6

9:16 pm-10:30 am

3 stops44h 14m

Ko Samui

dom. 4/12

8:35 pm-7:41 pm

3 stops40h 06m

$2,070

HonoluluKo Samui

HNL - USM

HNLUSM

Honolulu

mié. 1/21

12:30 pm-8:05 am

3 stops50h 35m

$618

HonoluluKo Samui

HNL - USM

HNLUSM

Honolulu

mié. 2/11

7:40 am-8:50 pm

3 stops44h 10m

$650

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/9

  • Most accurate provider: When it comes to deals on Honolulu-Ko Samui flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Honolulu-Ko Samui flight deals on Cheapflights vs. AranGrant 90-95% of the time. Price accuracy is based on data collected from Honolulu-Ko Samui flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Honolulu-Ko Samui flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Honolulu-Ko Samui flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Honolulu to Ko Samui

Have a flexible travel schedule? Discover the best time to fly to Ko Samui from Honolulu with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Honolulu to Ko Samui

What is the cheapest time of day to fly from HNL to USM?

Find hourly flight availability from Honolulu to Ko Samui. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated diciembre 9, 2025.

When flying from Honolulu to Ko Samui, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 64% versus a flight in the morning.

Related info for your journey

Find useful and relevant information for your journey from Honolulu to Ko Samui. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Honolulu to Ko Samui?

    Departing from Honolulu to Ko Samui will take you 39h 40m. There are 6733 mi between Honolulu and Ko Samui. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • Can I find deals for flights from Honolulu to Ko Samui that include hotel bookings?

    Yes. In addition to deals on Honolulu to Ko Samui flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Honolulu to Ko Samui?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Honolulu to Ko Samui.

  • Can I find deals for business class flights from Honolulu to Ko Samui?

    Yes. Cheapflights offers flight deals from Honolulu to Ko Samui by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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

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