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Ko Samui

$1,014+ Cheap flights from Honolulu (HNL) to Ko Samui (USM)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/3. Fares are subject to change and may not be available on all flights or dates of travel.
HNL — USM
Aug 25 — Sep 11
Mon 8/25
Mon 9/1
1 adult, Economy
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Cheap 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 August 20, 2025.

Round-trip from

$1,014
(Trip.com)
From Honolulu to Ko Samui
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Find flight deals from Honolulu to Ko Samui

Cheapest flights from Honolulu to Ko Samui
Explore the most affordable flight options available from Honolulu to Ko Samui. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 20, 2025.

This Trip.com deal was found by Cheapflights users on 8/19. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/312:55 pmHNL - USM
2 stops26h 40mMultiple Airlines
Fri 10/108:00 amUSM - HNL
2 stops44h 10mMultiple Airlines
Deal found 8/19$1,014
This Trip.com deal was found by Cheapflights users on 8/20. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/412:55 pmHNL - USM
2 stops38h 35mMultiple Airlines
Sat 10/118:00 amUSM - HNL
2 stops44h 10mMultiple Airlines
Deal found 8/20$1,352
This Trip.com deal was found by Cheapflights users on 8/19. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2811:30 amHNL - USM
2 stops39h 55mMultiple Airlines
Wed 1/77:55 amUSM - HNL
2 stops42h 50mMultiple Airlines
Deal found 8/19$1,359
This Cathay Pacific deal was found by Cheapflights users on 8/18. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1811:50 amHNL - USM
2 stops37h 45mCathay Pacific
Mon 9/2210:55 amUSM - HNL
2 stops41h 05mCathay Pacific
Deal found 8/18$1,643

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 August 20, 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

Fri 10/3

12:55 pm-8:35 am

2 stops26h 40m

Ko Samui

Fri 10/10

8:00 am-11:10 am

2 stops44h 10m

$1,014

HonoluluKo Samui

HNL - USM

HNLUSM

Honolulu

Sat 10/4

12:55 pm-8:30 pm

2 stops38h 35m

Ko Samui

Sat 10/11

8:00 am-11:10 am

2 stops44h 10m

$1,352

HonoluluKo Samui

HNL - USM

HNLUSM

Honolulu

Thu 9/18

11:50 am-6:35 pm

2 stops37h 45m

Ko Samui

Mon 9/22

10:55 am-11:00 am

2 stops41h 05m

$1,643

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/19

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 August 20, 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 at noon, which can drop the price by up to 20% 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 37h 45m. There are 6733 mi between Honolulu and Ko Samui.

  • 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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