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Ko Samui

$1,146+ 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 9/20. Fares are subject to change and may not be available on all flights or dates of travel.
HNL — USM
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
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 September 17, 2025.

Round-trip from

$1,479
(Cathay Pacific)
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 September 17, 2025.

This FlightHub deal was found by Cheapflights users on 9/17. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2012:20 pmHNL - USM
2 stops29h 10mMultiple Airlines
Sat 9/277:00 pmUSM - HNL
2 stops32h 40mMultiple Airlines
Deal found 9/17$1,146
This Cathay Pacific deal was found by Cheapflights users on 9/16. 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 10/1611:35 amHNL - USM
2 stops38h 00mCathay Pacific
Mon 10/2010:55 amUSM - HNL
2 stops40h 00mCathay Pacific
Deal found 9/16$1,479
This Ovago deal was found by Cheapflights users on 9/17. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/201:35 pmHNL - USM
2 stops36h 00mCathay Pacific
Sat 9/2710:55 amUSM - HNL
3 stops39h 25mCathay Pacific
Deal found 9/17$1,690
This Qatar Airways deal was found by Cheapflights users on 9/17. 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.
Sat 9/2011:02 pmHNL - USM
3 stops45h 53mQatar Airways
Sat 9/273:25 pmUSM - HNL
3 stops39h 52mQatar Airways
Deal found 9/17$2,699
This Trip.com deal was found by Cheapflights users on 9/16. 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.
Tue 10/1412:55 pmHNL - USM
2 stops33h 50mMultiple Airlines
Fri 10/317:55 amUSM - HNL
2 stops43h 30mMultiple Airlines
Deal found 9/16$4,200

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 September 17, 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

Sat 9/20

12:20 pm-10:30 am

2 stops29h 10m

Ko Samui

Sat 9/27

7:00 pm-10:40 am

2 stops32h 40m

$1,146

HonoluluKo Samui

HNL - USM

HNLUSM

Honolulu

Thu 10/16

11:35 am-6:35 pm

2 stops38h 00m

Ko Samui

Mon 10/20

10:55 am-9:55 am

2 stops40h 00m

$1,479

HonoluluKo Samui

HNL - USM

HNLUSM

Honolulu

Sat 9/20

1:35 pm-6:35 pm

2 stops36h 00m

Ko Samui

Sat 9/27

10:55 am-9:20 am

3 stops39h 25m

$1,690

HonoluluKo Samui

HNL - USM

HNLUSM

Honolulu

Sat 9/20

11:02 pm-1:55 pm

3 stops45h 53m

Ko Samui

Sat 9/27

3:25 pm-2:17 pm

3 stops39h 52m

$2,699

HonoluluKo Samui

HNL - USM

HNLUSM

Honolulu

Tue 10/14

12:55 pm-3:45 pm

2 stops33h 50m

Ko Samui

Fri 10/31

7:55 am-10:25 am

2 stops43h 30m

$4,200

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/17

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 September 17, 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 38h. 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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