Ko Samui

$456+ Cheap flights from Hawaii 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 6/25. Fares are subject to change and may not be available on all flights or dates of travel.
HNL — USM
Apr 7 — Apr 141
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Cheap flight deals from Hawaii to Ko Samui

Keep the following information in mind while searching for Hawaii to Ko Samui flight deals. Data was last updated April 2, 2025.

Round-trip from

$1,364
(Gotogate)

One-way from

$456
(Trip.com)
From Hawaii to Ko Samui
One-way flight from Hawaii to Ko Samui

Find flight deals from Hawaii to Ko Samui

Cheapest flights from Hawaii to Ko Samui
Explore the most affordable flight options available from Hawaii to Ko Samui. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 2, 2025.

This FlightHub deal was found by Cheapflights users on 4/1. 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.
Tue 8/2612:20 pmHNL - USM
2 stops26h 15mMultiple Airlines
Sun 9/147:30 pmUSM - HNL
2 stops32h 10mMultiple Airlines
Deal found 4/1$1,154
This Gurufare deal was found by Cheapflights users on 4/1. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2612:55 pmHNL - USM
2 stops26h 20mPhilippine Airlines
Mon 9/156:55 pmUSM - HNL
2 stops33h 15mPhilippine Airlines
Deal found 4/1$1,642
This Gurufare deal was found by Cheapflights users on 4/1. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/32:15 pmHNL - USM
2 stops37h 55mSingapore Airlines
Thu 9/114:25 pmUSM - HNL
2 stops46h 38mSingapore Airlines
Deal found 4/1$1,779
This Gurufare deal was found by Cheapflights users on 4/1. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2511:50 amHNL - USM
2 stops37h 45mCathay Pacific
Mon 9/1510:55 amUSM - HNL
2 stops39h 25mCathay Pacific
Deal found 4/1$1,814
This Qatar Airways deal was found by Cheapflights users on 4/1. 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.
Wed 8/2710:51 pmHNL - USM
3 stops42h 54mQatar Airways
Sat 9/138:50 pmUSM - HNL
3 stops42h 13mQatar Airways
Deal found 4/1$1,992

Cheapflights Fare Finder

Customize your flight search to find flights from Hawaii 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 April 2, 2025.
Use the filters below to find and compare flights from Hawaii to Ko Samui that are best for you.

Fly from

Hawaii

Fly to

Ko Samui

Route

Depart

Return

Price

HonoluluKo Samui

HNL - USM

HNLUSM

Honolulu

Tue 8/26

12:20 pm-8:15 am

2 stops26h 55m

Ko Samui

Sat 9/13

7:15 pm-10:40 am

2 stops32h 25m

$1,154

HonoluluKo Samui

HNL - USM

HNLUSM

Honolulu

Tue 8/26

12:55 pm-8:15 am

2 stops26h 20m

Ko Samui

Mon 9/15

6:55 pm-11:10 am

2 stops33h 15m

$1,642

HonoluluKo Samui

HNL - USM

HNLUSM

Honolulu

Wed 9/3

2:15 pm-9:10 pm

2 stops37h 55m

Ko Samui

Thu 9/11

4:25 pm-10:03 pm

2 stops46h 38m

$1,779

HonoluluKo Samui

HNL - USM

HNLUSM

Honolulu

Mon 8/25

11:50 am-6:35 pm

2 stops37h 45m

Ko Samui

Mon 9/15

10:55 am-9:20 am

2 stops39h 25m

$1,814

HonoluluKo Samui

HNL - USM

HNLUSM

Honolulu

Wed 8/27

10:51 pm-10:45 am

3 stops42h 54m

Ko Samui

Sat 9/13

8:50 pm-10:03 pm

3 stops42h 13m

$1,992

HonoluluKo Samui

HNL - USM

HNLUSM

Honolulu

Wed 6/25

8:20 am-6:30 pm

2 stops41h 10m

$456

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/31

Best time to book a flight from Hawaii to Ko Samui

Have a flexible travel schedule? Discover the best time to fly to Ko Samui from Hawaii 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 Hawaii to Ko Samui

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

Find hourly flight availability from Hawaii 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 April 2, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Hawaii to Ko Samui as you normally would.

Rainfall in Ko Samui by month

Plan your trip to Ko Samui by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Ko Samui ranges from 2.3 - 19.3 inches per month. November is typically the wettest month, when rainfall can reach 19.3 in. February is typically the driest time to visit Ko Samui when rainfall is around 2.3 in.

Temperature in Ko Samui by month

Plan your trip to Ko Samui by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Ko Samui, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 80.6 F).

Related info for your journey

Find useful and relevant information for your journey from Hawaii to Ko Samui. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly into for flights to Ko Samui from Hawaii?

    Ko Samui (USM) is the airport you will fly into if you book a flight from Hawaii to Ko Samui. It is only a 2.1 mi journey from Ko Samui (USM) to Ko Samui’s city center.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Hawaii 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 Hawaii?

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Ko Tao
Ko Pha Ngan

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