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Ko Samui

$1,362+ 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 4/1. Fares are subject to change and may not be available on all flights or dates of travel.
HNL — USM
Mar 30 — Apr 61
Sun 3/30
Sun 4/6
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 March 25, 2025.

Round-trip from

$1,393
(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 March 25, 2025.

This Trip.com deal was found by Cheapflights users on 3/23. 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 4/112:35 pmHNL - USM
2 stops39h 25mMultiple Airlines
Tue 4/156:55 pmUSM - HNL
2 stops32h 40mMultiple Airlines
Deal found 3/23$1,362
This Gurufare deal was found by Cheapflights users on 3/23. 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 4/2211:35 amHNL - USM
2 stops38h 00mCathay Pacific
Tue 4/2910:55 amUSM - HNL
3 stops40h 00mCathay Pacific
Deal found 3/23$2,017
This oojo deal was found by Cheapflights users on 3/24. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/1712:55 pmHNL - USM
2 stops39h 05mPhilippine Airlines
Thu 4/248:00 amUSM - HNL
2 stops44h 10mPhilippine Airlines
Deal found 3/24$2,146
This Qatar Airways deal was found by Cheapflights users on 3/24. 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.
Thu 4/179:39 pmHNL - USM
3 stops43h 51mQatar Airways
Thu 4/247:00 pmUSM - HNL
3 stops41h 41mQatar Airways
Deal found 3/24$2,565

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 March 25, 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

Tue 4/22

1:10 pm-7:35 am

2 stops25h 25m

Ko Samui

Tue 4/29

8:00 am-9:00 am

2 stops42h 00m

$1,393

HonoluluKo Samui

HNL - USM

HNLUSM

Honolulu

Tue 4/22

11:35 am-6:35 pm

2 stops38h 00m

Ko Samui

Tue 4/29

10:55 am-9:55 am

3 stops40h 00m

$2,017

HonoluluKo Samui

HNL - USM

HNLUSM

Honolulu

Thu 4/17

12:55 pm-9:00 pm

2 stops39h 05m

Ko Samui

Thu 4/24

8:00 am-11:10 am

2 stops44h 10m

$2,146

HonoluluKo Samui

HNL - USM

HNLUSM

Honolulu

Thu 4/17

9:39 pm-10:30 am

3 stops43h 51m

Ko Samui

Thu 4/24

7:00 pm-7:41 pm

3 stops41h 41m

$2,565

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/23

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 March 25, 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 21% versus a flight in the morning.

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).

Reviews of airlines servicing Ko Samui

Get insights into the airlines that provide service to Ko Samui. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ko Samui. Reviews last updated March 25, 2025.
Cathay Pacific
7.5
Good
833 reviews

Crew

8.0

Overall

7.5

Boarding

7.8

Food

7.2

Comfort

7.6

Entertainment

7.7

Reviews

1 / 20
2.0
Mediocre

Anonymous,Mar 2025

BOS - HKG

It would have been nice to understand the dates of takeoff! We missed our flight and now have to pay an extra $454.00 Very stressful and not easy to check in or get information
Cathay Pacific
7.5
Good
833 reviews
Cathay Pacific
7.5
Good
833 reviews

Crew

8.0

Overall

7.5

Boarding

7.8

Food

7.2

Comfort

7.6

Entertainment

7.7

Reviews

1 / 20
2.0
Mediocre

Anonymous,Mar 2025

BOS - HKG

It would have been nice to understand the dates of takeoff! We missed our flight and now have to pay an extra $454.00 Very stressful and not easy to check in or get information
Qatar Airways
7.4
Good
3,540 reviews
Cathay Pacific
7.5
Good
833 reviews

Crew

8.0

Overall

7.5

Boarding

7.8

Food

7.2

Comfort

7.6

Entertainment

7.7

Reviews

1 / 20
2.0
Mediocre

Anonymous,Mar 2025

BOS - HKG

It would have been nice to understand the dates of takeoff! We missed our flight and now have to pay an extra $454.00 Very stressful and not easy to check in or get information
Philippine Airlines
7.2
Good
840 reviews
Cathay Pacific
7.5
Good
833 reviews

Crew

8.0

Overall

7.5

Boarding

7.8

Food

7.2

Comfort

7.6

Entertainment

7.7

Reviews

1 / 20
2.0
Mediocre

Anonymous,Mar 2025

BOS - HKG

It would have been nice to understand the dates of takeoff! We missed our flight and now have to pay an extra $454.00 Very stressful and not easy to check in or get information

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.

  • 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.

Traveling to a place near Honolulu?

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Ko Tao
Ko Pha Ngan

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