When did momondo last update prices for flights from Honolulu Airport to Ko Samui Airport?

Prices for flights from Honolulu Airport to Ko Samui Airport are updated daily.

How old do you have to be to fly from Honolulu Airport to Ko Samui Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Honolulu Airport to Ko Samui Airport.

What documentation or ID do you need to fly to Ko Samui Airport?

The required travel and health documents for your Ko Samui Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ko Samui Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$218 Cheap Flights from Honolulu to Ko Samui in 2025/26

1 adult

0 bags

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Find the cheapest flights from Honolulu to Ko Samui

Round-trip

One-way

Last minute

Cheap round-trip flights

11:35 am - 6:35 pmHNL-USM

38h 00m2 stops

10:55 am - 9:55 amUSM-HNL

40h 00m2 stops

$1,479Cathay Pacific

Find Deal

Thu, Oct 16 - Mon, Oct 20

11:35 am - 6:35 pmHNL-USM

38h 00m2 stops

10:55 am - 10:45 amUSM-HNL

40h 50m3 stops

$1,502Cathay Pacific

Find Deal

Thu, Oct 16 - Mon, Oct 20

12:55 pm - 3:45 pmHNL-USM

33h 50m2 stops

7:55 am - 10:25 amUSM-HNL

43h 30m2 stops

$4,200Multiple Airlines

Find Deal

Tue, Oct 14 - Fri, Oct 31

11:35 am - 3:45 pmHNL-USM

35h 10m3 stops

4:30 pm - 9:00 amUSM-HNL

33h 30m3 stops

$14,616Multiple Airlines

Find Deal

Tue, Oct 14 - Fri, Oct 31

11:35 am - 3:45 pmHNL-USM

35h 10m3 stops

8:20 pm - 8:40 amUSM-HNL

29h 20m2 stops

$15,177Multiple Airlines

Find Deal

Tue, Oct 14 - Fri, Oct 31

Cathay Pacific flights from Honolulu to Ko Samui

Our best Cathay Pacific deals on Honolulu to Ko Samui flight tickets

Cathay Pacific

Oct 16

HNL11:35 amHonolulu

38h 00m

2 stops

USM6:35 pmKo Samui

Oct 20

USM10:55 amKo Samui

40h 00m

2 stops

HNL9:55 amHonolulu

$1,479

Find similar

Cathay Pacific

Oct 16

HNL11:35 amHonolulu

38h 00m

2 stops

USM6:35 pmKo Samui

Oct 20

USM10:55 amKo Samui

40h 50m

3 stops

HNL10:45 amHonolulu

$1,502

Find similar

Cathay Pacific

Sep 20

HNL1:35 pmHonolulu

60h 00m

3 stops

USM6:35 pmKo Samui

Sep 27

USM10:55 amKo Samui

41h 05m

2 stops

HNL11:00 amHonolulu

$1,617

Find similar

Fly from

Fly to

Route

Depart

Return

Price

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

Thu 10/16

11:35 am-6:35 pm

2 stops38h 00m

Ko Samui

Mon 10/20

10:55 am-10:45 am

3 stops40h 50m

$1,502

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

HonoluluKo Samui

HNL - USM

HNLUSM

Honolulu

Tue 10/14

11:35 am-3:45 pm

3 stops35h 10m

Ko Samui

Fri 10/31

4:30 pm-9:00 am

3 stops33h 30m

$14,616

HonoluluKo Samui

HNL - USM

HNLUSM

Honolulu

Tue 10/14

11:35 am-3:45 pm

3 stops35h 10m

Ko Samui

Fri 10/31

8:20 pm-8:40 am

2 stops29h 20m

$15,177

HonoluluKo Samui

HNL - USM

HNLUSM

Honolulu

Sun 10/12

12:55 pm-7:35 am

2 stops25h 40m

$512

HonoluluKo Samui

HNL - USM

HNLUSM

Honolulu

Sun 10/12

12:55 pm-7:50 am

3 stops25h 55m

$606

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from Honolulu to Ko Samui

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Ko Samui?

Our data shows that Tuesday is the least expensive day to fly to Ko Samui. Tickets to fly out on this day can be as low as $440. Flights from Honolulu to Ko Samui on a Saturday will generally be more expensive and average around $1,118. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Ko Samui?

Our data shows that the cheapest Honolulu to Ko Samui flights are usually those with departure times in the afternoon. Our users have found flights to Ko Samui in the afternoon for as low as $500. At noon is when there is more demand to fly to Ko Samui, so prices are often more expensive at around $622 per ticket.

When to book flights from Honolulu to Ko Samui

Are you open to changing your travel dates? Check out the ideal times to fly from Honolulu to Ko Samui according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Honolulu to Ko Samui (HNL to USM) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Honolulu to Ko Samui

Direct flights	None

There are no direct flights from Honolulu to Ko Samui. There are no popular flight routes from Honolulu to Ko Samui.

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How far is Honolulu to Ko Samui by plane?
A flight from Honolulu to Ko Samui will travel around 6739.0 mi. Typically, this will take 33h 50m by plane in normal conditions.
When did momondo last update prices for flights from Honolulu Airport to Ko Samui Airport?
Prices for flights from Honolulu Airport to Ko Samui Airport are updated daily.
How old do you have to be to fly from Honolulu Airport to Ko Samui Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Honolulu Airport to Ko Samui Airport.
What documentation or ID do you need to fly to Ko Samui Airport?
The required travel and health documents for your Ko Samui Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ko Samui Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Ko Pha Ngan

Ko Tao

Khanom

Why use momondo?

Why should I use momondo to find a flight deal from Honolulu to Ko Samui?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Honolulu to Ko Samui. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Honolulu to Ko Samui with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Ko Samui from Honolulu with this policy.

How can momondo help me find flights from Honolulu to Ko Samui?

Once you have performed a search for Honolulu to Ko Samui flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Honolulu to Ko Samui right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Honolulu to Ko Samui flights. All you need is a valid email address and we will do the rest; it is that quick and easy.