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Cheap flights from Honolulu to Ko Samui from $1,164

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Honolulu to Ko Samui departing on 6/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from Honolulu to Ko Samui

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
1:35 pm - 8:15 am
HNL
-
USM
25h 40m
2 stops
Multiple Airlines Logo
6:00 am - 10:20 am
USM
-
HNL
21h 20m
2 stops
$1,164Multiple Airlines
Sun, Jun 14 - Wed, Jun 24
Multiple Airlines Logo
4:05 pm - 8:30 pm
HNL
-
USM
35h 25m
2 stops
Multiple Airlines Logo
3:30 pm - 10:45 am
USM
-
HNL
36h 15m
2 stops
$1,206Multiple Airlines
Fri, Apr 24 - Fri, May 1
Multiple Airlines Logo
12:10 pm - 7:10 am
HNL
-
USM
26h 00m
2 stops
Multiple Airlines Logo
6:00 am - 10:10 am
USM
-
HNL
21h 10m
2 stops
$1,274Multiple Airlines
Fri, May 8 - Fri, Jun 5
Multiple Airlines Logo
1:35 pm - 8:15 am
HNL
-
USM
25h 40m
2 stops
Multiple Airlines Logo
6:00 am - 10:20 am
USM
-
HNL
21h 20m
2 stops
$1,281Multiple Airlines
Thu, May 28 - Sun, Jun 7
Multiple Airlines Logo
9:50 am - 10:10 am
HNL
-
USM
31h 20m
3 stops
Multiple Airlines Logo
6:00 am - 7:50 am
USM
-
HNL
42h 50m
3 stops
$1,337Multiple Airlines
Sun, Jun 14 - Wed, Jun 24
Multiple Airlines Logo
12:35 pm - 7:45 am
HNL
-
USM
26h 10m
2 stops
Multiple Airlines Logo
8:40 am - 10:35 am
USM
-
HNL
42h 55m
2 stops
$1,358Multiple Airlines
Mon, May 11 - Mon, May 18
Multiple Airlines Logo
9:25 am - 7:45 am
HNL
-
USM
29h 20m
3 stops
Multiple Airlines Logo
8:40 am - 7:25 am
USM
-
HNL
39h 45m
3 stops
$1,372Multiple Airlines
Sun, Apr 19 - Thu, Apr 23
Multiple Airlines Logo
9:50 am - 7:45 am
HNL
-
USM
28h 55m
3 stops
Multiple Airlines Logo
6:00 am - 11:20 am
USM
-
HNL
22h 20m
2 stops
$1,382Multiple Airlines
Sun, Jun 14 - Wed, Jun 24
Cathay Pacific Logo
1:10 pm - 7:40 pm
HNL
-
USM
37h 30m
2 stops
Cathay Pacific Logo
11:55 am - 9:55 am
USM
-
HNL
39h 00m
3 stops
$1,446Cathay Pacific
Mon, May 11 - Mon, May 18
Multiple Airlines Logo
1:25 pm - 9:35 pm
HNL
-
USM
39h 10m
2 stops
Multiple Airlines Logo
3:30 pm - 10:20 am
USM
-
HNL
35h 50m
2 stops
$1,482Multiple Airlines
Sun, Apr 19 - Thu, Apr 23

Qatar Airways flights from Honolulu to Ko Samui

Our best Qatar Airways deals on Honolulu to Ko Samui flight tickets
Qatar Airways
Sep 1
HNL8:40 pmHonolulu
44h 50m
3 stops
USM10:30 amKo Samui
Sep 5
USM6:55 pmKo Samui
41h 15m
3 stops
HNL7:10 pmHonolulu
$1,624
Qatar Airways
Aug 24
HNL8:40 pmHonolulu
44h 50m
3 stops
USM10:30 amKo Samui
Aug 27
USM8:35 pmKo Samui
41h 20m
3 stops
HNL8:55 pmHonolulu
$1,776

Cathay Pacific flights from Honolulu to Ko Samui

Our best Cathay Pacific deals on Honolulu to Ko Samui flight tickets
Cathay Pacific
May 11
HNL1:10 pmHonolulu
37h 30m
2 stops
USM7:40 pmKo Samui
May 18
USM11:55 amKo Samui
39h 00m
3 stops
HNL9:55 amHonolulu
$1,446
Cathay Pacific
May 11
HNL1:10 pmHonolulu
61h 30m
3 stops
USM7:40 pmKo Samui
May 18
USM11:55 amKo Samui
39h 50m
3 stops
HNL10:45 amHonolulu
$1,494
Cathay Pacific
Apr 19
HNL1:10 pmHonolulu
37h 30m
2 stops
USM7:40 pmKo Samui
Apr 23
USM11:55 amKo Samui
39h 50m
3 stops
HNL10:45 amHonolulu
$1,830

momondo 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, momondo users made 832,500 searches. Data last updated March 28, 2026.
Use the filters below to find and compare flights from Honolulu to Ko Samui that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

HonoluluKo Samui

HNL - USM

HNLUSM

Honolulu

Sun 6/14

1:35 pm-8:15 am

2 stops25h 40m

Ko Samui

Wed 6/24

6:00 am-10:20 am

2 stops21h 20m

$1,164

HonoluluKo Samui

HNL - USM

HNLUSM

Honolulu

Fri 4/24

4:05 pm-8:30 pm

2 stops35h 25m

Ko Samui

Fri 5/1

3:30 pm-10:45 am

2 stops36h 15m

$1,206

HonoluluKo Samui

HNL - USM

HNLUSM

Honolulu

Fri 5/8

12:10 pm-7:10 am

2 stops26h 00m

Ko Samui

Fri 6/5

6:00 am-10:10 am

2 stops21h 10m

$1,274

HonoluluKo Samui

HNL - USM

HNLUSM

Honolulu

Thu 5/28

1:35 pm-8:15 am

2 stops25h 40m

Ko Samui

Sun 6/7

6:00 am-10:20 am

2 stops21h 20m

$1,281

HonoluluKo Samui

HNL - USM

HNLUSM

Honolulu

Sun 6/14

9:50 am-10:10 am

3 stops31h 20m

Ko Samui

Wed 6/24

6:00 am-7:50 am

3 stops42h 50m

$1,337

HonoluluKo Samui

HNL - USM

HNLUSM

Honolulu

Mon 5/11

12:35 pm-7:45 am

2 stops26h 10m

Ko Samui

Mon 5/18

8:40 am-10:35 am

2 stops42h 55m

$1,358

HonoluluKo Samui

HNL - USM

HNLUSM

Honolulu

Sun 4/19

9:25 am-7:45 am

3 stops29h 20m

Ko Samui

Thu 4/23

8:40 am-7:25 am

3 stops39h 45m

$1,372

HonoluluKo Samui

HNL - USM

HNLUSM

Honolulu

Sun 6/14

9:50 am-7:45 am

3 stops28h 55m

Ko Samui

Wed 6/24

6:00 am-11:20 am

2 stops22h 20m

$1,382

HonoluluKo Samui

HNL - USM

HNLUSM

Honolulu

Mon 5/11

1:10 pm-7:40 pm

2 stops37h 30m

Ko Samui

Mon 5/18

11:55 am-9:55 am

3 stops39h 00m

$1,446

HonoluluKo Samui

HNL - USM

HNLUSM

Honolulu

Sun 4/19

1:25 pm-9:35 pm

2 stops39h 10m

Ko Samui

Thu 4/23

3:30 pm-10:20 am

2 stops35h 50m

$1,482

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Ko Samui from

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

Fastest flight time

26h 00m

Direct flights

None
The fastest flight from Honolulu to Ko Samui takes 26h 00m
There are no direct flights from Honolulu to Ko Samui. There are no popular flight routes from Honolulu to Ko Samui.
Search flight deals

  • 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 26h 00m 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.

Traveling to a place near Ko Samui?

Book flights to Ko Samui if you plan to visit one of these locations
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.

An easier way to manage your Ko Samui trip

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