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Cheap flights from Honolulu to Ko Samui from $1,216

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 9/14. 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

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
8:00 am - 7:40 pmHNL  Honolulu-USM Ko Samui
42h 40m2 stops Los Angeles Hong Kong Intl
Multiple Airlines Logo
11:55 am - 9:58 amUSM  Ko Samui-HNL Honolulu
39h 03m2 stops Hong Kong Intl Los Angeles
$1,216Multiple Airlines
Mon, Sep 14 - Mon, Sep 21
Multiple Airlines Logo
1:35 pm - 7:40 pmHNL  Honolulu-USM Ko Samui
61h 05m3 stops Tokyo Narita Taipei City Taiwan Taoyuan Intl Hong Kong Intl
Multiple Airlines Logo
11:55 am - 9:08 pmUSM  Ko Samui-HNL Honolulu
26h 13m2 stops Hong Kong Intl Los Angeles
$1,250Multiple Airlines
Mon, Sep 14 - Mon, Sep 21
Multiple Airlines Logo
1:35 pm - 7:40 pmHNL  Honolulu-USM Ko Samui
61h 05m3 stops Tokyo Narita Taipei City Taiwan Taoyuan Intl Hong Kong Intl
Multiple Airlines Logo
7:45 pm - 11:00 amUSM  Ko Samui-HNL Honolulu
32h 15m3 stops Singapore Changi Taipei City Taiwan Taoyuan Intl Osaka Kansai Intl
$1,453Multiple Airlines
Mon, Sep 14 - Mon, Sep 21
Philippine Airlines Logo
12:20 pm - 7:45 amHNL  Honolulu-USM Ko Samui
26h 25m2 stops Manila Ninoy Aquino Intl Bangkok Suvarnabhumi
Philippine Airlines Logo
7:55 am - 10:40 amUSM  Ko Samui-HNL Honolulu
19h 45m2 stops Bangkok Suvarnabhumi Manila Ninoy Aquino Intl
$2,100Philippine Airlines
Tue, Nov 3 - Sat, Nov 7
Philippine Airlines Logo
12:20 pm - 7:45 amHNL  Honolulu-USM Ko Samui
26h 25m2 stops Manila Ninoy Aquino Intl Bangkok Suvarnabhumi
Philippine Airlines Logo
7:55 am - 10:40 amUSM  Ko Samui-HNL Honolulu
19h 45m2 stops Bangkok Suvarnabhumi Manila Ninoy Aquino Intl
$2,180Philippine Airlines
Tue, Nov 3 - Sat, Nov 7

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Philippine Airlines flights from Honolulu to Ko Samui

Our best Philippine Airlines deals on Honolulu to Ko Samui flight tickets
Philippine Airlines
Nov 3
HNL12:20 pmHonolulu
26h 25m
2 stops
USM7:45 amKo Samui
Nov 7
USM7:55 amKo Samui
19h 45m
2 stops
HNL10:40 amHonolulu
$2,100
Philippine Airlines
Nov 3
HNL12:20 pmHonolulu
26h 25m
2 stops
USM7:45 amKo Samui
Nov 7
USM7:55 amKo Samui
19h 45m
2 stops
HNL10:40 amHonolulu
$2,180

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 August 16, 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

HonoluluKo Samui

HNL Honolulu - USM Ko Samui

HNLUSM

Honolulu

Mon 9/14

8:00 am-7:40 pm

2 stops42h 40m

Ko Samui

Mon 9/21

11:55 am-9:58 am

2 stops39h 03m

$1,216

HonoluluKo Samui

HNL Honolulu - USM Ko Samui

HNLUSM

Honolulu

Mon 9/14

1:35 pm-7:40 pm

3 stops61h 05m

Ko Samui

Mon 9/21

11:55 am-9:08 pm

2 stops26h 13m

$1,250

HonoluluKo Samui

HNL Honolulu - USM Ko Samui

HNLUSM

Honolulu

Mon 9/14

1:35 pm-7:40 pm

3 stops61h 05m

Ko Samui

Mon 9/21

7:45 pm-11:00 am

3 stops32h 15m

$1,453
Quickest round-trip

HonoluluKo Samui

HNL Honolulu - USM Ko Samui

HNLUSM

Honolulu

Tue 11/3

12:20 pm-7:45 am

2 stops26h 25m

Ko Samui

Sat 11/7

7:55 am-10:40 am

2 stops19h 45m

$2,100

HonoluluKo Samui

HNL Honolulu - USM Ko Samui

HNLUSM

Honolulu

Tue 11/3

12:20 pm-7:45 am

2 stops26h 25m

Ko Samui

Sat 11/7

7:55 am-10:40 am

2 stops19h 45m

$2,180

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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 25m

Direct flights

None
The fastest flight from Honolulu to Ko Samui takes 26h 25m
There are no direct flights from Honolulu to Ko Samui. There are no popular flight routes from Honolulu to Ko Samui.
Search flight deals

Frequently asked questions about flying from Honolulu to Ko Samui

  • 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 25m 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.

Frequently asked questions about flying from Honolulu to Ko Samui

  • How do I get Price Alerts for flights from Honolulu to Ko Samui?

    Search flight deals from Honolulu to Ko Samui. While viewing offers you’ll have the option to create a Price Alert.

  • How can I save money on flights from Honolulu to Ko Samui with momondo?

    Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

  • How does momondo find its flight prices?

    We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

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.

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Tue 9/15
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