$206 Cheap Flights from Hong Kong (HKG) to Samui Intl. Airport (USM)

View $206 flight on Tue, Sep 2, 2025Opens in a new window

Popular airlines from Hong Kong International Airport (HKG) to Samui Intl. Airport (USM)

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Cheap Flights from Hong Kong to Samui Intl. Airport (HKG-USM)

Prices were available within the past 7 days and start at $206 for one-way flights and $383 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Emirates
Mon, Nov 24 - Thu, Nov 27
HKG
Hong Kong SAR
USM
Koh Samui
$383 Roundtrip, found 1 day ago
$383
Roundtrip
found 1 day ago
Select Emirates flight, departing Mon, Nov 24 from Hong Kong SAR to Koh Samui, returning Thu, Nov 27, priced at $383 found 1 day ago
Emirates
Tue, Jun 24 - Tue, Jul 1
HKG
Hong Kong SAR
USM
Koh Samui
$384 Roundtrip, found 1 day ago
$384
Roundtrip
found 1 day ago
Select Emirates flight, departing Tue, Jun 24 from Hong Kong SAR to Koh Samui, returning Tue, Jul 1, priced at $384 found 1 day ago
Emirates
Thu, Nov 13 - Thu, Nov 20
HKG
Hong Kong SAR
USM
Koh Samui
$385 Roundtrip, found 6 days ago
$385
Roundtrip
found 6 days ago
Select Emirates flight, departing Thu, Nov 13 from Hong Kong SAR to Koh Samui, returning Thu, Nov 20, priced at $385 found 6 days ago
Emirates
Thu, Jul 3 - Sun, Jul 6
HKG
Hong Kong SAR
USM
Koh Samui
$389 Roundtrip, found 1 day ago
$389
Roundtrip
found 1 day ago
Select Emirates flight, departing Thu, Jul 3 from Hong Kong SAR to Koh Samui, returning Sun, Jul 6, priced at $389 found 1 day ago
Emirates
Tue, Jul 1 - Sun, Jul 6
HKG
Hong Kong SAR
USM
Koh Samui
$390 Roundtrip, found 1 day ago
$390
Roundtrip
found 1 day ago
Select Emirates flight, departing Tue, Jul 1 from Hong Kong SAR to Koh Samui, returning Sun, Jul 6, priced at $390 found 1 day ago
Emirates
Sat, Jul 19 - Fri, Jul 25
HKG
Hong Kong SAR
USM
Koh Samui
$391 Roundtrip, found 4 days ago
$391
Roundtrip
found 4 days ago
Select Emirates flight, departing Sat, Jul 19 from Hong Kong SAR to Koh Samui, returning Fri, Jul 25, priced at $391 found 4 days ago
Scoot
Fri, Aug 29 - Mon, Sep 1
HKG
Hong Kong SAR
USM
Koh Samui
$397 Roundtrip, found 10 hours ago
$397
Roundtrip
found 10 hours ago
Select Scoot flight, departing Fri, Aug 29 from Hong Kong SAR to Koh Samui, returning Mon, Sep 1, priced at $397 found 10 hours ago
Thai Airways International
Tue, Jun 24 - Tue, Jul 1
HKG
Hong Kong SAR
USM
Koh Samui
$419 Roundtrip, found 1 day ago
$419
Roundtrip
found 1 day ago
Select Thai Airways International flight, departing Tue, Jun 24 from Hong Kong SAR to Koh Samui, returning Tue, Jul 1, priced at $419 found 1 day ago
Singapore Airlines
Thu, Nov 27 - Sun, Nov 30
HKG
Hong Kong SAR
USM
Koh Samui
$424 Roundtrip, found 1 day ago
$424
Roundtrip
found 1 day ago
Select Singapore Airlines flight, departing Thu, Nov 27 from Hong Kong SAR to Koh Samui, returning Sun, Nov 30, priced at $424 found 1 day ago
EVA Airways
Thu, Nov 27 - Sat, Nov 29
HKG
Hong Kong SAR
USM
Koh Samui
$530 Roundtrip, found 1 day ago
$530
Roundtrip
found 1 day ago
Select EVA Airways flight, departing Thu, Nov 27 from Hong Kong SAR to Koh Samui, returning Sat, Nov 29, priced at $530 found 1 day ago

Find the cheapest month to fly from Chek Lap Kok (HKG) to Koh Samui (USM)

October is typically the cheapest month to fly

From $327 - $506 per traveler.

Graph displaying average flight prices per month

Alternative airports near Koh Samui

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Samui Intl. Airport USM. Cheapest and Closest option available. Average driving time to city center is 31 minutes. Flights from $659
USM
Samui Intl. Airport
CheapestClosest
Average driving time to city center31 min
Flights from $659
Flights from Hong Kong (HKG) to Samui Intl. Airport (USM)
Origin airport
Hong Kong Intl.
Destination airport
Samui Intl. Airport
Airlines serving
Bangkok Airways, Cathay Pacific, EVA Airways, Emirates, Hong Kong Airlines, Scoot, Singapore Airlines, Thai Airways International
Roundtrip price
$383
Distance
1273 mi
Average flight time
3 hours 20 mins

Hong Kong to Samui Intl. Airport Flights

The cheapest times to fly from Hong Kong to Samui Intl. Airport

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Hong Kong to Samui Intl. Airport are during the month of November. You can find some of the cheapest flights from Hong Kong to Samui Intl. Airport with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Hong Kong to Samui Intl. Airport

Sunday is one of the best days to book for cheap flights from Hong Kong to Samui Intl. Airport: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Hong Kong to Samui Intl. Airport

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Hong Kong to Samui Intl. Airport in 2025. You can also book with separate airlines for your outbound and return journeys, from $206 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Hong Kong to Samui Intl. Airport flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Hong Kong to Samui Intl. Airport airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Hong Kong Intl. Airport (HKG) to Ko Samui Airport (USM) cost?
You can find cheap return fares from Hong Kong Intl. Airport (HKG) to Ko Samui Airport (USM) starting from $609. Grab a seat and be on your way. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Hong Kong Airlines flight leaving HKG on June 21 2025 and touching down at USM. The price was last updated on June 18 2025 and has not changed since.
What is the cheapest month to fly from HKG to USM?
The cheapest flights from HKG to USM are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Hong Kong Intl. Airport (HKG) to Ko Samui Airport (USM)?
You can travel nonstop from Hong Kong Intl. Airport (HKG) to Ko Samui Airport (USM) on a Bangkok Airways flight.
What is the cheapest airline that flies from HKG to USM?
Take off from HKG to USM with Hong Kong Airlines. This airline currently has the cheapest one-way ticket for this route, starting from $337. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from HKG on August 31 2025. Prices were last updated on June 18 2025 and have not changed since.
How many flights per day from Hong Kong Intl. Airport (HKG) to Ko Samui Airport (USM)?
On average, only 1 nonstop flight departs daily from Hong Kong Intl. Airport (HKG) to Ko Samui Airport (USM). Want more options? Use our filters to discover flights with layovers and add a new destination to your journey.
What are the most popular departure times for flights from Hong Kong Intl. Airport (HKG) to Ko Samui Airport (USM)?
The 5 PM departures from HKG to USM are the busiest. These flights can come with a higher price due to their popularity. If you want to save on your fare, choose a less crowded time to fly.
What day of the week has the most flights from HKG to USM?
Fly on a Friday if you're after the largest selection of flights from Hong Kong Intl. Airport (HKG) to Ko Samui Airport (USM).
What is the earliest flight from Hong Kong Intl. Airport (HKG) to Ko Samui Airport (USM)?
The first flight of the day leaving from Hong Kong Intl. Airport (HKG) is at around 5:05PM UTC+8. Hop on this flight and you'll reach Ko Samui Airport (USM) at approximately 7:35PM UTC+7. The total time in the air is 3h 30m.
How long does it take to fly from Hong Kong Intl. Airport (HKG) to Ko Samui Airport (USM)?
Typically, it takes 3 hours and 30 minutes to fly the 1,300 mi from HKG to USM.
What airline has the least delays from HKG to USM?
With 90% of journeys generally arriving on time, Bangkok Airways has the best on-time performance for nonstop flights from Hong Kong Intl. Airport (HKG) to Ko Samui Airport (USM). To check your flight status and get notifications if anything changes, head to the Expedia App.
What is the best time to fly from Hong Kong Intl. Airport (HKG) to Ko Samui Airport (USM)?
To avoid possible delays on the Hong Kong Intl. Airport (HKG) to Ko Samui Airport (USM) route, aim to fly before 3 PM. Flights after this time have a 22% higher chance of being canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Koh Samui from Hong Kong Intl. Airport (HKG)?
Compare your flight options from Hong Kong Intl. Airport (HKG) to Ko Samui Airport (USM). This is the only Koh Samui airport you can touch down at if you're taking a direct flight.
Is it cheaper to buy a plane ticket from Hong Kong Intl. Airport (HKG) to Ko Samui Airport (USM) last-minute?
Holding off until just before your departure to book a flight from HKG to USM generally means paying more. While you may find some last-minute deals, there's no guarantee. Keep your travel plans flexible to boost your chances of snagging a bargain.
Is it cheaper to book a HKG to USM flight and hotel package?
Booking a HKG to USM flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip all in one place. Choose from our wide range of stays and then add car rentals, activities and flights to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Hong Kong Intl. Airport (HKG) to Ko Samui Airport (USM)?
If you reserved your HKG to USM flight within the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the type of ticket you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal if you want more information.

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*Available to One Key members.