$139 Cheap Flights from Samui Intl. Airport (USM) to Hong Kong (HKG)

View $139 flight on Wed, May 21, 2025Opens in a new window

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

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Find available prices by choosing your travel dates.

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

Prices were available within the past 7 days and start at $139 for one-way flights and $294 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Scoot
Thu, May 22 - Tue, Jun 10
USM
Koh Samui
HKG
Hong Kong SAR
$294 Roundtrip, found 2 days ago
$294
Roundtrip
found 2 days ago
Select Scoot flight, departing Thu, May 22 from Koh Samui to Hong Kong SAR, returning Tue, Jun 10, priced at $294 found 2 days ago
Scoot
Thu, May 22 - Tue, May 27
USM
Koh Samui
HKG
Hong Kong SAR
$295 Roundtrip, found 5 days ago
$295
Roundtrip
found 5 days ago
Select Scoot flight, departing Thu, May 22 from Koh Samui to Hong Kong SAR, returning Tue, May 27, priced at $295 found 5 days ago
Scoot
Thu, May 22 - Tue, Jun 10
USM
Koh Samui
HKG
Hong Kong SAR
$338 Roundtrip, found 2 days ago
$338
Roundtrip
found 2 days ago
Select Scoot flight, departing Thu, May 22 from Koh Samui to Hong Kong SAR, returning Tue, Jun 10, priced at $338 found 2 days ago
Scoot
Thu, May 22 - Tue, May 27
USM
Koh Samui
HKG
Hong Kong SAR
$339 Roundtrip, found 5 days ago
$339
Roundtrip
found 5 days ago
Select Scoot flight, departing Thu, May 22 from Koh Samui to Hong Kong SAR, returning Tue, May 27, priced at $339 found 5 days ago
Scoot
Tue, Sep 23 - Wed, Sep 24
USM
Koh Samui
HKG
Hong Kong SAR
$350 Roundtrip, found 4 days ago
$350
Roundtrip
found 4 days ago
Select Scoot flight, departing Tue, Sep 23 from Koh Samui to Hong Kong SAR, returning Wed, Sep 24, priced at $350 found 4 days ago
Scoot
Thu, Jun 5 - Sun, Jun 8
USM
Koh Samui
HKG
Hong Kong SAR
$357 Roundtrip, found 4 days ago
$357
Roundtrip
found 4 days ago
Select Scoot flight, departing Thu, Jun 5 from Koh Samui to Hong Kong SAR, returning Sun, Jun 8, priced at $357 found 4 days ago
Scoot
Tue, Jun 17 - Thu, Jul 17
USM
Koh Samui
HKG
Hong Kong SAR
$365 Roundtrip, found 4 days ago
$365
Roundtrip
found 4 days ago
Select Scoot flight, departing Tue, Jun 17 from Koh Samui to Hong Kong SAR, returning Thu, Jul 17, priced at $365 found 4 days ago
Scoot
Sun, Jun 8 - Thu, Jun 12
USM
Koh Samui
HKG
Hong Kong SAR
$369 Roundtrip, found 4 days ago
$369
Roundtrip
found 4 days ago
Select Scoot flight, departing Sun, Jun 8 from Koh Samui to Hong Kong SAR, returning Thu, Jun 12, priced at $369 found 4 days ago
Scoot
Thu, May 15 - Sun, May 18
USM
Koh Samui
HKG
Hong Kong SAR
$372 Roundtrip, found 4 days ago
$372
Roundtrip
found 4 days ago
Select Scoot flight, departing Thu, May 15 from Koh Samui to Hong Kong SAR, returning Sun, May 18, priced at $372 found 4 days ago
Scoot
Thu, May 22 - Tue, Jun 10
USM
Koh Samui
HKG
Hong Kong SAR
$386 Roundtrip, found 2 days ago
$386
Roundtrip
found 2 days ago
Select Scoot flight, departing Thu, May 22 from Koh Samui to Hong Kong SAR, returning Tue, Jun 10, priced at $386 found 2 days ago
Flights from Samui Intl. Airport (USM) to Hong Kong (HKG)
Origin airport
Samui Intl. Airport
Destination airport
Hong Kong Intl.
Airlines serving
Bangkok Airways, Cathay Pacific, EVA Airways, Hong Kong Airlines, Scoot, Thai Airways International
Roundtrip price
$294
Distance
1273 mi

Samui Intl. Airport to Hong Kong Flights

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

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 Samui Intl. Airport to Hong Kong are during the month of May. You can find some of the cheapest flights from Samui Intl. Airport to Hong Kong with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from Samui Intl. Airport to Hong Kong: 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 Samui Intl. Airport to Hong Kong

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 Samui Intl. Airport to Hong Kong in 2025. You can also book with separate airlines for your outbound and return journeys, from $139 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 Samui Intl. Airport to Hong Kong 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 Samui Intl. Airport to Hong Kong 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 Ko Samui Airport (USM) to Hong Kong Intl. Airport (HKG) cost?
Cheap return fares from Ko Samui Airport (USM) to Hong Kong Intl. Airport (HKG) start at $554. 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 Bangkok Airways flight leaving USM on May 1 2025 and touching down at HKG. The price was last updated on April 28 2025 and has not changed since.
What is the cheapest month to fly from USM to HKG?
The cheapest flights from USM to HKG 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 Ko Samui Airport (USM) to Hong Kong Intl. Airport (HKG)?
When flying out of Ko Samui Airport (USM), you can take a direct flight to Hong Kong Intl. Airport (HKG) with Bangkok Airways.
What is the cheapest airline that flies from USM to HKG?
With tickets starting at $303 for a one-way journey from USM to HKG, Bangkok Airways is currently the cheapest airline operating this route. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from USM on June 27 2025. Prices were last updated on April 28 2025 and have not changed since.
How many flights per day from Ko Samui Airport (USM) to Hong Kong Intl. Airport (HKG)?
On average, just 1 direct flight departs daily from Ko Samui Airport (USM) to Hong Kong Intl. Airport (HKG). Looking for more options? Use Expedia’s filters to find flights with layovers and explore a new city along the way.
What are the most popular departure times for flights from Ko Samui Airport (USM) to Hong Kong Intl. Airport (HKG)?
More travelers fly between USM and HKG at 11 AM than at any other point in the day. Looking to skip the crowds? Consider flying outside peak hours and you could save on your fare as well.
What day of the week has the most flights from USM to HKG?
Fly on a Friday if you’re after the largest selection of flights from Ko Samui Airport (USM) to Hong Kong Intl. Airport (HKG).
What is the earliest flight from Ko Samui Airport (USM) to Hong Kong Intl. Airport (HKG)?
Take the earliest flight at around 11:40AM UTC+7, departing from Ko Samui Airport (USM). You’ll be traveling for about 3h 15m, arriving at Hong Kong Intl. Airport (HKG) at approximately 3:55PM UTC+8.
How long does it take to fly from Ko Samui Airport (USM) to Hong Kong Intl. Airport (HKG)?
The average flight time from USM to HKG is 3 hours and 15 minutes, covering a distance of 1,300 mi.
What airline has the least delays from USM to HKG?
Consider traveling with Bangkok Airways if you’d like to fly straight from Ko Samui Airport (USM) to Hong Kong Intl. Airport (HKG) without any holdups. This carrier has the strongest track record for punctuality, with an on-time performance of 91%. Want real-time updates? You can keep an eye on your flight status using the Expedia App.
What is the best time to fly from Ko Samui Airport (USM) to Hong Kong Intl. Airport (HKG)?
To avoid possible delays on the Ko Samui Airport (USM) to Hong Kong Intl. Airport (HKG) route, fly before 3 PM. Flights after this time are 22% more likely to be 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 Hong Kong from Ko Samui Airport (USM)?
Hong Kong Intl. Airport (HKG) is the only airport in Hong Kong with direct flights from Ko Samui Airport (USM). Explore the available options and discover affordable fares on Expedia.
Is it cheaper to buy a plane ticket from Ko Samui Airport (USM) to Hong Kong Intl. Airport (HKG) last-minute?
Last-minute fares from USM to HKG are usually more expensive. For the best prices, start looking for flights ahead of time. That said, if your travel plans are flexible, you may score a cheap fare just before your departure.
Is it cheaper to book an USM to HKG flight and hotel package?
Compared with arranging hotels and flights separately, booking an USM to HKG flight and hotel package with Expedia could lead to significant savings. What’s more, managing everything in one place takes the hassle out of planning your trip. Just secure your flights and choose from our extensive range of hotels, then personalize your trip with extras like tours and car rentals.
Can I cancel or change the date of my flight from Ko Samui Airport (USM) to Hong Kong Intl. Airport (HKG)?
Typically, it’s possible to cancel or reschedule your USM to HKG flight. However, if the booking was made more than 24 hours ago, additional charges may apply. Refer to your airline’s policies in your itinerary to see what changes are possible and whether any costs are involved. You’ll also find more information on our Customer Service portal.

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*Available to One Key members.