$107 Cheap Flights from Phuket (HKT) to Samui Intl. Airport (USM)

View $107 flight on Wed, Sep 24, 2025Opens in a new window

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Find available prices by choosing your travel dates.

Cheap Flights from Phuket to Samui Intl. Airport (HKT-USM)

Prices were available within the past 7 days and start at $107 for one-way flights and $220 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Bangkok Airways
Wed, Jun 4 - Sun, Jun 8
HKT
Phuket
USM
Koh Samui
$220 Roundtrip, found 2 hours ago
$220
Roundtrip
found 2 hours ago
Select Bangkok Airways flight, departing Wed, Jun 4 from Phuket to Koh Samui, returning Sun, Jun 8, priced at $220 found 2 hours ago
Bangkok Airways
Wed, Jun 4 - Sun, Jun 8
HKT
Phuket
USM
Koh Samui
$227 Roundtrip, found 2 hours ago
$227
Roundtrip
found 2 hours ago
Select Bangkok Airways flight, departing Wed, Jun 4 from Phuket to Koh Samui, returning Sun, Jun 8, priced at $227 found 2 hours ago
Bangkok Airways
Sat, Apr 26 - Wed, Apr 30
HKT
Phuket
USM
Koh Samui
$228 Roundtrip, found 22 hours ago
$228
Roundtrip
found 22 hours ago
Select Bangkok Airways flight, departing Sat, Apr 26 from Phuket to Koh Samui, returning Wed, Apr 30, priced at $228 found 22 hours ago
Bangkok Airways
Tue, May 13 - Tue, May 20
HKT
Phuket
USM
Koh Samui
$234 Roundtrip, found 2 days ago
$234
Roundtrip
found 2 days ago
Select Bangkok Airways flight, departing Tue, May 13 from Phuket to Koh Samui, returning Tue, May 20, priced at $234 found 2 days ago
Bangkok Airways
Wed, Jun 4 - Sun, Jun 8
HKT
Phuket
USM
Koh Samui
$235 Roundtrip, found 2 hours ago
$235
Roundtrip
found 2 hours ago
Select Bangkok Airways flight, departing Wed, Jun 4 from Phuket to Koh Samui, returning Sun, Jun 8, priced at $235 found 2 hours ago
Bangkok Airways
Wed, Apr 30 - Sun, May 4
HKT
Phuket
USM
Koh Samui
$236 Roundtrip, found 9 hours ago
$236
Roundtrip
found 9 hours ago
Select Bangkok Airways flight, departing Wed, Apr 30 from Phuket to Koh Samui, returning Sun, May 4, priced at $236 found 9 hours ago
Bangkok Airways
Sat, Apr 26 - Tue, Apr 29
HKT
Phuket
USM
Koh Samui
$237 Roundtrip, found 6 days ago
$237
Roundtrip
found 6 days ago
Select Bangkok Airways flight, departing Sat, Apr 26 from Phuket to Koh Samui, returning Tue, Apr 29, priced at $237 found 6 days ago
Bangkok Airways
Sat, May 3 - Mon, May 5
HKT
Phuket
USM
Koh Samui
$243 Roundtrip, found 2 days ago
$243
Roundtrip
found 2 days ago
Select Bangkok Airways flight, departing Sat, May 3 from Phuket to Koh Samui, returning Mon, May 5, priced at $243 found 2 days ago
Bangkok Airways
Wed, Apr 30 - Sun, May 4
HKT
Phuket
USM
Koh Samui
$244 Roundtrip, found 9 hours ago
$244
Roundtrip
found 9 hours ago
Select Bangkok Airways flight, departing Wed, Apr 30 from Phuket to Koh Samui, returning Sun, May 4, priced at $244 found 9 hours ago
Bangkok Airways
Sat, Apr 26 - Wed, Apr 30
HKT
Phuket
USM
Koh Samui
$245 Roundtrip, found 22 hours ago
$245
Roundtrip
found 22 hours ago
Select Bangkok Airways flight, departing Sat, Apr 26 from Phuket to Koh Samui, returning Wed, Apr 30, priced at $245 found 22 hours ago
Bangkok Airways
Sat, May 10 - Wed, May 14
HKT
Phuket
USM
Koh Samui
$253 Roundtrip, found 7 hours ago
$253
Roundtrip
found 7 hours ago
Select Bangkok Airways flight, departing Sat, May 10 from Phuket to Koh Samui, returning Wed, May 14, priced at $253 found 7 hours ago
Bangkok Airways
Sat, May 17 - Tue, May 20
HKT
Phuket
USM
Koh Samui
$263 Roundtrip, found 2 days ago
$263
Roundtrip
found 2 days ago
Select Bangkok Airways flight, departing Sat, May 17 from Phuket to Koh Samui, returning Tue, May 20, priced at $263 found 2 days ago
Flights from Phuket (HKT) to Samui Intl. Airport (USM)
Origin airport
Phuket Intl.
Destination airport
Samui Intl. Airport
Airlines serving
Bangkok Airways
Roundtrip price
$220
Distance
156 mi

Phuket to Samui Intl. Airport Flights

The cheapest times to fly from Phuket 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 Phuket to Samui Intl. Airport are during the month of June. You can find some of the cheapest flights from Phuket to Samui Intl. Airport with Expedia's search tool and vast selection of airlines.

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

Sunday is one of the best days to book for cheap flights from Phuket 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 Phuket 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 Phuket to Samui Intl. Airport in 2025. You can also book with separate airlines for your outbound and return journeys, from $107 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 Phuket 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 Phuket 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 Phuket Intl. Airport (HKT) to Ko Samui Airport (USM) cost?
You’ll find cheap return tickets from Phuket Intl. Airport (HKT) to Ko Samui Airport (USM) starting from $220. Snag 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 Bangkok Airways flight leaving HKT on May 18 2025 and touching down at USM. The price was last updated on April 24 2025 and has not changed since.
What is the cheapest month to fly from HKT to USM?
The cheapest flights from HKT 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 Phuket Intl. Airport (HKT) to Ko Samui Airport (USM)?
You can fly nonstop from Phuket Intl. Airport (HKT) to Ko Samui Airport (USM) on a Bangkok Airways flight.
What is the cheapest airline that flies from HKT to USM?
Travel from HKT to USM with Bangkok Airways. This carrier currently offers the cheapest one-way fare on this route, starting from $107. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from HKT on July 1 2025. Prices were last updated on April 24 2025 and have not changed since.
How many flights per day from Phuket Intl. Airport (HKT) to Ko Samui Airport (USM)?
With, on average, 7 nonstop flights that operate from Phuket Intl. Airport (HKT) to Ko Samui Airport (USM) each day, you’ll be taking off on vacation soon enough.
What are the most popular departure times for flights from Phuket Intl. Airport (HKT) to Ko Samui Airport (USM)?
Flights between HKT and USM are their busiest at 11 AM. If you’d like a quieter trip and potentially cheaper tickets, choose a departure outside the usual busy windows.
What day of the week has the most flights from HKT to USM?
Friday offers the most flights from Phuket Intl. Airport (HKT) to Ko Samui Airport (USM). Consider traveling on this day and you’ll have the best chance of finding a departure that works with your plans.
What is the earliest flight from Phuket Intl. Airport (HKT) to Ko Samui Airport (USM)?
Phuket Intl. Airport (HKT)’s first flight to Ko Samui Airport (USM) is at approximately 9:45AM UTC+7. With a flight time of 55m, you’ll land at around 10:40AM UTC+7.
How long does it take to fly from Phuket Intl. Airport (HKT) to Ko Samui Airport (USM)?
Flights from HKT to USM have an average travel time of 55 minutes. The distance between the two is 160 mi.
What is the best time to fly from Phuket Intl. Airport (HKT) to Ko Samui Airport (USM)?
To avoid possible delays on the Phuket Intl. Airport (HKT) to Ko Samui Airport (USM) route, fly before 3 PM. Later flights have a 22% higher chance of cancellation.**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 Phuket Intl. Airport (HKT)?
Compare your flight options from Phuket Intl. Airport (HKT) to Ko Samui Airport (USM). This is the only airport in Koh Samui you can jet into if you’re taking a direct flight.
Is it cheaper to buy a plane ticket from Phuket Intl. Airport (HKT) to Ko Samui Airport (USM) last-minute?
Booking your ticket from HKT to USM shortly before your trip is generally more expensive. But if there’s some wiggle room with your departure times and dates, you could score a cheap last-minute fare.
Is it cheaper to book a HKT to USM flight and hotel package?
You can save money by securing a HKT to USM flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it’s easy to manage everything in one convenient place. After choosing your ideal accommodations and flights, you can add extras like tours, car rentals and activities.
Can I cancel or change the date of my flight from Phuket Intl. Airport (HKT) to Ko Samui Airport (USM)?
In most instances, you can reschedule or cancel your HKT to USM flight. However, there may be additional fees, especially if your booking was made more than 24 hours ago. Check your itinerary for the airline’s fees and rules on flight changes, or if you want further information, go to our Customer Service portal.

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*Available to One Key members.