Cheap Flights from Phuket to Koh Samui from $68

Frequently Asked Questions

• What are the cheapest flights from Phuket to Koh Samui (HKT-USM)?

  Based on Trip.com data, Bangkok Airways offers one-way fares as low as $68 on Cheapest nonstop routes (e.g. HKT to USM on Fri, Oct 23), while Bangkok Airways offers Cheapest nonstop round-trips from $121 departing on Mon, Nov 9 and returning on Thu, Nov 12.

• Which airlines offer direct flights from Phuket to Koh Samui?

  At the moment, you can catch a nonstop flight from Phuket to Koh Samui with the following airlines, including: Bangkok Airways Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.

• How long does it take to fly from Phuket (HKT) to Koh Samui (USM) and what is the distance?

  It takes around 55 minutes to fly from Phuket (HKT) to Koh Samui (USM).

• When is the best time to book flights from Phuket to Koh Samui?

  By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Phuket to Koh Samui is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

• How many flights are there per week from Phuket to Koh Samui?

  Based on Trip.com data in the past 4 weeks, there is 50 flight per week flying from Phuket to Koh Samui. You can check the weekly schedule for popular airlines on this route below: Bangkok Airways: S/M/T/W/T/F/S -- PG258 (19:27)

• How can I find the best deals on flights from Phuket to Koh Samui?

  To find best deals on flights from Phuket to Koh Samui, you can use various tools on Trip.com:
  · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Fri, Oct 23, with one-way flights priced at just $68.
  · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Bangkok Airways.
  · Set up price alerts to easily monitor ticket prices without having to check every day.
  · Check Trip.com flight deals and promo codes frequently.
  · Avoid peak season unless you book very early. It seems the peak season for Koh Samui travel is around January.
  · Get exclusive promo codes for Trip.com app users.

• When are flight tickets from Phuket (HKT) to Koh Samui (USM) the cheapest?

  The cheapest months to fly from Phuket to Koh Samui is September, when demand for travel is lower.

• Which upcoming date is cheapest to fly from Phuket to Koh Samui on?

  After crunching the numbers on our October flight calendar, it's currently cheapest to fly from Phuket to Koh Samui on October 23, 2026 with Bangkok Airways, with prices starting at $55.

• Which airports can I fly into Koh Samui from Phuket?

  You can arrive at any of the following airports in Koh Samui: Samui Airport (USM). Flights from Phuket International Airport to Samui Airport (HKT-USM) are by far the most popular option for this route.

• Is there any time difference between Phuket and Koh Samui?

  The time difference between Koh Samui and Phuket is 0m.

• How do I change or cancel my ticket from Phuket to Koh Samui?

  Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

• What is the average cost of a one-way flight from Phuket to Koh Samui?

  Based on Trip.com data for flights departing in the next 30 days, the average one-way fare from Phuket to Koh Samui is $129. Fares vary by travel date, airline and availability.

• What is the average cost of a round-trip flight from Phuket to Koh Samui?

  Based on Trip.com data for travel in the next 30 days, the average round-trip fare from Phuket to Koh Samui is $184. The final price depends on the outbound and return dates, airline and fare conditions.

• How do I book flights from Phuket to Koh Samui on Trip.com?

  Enter Phuket and Koh Samui, choose your travel dates and passengers, then compare flights by price, duration and baggage. Select a fare, review the change and cancellation rules, enter traveler details and complete payment to receive your confirmation.