Cheap Flights from Phuket to Koh Samui from S$ 80

Frequently Asked Questions

• Which airlines offer the cheapest flights from Phuket (HKT) to Koh Samui (USM)?

  Based on Trip.com data, Bangkok Airways offers one-way fares as low as S$ 80 on Cheapest nonstop routes (e.g. HKT to USM on Wed, Sep 23), while Bangkok Airways offers Cheapest nonstop round-trips from S$ 155 departing on Sat, Sep 5 and returning on Sun, Sep 13.

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

  At the moment, you can catch a direct 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 is a flight from Phuket (HKT) to Koh Samui (USM)?

  It takes about 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 61 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 -- PG256 (16:32) Bangkok Airways: S/M/T/W/T/F/S -- PG250 (11:05)

• 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 Wed, Sep 23, with one-way flights priced at just S$ 80.
  · 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 July.
  · Get exclusive promo codes for Trip.com app users.

• When is the best time to book a flight from Phuket to Koh Samui to get the best price?

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

• Which upcoming date is the cheapest for flights from Phuket to Koh Samui?

  After crunching the numbers on our August flight calendar, it's currently cheapest to fly from Phuket to Koh Samui on August 29, 2026 with Bangkok Airways, with prices starting at S$ 204.

• Which airports can I fly through when travelling to Koh Samui from Phuket?

  You can land at any one of the following hubs in Koh Samui, with Phuket International Airport to Samui Airport (HKT-USM) is by far the most common option on this route: Samui Airport (USM).

• What is the time difference between Phuket and Koh Samui?

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

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

  Tickets can only be changed or cancelled 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 S$ 207. 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 S$ 301. 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 traveller details and complete payment to receive your confirmation.