Find Cheapest Airlines Flying from Phuket to Koh Samui

Choose from 1 carriers that fly from Phuket to Koh Samui, including Bangkok Airways, Enjoy the cheapest tickets on this route with Bangkok Airways.

Find direct flights from Phuket to Koh Samui within the next three months. Book one-way flights from CAD 166 or return tickets from CAD 256.

Displayed flight fares from Phuket to Koh Samui are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Flight Information for Phuket to Koh Samui Flights

The distance between Phuket and Koh Samui is about 250.69km. It takes around 55 minutes on average to fly from Phuket to Koh Samui. The most popular month to Koh Samui is July. The off-season for travel is October.

Cheapest one-way flight priceCAD 166
Cheapest return ticket priceCAD 256
Off-season travel monthOctober
Peak season for travelJuly
Flight distance250.69km
Average flight time55 minutes
Popular airlineBangkok Airways

When is the cheapest time to fly from Phuket to Koh Samui?

The cheapest time for Phuket to Koh Samui flights: Feb 22 to Mar 1 — one way flight prices from CAD 152.

Cheapest flights
From price
Search
  • 714
  • 1421
  • 2128
  • Jan

    284
  • 411
  • 1118
  • 1825
  • Feb

    251
  • 18
  • 815
  • 1522
  • Mar

    221
Displayed fare trends are based on Trip.com's aggregated average of the lowest flight prices from Phuket to Koh Samui, calculated over the upcoming 10 weeks.

Flight FAQs

  • 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 CAD 166 on Cheapest nonstop routes (e.g. HKT to USM on Sat, Dec 13), while Bangkok Airways offers Cheapest nonstop round-trips from CAD 256 departing on Sat, Dec 13 and returning on Mon, Dec 15.
  • 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.
  • It takes about 55 minutes to fly from Phuket (HKT) to Koh Samui (USM).
  • 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.
  • Based on Trip.com data in the past 4 weeks, there is 56 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 -- PG252 (09:51)
  • 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 Sat, Dec 13, with one-way flights priced at just CAD 166.
    · 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.
  • The cheapest months to fly from Phuket to Koh Samui is October, when demand for travel is lower.
  • After crunching the numbers on our December flight calendar, it's currently cheapest to fly from Phuket to Koh Samui on December 11, 2025 with Bangkok Airways, with prices starting at CAD 140.
  • 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).
  • The time difference between Koh Samui and Phuket is 0h.
  • 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.