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.
Bangkok Airways logo Bangkok Airways
Airlines are determined based on actual purchased flight tickets from Phuket to Koh Samui according to previous 12 months data from Trip.com.

Explore the cheapest flights from Phuket to Koh Samui in the next three months. Based on Trip.com's data from the latest 7 days, one-way direct flights start at AU$ 150, and round-trip direct tickets start at AU$ 275.

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.

Phuket to Koh Samui Flight Details

The distance between Phuket and Koh Samui is approximately 250.69km. It takes around 55 minutes on average to fly from Phuket to Koh Samui. Based on Trip.com's data travel demand peaks in July. The off-season for travel is October.

Cheapest one-way flight priceAU$ 150
Cheapest return ticket priceAU$ 275
Off-season for travelOctober
Peak season for travelJuly
Flight distance250.69km
Average flight time55 minutes
Popular airlineBangkok Airways
Flight statistics for the Phuket–Koh Samui route are based on aggregated booking data from Trip.com over the past 12 months.

Trip.com Price Insights on Flights from Phuket to Koh Samui

What is the cheapest month for one-way flights from Phuket to Koh Samui?

Average price of one-way flights from Phuket to Koh Samui purchased by Trip.com users by month over the past 12 months.

According to Trip.com's data, the cheapest month for flights from Phuket to Koh Samui is Jun, with an average price of AU$ 146. Conversely, the most expensive month is typically Jan, with an average price of up to AU$ 187.

AU$ 187
AU$ 167
AU$ 146
AU$ 126
    Cheapest
  • AU$ 169
    Feb
  • AU$ 168
    Mar
  • AU$ 157
    Apr
  • AU$ 152
    May
  • AU$ 146
    Jun
  • AU$ 166
    Jul
  • AU$ 169
    Aug
  • AU$ 151
    Sep
  • AU$ 150
    Oct
  • AU$ 155
    Nov
  • AU$ 160
    Dec
  • AU$ 187
    Jan

What is the cheapest month for round-trip flights from Phuket to Koh Samui?

Average price of round-trip flights from Phuket to Koh Samui purchased by Trip.com users by month over the past 12 months.

According to historical data from Trip.com, the lowest prices for flights from Phuket to Koh Samui are found during Aug, with an average price of AU$ 289. Conversely, the highest prices are found during Jan, with an average price of up to AU$ 378.

AU$ 378
AU$ 334
AU$ 289
AU$ 245
    Cheapest
  • AU$ 375
    Feb
  • AU$ 322
    Mar
  • AU$ 336
    Apr
  • AU$ 309
    May
  • AU$ 291
    Jun
  • AU$ 320
    Jul
  • AU$ 289
    Aug
  • AU$ 308
    Sep
  • AU$ 305
    Oct
  • AU$ 300
    Nov
  • AU$ 313
    Dec
  • AU$ 378
    Jan

What's the cheapest day to fly from Phuket to Koh Samui?

Data is based on the average flight price for each day of the week from Phuket to Koh Samui on Trip.com over the past 12 months.

Based on Trip.com data from the past 12 months, the cheapest day to fly from Phuket to Koh Samui is Thu, with average prices lower than on other days. Avoid Mon, as prices are usually highest then.

AU$ 168
AU$ 164
AU$ 160
AU$ 156
    Cheapest
  • AU$ 168
    Mon
  • AU$ 162
    Tue
  • AU$ 165
    Wed
  • AU$ 160
    Thu
  • AU$ 165
    Fri
  • AU$ 166
    Sat
  • AU$ 166
    Sun

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 AU$ 150 on Cheapest nonstop routes (e.g. HKT to USM on Sat, Mar 21), while Bangkok Airways offers Cheapest nonstop round-trips from AU$ 275 departing on Wed, Mar 25 and returning on Wed, Apr 1.
  • 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 58 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 -- PG408 (07:36) 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, Mar 21, with one-way flights priced at just AU$ 150.
    · 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 February flight calendar, it's currently cheapest to fly from Phuket to Koh Samui on February 26, 2026 with Bangkok Airways, with prices starting at AU$ 167.
  • 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.

Trip.com Airline Insights on Flights from Phuket toKoh Samui

Which airlines operate the most flights from Phuket to Koh Samui?

Data is based on the number of flights from Phuket to Koh Samui operated by each airline on Trip.com in the past month.

Based on Trip.com data from the past month, Bangkok Airways operates the most flights from Phuket to Koh Samui, with 62 flight per week.

38
46
54
62
Bangkok Airways
62
Bangkok Airways
Etihad Airways
62
Etihad Airways
Qatar Airways
62
Qatar Airways
Thai Airways
62
Thai Airways
Singapore Airlines
54
Singapore Airlines
Turkish Airlines
46
Turkish Airlines

How many flights are there each day from Phuket to Koh Samui?

The data is based on the flight numbers for each day of the week from Phuket to Koh Samui within the Trip.com database over the past month.

Based on Trip.com data from the past month, the most flights from Phuket to Koh Samui depart on Friday, and the fewest flights depart on Tuesday.

315
284
252
221
Highest
256
Mon
252
Tue
256
Wed
257
Thu
315
Fri
313
Sat
308
Sun