⚡ Fare recorded April 25, 2026 · Prices change daily

Phuket to Koh Samui flights

Phuket (HKT) to Koh Samui (USM): 155 miles (249 km) great-circle, about 0h 50m nonstop by our estimate. Cheapest fare observed: $171 round-trip on Bangkok Airways, nonstop, departing May 25, 2026.

PGBangkok AirwaysPG258
Depart
HKT
Phuket, Thailand
19:30
2026-05-25
✈
Arrive
USM
Koh Samui, Thailand
Returns 17:55
2026-05-31
Stops
non-stop
Distance
155 mi
Est. nonstop time
0h 50m
Trip type
Round-trip
$171
Round-trip · per person
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About this flight

When did the cheapest Phuket to Koh Samui fare fly?

$171 round-trip, Bangkok Airways PG258, departing 2026-05-25 at 19:30, returning 2026-05-31. The recorded itinerary left on a Monday, returning on a Sunday 6 nights later; the fare was observed 30 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.

Route facts

How far is Phuket from Koh Samui?

  • Distance: 155 miles (249 km) great-circle, heading northeast.
  • Estimated nonstop flight time: about 0h 50m.
  • Departure airport: Phuket International Airport (HKT), Phuket, Thailand, UTC+7 on May 25, 2026.
  • Arrival: Samui Airport (USM), Thailand, UTC+7 on May 25, 2026.
  • Time difference: none on the recorded date.
  • Route type: domestic, within Thailand.
  • Arrival airport elevation: 64 ft.
  • Recorded itinerary: Bangkok Airways PG258, non-stop, round-trip, 6 days between departure and return.
Fare comparison

How does the Phuket to Koh Samui fare compare with other routes from HKT?

At $171, it ranked 5th of the 30 round-trip fares we recorded from HKT (median $523). That is 110.4 cents per great-circle mile (round-trip price over one-way distance), above the HKT median of 20.5 cents across 30 round-trip routes.

Routes from HKT of similar length: Bangkok (419 mi) at $73 and Kuala Lumpur (438 mi) at $130.

HKT to USM is the only one of 30 HKT routes where Bangkok Airways priced cheapest. It is the 30th longest of the 30 routes we track from HKT.

Other ways in

What did other cities pay to fly to Koh Samui?

Of 5 departure airports with a fare to Koh Samui, Phuket (HKT) ranked 1st at $171. Lowest: $171 from Phuket (HKT); highest: $413 from Bali (DPS); 4 nonstop. Cheapest-fare airlines (routes): Bangkok Airways (3), AirAsia (1) and Scoot (1).

Sources

Where do these numbers come from?

Travelpayouts fares (cheapest per route, observed April 25, 2026); OurAirports coordinates and elevations; IANA zones Asia/Bangkok, Asia/Bangkok; flight time is our estimate.

FAQ

Phuket to Koh Samui flight questions

How far is Phuket from Koh Samui by plane?

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Phuket is about 155 miles (249 km) from Koh Samui on a great-circle line from Phuket International Airport (HKT) to Samui Airport (USM), heading northeast. It is the 30th longest of the 30 routes we track from HKT. The recorded itinerary was nonstop.

How long is the flight from Phuket to Koh Samui?

+
About 0h 50m nonstop by our estimate for 155 miles (500 mph cruise plus 30 minutes, not a timetable). The recorded Bangkok Airways fare was nonstop. 5 airports in our feed had a fare to Koh Samui; this one ranked 1st, and 4 of the 5 were nonstop.

What is the time difference between Phuket and Koh Samui?

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On May 25, 2026, Phuket was on UTC+7 (Asia/Bangkok) and Koh Samui on UTC+7 (Asia/Bangkok), so the two cities shared the same clock time: noon in Phuket was 12:00 in Koh Samui. Neither Asia/Bangkok nor Asia/Bangkok shifts for daylight saving, so the gap holds all year.

How much is a flight from Phuket to Koh Samui?

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As observed on April 25, 2026: $171 per person round-trip on Bangkok Airways flight PG258, departing May 25, 2026, returning May 31, 2026, nonstop. At $171, it ranked 5th of the 30 round-trip fares we recorded from HKT (median $523). That is 110.4 cents per great-circle mile (round-trip price over one-way distance), above the HKT median of 20.5 cents across 30 round-trip routes. Prices change daily, so check the live fare.

Is there a nonstop flight from Phuket to Koh Samui?

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Yes, the cheapest recorded fare was a nonstop Bangkok Airways flight, PG258, on May 25, 2026. Into Koh Samui, 4 of the 5 recorded fares were nonstop. From HKT, 10 of 30 were. Routes from HKT of similar length: Bangkok (419 mi) at $73 and Kuala Lumpur (438 mi) at $130.

Which airports serve flights from Phuket to Koh Samui?

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It departs Phuket International Airport (HKT) in Phuket, Thailand, and arrives at Samui Airport (USM) in Koh Samui, Thailand. A domestic Thailand flight. HKT to USM is the only one of 30 HKT routes where Bangkok Airways priced cheapest. Samui Airport (USM) sits at 64 ft above sea level.

Where else near Koh Samui can you fly from Phuket?

Bangkok (BKK) $73Ho Chi Minh City (SGN) $199Kuala Lumpur (KUL) $130Singapore (SIN) $139Nha Trang (NHA) $249Da Nang (DAD) $160All flights from Phuket →

Other cities with flights to Koh Samui

From Bangkok (BKK) $180From Bangkok (DMK) $193From Singapore (SIN) $369From Bali (DPS) $413

Ready to fly?

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