⚡ Fare recorded April 25, 2026 · Prices change daily

Bangkok to Koh Samui flights

Bangkok (BKK) to Koh Samui (USM): 289 miles (466 km) great-circle, about 1h 05m nonstop by our estimate. Cheapest fare observed: $180 round-trip on Bangkok Airways, nonstop, departing June 20, 2026.

PGBangkok AirwaysPG101
Depart
BKK
Bangkok, Thailand
06:05
2026-06-20
✈
Arrive
USM
Koh Samui, Thailand
Returns 07:50
2026-06-28
Stops
non-stop
Distance
289 mi
Est. nonstop time
1h 05m
Trip type
Round-trip
$180
Round-trip · per person
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About this flight

When did the cheapest Bangkok to Koh Samui fare fly?

$180 round-trip, Bangkok Airways PG101, departing 2026-06-20 at 06:05, returning 2026-06-28. The recorded itinerary left on a Saturday, returning on a Sunday 8 nights later; the fare was observed 56 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.

Route facts

How far is Bangkok from Koh Samui?

  • Distance: 289 miles (466 km) great-circle, heading south.
  • Estimated nonstop flight time: about 1h 05m.
  • Departure airport: Suvarnabhumi Airport (BKK), Bangkok, Thailand, UTC+7 on June 20, 2026.
  • Arrival: Samui Airport (USM), Thailand, UTC+7 on June 20, 2026.
  • Time difference: none on the recorded date.
  • Route type: domestic, within Thailand.
  • Arrival airport elevation: 64 ft.
  • Recorded itinerary: Bangkok Airways PG101, non-stop, round-trip, 8 days between departure and return.
Fare comparison

How does the Bangkok to Koh Samui fare compare with other routes from BKK?

At $180, it ranked 10th of the 30 round-trip fares we recorded from BKK (median $259). That is 62.2 cents per great-circle mile (round-trip price over one-way distance), above the BKK median of 20.6 cents across 30 round-trip routes.

Routes from BKK of similar length: Phu Quoc (327 mi) at $131 and Surat Thani (333 mi) at $79.

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

Other ways in

What did other cities pay to fly to Koh Samui?

Of 5 departure airports with a fare to Koh Samui, Bangkok (BKK) ranked 2nd at $180. 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

Bangkok to Koh Samui flight questions

How far is Bangkok from Koh Samui by plane?

+
Bangkok is about 289 miles (466 km) from Koh Samui on a great-circle line from Suvarnabhumi Airport (BKK) to Samui Airport (USM), heading south. It is the 30th longest of the 30 routes we track from BKK. The recorded itinerary was nonstop.

How long is the flight from Bangkok to Koh Samui?

+
About 1h 05m nonstop by our estimate for 289 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 2nd, and 4 of the 5 were nonstop.

What is the time difference between Bangkok and Koh Samui?

+
On June 20, 2026, Bangkok 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 Bangkok 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 Bangkok to Koh Samui?

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As observed on April 25, 2026: $180 per person round-trip on Bangkok Airways flight PG101, departing June 20, 2026, returning June 28, 2026, nonstop. At $180, it ranked 10th of the 30 round-trip fares we recorded from BKK (median $259). That is 62.2 cents per great-circle mile (round-trip price over one-way distance), above the BKK median of 20.6 cents across 30 round-trip routes. Prices change daily, so check the live fare.

Is there a nonstop flight from Bangkok to Koh Samui?

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Yes, the cheapest recorded fare was a nonstop Bangkok Airways flight, PG101, on June 20, 2026. Into Koh Samui, 4 of the 5 recorded fares were nonstop. From BKK, 19 of 30 were. Routes from BKK of similar length: Phu Quoc (327 mi) at $131 and Surat Thani (333 mi) at $79.

Which airports serve flights from Bangkok to Koh Samui?

+
It departs Suvarnabhumi Airport (BKK) in Bangkok, Thailand, and arrives at Samui Airport (USM) in Koh Samui, Thailand. A domestic Thailand flight. BKK to USM is the only one of 30 BKK 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 Bangkok?

Surat Thani (URT) $79Krabi (KBV) $75Phuket (HKT) $71Phu Quoc (PQC) $131Ho Chi Minh City (SGN) $183Kuala Lumpur (KUL) $165All flights from Bangkok →

Other cities with flights to Koh Samui

From Phuket (HKT) $171From Singapore (SIN) $369From Bali (DPS) $413

Ready to fly?

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