Cheap flights from Bangkok to Koh Samui

One-way fares from $46 · BKK → USM · prices found by travellers in the last 48 hours

Compare all dates Koh Samui → Bangkok
Cheapest fare
$46

Bangkok Airways · Sat, Nov 7

Cheapest month
November

from $46

Direct flights
Yes

Bangkok Airways

Flight time
1h 05m

470 km

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Cheapest month to fly from Bangkok to Koh Samui

Lowest one-way fare per person in each month. Choose a month to see every date.

  1. November 2026 Cheapest $46
  2. December 2026 $95
  3. January 2027 $84
  4. February 2027 $84
  5. March 2027 $83
  6. April 2027 $84
  7. May 2027 $83
  8. June 2027 $83
  9. July 2027 $83
  10. August 2027 $84
  11. September 2027 $78
  12. October 2027 $82

Cheapest dates in November 2026

The lowest fares we've seen for each day, cheapest first.

Bangkok Airways
Depart08:05 Sat, Nov 7BKK → USM 1h 15m · Direct
$46one way, per person
View deal
Bangkok Airways
Depart06:00 Tue, Nov 10BKK → USM 1h 10m · Direct
$73one way, per person
View deal
Bangkok Airways
Depart06:00 Sun, Nov 15BKK → USM 1h 10m · Direct
$73one way, per person
View deal
Bangkok Airways
Depart06:00 Wed, Nov 18BKK → USM 1h 10m · Direct
$74one way, per person
View deal
Bangkok Airways
Depart06:00 Wed, Nov 4BKK → USM 1h 10m · Direct
$76one way, per person
View deal
Bangkok Airways
Depart06:00 Fri, Nov 6BKK → USM 1h 10m · Direct
$76one way, per person
View deal
Bangkok Airways
Depart06:00 Sun, Nov 8BKK → USM 1h 10m · Direct
$76one way, per person
View deal
Bangkok Airways
Depart06:00 Mon, Nov 9BKK → USM 1h 10m · Direct
$76one way, per person
View deal
See every date in November 2026 →

Plan the rest of your trip to Koh Samui

Where to stay, what to do and getting around, from our travel partners.

Where to stay

Hotels in Koh SamuiCompare places to stay on Booking.com Find hotels →

Things to do

Things to do in Koh SamuiTours, attractions and day trips on Klook Explore →

Getting around

Airport transfer in Koh SamuiPre-book a driver to meet you at arrivals, with Kiwitaxi Book a transfer → Car hire in Koh SamuiCompare rental cars from major brands on EconomyBookings Compare cars →

About flights from Bangkok to Koh Samui

Bangkok (BKK) and Koh Samui (USM) are about 470 km apart. Direct flights take around 1h 05m, and recent direct fares were with Bangkok Airways. Over the next few months, one-way fares start from $46, and November 2026 is currently the cheapest month to fly.

These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.

Frequently asked questions

How much is a flight from Bangkok to Koh Samui?

The cheapest one-way fare we've seen recently is $46 with Bangkok Airways, departing Saturday, November 7, 2026. Over the coming months, the lowest fare in each month ranges from $46 to $95.

What is the cheapest month to fly from Bangkok to Koh Samui?

November 2026 currently has the lowest fares, from $46 one way.

Are there direct flights from Bangkok to Koh Samui?

Yes. Recent direct fares were with Bangkok Airways.

How long is the flight from Bangkok to Koh Samui?

A direct flight takes about 1h 05m. Bangkok and Koh Samui are around 470 km apart.

Which airlines fly from Bangkok to Koh Samui?

Recent fares on this route were with Bangkok Airways and Thai Vietjet Air.

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