Cheap flights from Koh Samui to Bangkok

One-way fares from $79 · USM → BKK · prices found by travellers in the last 48 hours

Compare all dates Bangkok → Koh Samui
Cheapest fare
$79

Bangkok Airways · Wed, Nov 18

Cheapest month
November

from $79

Direct flights
Yes

Bangkok Airways

Flight time
1h 15m

470 km

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Cheapest month to fly from Koh Samui to Bangkok

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

  1. November 2026 Cheapest $79
  2. December 2026 $90
  3. January 2027 $144
  4. February 2027 $90
  5. March 2027 $89
  6. April 2027 $89
  7. May 2027 $89
  8. June 2027 $85
  9. July 2027 $89
  10. August 2027 $89
  11. September 2027 $89
  12. October 2027 $106

Cheapest dates in November 2026

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

Bangkok Airways
Depart07:00 Tue, Nov 17USM → BKK 1h 15m · Direct
$79one way, per person
View deal
Bangkok Airways
Depart07:00 Wed, Nov 18USM → BKK 1h 15m · Direct
$79one way, per person
View deal
Bangkok Airways
Depart07:00 Sat, Nov 14USM → BKK 1h 15m · Direct
$81one way, per person
View deal
Bangkok Airways
Depart07:00 Mon, Nov 30USM → BKK 1h 15m · Direct
$81one way, per person
View deal
Bangkok Airways
Depart07:00 Sun, Nov 8USM → BKK 1h 15m · Direct
$82one way, per person
View deal
Bangkok Airways
Depart07:00 Tue, Nov 10USM → BKK 1h 15m · Direct
$82one way, per person
View deal
Bangkok Airways
Depart07:00 Wed, Nov 11USM → BKK 1h 15m · Direct
$82one way, per person
View deal
Bangkok Airways
Depart07:00 Tue, Nov 24USM → BKK 1h 15m · Direct
$83one way, per person
View deal
See every date in November 2026 →

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About flights from Koh Samui to Bangkok

Koh Samui (USM) and Bangkok (BKK) are about 470 km apart. Direct flights take around 1h 15m, and recent direct fares were with Bangkok Airways. Over the next few months, one-way fares start from $79, 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 Koh Samui to Bangkok?

The cheapest one-way fare we've seen recently is $79 with Bangkok Airways, departing Wednesday, November 18, 2026. Over the coming months, the lowest fare in each month ranges from $79 to $144.

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

November 2026 currently has the lowest fares, from $79 one way.

Are there direct flights from Koh Samui to Bangkok?

Yes. Recent direct fares were with Bangkok Airways.

How long is the flight from Koh Samui to Bangkok?

A direct flight takes about 1h 15m. Koh Samui and Bangkok are around 470 km apart.

Which airlines fly from Koh Samui to Bangkok?

Recent fares on this route were with Bangkok Airways.

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