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Business class flights from Bangkok to Koh Samui BKK, DMK → USM

Suvarnabhumi Airport (BKK), Don Mueang International Airport (DMK) → Koh Samui Airport (USM)

The cheapest business class return found recently is $420 with Bangkok Airways, 30 Nov – 11 Dec, found 2 days ago.

Business class return

The cheapest business class return fare on each of 8 departure dates is usually $396 to $415.

Business

The lowest business fare we have seen is $383, across 8 departure dates.

11 Dec – 23 Dec · BKK → USM · Bangkok Airways

out nonstop, back nonstop

found 5 days ago

That business fare is 2.5 times the economy fare of $154.

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We hold too few return dates with both a business class and an economy fare for the same trip to compare the two.

Every business class date we hold

8 business class fares; the cheapest on each of 8 departure dates.

22 Oct – 2 Nov: $402, found 3 days ago23 Oct – 2 Nov: $401, found 3 days ago26 Oct – 3 Nov: $400, found 3 days ago30 Nov – 11 Dec: $420, found 2 days ago11 Dec – 23 Dec: $383, found 5 days ago12 Dec – 22 Dec: $383, found 5 days ago26 Dec – 9 Jan 2027: $418, found 3 days ago2 Jan 2027 – 11 Jan 2027: $415, found 4 days agoOctNovDecJan
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFoundEconomy, same dates
22 Oct – 2 Nov$402Bangkok AirwaysSuvarnabhumi Airport (BKK) → Koh Samui Airport (USM)out nonstop, back nonstopfound 3 days agoNone heldSee prices for these dates
23 Oct – 2 Nov$401Bangkok AirwaysSuvarnabhumi Airport (BKK) → Koh Samui Airport (USM)out nonstop, back nonstopfound 3 days agoNone heldSee prices for these dates
26 Oct – 3 Nov$400Bangkok AirwaysSuvarnabhumi Airport (BKK) → Koh Samui Airport (USM)out nonstop, back nonstopfound 3 days agoNone heldSee prices for these dates
30 Nov – 11 Dec$420Bangkok AirwaysSuvarnabhumi Airport (BKK) → Koh Samui Airport (USM)out nonstop, back nonstopfound 2 days agoNone heldSee prices for these dates
11 Dec – 23 Dec$383Bangkok AirwaysSuvarnabhumi Airport (BKK) → Koh Samui Airport (USM)out nonstop, back nonstopfound 5 days agoNone heldSee prices for these dates
12 Dec – 22 Dec$383Bangkok AirwaysSuvarnabhumi Airport (BKK) → Koh Samui Airport (USM)out nonstop, back nonstopfound 5 days ago$209See prices for these dates
26 Dec – 9 Jan 2027$418Bangkok AirwaysSuvarnabhumi Airport (BKK) → Koh Samui Airport (USM)out nonstop, back nonstopfound 3 days agoNone heldSee prices for these dates
2 Jan 2027 – 11 Jan 2027$415Bangkok AirwaysSuvarnabhumi Airport (BKK) → Koh Samui Airport (USM)out nonstop, back nonstopfound 4 days agoNone heldSee prices for these dates

Business class one-way

The cheapest business class one-way fare on each of 10 departure dates is usually $197 to $197.

Business

The lowest business fare we have seen is $184, across 10 departure dates.

21 Oct · BKK → USM · Bangkok Airways

nonstop

found 6 days ago

That business fare is 2.4 times the economy fare of $75.

See prices for these datesCheck today's price

FareTell may earn a commission when you book through a partner.

We hold too few one-way dates with both a business class and an economy fare for the same trip to compare the two.

Every business class date we hold

11 business class fares; the cheapest on each of 10 departure dates.

20 Oct: $197, found 3 days ago21 Oct: $184, found 6 days ago22 Oct: $186, found 6 days ago23 Oct: $199, found 3 days ago20 Nov: $197, found 4 days ago28 Nov: $198, found 3 days ago3 Dec: $197, found 6 days ago23 Dec: $197, found 4 days ago7 Jan 2027: $197, found 3 days ago12 Jan 2027: $197, found 6 days agoOctNovDecJan
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFoundEconomy, same dates
20 Oct$197Bangkok AirwaysSuvarnabhumi Airport (BKK) → Koh Samui Airport (USM)nonstopfound 3 days ago$84See prices for these dates
21 Oct$184Bangkok AirwaysSuvarnabhumi Airport (BKK) → Koh Samui Airport (USM)nonstopfound 6 days ago$85See prices for these dates
22 Oct$186Bangkok AirwaysSuvarnabhumi Airport (BKK) → Koh Samui Airport (USM)nonstopfound 6 days agoNone heldSee prices for these dates
23 Oct$199Bangkok AirwaysSuvarnabhumi Airport (BKK) → Koh Samui Airport (USM)nonstopfound 3 days agoNone heldSee prices for these dates
20 Nov$197Bangkok AirwaysSuvarnabhumi Airport (BKK) → Koh Samui Airport (USM)nonstopfound 4 days agoNone heldSee prices for these dates
28 Nov$198Bangkok AirwaysSuvarnabhumi Airport (BKK) → Koh Samui Airport (USM)nonstopfound 3 days agoNone heldSee prices for these dates
3 Dec$197Bangkok AirwaysSuvarnabhumi Airport (BKK) → Koh Samui Airport (USM)nonstopfound 6 days agoNone heldSee prices for these dates
23 Dec$197Bangkok AirwaysSuvarnabhumi Airport (BKK) → Koh Samui Airport (USM)nonstopfound 4 days agoNone heldSee prices for these dates
7 Jan 2027$197Bangkok AirwaysSuvarnabhumi Airport (BKK) → Koh Samui Airport (USM)nonstopfound 3 days agoNone heldSee prices for these dates
12 Jan 2027$197Bangkok AirwaysSuvarnabhumi Airport (BKK) → Koh Samui Airport (USM)nonstopfound 6 days agoNone heldSee prices for these dates

Prices are what travelers' searches on Aviasales found in the last 7 days, in US dollars: the price the seller showed on Aviasales; bags may cost extra. Fares change, so check today's price before you book. How our prices work