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Bangkok to Koh Samui flights in March 2027 from $172 BKK, DMK → USM

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

For departures in March 2027, the cheapest return found recently is $172 with Bangkok Airways, 7 Mar 2027 – 16 Mar 2027, found 2 days ago.

Return

In March 2027, the cheapest return fare on each of 26 departure dates is usually $173 to $224. Across all 223 departure dates we hold on this route, it is usually $173 to $243. Of the 11 months with enough return fares to compare, 5 are usually cheaper than March 2027.

Cheapest return found recently

$172

7 Mar 2027 – 16 Mar 2027 · Bangkok Airways

Suvarnabhumi Airport (BKK) → Koh Samui Airport (USM)

out nonstop, back nonstop

found 2 days ago

See prices for these datesCheck today's price

Cheapest we hold, of any age

$163

3 Mar 2027 – 11 Mar 2027 · Bangkok Airways

Suvarnabhumi Airport (BKK) → Koh Samui Airport (USM)

out nonstop, back nonstop

found 7 days ago

See prices for these datesCheck today's price

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The cheapest dates in March 2027

DatesFromAirlineStopsFound
3 Mar 2027 – 11 Mar 2027$163Bangkok Airwaysout nonstop, back nonstopfound 7 days agoSee prices for these dates
8 Mar 2027 – 21 Mar 2027$168Bangkok Airwaysout nonstop, back nonstopfound 4 days agoSee prices for these dates
2 Mar 2027 – 11 Mar 2027$172Bangkok Airwaysout nonstop, back nonstopfound 3 days agoSee prices for these dates
7 Mar 2027 – 16 Mar 2027$172Bangkok Airwaysout nonstop, back nonstopfound 2 days agoSee prices for these dates
23 Mar 2027 – 3 Apr 2027$172Bangkok Airwaysout nonstop, back nonstopfound 2 days agoSee prices for these dates

Every date we hold

26 departure dates

1 Mar 2027 – 21 Mar 2027: $174, found 4 days ago2 Mar 2027 – 11 Mar 2027: $172, found 3 days ago3 Mar 2027 – 11 Mar 2027: $163, found 7 days ago4 Mar 2027 – 17 Mar 2027: $173, found 5 days ago5 Mar 2027 – 17 Mar 2027: $174, found 5 days ago7 Mar 2027 – 16 Mar 2027: $172, found 2 days ago8 Mar 2027 – 21 Mar 2027: $168, found 4 days ago10 Mar 2027 – 18 Mar 2027: $174, found 6 days ago11 Mar 2027 – 22 Mar 2027: $173, found 2 days ago12 Mar 2027 – 17 Mar 2027: $174, found 6 days ago13 Mar 2027 – 21 Mar 2027: $173, found 2 days ago15 Mar 2027 – 17 Mar 2027: $174, found 4 days ago16 Mar 2027 – 27 Mar 2027: $227, found 3 days ago17 Mar 2027 – 27 Mar 2027: $225, found 7 days ago18 Mar 2027 – 26 Mar 2027: $220, found 2 days ago19 Mar 2027 – 31 Mar 2027: $265, found 5 days ago20 Mar 2027 – 30 Mar 2027: $358, found 5 days ago21 Mar 2027 – 26 Mar 2027: $312, found 2 days ago22 Mar 2027 – 4 Apr 2027: $319, found 6 days ago23 Mar 2027 – 3 Apr 2027: $172, found 2 days ago24 Mar 2027 – 19 Apr 2027: $174, found 3 days ago26 Mar 2027 – 14 Apr 2027: $174, found 3 days ago27 Mar 2027 – 3 Apr 2027: $226, found 7 days ago28 Mar 2027 – 17 Apr 2027: $174, found 3 days ago29 Mar 2027 – 5 Apr 2027: $216, found 7 days ago30 Mar 2027 – 18 Apr 2027: $174, found 4 days agoMar
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
1 Mar 2027 – 21 Mar 2027$174Bangkok AirwaysSuvarnabhumi Airport (BKK) → Koh Samui Airport (USM)out nonstop, back nonstopfound 4 days agoSee prices for these dates
2 Mar 2027 – 11 Mar 2027$172Bangkok AirwaysSuvarnabhumi Airport (BKK) → Koh Samui Airport (USM)out nonstop, back nonstopfound 3 days agoSee prices for these dates
3 Mar 2027 – 11 Mar 2027$163Bangkok AirwaysSuvarnabhumi Airport (BKK) → Koh Samui Airport (USM)out nonstop, back nonstopfound 7 days agoSee prices for these dates
4 Mar 2027 – 17 Mar 2027$173Bangkok AirwaysSuvarnabhumi Airport (BKK) → Koh Samui Airport (USM)out nonstop, back nonstopfound 5 days agoSee prices for these dates
5 Mar 2027 – 17 Mar 2027$174Bangkok AirwaysSuvarnabhumi Airport (BKK) → Koh Samui Airport (USM)out nonstop, back nonstopfound 5 days agoSee prices for these dates
7 Mar 2027 – 16 Mar 2027$172Bangkok AirwaysSuvarnabhumi Airport (BKK) → Koh Samui Airport (USM)out nonstop, back nonstopfound 2 days agoSee prices for these dates
8 Mar 2027 – 21 Mar 2027$168Bangkok AirwaysSuvarnabhumi Airport (BKK) → Koh Samui Airport (USM)out nonstop, back nonstopfound 4 days agoSee prices for these dates
10 Mar 2027 – 18 Mar 2027$174Bangkok AirwaysSuvarnabhumi Airport (BKK) → Koh Samui Airport (USM)out nonstop, back nonstopfound 6 days agoSee prices for these dates
11 Mar 2027 – 22 Mar 2027$173Bangkok AirwaysSuvarnabhumi Airport (BKK) → Koh Samui Airport (USM)out nonstop, back nonstopfound 2 days agoSee prices for these dates
12 Mar 2027 – 17 Mar 2027$174Bangkok AirwaysSuvarnabhumi Airport (BKK) → Koh Samui Airport (USM)out nonstop, back nonstopfound 6 days agoSee prices for these dates
13 Mar 2027 – 21 Mar 2027$173Bangkok AirwaysSuvarnabhumi Airport (BKK) → Koh Samui Airport (USM)out nonstop, back nonstopfound 2 days agoSee prices for these dates
15 Mar 2027 – 17 Mar 2027$174Bangkok AirwaysSuvarnabhumi Airport (BKK) → Koh Samui Airport (USM)out nonstop, back nonstopfound 4 days agoSee prices for these dates
16 Mar 2027 – 27 Mar 2027$227Bangkok AirwaysSuvarnabhumi Airport (BKK) → Koh Samui Airport (USM)out nonstop, back nonstopfound 3 days agoSee prices for these dates
17 Mar 2027 – 27 Mar 2027$225Bangkok AirwaysSuvarnabhumi Airport (BKK) → Koh Samui Airport (USM)out nonstop, back nonstopfound 7 days agoSee prices for these dates
18 Mar 2027 – 26 Mar 2027$220Bangkok AirwaysSuvarnabhumi Airport (BKK) → Koh Samui Airport (USM)out nonstop, back nonstopfound 2 days agoSee prices for these dates
19 Mar 2027 – 31 Mar 2027$265Bangkok AirwaysSuvarnabhumi Airport (BKK) → Koh Samui Airport (USM)out nonstop, back nonstopfound 5 days agoSee prices for these dates
20 Mar 2027 – 30 Mar 2027$358Bangkok AirwaysDon Mueang International Airport (DMK) → Koh Samui Airport (USM)out nonstop, back nonstopfound 5 days agoSee prices for these dates
21 Mar 2027 – 26 Mar 2027$312Bangkok AirwaysSuvarnabhumi Airport (BKK) → Koh Samui Airport (USM)out nonstop, back nonstopfound 2 days agoSee prices for these dates
22 Mar 2027 – 4 Apr 2027$319Bangkok AirwaysDon Mueang International Airport (DMK) → Koh Samui Airport (USM)out nonstop, back nonstopfound 6 days agoSee prices for these dates
23 Mar 2027 – 3 Apr 2027$172Bangkok AirwaysSuvarnabhumi Airport (BKK) → Koh Samui Airport (USM)out nonstop, back nonstopfound 2 days agoSee prices for these dates
24 Mar 2027 – 19 Apr 2027$174Bangkok AirwaysSuvarnabhumi Airport (BKK) → Koh Samui Airport (USM)out nonstop, back nonstopfound 3 days agoSee prices for these dates
26 Mar 2027 – 14 Apr 2027$174Bangkok AirwaysSuvarnabhumi Airport (BKK) → Koh Samui Airport (USM)out nonstop, back nonstopfound 3 days agoSee prices for these dates
27 Mar 2027 – 3 Apr 2027$226Bangkok AirwaysSuvarnabhumi Airport (BKK) → Koh Samui Airport (USM)out nonstop, back nonstopfound 7 days agoSee prices for these dates
28 Mar 2027 – 17 Apr 2027$174Bangkok AirwaysSuvarnabhumi Airport (BKK) → Koh Samui Airport (USM)out nonstop, back nonstopfound 3 days agoSee prices for these dates
29 Mar 2027 – 5 Apr 2027$216Bangkok AirwaysSuvarnabhumi Airport (BKK) → Koh Samui Airport (USM)out nonstop, back nonstopfound 7 days agoSee prices for these dates
30 Mar 2027 – 18 Apr 2027$174Bangkok AirwaysSuvarnabhumi Airport (BKK) → Koh Samui Airport (USM)out nonstop, back nonstopfound 4 days agoSee prices for these dates

Which month looks cheapest?

November 2026 is the cheapest month — from $104.

November 2026From $104Cheapest seen14 departure dates15 Nov – 15 Nov · found 5 days agoSee prices for these datesEvery date in November 2026
December 2026From $20730 departure dates9 Dec – 24 Dec · found 7 days agoSee prices for these datesEvery date in December 2026
January 2027From $17430 departure dates27 Jan 2027 – 10 Mar 2027 · found 6 days agoSee prices for these datesEvery date in January 2027
February 2027From $17327 departure dates17 Feb 2027 – 16 Mar 2027 · found 2 days agoSee prices for these datesEvery date in February 2027
March 2027From $16326 departure dates3 Mar 2027 – 11 Mar 2027 · found 7 days agoSee prices for these dates
April 2027From $16623 departure dates21 Apr 2027 – 20 May 2027 · found 5 days agoSee prices for these datesEvery date in April 2027
May 2027From $17114 departure dates30 May 2027 – 28 Jun 2027 · found yesterdaySee prices for these datesEvery date in May 2027
June 2027From $17214 departure dates3 Jun 2027 – 24 Jun 2027 · found 2 days agoSee prices for these datesEvery date in June 2027
July 2027From $15920 departure dates17 Jul 2027 – 4 Aug 2027 · found 3 days agoSee prices for these datesEvery date in July 2027
August 2027From $16716 departure dates20 Aug 2027 – 29 Aug 2027 · found 6 days agoSee prices for these datesEvery date in August 2027
September 2027From $1722 departure dates3 Sept 2027 – 28 Sept 2027 · found 2 days agoSee prices for these dates
October 2027From $1737 departure dates2 Oct 2027 – 16 Oct 2027 · found 2 days agoSee prices for these datesEvery date in October 2027

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