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Koh Samui to Bangkok flights in March 2027 from $87 USM → BKK, DMK

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

For departures in March 2027, the cheapest return found recently is $320 with Bangkok Airways, 13 Mar 2027 – 20 Mar 2027, found 3 days ago. The cheapest one-way found recently is $87 with Bangkok Airways, 11 Mar 2027, found 2 days ago.

Return

In March 2027, the cheapest return fare on each of 4 departure dates is usually $226 to $279. Across all 55 departure dates we hold on this route, it is usually $225 to $286. Of the 5 months with enough return fares to compare, 1 is usually cheaper than March 2027.

Cheapest return found recently

$320

13 Mar 2027 – 20 Mar 2027 · Bangkok Airways

Koh Samui Airport (USM) → Don Mueang International Airport (DMK)

out nonstop, back nonstop

found 3 days ago

See prices for these datesCheck today's price

Cheapest we hold, of any age

$226

2 Mar 2027 – 14 Mar 2027 · Bangkok Airways

Koh Samui Airport (USM) → Don Mueang International Airport (DMK)

out nonstop, back nonstop

found 6 days ago

See prices for these datesCheck today's price

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The cheapest dates in March 2027

DatesFromAirlineStopsFound
2 Mar 2027 – 14 Mar 2027$226Bangkok Airwaysout nonstop, back nonstopfound 6 days agoSee prices for these dates
7 Mar 2027 – 10 Mar 2027$226Bangkok Airwaysout nonstop, back nonstopfound 5 days agoSee prices for these dates
24 Mar 2027 – 31 Mar 2027$265Bangkok Airwaysout nonstop, back nonstopfound 4 days agoSee prices for these dates
13 Mar 2027 – 20 Mar 2027$320Bangkok Airwaysout nonstop, back nonstopfound 3 days agoSee prices for these dates

Every date we hold

4 departure dates

2 Mar 2027 – 14 Mar 2027: $226, found 6 days ago7 Mar 2027 – 10 Mar 2027: $226, found 5 days ago13 Mar 2027 – 20 Mar 2027: $320, found 3 days ago24 Mar 2027 – 31 Mar 2027: $265, found 4 days agoMar
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
2 Mar 2027 – 14 Mar 2027$226Bangkok AirwaysKoh Samui Airport (USM) → Don Mueang International Airport (DMK)out nonstop, back nonstopfound 6 days agoSee prices for these dates
7 Mar 2027 – 10 Mar 2027$226Bangkok AirwaysKoh Samui Airport (USM) → Don Mueang International Airport (DMK)out nonstop, back nonstopfound 5 days agoSee prices for these dates
13 Mar 2027 – 20 Mar 2027$320Bangkok AirwaysKoh Samui Airport (USM) → Don Mueang International Airport (DMK)out nonstop, back nonstopfound 3 days agoSee prices for these dates
24 Mar 2027 – 31 Mar 2027$265Bangkok AirwaysKoh Samui Airport (USM) → Don Mueang International Airport (DMK)out nonstop, back nonstopfound 4 days agoSee prices for these dates

Which month looks cheapest?

November 2026 is the cheapest month — from $103.

November 2026From $103Cheapest seen7 departure dates14 Nov – 17 Nov · found 4 days agoSee prices for these datesEvery date in November 2026
December 2026From $22615 departure dates10 Dec – 14 Dec · found 4 days agoSee prices for these datesEvery date in December 2026
January 2027From $24313 departure dates31 Jan 2027 – 13 Feb 2027 · found 5 days agoSee prices for these datesEvery date in January 2027
February 2027From $1749 departure dates23 Feb 2027 – 6 Mar 2027 · found 3 days agoSee prices for these datesEvery date in February 2027
March 2027From $2264 departure dates2 Mar 2027 – 14 Mar 2027 · found 6 days agoSee prices for these dates
April 2027From $1732 departure dates11 Apr 2027 – 24 Apr 2027 · found 6 days agoSee prices for these datesEvery date in April 2027
May 2027From $1732 departure dates1 May 2027 – 12 May 2027 · found 8 days agoSee prices for these dates
June 2027From $1731 departure date16 Jun 2027 – 27 Jun 2027 · found 5 days agoSee prices for these dates
July 2027From $1741 departure date5 Jul 2027 – 15 Jul 2027 · found 6 days agoSee prices for these dates
August 2027From $1741 departure date1 Aug 2027 – 14 Aug 2027 · found 6 days agoSee prices for these dates

One-way

In March 2027, the cheapest one-way fare on each of 26 departure dates is usually $90 to $142. Across all 106 departure dates we hold on this route, it is usually $90 to $137. Of the 11 months with enough one-way fares to compare, 7 are usually cheaper than March 2027.

Cheapest one-way found recently

$87

11 Mar 2027 · Bangkok Airways

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

nonstop

found 2 days ago

Open this tripCheck today's price

It is also the cheapest one-way we hold, of any age.

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The cheapest dates in March 2027

DatesFromAirlineStopsFound
11 Mar 2027$87Bangkok Airwaysnonstopfound 2 days agoOpen this trip
17 Mar 2027$89Bangkok Airwaysnonstopfound 2 days agoOpen this trip
18 Mar 2027$89Bangkok Airwaysnonstopfound 4 days agoOpen this trip
20 Mar 2027$89Bangkok Airwaysnonstopfound 2 days agoOpen this trip
9 Mar 2027$90Bangkok Airwaysnonstopfound 2 days agoOpen this trip

Every date we hold

26 departure dates

1 Mar 2027: $144, found 2 days ago2 Mar 2027: $145, found 3 days ago3 Mar 2027: $139, found 5 days ago4 Mar 2027: $142, found 2 days ago5 Mar 2027: $139, found 2 days ago6 Mar 2027: $138, found 2 days ago7 Mar 2027: $137, found 2 days ago8 Mar 2027: $142, found 2 days ago9 Mar 2027: $90, found 2 days ago10 Mar 2027: $90, found 7 days ago11 Mar 2027: $87, found 2 days ago12 Mar 2027: $90, found 7 days ago13 Mar 2027: $144, found 3 days ago14 Mar 2027: $90, found 5 days ago15 Mar 2027: $139, found 2 days ago16 Mar 2027: $90, found 2 days ago17 Mar 2027: $89, found 2 days ago18 Mar 2027: $89, found 4 days ago19 Mar 2027: $126, found 7 days ago20 Mar 2027: $89, found 2 days ago21 Mar 2027: $90, found 3 days ago22 Mar 2027: $90, found 2 days ago26 Mar 2027: $135, found 5 days ago27 Mar 2027: $144, found 2 days ago30 Mar 2027: $173, found 2 days ago31 Mar 2027: $182, found 7 days agoMar
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
1 Mar 2027$144Bangkok AirwaysKoh Samui Airport (USM) → Don Mueang International Airport (DMK)nonstopfound 2 days agoOpen this trip
2 Mar 2027$145Bangkok AirwaysKoh Samui Airport (USM) → Don Mueang International Airport (DMK)nonstopfound 3 days agoOpen this trip
3 Mar 2027$139Bangkok AirwaysKoh Samui Airport (USM) → Don Mueang International Airport (DMK)1 stopfound 5 days agoOpen this trip
4 Mar 2027$142Bangkok AirwaysKoh Samui Airport (USM) → Don Mueang International Airport (DMK)1 stopfound 2 days agoOpen this trip
5 Mar 2027$139Bangkok AirwaysKoh Samui Airport (USM) → Don Mueang International Airport (DMK)nonstopfound 2 days agoOpen this trip
6 Mar 2027$138Bangkok AirwaysKoh Samui Airport (USM) → Don Mueang International Airport (DMK)nonstopfound 2 days agoOpen this trip
7 Mar 2027$137Bangkok AirwaysKoh Samui Airport (USM) → Don Mueang International Airport (DMK)nonstopfound 2 days agoOpen this trip
8 Mar 2027$142Bangkok AirwaysKoh Samui Airport (USM) → Don Mueang International Airport (DMK)1 stopfound 2 days agoOpen this trip
9 Mar 2027$90Bangkok AirwaysKoh Samui Airport (USM) → Suvarnabhumi Airport (BKK)nonstopfound 2 days agoOpen this trip
10 Mar 2027$90Bangkok AirwaysKoh Samui Airport (USM) → Suvarnabhumi Airport (BKK)nonstopfound 7 days agoOpen this trip
11 Mar 2027$87Bangkok AirwaysKoh Samui Airport (USM) → Suvarnabhumi Airport (BKK)nonstopfound 2 days agoOpen this trip
12 Mar 2027$90Bangkok AirwaysKoh Samui Airport (USM) → Suvarnabhumi Airport (BKK)nonstopfound 7 days agoOpen this trip
13 Mar 2027$144Bangkok AirwaysKoh Samui Airport (USM) → Suvarnabhumi Airport (BKK)1 stopfound 3 days agoOpen this trip
14 Mar 2027$90Bangkok AirwaysKoh Samui Airport (USM) → Suvarnabhumi Airport (BKK)nonstopfound 5 days agoOpen this trip
15 Mar 2027$139Bangkok AirwaysKoh Samui Airport (USM) → Don Mueang International Airport (DMK)nonstopfound 2 days agoOpen this trip
16 Mar 2027$90Bangkok AirwaysKoh Samui Airport (USM) → Suvarnabhumi Airport (BKK)nonstopfound 2 days agoOpen this trip
17 Mar 2027$89Bangkok AirwaysKoh Samui Airport (USM) → Suvarnabhumi Airport (BKK)nonstopfound 2 days agoOpen this trip
18 Mar 2027$89Bangkok AirwaysKoh Samui Airport (USM) → Suvarnabhumi Airport (BKK)nonstopfound 4 days agoOpen this trip
19 Mar 2027$126Bangkok AirwaysKoh Samui Airport (USM) → Don Mueang International Airport (DMK)nonstopfound 7 days agoOpen this trip
20 Mar 2027$89Bangkok AirwaysKoh Samui Airport (USM) → Suvarnabhumi Airport (BKK)nonstopfound 2 days agoOpen this trip
21 Mar 2027$90Bangkok AirwaysKoh Samui Airport (USM) → Suvarnabhumi Airport (BKK)nonstopfound 3 days agoOpen this trip
22 Mar 2027$90Bangkok AirwaysKoh Samui Airport (USM) → Suvarnabhumi Airport (BKK)nonstopfound 2 days agoOpen this trip
26 Mar 2027$135Bangkok AirwaysKoh Samui Airport (USM) → Suvarnabhumi Airport (BKK)nonstopfound 5 days agoOpen this trip
27 Mar 2027$144Bangkok AirwaysKoh Samui Airport (USM) → Don Mueang International Airport (DMK)nonstopfound 2 days agoOpen this trip
30 Mar 2027$173Bangkok AirwaysKoh Samui Airport (USM) → Suvarnabhumi Airport (BKK)1 stopfound 2 days agoOpen this trip
31 Mar 2027$182Bangkok AirwaysKoh Samui Airport (USM) → Suvarnabhumi Airport (BKK)nonstopfound 7 days agoOpen this trip

Which month looks cheapest?

November 2026 is the cheapest month — from $50.

November 2026From $50Cheapest seen17 departure dates19 Nov · found 2 days agoOpen this tripEvery date in November 2026
December 2026From $9015 departure dates23 Dec · found 5 days agoOpen this tripEvery date in December 2026
January 2027From $864 departure dates1 Jan 2027 · found 5 days agoOpen this tripEvery date in January 2027
February 2027From $899 departure dates6 Feb 2027 · found 2 days agoOpen this tripEvery date in February 2027
March 2027From $8726 departure dates11 Mar 2027 · found 2 days agoOpen this trip
April 2027From $8910 departure dates27 Apr 2027 · found 2 days agoOpen this tripEvery date in April 2027
May 2027From $896 departure dates1 May 2027 · found 2 days agoOpen this trip
June 2027From $906 departure dates3 Jun 2027 · found 5 days agoOpen this trip
July 2027From $895 departure dates18 Jul 2027 · found 2 days agoOpen this trip
August 2027From $904 departure dates5 Aug 2027 · found 5 days agoOpen this trip
September 2027From $901 departure date15 Sept 2027 · found 4 days agoOpen this trip
October 2027From $903 departure dates21 Oct 2027 · found 7 days agoOpen this trip

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