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Bangkok to Koh Samui flights in July 2027 from $84 BKK, DMK → USM

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

For departures in July 2027, the cheapest return found recently is $172 with Bangkok Airways, 4 Jul 2027 – 25 Jul 2027, found 2 days ago. The cheapest one-way found recently is $84 with Bangkok Airways, 3 Jul 2027, found 2 days ago.

Return

In July 2027, the cheapest return fare on each of 20 departure dates is usually $173 to $174. 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 July 2027.

Cheapest return found recently

$172

4 Jul 2027 – 25 Jul 2027 · Bangkok Airways

Don Mueang International Airport (DMK) → 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

$159

17 Jul 2027 – 4 Aug 2027 · Bangkok Airways

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

out nonstop, back nonstop

found 3 days ago

See prices for these datesCheck today's price

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The cheapest dates in July 2027

DatesFromAirlineStopsFound
17 Jul 2027 – 4 Aug 2027$159Bangkok Airwaysout nonstop, back nonstopfound 3 days agoSee prices for these dates
25 Jul 2027 – 3 Aug 2027$160Bangkok Airwaysout nonstop, back nonstopfound 4 days agoSee prices for these dates
2 Jul 2027 – 11 Jul 2027$162Bangkok Airwaysout nonstop, back nonstopfound 5 days agoSee prices for these dates
3 Jul 2027 – 10 Jul 2027$162Bangkok Airwaysout nonstop, back nonstopfound 5 days agoSee prices for these dates
4 Jul 2027 – 25 Jul 2027$172Bangkok Airwaysout nonstop, back nonstopfound 2 days agoSee prices for these dates

Every date we hold

20 departure dates

2 Jul 2027 – 11 Jul 2027: $162, found 5 days ago3 Jul 2027 – 10 Jul 2027: $162, found 5 days ago4 Jul 2027 – 25 Jul 2027: $172, found 2 days ago5 Jul 2027 – 19 Jul 2027: $174, found 3 days ago6 Jul 2027 – 20 Jul 2027: $173, found 2 days ago9 Jul 2027 – 31 Jul 2027: $219, found 2 days ago10 Jul 2027 – 24 Jul 2027: $174, found 6 days ago11 Jul 2027 – 21 Jul 2027: $173, found 2 days ago12 Jul 2027 – 26 Jul 2027: $173, found 2 days ago13 Jul 2027 – 27 Jul 2027: $174, found 7 days ago14 Jul 2027 – 28 Jul 2027: $174, found 7 days ago15 Jul 2027 – 29 Jul 2027: $174, found 7 days ago16 Jul 2027 – 30 Jul 2027: $174, found 7 days ago17 Jul 2027 – 4 Aug 2027: $159, found 3 days ago19 Jul 2027 – 31 Jul 2027: $174, found 7 days ago20 Jul 2027 – 6 Aug 2027: $174, found 5 days ago25 Jul 2027 – 3 Aug 2027: $160, found 4 days ago28 Jul 2027 – 3 Aug 2027: $174, found 3 days ago30 Jul 2027 – 17 Aug 2027: $174, found 4 days ago31 Jul 2027 – 20 Aug 2027: $174, found 4 days agoJul
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
2 Jul 2027 – 11 Jul 2027$162Bangkok AirwaysSuvarnabhumi Airport (BKK) → Koh Samui Airport (USM)out nonstop, back nonstopfound 5 days agoSee prices for these dates
3 Jul 2027 – 10 Jul 2027$162Bangkok AirwaysSuvarnabhumi Airport (BKK) → Koh Samui Airport (USM)out nonstop, back nonstopfound 5 days agoSee prices for these dates
4 Jul 2027 – 25 Jul 2027$172Bangkok AirwaysDon Mueang International Airport (DMK) → Koh Samui Airport (USM)out nonstop, back nonstopfound 2 days agoSee prices for these dates
5 Jul 2027 – 19 Jul 2027$174Bangkok AirwaysDon Mueang International Airport (DMK) → Koh Samui Airport (USM)out nonstop, back nonstopfound 3 days agoSee prices for these dates
6 Jul 2027 – 20 Jul 2027$173Bangkok AirwaysSuvarnabhumi Airport (BKK) → Koh Samui Airport (USM)out nonstop, back nonstopfound 2 days agoSee prices for these dates
9 Jul 2027 – 31 Jul 2027$219Bangkok AirwaysSuvarnabhumi Airport (BKK) → Koh Samui Airport (USM)out nonstop, back nonstopfound 2 days agoSee prices for these dates
10 Jul 2027 – 24 Jul 2027$174Bangkok AirwaysSuvarnabhumi Airport (BKK) → Koh Samui Airport (USM)out nonstop, back nonstopfound 6 days agoSee prices for these dates
11 Jul 2027 – 21 Jul 2027$173Bangkok AirwaysSuvarnabhumi Airport (BKK) → Koh Samui Airport (USM)out nonstop, back nonstopfound 2 days agoSee prices for these dates
12 Jul 2027 – 26 Jul 2027$173Bangkok AirwaysSuvarnabhumi Airport (BKK) → Koh Samui Airport (USM)out nonstop, back nonstopfound 2 days agoSee prices for these dates
13 Jul 2027 – 27 Jul 2027$174Bangkok AirwaysSuvarnabhumi Airport (BKK) → Koh Samui Airport (USM)out nonstop, back nonstopfound 7 days agoSee prices for these dates
14 Jul 2027 – 28 Jul 2027$174Bangkok AirwaysSuvarnabhumi Airport (BKK) → Koh Samui Airport (USM)out nonstop, back nonstopfound 7 days agoSee prices for these dates
15 Jul 2027 – 29 Jul 2027$174Bangkok AirwaysSuvarnabhumi Airport (BKK) → Koh Samui Airport (USM)out nonstop, back nonstopfound 7 days agoSee prices for these dates
16 Jul 2027 – 30 Jul 2027$174Bangkok AirwaysSuvarnabhumi Airport (BKK) → Koh Samui Airport (USM)out nonstop, back nonstopfound 7 days agoSee prices for these dates
17 Jul 2027 – 4 Aug 2027$159Bangkok AirwaysSuvarnabhumi Airport (BKK) → Koh Samui Airport (USM)out nonstop, back nonstopfound 3 days agoSee prices for these dates
19 Jul 2027 – 31 Jul 2027$174Bangkok AirwaysSuvarnabhumi Airport (BKK) → Koh Samui Airport (USM)out nonstop, back nonstopfound 7 days agoSee prices for these dates
20 Jul 2027 – 6 Aug 2027$174Bangkok AirwaysSuvarnabhumi Airport (BKK) → Koh Samui Airport (USM)out nonstop, back nonstopfound 5 days agoSee prices for these dates
25 Jul 2027 – 3 Aug 2027$160Bangkok AirwaysSuvarnabhumi Airport (BKK) → Koh Samui Airport (USM)out nonstop, back nonstopfound 4 days agoSee prices for these dates
28 Jul 2027 – 3 Aug 2027$174Bangkok AirwaysSuvarnabhumi Airport (BKK) → Koh Samui Airport (USM)out nonstop, back nonstopfound 3 days agoSee prices for these dates
30 Jul 2027 – 17 Aug 2027$174Bangkok AirwaysSuvarnabhumi Airport (BKK) → Koh Samui Airport (USM)out nonstop, back nonstopfound 4 days agoSee prices for these dates
31 Jul 2027 – 20 Aug 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 datesEvery date in March 2027
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 dates
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

One-way

In July 2027, the cheapest one-way fare on each of 4 departure dates is usually $84 to $84. Across all 26 departure dates we hold on this route, it is usually $84 to $84. Of the 4 months with enough one-way fares to compare, 1 is usually cheaper than July 2027.

Cheapest one-way found recently

$84

3 Jul 2027 · Bangkok Airways

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

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 July 2027

DatesFromAirlineStopsFound
3 Jul 2027$84Bangkok Airwaysnonstopfound 2 days agoOpen this trip
25 Jul 2027$84Bangkok Airwaysnonstopfound 2 days agoOpen this trip
26 Jul 2027$84Bangkok Airwaysnonstopfound 3 days agoOpen this trip
27 Jul 2027$84Bangkok Airwaysnonstopfound 3 days agoOpen this trip

Every date we hold

4 departure dates

3 Jul 2027: $84, found 2 days ago25 Jul 2027: $84, found 2 days ago26 Jul 2027: $84, found 3 days ago27 Jul 2027: $84, found 3 days agoJul
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
3 Jul 2027$84Bangkok AirwaysSuvarnabhumi Airport (BKK) → Koh Samui Airport (USM)nonstopfound 2 days agoOpen this trip
25 Jul 2027$84Bangkok AirwaysSuvarnabhumi Airport (BKK) → Koh Samui Airport (USM)nonstopfound 2 days agoOpen this trip
26 Jul 2027$84Bangkok AirwaysSuvarnabhumi Airport (BKK) → Koh Samui Airport (USM)nonstopfound 3 days agoOpen this trip
27 Jul 2027$84Bangkok AirwaysSuvarnabhumi Airport (BKK) → Koh Samui Airport (USM)nonstopfound 3 days agoOpen this trip

Which month looks cheapest?

November 2026 is the cheapest month — from $40.

November 2026From $40Cheapest seen4 departure dates19 Nov · found 2 days agoOpen this tripEvery date in November 2026
April 2027From $841 departure date15 Apr 2027 · found 5 days agoOpen this tripEvery date in April 2027
May 2027From $817 departure dates1 May 2027 · found 2 days agoOpen this tripEvery date in May 2027
June 2027From $846 departure dates6 Jun 2027 · found 6 days agoOpen this tripEvery date in June 2027
July 2027From $844 departure dates3 Jul 2027 · found 2 days agoOpen this trip
August 2027From $842 departure dates12 Aug 2027 · found 6 days agoOpen this tripEvery date in August 2027
September 2027From $841 departure date4 Sept 2027 · found 3 days agoOpen this trip
October 2027From $851 departure date6 Oct 2027 · found 7 days agoOpen this tripEvery 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