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Koh Samui to Bangkok flights in November 2026 from $50 USM → BKK, DMK

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

For departures in November 2026, the cheapest return found recently is $269 with Bangkok Airways, 15 Nov – 15 Nov, found 2 days ago. The cheapest one-way found recently is $50 with Bangkok Airways, 19 Nov, found 2 days ago.

Return

In November 2026, the cheapest return fare on each of 7 departure dates is usually $132 to $197. 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, November 2026 is usually the cheapest.

Cheapest return found recently

$269

15 Nov – 15 Nov · Bangkok Airways

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

out nonstop, back nonstop

found 2 days ago

See prices for these datesCheck today's price

Cheapest we hold, of any age

$103

14 Nov – 17 Nov · Bangkok Airways

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

out nonstop, back nonstop

found 4 days ago

See prices for these datesCheck today's price

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The cheapest dates in November 2026

DatesFromAirlineStopsFound
14 Nov – 17 Nov$103Bangkok Airwaysout nonstop, back nonstopfound 4 days agoSee prices for these dates
13 Nov – 14 Nov$106Bangkok Airwaysout nonstop, back nonstopfound 6 days agoSee prices for these dates
27 Nov – 30 Nov$158Bangkok Airwaysout nonstop, back nonstopfound 3 days agoSee prices for these dates
16 Nov – 18 Nov$172Bangkok Airwaysout nonstop, back nonstopfound 4 days agoSee prices for these dates
17 Nov – 18 Nov$175Bangkok Airwaysout nonstop, back nonstopfound 3 days agoSee prices for these dates

Every date we hold

7 departure dates

13 Nov – 14 Nov: $106, found 6 days ago14 Nov – 17 Nov: $103, found 4 days ago15 Nov – 15 Nov: $269, found 2 days ago16 Nov – 18 Nov: $172, found 4 days ago17 Nov – 18 Nov: $175, found 3 days ago19 Nov – 19 Nov: $218, found 3 days ago27 Nov – 30 Nov: $158, found 3 days agoNov
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
13 Nov – 14 Nov$106Bangkok AirwaysKoh Samui Airport (USM) → Don Mueang International Airport (DMK)out nonstop, back nonstopfound 6 days agoSee prices for these dates
14 Nov – 17 Nov$103Bangkok AirwaysKoh Samui Airport (USM) → Suvarnabhumi Airport (BKK)out nonstop, back nonstopfound 4 days agoSee prices for these dates
15 Nov – 15 Nov$269Bangkok AirwaysKoh Samui Airport (USM) → Suvarnabhumi Airport (BKK)out nonstop, back nonstopfound 2 days agoSee prices for these dates
16 Nov – 18 Nov$172Bangkok AirwaysKoh Samui Airport (USM) → Don Mueang International Airport (DMK)out nonstop, back nonstopfound 4 days agoSee prices for these dates
17 Nov – 18 Nov$175Bangkok AirwaysKoh Samui Airport (USM) → Don Mueang International Airport (DMK)out nonstop, back nonstopfound 3 days agoSee prices for these dates
19 Nov – 19 Nov$218Bangkok AirwaysKoh Samui Airport (USM) → Don Mueang International Airport (DMK)out nonstop, back nonstopfound 3 days agoSee prices for these dates
27 Nov – 30 Nov$158Bangkok AirwaysKoh Samui Airport (USM) → Suvarnabhumi Airport (BKK)out nonstop, back nonstopfound 3 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 dates
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 datesEvery date in March 2027
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 November 2026, the cheapest one-way fare on each of 17 departure dates is usually $60 to $99. 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, November 2026 is usually the cheapest.

Cheapest one-way found recently

$50

19 Nov · Bangkok Airways

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

nonstop

found 2 days ago

Open this tripCheck today's price

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

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

The cheapest dates in November 2026

DatesFromAirlineStopsFound
19 Nov$50Bangkok Airwaysnonstopfound 2 days agoOpen this trip
17 Nov$51Bangkok Airwaysnonstopfound 2 days agoOpen this trip
18 Nov$52Bangkok Airwaysnonstopfound 3 days agoOpen this trip
14 Nov$58Bangkok Airwaysnonstopfound 3 days agoOpen this trip
13 Nov$60Bangkok Airwaysnonstopfound 5 days agoOpen this trip

Every date we hold

17 departure dates

13 Nov: $60, found 5 days ago14 Nov: $58, found 3 days ago15 Nov: $64, found 6 days ago16 Nov: $74, found 4 days ago17 Nov: $51, found 2 days ago18 Nov: $52, found 3 days ago19 Nov: $50, found 2 days ago20 Nov: $89, found 2 days ago21 Nov: $114, found 6 days ago22 Nov: $100, found 2 days ago23 Nov: $98, found 6 days ago24 Nov: $76, found 7 days ago25 Nov: $89, found 2 days ago26 Nov: $116, found 2 days ago27 Nov: $82, found 3 days ago28 Nov: $115, found 3 days ago30 Nov: $99, found 2 days agoNov
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
13 Nov$60Bangkok AirwaysKoh Samui Airport (USM) → Don Mueang International Airport (DMK)nonstopfound 5 days agoOpen this trip
14 Nov$58Bangkok AirwaysKoh Samui Airport (USM) → Don Mueang International Airport (DMK)nonstopfound 3 days agoOpen this trip
15 Nov$64Bangkok AirwaysKoh Samui Airport (USM) → Suvarnabhumi Airport (BKK)nonstopfound 6 days agoOpen this trip
16 Nov$74Bangkok AirwaysKoh Samui Airport (USM) → Don Mueang International Airport (DMK)nonstopfound 4 days agoOpen this trip
17 Nov$51Bangkok AirwaysKoh Samui Airport (USM) → Suvarnabhumi Airport (BKK)nonstopfound 2 days agoOpen this trip
18 Nov$52Bangkok AirwaysKoh Samui Airport (USM) → Don Mueang International Airport (DMK)nonstopfound 3 days agoOpen this trip
19 Nov$50Bangkok AirwaysKoh Samui Airport (USM) → Don Mueang International Airport (DMK)nonstopfound 2 days agoOpen this trip
20 Nov$89Bangkok AirwaysKoh Samui Airport (USM) → Suvarnabhumi Airport (BKK)nonstopfound 2 days agoOpen this trip
21 Nov$114Bangkok AirwaysKoh Samui Airport (USM) → Suvarnabhumi Airport (BKK)nonstopfound 6 days agoOpen this trip
22 Nov$100Bangkok AirwaysKoh Samui Airport (USM) → Don Mueang International Airport (DMK)nonstopfound 2 days agoOpen this trip
23 Nov$98Bangkok AirwaysKoh Samui Airport (USM) → Don Mueang International Airport (DMK)nonstopfound 6 days agoOpen this trip
24 Nov$76Bangkok AirwaysKoh Samui Airport (USM) → Suvarnabhumi Airport (BKK)nonstopfound 7 days agoOpen this trip
25 Nov$89Bangkok AirwaysKoh Samui Airport (USM) → Suvarnabhumi Airport (BKK)nonstopfound 2 days agoOpen this trip
26 Nov$116Bangkok AirwaysKoh Samui Airport (USM) → Don Mueang International Airport (DMK)nonstopfound 2 days agoOpen this trip
27 Nov$82Bangkok AirwaysKoh Samui Airport (USM) → Suvarnabhumi Airport (BKK)nonstopfound 3 days agoOpen this trip
28 Nov$115Bangkok AirwaysKoh Samui Airport (USM) → Don Mueang International Airport (DMK)nonstopfound 3 days agoOpen this trip
30 Nov$99Bangkok AirwaysKoh Samui Airport (USM) → Don Mueang International Airport (DMK)nonstopfound 2 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 trip
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 tripEvery date in March 2027
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