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Pattaya to Koh Samui flights in December 2026 from $109 UTP → USM

Utapao Airport (UTP) → Koh Samui Airport (USM)

For departures in December 2026, the cheapest return found recently is $234 with Bangkok Airways, 3 Dec – 5 Dec, found 2 days ago. The cheapest one-way found recently is $109 with Bangkok Airways, 2 Dec, found 2 days ago.

Return

In December 2026, the cheapest return fare on each of 15 departure dates is usually $354 to $502. Across all 49 departure dates we hold on this route, it is usually $259 to $355. Of the 5 months with enough return fares to compare, December 2026 is usually the most expensive.

Cheapest return found recently

$234

3 Dec – 5 Dec · Bangkok Airways

Utapao Airport (UTP) → Koh Samui Airport (USM)

out nonstop, back nonstop

found 2 days ago

See prices for these datesCheck today's price

It is also the cheapest return we hold, of any age.

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

The cheapest dates in December 2026

DatesFromAirlineStopsFound
3 Dec – 5 Dec$234Bangkok Airwaysout nonstop, back nonstopfound 2 days agoSee prices for these dates
16 Dec – 19 Dec$320Bangkok Airwaysout nonstop, back nonstopfound 2 days agoSee prices for these dates
12 Dec – 19 Dec$322Bangkok Airwaysout nonstop, back nonstopfound 7 days agoSee prices for these dates
17 Dec – 20 Dec$354Bangkok Airwaysout nonstop, back nonstopfound 2 days agoSee prices for these dates
28 Dec – 11 Jan 2027$354Bangkok Airwaysout nonstop, back nonstopfound 2 days agoSee prices for these dates

Every date we hold

15 departure dates

3 Dec – 5 Dec: $234, found 2 days ago7 Dec – 11 Dec: $455, found 2 days ago8 Dec – 10 Dec: $495, found 4 days ago9 Dec – 11 Dec: $396, found 4 days ago12 Dec – 19 Dec: $322, found 7 days ago16 Dec – 19 Dec: $320, found 2 days ago17 Dec – 20 Dec: $354, found 2 days ago21 Dec – 21 Dec: $565, found 3 days ago24 Dec – 24 Dec: $508, found 4 days ago26 Dec – 3 Jan 2027: $355, found 6 days ago27 Dec – 7 Jan 2027: $357, found 3 days ago28 Dec – 11 Jan 2027: $354, found 2 days ago29 Dec – 3 Jan 2027: $516, found 3 days ago30 Dec – 1 Jan 2027: $517, found 7 days ago31 Dec – 11 Jan 2027: $354, found 2 days agoDec
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
3 Dec – 5 Dec$234Bangkok AirwaysUtapao Airport (UTP) → Koh Samui Airport (USM)out nonstop, back nonstopfound 2 days agoSee prices for these dates
7 Dec – 11 Dec$455Bangkok AirwaysUtapao Airport (UTP) → Koh Samui Airport (USM)out nonstop, back 1 stopfound 2 days agoSee prices for these dates
8 Dec – 10 Dec$495Bangkok AirwaysUtapao Airport (UTP) → Koh Samui Airport (USM)out nonstop, back 1 stopfound 4 days agoSee prices for these dates
9 Dec – 11 Dec$396Bangkok AirwaysUtapao Airport (UTP) → Koh Samui Airport (USM)out nonstop, back 1 stopfound 4 days agoSee prices for these dates
12 Dec – 19 Dec$322Bangkok AirwaysUtapao Airport (UTP) → Koh Samui Airport (USM)out nonstop, back nonstopfound 7 days agoSee prices for these dates
16 Dec – 19 Dec$320Bangkok AirwaysUtapao Airport (UTP) → Koh Samui Airport (USM)out nonstop, back nonstopfound 2 days agoSee prices for these dates
17 Dec – 20 Dec$354Bangkok AirwaysUtapao Airport (UTP) → Koh Samui Airport (USM)out nonstop, back nonstopfound 2 days agoSee prices for these dates
21 Dec – 21 Dec$565Bangkok AirwaysUtapao Airport (UTP) → Koh Samui Airport (USM)out nonstop, back 2 stopsfound 3 days agoSee prices for these dates
24 Dec – 24 Dec$508Bangkok AirwaysUtapao Airport (UTP) → Koh Samui Airport (USM)out nonstop, back 2 stopsfound 4 days agoSee prices for these dates
26 Dec – 3 Jan 2027$355Bangkok AirwaysUtapao Airport (UTP) → Koh Samui Airport (USM)out nonstop, back nonstopfound 6 days agoSee prices for these dates
27 Dec – 7 Jan 2027$357Bangkok AirwaysUtapao Airport (UTP) → Koh Samui Airport (USM)out nonstop, back nonstopfound 3 days agoSee prices for these dates
28 Dec – 11 Jan 2027$354Bangkok AirwaysUtapao Airport (UTP) → Koh Samui Airport (USM)out nonstop, back nonstopfound 2 days agoSee prices for these dates
29 Dec – 3 Jan 2027$516Bangkok AirwaysUtapao Airport (UTP) → Koh Samui Airport (USM)out 1 stop, back nonstopfound 3 days agoSee prices for these dates
30 Dec – 1 Jan 2027$517Bangkok AirwaysUtapao Airport (UTP) → Koh Samui Airport (USM)out 1 stop, back nonstopfound 7 days agoSee prices for these dates
31 Dec – 11 Jan 2027$354Bangkok AirwaysUtapao Airport (UTP) → Koh Samui Airport (USM)out nonstop, back nonstopfound 2 days agoSee prices for these dates

Which month looks cheapest?

November 2026 is the cheapest month — from $102.

November 2026From $102Cheapest seen10 departure dates13 Nov – 16 Nov · found 4 days agoSee prices for these datesEvery date in November 2026
December 2026From $23415 departure dates3 Dec – 5 Dec · found 2 days agoSee prices for these dates
January 2027From $28911 departure dates24 Jan 2027 – 6 Feb 2027 · found 4 days agoSee prices for these datesEvery date in January 2027
February 2027From $2208 departure dates26 Feb 2027 – 11 Mar 2027 · found 3 days agoSee prices for these datesEvery date in February 2027
March 2027From $1964 departure dates4 Mar 2027 – 13 Mar 2027 · found 2 days agoSee prices for these dates
July 2027From $2701 departure date3 Jul 2027 – 24 Jul 2027 · found 2 days agoSee prices for these dates

One-way

In December 2026, the cheapest one-way fare on each of 12 departure dates is usually $123 to $174. Across all 43 departure dates we hold on this route, it is usually $102 to $151. Of the 5 months with enough one-way fares to compare, December 2026 is usually the most expensive.

Cheapest one-way found recently

$109

2 Dec · Bangkok Airways

Utapao Airport (UTP) → 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.

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

The cheapest dates in December 2026

DatesFromAirlineStopsFound
2 Dec$109Bangkok Airwaysnonstopfound 2 days agoOpen this trip
3 Dec$118Bangkok Airwaysnonstopfound 2 days agoOpen this trip
9 Dec$121Bangkok Airwaysnonstopfound 3 days agoOpen this trip
5 Dec$123Bangkok Airwaysnonstopfound 2 days agoOpen this trip
11 Dec$128Bangkok Airwaysnonstopfound 3 days agoOpen this trip

Every date we hold

12 departure dates

2 Dec: $109, found 2 days ago3 Dec: $118, found 2 days ago5 Dec: $123, found 2 days ago7 Dec: $167, found 3 days ago8 Dec: $175, found 6 days ago9 Dec: $121, found 3 days ago11 Dec: $128, found 3 days ago13 Dec: $175, found 3 days ago17 Dec: $175, found 4 days ago23 Dec: $174, found 2 days ago28 Dec: $174, found 2 days ago31 Dec: $165, found 5 days agoDec
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
2 Dec$109Bangkok AirwaysUtapao Airport (UTP) → Koh Samui Airport (USM)nonstopfound 2 days agoOpen this trip
3 Dec$118Bangkok AirwaysUtapao Airport (UTP) → Koh Samui Airport (USM)nonstopfound 2 days agoOpen this trip
5 Dec$123Bangkok AirwaysUtapao Airport (UTP) → Koh Samui Airport (USM)nonstopfound 2 days agoOpen this trip
7 Dec$167Bangkok AirwaysUtapao Airport (UTP) → Koh Samui Airport (USM)nonstopfound 3 days agoOpen this trip
8 Dec$175Bangkok AirwaysUtapao Airport (UTP) → Koh Samui Airport (USM)nonstopfound 6 days agoOpen this trip
9 Dec$121Bangkok AirwaysUtapao Airport (UTP) → Koh Samui Airport (USM)nonstopfound 3 days agoOpen this trip
11 Dec$128Bangkok AirwaysUtapao Airport (UTP) → Koh Samui Airport (USM)nonstopfound 3 days agoOpen this trip
13 Dec$175Bangkok AirwaysUtapao Airport (UTP) → Koh Samui Airport (USM)nonstopfound 3 days agoOpen this trip
17 Dec$175Bangkok AirwaysUtapao Airport (UTP) → Koh Samui Airport (USM)nonstopfound 4 days agoOpen this trip
23 Dec$174Bangkok AirwaysUtapao Airport (UTP) → Koh Samui Airport (USM)nonstopfound 2 days agoOpen this trip
28 Dec$174Bangkok AirwaysUtapao Airport (UTP) → Koh Samui Airport (USM)nonstopfound 2 days agoOpen this trip
31 Dec$165Bangkok AirwaysUtapao Airport (UTP) → Koh Samui Airport (USM)nonstopfound 5 days agoOpen this trip

Which month looks cheapest?

November 2026 is the cheapest month — from $40.

November 2026From $40Cheapest seen13 departure dates15 Nov · found 2 days agoOpen this tripEvery date in November 2026
December 2026From $10912 departure dates2 Dec · found 2 days agoOpen this trip
January 2027From $1268 departure dates29 Jan 2027 · found 2 days agoOpen this tripEvery date in January 2027
February 2027From $1621 departure date3 Feb 2027 · found 6 days agoOpen this tripEvery date in February 2027
March 2027From $784 departure dates11 Mar 2027 · found 2 days agoOpen this trip
April 2027From $932 departure dates16 Apr 2027 · found 6 days agoOpen this trip
July 2027From $783 departure dates1 Jul 2027 · found 2 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