Cheap flights from Ronkonkoma to Koh Samui

View AU$613 flight on Thu, 28 Aug. 2025Opens in a new window

Popular airlines from Ronkonkoma to Koh Samui

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Cheap Flights from Ronkonkoma (NYC) to Koh Samui (USM)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Thu, 28 Aug. - Thu, 4 Sep.
EWR
New York
USM
Koh Samui
AU$1,139 Return, found 4 days ago
AU$1,139
Return
found 4 days ago
Select United flight, departing Thu, 28 Aug. from New York to Koh Samui, returning Thu, 4 Sep., priced at AU$1,139 found 4 days ago
Japan Airlines
Sun, 14 Sep. - Sun, 21 Sep.
JFK
New York
USM
Koh Samui
AU$1,418 Return, found 2 days ago
AU$1,418
Return
found 2 days ago
Select Japan Airlines flight, departing Sun, 14 Sep. from New York to Koh Samui, returning Sun, 21 Sep., priced at AU$1,418 found 2 days ago
EVA Airways
Sun, 14 Sep. - Sun, 21 Sep.
JFK
New York
USM
Koh Samui
AU$2,003 Return, found 2 days ago
AU$2,003
Return
found 2 days ago
Select EVA Airways flight, departing Sun, 14 Sep. from New York to Koh Samui, returning Sun, 21 Sep., priced at AU$2,003 found 2 days ago
China Airlines
Sun, 14 Sep. - Sun, 21 Sep.
JFK
New York
USM
Koh Samui
AU$2,193 Return, found 2 days ago
AU$2,193
Return
found 2 days ago
Select China Airlines flight, departing Sun, 14 Sep. from New York to Koh Samui, returning Sun, 21 Sep., priced at AU$2,193 found 2 days ago
Etihad Airways
Sun, 14 Sep. - Sun, 21 Sep.
JFK
New York
USM
Koh Samui
AU$2,205 Return, found 2 days ago
AU$2,205
Return
found 2 days ago
Select Etihad Airways flight, departing Sun, 14 Sep. from New York to Koh Samui, returning Sun, 21 Sep., priced at AU$2,205 found 2 days ago
Qatar Airways
Sun, 14 Sep. - Sun, 21 Sep.
JFK
New York
USM
Koh Samui
AU$2,253 Return, found 2 days ago
AU$2,253
Return
found 2 days ago
Select Qatar Airways flight, departing Sun, 14 Sep. from New York to Koh Samui, returning Sun, 21 Sep., priced at AU$2,253 found 2 days ago

Find the cheapest month to fly from New York (JFK) to Koh Samui (USM)

November is typically the cheapest month to fly

From AU$1,416 - AU$2,515 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.