AirHint found the following cheapest return flights from Ko Samui (USM) to Kuala Lumpur (KUL) in December 2025 (see full year).

Return flights

17 Dec - 20 Dec	Scoot
16 Dec - 19 Dec	Scoot
17 Dec - 24 Dec	Scoot
29 Dec - 02 Jan	Scoot
16 Dec - 26 Dec	Scoot
17 Dec - 26 Dec	Scoot
18 Dec - 26 Dec	Scoot
19 Dec - 26 Dec	Scoot
15 Dec - 25 Dec	Scoot
16 Dec - 25 Dec	Scoot
17 Dec - 25 Dec	Scoot

Also check the deals for one-way flights from Ko Samui to Kuala Lumpur in December.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Ko Samui to Kuala Lumpur in December from $297

Return flights