Flights From Seattle (SEA) to Koh Samui (USM)

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Selected fares from Seattle to Koh Samui

The cheapest prices found with in the last 7 days for return flights were CA $1,543 and CA $913 for one-way flights to Koh Samui for the period specified. Prices and availability are subject to change. Additional terms apply.

EVA Airways
EVA Airways
EVA Airways