Cheap flights from Seattle to Koh Samui from CA $840

Airlines that fly from Seattle to Koh Samui

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Cheap flights from Seattle (SEA) to Koh Samui (USM)

Prices were available within the past 7 days and start at CA $840 for one-way flights and CA $1,543 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

EVA Airways
Thu., Nov. 28 - Wed., Dec. 11
SEA
Seattle
USM
Koh Samui
CA $1,543 Roundtrip, found 22 hours ago
CA $1,543
Roundtrip
found 22 hours ago
Select EVA Airways flight, departing Thu., Nov. 28 from Seattle to Koh Samui, returning Wed., Dec. 11, priced at CA $1,543 found 22 hours ago
EVA Airways
Thu., Nov. 28 - Wed., Dec. 11
SEA
Seattle
USM
Koh Samui
CA $1,548 Roundtrip, found 22 hours ago
CA $1,548
Roundtrip
found 22 hours ago
Select EVA Airways flight, departing Thu., Nov. 28 from Seattle to Koh Samui, returning Wed., Dec. 11, priced at CA $1,548 found 22 hours ago
EVA Airways
Thu., Nov. 28 - Wed., Dec. 11
SEA
Seattle
USM
Koh Samui
CA $1,599 Roundtrip, found 22 hours ago
CA $1,599
Roundtrip
found 22 hours ago
Select EVA Airways flight, departing Thu., Nov. 28 from Seattle to Koh Samui, returning Wed., Dec. 11, priced at CA $1,599 found 22 hours ago
EVA Airways
Thu., Nov. 28 - Wed., Dec. 11
SEA
Seattle
USM
Koh Samui
CA $1,626 Roundtrip, found 22 hours ago
CA $1,626
Roundtrip
found 22 hours ago
Select EVA Airways flight, departing Thu., Nov. 28 from Seattle to Koh Samui, returning Wed., Dec. 11, priced at CA $1,626 found 22 hours ago
EVA Airways
Thu., Nov. 28 - Wed., Dec. 11
SEA
Seattle
USM
Koh Samui
CA $1,668 Roundtrip, found 22 hours ago
CA $1,668
Roundtrip
found 22 hours ago
Select EVA Airways flight, departing Thu., Nov. 28 from Seattle to Koh Samui, returning Wed., Dec. 11, priced at CA $1,668 found 22 hours ago
Singapore Airlines
Sun., Feb. 9 - Sat., Feb. 22
SEA
Seattle
USM
Koh Samui
CA $1,875 Roundtrip, found 2 days ago
CA $1,875
Roundtrip
found 2 days ago
Select Singapore Airlines flight, departing Sun., Feb. 9 from Seattle to Koh Samui, returning Sat., Feb. 22, priced at CA $1,875 found 2 days ago
*Available to Expedia members.