Cheap flights from Seattle to Koh Samui from CA $806

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

Prices were available within the past 7 days and start at CA $806 for one-way flights and CA $1,455 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue., Nov. 4 - Mon., Nov. 10

SEA

Seattle

USM

Koh Samui

CA $1,455 Roundtrip, found 9 hours ago

CA $1,455

Roundtrip

found 9 hours ago

Select Singapore Airlines flight, departing Tue., Nov. 4 from Seattle to Koh Samui, returning Mon., Nov. 10, priced at CA $1,455 found 9 hours ago

Tue., Nov. 4 - Mon., Nov. 10

SEA

Seattle

USM

Koh Samui

CA $1,470 Roundtrip, found 9 hours ago

CA $1,470

Roundtrip

found 9 hours ago

Select EVA Airways flight, departing Tue., Nov. 4 from Seattle to Koh Samui, returning Mon., Nov. 10, priced at CA $1,470 found 9 hours ago

Mon., Apr. 28 - Mon., May 26

SEA

Seattle

USM

Koh Samui

CA $1,661 Roundtrip, found 2 days ago

CA $1,661

Roundtrip

found 2 days ago

Select China Airlines flight, departing Mon., Apr. 28 from Seattle to Koh Samui, returning Mon., May 26, priced at CA $1,661 found 2 days ago

Tue., Nov. 4 - Mon., Nov. 10

SEA

Seattle

USM

Koh Samui

CA $1,690 Roundtrip, found 9 hours ago

CA $1,690

Roundtrip

found 9 hours ago

Select Qatar Airways flight, departing Tue., Nov. 4 from Seattle to Koh Samui, returning Mon., Nov. 10, priced at CA $1,690 found 9 hours ago

Mon., Nov. 3 - Sun., Nov. 9

SEA

Seattle

USM

Koh Samui

CA $1,773 Roundtrip, found 4 days ago

CA $1,773

Roundtrip

found 4 days ago

Select Turkish Airlines flight, departing Mon., Nov. 3 from Seattle to Koh Samui, returning Sun., Nov. 9, priced at CA $1,773 found 4 days ago

Tue., Nov. 4 - Mon., Nov. 10

SEA

Seattle

USM

Koh Samui

CA $2,328 Roundtrip, found 9 hours ago

CA $2,328

Roundtrip

found 9 hours ago

Select Emirates flight, departing Tue., Nov. 4 from Seattle to Koh Samui, returning Mon., Nov. 10, priced at CA $2,328 found 9 hours ago