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Cheap Flights from Seattle to Koh Samui (SEA-USM)
Prices were available within the past 7 days and start at $549 for one-way flights and $968 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.
Tue, Feb 4 - Tue, Feb 18
SEA
Seattle
USM
Ko Samui
$968 Roundtrip, found 2 days ago
$968
Roundtrip
found 2 days ago
Mon, Sep 2 - Mon, Sep 30
SEA
Seattle
USM
Ko Samui
$968 Roundtrip, found 3 days ago
$968
Roundtrip
found 3 days ago
Sun, Sep 15 - Mon, Sep 30
SEA
Seattle
USM
Ko Samui
$1,008 Roundtrip, found 1 day ago
$1,008
Roundtrip
found 1 day ago
Thu, Oct 24 - Mon, Nov 11
SEA
Seattle
USM
Ko Samui
$1,046 Roundtrip, found 2 days ago
$1,046
Roundtrip
found 2 days ago
Sun, Oct 27 - Mon, Nov 11
SEA
Seattle
USM
Ko Samui
$1,057 Roundtrip, found 2 days ago
$1,057
Roundtrip
found 2 days ago
Mon, Oct 28 - Thu, Nov 7
SEA
Seattle
USM
Ko Samui
$1,116 Roundtrip, found 2 days ago
$1,116
Roundtrip
found 2 days ago
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