Seattle to Kauai Hawaii $363 RT Nonstop on Delta or Alaska Airlines (Travel Aug-Oct)

Both Delta and Alaska Airlines have round trip airfares travelling from Seattle (SEA) to Kauai Hawaii (LIH) for $363, nonstop.
Travel Availability:
Departs SEA: Aug 23, 28-30; Sept 3-6, 10-13, 17, 19-20, 26-27; Oct 1, 8, 29
Returns: Aug 30; Sept 6, 10, 13, 17, 20; 24, 27; Oct 1, 4, 8, 11, 15, 18; Nov 1, 5, 8
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