Alaska Airlines and Hawaiian have FIRST CLASS (Lie-flat seat) round-trip flights from Seattle (SEA) to Honolulu, Maui, Kona, or Lihue, Hawaii (HNL, OGG, KOA, LIH) for $568-$599, NONSTOP. Flights August to October. No Weekend departures.
Warning: Not all “First Class” cabins have lie-flat seats. Avoid flight HA699 outbound and HA670 inbound.
Fly on Hawaiian Airlines craft, not Alaska Airlines if you want a cabin with lie-flat seats.
These flights to/from HNL have lie-flat seats: HA21, HA27, HA633 / HA22, HA28, HA634, HA50
For HNL, Hawaiian only has lie-flat seats in their Airbus A330, so avoid other airframes. Other destinations may have different configurations.
Click for more details and booking links First Class Nonstop Flights: Seattle to Honolulu, Maui, Kona, or Lihue, Hawaii $568-$599 r/t [August-October] – Alaska Airlines / Hawaiian