This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $429 fare is the cheapest current round-trip from Seattle (SEA) to HNL on Alaska Airlines flight AS237, departing 2026-09-04 at 16:08 with return on 2026-09-07.

Clicking "Book this flight" opens Kiwi.com with this exact flight pre-filtered — same airline, same dates, same passenger count.