This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $279 fare is the cheapest current round-trip from Seattle (SEA) to PHX on Alaska Airlines flight AS604, departing 2026-05-22 at 19:06 with return on 2026-05-26.

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