This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $589 fare is the cheapest current round-trip from Phoenix (PHX) to GEG on Alaska Airlines flight AS3096, departing 2026-07-17 at 16:56 with return on 2026-07-19.

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