This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $155 fare is the cheapest current round-trip from Salt Lake City (SLC) to SEA on Alaska Airlines flight AS3344, departing 2026-09-18 at 07:00 with return on 2026-09-21.

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