This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $419 fare is the cheapest current round-trip from Vancouver (YVR) to SEA on Alaska Airlines flight AS2012, departing 2026-06-16 at 07:55 with return on 2026-06-18.

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