This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $542 fare is the cheapest current round-trip from Los Cabos (SJD) to SFO on Alaska Airlines flight AS547, departing 2026-05-11 at 10:41 with return on 2026-05-18.

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