This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $351 fare is the cheapest current round-trip from San Francisco (SFO) to SAL on Avianca flight AV553, departing 2026-07-16 at 07:45 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.