This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $222 fare is the cheapest current round-trip from San Diego (SAN) to MEM on Southwest flight WN2019, departing 2026-10-16 at 15:30 with return on 2026-10-18.

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