This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $628 fare is the cheapest current round-trip from Detroit (DTW) to SAN on American Airlines flight AA1790, departing 2026-07-15 at 17:57 with return on 2026-07-21.

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