This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $1043 fare is the cheapest current round-trip from San Diego (SAN) to LON on Alaska Airlines flight AS396, departing 2026-07-18 at 10:03 with return on 2026-07-24.

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