This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $1228 fare is the cheapest current round-trip from San José (SJO) to LON on Air France flight AF431, departing 2026-06-27 at 19:05 with return on 2026-07-29.

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