This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $340 fare is the cheapest current round-trip from Lisbon (LIS) to PDL on S4 flight S41133, departing 2026-09-14 at 13:55 with return on 2026-09-21.

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