This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $242 fare is the cheapest current round-trip from Portland (PDX) to BOS on Southwest flight WN4867, departing 2026-09-05 at 07:35 with return on 2026-09-15.

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