This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $243 fare is the cheapest current round-trip from Seattle (SEA) to PHL on United Airlines flight UA1482, departing 2026-08-01 at 10:29 with return on 2026-08-10.

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