This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $738 fare is the cheapest current round-trip from Boston (BOS) to TIA on Swiss flight LX55, departing 2026-08-10 at 17:10 with return on 2026-08-24.

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