This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $212 fare is the cheapest current round-trip from Boston (BOS) to WAS on United Airlines flight UA1734, departing 2026-07-17 at 05:45 with return on 2026-07-21.

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