This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $146 fare is the cheapest current round-trip from Minneapolis (MSP) to BWI on Southwest flight WN3466, departing 2026-05-27 at 10:05 with return on 2026-06-06.

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