Minneapolis (MSP) to Boston (BOS): 1,121 miles (1,804 km) great-circle, about 2h 45m nonstop by our estimate. Cheapest fare observed: $301 round-trip on Southwest, with 1 stop, departing May 15, 2026.
$301 round-trip, Southwest WN3470, departing 2026-05-15 at 17:20, returning 2026-05-19. The recorded itinerary left on a Friday, returning on a Tuesday 4 nights later; the fare was observed 20 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $301, it ranked 16th of the 30 round-trip fares we recorded from MSP (median $275). That is 26.9 cents per great-circle mile (round-trip price over one-way distance), above the MSP median of 19.3 cents across 30 round-trip routes.
Routes from MSP of similar length: Portland, Maine (1,133 mi) at $335 and Houston (1,059 mi) at $182.
Southwest had the cheapest fare on 5 of 30 MSP routes. It is the 21st longest of the 30 routes we track from MSP.
Of 22 departure airports with a fare to Boston, Minneapolis (MSP) ranked 14th at $301. Lowest: $101 from Fort Lauderdale (FLL); highest: $1271 from Nairobi (NBO); 5 nonstop. Cheapest-fare airlines (routes): American Airlines (6), Frontier (5), Spirit (4), Southwest (3), Avianca (1) and Brussels Airlines (1), plus 2 more.
Travelpayouts fares (cheapest per route, observed April 25, 2026); OurAirports coordinates and elevations; IANA zones America/Chicago, America/New_York; flight time is our estimate.