Las Vegas (LAS) to Bozeman (BZN): 701 miles (1,129 km) great-circle, about 1h 55m nonstop by our estimate. Cheapest fare observed: $221 round-trip on Allegiant Air, nonstop, departing May 14, 2026.
$221 round-trip, Allegiant Air G45, departing 2026-05-14 at 06:30, returning 2026-05-15. The recorded itinerary left on a Thursday, returning on a Friday 1 night later; the fare was observed 19 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $221, it ranked 11th of the 30 round-trip fares we recorded from LAS (median $271). That is 31.5 cents per great-circle mile (round-trip price over one-way distance), above the LAS median of 20.1 cents across 30 round-trip routes.
Routes from LAS of similar length: Portland (763 mi) at $148 and Seattle (867 mi) at $188.
LAS to BZN is the only one of 30 LAS routes where Allegiant Air priced cheapest. It is the 24th longest of the 30 routes we track from LAS.
Travelpayouts fares (cheapest per route, observed April 25, 2026); OurAirports coordinates and elevations; IANA zones America/Los_Angeles, America/Denver; flight time is our estimate.