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Southwest Expands Montana Connectivity
Southwest Airlines is extending its seasonal network by introducing nonstop flights between Phoenix Sky Harbor International Airport (PHX) and Bozeman Yellowstone International Airport (BZN).
The service is scheduled to operate exclusively on Saturdays from June 3 to August 2, 2027. This route is designed to streamline travel for Arizona residents visiting Yellowstone National Park, Big Sky, and other southwest Montana destinations.
The Phoenix addition is part of a broader summer expansion at Bozeman. Southwest is also implementing Saturday service to Austin, Texas, and resuming seasonal flights to San Diego, California, which will operate on Mondays, Thursdays, Fridays, and Sundays.
Strategic Access to Yellowstone National Park
Bozeman serves as a primary aviation hub for visitors entering Yellowstone from the north and west. While the nonstop flight eliminates the need for connections, travelers must account for the final leg of the journey via road.
According to National Park Service data, the distance from Bozeman to Gardiner (North Entrance) is approximately 84 miles. The trip to West Yellowstone (West Entrance) is roughly 90 miles.
Travelers choosing the West Entrance typically gain faster access to Old Faithful and Madison Junction, while the Gardiner route is preferred for those visiting Mammoth Hot Springs.
Tourism Trends and Market Demand
The expansion comes as Yellowstone remains a massive draw for domestic tourism. In 2025, the National Park Service recorded 4,762,988 recreation visits.
Recent data released on October 6, 2026, indicates that between January and September 2026, the park saw 4,360,300 visits. While this was a 1% decrease compared to the same period in 2025, September 2026 showed a recovery with 868,450 visits, a 3% increase over September 2025.
Competitive Landscape in the PHX-BZN Corridor
Southwest's entry into the 2027 summer schedule adds competition to a route that has seen various seasonal offerings. In December 2025, it was announced that American Airlines would operate daily seasonal flights between Phoenix and Bozeman from June 4 to September 8, 2026, utilizing Embraer E175 aircraft.
Because Southwest has operated this route in previous years, the 2027 service represents a return to the market rather than a new city pair. This provides Arizona travelers with more carrier options, though the Saturday-only frequency requires precise itinerary planning.
Summer 2027 Southwest Bozeman Schedule
| Route | Frequency | Operating Days | Period |
|---|---|---|---|
| Phoenix (PHX) $\rightarrow$ Bozeman (BZN) | Seasonal | Saturdays | June 3 – Aug 2, 2027 |
| Austin $\rightarrow$ Bozeman (BZN) | Seasonal | Saturdays | June 3 – Aug 2, 2027 |
| San Diego $\rightarrow$ Bozeman (BZN) | Seasonal | Mon, Thu, Fri, Sun | June 3 – Aug 2, 2027 |
Key Takeaways
- Direct Access: Nonstop flights between PHX and BZN run Saturdays from June 3 to August 2, 2027.
- Regional Hub: Bozeman is the primary gateway for Yellowstone's North and West entrances.
- Tourism Volume: Yellowstone remains a high-demand destination, with over 4.7 million visits in 2025.
- Network Growth: Southwest is simultaneously adding/returning service to Austin and San Diego for the same period.
FAQ
When do the Phoenix to Bozeman flights start? The service runs from June 3, 2027, through August 2, 2027.
How often will the flights operate? Flights between Phoenix and Bozeman are scheduled only on Saturdays.
How far is Bozeman airport from Yellowstone National Park? It is approximately 84 miles to the North Entrance (Gardiner) and 90 miles to the West Entrance (West Yellowstone).
