Published on: June 10, 2026, at 10:13 AM.

Updated on: June 10, 2026, at 10:13 AM.

• Frontier Airlines is introducing fresh routes from Las Vegas to Oakland and Boise, resuming service for the two city pairs that were previously serviced by Spirit prior to its shutdown in May 2026.
• Flight offerings remain below Spirit’s previous schedule, as Frontier plans 11 weekly flights to Oakland and four to Boise, compared to Spirit’s 25 and seven flights respectively.
• Following Spirit’s exit, passengers on multiple former Spirit routes are experiencing increased average fares, limited departure options, and diminished competition in the market.

Frontier Airlines is strategically stepping in to meet the demand left by the dissolution of Spirit Airlines. On Tuesday, the Denver-based ultra-low-cost airline announced the launch of two new routes from Las Vegas: Oakland and Boise.

Service on the Las Vegas–Oakland route is set to begin on August 20, 2026, marking Frontier’s return to Oakland International Airport after leaving the market in 2023. The airline intends to operate 11 flights each week.

The second route, Las Vegas–Boise, will commence on September 10, 2026, featuring four flights weekly. Boise was a moderately sized market for Spirit prior to its cessation of operations.

“Our focus is sharply set on transforming consumer expectations regarding low-cost travel — from our extensive network to the premium enhancements we provide — and we are excited to offer affordable flight options on these new routes,” stated Josh Flyr, Frontier’s VP of network and operations design, in a press release about this development.

Continuing to Catch Up

The newly announced Las Vegas routes constitute two of the 16 that Spirit discontinued when it ceased operations on May 2, 2026. Spirit’s departure resulted in a significant reduction of thousands of weekly seats and approximately 70 daily flights, making it the largest single-day loss of capacity in the modern era of Harry Reid International Airport.

While no city in the U.S. has completely lost its direct flights to Las Vegas, the number of available daily flights—particularly in the budget sector—has dropped considerably. Spirit had provided 25 weekly flights to Oakland from Las Vegas and seven to Boise. Frontier’s new service only returns 11 and four, respectively, resulting in both locations having fewer low-cost seats than previously available.

Southwest Airlines, already the leading carrier at LAS, has increased flight frequencies on several West Coast routes, including Oakland, as part of its expansion following Spirit’s exit. However, Southwest has yet to introduce new services to Boise, positioning Frontier as the sole airline restoring Spirit’s ultra-low-cost competition on that route.

As Spirit exits the scene, travelers across several former Spirit routes are facing higher average ticket prices, fewer departure options, and decreased market competition—a trend that airlines are acknowledging as they adjust their capacities for the upcoming 2026-27 travel seasons.