Big news, Boise: Frontier Airlines is back at BOI! Starting May 15, you can hop on a nonstop flight straight to Denver—and to celebrate their return, Frontier is offering fares as low as $49*.
It’s the first time Frontier has flown out of Boise since 2021, and they’re coming back in a big way. With service three times a week (adjusting to twice a week in June), Frontier is making it easier than ever to explore the Mile High City or connect to dozens of destinations beyond.
“We’re thrilled to be back in Boise,” said Jennifer de la Cruz, senior director of corporate communications at Frontier Airlines. “We’re redefining ultra-low-cost travel, giving passengers more comfort, convenience, and affordability.”
Boise Airport Director Rebecca Hupp added, “It’s a great win for our community. Frontier’s return offers another affordable option for local travelers and businesses, with flight times that make connections simple.”
What’s New with Frontier
Frontier’s return isn’t just a comeback—it’s a whole new experience. Here’s what travelers can look forward to:
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UpFront Plus Seating – Extra legroom, more elbow space, and a guaranteed empty middle seat in the first two rows.
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Unlimited Companion Travel – Top-tier flyers can bring a different companion on every trip.
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First Class is Coming – Rolling out later this year, Frontier will offer First Class seating with added comfort at a great value.
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FRONTIER Miles Program – Earn miles faster, enjoy family pooling, and unlock perks starting at just 10,000 miles.
Flight Details
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Route: Boise (BOI) to Denver (DEN)
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Start Date: May 15, 2025
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Frequency: 3x per week (2x/week starting in June)
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Intro Fare: $49* one way
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Book by: May 21, 2025
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Travel Window: May 13 – August 18, 2025
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Blackout Dates: July 3 and July 6
Seats at this price are limited and available on select days. Tickets must be purchased at flyfrontier.com.
Why We Love This
Frontier isn’t just offering budget-friendly travel—they’re also focused on sustainability. With one of the youngest, most fuel-efficient fleets in the country, Frontier was named North America’s Environmental Sustainability Airline of the Year in 2024.
Whether you’re traveling for work, play, or to visit family, this return to BOI means more affordable adventures ahead. Don’t miss your chance to fly for less and explore more.
*Fares subject to availability. Terms and conditions apply. See Frontier’s website for full details.
