Deal found on July 23, 2026
Phoenix to Denver
$98$20251% off
Round trip
Frontier is flying Phoenix to Denver nonstop for just $98 round trip, usually around $256, a 62% discount. Availability is open over the next several months, making this an easy, low-cost way to reach the Rockies for a quick mountain trip or to connect onward through one of the West's busiest hubs.
Travel dates
Aug 13 to Aug 22
Date options
7 at this price
Lowest we've seen
$51
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