This list was updated and refreshed on December 02, 2022 @ 12:05 PM Central Time. (Most of the best deals have expired and been removed. This is the last update to this post.)
Alaska Airlines, Frontier, Southwest, United, and Delta have domestic flights on sale with a price range between $58-$198. Flight dates are mostly between January to March.
Frontier sale has been added 11/29, those fares have additional fees, and are marked on this list as “Bare Economy”.
Click for more details and booking links Updated Holiday Sale: Denver to/from USA Domestic (New York, Austin, Oregon, Los Angeles, Boston, Las Vegas, Seattle, +more) $58-$198 r/t [January-March] – Alaska Airlines / Delta / Southwest / United / Frontier