Deal found on October 7, 2026
Los Angeles to Denver
$87$34074% off
Round trip
Frontier is flying Ontario to Denver nonstop for just $87, a massive 74% discount off the usual $340 fare and one of the best domestic deals we've tracked in weeks. Dates are open across the winter season, ideal for a quick ski trip or city break in the Rockies.
Travel dates
February into March
e.g. Feb 22 – Mar 3 · 9 nights
Date options
4 at this price
Lowest we've seen
$46
Get deals like this from Los Angeles
Free email alerts when we find a fare worth booking. No spam.