Deal found on October 17, 2026
San Diego to Denver
$113$23652% off
Round trip
Frontier is flying San Diego to Denver nonstop for $113 right now, well under the usual $255 this route runs. Ski season is ramping up in the Rockies, so it is an easy way to reach the mountains without a layover. At this price it works just as well for a quick weekend trip as a longer stay.
Travel dates
December into January
e.g. Dec 29 – Jan 7 · 9 nights
Date options
11 at this price
Lowest we've seen
$38
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