Deal found on August 28, 2026
San Diego to Denver
$66$23672% off
Round trip
Nonstop San Diego to Denver is $66 round trip right now versus the usual $257 on this route, a 74% discount on Frontier. It's a single confirmed date so flexibility is limited, but with the Rockies in full fall color this is an easy excuse for a quick mountain getaway.
Travel dates
Dates in September
e.g. Sep 21 – Sep 30 · 9 nights
Date options
7 at this price
Lowest we've seen
$38
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