Deal found on October 24, 2026
Denver to San Diego
$66$22070% off
Round trip
Nonstop fares from Denver to San Diego have fallen to just $66 round trip on Frontier, a massive 74% discount off the roughly $257 this route typically costs. San Diego's mild weather and beaches work year round, making this an easy pick for a quick coastal escape under $100 nonstop, just a few dollars above the all-time low of $38 we have tracked on this route.
Travel dates
Dates in November
e.g. Nov 14 – Nov 23 · 9 nights
Date options
4 at this price
Lowest we've seen
$38
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