Deal found on August 11, 2026
Los Angeles to San Francisco
$104$22053% off
Round trip
San Francisco usually runs about $299 round trip from Ontario, and this nonstop Frontier fare drops it to just $104, a 65% discount. Dates look limited on this one, so it suits travelers who can be flexible this fall. SF's cable cars, bay views, and food scene make it one of the easiest weekend trips out of SoCal.
Travel dates
Dates in September
e.g. Sep 2 – Sep 11 · 9 nights
Date options
4 at this price
Lowest we've seen
$46
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