Deal found on November 4, 2026
Los Angeles to San Francisco
$38$11667% off
Round trip
Frontier is flying LAX to San Francisco for $38, usually $68, tying the cheapest fare we've ever tracked on this route. There are 11 different date combinations from December through February, and at under 90 minutes in the air, it's an easy weekend add-on to catch the city's winter food and arts scene.
Travel dates
Dates in December
e.g. Dec 5 – Dec 14 · 9 nights
Date options
11 at this price
Lowest we've seen
$38
Search these dates on Google FlightsSee San Francisco price historySan Francisco guide: weather, costs & things to do
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