Deal found on October 3, 2026
Chicago to San Francisco
$250$33225% off
Round trip
Frontier is pricing Chicago to San Francisco at $250 with one stop, 52% off what this route typically costs. It's showing on a single date for now, but San Francisco's food, parks, and mild climate make it one of the most popular West Coast trips out of Chicago in any season.
Travel dates
October into November
e.g. Oct 28 – Nov 6 · 9 nights
Date options
3 at this price
Lowest we've seen
$160
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