What is the cheapest flight from San Francisco right now?

The cheapest round trip from San Francisco right now is $38 to Los Angeles, Oct 17 → 20 (3 nights).

How often are San Francisco flight prices updated?

Prices are re-swept daily; every fare on this page was found within the last 24 hours.

Cheap flights from San Francisco (SFO) from $38

Fare calendar

September 2026

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October 2026

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November 2026

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December 2026

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February 2027

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best day · $38

$38 $54 $78+

Best deals

Price watch

+8 more below typical

Cheap flights from San Francisco (SFO) — 294 destinations, priced through Mar 2027