Cheapest one-way flights from Ontario to San Francisco in January from 86€

AirHint found the following cheapest one-way flights from Ontario (ONT) to San Francisco (SFO) in January 2026 (see full year).

One-Way flights

13 Jan United direct
14 Jan United direct
20 Jan United direct
06 Jan United direct
07 Jan United direct
21 Jan United direct
27 Jan United direct
28 Jan United direct
11 Jan United direct
12 Jan United direct

Also check the deals for return flights from Ontario to San Francisco in January.

Skyscanner

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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