Cheapest one-way flights from Ontario to San Francisco in February from $109

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

One-Way flights

10 Feb Southwest Airlines
18 Feb Southwest Airlines
11 Feb Southwest Airlines
25 Feb Southwest Airlines
19 Feb Southwest Airlines
21 Feb Southwest Airlines
27 Feb Southwest Airlines
01 Feb Southwest Airlines
13 Feb Southwest Airlines
22 Feb Southwest Airlines

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

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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