Cheapest one-way flights from San Francisco to Ontario in June from $562

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

One-Way flights

03 Jun Delta

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

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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