Flights from San Francisco to Ontario

Aviasales.ge will find you the cheapest airfare for San Francisco – Ontario by comparing the ticket prices to Ontario using 45 agencies, five booking systems, and 728 airlines. Where exactly you buy your tickets for San Francisco – Ontario is up to you.

Direct flight for from San Francisco to Ontario

The easiest way to to get to your destination is a direct flight. Direct flights for from San Francisco to Ontario are offered by:

• United Airlines (daily UA5684)
• Frontier Airlines (5 days per week, flight F92678)

Ontario is served by 1 airport: Ontario International Airport. Direct flights for San Francisco – Ontario are operated by:

• United Airlines, Frontier Airlines from San Francisco International Airport to Ontario International Airport

Flight with layover for the route from San Francisco to Ontario

A flight with a layover on the route San Francisco – Ontario will allow you to make your trip more interesting. The layover could be in:

• Las Vegas (flight WN3403 Southwest Airlines)

This is a great chance to get to know these cities. Layovers are usually at least six hours.

Aviasales.ge suggests buying tickets for San Francisco – Ontario in advance in order to choose the conditions for your flight that best suit your preferences and budget.