Which airlines fly from Ontario to San Francisco?

This route is served by 1 airlines: Frontier Airlines.

Are there direct flights from Ontario to San Francisco?

Yes, there are direct flights on this route. Check the calendar above — prices for direct flights are highlighted.

Cheap flights Ontario — San Francisco | Prices from 43 $

Q: How long is the flight from Ontario to San Francisco?

Approximate flight time — 1 h 12 min. This is an average for a direct flight. With connections, the time may be longer.

Q: What is the distance from Ontario to San Francisco?

The straight-line distance — 597 km. This is the "as-the-crow-flies" distance; the actual route may be longer.

Q: How much do flights from Ontario to San Francisco cost?

The minimum price over 6 months — from 43 $ on 13.11.2026. Prices depend on the season, day of the week and how far in advance you book.

Q: What is the time difference between Ontario and San Francisco?

The time difference — +0 h. Keep this in mind when planning your flight and connections.

Q: When is the best time to buy tickets Ontario — San Francisco?

Optimal — 1–3 months before departure. The cheapest days — Tuesday, Wednesday, Saturday. Check the calendar above — it shows the best dates.

San Francisco

San Francisco is a city of hills and fog, located on a peninsula at the bay, famous for its Golden Gate Bridge and iconic cable cars. Its bohemian neighborhoods, from Haight-Ashbury to Chinatown, create a unique atmosphere where Silicon Valley innovation meets old fishing piers. A stroll along the w...

More about San Francisco

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Route characteristics

Distance

597 km

Flight time

1 h 12 min

Time difference

+0 h

Minimum price

from 43 $ (13.11.2026)

Departure airports

1 pcs.

Arrival airports

1 pcs.

Airlines on the route

1 pcs.

Who flies this route 1 pcs.

Frontier Airlines

Low-cost 5 flights

Where to buy tickets 3 pcs.

Farera

3 tickets

Mytrip.com

1 ticket

Gotogate

1 ticket

Airports

From — Ontario

ONT Ontario International Airport

To — San Francisco

SFO San Francisco International Airport

Frequently asked questions about the route Ontario — San Francisco

How long is the flight from Ontario to San Francisco?

Approximate flight time — 1 h 12 min. This is an average for a direct flight. With connections, the time may be longer. You will see the exact time when searching for tickets.

What is the distance from Ontario to San Francisco?

The straight-line distance — 597 km. This is the "as-the-crow-flies" distance; the actual route may be longer.

How much do flights from Ontario to San Francisco cost?

The minimum price over 6 months — from 43 $ on 13.11.2026. Prices depend on the season, day of the week and how far in advance you book. Usually cheaper 1–3 months before departure.

What is the time difference?

The difference — +0 h. Keep this in mind when planning your flight and connections.

From which airports does Ontario operate flights?

From Ontario: ONT (Ontario International Airport). Choose the most convenient airport.

To which airports in San Francisco do flights arrive?

To San Francisco: SFO (San Francisco International Airport). Check which airport your flight arrives at.

Which airlines fly this route?

This route is served by 1 airline: Frontier Airlines.

When is the best time to buy tickets?

Optimal — 1–3 months before departure. The cheapest days — Tuesday, Wednesday, Saturday. Check the calendar above — it shows the best dates.

How do I book tickets?

Choose a date, passengers and click "Find tickets" — a search will open comparing prices from 800+ airlines. Booking is made directly with the airline or agency.

About the route Ontario — San Francisco

Flights Ontario — San Francisco is a popular route. The straight-line distance is 597 km. Flight time 1 h 12 min. Time difference +0 h.

From Ontario (ONT) flights depart from one airport. To San Francisco (SFO) — one arrival airport.

1 airline operate on this route: Frontier Airlines. Compare prices, baggage allowance and departure times.

The minimum price for the next 6 months — from 43 $ (13.11.2026). The cheapest dates are highlighted in the calendar above.

Other destinations from Ontario