Cheap flights from Ontario, CA to San Francisco, CA

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Tips to know when travelling to San Francisco

The distance between Ontario and San Francisco is 586 km. The most popular airlines for this route are Frontier Airlines, and United Airlines. Ontario and San Francisco have 40 direct flights per week. When you arrive at San Francisco, consider visiting Golden Gate Bridge, Big Sur, and Alcatraz.

Weekly direct flights

Discover the top airlines offering direct flights from Ontario to San Francisco in the next month. You’ll find the number of daily direct flights per airline in the table.

Weekly direct flights for Mon 10.06 - Sun 16.06

AirlineMon 10.06Tue 11.06Wed 12.06Thu 13.06Fri 14.06Sat 15.06Sun 16.06
2222221
111---1---1

Weekly direct flights for Mon 17.06 - Sun 23.06

AirlineMon 17.06Tue 18.06Wed 19.06Thu 20.06Fri 21.06Sat 22.06Sun 23.06
2222221
1111111

Weekly direct flights for Mon 24.06 - Sun 30.06

AirlineMon 24.06Tue 25.06Wed 26.06Thu 27.06Fri 28.06Sat 29.06Sun 30.06
2222222
1111111

Weekly direct flights for Mon 01.07 - Sun 07.07

AirlineMon 01.07Tue 02.07Wed 03.07Thu 04.07Fri 05.07Sat 06.07Sun 07.07
3332333
1111111

Check-in for a flight from Ontario to San Francisco

NameCarrier codeIATA CodePassport needed during bookingOnline check-in available
Frontier AirlinesFFTF9NoOpens 24 days before flight
Closes 1 hours before flight
United AirlinesUALUAYesNo

Weather in San Francisco

Average Weather

MonthAverage monthly max temperatureAverage monthly min temperature
January14°C7°C
February15°C8°C
March15°C8°C
April17°C9°C
May19°C10°C
June21°C12°C
July22°C13°C
August22°C14°C
September23°C14°C
October21°C13°C
November17°C10°C
December13°C8°C
Hottest Month
23°C
September
Coldest month
7°C
January
Sunny days
332
days per year

14 day forecast

Tuesday
11 Jun
19°C11°C
18 Jun
89%
16°C13°C
Wednesday
12 Jun
17°C11°C
19 Jun
16°C12°C
Thursday
13 Jun
16°C11°C
20 Jun
17°C12°C
Friday
14 Jun
17°C11°C
21 Jun
17°C12°C
Saturday
15 Jun
17°C11°C
22 Jun
17°C13°C
Sunday
16 Jun
17°C11°C
23 Jun
17°C11°C
Monday
17 Jun
17°C13°C
24 Jun
18°C12°C

Frequently asked questions

How long does it take to travel from Ontario to San Francisco?
What is the flight distance between Ontario and San Francisco?
What airlines offer nonstop (direct) flights between Ontario and San Francisco?
What are the most popular routes to and from Ontario?
What are the most popular routes to and from San Francisco?
What airports are near Ontario?
What airports are near San Francisco?
Is it possible to combine flights, buses, and trains in one itinerary when traveling between Ontario and San Francisco?
What is Virtual Interlining and how do I use it?
Which airlines fly between Ontario and San Francisco?
When's the best time to travel between Ontario and San Francisco?
What flights operate between Ontario and San Francisco?
How many airports are there near Ontario?
How many airports are there near San Francisco?
What time do nonstop (direct) flights between Ontario and San Francisco depart?
What time do nonstop (direct) flights between Ontario and San Francisco arrive?
What time do flights between Ontario and San Francisco depart?
What time do flights between Ontario and San Francisco arrive?

Explore alternative trips

Flights from Ontario

Flights to San Francisco

Popular routes

The nearest countries with flights to San Francisco

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Other destination countries from Ontario

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