Cheap flights from Ontario to San Francisco from $57

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Direct
Mon, Jul 28
Ontario ONTSan Francisco SFO

Direct
Fri, Aug 1
Ontario ONTSan Francisco SFO

Direct
Tue, Jul 29
Ontario ONTSan Francisco SFO

Direct
Tue, Jul 29
Ontario ONTSan Francisco SFO

Direct
Tue, Jul 29
Ontario ONTSan Francisco SFO

Direct
Sun, Jul 27
Ontario ONTSan Francisco SFO

$102
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Prices updated:

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Direct
Fri, Aug 1 – Mon, Aug 4
Ontario ONTSan Francisco SFO

$119
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Direct
Mon, Jul 28 – Fri, Aug 1
Ontario ONTSan Francisco SFO

$128
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Direct
Tue, Jul 29 – Fri, Aug 1
Ontario ONTSan Francisco SFO

$186
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Direct
Mon, Jul 28 – Wed, Jul 30
Ontario ONTSan Francisco SFO

$188
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Direct
Mon, Jul 28 – Wed, Jul 30
Ontario ONTSan Francisco SFO

$188
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Direct
Mon, Jul 28 – Wed, Jul 30
Ontario ONTSan Francisco SFO

$188
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Prices updated:

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Key info about flying to San Francisco

Depart from
Ontario International
Arrive to
San Francisco International
Average flights per week
56
Flight distance
586 km
Worth visiting
Big Sur - Golden Gate Bridge - 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 chart.

AirlineSun 06.07Mon 07.07Tue 08.07Wed 09.07Thu 10.07Fri 11.07Sat 12.07
3333333
11---------1---
Weekly flights: 24 totalDaily flights: 3.43 averageMost flights: Sunday 3 flights
AirlineSun 13.07Mon 14.07Tue 15.07Wed 16.07Thu 17.07Fri 18.07Sat 19.07
3333333
11---------1---
Weekly flights: 24 totalDaily flights: 3.43 averageMost flights: Sunday 3 flights
AirlineSun 20.07Mon 21.07Tue 22.07Wed 23.07Thu 24.07Fri 25.07Sat 26.07
3333333
11---------1---
Weekly flights: 24 totalDaily flights: 3.43 averageMost flights: Sunday 3 flights
AirlineSun 27.07Mon 28.07Tue 29.07Wed 30.07Thu 31.07Fri 01.08Sat 02.08
3333333
11---------1---
Weekly flights: 24 totalDaily flights: 3.43 averageMost flights: Sunday 3 flights

Check-in for a flight from Ontario to San Francisco

NameCarrier codeIATA CodePassport needed during booking
United AirlinesUALUANo
Frontier AirlinesFFTF9No
Hawaiian AirlinesHALHANo
Alaska AirlinesASAASNo

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
May18°C10°C
June20°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
333
days per year

14 day forecast

Friday
11 Jul
15°C11°C
18 Jul
17°C13°C
Saturday
12 Jul
15°C12°C
19 Jul
18°C13°C
Sunday
13 Jul
14°C12°C
20 Jul
20°C13°C
Monday
14 Jul
14°C11°C
21 Jul
17°C13°C
Tuesday
15 Jul
89%
19°C13°C
22 Jul
17°C14°C
Wednesday
16 Jul
87%
17°C13°C
23 Jul
18°C14°C
Thursday
17 Jul
17°C13°C
24 Jul
18°C14°C
The distance between Ontario and San Francisco is 586 km. The most popular airlines for this route are United Airlines, Frontier Airlines, Hawaiian Airlines, and Alaska Airlines. Ontario and San Francisco have 56 direct flights per week. When you arrive at San Francisco, consider visiting Big Sur, Golden Gate Bridge, and Alcatraz.

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?
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What airports are near Ontario?
What airports are near San Francisco?
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

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Popular routes

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