Cheap flights from San Francisco to Ontario from $57

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Direct
Mon, Jul 28
San Francisco SFOOntario ONT

Direct
Tue, Jul 29
San Francisco SFOOntario ONT

Direct
Tue, Jul 29
San Francisco SFOOntario ONT

Direct
Wed, Jul 30
San Francisco SFOOntario ONT

Direct
Fri, Aug 1
San Francisco SFOOntario ONT

Direct
Wed, Jul 30
San Francisco SFOOntario ONT

$122
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Prices updated:

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Direct
Mon, Jul 28 – Fri, Aug 1
San Francisco SFOOntario ONT

$115
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Direct
Sat, Aug 2 – Tue, Aug 5
San Francisco SFOOntario ONT

$122
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Direct
Sat, Aug 2 – Tue, Aug 5
San Francisco SFOOntario ONT

$122
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Direct
Sat, Aug 2 – Tue, Aug 5
San Francisco SFOOntario ONT

$122
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Direct
Fri, Aug 1 – Mon, Aug 4
San Francisco SFOOntario ONT

$132
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Direct
Fri, Aug 1 – Sun, Aug 3
San Francisco SFOOntario ONT

$136
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Prices updated:

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How much do flights to Ontario cost?

Key info about flying to Ontario

Depart from
San Francisco International
Arrive to
Ontario International
Average flights per week
54
Flight distance
586 km
Worth visiting
Griffith Observatory

Weekly direct flights

Discover the top airlines offering direct flights from San Francisco to Ontario 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
3233333
11---------1---
Weekly flights: 23 totalDaily flights: 3.29 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
3323333
11---------1---
Weekly flights: 23 totalDaily flights: 3.29 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 San Francisco to Ontario

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

Weather in Ontario

Average Weather

MonthAverage monthly max temperatureAverage monthly min temperature
January18°C7°C
February18°C7°C
March19°C8°C
April23°C10°C
May25°C12°C
June29°C16°C
July33°C19°C
August33°C20°C
September32°C18°C
October27°C15°C
November22°C10°C
December17°C7°C
Hottest Month
33°C
August
Coldest month
7°C
February
Sunny days
340
days per year

14 day forecast

Friday
11 Jul
31°C20°C
18 Jul
33°C21°C
Saturday
12 Jul
32°C19°C
19 Jul
32°C22°C
Sunday
13 Jul
30°C19°C
20 Jul
35°C22°C
Monday
14 Jul
30°C20°C
21 Jul
33°C22°C
Tuesday
15 Jul
31°C18°C
22 Jul
32°C19°C
Wednesday
16 Jul
30°C17°C
23 Jul
32°C19°C
Thursday
17 Jul
31°C17°C
24 Jul
34°C19°C
The distance between San Francisco and Ontario is 586 km. The most popular airlines for this route are Frontier Airlines, United Airlines, Alaska Airlines, and Hawaiian Airlines. San Francisco and Ontario have 54 direct flights per week.

Frequently asked questions

How long does it take to travel from San Francisco to Ontario?
What is the flight distance between San Francisco and Ontario?
What airlines offer nonstop (direct) flights between San Francisco and Ontario?
What are the most popular routes to and from San Francisco?
What are the most popular routes to and from Ontario?
What airports are near San Francisco?
What airports are near Ontario?
Which airlines fly between San Francisco and Ontario?
When’s the best time to travel between San Francisco and Ontario?
What flights operate between San Francisco and Ontario?
How many airports are there near San Francisco?
How many airports are there near Ontario?
What time do nonstop (direct) flights between San Francisco and Ontario depart?
What time do nonstop (direct) flights between San Francisco and Ontario arrive?
What time do flights between San Francisco and Ontario depart?
What time do flights between San Francisco and Ontario arrive?

The nearest countries with flights to Ontario

Here is a list of countries people are flying from

Other destination countries from San Francisco

Here is a list of countries people are flying to

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