Cheap flights from Ontario to San Francisco from $55

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Direct
Thu, Nov 27
Ontario ONTSan Francisco SFO
$55
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Direct
Thu, Nov 27
Ontario ONTSan Francisco SFO
$55
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Direct
Thu, Nov 27
Ontario ONTSan Francisco SFO
$55
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Direct
Thu, Nov 27
Ontario ONTSan Francisco SFO
$55
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Direct
Tue, Nov 25
Ontario ONTSan Francisco SFO
$94
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Direct
Fri, Nov 28
Ontario ONTSan Francisco SFO
$125
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Direct
Sun, Nov 23 – Thu, Nov 27
Ontario ONTSan Francisco SFO
$108
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Direct
Sun, Nov 23 – Thu, Nov 27
Ontario ONTSan Francisco SFO
$108
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Direct
Sun, Nov 23 – Thu, Nov 27
Ontario ONTSan Francisco SFO
$108
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Direct
Sun, Nov 23 – Thu, Nov 27
Ontario ONTSan Francisco SFO
$108
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Direct
Sun, Nov 23 – Thu, Nov 27
Ontario ONTSan Francisco SFO
$108
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Direct
Mon, Nov 24 – Wed, Nov 26
Ontario ONTSan Francisco SFO
$144
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How much do flights to San Francisco cost?

Cheapest one-way trip

$55

Cheapest nonstop round-trip

$61

Cheapest round-trip

$108

Average round-trip

$174

Nonstop flights in November

$33 – $273

Key info about flying to San Francisco

Depart from
Ontario International
Arrive to
San Francisco International
Average flights per week
69
Flight distance
586 km
Worth visiting
Alcatraz - Golden Gate Bridge - Big Sur

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 02.11Mon 03.11Tue 04.11Wed 05.11Thu 06.11Fri 07.11Sat 08.11
United Airlines
3333332
Frontier Airlines
11------11---
Weekly flights: 24 totalDaily flights: 3.43 averageMost flights: Sunday 3 flights
AirlineSun 09.11Mon 10.11Tue 11.11Wed 12.11Thu 13.11Fri 14.11Sat 15.11
United Airlines
3333332
Frontier Airlines
11------11---
Weekly flights: 24 totalDaily flights: 3.43 averageMost flights: Sunday 3 flights
AirlineSun 16.11Mon 17.11Tue 18.11Wed 19.11Thu 20.11Fri 21.11Sat 22.11
United Airlines
3333332
Frontier Airlines
11------111
Weekly flights: 25 totalDaily flights: 3.57 averageMost flights: Sunday 3 flights
AirlineSun 23.11Mon 24.11Tue 25.11Wed 26.11Thu 27.11Fri 28.11Sat 29.11
United Airlines
3333232
Frontier Airlines
1111111
Weekly flights: 26 totalDaily flights: 3.71 averageMost flights: Sunday 3 flights

Check-in for a flight from Ontario to San Francisco

NameCarrier codeIATA CodePassport needed during booking
Frontier AirlinesFFTF9No
United AirlinesUALUANo
VolarisVOIY4No
Hawaiian AirlinesHALHANo
VivaAerobusVIVVBNo

Online check-in is not available for these airlines.

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
July21°C13°C
August22°C14°C
September22°C14°C
October21°C13°C
November17°C10°C
December13°C8°C
Hottest Month
22°C
September
Coldest month
7°C
January
Sunny days
333
days per year

14 day forecast

Friday
7 Nov
20°C11°C
14 Nov
81%
17°C14°C
Saturday
8 Nov
15°C11°C
15 Nov
16°C13°C
Sunday
9 Nov
24°C14°C
16 Nov
15°C13°C
Monday
10 Nov
21°C16°C
17 Nov
89%
13°C12°C
Tuesday
11 Nov
21°C17°C
18 Nov
85%
14°C12°C
Wednesday
12 Nov
86%
19°C15°C
19 Nov
80%
16°C12°C
Thursday
13 Nov
85%
18°C15°C
20 Nov
16°C13°C
The distance between Ontario and San Francisco is 586 km. The most popular airlines for this route are Frontier Airlines, United Airlines, Volaris, Hawaiian Airlines, and VivaAerobus. Ontario and San Francisco have 69 direct flights per week. When you arrive at San Francisco, consider visiting Alcatraz, Golden Gate Bridge, and Big Sur.

Frequently asked questions

How long does it take to travel from Ontario to San Francisco?
A one-way nonstop (direct) flight between Ontario and San Francisco takes around 1.4 hours.
What is the flight distance between Ontario and San Francisco?
The flight distance between Ontario and San Francisco is 586 km.
What airlines offer nonstop (direct) flights between Ontario and San Francisco?
Several carriers operate flights between Ontario and San Francisco. Airlines offering nonstop (direct) flights include Frontier Airlines, United Airlines.
What are the most popular routes to and from Ontario?
Travelers frequently search for route combinations, such as Ontario and Guadalajara, Dallas, Seattle, Las Vegas, Mexico City, Houston, Denver, Honolulu, Sacramento, Chicago, Portland, Washington, D.C., New York, Toronto, Orlando, Veracruz, Cancún, Atlanta, London, Manila.
What are the most popular routes to and from San Francisco?
Travelers frequently search for route combinations, such as San Francisco and New York, Los Angeles, Mexico City, London, San Diego, Calgary, Las Vegas, Chicago, Tokyo, Burbank, Seoul, Barcelona, Phoenix, Seattle, New Delhi, Portland, Boston, Vancouver, Denver, Paris.
What airports are near Ontario?
The main airport in Ontario is Ontario International. It is also served by Tijuana International, San Diego International, Ontario International, John Wayne, Palm Springs International, Hollywood Burbank, Santa Barbara Municipal, Imperial County, Long Beach, McClellan–Palomar.
What airports are near San Francisco?
The main airport in San Francisco is San Francisco International. It is also served by San Francisco International, Sacramento International, Oakland International, San Jose International, Stockton Metropolitan, Monterey Regional, Charles M. Schulz–Sonoma County, Merced Regional.
Which airlines fly between Ontario and San Francisco?
Currently, you can fly between Ontario and San Francisco with Frontier Airlines, United Airlines, Volaris, Hawaiian Airlines, VivaAerobus.
When’s the best time to travel between Ontario and San Francisco?
If you don’t have specific dates for your trip between Ontario and San Francisco, you can enter a date range into the departure and return fields. Most carriers on the Kiwi.com website allow you to search and book up to six months from the day of your search. Order the search results by the best, cheapest, or fastest route, or find the cheapest outbound and return combination in the pricing table.
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?

Planning a trip? Thanks to our Virtual Interlining algorithm, we offer billions of route combinations between any origin and destination in the world by plane. Find the cheapest routes and best deals, as well as the best dates to travel.

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