Question 1

How long does it take to travel from San Francisco to Ontario?

Accepted Answer

A one-way nonstop (direct) flight between San Francisco and Ontario takes around 1.5 hours.

Question 2

What is the flight distance between San Francisco and Ontario?

Accepted Answer

The flight distance between San Francisco and Ontario is 586 km.

Question 3

What airlines offer nonstop (direct) flights between San Francisco and Ontario?

Accepted Answer

Several carriers operate flights between San Francisco and Ontario. Airlines offering nonstop (direct) flights include United Airlines, Frontier Airlines.

Question 4

What are the most popular routes to and from San Francisco?

Accepted Answer

Travelers frequently search for route combinations, such as San Francisco and Las Vegas, Paris, Barcelona, Denver, Washington, D.C., Mexico City, Chicago, Guadalajara, London, Atlanta, Rome, Austin, Lisbon, Madrid, New York, Dublin, Amsterdam, New Orleans, Berlin, Athens.

Question 5

What are the most popular routes to and from Ontario?

Accepted Answer

Travelers frequently search for route combinations, such as Ontario and Denver, Orlando, Austin, Atlanta, Sacramento, Seattle, Washington, D.C., San Jose, San Antonio, Raleigh, Phoenix, Charlotte, Portland, Detroit, Philadelphia, Las Vegas, Oakland, Nashville, Chicago, Fort Lauderdale.

Question 6

What airports are near San Francisco?

Accepted Answer

The main airport in San Francisco is San Francisco International. It is also served by San Francisco International, Sacramento International, San Jose International, Oakland International, Charles M. Schulz–Sonoma County, Monterey Regional, Stockton Metropolitan, Merced Regional.

Question 7

What airports are near Ontario?

Accepted Answer

The main airport in Ontario is Ontario International. It is also served by Tijuana International, San Diego International, Ontario International, John Wayne, Hollywood Burbank, Palm Springs International, Santa Barbara Municipal, Long Beach, Meadows Field, Imperial County.

Question 8

Is it possible to combine flights, buses, and trains in one itinerary when traveling between San Francisco and Ontario?

Accepted Answer

Yes, it's possible to combine different modes of transport between San Francisco and Ontario thanks to our Virtual Interlining technology. Making use of not only flights but also trains and buses between San Francisco and Ontario can give rise to new adventures. Read more about how Virtual Interlining works on Kiwi.com Stories.

Question 9

What is Virtual Interlining and how do I use it?

Accepted Answer

Virtual Interlining provides a revolutionary way of traveling. You can combine different modes of transport like flights, trains, and buses into one itinerary. And this often saves money. Thanks to the world's largest carrier database, the Kiwi.com search function enables anyone to mix and match different modes of transport easily.

Question 10

Which airlines fly between San Francisco and Ontario?

Accepted Answer

Currently, you can fly between San Francisco and Ontario with Frontier Airlines, United Airlines.

Question 11

When's the best time to travel between San Francisco and Ontario?

Accepted Answer

If you don’t have specific dates for your trip between San Francisco and Ontario, 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.

Question 12

What flights operate between San Francisco and Ontario?

Accepted Answer

Traveling between San Francisco and Ontario, you can choose between direct (nonstop) flights or flights with one or more stops. You can select the number of stops on your journey, including an overnight stopover, and the duration of the stopover. What's more, you can also select where you want to have your stopover. Want to say "Hi" to a friend in another city en route to your destination? Or fancy a quick round of shopping? Go Multi-City or Nomad and add places to your search that you wish to visit.

Question 13

How many airports are there near San Francisco?

Accepted Answer

There are a number of airports in and around San Francisco. The main one is San Francisco International and other nearby airports include San Francisco International, Sacramento International, San Jose International, Oakland International, Charles M. Schulz–Sonoma County, Monterey Regional, Stockton Metropolitan, Merced Regional

Question 14

How many airports are there near Ontario?

Accepted Answer

There are a number of airports in and around Ontario. The main one is Ontario International and other nearby airports include Tijuana International, San Diego International, Ontario International, John Wayne, Hollywood Burbank, Palm Springs International, Santa Barbara Municipal, Long Beach, Meadows Field, Imperial County.

Question 15

What time do nonstop (direct) flights between San Francisco and Ontario depart?

Accepted Answer

This depends on the airline's flight schedule. You can easily select your preferred departure time when you search on our website or mobile app. Choose the time of day you wish to depart from San Francisco, such as morning, afternoon, evening, or night, or select the exact hours for departure.

Question 16

What time do nonstop (direct) flights between San Francisco and Ontario arrive?

Accepted Answer

This depends on the airline's flight schedule. You can easily select your preferred arrival time when you search on our website or mobile app. Choose the time of day you wish to arrive at Ontario, such as morning, afternoon, evening, or night, or select the exact hours for arrival.

Question 17

What time do flights between San Francisco and Ontario depart?

Accepted Answer

This depends on the airline's flight schedule. You can easily select your preferred departure time when you search on our website or mobile app. Choose the time of day you wish to depart from San Francisco, such as morning, afternoon, evening, or night, or select the exact hours for departure.

Question 18

What time do flights between San Francisco and Ontario arrive?

Accepted Answer

This depends on the airline's flight schedule. You can easily select your preferred arrival time when you search on our website or mobile app. Choose the time of day you wish to arrive at Ontario, such as morning, afternoon, evening, or night, or select the exact hours for arrival.

Cheapest one-way trip	$28
Cheapest nonstop round-trip	$28
Cheapest round-trip	$52
Average round-trip	$274
Nonstop flights in June	$28 – $347

Airline	Sun 02.06	Mon 03.06	Tue 04.06	Wed 05.06	Thu 06.06	Fri 07.06	Sat 08.06
United Airlines	1	2	2	2	2	2	2
Frontier Airlines	1	1	1	1	1	1	---

Airline	Sun 09.06	Mon 10.06	Tue 11.06	Wed 12.06	Thu 13.06	Fri 14.06	Sat 15.06
United Airlines	1	2	2	2	2	2	2
Frontier Airlines	1	1	1	1	1	1	1

Airline	Sun 16.06	Mon 17.06	Tue 18.06	Wed 19.06	Thu 20.06	Fri 21.06	Sat 22.06
United Airlines	1	2	2	2	2	2	2
Frontier Airlines	1	1	1	1	1	1	1

Airline	Sun 23.06	Mon 24.06	Tue 25.06	Wed 26.06	Thu 27.06	Fri 28.06	Sat 29.06
United Airlines	1	2	2	2	2	2	2
Frontier Airlines	1	1	1	1	1	1	1

Cheap flights from San Francisco, CA to Ontario, CA

Tips to know when travelling to Ontario

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Weekly direct flights for Sun 02.06 - Sat 08.06

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Weekly direct flights for Sun 23.06 - Sat 29.06

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Company

Platform

Features

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Name	Carrier code	IATA Code	Passport needed during booking	Online check-in available
Frontier Airlines	FFT	F9	No	Opens 24 days before flight Closes 1 hours before flight
United Airlines	UAL	UA	Yes	No

Month	Average monthly max temperature	Average monthly min temperature
January	18°C	7°C
February	18°C	7°C
March	20°C	8°C
April	23°C	10°C
May	25°C	12°C
June	29°C	16°C
July	33°C	19°C
August	33°C	20°C
September	32°C	18°C
October	27°C	15°C
November	22°C	10°C
December	17°C	7°C