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 1.6 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 London, Dublin, Manchester, New Delhi, Las Vegas, Glasgow, Athens, Los Angeles, Atlanta, Sydney, Paris, Chicago, Hyderabad, Tahiti, New York, Washington, D.C., Toronto, Denver, Bengaluru, Minneapolis.

Question 5

What are the most popular routes to and from Ontario?

Accepted Answer

Travelers frequently search for route combinations, such as Ontario and London, New York, Bangkok, Denver, Sacramento, Taipei, Manila, Toronto, Calgary, Seattle, Las Vegas, San Jose, Orlando, Houston, Macau, Los Angeles, Washington, D.C., Manchester, Detroit, Guadalajara.

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, Oakland International, San Jose International, Charles M. Schulz–Sonoma County, Stockton Metropolitan, Monterey Regional, Merced Regional, Buchanan Field.

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, Long Beach, Santa Barbara Municipal, Imperial County, Meadows Field.

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, Alaska Airlines, United Airlines, Spirit 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, Oakland International, San Jose International, Charles M. Schulz–Sonoma County, Stockton Metropolitan, Monterey Regional, Merced Regional, Buchanan Field

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, Long Beach, Santa Barbara Municipal, Imperial County, Meadows Field.

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	£23
Cheapest round-trip	£42
Average round-trip	£60
Nonstop flights in April	£18 – £167
Most popular airline	Frontier Airlines

Airline	Mon 15.04	Tue 16.04	Wed 17.04	Thu 18.04	Fri 19.04	Sat 20.04	Sun 21.04
United Airlines	4	4	2	2	2	2	2
Frontier Airlines	1	1	1	1	1	1	1

Airline	Mon 22.04	Tue 23.04	Wed 24.04	Thu 25.04	Fri 26.04	Sat 27.04	Sun 28.04
United Airlines	2	2	2	2	2	2	2
Frontier Airlines	1	1	1	1	1	1	1

Airline	Mon 29.04	Tue 30.04	Wed 01.05	Thu 02.05	Fri 03.05	Sat 04.05	Sun 05.05
United Airlines	2	2	2	2	2	2	2
Frontier Airlines	1	1	1	1	1	1	1

Airline	Mon 06.05	Tue 07.05	Wed 08.05	Thu 09.05	Fri 10.05	Sat 11.05	Sun 12.05
United Airlines	2	2	2	2	2	2	2
Frontier Airlines	1	1	1	1	1	1	1

Cheap flights from San Francisco, CA to Ontario, CA

Flights starting at £18. Choose between Frontier Airlines, Alaska Airlines, or United Airlines to find the best price.

Tips to know when travelling to Ontario

Cheapest one-way trip

Cheapest round-trip

Average round-trip

Nonstop flights in April

Most popular airline

Search by stops

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One-way trips

Round trips

Weekly direct flights

Weekly direct flights for Mon 15.04 - Sun 21.04

Weekly direct flights for Mon 22.04 - Sun 28.04

Weekly direct flights for Mon 29.04 - Sun 05.05

Weekly direct flights for Mon 06.05 - Sun 12.05

Check-in for a flight from San Francisco to Ontario

Ontario travel tips

Weather in Ontario

Average Weather

14 day forecast

Frequently asked questions

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Flights from San Francisco

Flights to Ontario

Popular routes

The nearest countries with flights to Ontario

Other destination countries from San Francisco

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Airports near Ontario

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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
Alaska Airlines	ASA	AS	No	Opens 24 days before flight Closes 1 hours before flight
United Airlines	UAL	UA	Yes	No
Spirit Airlines	NKS	NK	No	Opens 24 days before flight Closes 1 hours before flight

1) Sweets lovers of Ontario love My Delight Cupcakery	Try delicious sweets at My Delight Cupcakery at 1520 N Mountain Avenue in Ontario. All cupcakes are available in two options: mini for $2-3 and classic for $4-5. Make sure to try the Snickerdoodle (Madagascar vanilla cake); vegans will appreciate the Vegan Cookies n Cream.
2) Go karting at a modern venue in Ontario	Head to the K1 Speed in Ontario to experience karting both for beginners and professionals. You'll ride the track in a state-of-the-art kart in a modern venue, for a totally high-performance experience. Races start at just $20, a great value for money for such emotions!
3) Rent a car to get around Ontario	If you rent a car, you can see much more in Ontario. All beautiful nature places are located out of the city. You can rent a car at or around the airport, they do not have any extra charge for location. Note it is better to rent a big car (like a SUV) because of the hill areas.

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	13°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