Cheap flights from San Francisco to Ontario

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Ontario travel tips

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.

Travelers usually depart from San Francisco International, San Francisco, CA Bus Stop, San Francisco, CA Train Station, San Francisco, CA - Salesforce Plaza, or San Francisco, CA - Fisherman’s Wharf when they travel from San Francisco to Ontario. Book your trip to arrive at Ontario International, Ontario Bus Stop, Montclair (Ontario), or Ontario, CA station. The distance between San Francisco and Ontario is 586 km. The most popular airlines for this route are United Airlines, Frontier Airlines, American Airlines, Delta Air Lines, and Alaska Airlines. San Francisco and Ontario have 183 direct flights per week.

Weekly direct flights

MondaysTuesdaysWednesdaysThursdaysFridaysSaturdaysSundays
Direct flights5454-54
Fly direct with

Frontier Airlines on Mondays, Wednesdays, Fridays, and Saturdays.

United Airlines on Mondays, Tuesdays, Wednesdays, Thursdays, Fridays, Saturdays, and Sundays.

Check-in for a flight from San Francisco to Ontario

NameCarrier codeIATA CodePassport needed during bookingOnline check-in available
United AirlinesUALUAYesNo
Frontier AirlinesFFTF9NoOpens 24 days before flight
Closes 1 hours before flight
American AirlinesAALAAYesNo
Delta Air LinesDALDLYesOpens 24 days before flight
Closes 1 hours before flight
Alaska AirlinesASAASYesOpens 24 days before flight
Closes 1 hours before flight

Frequently asked questions

How long does it take to travel from San Francisco to Ontario?
A one-way nonstop (direct) flight between San Francisco and Ontario takes around 1.4 hours.
What is the flight distance between San Francisco and Ontario?
The flight distance between San Francisco and Ontario is 586 km.
What airlines offer nonstop (direct) flights between San Francisco and Ontario?
Several carriers operate flights between San Francisco and Ontario. Airlines offering nonstop (direct) flights include United Airlines, Frontier Airlines.
What are the most popular routes to and from San Francisco?
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.
What are the most popular routes to and from Ontario?
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.
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, Charles M. Schulz–Sonoma County, Monterey Regional, Stockton Metropolitan, Merced Regional, Buchanan Field.
What airports are near Ontario?
The main airport in Ontario is Ontario International. It is also served by Los Angeles International, San Diego International, Tijuana International, Ontario International, John Wayne, Hollywood Burbank, Palm Springs International, Meadows Field, Santa Barbara Municipal, Imperial County.
What buses and trains depart from San Francisco?
A number of bus and train companies depart from San Francisco, including Greyhound.
Is it possible to combine flights, buses, and trains in one itinerary when traveling between San Francisco and Ontario?
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.
What is Virtual Interlining and how do I use it?
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?
Is it possible to reach San Francisco by bus or train?
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?

Planning a trip? Thanks to our Virtual Interlining algorithm, we offer billions of route combinations between any A and any B in the world by plane, train, and bus. Find the cheapest routes and best deals for you, as well as the best dates on which to travel.

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