Cheap flights from Ontario to San Francisco

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Travelers usually depart from Ontario International, Ontario Bus Stop, Ontario, CA station, or Montclair (Ontario) when they travel from Ontario to San Francisco. Book your trip to arrive at San Francisco International, San Francisco, CA Bus Stop, San Francisco, CA - Salesforce Plaza, San Francisco, CA Train Station, or San Francisco, CA - Fisherman’s Wharf. The distance between Ontario and San Francisco is 586 km. The most popular airlines for this route are United Airlines, Frontier Airlines, JetBlue Airways, Delta Air Lines, and Spirit Airlines. Ontario and San Francisco have 91 direct flights per week. When you arrive at San Francisco, consider visiting Golden Gate Bridge, Alcatraz, and Big Sur.

Weekly direct flights

MondaysTuesdaysWednesdaysThursdaysFridaysSaturdaysSundays
Direct flights4343-43
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 Ontario to San Francisco

NameCarrier codeIATA CodePassport needed during bookingOnline check-in available
United AirlinesUALUAYesNo
Frontier AirlinesFFTF9NoOpens 24 days before flight
Closes 1 hours before flight
JetBlue AirwaysJBUB6YesOpens 24 days before flight
Closes 2 hours before flight
Delta Air LinesDALDLYesOpens 24 days before flight
Closes 1 hours before flight
Spirit AirlinesNKSNKNoOpens 24 days before flight
Closes 1 hours before flight

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 1.6 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 Denver, Orlando, Austin, Las Vegas, Atlanta, Sacramento, Seattle, San Antonio, Guadalajara, Charlotte, New Orleans, Fort Lauderdale, Philadelphia, Washington, D.C., Oakland, San Jose, Detroit, Minneapolis, Chicago, Houston.
What are the most popular routes to and from San Francisco?
Travelers frequently search for route combinations, such as San Francisco and Las Vegas, Denver, Washington, D.C., Atlanta, Chicago, Austin, London, Paris, New York, Barcelona, Rome, Orlando, Mexico City, New Orleans, Amsterdam, Charlotte, Cincinnati, Houston, Dallas, Lisbon.
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 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.
Is it possible to combine flights, buses, and trains in one itinerary when traveling between Ontario and San Francisco?
Yes, it's possible to combine different modes of transport between Ontario and San Francisco thanks to our Virtual Interlining technology. Making use of not only flights but also trains and buses between Ontario and San Francisco 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?
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.
Which airlines fly between Ontario and San Francisco?
When's the best time to travel between Ontario and San Francisco?
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 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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