Cheap flights from San Francisco to Ontario
Choose between WN, Frontier Airlines, or United Airlines to find the best price
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Cheapest one-way trip
£24
Cheapest nonstop round-trip
£47
Cheapest round-trip
£47
Average round-trip
£82
Most popular airline
WN
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586 km
DistanceDuration
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Travelers usually depart from San Francisco International, San Francisco, CA Bus Stop, San Francisco, CA - Salesforce Plaza, San Francisco, CA - Fisherman’s Wharf, or San Francisco, CA Train Station when they travel from San Francisco to Ontario. Book your trip to arrive at Ontario International, Montclair (Ontario), Ontario Bus Stop, or Ontario, CA station. The distance between San Francisco and Ontario is 586 km. The most popular airlines for this route are WN, Frontier Airlines, United Airlines, Alaska Airlines, and Delta Air Lines. San Francisco and Ontario have 145 direct flights per week.
Weekly flights
| Mondays | Tuesdays | Wednesdays | Thursdays | Fridays | Saturdays | Sundays | |
|---|---|---|---|---|---|---|---|
| Number of flights | 27 | 27 | 30 | 15 | - | 31 | 15 |
Fly direct with
Frontier Airlines on Thursdays, and Sundays.
United Airlines on Mondays, Tuesdays, Wednesdays, Thursdays, Fridays, Saturdays, and Sundays.
Check-in for a flight from San Francisco to Ontario
| Name | Carrier code | IATA Code | Passport needed during booking | Airport check-in closes | Online check-in available |
|---|---|---|---|---|---|
| WN | SWA | WN | No | Unknown | No |
| Frontier Airlines | FFT | F9 | No | Unknown | No |
| United Airlines | UAL | UA | Yes | Unknown | No |
| Alaska Airlines | ASA | AS | Yes | Unknown | No |
| Delta Air Lines | DAL | DL | Yes | Unknown | No |
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 Frontier Airlines, United Airlines.
What are the most popular routes to and from San Francisco?
Travelers frequently search for route combinations, such as San Francisco and McCarran International, Los Angeles International, Denver International, Phoenix Sky Harbor International, Louis Armstrong New Orleans International, Nashville International, Charlotte Douglas International, San Antonio International, Indianapolis International, Ontario International, Hollywood Burbank.
What are the most popular routes to and from Ontario?
Travelers frequently search for route combinations, such as Ontario and McCarran International, Miami International, Denver International, Phoenix Sky Harbor International, San Francisco International, Tampa International, San Diego International, Seattle–Tacoma International, Sacramento International, San Jose International, Oakland International.
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, Charles M. Schulz–Sonoma County, Monterey Regional, 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, Long Beach, 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?
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.
Explore alternative destinations
Flights from San Francisco
- Flights from San Francisco to McCarran International
- Flights from San Francisco to Los Angeles International
- Flights from San Francisco to Denver International
- Flights from San Francisco to Phoenix Sky Harbor International
- Flights from San Francisco to Louis Armstrong New Orleans International
- Flights from San Francisco to Nashville International
- Flights from San Francisco to Charlotte Douglas International
- Flights from San Francisco to San Antonio International
- Flights from San Francisco to Indianapolis International
- Flights from San Francisco to Ontario International
- Flights from San Francisco to Hollywood Burbank
Flights to Ontario
- Flights from McCarran International to Ontario
- Flights from Miami International to Ontario
- Flights from Denver International to Ontario
- Flights from Phoenix Sky Harbor International to Ontario
- Flights from San Francisco International to Ontario
- Flights from Tampa International to Ontario
- Flights from San Diego International to Ontario
- Flights from Seattle–Tacoma International to Ontario
- Flights from Sacramento International to Ontario
- Flights from San Jose International to Ontario
- Flights from Oakland International to Ontario
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