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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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?
What is the flight distance between San Francisco and Ontario?
What airlines offer nonstop (direct) flights between San Francisco and Ontario?
What are the most popular routes to and from San Francisco?
What are the most popular routes to and from Ontario?
What airports are near San Francisco?
What airports are near Ontario?
What buses and trains depart from San Francisco?
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.
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