Outbound | Return | Airlines | Shop | Baggage | Price | ||
---|---|---|---|---|---|---|---|
Best option Ontario San Francisco | Outbound 04/26/25 direct UA5429 01h 44min | Return 05/23/25 direct UA0794 01h 35min | | ![]() | ? | $287 | |
Ontario San Francisco | Outbound 04/26/25 direct UA4662 01h 43min | Return 05/23/25 direct UA0794 01h 35min | | ![]() | ? | $302 | |
Ontario San Francisco | Outbound 04/26/25 direct UA5429 01h 44min | Return 05/23/25 direct UA0794 01h 35min | | ![]() | ? | $313 |
Stops
- Direct flight
Airline
- United Airlines
Flight type
- Return
Outbound departure month
- April 2025
Outbound weekday
- Saturday
Return departure month
- May 2025
Return weekday
- Friday
Tips and tricks to help you find cheap flights from Ontario to San Francisco
Favorite airline: Frontier Airlines
The favorite airline for flights from Ontario to San Francisco is Frontier Airlines.

Frontier Airlines
90 %

United Airlines
10 %
Cheapest weekday: Tuesday
Compared to other weekdays, flights are cheapest on Tuesday.
Important flight information
Flight information: Ontario - San Francisco
Roundtrip from | 286,33 $ |
---|---|
Flight duration | min. 01:28 / max. 01:35 |
Return flight duration | min. 01:27/ max. 03:20 |
Distance | 585 km |
Flights per week | 42 |
Departure airport | Airport Ontario-CA (ONT) |
Arrival airport | Airport San Francisco International Airport, CA (SFO) |
Destination country | Flights to United States |
Alternative routes to United States
- Flight Ontario - Miami from 612 $
- Flight Ontario - Las Vegas from 376 $
- Flight Ontario - Phoenix - Sky Harbor from 240 $
- Flight Ontario - Dallas from 219 $
- Flight Ontario - Atlanta from 580 $
- Flight Ontario - New York from 521 $
Alternative flights to San Francisco
- Flight Las Vegas - San Francisco from 116 $
- Flight New York - San Francisco from 249 $
- Flight Los Angeles - San Francisco from 108 $
- Flight New York - San Francisco from 249 $
- Flight Seattle-Tacoma - San Francisco from 209 $
- Flight Honolulu - San Francisco from 392 $
- Flight San Diego - San Francisco from 220 $
- Flight Washington-DC - San Francisco from 167 $
- Flight Boston - San Francisco from 320 $
- Flight Chicago - San Francisco from 133 $
Flight destinations with a similar price
- Flight San Francisco - Tehran from 963 $
- Flight San Francisco - Nuremberg from 849 $
- Flight San Francisco - Bremen from 1.006 $
- Flight San Francisco - Paris from 689 $
- Flight San Francisco - Delhi from 694 $
- Flight San Francisco - Milan from 607 $
- Flight San Francisco - Puebla from 724 $
- Flight San Francisco - Leon-Bajio from 401 $
- Flight San Francisco - Luzon Clark from 828 $
- Flight San Francisco - Karachi from 936 $