SFO ONT direct | 01/26/24 | ![]() | ![]() | $39 | Check |
SFO ONT direct | 01/28/24 | ![]() | ![]() | $41 | Check |
SFO ONT direct | 01/26/24 | ![]() | ![]() | $42 | Check |
SFO ONT direct | 10/25/23 | ![]() | ![]() | $56 | Check |
SFO ONT | 10/25/23 | ![]() | ![]() | $62 | Check |
SFO ONT | 10/25/23 | ![]() | ![]() | $68 | Check |
SFO ONT direct | 02/08/24 | ![]() | ![]() | $75 | Check |
SFO ONT direct | 01/13/24 | ![]() | ![]() | $75 | Check |
SFO ONT direct | 01/29/24 | ![]() | ![]() | $80 | Check |
SFO ONT direct | 05/07/24 | ![]() | ![]() | $88 | Check |
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Booking tips
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Stops
Airline
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Flight type
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Outbound departure month
- September 2023
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Outbound weekday
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Return departure month
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Return weekday
- Monday
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Tips and tricks to help you find cheap flights from San Francisco to Ontario
Favorite airline: United Airlines
United Airlines is the most popular airline for flights from San Francisco to Ontario.

United Airlines
67 %

American Airlines
17 %

Frontier Airlines
17 %
Direct flights are cheaper
On this route, direct flights are $14.00 cheaper than flights with a stopover.
non stop flight
1 stop
01h 31min
05h 10min
$128
$142
The favorite connection is non-stop
80 % of travelers decide to book a direct flight on this route.
Route
bookings
Direct flights
01h 31min, from $128
80 %
1 stopover Phoenix - Sky Harbor International Airport
05h 10min, from $142
20 %
Flight information: San Francisco - Ontario
Cheapest outbound flight from | $38.96 |
---|---|
Roundtrip from | $116.92 |
Flight duration | min. 01:27 / max. 03:20 |
Return flight duration | min. 01:28/ max. 01:35 |
Distance | 585 km |
Flights per week | 48 |
Departure airport | San Francisco International Airport, CA (SFO) |
Arrival airport | Ontario-CA (ONT) |
Destination country | United States |
Alternative flight routes
Top Flight Routes
- Miami - New York from $26.93
- Chicago - San Francisco from $68.00
- Honolulu - Los Angeles from $200.50
- New York - Tampa from $102.32
- New York - Orlando from $92.97
- Las Vegas - New Orleans from $269.98
- New York - Buffalo from $123.59
- Honolulu - New York from $517.00
- Tampa - New Orleans from $173.36
- Detroit Metropolitan Area - Las Vegas from $68.00
- Hamburg - Belgrade from $88.00
- West Palm Beach - Washington DC from $227.27