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Outbound flight: 07/29/21
10:29 SFO
11:59 ONT
San Francisco International Airport, CA
Ontario-CA
direct
Frontier Airlines
$75
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Outbound flight: 06/20/21
10:29 SFO
11:59 ONT
San Francisco International Airport, CA
Ontario-CA
direct
Frontier Airlines
$78
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Outbound flight: 10/19/21
12:50 SFO
18:24 ONT
San Francisco International Airport, CA
Ontario-CA
1 Stopover
Alaska Airlines
$110
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Outbound flight: 09/19/21
08:30 SFO
09:48 ONT
San Francisco International Airport, CA
Ontario-CA
direct
United Airlines
Return flight: 10/03/21
09:30 ONT
11:15 SFO
Ontario-CA
San Francisco International Airport, CA
direct
United Airlines
$110
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Outbound flight: 11/17/21
10:30 SFO
18:24 ONT
San Francisco International Airport, CA
Ontario-CA
1 Stopover
Alaska Airlines
$111
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Outbound flight: 08/25/21
12:30 SFO
18:19 ONT
San Francisco International Airport, CA
Ontario-CA
1 Stopover
American Airlines
$112
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Outbound flight: 10/06/21
12:30 SFO
18:19 ONT
San Francisco International Airport, CA
Ontario-CA
1 Stopover
American Airlines
$112
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Outbound flight: 10/06/21
12:30 SFO
18:19 ONT
San Francisco International Airport, CA
Ontario-CA
1 Stopover
American Airlines
$112
Check
Outbound flight: 09/09/21
06:00 SFO
11:14 ONT
San Francisco International Airport, CA
Ontario-CA
1 Stopover
American Airlines
$112
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Outbound flight: 09/24/21
12:30 SFO
18:19 ONT
San Francisco International Airport, CA
Ontario-CA
1 Stopover
American Airlines
$112
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Prices based on recent searches, subject to last-minute changes
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Tips and tricks to help you find cheap flights from San Francisco to Ontario

Favorite airline: United Airlines
101 % of flights booked on the route from San Francisco to Ontario are booked with United Airlines, American Airlines and Frontier Airlines.
United Airlines
67 %
American Airlines
17 %
Frontier Airlines
17 %
Direct flights are cheaper
Flights with a stopover are on average $14.00 more expensive than direct flights.
non stop flight
1 stop
01h 31min
05h 10min
$128
$142
The favorite connection is non-stop
80 % of all bookings on the route San Francisco to Ontario are for non-stop flights.
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
Alternative flight routes
Cheap direct flights
Flight details San Francisco - Ontario
  • Flight duration: min. 01:27 / max. 03:20
  • Distance: 585 km
  • Flights per week: 48
  • Return flight duration: min. 01:28 / max. 01:35
Top Flight Routes
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* Prices may vary, please check the travel details given by the online travel agency before booking. Prices include taxes.