Airlines with flights from San Francisco to Ontario

There are three airlines with scheduled flights between SFO and ONT. Both United and Frontier operates non-stop flights from SFO Airport to Ontario International Airport and the flight time is 1 hour and 34 minutes.

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Schedules

United Airlines

Non-stop with United Airlines

  • Total flight time: 1 hour and 34 minutes
  • San Francisco is a United Airlines hub.
  • 21 flights per week
  • Boeing 737MAX 9 Passenger
    Embraer 175 (Enhanced Winglets)
    Canadair (Bombardier) Regional Jet 700 and Challenger 870
  • Business and first class available
SFO
Direct
ONT
 
Flight
Mon
Jul 27
Tue
Jul 28
Wed
Jul 29
Thu
Jul 30
Fri
Jul 31
Sat
Aug 1
Sun
Aug 2
UA2661
10:40
10:40
10:40
10:40
10:40
10:40
10:40
UA5471
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13:50
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13:50
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UA5613
16:17
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16:17
16:17
16:17
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16:10
UA552
21:00
21:00
21:00
21:00
21:00
16:55
22:50
SHOW RETURN SCHEDULE
CHECK PRICES FOR SFO - ONT

The timetable & schedule information was updated at 2026-04-21

Frontier Airlines

Non-stop with Frontier Airlines

  • Total flight time: 1 hour and 29 minutes
  • Low-cost airline
  • 7 flights per week
  • Airbus A320neo
SFO
Direct
ONT
 
Flight
Mon
Jul 27
Tue
Jul 28
Wed
Jul 29
Thu
Jul 30
Fri
Jul 31
Sat
Aug 1
Sun
Aug 2
F92678
09:33
11:15
11:15
09:33
09:33
09:33
09:33
SHOW RETURN SCHEDULE
CHECK PRICES FOR SFO - ONT

The timetable & schedule information was updated at 2026-04-21

Southwest Airlines

Via Las Vegas with Southwest Airlines

  • Total flight time: 3h 30m - 7h 15m.
  • Low-cost airline
  • 100 flights per week
SFO
 
Via LAS
 
ONT
 
Flight
Mon
Jul 27
Tue
Jul 28
Wed
Jul 29
Thu
Jul 30
Fri
Jul 31
Sat
Aug 1
Sun
Aug 2
WN110
WN4179
05:00
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05:00
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WN107
WN4179
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----
----
----
05:00
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WN4231
WN4179
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----
----
----
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05:00
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WN4231
WN209
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----
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05:05
WN406
WN2298
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06:00
06:00
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WN739
WN2298
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----
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06:25
WN4249
WN3845
09:45
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09:45
09:45
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WN4249
WN3155
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10:25
10:25
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WN1288
WN1564
15:45
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15:45
15:45
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WN1044
WN1565
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16:10
WN4308
WN1777
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17:55
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WN1860
WN977
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----
----
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18:50
SHOW RETURN SCHEDULE
CHECK PRICES FOR SFO - ONT

The timetable & schedule information was updated at 2026-04-21

Frontier Airlines

Via Las Vegas with Frontier Airlines

  • Total flight time: 3h 45m - 5h 54m.
  • Low-cost airline
  • 35 flights per week
  • Airbus A320neo
SFO
 
Via LAS
 
ONT
 
Flight
Mon
Jul 27
Tue
Jul 28
Wed
Jul 29
Thu
Jul 30
Fri
Jul 31
Sat
Aug 1
Sun
Aug 2
F91850
F91357
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----
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11:24
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F94158
F91357
11:24
11:24
11:24
11:24
11:24
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11:24
F91850
F92231
15:11
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15:11
15:11
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15:11
F94158
F92231
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----
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----
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15:11
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SHOW RETURN SCHEDULE
CHECK PRICES FOR SFO - ONT

The timetable & schedule information was updated at 2026-04-21

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Flight data on this page was last updated on 2026-07-13
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