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 36 minutes.

Choose airline

Schedules

United Airlines

Non-stop with United Airlines

  • Total flight time: 1 hour and 36 minutes
  • San Francisco is a United Airlines hub.
  • 21 flights per week
  • Boeing 737MAX 9 Passenger
    Embraer 175 (Enhanced Winglets)
  • Business and first class available
SFO
Direct
ONT

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

Frontier Airlines

Non-stop with Frontier Airlines

  • Total flight time: 1 hour and 32 minutes
  • Low-cost airline
  • 9 flights per week
  • Airbus A320neo
SFO
Direct
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
Jun 15
Tue
Jun 16
Wed
Jun 17
Thu
Jun 18
Fri
Jun 19
Sat
Jun 20
Sun
Jun 21
WN110
WN4179
05:00
----
----
05:00
----
----
----
WN107
WN4179
----
----
----
----
05:00
----
----
WN4231
WN4179
----
----
----
----
----
05:00
----
WN4231
WN209
----
----
----
----
----
----
05:05
WN406
WN2298
----
06:00
06:00
----
----
----
----
WN739
WN2298
----
----
----
----
----
----
06:25
WN4249
WN3845
09:45
----
----
09:45
09:45
----
----
WN4249
WN3155
----
10:25
10:25
----
----
----
----
WN1288
WN1564
15:45
----
----
15:45
15:45
----
----
WN1044
WN1565
----
----
----
----
----
----
16:10
WN4308
WN1777
----
----
----
----
----
17:55
----
WN1860
WN977
----
----
----
----
----
----
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

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

Staying up-to-date with the airlines

At Airlineinformation.com you can learn all about the airlines operating around the world together with their destinations and where they operate. You will get a transparent overview of airlines with scheduled flights between any two destinations with non-stop or 1-stop flights regardless of price or availability.
Flight data on this page was last updated on 2026-06-02