Airlines with flights from Ontario to Austin

There are five airlines with scheduled flights between ONT and AUS. Southwest is the only airline with non-stop flights from Ontario International Airport to Austin-Bergstrom International Airport and the flight time is 2 hours and 45 minutes.

Choose airline

Schedules

Southwest Airlines

Non-stop with Southwest Airlines

  • Total flight time: 2 hours and 45 minutes
  • Low-cost airline
  • 7 flights per week
  • Boeing 737-800 (winglets) Passenger/BBJ2
    Boeing 737MAX 8 Passenger
    Boeing 737-700 Passenger (Scimitar Winglets)
ONT
Direct
AUS

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

American Airlines

Via Phoenix with American Airlines

  • Total flight time: 4h 07m - 6h 19m.
  • One World Alliance
  • 95 flights per week
ONT
 
Via PHX
 
AUS

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

Southwest Airlines

Via Phoenix with Southwest Airlines

  • Total flight time: 4h 10m - 8h 25m.
  • Low-cost airline
  • 136 flights per week
  • Boeing 737-800 (winglets) Passenger/BBJ2
    Boeing 737MAX 8 Passenger
    Boeing 737-700 Passenger (Scimitar Winglets)
ONT
 
Via PHX
 
AUS
 
Flight
Mon
Jun 15
Tue
Jun 16
Wed
Jun 17
Thu
Jun 18
Fri
Jun 19
Sat
Jun 20
Sun
Jun 21
WN864
WN4744
05:15
05:15
05:15
05:15
05:15
----
05:15
WN4460
WN4744
----
----
----
----
----
05:30
----
WN4421
WN5063
08:00
----
----
08:00
08:00
----
----
WN1450
WN3125
----
13:30
13:30
----
----
----
----
WN4538
WN1558
----
16:35
16:35
----
----
----
----
SHOW RETURN SCHEDULE
CHECK PRICES FOR ONT - AUS

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

Southwest Airlines

Via Las Vegas with Southwest Airlines

  • Total flight time: 4h 25m - 8h 55m.
  • Low-cost airline
  • 107 flights per week
  • Boeing 737-800 (winglets) Passenger/BBJ2
    Boeing 737MAX 8 Passenger
    Boeing 737-700 Passenger (Scimitar Winglets)
ONT
 
Via LAS
 
AUS
 
Flight
Mon
Jun 15
Tue
Jun 16
Wed
Jun 17
Thu
Jun 18
Fri
Jun 19
Sat
Jun 20
Sun
Jun 21
WN3150
WN121
----
05:30
05:30
----
----
----
----
WN3150
WN1864
05:30
----
----
05:30
05:30
----
05:30
WN2333
WN1268
----
----
----
----
----
----
09:45
WN3151
WN2183
12:40
----
----
12:40
12:40
----
----
WN300
WN2184
----
----
----
----
----
----
14:35
WN873
WN4047
----
15:40
15:40
----
----
----
----
WN2213
WN3569
----
----
----
----
----
----
16:35
WN2213
WN4074
16:40
----
----
16:40
16:40
----
----
WN5082
WN2186
----
----
----
----
----
----
19:00
SHOW RETURN SCHEDULE
CHECK PRICES FOR ONT - AUS

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

American Airlines

Via Dallas with American Airlines

  • Total flight time: 4h 39m - 7h 16m.
  • One World Alliance
  • 120 flights per week
ONT
 
Via DFW
 
AUS
 
Flight
Mon
Jun 15
Tue
Jun 16
Wed
Jun 17
Thu
Jun 18
Fri
Jun 19
Sat
Jun 20
Sun
Jun 21
AA1412
AA4095
05:44
----
05:44
05:44
05:44
05:44
05:44
AA1412
AA5210
----
05:44
----
----
----
----
----
AA2893
AA1405
07:00
07:00
07:00
07:00
07:00
07:00
07:00
AA2238
AA3402
10:22
----
10:22
10:22
10:22
10:22
----
AA2238
AA972
----
10:22
10:22
----
----
----
----
AA2242
AA789
12:40
12:40
12:40
12:40
12:40
12:41
12:40
AA2239
AA2707
14:18
14:18
14:18
14:18
14:18
14:18
14:18
AA991
AA3401
23:59
23:59
23:59
23:59
23:59
23:59
23:59
SHOW RETURN SCHEDULE
CHECK PRICES FOR ONT - AUS

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 2026-05-25