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
Non-stop with Southwest Airlines
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Total flight time: 2 hours and 45 minutes
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Low-cost airline
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7 flights per week
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Boeing 737-800 (winglets) Passenger/BBJ2Boeing 737MAX 8 PassengerBoeing 737-700 Passenger (Scimitar Winglets)
ONT
Direct
AUS
W25, Jun 15 - Jun 21
Flight
Mon
Jun 15
Tue
Jun 16
Wed
Jun 17
Thu
Jun 18
Fri
Jun 19
Sat
Jun 20
Sun
Jun 21
WN2525
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09:55
09:55
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----
----
----
WN2202
----
----
----
----
----
10:30
----
WN2358
----
----
----
----
----
----
12:20
WN300
14:00
----
----
14:00
14:00
----
----
The timetable & schedule information was updated at 2026-04-21
Via Phoenix with American Airlines
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Total flight time: 4h 07m - 6h 19m.
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One World Alliance
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95 flights per week
ONT
Via PHX
AUS
W25, Jun 15 - Jun 21
Flight
Mon
Jun 15
Tue
Jun 16
Wed
Jun 17
Thu
Jun 18
Fri
Jun 19
Sat
Jun 20
Sun
Jun 21
AA1194
AA1394
AA1394
06:10
06:10
06:10
06:10
06:10
06:10
06:10
AA2244
AA2892
AA2892
13:10
13:10
13:10
13:10
13:10
13:10
13:10
The timetable & schedule information was updated at 2026-04-21
Via Phoenix with Southwest Airlines
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Total flight time: 4h 10m - 8h 25m.
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Low-cost airline
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136 flights per week
-
Boeing 737-800 (winglets) Passenger/BBJ2Boeing 737MAX 8 PassengerBoeing 737-700 Passenger (Scimitar Winglets)
ONT
Via PHX
AUS
W25, Jun 15 - Jun 21
Flight
Mon
Jun 15
Tue
Jun 16
Wed
Jun 17
Thu
Jun 18
Fri
Jun 19
Sat
Jun 20
Sun
Jun 21
WN864
WN4744
WN4744
05:15
05:15
05:15
05:15
05:15
----
05:15
WN4460
WN4744
WN4744
----
----
----
----
----
05:30
----
WN4421
WN5063
WN5063
08:00
----
----
08:00
08:00
----
----
WN1450
WN3125
WN3125
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13:30
13:30
----
----
----
----
WN4538
WN1558
WN1558
----
16:35
16:35
----
----
----
----
The timetable & schedule information was updated at 2026-04-21
Via Las Vegas with Southwest Airlines
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Total flight time: 4h 25m - 8h 55m.
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Low-cost airline
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107 flights per week
-
Boeing 737-800 (winglets) Passenger/BBJ2Boeing 737MAX 8 PassengerBoeing 737-700 Passenger (Scimitar Winglets)
ONT
Via LAS
AUS
W25, Jun 15 - Jun 21
Flight
Mon
Jun 15
Tue
Jun 16
Wed
Jun 17
Thu
Jun 18
Fri
Jun 19
Sat
Jun 20
Sun
Jun 21
WN3150
WN121
WN121
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05:30
05:30
----
----
----
----
WN3150
WN1864
WN1864
05:30
----
----
05:30
05:30
----
05:30
WN2333
WN1268
WN1268
----
----
----
----
----
----
09:45
WN3151
WN2183
WN2183
12:40
----
----
12:40
12:40
----
----
WN300
WN2184
WN2184
----
----
----
----
----
----
14:35
WN873
WN4047
WN4047
----
15:40
15:40
----
----
----
----
WN2213
WN3569
WN3569
----
----
----
----
----
----
16:35
WN2213
WN4074
WN4074
16:40
----
----
16:40
16:40
----
----
WN5082
WN2186
WN2186
----
----
----
----
----
----
19:00
The timetable & schedule information was updated at 2026-04-21
Via Dallas with American Airlines
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Total flight time: 4h 39m - 7h 16m.
-
One World Alliance
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120 flights per week
ONT
Via DFW
AUS
W25, Jun 15 - Jun 21
Flight
Mon
Jun 15
Tue
Jun 16
Wed
Jun 17
Thu
Jun 18
Fri
Jun 19
Sat
Jun 20
Sun
Jun 21
AA1412
AA4095
AA4095
05:44
----
05:44
05:44
05:44
05:44
05:44
AA1412
AA5210
AA5210
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05:44
----
----
----
----
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AA2893
AA1405
AA1405
07:00
07:00
07:00
07:00
07:00
07:00
07:00
AA2238
AA3402
AA3402
10:22
----
10:22
10:22
10:22
10:22
----
AA2238
AA972
AA972
----
10:22
10:22
----
----
----
----
AA2242
AA789
AA789
12:40
12:40
12:40
12:40
12:40
12:41
12:40
AA2239
AA2707
AA2707
14:18
14:18
14:18
14:18
14:18
14:18
14:18
AA991
AA3401
AA3401
23:59
23:59
23:59
23:59
23:59
23:59
23:59
The timetable & schedule information was updated at 2026-04-21

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.
Via Las Vegas with Frontier
Via Houston with United
Via Salt Lake City with Delta