Airlines with flights from Chicago to Ontario

There are two airlines with scheduled flights between MDW and ONT. Southwest is the only airline with non-stop flights from Midway International Airport to Ontario International Airport and the flight time is 4 hours and 20 minutes.

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Schedules

Southwest Airlines

Non-stop with Southwest Airlines

  • Total flight time: 4 hours and 20 minutes
  • Low-cost airline
  • Chicago is a Southwest Airlines focus city (Operating base).
  • 7 flights per week
  • Boeing 737MAX 8 Passenger
    Boeing 737-700 Passenger (Scimitar Winglets)
MDW
Direct
ONT
 
Flight
Mon
Aug 3
Tue
Aug 4
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Aug 5
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Aug 6
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Aug 8
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Aug 9
WN2846
11:45
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WN2784
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17:25
17:25
14:00
14:00
18:00
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WN1347
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21:25
SHOW RETURN SCHEDULE
CHECK PRICES FOR MDW - ONT

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

Southwest Airlines

Via Phoenix with Southwest Airlines

  • Total flight time: 5h 30m - 9h 45m.
  • Low-cost airline
  • Chicago is a Southwest Airlines focus city (Operating base).
  • 180 flights per week
  • Boeing 737MAX 8 Passenger
    Boeing 737-700 Passenger (Scimitar Winglets)
MDW
 
Via PHX
 
ONT
 
Flight
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WN2858
WN759
05:20
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WN270
WN3236
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WN3236
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WN853
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WN3450
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07:10
WN2520
WN431
07:10
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WN447
WN982
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08:00
08:00
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WN2150
WN239
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09:05
09:05
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WN188
WN692
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09:25
09:25
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WN4935
WN4113
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10:00
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WN2984
WN670
10:10
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WN1683
WN4113
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10:40
WN4189
WN670
11:20
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WN4113
WN1634
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12:35
WN4249
WN4455
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12:40
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WN4249
WN3185
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13:55
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WN965
WN1516
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15:15
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WN2861
WN2862
16:35
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WN3904
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16:55
16:55
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WN268
WN3238
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17:15
WN454
WN1516
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17:20
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WN2992
WN3238
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17:35
WN324
WN4113
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18:15
18:15
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WN104
WN3238
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18:40
WN2862
WN1750
18:40
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WN2863
WN1750
20:35
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SHOW RETURN SCHEDULE
CHECK PRICES FOR MDW - ONT

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

Southwest Airlines

Via Denver with Southwest Airlines

  • Total flight time: 5h 30m - 9h 55m.
  • Low-cost airline
  • Chicago is a Southwest Airlines focus city (Operating base).
  • 135 flights per week
  • Boeing 737MAX 8 Passenger
    Boeing 737-700 Passenger (Scimitar Winglets)
MDW
 
Via DEN
 
ONT
 
Flight
Mon
Aug 3
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WN2989
WN1660
05:15
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WN2717
WN4794
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06:40
06:40
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06:30
WN2765
WN4080
06:45
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WN2717
WN3265
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06:50
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WN199
WN1596
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08:20
08:20
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WN2717
WN2050
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09:20
09:20
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WN400
WN1596
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09:30
WN271
WN1596
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10:05
10:05
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WN1652
WN3959
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10:15
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WN2718
WN2050
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10:20
10:20
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WN2719
WN1634
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12:25
WN4450
WN2949
13:10
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WN1893
WN2949
13:15
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WN2718
WN3775
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13:40
WN2721
WN4773
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14:05
14:05
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WN1271
WN4341
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14:15
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WN2768
WN1564
14:30
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WN267
WN1598
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14:40
WN2769
WN2949
16:15
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WN655
WN1598
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16:25
16:25
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WN2721
WN1598
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18:00
18:00
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16:45
WN163
WN1598
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17:00
17:00
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WN2721
WN4341
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17:05
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WN1497
WN1663
18:00
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SHOW RETURN SCHEDULE
CHECK PRICES FOR MDW - ONT

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

Southwest Airlines

Via Las Vegas with Southwest Airlines

  • Total flight time: 5h 35m - 10h 45m.
  • Low-cost airline
  • Chicago is a Southwest Airlines focus city (Operating base).
  • 178 flights per week
  • Boeing 737MAX 8 Passenger
    Boeing 737-700 Passenger (Scimitar Winglets)
MDW
 
Via LAS
 
ONT
 
Flight
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Aug 3
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WN2740
WN159
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05:25
WN2723
WN261
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06:40
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WN2740
WN955
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06:50
06:50
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WN2741
WN955
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08:35
08:35
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06:55
WN347
WN2298
07:30
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WN4079
WN4923
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08:35
08:35
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WN2794
WN2298
09:10
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WN2104
WN3845
10:00
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WN4874
WN3609
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10:05
10:05
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WN3086
WN3609
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10:05
10:05
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WN1771
WN3845
10:10
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WN1685
WN4923
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10:10
10:10
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WN2741
WN3609
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10:10
10:10
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WN2783
WN4923
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10:15
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WN2668
WN4733
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10:15
WN1731
WN4733
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WN332
WN4733
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10:15
WN2099
WN3609
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10:15
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WN578
WN4923
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10:20
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WN2723
WN766
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WN4874
WN4733
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10:25
WN3086
WN4923
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10:30
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WN2742
WN3609
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11:10
11:10
16:05
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WN4233
WN4733
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WN351
WN2956
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12:20
WN2742
WN2239
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16:45
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WN3957
WN2239
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17:40
WN2844
WN2135
18:25
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SHOW RETURN SCHEDULE
CHECK PRICES FOR MDW - ONT

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

Southwest Airlines

Via Dallas with Southwest Airlines

  • Total flight time: 6h 05m - 10h 00m.
  • Low-cost airline
  • Chicago is a Southwest Airlines focus city (Operating base).
  • 31 flights per week
  • Boeing 737MAX 8 Passenger
    Boeing 737-700 Passenger (Scimitar Winglets)
MDW
 
Via DAL
 
ONT
 
Flight
Mon
Aug 3
Tue
Aug 4
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Aug 5
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Fri
Aug 7
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Aug 9
WN4025
WN2643
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06:05
WN199
WN2643
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07:15
WN199
WN1223
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08:20
08:20
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WN1321
WN1375
10:00
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WN856
WN1173
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10:05
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WN2707
WN1173
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10:15
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WN2709
WN36
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12:30
12:30
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WN1108
WN1107
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13:40
13:40
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SHOW RETURN SCHEDULE
CHECK PRICES FOR MDW - ONT

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

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