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 15 minutes.

Choose airline

Schedules

Southwest Airlines

Non-stop with Southwest Airlines

  • Total flight time: 4 hours and 15 minutes
  • Low-cost airline
  • Chicago is a Southwest Airlines focus city (Operating base).
  • 9 flights per week
  • Boeing 737MAX 8 Passenger
MDW
Direct
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
MDW
 
Via PHX
 
ONT
 
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WN759
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WN781
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09:10
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WN4189
WN670
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10:00
WN2984
WN670
10:10
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10:10
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WN1594
WN149
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11:45
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WN1705
WN149
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WN2984
WN149
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12:20
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WN711
WN3206
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13:10
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WN3206
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WN1750
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WN2863
WN3313
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18:55
18:55
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WN2863
WN1750
20:35
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20:35
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
MDW
 
Via DEN
 
ONT
 
Flight
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Jun 15
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WN2989
WN1660
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05:25
05:25
WN2765
WN4080
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WN2765
WN1450
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WN1866
WN4080
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WN1102
WN3627
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09:00
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WN4450
WN2949
13:10
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13:10
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WN1893
WN2949
13:15
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13:15
13:15
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WN2142
WN2949
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13:45
WN2768
WN1564
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WN2766
WN189
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14:45
14:45
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WN2769
WN2949
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WN4450
WN1663
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WN1893
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WN2769
WN1663
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WN1663
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WN481
WN1663
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WN2675
WN1663
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18:00
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WN1497
WN1663
18:00
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18:00
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
MDW
 
Via LAS
 
ONT
 
Flight
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Jun 15
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WN519
WN209
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WN1182
WN2298
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WN347
WN2298
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WN2794
WN2298
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WN2104
WN3155
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WN5081
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WN296
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WN3845
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WN714
WN5081
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WN1771
WN3845
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WN3155
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WN3155
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WN3845
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WN3845
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WN1321
WN3155
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WN2795
WN2015
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WN977
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WN2301
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WN2844
WN2301
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WN2844
WN2135
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18:25
18:25
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WN2701
WN2301
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18:40
18:40
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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
MDW
 
Via DAL
 
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