Airlines with flights from Ontario to Portland

There are 6 airlines with scheduled flights between ONT and PDX. Alaska Airlines is the only airline with non-stop flights from Ontario International Airport to Portland International and the flight time is 2 hours and 17 minutes.

Choose airline

Schedules

Alaska Airlines

Non-stop with Alaska Airlines

  • Total flight time: 2 hours and 17 minutes
  • One World Alliance
  • Portland is a Alaska Airlines hub.
  • 23 flights per week
  • Boeing 737MAX 9 Passenger
    Boeing 737-800 (winglets) Passenger/BBJ2
    Boeing 737-900 (winglets) Passenger/BBJ3
    Embraer 175
  • Business and first class available
ONT
Direct
PDX

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

Southwest Airlines

Via Sacramento with Southwest Airlines

  • Total flight time: 3h 30m - 5h 50m.
  • Low-cost airline
  • 81 flights per week
ONT
 
Via SMF
 
PDX
 
Flight
Mon
Jun 22
Tue
Jun 23
Wed
Jun 24
Thu
Jun 25
Fri
Jun 26
Sat
Jun 27
Sun
Jun 28
WN3165
WN949
06:00
06:30
06:30
06:00
06:00
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WN3166
WN949
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08:00
WN2360
WN949
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08:05
08:05
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WN3167
WN422
12:00
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12:00
12:00
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WN670
WN3813
15:40
15:30
15:30
15:40
15:40
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WN3170
WN309
18:30
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----
18:30
18:30
18:15
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WN3170
WN432
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18:25
18:25
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WN3170
WN789
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18:40
SHOW RETURN SCHEDULE
CHECK PRICES FOR ONT - PDX

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

Southwest Airlines

Via Oakland with Southwest Airlines

  • Total flight time: 3h 35m - 5h 55m.
  • Low-cost airline
  • 57 flights per week
ONT
 
Via OAK
 
PDX

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

Southwest Airlines

Via San Jose with Southwest Airlines

  • Total flight time: 3h 40m - 6h 00m.
  • Low-cost airline
  • 43 flights per week
ONT
 
Via SJC
 
PDX
 
Flight
Mon
Jun 22
Tue
Jun 23
Wed
Jun 24
Thu
Jun 25
Fri
Jun 26
Sat
Jun 27
Sun
Jun 28
WN3162
WN1577
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09:20
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WN3845
WN2554
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16:35
WN3845
WN290
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16:55
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WN3845
WN384
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17:45
17:45
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WN3164
WN384
18:35
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18:35
18:35
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SHOW RETURN SCHEDULE
CHECK PRICES FOR ONT - PDX

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

United Airlines

Via San Francisco with United Airlines

  • Total flight time: 3h 54m - 6h 28m.
  • 101 flights per week
ONT
 
Via SFO
 
PDX

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

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Flight data on this page was last updated on 2026-06-08