Airlines with flights from Ontario to Boise

There are five airlines with scheduled flights between ONT and BOI. Alaska Airlines is the only airline with non-stop flights from Ontario International Airport to Boise Air Terminal 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
  • Boise is a Alaska Airlines focus city.
  • 7 flights per week
  • Embraer 175
  • First class available
ONT
Direct
BOI

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

Southwest Airlines

Via Las Vegas with Southwest Airlines

  • Total flight time: 3h 30m - 5h 50m.
  • Low-cost airline
  • 55 flights per week
ONT
 
Via LAS
 
BOI
 
Flight
Mon
Jun 15
Tue
Jun 16
Wed
Jun 17
Thu
Jun 18
Fri
Jun 19
Sat
Jun 20
Sun
Jun 21
WN3150
WN2192
05:30
05:30
05:30
05:30
05:30
05:40
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WN300
WN1717
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14:35
WN873
WN2117
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15:40
15:40
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WN2213
WN1717
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16:35
WN2213
WN975
16:40
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16:40
16:40
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WN2213
WN2194
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18:35
18:35
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WN5082
WN3965
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19:00
SHOW RETURN SCHEDULE
CHECK PRICES FOR ONT - BOI

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

Southwest Airlines

Via San Jose with Southwest Airlines

  • Total flight time: 3h 30m - 5h 15m.
  • Low-cost airline
  • 16 flights per week
ONT
 
Via SJC
 
BOI

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

Southwest Airlines

Via Sacramento with Southwest Airlines

  • Total flight time: 3h 35m - 6h 00m.
  • Low-cost airline
  • 80 flights per week
ONT
 
Via SMF
 
BOI
 
Flight
Mon
Jun 15
Tue
Jun 16
Wed
Jun 17
Thu
Jun 18
Fri
Jun 19
Sat
Jun 20
Sun
Jun 21
WN3165
WN418
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05:50
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WN3165
WN2360
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06:30
06:30
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WN3166
WN418
09:45
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09:45
09:45
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WN527
WN966
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12:45
12:45
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WN2057
WN719
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13:40
WN3170
WN3762
18:30
18:25
18:25
18:30
18:30
18:15
18:40
SHOW RETURN SCHEDULE
CHECK PRICES FOR ONT - BOI

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

Delta Air Lines

Via Salt Lake City with Delta Air Lines

  • Total flight time: 3h 39m - 5h 59m.
  • Sky Team Alliance
  • 49 flights per week
ONT
 
Via SLC
 
BOI

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

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Flight data on this page was last updated on 2026-06-02