Airlines with flights from Portland to Ontario

There are 6 airlines with scheduled flights between PDX and ONT. Alaska Airlines is the only airline with non-stop flights from Portland International to Ontario International Airport and the flight time is 2 hours and 21 minutes.

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Direct

$Alaska Airlines from {( $airportFrom->city_name }} to Ontario$

Non-stop

2h 21min

Via Sacramento

3h 25min

Via Oakland

3h 40min

Via Las Vegas

3h 55min

Via San Jose

4h 5min

Via San Francisco

4h 8min

NEW

Via Santa Rosa

4h 13min

Via Phoenix

4h 15min

Via Phoenix

4h 20min

Via Salt Lake City

4h 23min

Via Seattle

4h 27min

Via Seattle

4h 32min

Via Las Vegas

6h 9min

Via Boise

5h 8min

Schedules

Non-stop with Alaska Airlines

Total flight time: 2 hours and 21 minutes
One World Alliance
Portland is a Alaska Airlines hub.

25 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

PDX

Direct

ONT

Flight

Mon

Jun 22

Tue

Jun 23

Wed

Jun 24

Thu

Jun 25

Fri

Jun 26

Sat

Jun 27

Sun

Jun 28

AS1449

07:36

AS2093

14:30

AS97

21:30

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CHECK PRICES FOR PDX - ONT

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

Via Sacramento with Southwest Airlines

Total flight time: 3h 25m - 5h 50m.
Low-cost airline

79 flights per week

PDX

Via SMF

ONT

Flight

Mon

Jun 22

Tue

Jun 23

Wed

Jun 24

Thu

Jun 25

Fri

Jun 26

Sat

Jun 27

Sun

Jun 28

WN3211
WN4911

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05:20

WN3211
WN3805

05:30

05:25

05:30

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WN3211
WN2261

----

06:15

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WN300
WN3807

10:00

10:25

10:00

----

WN3586
WN300

----

10:10

WN3212
WN3808

12:15

----

12:15

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WN201
WN588

----

16:05

----

SHOW RETURN SCHEDULE

CLOSE RETURN SCHEDULE

CHECK PRICES FOR PDX - ONT

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

Via Oakland with Southwest Airlines

Total flight time: 3h 40m - 7h 00m.
Low-cost airline

75 flights per week

PDX

Via OAK

ONT

Flight

Mon

Jun 22

Tue

Jun 23

Wed

Jun 24

Thu

Jun 25

Fri

Jun 26

Sat

Jun 27

Sun

Jun 28

WN2297
WN3062

----

05:40

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WN2114
WN3062

----

06:00

WN4928
WN381

12:25

----

12:25

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WN3563
WN645

----

12:35

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WN753
WN3089

----

14:50

WN2935
WN449

----

17:20

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SHOW RETURN SCHEDULE

CLOSE RETURN SCHEDULE

CHECK PRICES FOR PDX - ONT

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

Via Las Vegas with Southwest Airlines

Total flight time: 3h 55m - 7h 10m.
Low-cost airline

117 flights per week

PDX

Via LAS

ONT

Flight

Mon

Jun 22

Tue

Jun 23

Wed

Jun 24

Thu

Jun 25

Fri

Jun 26

Sat

Jun 27

Sun

Jun 28

WN656
WN209

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05:00

WN344
WN4179

05:00

----

05:00

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WN4179
WN4445

----

05:10

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WN4672
WN3845

10:35

----

10:35