Southwest Airlines flights from Portland (PDX) to Ontario, Los Angeles (ONT).

Select flight date:
FLIGHT SCHEDULE
Non-Direct Flights:
Mon,Thu,Fri 10:00 Portland (PDX) 13:25 Ontario, Los Angeles (ONT) 4
Southwest Airlines WN 300 1-stop Boeing 737-700 (Scimitar Winglets) 3:25 Effective 2026-06-04 through 2026-08-03
Tue,Wed 06:30 Portland (PDX) 10:25 Ontario, Los Angeles (ONT) 4
Southwest Airlines WN 384 1-stop Boeing 737-800 (73H) 3:55 Effective 2026-03-10 through 2026-04-01
Sun 17:00 Portland (PDX) 20:20 Ontario, Los Angeles (ONT) 4
Southwest Airlines WN 480 1-stop Boeing 737-700 (Scimitar Winglets) 3:20 Effective 2026-06-07 through 2026-08-02
Sat 09:05 Portland (PDX) 12:45 Ontario, Los Angeles (ONT) 4
Southwest Airlines WN 3151 1-stop Boeing 737-700 (Scimitar Winglets) 3:40 Effective 2026-06-06 through 2026-08-01
Tue,Wed 11:00 Portland (PDX) 14:55 Ontario, Los Angeles (ONT) 4
Southwest Airlines WN 3661 1-stop Boeing 737-700 (Scimitar Winglets) 3:55 Effective 2026-04-07 through 2026-06-03
Tue,Wed 05:10 Portland (PDX) 09:05 Ontario, Los Angeles (ONT) 4
Southwest Airlines WN 4179 1-stop Boeing 737 MAX 8 (7M8) 3:55 Effective 2026-06-09 through 2026-07-29




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Southwest Airlines flights from Portland (PDX) to Ontario, Los Angeles (ONT).
Select flight date:
FLIGHT SCHEDULE
Non-Direct Flights:
Southwest Airlines WN300
10:00
Portland (PDX)

13:25
Ontario, Los Angeles (ONT) 4
Effective 2026-06-04 through 2026-08-03
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 3:25, 1-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN384
06:30
Portland (PDX)

10:25
Ontario, Los Angeles (ONT) 4
Effective 2026-03-10 through 2026-04-01
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:55, 1-stop
Boeing 737-800 (73H)
Non-Direct Flights:
Southwest Airlines WN480
17:00
Portland (PDX)

20:20
Ontario, Los Angeles (ONT) 4
Effective 2026-06-07 through 2026-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:20, 1-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN3151
09:05
Portland (PDX)

12:45
Ontario, Los Angeles (ONT) 4
Effective 2026-06-06 through 2026-08-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:40, 1-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN3661
11:00
Portland (PDX)

14:55
Ontario, Los Angeles (ONT) 4
Effective 2026-04-07 through 2026-06-03
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:55, 1-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN4179
05:10
Portland (PDX)

09:05
Ontario, Los Angeles (ONT) 4
Effective 2026-06-09 through 2026-07-29
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:55, 1-stop
Boeing 737 MAX 8 (7M8)
  • A domestic route departing from the Portland airport (PDX) and arriving at Ontario, Los Angeles airport (ONT).
  • The flight distance is 839 miles, or 1350 km.
  • The timezone of both the departure and the arrival airports is UTC-8 . Current time at both airports is (loading...).
All PDX-ONT flights
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Return (ONT-PDX) flights
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