Frontier Airlines flights from Seattle-Tacoma (SEA) to Ontario, Los Angeles (ONT).

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Tue,Fri,Sun 11:06 Seattle-Tacoma (SEA) 13:42 Ontario, Los Angeles (ONT)
Frontier Airlines F9 3163 Non-stop Airbus A320neo (32N) 2:36 Valid until 2026-01-04
Mon 11:06 Seattle-Tacoma (SEA) 13:42 Ontario, Los Angeles (ONT)
Frontier Airlines F9 3163 Non-stop Airbus A321neo (32Q) 2:36 Valid until 2026-01-05
Sat 12:16 Seattle-Tacoma (SEA) 14:55 Ontario, Los Angeles (ONT)
Frontier Airlines F9 3163 Non-stop Airbus A320neo (32N) 2:39 Valid until 2026-01-03
Thu 18:48 Seattle-Tacoma (SEA) 21:23 Ontario, Los Angeles (ONT)
Frontier Airlines F9 3163 Non-stop Airbus A320neo (32N) 2:35 Operates only on 2026-01-08
Sun 18:48 Seattle-Tacoma (SEA) 21:23 Ontario, Los Angeles (ONT)
Frontier Airlines F9 3163 Non-stop Airbus A321neo (32Q) 2:35 Operates only on 2026-01-11




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Frontier Airlines flights from Seattle-Tacoma (SEA) to Ontario, Los Angeles (ONT).
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Frontier Airlines F93163
11:06
Seattle-Tacoma (SEA)

13:42
Ontario, Los Angeles (ONT)
Valid until 2026-01-04
Mon
-
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 2:36, non-stop
Airbus A320neo (32N)
Direct Flights:
Frontier Airlines F93163
11:06
Seattle-Tacoma (SEA)

13:42
Ontario, Los Angeles (ONT)
Valid until 2026-01-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:36, non-stop
Airbus A321neo (32Q)
Direct Flights:
Frontier Airlines F93163
12:16
Seattle-Tacoma (SEA)

14:55
Ontario, Los Angeles (ONT)
Valid until 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:39, non-stop
Airbus A320neo (32N)
Direct Flights:
Frontier Airlines F93163
18:48
Seattle-Tacoma (SEA)

21:23
Ontario, Los Angeles (ONT)
Operates only on 2026-01-08
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:35, non-stop
Airbus A320neo (32N)
Direct Flights:
Frontier Airlines F93163
18:48
Seattle-Tacoma (SEA)

21:23
Ontario, Los Angeles (ONT)
Operates only on 2026-01-11
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:35, non-stop
Airbus A321neo (32Q)
  • A domestic route departing from the Seattle-Tacoma airport (SEA) and arriving at Ontario, Los Angeles airport (ONT).
  • The flight distance is 956 miles, or 1539 km.
  • The timezone of both the departure and the arrival airports is UTC-8 . Current time at both airports is (loading...).
  • For direct flights, the flight time varies between 2:35 and 2:39.
All SEA-ONT flights
All Frontier Airlines flights
Return (ONT-SEA) flights
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