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Portland International Airport to Ontario flight
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Cheap Flights from Portland International Airport to Ontario

Search for flights from Portland International Airport to Ontario and check out affordable one-way and round-trip options.

  • One way
  • Round-trip
sortSort: Price (Lowest)
  • Sort: Price (Lowest)
  • Sort: Departure (Earliest)
      • PDX15:40
        2h 15m
        Direct
        ONT17:55
        Portland - Ontario|Tue, May 14|Frontier Airlines
        CAD 27CAD 45
        41% OFF
        41% OFF
        CAD 45CAD 27
      • PDX20:20
        2h 15m
        Direct
        ONT22:35
        Portland - Ontario|Wed, May 29|Frontier Airlines
        CAD 27CAD 45
        40% OFF
        40% OFF
        CAD 45CAD 27
      • PDX16:26
        2h 15m
        Direct
        ONT18:41
        Portland - Ontario|Wed, May 8|Frontier Airlines
        CAD 28CAD 45
        39% OFF
        39% OFF
        CAD 45CAD 28
      • PDX16:46
        2h 15m
        Direct
        ONT19:01
        Portland - Ontario|Sat, May 4|Frontier Airlines
        CAD 28
        CAD 28
      • PDX17:14
        2h 15m
        Direct
        ONT19:29
        Portland - Ontario|Tue, May 21|Frontier Airlines
        CAD 28
        CAD 28
      • PDX18:55
        2h 15m
        Direct
        ONT21:10
        Portland - Ontario|Sat, May 18|Frontier Airlines
        CAD 29
        CAD 29
      • PDX20:20
        2h 15m
        Direct
        ONT22:35
        Portland - Ontario|Wed, May 22|Frontier Airlines
        CAD 33
        CAD 33
      • PDX16:46
        2h 15m
        Direct
        ONT19:01
        Portland - Ontario|Sat, May 11|Frontier Airlines
        CAD 34
        CAD 34
      • PDX15:40
        2h 15m
        Direct
        ONT17:55
        Portland - Ontario|Tue, May 7|Frontier Airlines
        CAD 34
        CAD 34
      • PDX15:40
        2h 15m
        Direct
        ONT17:55
        Portland - Ontario|Tue, Apr 30|Frontier Airlines
        CAD 34
        CAD 34
      • PDX13:00
        3h 5m
        Direct
        ONT14:00
        Portland - Ontario|Mon, May 6|Frontier Airlines
        Find More Flights
        Find More Flights

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Selected Airlines from Portland International Airport to Ontario

See which airlines fly from Portland International Airport to Ontario. Find the airline that best meets your travel needs by comparing prices and treat yourself to an enjoyable journey.

Frontier Airlines
From CAD 27
Spirit Airlines
From CAD 79
Alaska Airlines
From CAD 113
Delta Air Lines
From CAD 118
United Airlines
From CAD 144
Southwest Airlines
From CAD 185
American Airlines
From CAD 189
Hawaiian Airlines
From CAD 648
ANA airlines
Find more flights and airlines

Find Suitable Airport in Ontario

Learn about different airports in Ontario, find the best flight and transfer options, and plan your journey.

  • 12517.03 km from central Ontario
    Ontario International Airport
    Tickets From
    CAD 27
Flight Schedule from Portland International Airport to Ontario

Check the schedule for flights from Portland International Airport to Ontario and find the flight that best matches your travel plans.

Flight info.
Departure
Arrival
Weekly Schedule

  1. F92914

    Frontier Airlines

    15:40

    PDX

    2.3h

    Direct

    17:55

    ONT

    SMT-T--
    Search

  2. F93416

    Frontier Airlines

    17:52

    PDX

    2.0h

    Direct

    19:55

    ONT

    ---W-FS
    Search
Find more flights and airlines

Flight Info of Flights from Portland International Airport to Ontario

Cheapest return ticket price

CAD 54

Cheapest direct flight price

CAD 26

Cheapest month

March

Peak season for travel

February

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