Find Portland to Ontario flights starting at CAD 27.
Book one-way or return flights from Portland to Ontario from as little as CAD 27. Choose from the popular airlines below and book your flight today!
- One way
- Round-trip
- PDX15:402h 15mDirectONT17:55Tue, May 14|Portland - Ontario|Frontier AirlinesCAD 27CAD 5046% OFF46% OFFCAD 50CAD 27
- PDX20:202h 15mDirectONT22:35Wed, May 29|Portland - Ontario|Frontier AirlinesCAD 27CAD 5045% OFF45% OFFCAD 50CAD 27
- PDX16:262h 15mDirectONT18:41Wed, May 8|Portland - Ontario|Frontier AirlinesCAD 28CAD 5044% OFF44% OFFCAD 50CAD 28
- PDX16:462h 15mDirectONT19:01Sat, May 4|Portland - Ontario|Frontier AirlinesCAD 28CAD 28
- PDX17:142h 15mDirectONT19:29Tue, May 21|Portland - Ontario|Frontier AirlinesCAD 28CAD 28
- PDX18:552h 15mDirectONT21:10Sat, May 18|Portland - Ontario|Frontier AirlinesCAD 29CAD 29
- PDX20:202h 15mDirectONT22:35Wed, May 22|Portland - Ontario|Frontier AirlinesCAD 33CAD 33
- PDX16:462h 15mDirectONT19:01Sat, May 11|Portland - Ontario|Frontier AirlinesCAD 34CAD 34
- PDX15:402h 15mDirectONT17:55Tue, May 7|Portland - Ontario|Frontier AirlinesCAD 34CAD 34
- PDX15:402h 15mDirectONT17:55Tue, Apr 30|Portland - Ontario|Frontier AirlinesCAD 34CAD 34
- PDX13:003h 5mDirectONT14:00Sun, May 5|Portland - Ontario|Frontier AirlinesFind More FlightsFind More Flights
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- CheapestPDX15:402h 15mDirectONT17:55Portland International Airport - Ontario International AirportTue, May 14Frontier AirlinesCAD 27
- PDX15:402h 15mDirectONT17:55Portland International Airport - Ontario International AirportTue, May 14Frontier AirlinesCAD 27Find More Flights
How do I find the cheapest flights?
How to find a cheap flight from Portland to Ontario
Cheapest direct flight price | CAD 26 |
---|---|
Cheapest return ticket price | CAD 54 |
Cheapest month | March |
Peak season for travel | February |
Flight distance | 12,470.35km |
Popular airline | Alaska Airlines |
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