Latest Flight Deals from Portland to Ontario
Book one-way or return flights from Portland to Ontario from as little as £16. Choose from the popular airlines below and book your flight today!
- One way
- Round-trip
- PDX15:402h 15mDirectONT17:55Tue, May 14|Portland - Ontario|Frontier Airlines£16£2435% OFF35% OFF£24£16
- PDX20:202h 15mDirectONT22:35Wed, May 29|Portland - Ontario|Frontier Airlines£16£2433% OFF33% OFF£24£16
- PDX16:262h 15mDirectONT18:41Wed, May 8|Portland - Ontario|Frontier Airlines£16£2433% OFF33% OFF£24£16
- PDX16:462h 15mDirectONT19:01Sat, May 4|Portland - Ontario|Frontier Airlines£17£17
- PDX17:142h 15mDirectONT19:29Tue, May 21|Portland - Ontario|Frontier Airlines£17£17
- PDX18:552h 15mDirectONT21:10Sat, May 18|Portland - Ontario|Frontier Airlines£17£17
- PDX20:202h 15mDirectONT22:35Wed, May 22|Portland - Ontario|Frontier Airlines£20£20
- PDX16:462h 15mDirectONT19:01Sat, May 11|Portland - Ontario|Frontier Airlines£20£20
- PDX15:402h 15mDirectONT17:55Tue, May 7|Portland - Ontario|Frontier Airlines£20£20
- PDX16:262h 15mDirectONT18:41Wed, May 1|Portland - Ontario|Frontier Airlines£20£20
- PDX13:003h 5mDirectONT14:00Thu, May 2|Portland - Ontario|Frontier AirlinesFind More FlightsFind More Flights
Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.
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Discover different routes, airlines, and transfers and find the best alternative flights for your journey from Portland to Ontario.
- CheapestPDX15:402h 15mDirectONT17:55Portland International Airport - Ontario International AirportTue, May 14Frontier Airlines£16
- PDX15:402h 15mDirectONT17:55Portland International Airport - Ontario International AirportTue, May 14Frontier Airlines£16Find More Flights
How do I find the cheapest flights?
How to find a cheap flight from Portland to Ontario
Cheapest direct flight price | £15 |
---|---|
Cheapest return ticket price | £31 |
Cheapest month | March |
Peak season for travel | February |
Flight distance | 12,470.35km |
Popular airline | Alaska Airlines |
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