Cheap Flights from Portland International Airport to Ontario (ONT) Find and Compare the Best Airline Deals | Skyticket

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2025/11
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Total Fares（Round-Trip/Economy）: USD /Per Person

* Displayed fare(s) may differ from the actual search result

Portland (Oregon)－Ontario Airport
November Lowest Airfares
USD404

The airfare displayed above is for Alaska Airlines

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Portland (Oregon)－Ontario Airport
December Lowest Airfares
USD237

The airfare displayed above is for Delta Air Lines

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Portland (Oregon)－Ontario Airport
January Lowest Airfares -----
Portland (Oregon)－Ontario Airport
February Lowest Airfares
USD277

The airfare displayed above is for Alaska Airlines

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Portland (Oregon)－Ontario Airport
March Lowest Airfares
USD468

The airfare displayed above is for Delta Air Lines

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Portland (Oregon)－Ontario
Estimated Flight Time
2 Hours 18 Minutes
Portland (Oregon)－Ontario
Number of Operating Airlines
5

Operating Airlines for Portland (Oregon)－Ontario Airport Route
Delta Air Lines

Non-StopAlaska Airlines

American Airlines

Hawaiian Airlines

United Airlines

Other Destinations from:Portland (Oregon)

Portland (Oregon)－Philadelphia(PHL)
USD204〜
* Fares vary in accordance to seat availability
Other Departures to: Ontario

Lehigh Valley Airport－Ontario(ONT)
USD437〜
Albuquerque Sunport－Ontario(ONT)
USD218〜
Albany Airport－Ontario(ONT)
USD302〜
* Fares vary in accordance to seat availability