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

Departure Date

2025/9
Sun	Mon	Tue	Wed	Thu	Fri	Sat
	1278	2448	3Search	4Search	5Search	6Search
7Search	8Search	9Search	10Search	11Search	12Search	13Search
14Search	15Search	16Search	17Search	18Search	19Search	20Search
21Search	22Search	23Search	24Search	25Search	26Search	27Search
28Search	29Search	30Search

Select Return Date　　 Change Departure Date

Return Date

2025/9
Sun	Mon	Tue	Wed	Thu	Fri	Sat
	1------	2------	3------	4------	5------	6------
7------	8------	9------	10------	11------	12------	13------
14------	15------	16------	17------	18------	19------	20------
21------	22------	23------	24------	25------	26------	27------
28------	29------	30------

　　Select Departure Date

Currency:US Dollar Loading Searching Fares Updating Fares

Departure Date

―

Return Date

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

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

Portland (Oregon)－Ontario Airport
September Lowest Airfares
USD278

The airfare displayed above is for Alaska Airlines

Set calendar for this month
Portland (Oregon)－Ontario Airport
October Lowest Airfares
USD178

The airfare displayed above is for Delta Air Lines

Set calendar for this month

Portland (Oregon)－Ontario Airport
November Lowest Airfares -----
Portland (Oregon)－Ontario Airport
December Lowest Airfares
USD246

The airfare displayed above is for Delta Air Lines

Set calendar for this month
Portland (Oregon)－Ontario Airport
January Lowest Airfares -----

Portland (Oregon)－Ontario
Estimated Flight Time
2 Hours 24 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)
USD420〜
Portland (Oregon)－Palm Springs(PSP)
USD270〜
* Fares vary in accordance to seat availability
Other Departures to: Ontario

Lehigh Valley Airport－Ontario(ONT)
USD452〜
Albuquerque Sunport－Ontario(ONT)
USD288〜
Albany Airport－Ontario(ONT)
USD320〜
* Fares vary in accordance to seat availability