Cheap Flight Tickets from Portland (PDX) to Ontario (ONT), Starting at $319

Good to Know: Cheapest and Fastest PDX - ONT Flights

Useful information for finding best airline tickets from Portland International to Ontario International on your next trip.

Cheapest One way Flight

$319

UA United Airlines • 1 stop • 7h 33m

Oct 13

The cheapest one way flight from Portland to Ontario (PDX-ONT) is currently $319

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Fastest Flight

7h 33m

The fastest nonstop flight from Portland to Ontario (PDX-ONT) takes 7h 33m

Top Airlines Flying from Portland to Ontario

Delta Airline, DL

Delta Airlines

United Airlines, UA

United Airlines

Alaska Airlines -AS

Alaska Airlines

Southwest Airlines-WN

Southwest Airlines

American Airlines, AA

American Airlines

Latest Flight Deals from Portland (PDX) to Ontario (ONT)

Fly from Portland to Ontario with the Best Airfare Deals on FareLeaders

Looking for a cheap last-minute deal or the best round-trip flight from Portland to Ontario? Find the biggest savings on one-way and round-trip tickets right here.

FAQs on Portland to Ontario Flights

What are the airports in Portland?
PDX
What’s the most popular airline flying from PDX to ONT?
The most popular airline flying from Portland to Ontario are
Can I fly from PDX to ONT non-stop?
NO
Which airlines fly nonstop between Portland and Ontario?
The non-stop flights between Portland and Ontario are .
What’s the earliest departure time from PDX to ONT Airport?
The earliest flight leaves PDX at 5:30 am and lands in ONT - Ontario International
What are the airports in Ontario?
ONT
Can I make changes to my Portland to Ontario flight tickets or cancel them on FareLeaders.com?
No. We are an airfare comparison site. All the tickets are booked by the travel agent offering the flight deal and any changes or cancellations to be made are directly done directly by them or the airlines.
Can I cancel my flight tickets from PDX to ONT?
Read the fare rules of the Portland to Ontario air tickets booked. Some airlines allow you to cancel the tickets within a stipulated time period with a cancellation fee.
Which airline alliances offer flights from Portland and Ontario?
operate flights between Portland and Ontario
How long does a flight from Portland to Ontario take?
It takes approximately 2 hour to fly non-stop from PDX to ONT, which is 838.45 miles by air.
Which airlines provide the cheapest flights from Portland (PDX) to Ontario (ONT) ?
In the past couple of days, the cheapest tickets to ONT from PDX were found on UA : USD 319
Do I need a passport to fly between PDX and ONT?
No
What’s the latest departure time from PDX to ONT ?
The last flight leaves PDX at 5:15 pm

Portland (PDX) to Ontario (ONT): Airport Information

Origin Airport Portland International , Portland, US
Destination Airport Ontario International , Ontario, US
Distance 838 miles

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