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Uncover the best deals on Portland to Ontario flights by comparing fares from hundreds of airlines and agencies.
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 Round Trip Flight
$182
Delta Airlines
• 1 stop
• 10h 6m
Aug 01 – Aug 05
The cheapest round trip flight from Portland to Ontario (PDX-ONT-PDX) is currently $182
Fastest Flight
7h 38m
The fastest nonstop flight from Portland to Ontario (PDX-ONT) takes 7h 38m
Top Airlines Flying from Portland to Ontario
Latest Flight Deals from Portland (PDX) to Ontario (ONT)
Compare and book low fare round-trip air tickets from Portland to Ontario. Ideal for travelers with confirmed return itineraries.
Aug 01 - Aug 05, Economy
Portland → Ontario
10h 6m
11:15 AM - 5:21 PM • 1 stop
Portland → Ontario
10h 20m
9:43 AM - 4:03 PM • 1 stop
Delta Airlines
Aug 01 - Aug 05, Economy
Portland → Ontario
10h 25m
5:45 AM - 12:10 PM • 1 stop
Portland → Ontario
10h 20m
9:43 AM - 4:03 PM • 1 stop
Delta Airlines
Aug 01 - Aug 05, Economy
Portland → Ontario
8h 44m
1:09 PM - 6:33 PM • 1 stop
Portland → Ontario
6h 43m
6:45 PM - 10:48 PM • 1 stop
United Airlines
Aug 01 - Aug 05, Economy
Portland → Ontario
7h 38m
12:23 PM - 5:21 PM • 1 stop
Portland → Ontario
3h 36m
7:35 AM - 9:51 AM • nonstop
Delta Airlines
Aug 01 - Aug 05, Economy
Portland → Ontario
10h 6m
11:15 AM - 5:21 PM • 1 stop
Portland → Ontario
3h 39m
10:05 AM - 12:24 PM • nonstop
Delta Airlines
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 5:45 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 DL : USD 182
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 1:09 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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