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Uncover the best deals on Ontario to Portland flights by comparing fares from hundreds of airlines and agencies.
Good to Know: Cheapest and Fastest ONT - PWM Flights
Useful information for finding best airline tickets from Ontario International to Portland International Jetport on your next trip.
Cheapest Round Trip Flight
$215
Southwest Airlines
• 1 stop
• 13h 20m
Oct 05 – Oct 14
The cheapest round trip flight from Ontario to Portland (ONT-PWM-ONT) is currently $215
Cheapest One way Flight
$906
Southwest Airlines
• 2 stops
• 31h 50m
Sep 22
The cheapest one way flight from Ontario to Portland (ONT-PWM) is currently $906
Fastest Flight
13h 20m
The fastest nonstop flight from Ontario to Portland (ONT-PWM) takes 13h 20m
Top Airlines Flying from Ontario to Portland
Latest Flight Deals from Ontario (ONT) to Portland (PWM)
Compare and book low fare round-trip air tickets from Ontario to Portland. Ideal for travelers with confirmed return itineraries.
Oct 05 - Oct 14, Economy
Ontario → Portland
13h 20m
11:55 PM - 10:55 AM • 1 stop
Ontario → Portland
13h 40m
6:00 PM - 11:20 PM • 1 stop
Southwest Airlines
Oct 05 - Oct 14, Economy
Ontario → Portland
13h 22m
5:00 AM - 4:02 PM • 1 stop
Ontario → Portland
16h 46m
6:00 AM - 1:06 PM • 1 stop
United Airlines
Explore competitive one-way airfare options for ONT - PWM flights. Best suited for flexible or open-ended travel plans.
Flying to Portland soon? We've surfaced some of the most affordable last-minute flights from Ontario to Portland, ideal for urgent plans or spontaneous trips.
FAQs on Ontario to Portland Flights
What are the airports in Ontario?
ONT
What’s the most popular airline flying from ONT to PWM?
The most popular airline flying from Ontario to Portland are
Can I fly from ONT to PWM non-stop?
NO
Which airlines fly nonstop between Ontario and Portland?
The non-stop flights between Ontario and Portland are .
What’s the earliest departure time from ONT to PWM Airport?
The earliest flight leaves ONT at 5:00 am and lands in PWM - Portland International Jetport
What are the airports in Portland?
PWM
Can I make changes to my Ontario to Portland 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 ONT to PWM?
Read the fare rules of the Ontario to Portland 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 Ontario and Portland?
operate flights between Ontario and Portland
How long does a flight from Ontario to Portland take?
It takes approximately 6 hour to fly non-stop from ONT to PWM, which is 2597.99 miles by air.
Which airlines provide the cheapest flights from Ontario (ONT) to Portland (PWM) ?
In the past couple of days, the cheapest tickets to PWM from ONT were found on WN : USD 906
Do I need a passport to fly between ONT and PWM?
No
What’s the latest departure time from ONT to PWM ?
The last flight leaves ONT at 11:55 pm
Ontario (ONT) to Portland (PWM): Airport Information
| Origin Airport | Ontario International , Ontario, US |
| Destination Airport | Portland International Jetport , Portland, US |
| Distance | 2598 miles |
More Flight Options for Ontario (ONT) and Portland (PWM)
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