Cheap Flight Tickets from Ontario (ONT) to Portland (PWM), Starting at $473

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

$473

WN Southwest Airlines • 2 stops • 22h 20m

Dec 19 – Jan 08

The cheapest round trip flight from Ontario to Portland (ONT-PWM-ONT) is currently $473

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Fastest Flight

13h 22m

The fastest nonstop flight from Ontario to Portland (ONT-PWM) takes 13h 22m

Top Airlines Flying from Ontario to Portland

Southwest Airlines-WN

Southwest Airlines

Delta Airline, DL

Delta Airlines

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.

Dec 19 - Jan 08, Economy
WN
Ontario → Portland
22h 20m
8:05 PM - 12:45 PM • 2 stops
WN
Ontario → Portland
15h 55m
12:50 PM - 7:45 PM • 2 stops
$473
Southwest Airlines
Dec 19 - Jan 08, Economy
WN
Ontario → Portland
25h
6:45 PM - 12:45 PM • 2 stops
WN
Ontario → Portland
15h 55m
12:50 PM - 7:45 PM • 2 stops
$473
Southwest Airlines
Dec 19 - Jan 08, Economy
WN
Ontario → Portland
15h 50m
11:55 PM - 12:45 PM • 2 stops
WN
Ontario → Portland
18h 20m
12:50 PM - 8:50 PM • 2 stops
$473
Southwest Airlines
Dec 19 - Jan 08, Economy
WN
Ontario → Portland
20h 5m
6:45 PM - 9:50 AM • 2 stops
WN
Ontario → Portland
18h 20m
12:50 PM - 8:50 PM • 2 stops
$473
Southwest Airlines
Dec 19 - Jan 08, Economy
DL
Ontario → Portland
13h 22m
7:05 AM - 6:07 PM • 1 stop
DL
Ontario → Portland
17h 19m
2:35 PM - 10:14 PM • 2 stops
$504
Delta Airlines
Dec 19 - Jan 08, Economy
DL
Ontario → Portland
23h 41m
10:29 PM - 3:50 PM • 2 stops
DL
Ontario → Portland
14h 3m
2:35 PM - 8:15 PM • 1 stop
$505
Delta Airlines

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

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

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 7:05 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 473
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

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