Cheap Flight Tickets from Ontario (ONT) to Portland (PDX), Starting at $317

Good to Know: Cheapest and Fastest ONT - PDX Flights

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

Cheapest Round Trip Flight

$408

WN Southwest Airlines • 1 stop • 19h 15m

Jul 18 – Jul 25

The cheapest round trip flight from Ontario to Portland (ONT-PDX-ONT) is currently $408

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Cheapest Direct Flight

$317

DL Delta Airlines • nonstop • 3h 38m

Jul 18

The cheapest nonstop flight from Ontario to Portland (ONT-PDX) is currently $317

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Fastest Flight

3h 33m

The fastest nonstop flight from Ontario to Portland (ONT-PDX) takes 3h 33m

Top Airlines Flying from Ontario to Portland

Southwest Airlines-WN

Southwest Airlines

Delta Airline, DL

Delta Airlines

United Airlines, UA

United Airlines

American Airlines, AA

American Airlines

Alaska Airlines -AS

Alaska Airlines

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

Compare and book low fare round-trip air tickets from Ontario to Portland. Ideal for travelers with confirmed return itineraries.

Jul 18 - Jul 25, Economy
WN
Ontario → Portland
19h 15m
8:05 AM - 8:00 PM • 1 stop
WN
Ontario → Portland
5h 45m
9:00 AM - 12:45 PM • 1 stop
$408
Southwest Airlines
Jul 18 - Jul 25, Economy
AS
Ontario → Portland
11h 44m
- • 1 stop
AS
Ontario → Portland
3h 42m
- • nonstop
$698
Alaska Airlines
Jul 18 - Jul 25, Economy
DL
Ontario → Portland
8h 41m
- • 1 stop
UA
Ontario → Portland
10h 57m
- • 1 stop
$699
Delta Airlines
Jul 18 - Jul 25, Economy
Y4
Ontario → Portland
62h 39m
9:36 PM - 11:35 AM • 3 stops
F9
Ontario → Portland
35h 44m
12:20 PM - 10:04 AM • 1 stop
$869
Volaris Airline
Jul 18 - Jul 25, Economy
AA
Ontario → Portland
20h 41m
11:59 PM - 12:40 PM • 1 stop
AA
Ontario → Portland
10h 13m
3:31 PM - 9:44 PM • 1 stop
$1082
American Airlines
Jul 18 - Jul 25, Economy
AS
Ontario → Portland
23h 21m
9:20 PM - 11:21 AM • 1 stop
AS
Ontario → Portland
7h 30m
8:19 AM - 1:09 PM • 1 stop
$1243
Alaska 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 PDX?
The most popular airline flying from Ontario to Portland are
Can I fly from ONT to PDX non-stop?
Yes, you can fly ONT to PDX non-stop on
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 PDX Airport?
The earliest flight leaves ONT at 7:05 am and lands in PDX - Portland International
What are the airports in Portland?
PDX
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 PDX?
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 2 hour to fly non-stop from ONT to PDX, which is 838.45 miles by air.
Which airlines provide the cheapest flights from Ontario (ONT) to Portland (PDX) ?
In the past couple of days, the cheapest tickets to PDX from ONT were found on AS : USD 698
Do I need a passport to fly between ONT and PDX?
No
What’s the latest departure time from ONT to PDX ?
The last flight leaves ONT at 2:000 pm

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

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

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