HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Portland

$139+ Cheap flights from Ontario to Portland (PDX)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/27. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — PDX
août 18 — août 251
lun. 8/18
lun. 8/25
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Ontario to Portland with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Ontario to Portland

Keep the following information in mind while searching for Ontario to Portland flight deals. Data was last updated août 13, 2025.

Round-trip from

$265
(Trip.com)

One-way from

$139
(Trip.com)

Popular in

March

Cheapest in

September

Average price

$341
From Ontario to Portland
Search Deals
One-way flight from Ontario to Portland
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($32 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2025
Search Deals

Find flight deals from Ontario to Portland

Cheapest flights from Ontario to Portland
Explore the most affordable flight options available from Ontario to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on août 13, 2025.

This Trip.com deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 9/38:30 amYYZ - PDX
1 stop9h 16mAir Canada
ven. 9/1210:00 amPDX - YYZ
1 stop9h 36mAir Canada
Deal found 8/12$265
This oojo deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 9/2710:20 pmYYZ - PDX
2 stops17h 44mWestJet
sam. 10/41:45 pmPDX - YYZ
2 stops13h 06mWestJet
Deal found 8/13$267
This oojo deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 10/310:20 pmYYZ - PDX
2 stops17h 45mWestJet
dim. 10/51:45 pmPDX - YYZ
1 stop7h 37mWestJet
Deal found 8/13$268
This Trip.com deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 9/56:00 amYHM - PDX
1 stop10h 04mWestJet
sam. 9/61:45 pmPDX - YHM
1 stop7h 55mWestJet
Deal found 8/12$269
This Air Canada deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/74:00 pmYYZ - PDX
1 stop10h 01mAir Canada
mer. 10/89:55 amPDX - YYZ
1 stop7h 35mAir Canada
Deal found 8/11$277
This Air Canada deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 9/204:00 pmYYZ - PDX
1 stop10h 01mAir Canada
lun. 9/227:40 pmPDX - YYZ
1 stop9h 19mAir Canada
Deal found 8/11$278
This Air Canada deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 9/258:30 amYYZ - PDX
1 stop9h 16mAir Canada
jeu. 10/27:40 pmPDX - YYZ
1 stop8h 20mAir Canada
Deal found 8/11$279
This Air Canada deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 9/196:15 amYYZ - PDX
2 stops11h 31mAir Canada
lun. 9/227:40 pmPDX - YYZ
1 stop8h 20mAir Canada
Deal found 8/11$284
This Gotogate deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/2710:35 pmYYZ - PDX
1 stop13h 40mAir Canada
dim. 11/23:15 pmPDX - YYZ
2 stops11h 23mAir Canada
Deal found 8/11$285
This Air Canada deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 11/228:00 amYYZ - PDX
2 stops9h 45mAir Canada
dim. 11/303:15 pmPDX - YYZ
2 stops11h 23mAir Canada
Deal found 8/11$288
This Air Canada deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 9/1712:00 pmYYZ - PDX
1 stop9h 46mAir Canada
mer. 9/247:40 pmPDX - YYZ
1 stop8h 20mAir Canada
Deal found 8/11$289
This United Airlines deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 8/292:48 pmYOW - PDX
1 stop9h 40mUnited Airlines
lun. 9/110:50 pmPDX - YOW
1 stop9h 55mUnited Airlines
Deal found 8/13$313

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Portland that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated août 13, 2025.
Use the filters below to find and compare flights from Ontario to Portland that are best for you.

Fly from

Ontario

Fly to

Portland

Route

Depart

Return

Price

TorontoPortland

YYZ - PDX

YYZPDX

Toronto Pearson Intl

mer. 9/3

8:30 am-2:46 pm

1 stop9h 16m

Portland

ven. 9/12

10:00 am-10:36 pm

1 stop9h 36m

$265

TorontoPortland

YYZ - PDX

YYZPDX

Toronto Pearson Intl

sam. 9/13

6:45 pm-11:01 pm

1 stop7h 16m

Portland

lun. 9/15

7:40 pm-7:59 am

1 stop9h 19m

$265

TorontoPortland

YYZ - PDX

YYZPDX

Toronto Pearson Intl

ven. 10/3

10:20 pm-1:05 pm

2 stops17h 45m

Portland

dim. 10/5

1:45 pm-5:51 am

2 stops13h 06m

$267

TorontoPortland

YYZ - PDX

YYZPDX

Toronto Pearson Intl

sam. 9/27

10:20 pm-1:04 pm

2 stops17h 44m

Portland

sam. 10/4

1:45 pm-5:51 am

2 stops13h 06m

$267

HamiltonPortland

YHM - PDX

YHMPDX

Hamilton

ven. 9/5

6:00 am-1:04 pm

1 stop10h 04m

Portland

sam. 9/6

1:45 pm-12:40 am

1 stop7h 55m

$269

TorontoPortland

YYZ - PDX

YYZPDX

Toronto Pearson Intl

mar. 10/7

4:00 pm-11:01 pm

1 stop10h 01m

Portland

mer. 10/8

9:55 am-8:30 pm

1 stop7h 35m

$277

TorontoPortland

YYZ - PDX

YYZPDX

Toronto Pearson Intl

sam. 11/22

9:00 am-2:45 pm

1 stop8h 45m

Portland

dim. 11/30

7:00 pm-6:29 am

1 stop8h 29m

$278

TorontoPortland

YYZ - PDX

YYZPDX

Toronto Pearson Intl

sam. 9/20

4:00 pm-11:01 pm

1 stop10h 01m

Portland

lun. 9/22

7:40 pm-7:59 am

1 stop9h 19m

$278

TorontoPortland

YYZ - PDX

YYZPDX

Toronto Pearson Intl

ven. 10/3

8:00 am-2:46 pm

1 stop9h 46m

Portland

lun. 10/6

7:40 pm-7:00 am

1 stop8h 20m

$279

TorontoPortland

YYZ - PDX

YYZPDX

Toronto Pearson Intl

ven. 9/5

8:00 am-2:46 pm

1 stop9h 46m

Portland

lun. 9/8

7:40 pm-7:59 am

1 stop9h 19m

$279

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/13

Showing 1-10 of 60 results
1
2
3
...
6

Best time to book a flight from Ontario to Portland

Have a flexible travel schedule? Discover the best time to fly to Portland from Ontario with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Ontario to Portland

What is the cheapest month to book a flight from Region of Ontario to Portland?

Currently, November is the cheapest month in which you can book a flight from Region of Ontario to Portland (average of $277). Flying from Region of Ontario to Portland in March is currently the most expensive (average of $369). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ON to PDX?

Find hourly flight availability from Ontario to Portland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated août 13, 2025.

When flying from Region of Ontario to Portland, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost to fly round-trip from Region of Ontario to Portland?

Related info for your journey

Find useful and relevant information for your journey from Ontario to Portland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Portland from Ontario?

    For a flight from Ontario to Portland, you will be flying into Portland. Portland (PDX) is just 6.0 mi from the center of the city.

  • What are the most popular routes from Region of Ontario to Portland?

    When deciding which route to take from Region of Ontario to Portland consider Toronto Pearson Intl - Portland, Toronto Island - Portland or Hamilton - Portland as they are the most popular.

  • Can I find deals for flights from Ontario to Portland that include hotel bookings?

    Yes. In addition to deals on Ontario to Portland flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Portland?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Portland.

  • Can I find deals for business class flights from Ontario to Portland?

    Yes. Cheapflights offers flight deals from Ontario to Portland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Region of Ontario to Portland?

    Currently, November is the cheapest month in which you can book a flight from Region of Ontario to Portland (average of $277). Flying from Region of Ontario to Portland in March is currently the most expensive (average of $369). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
Vancouver
Seaside
Beaverton
Clackamas
McMinnville
Lake Oswego
Hillsboro
Lincoln City
Cannon Beach
Long Beach
Longview
Tigard
Depoe Bay
Stevenson
Woodburn
Wilsonville
Pacific City
Troutdale
Tillamook
Gresham

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ontario to Portland

See prices for flight routes from nearby airports that may be better suited for you.
Vancouver Intl to Portland flights
Calgary to Portland flights
Kelowna to Portland flights
Pearson Intl to Portland flights
Toronto Island to Portland flights
Pierre Elliott Trudeau Intl to Portland flights
Hamilton to Portland flights
Calgary to Boise flights
Pearson Intl to Boise flights
Edmonton to Portland flights
Winnipeg to Portland flights
Winnipeg to Medford flights
Vancouver Intl to Redmond flights
Victoria to Portland flights
Vancouver Intl to Medford flights
Ottawa to Portland flights
Vancouver Intl to Boise flights
Pearson Intl to Eugene flights
Vancouver Intl to Eugene flights
Pierre Elliott Trudeau Intl to Boise flights
Edmonton to Eugene flights
Region of Waterloo Intl to Eugene flights
London to Portland flights
Fort St. John to Portland flights
Saskatoon to Portland flights
Hamilton to Eugene flights
Kamloops to Portland flights
St John to Portland flights
Windsor to Portland flights
Pearson Intl to North Bend flights

Top 5 airlines flying from Ontario to Portland

Discover the top 5 airlines that operate flights from Ontario to Portland. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated août 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$180Average$387FlexibilityNo cancel feeOn-time69%
DeltaCheapest$198Average$383FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$215Average$396FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$216Average$414FlexibilityNo cancel feeOn-time67%
Alaska AirlinesCheapest$282Average$415FlexibilityNo cancel feeOn-time75%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.