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Portland

$166+ 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 3/11. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — PDX
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Cheap 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 January 29, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/236:10 am
YYZ
-
PDX
2 stops10h 40m
WestJet
Tue 5/262:30 pm
PDX
-
YYZ
1 stop7h 35m
WestJet
Deal found 1/29$241
This Air Canada deal was found by Cheapflights users on 1/29. 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.
Fri 5/228:00 am
YYZ
-
PDX
2 stops9h 45m
Air Canada
Tue 5/263:25 pm
PDX
-
YYZ
1 stop7h 13m
Air Canada
Deal found 1/29$280
This Trip.com deal was found by Cheapflights users on 1/28. 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.
Fri 2/278:00 am
YYZ
-
PDX
1 stop9h 40m
Multiple Airlines
Sat 3/76:00 am
PDX
-
YYZ
1 stop6h 35m
Multiple Airlines
Deal found 1/28$284
This FlightHub deal was found by Cheapflights users on 1/29. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/2210:25 pm
YYZ
-
PDX
1 stop18h 25m
WestJet
Tue 5/262:30 pm
PDX
-
YYZ
1 stop7h 35m
WestJet
Deal found 1/29$285
This Delta deal was found by Cheapflights users on 1/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/2212:30 pm
YYZ
-
PDX
1 stop10h 45m
Delta
Mon 5/2510:55 pm
PDX
-
YYZ
1 stop11h 30m
Delta
Deal found 1/29$289
This Air Canada deal was found by Cheapflights users on 1/28. 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.
Wed 2/258:00 am
YYZ
-
PDX
1 stop9h 40m
Air Canada
Wed 3/47:05 pm
PDX
-
YYZ
1 stop8h 42m
Air Canada
Deal found 1/28$296
This United Airlines deal was found by Cheapflights users on 1/27. 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.
Mon 4/67:43 pm
YYZ
-
PDX
2 stops17h 05m
United Airlines
Wed 4/82:10 pm
PDX
-
YYZ
1 stop6h 49m
United Airlines
Deal found 1/27$298
This Air Canada deal was found by Cheapflights users on 1/29. 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.
Fri 5/228:00 am
YYZ
-
PDX
2 stops9h 45m
Air Canada
Sun 5/243:25 pm
PDX
-
YYZ
1 stop14h 38m
Air Canada
Deal found 1/29$299
This Delta deal was found by Cheapflights users on 1/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/32:15 pm
YYZ
-
PDX
1 stop10h 41m
Delta
Wed 5/611:15 pm
PDX
-
YYZ
1 stop11h 10m
Delta
Deal found 1/27$301
This United Airlines deal was found by Cheapflights users on 1/28. 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.
Wed 2/258:45 am
YYZ
-
PDX
2 stops15h 30m
United Airlines
Wed 3/47:00 am
PDX
-
YYZ
1 stop9h 45m
United Airlines
Deal found 1/28$302
This Air Canada deal was found by Cheapflights users on 1/29. 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.
Fri 5/228:00 am
YYZ
-
PDX
2 stops9h 45m
Air Canada
Mon 5/253:25 pm
PDX
-
YYZ
2 stops12h 24m
Air Canada
Deal found 1/29$304
This FlightHub deal was found by Cheapflights users on 1/29. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/226:10 pm
YHM
-
PDX
1 stop22h 40m
WestJet
Tue 5/262:30 pm
PDX
-
YHM
1 stop23h 45m
WestJet
Deal found 1/29$307

Find flight deals from Ontario to Portland

Keep the following information in mind while searching for Ontario to Portland flight deals. Data was last updated January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$284
(Trip.com)

One-way from

$166
(Kiwi.com)

Popular in

March

Cheapest in

July

Average price

$389
Provider with most accurate pricing for Toronto (YTO)-Portland flight deals.
Search Deals
Provider most trusted by Cheapflights users for Toronto (YTO)-Portland flights.
Search Deals
From Ontario to Portland
Search Deals
One-way flight from Ontario to Portland
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($34 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 January 29, 2026.
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

Fri 2/27

8:00 am-2:40 pm

1 stop9h 40m

Portland

Sat 3/7

6:00 am-3:35 pm

1 stop6h 35m

$284

TorontoPortland

YYZ - PDX

YYZPDX

Toronto Pearson Intl

Wed 2/25

8:00 am-2:40 pm

1 stop9h 40m

Portland

Wed 3/4

7:05 pm-6:47 am

1 stop8h 42m

$296

TorontoPortland

YYZ - PDX

YYZPDX

Toronto Pearson Intl

Sat 2/28

12:20 pm-10:08 pm

1 stop12h 48m

Portland

Tue 3/3

7:00 am-10:54 pm

1 stop12h 54m

$296

TorontoPortland

YYZ - PDX

YYZPDX

Toronto Pearson Intl

Fri 2/27

8:00 am-6:30 pm

2 stops13h 30m

Portland

Sat 3/7

9:50 am-10:56 pm

2 stops10h 06m

$296

TorontoPortland

YYZ - PDX

YYZPDX

Toronto Pearson Intl

Mon 4/6

1:00 pm-10:29 pm

1 stop12h 29m

Portland

Wed 4/8

8:05 am-7:02 pm

1 stop7h 57m

$298

TorontoPortland

YYZ - PDX

YYZPDX

Toronto Pearson Intl

Wed 2/25

8:45 am-9:15 pm

2 stops15h 30m

Portland

Wed 3/4

7:57 pm-9:58 am

2 stops11h 01m

$302

TorontoPortland

YYZ - PDX

YYZPDX

Toronto Pearson Intl

Fri 4/3

10:45 am-10:54 pm

1 stop15h 09m

Portland

Mon 4/6

11:59 pm-5:56 pm

1 stop14h 57m

$302

MontrealPortland

YUL - PDX

YULPDX

Montreal Pierre Elliott Trudeau Intl

Thu 2/19

12:30 pm-10:08 pm

1 stop12h 38m

Portland

Sun 3/1

12:40 am-1:40 pm

1 stop10h 00m

$343

MontrealPortland

YUL - PDX

YULPDX

Montreal Pierre Elliott Trudeau Intl

Fri 2/20

6:00 am-5:33 pm

2 stops14h 33m

Portland

Sun 2/22

6:00 am-11:10 pm

2 stops14h 10m

$345

MontrealPortland

YUL - PDX

YULPDX

Montreal Pierre Elliott Trudeau Intl

Fri 2/20

6:00 am-5:33 pm

2 stops14h 33m

Portland

Mon 2/23

9:45 pm-11:25 am

1 stop10h 40m

$345

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/26

Showing 1-10 of 60 results
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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, September is the cheapest month in which you can book a flight from Region of Ontario to Portland (average of $157). Flying from Region of Ontario to Portland in November is currently the most expensive (average of $279). 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.

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.

  • How long is the flight from Region of Ontario to Portland?

    Departing from Region of Ontario to Portland will take you 9h 40m. There are 2090 mi between Region of Ontario and Portland. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Region of Ontario to Portland one-way?

    $135 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on Air Canada and United Airlines, with prices starting from $158 and $164, respectively.

  • 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 Montreal Pierre Elliott Trudeau Intl - Portland, Toronto Pearson Intl - Portland or Toronto Island - 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, September is the cheapest month in which you can book a flight from Region of Ontario to Portland (average of $157). Flying from Region of Ontario to Portland in November is currently the most expensive (average of $279). 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
Clackamas
Lincoln City
Longview
Lake Oswego
Beaverton
Hillsboro
Troutdale
Cannon Beach
Long Beach
McMinnville
Tigard
The Dalles
Depoe Bay
Stevenson
Wilsonville
Tillamook
Pacific City
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.
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Pierre Elliott Trudeau Intl to Portland flights
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Edmonton to Eugene flights
Windsor to Portland flights

Top 4 airlines flying from Ontario to Portland

Discover the top 4 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 January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$149Average$408FlexibilityNo cancel feeOn-time67%
DeltaCheapest$170Average$397FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$271Average$387FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$282Average$396FlexibilityNo cancel feeOn-time71%

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