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$164+ 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 11/13. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — PDX
Nov 28 — Dec 51
Fri 11/28
Fri 12/5
1 adult, Economy
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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 October 29, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$267
(Air Canada)

One-way from

$164
(Air Canada)

Popular in

December

Cheapest in

September

Average price

$458
Provider with most accurate pricing for Toronto (YTO)-Portland flight deals.
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Provider most trusted by Cheapflights users for Toronto (YTO)-Portland flights.
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From Ontario to Portland
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One-way flight from Ontario to Portland
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Highest demand for flights based on searches. 4% potential increase in price ($17 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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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 October 29, 2025.

This Air Canada deal was found by Cheapflights users on 10/28. 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 11/198:00 amYYZ - PDX
2 stops13h 30mAir Canada
Wed 11/263:15 pmPDX - YYZ
2 stops11h 23mAir Canada
Deal found 10/28$277
This Mytrip deal was found by Cheapflights users on 10/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/2410:35 pmYYZ - PDX
1 stop13h 40mAir Canada
Tue 12/29:50 amPDX - YYZ
2 stops9h 51mAir Canada
Deal found 10/27$281
This United deal was found by Cheapflights users on 10/28. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/149:00 pmYYZ - PDX
1 stop17h 48mMultiple Airlines
Mon 11/173:15 pmPDX - YYZ
2 stops11h 23mMultiple Airlines
Deal found 10/28$282
This United Airlines deal was found by Cheapflights users on 10/27. 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 11/102:57 pmYYZ - PDX
1 stop10h 08mUnited Airlines
Tue 11/186:00 amPDX - YYZ
1 stop7h 52mUnited Airlines
Deal found 10/27$286
This United Airlines deal was found by Cheapflights users on 10/27. 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 11/102:57 pmYYZ - PDX
1 stop10h 08mUnited Airlines
Sun 11/1611:12 pmPDX - YYZ
1 stop15h 37mUnited Airlines
Deal found 10/27$287
This Delta deal was found by Cheapflights users on 10/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1112:25 pmYYZ - PDX
1 stop12h 56mDelta
Wed 11/1911:15 pmPDX - YYZ
1 stop6h 42mDelta
Deal found 10/28$293
This United deal was found by Cheapflights users on 10/28. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/152:13 pmYUL - PDX
1 stop9h 16mMultiple Airlines
Mon 11/249:50 amPDX - YUL
1 stop8h 10mMultiple Airlines
Deal found 10/28$307
This Delta deal was found by Cheapflights users on 10/27. 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.
Tue 11/1112:25 pmYYZ - PDX
1 stop12h 56mDelta
Mon 11/177:59 pmPDX - YYZ
2 stops12h 19mDelta
Deal found 10/27$309
This Delta deal was found by Cheapflights users on 10/27. 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.
Mon 11/2412:25 pmYYZ - PDX
1 stop12h 56mDelta
Mon 12/111:15 pmPDX - YYZ
1 stop6h 38mDelta
Deal found 10/27$313
This Mytrip deal was found by Cheapflights users on 10/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/156:00 amYUL - PDX
2 stops15h 30mAir Canada
Mon 11/249:50 amPDX - YUL
1 stop8h 10mAir Canada
Deal found 10/27$314
This Delta deal was found by Cheapflights users on 10/27. 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.
Sat 11/157:10 amYUL - PDX
1 stop8h 38mDelta
Mon 11/2410:10 pmPDX - YUL
2 stops14h 45mDelta
Deal found 10/27$316
This Delta deal was found by Cheapflights users on 10/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/412:13 pmYYZ - PDX
2 stops13h 27mDelta
Sun 12/77:30 pmPDX - YYZ
2 stops10h 23mDelta
Deal found 10/28$317

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 October 29, 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

Wed 12/24

9:00 pm-11:58 am

1 stop17h 58m

Portland

Fri 1/30

7:00 pm-6:19 am

1 stop8h 19m

$277

TorontoPortland

YYZ - PDX

YYZPDX

Toronto Pearson Intl

Sun 1/11

10:45 am-9:49 pm

1 stop14h 04m

Portland

Tue 1/20

9:50 am-8:54 pm

1 stop8h 04m

$277

TorontoPortland

YYZ - PDX

YYZPDX

Toronto Pearson Intl

Tue 2/24

3:45 pm-12:38 pm

2 stops23h 53m

Portland

Wed 2/25

3:50 pm-7:30 am

1 stop12h 40m

$280

TorontoPortland

YYZ - PDX

YYZPDX

Toronto Pearson Intl

Mon 11/24

10:35 pm-9:15 am

1 stop13h 40m

Portland

Tue 12/2

9:50 am-10:41 pm

2 stops9h 51m

$281

TorontoPortland

YYZ - PDX

YYZPDX

Toronto Pearson Intl

Mon 2/23

4:45 pm-10:26 pm

1 stop8h 41m

Portland

Thu 2/26

9:30 pm-3:35 pm

1 stop15h 05m

$282

TorontoPortland

YYZ - PDX

YYZPDX

Toronto Pearson Intl

Wed 12/10

5:55 pm-12:37 am

1 stop9h 42m

Portland

Sat 12/13

5:00 am-3:02 pm

1 stop7h 02m

$282

TorontoPortland

YYZ - PDX

YYZPDX

Toronto Pearson Intl

Fri 11/14

9:00 pm-11:48 am

1 stop17h 48m

Portland

Mon 11/17

3:15 pm-5:38 am

2 stops11h 23m

$282

MontrealPortland

YUL - PDX

YULPDX

Montreal Pierre Elliott Trudeau Intl

Sat 11/15

2:13 pm-8:29 pm

1 stop9h 16m

Portland

Mon 11/24

9:50 am-9:00 pm

1 stop8h 10m

$307

MontrealPortland

YUL - PDX

YULPDX

Montreal Pierre Elliott Trudeau Intl

Sat 11/15

6:00 am-6:30 pm

2 stops15h 30m

Portland

Mon 11/24

9:50 am-9:00 pm

1 stop8h 10m

$314

MontrealPortland

YUL - PDX

YULPDX

Montreal Pierre Elliott Trudeau Intl

Sat 11/15

6:00 am-4:20 pm

2 stops13h 20m

Portland

Sun 11/23

12:35 am-5:21 pm

2 stops13h 46m

$316

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/26

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.

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 October 29, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 57% on flights from Region of Ontario to Portland by exploring options for tickets in the evening.

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 13h 20m. There are 2325 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?

    $165 is the cheapest one-way deal found within the past few days, from Air Canada. You may also be able to find cheap deals on United Airlines and Delta, with prices starting from $169 and $223, 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 Toronto Pearson Intl - Portland, Montreal Pierre Elliott Trudeau 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
Lake Oswego
Beaverton
McMinnville
Hillsboro
Cannon Beach
Long Beach
Longview
Tigard
The Dalles
Depoe Bay
Stevenson
Wilsonville
Pacific City
Gresham
Tillamook
Troutdale

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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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 October 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$170Average$397FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$274Average$412FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$282Average$396FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$284Average$387FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$286Average$398FlexibilityNo cancel feeOn-time75%

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