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Cheap flights from Ontario to Portland from C$ 229

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 13/11. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — PDX
27 Nov — 4 Dec1
1 adult
1 adult, Economy, 0 bags

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 28 October 2025.

Round-trip from

C$ 387

One-way from

C$ 229

Popular in

December

Cheapest in

September

Average price

C$ 641
Air Canada
  • Air Canada
  • 19/11-26/11
  • 4 total stops
  • 24h 53m total
  • Ontario to Portland
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Air Canada
  • Air Canada
  • 13/11
  • 2 total stops
  • 13h 30m total
  • Ontario to Portland
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (C$ 32 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
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Find flight deals from Ontario to Portland

Enter your travel dates to find the best prices.

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 28 October 2025.

Wed 19/118:00 a.m.YYZ - PDX
2 stops13h 30mAir Canada
Wed 26/113:15 p.m.PDX - YYZ
2 stops11h 23mAir Canada
Deal found 28/10C$ 387
Mon 24/1110:35 p.m.YYZ - PDX
1 stop13h 40mAir Canada
Tue 2/129:50 a.m.PDX - YYZ
2 stops9h 51mAir Canada
Deal found 27/10C$ 393
Fri 14/119:00 p.m.YYZ - PDX
1 stop17h 48mMultiple Airlines
Mon 17/113:15 p.m.PDX - YYZ
2 stops11h 23mMultiple Airlines
Deal found 28/10C$ 394
Mon 10/112:57 p.m.YYZ - PDX
1 stop10h 08mUnited Airlines
Thu 13/113:54 p.m.PDX - YYZ
1 stop12h 36mUnited Airlines
Deal found 27/10C$ 400
Mon 10/116:10 a.m.YYZ - PDX
2 stops19h 41mUnited Airlines
Sun 16/1111:12 p.m.PDX - YYZ
1 stop15h 37mUnited Airlines
Deal found 27/10C$ 401
Tue 11/1112:25 p.m.YYZ - PDX
1 stop12h 56mDelta
Wed 19/1111:15 p.m.PDX - YYZ
1 stop6h 42mDelta
Deal found 28/10C$ 410
Sat 15/114:45 p.m.YUL - PDX
1 stop8h 48mMultiple Airlines
Mon 24/119:50 a.m.PDX - YUL
1 stop8h 10mMultiple Airlines
Deal found 27/10C$ 429
Tue 11/1112:25 p.m.YYZ - PDX
1 stop12h 56mDelta
Mon 17/117:59 p.m.PDX - YYZ
2 stops12h 19mDelta
Deal found 27/10C$ 432
Mon 24/1112:25 p.m.YYZ - PDX
1 stop12h 56mDelta
Mon 1/1211:15 p.m.PDX - YYZ
1 stop6h 38mDelta
Deal found 27/10C$ 438
Sat 15/116:00 a.m.YUL - PDX
2 stops15h 30mAir Canada
Mon 24/119:50 a.m.PDX - YUL
1 stop8h 10mAir Canada
Deal found 27/10C$ 439
Sat 15/117:10 a.m.YUL - PDX
1 stop8h 38mDelta
Mon 24/116:00 a.m.PDX - YUL
2 stops14h 26mDelta
Deal found 27/10C$ 442
Thu 4/1212:13 p.m.YYZ - PDX
2 stops13h 27mDelta
Sun 7/127:30 p.m.PDX - YYZ
2 stops10h 23mDelta
Deal found 28/10C$ 443

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 629,999 searches. Data last updated 28 October 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

Sun 11/1

10:45 a.m.-9:49 p.m.

1 stop14h 04m

Portland

Tue 20/1

9:50 a.m.-8:54 p.m.

1 stop8h 04m

C$ 387

TorontoPortland

YYZ - PDX

YYZPDX

Toronto Pearson Intl

Tue 24/2

3:45 p.m.-12:38 p.m.

2 stops23h 53m

Portland

Wed 25/2

3:50 p.m.-7:30 a.m.

1 stop12h 40m

C$ 392

TorontoPortland

YYZ - PDX

YYZPDX

Toronto Pearson Intl

Mon 24/11

10:35 p.m.-9:15 a.m.

1 stop13h 40m

Portland

Tue 2/12

9:50 a.m.-10:41 p.m.

2 stops9h 51m

C$ 393

TorontoPortland

YYZ - PDX

YYZPDX

Toronto Pearson Intl

Mon 23/2

4:45 p.m.-10:26 p.m.

1 stop8h 41m

Portland

Thu 26/2

9:30 p.m.-3:35 p.m.

1 stop15h 05m

C$ 394

TorontoPortland

YYZ - PDX

YYZPDX

Toronto Pearson Intl

Wed 10/12

5:55 p.m.-12:37 a.m.

1 stop9h 42m

Portland

Sat 13/12

5:00 a.m.-3:02 p.m.

1 stop7h 02m

C$ 394

TorontoPortland

YYZ - PDX

YYZPDX

Toronto Pearson Intl

Fri 14/11

9:00 p.m.-11:48 a.m.

1 stop17h 48m

Portland

Mon 17/11

3:15 p.m.-5:38 a.m.

2 stops11h 23m

C$ 394

TorontoPortland

YYZ - PDX

YYZPDX

Toronto Pearson Intl

Wed 12/11

6:05 p.m.-10:05 p.m.

1 stop7h 00m

Portland

Wed 19/11

11:15 p.m.-8:57 a.m.

1 stop6h 42m

C$ 400

TorontoPortland

YYZ - PDX

YYZPDX

Toronto Pearson Intl

Mon 10/11

2:57 p.m.-10:05 p.m.

1 stop10h 08m

Portland

Sat 15/11

5:00 a.m.-3:02 p.m.

1 stop7h 02m

C$ 400

MontrealPortland

YUL - PDX

YULPDX

Montreal Pierre Elliott Trudeau Intl

Sat 15/11

2:13 p.m.-8:29 p.m.

1 stop9h 16m

Portland

Mon 24/11

9:50 a.m.-9:00 p.m.

1 stop8h 10m

C$ 429

MontrealPortland

YUL - PDX

YULPDX

Montreal Pierre Elliott Trudeau Intl

Sat 15/11

6:00 a.m.-6:30 p.m.

2 stops15h 30m

Portland

Mon 24/11

9:50 a.m.-9:00 p.m.

1 stop8h 10m

C$ 439

Flights are sorted by cheapest round-trip flights first.

Deals found on 26/10

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 C$ 220). Flying from Region of Ontario to Portland in November is currently the most expensive (average of C$ 390). 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 28 October 2025.

A simple way to save on the total cost of your ticket is to fly from Region of Ontario to Portland in the evening. If you’re flexible enough to do this you can expect to save up to 42% on your trip compared to booking a flight at noon.

What is the cheapest day to fly from Region of Ontario to Portland?

Use this chart to determine the cheapest time to fly round-trip from Ontario to Portland. Price data was last updated on 16 December 2024.

Travelers seeking maximum savings on their Region of Ontario to Portland flight should consider departing on Saturday evenings when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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?

    Located just 9.7 km from the city centre, Portland (PDX) is the airport most travelers will use when flying to Portland from Ontario.

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

    Departing from Region of Ontario to Portland will take you 13h 20m. Region of Ontario and Portland are separated by a distance of 3742 km. Both multi-stop and direct flights can be found to your destination and back.

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

    The cheapest airline one-way is Air Canada, with whom users have recently found tickets for as low as C$ 231. However, be on the lookout for offers from United Airlines and American Airlines, as they are both options that can get you from Region of Ontario to Portland for a low price.

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

    Most travellers choose Toronto Pearson Intl - Portland, Montreal Pierre Elliott Trudeau Intl - Portland or Toronto Island - Portland when deciding on the best route from Region of Ontario to Portland.

  • 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 C$ 220). Flying from Region of Ontario to Portland in November is currently the most expensive (average of C$ 390). 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

Travelling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
Vancouver
Seaside
Tillamook
Cannon Beach
Lincoln City

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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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Pearson Intl to Portland flights
Pierre Elliott Trudeau Intl to Portland flights
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Pearson Intl to North Bend flights
Calgary to North Bend flights
Winnipeg to Medford flights
Hamilton to Eugene flights
Region of Waterloo Intl to Eugene flights
Pierre Elliott Trudeau Intl to Redmond flights

Top 6 airlines flying from Ontario to Portland

Discover the top 6 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 629,999 searches. Data last updated 28 October 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapestC$ 253AverageC$ 511FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
WestJetCheapestC$ 304AverageC$ 481FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Alaska AirlinesCheapestC$ 366AverageC$ 466FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
United AirlinesCheapestC$ 383AverageC$ 594FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapestC$ 391AverageC$ 491FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air CanadaCheapestC$ 398AverageC$ 684FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Ontario to Portland?

Cheapflights makes it easy to find Ontario to Portland flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Ontario to Portland?

Millions of users choose and trust Cheapflights to book the best flight deals from Ontario to Portland for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Ontario to Portland with no change fees?

Yes, we can. To see specific flights from Ontario to Portland with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Ontario to Portland become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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