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Cheap flights from Ontario to Portland from C$ 190

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 24/5. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — PDX
2 May — 9 May1
1 adult
1 adult, Economy, 0 bags

Cheap 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 2 April 2026.

Wed 30/96:10 a.m.
YYZ
-
PDX
2 stops10h 40m
WestJet
Wed 14/102:30 p.m.
PDX
-
YYZ
2 stops11h 40m
WestJet
Deal found 30/3C$ 290
Wed 2/96:10 a.m.
YYZ
-
PDX
2 stops10h 40m
WestJet
Tue 8/92:30 p.m.
PDX
-
YYZ
2 stops11h 40m
WestJet
Deal found 29/3C$ 297
Mon 27/46:10 a.m.
YYZ
-
PDX
2 stops10h 40m
WestJet
Wed 6/52:30 p.m.
PDX
-
YYZ
2 stops11h 40m
WestJet
Deal found 29/3C$ 299
Wed 6/56:10 a.m.
YYZ
-
PDX
2 stops10h 40m
WestJet
Mon 11/52:30 p.m.
PDX
-
YYZ
2 stops11h 40m
WestJet
Deal found 29/3C$ 304
Wed 29/47:00 a.m.
YYZ
-
PDX
1 stop9h 50m
WestJet
Wed 6/52:30 p.m.
PDX
-
YYZ
2 stops11h 40m
WestJet
Deal found 30/3C$ 307
Tue 18/88:40 p.m.
YKF
-
PDX
1 stop20h 10m
WestJet
Tue 25/82:30 p.m.
PDX
-
YKF
1 stop26h 20m
WestJet
Deal found 2/4C$ 368
Sat 19/98:10 a.m.
YUL
-
PDX
2 stops13h 56m
Air Canada
Sun 27/93:30 p.m.
PDX
-
YUL
2 stops15h 25m
Air Canada
Deal found 30/3C$ 376
Thu 21/57:15 a.m.
YUL
-
PDX
1 stop9h 35m
WestJet
Thu 28/52:30 p.m.
PDX
-
YUL
1 stop13h 35m
WestJet
Deal found 28/3C$ 382
Tue 11/87:15 a.m.
YUL
-
PDX
1 stop9h 35m
WestJet
Tue 25/82:30 p.m.
PDX
-
YUL
1 stop13h 35m
WestJet
Deal found 29/3C$ 383
Thu 23/76:35 p.m.
YUL
-
PDX
1 stop9h 15m
United Airlines
Tue 11/83:43 p.m.
PDX
-
YUL
1 stop13h 33m
United Airlines
Deal found 29/3C$ 395
Fri 1/53:45 p.m.
YUL
-
PDX
1 stop11h 09m
American Airlines
Thu 7/512:59 a.m.
PDX
-
YUL
1 stop10h 45m
American Airlines
Deal found 28/3C$ 397
Sat 2/56:10 p.m.
YHM
-
PDX
1 stop22h 40m
WestJet
Fri 8/52:30 p.m.
PDX
-
YHM
1 stop23h 45m
WestJet
Deal found 29/3C$ 400

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 2 April 2026.

Round-trip from

C$ 297

One-way from

C$ 190

Popular in

October

Cheapest in

March

Average price

C$ 492
WestJet
  • WestJet
  • 2/9-8/9
  • 4 total stops
  • 22h 20m total
  • Ontario to Portland
Search Deals
WestJet
  • WestJet
  • 24/5
  • 1 total stop
  • 7h 50m total
  • Ontario to Portland
Search Deals
Highest demand for flights based on searches. 1% potential increase in price (C$ 7 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 19 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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 629,999 searches. Data last updated 2 April 2026.
Use the filters below to find and compare flights from Ontario to Portland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TorontoPortland

YYZ - PDX

YYZPDX

Toronto Pearson Intl

Wed 2/9

7:00 a.m.-1:50 p.m.

1 stop9h 50m

Portland

Tue 8/9

2:30 p.m.-1:05 a.m.

1 stop7h 35m

C$ 303

TorontoPortland

YYZ - PDX

YYZPDX

Toronto Pearson Intl

Thu 4/6

5:16 p.m.-12:50 a.m.

1 stop10h 34m

Portland

Sun 7/6

11:40 p.m.-9:54 a.m.

1 stop7h 14m

C$ 375

TorontoPortland

YYZ - PDX

YYZPDX

Toronto Pearson Intl

Sat 9/5

7:00 a.m.-10:35 p.m.

1 stop18h 35m

Portland

Tue 12/5

11:55 p.m.-11:49 a.m.

1 stop8h 54m

C$ 382

TorontoPortland

YYZ - PDX

YYZPDX

Toronto Pearson Intl

Thu 28/5

5:16 p.m.-12:50 a.m.

1 stop10h 34m

Portland

Wed 10/6

11:40 p.m.-9:54 a.m.

1 stop7h 14m

C$ 382

TorontoPortland

YYZ - PDX

YYZPDX

Toronto Pearson Intl

Thu 14/5

6:10 a.m.-10:59 p.m.

1 stop19h 49m

Portland

Sun 17/5

5:00 a.m.-9:32 p.m.

1 stop13h 32m

C$ 382

TorontoPortland

YYZ - PDX

YYZPDX

Toronto Pearson Intl

Thu 23/7

2:45 p.m.-10:30 p.m.

1 stop10h 45m

Portland

Wed 29/7

10:40 p.m.-9:54 a.m.

1 stop8h 14m

C$ 382

TorontoPortland

YYZ - PDX

YYZPDX

Toronto Pearson Intl

Wed 1/7

9:00 p.m.-9:34 a.m.

1 stop15h 34m

Portland

Wed 8/7

1:14 p.m.-7:00 a.m.

1 stop14h 46m

C$ 382
Quickest round-trip

TorontoPortland

YYZ - PDX

YYZPDX

Toronto Pearson Intl

Thu 28/5

2:30 p.m.-8:19 p.m.

1 stop8h 49m

Portland

Sat 6/6

11:40 p.m.-9:54 a.m.

1 stop7h 14m

C$ 382

TorontoPortland

YYZ - PDX

YYZPDX

Toronto Pearson Intl

Fri 24/7

2:45 p.m.-12:02 a.m.

1 stop12h 17m

Portland

Sun 26/7

10:40 p.m.-9:54 a.m.

1 stop8h 14m

C$ 382

TorontoPortland

YYZ - PDX

YYZPDX

Toronto Pearson Intl

Sat 2/5

10:45 a.m.-5:44 p.m.

1 stop9h 59m

Portland

Fri 8/5

10:15 p.m.-11:43 a.m.

1 stop10h 28m

C$ 382

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/3

Showing 1-10 of 60 resultsSorted by cheapest first
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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$ 218). Flying from Region of Ontario to Portland in March is currently the most expensive (average of C$ 411). 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.

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 9h 50m. Region of Ontario and Portland are separated by a distance of 3364 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 WestJet, with whom users have recently found tickets for as low as C$ 149. However, be on the lookout for offers from Air Canada 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, Toronto Island - Portland or Montreal Pierre Elliott Trudeau Intl - 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$ 218). Flying from Region of Ontario to Portland in March is currently the most expensive (average of C$ 411). 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
Tillamook
Cannon Beach
Lincoln City

Browse thousands of different options on Cheapflights for your next trip

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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 629,999 searches. Data last updated 2 April 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapestC$ 245AverageC$ 438FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
WestJetCheapestC$ 248AverageC$ 422FlexibilityNo cancel feeOn-time60%
Search WestJet flights
United AirlinesCheapestC$ 372AverageC$ 568FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 388AverageC$ 664FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
DeltaCheapestC$ 399AverageC$ 478FlexibilityNo cancel feeOn-timeN/A
Search Delta 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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