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Cheap flights from Ontario to Portland from C$ 185

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 20/8. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — PDX
23 Jun — 30 Jun1
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 24 May 2026.

Sun 26/76:10 a.m.
YYZ
-
PDX
2 stops10h 40m
WestJet
Thu 30/72:30 p.m.
PDX
-
YYZ
2 stops11h 40m
WestJet
Deal found 21/5C$ 294
Fri 21/89:00 a.m.
YYZ
-
PDX
1 stop7h 50m
WestJet
Sun 23/82:30 p.m.
PDX
-
YYZ
1 stop7h 35m
WestJet
Deal found 19/5C$ 297
Wed 15/79:00 a.m.
YYZ
-
PDX
1 stop7h 50m
WestJet
Fri 17/72:30 p.m.
PDX
-
YYZ
1 stop7h 35m
WestJet
Deal found 20/5C$ 300
Wed 15/77:00 a.m.
YYZ
-
PDX
1 stop9h 50m
WestJet
Wed 22/72:30 p.m.
PDX
-
YYZ
1 stop7h 35m
WestJet
Deal found 19/5C$ 303
Wed 7/106:10 a.m.
YYZ
-
PDX
2 stops10h 40m
WestJet
Wed 14/102:30 p.m.
PDX
-
YYZ
2 stops11h 40m
WestJet
Deal found 19/5C$ 314
Wed 15/78:00 a.m.
YYZ
-
PDX
1 stop8h 50m
WestJet
Sun 19/72:30 p.m.
PDX
-
YYZ
1 stop7h 35m
WestJet
Deal found 19/5C$ 321
Tue 14/77:00 a.m.
YYZ
-
PDX
1 stop9h 50m
WestJet
Thu 23/72:30 p.m.
PDX
-
YYZ
1 stop7h 35m
WestJet
Deal found 19/5C$ 322
Mon 27/72:25 p.m.
YYZ
-
PDX
2 stops26h 25m
WestJet
Sun 2/82:30 p.m.
PDX
-
YYZ
1 stop7h 35m
WestJet
Deal found 19/5C$ 325
Tue 14/77:00 a.m.
YYZ
-
PDX
1 stop9h 50m
WestJet
Wed 22/72:30 p.m.
PDX
-
YYZ
2 stops11h 40m
WestJet
Deal found 19/5C$ 326
Wed 29/79:00 a.m.
YYZ
-
PDX
1 stop7h 50m
WestJet
Wed 5/82:30 p.m.
PDX
-
YYZ
2 stops11h 40m
WestJet
Deal found 19/5C$ 327
Fri 21/86:10 a.m.
YYZ
-
PDX
2 stops10h 40m
WestJet
Sun 30/82:30 p.m.
PDX
-
YYZ
2 stops21h 50m
WestJet
Deal found 20/5C$ 329
Thu 9/77:15 a.m.
YUL
-
PDX
1 stop9h 35m
WestJet
Wed 15/72:30 p.m.
PDX
-
YUL
1 stop23h 00m
WestJet
Deal found 19/5C$ 352

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 24 May 2026.

Round-trip from

C$ 294

One-way from

C$ 185

Popular in

October

Cheapest in

August

Average price

C$ 475
WestJet
  • WestJet
  • 26/7-30/7
  • 4 total stops
  • 22h 20m total
  • Ontario to Portland
Search Deals
WestJet
  • WestJet
  • 20/8
  • 2 total stops
  • 10h 40m total
  • Ontario to Portland
Search Deals
High demand for flights, 0% potential price rise
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 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 24 May 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
Quickest round-trip

OttawaPortland

YOW - PDX

YOWPDX

Ottawa

Mon 27/7

7:20 a.m.-1:50 p.m.

1 stop9h 30m

Portland

Tue 28/7

2:30 p.m.-12:40 a.m.

1 stop7h 10m

C$ 413

TorontoPortland

YYZ - PDX

YYZPDX

Toronto Pearson Intl

Wed 15/7

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

1 stop15h 34m

Portland

Fri 17/7

10:52 p.m.-6:28 p.m.

1 stop16h 36m

C$ 442

TorontoPortland

YYZ - PDX

YYZPDX

Toronto Pearson Intl

Fri 7/8

2:24 p.m.-10:09 p.m.

1 stop10h 45m

Portland

Sun 9/8

11:20 p.m.-1:34 p.m.

1 stop11h 14m

C$ 445

TorontoPortland

YYZ - PDX

YYZPDX

Toronto Pearson Intl

Wed 2/9

10:45 a.m.-5:49 p.m.

1 stop10h 04m

Portland

Mon 7/9

11:02 p.m.-9:54 a.m.

1 stop7h 52m

C$ 445

TorontoPortland

YYZ - PDX

YYZPDX

Toronto Pearson Intl

Wed 22/7

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

1 stop15h 34m

Portland

Mon 27/7

11:40 p.m.-11:49 a.m.

1 stop9h 09m

C$ 445

TorontoPortland

YYZ - PDX

YYZPDX

Toronto Pearson Intl

Wed 3/6

6:00 a.m.-11:46 a.m.

1 stop8h 46m

Portland

Thu 11/6

6:35 a.m.-9:59 p.m.

1 stop12h 24m

C$ 446

TorontoPortland

YYZ - PDX

YYZPDX

Toronto Pearson Intl

Thu 4/6

2:20 p.m.-10:02 p.m.

1 stop10h 42m

Portland

Thu 11/6

6:35 a.m.-9:59 p.m.

1 stop12h 24m

C$ 446

TorontoPortland

YYZ - PDX

YYZPDX

Toronto Pearson Intl

Fri 5/6

1:34 p.m.-9:46 p.m.

1 stop11h 12m

Portland

Thu 11/6

6:35 a.m.-9:59 p.m.

1 stop12h 24m

C$ 446

TorontoPortland

YYZ - PDX

YYZPDX

Toronto Pearson Intl

Mon 31/8

2:15 p.m.-9:46 p.m.

1 stop10h 31m

Portland

Mon 7/9

10:55 p.m.-1:25 p.m.

1 stop11h 30m

C$ 446

TorontoPortland

YKF - PDX

YKFPDX

Toronto Region of Waterloo Intl

Mon 27/7

8:40 p.m.-1:50 p.m.

1 stop20h 10m

Portland

Sun 2/8

2:30 p.m.-7:50 p.m.

1 stop26h 20m

C$ 462

Flights are sorted by cheapest round-trip flights first.

Deals found on 21/5

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$ 117). Flying from Region of Ontario to Portland in November is currently the most expensive (average of C$ 304). 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?

How far ahead should I book a flight from Region of Ontario to Portland?

To ensure you get the cheapest price possible for a flight from Region of Ontario to Portland, you should look to book at least 16 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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 30m. Region of Ontario and Portland are separated by a distance of 3605 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$ 148. 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, 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$ 117). Flying from Region of Ontario to Portland in November is currently the most expensive (average of C$ 304). 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

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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 24 May 2026.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 200AverageC$ 433FlexibilityNo cancel feeOn-time60%
Search WestJet flights
DeltaCheapestC$ 211AverageC$ 477FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
American AirlinesCheapestC$ 244AverageC$ 423FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air CanadaCheapestC$ 285AverageC$ 635FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 370AverageC$ 582FlexibilityNo cancel feeOn-time69%
Search United Airlines 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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