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Cheap flights from Ontario to Portland from C$ 206

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
7 Aug — 14 Aug1
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 8 July 2026.

Thu 29/108:00 a.m.
YYZ
-
PDX
2 stops9h 41m
Air Canada
Mon 2/117:00 a.m.
PDX
-
YYZ
2 stops13h 40m
Air Canada
Deal found 7/7C$ 367
Thu 27/84:18 p.m.
YYZ
-
PDX
1 stop9h 36m
Lufthansa
Sat 5/911:02 p.m.
PDX
-
YYZ
1 stop11h 40m
Lufthansa
Deal found 7/7C$ 372
Wed 11/1110:53 a.m.
YYZ
-
PDX
2 stops16h 42m
United Airlines
Sun 15/115:30 a.m.
PDX
-
YYZ
1 stop7h 38m
United Airlines
Deal found 6/7C$ 374
Mon 12/109:00 p.m.
YYZ
-
PDX
1 stop15h 31m
United Airlines
Fri 16/103:23 p.m.
PDX
-
YYZ
1 stop12h 37m
United Airlines
Deal found 7/7C$ 381
Thu 10/124:00 p.m.
YYZ
-
PDX
1 stop7h 49m
United Airlines
Thu 31/128:46 a.m.
PDX
-
YYZ
1 stop7h 48m
United Airlines
Deal found 7/7C$ 382
Sat 22/89:15 a.m.
YUL
-
PDX
2 stops12h 56m
Air Canada
Sat 29/83:30 p.m.
PDX
-
YUL
2 stops12h 40m
Air Canada
Deal found 7/7C$ 382
Fri 28/812:45 p.m.
YYZ
-
PDX
1 stop10h 25m
United Airlines
Sat 5/911:02 p.m.
PDX
-
YYZ
1 stop9h 47m
United Airlines
Deal found 7/7C$ 386
Tue 28/79:00 p.m.
YYZ
-
PDX
1 stop15h 34m
United Airlines
Tue 11/82:27 p.m.
PDX
-
YYZ
1 stop16h 27m
United Airlines
Deal found 8/7C$ 392
Thu 15/107:55 a.m.
YYZ
-
PDX
2 stops14h 11m
Air Canada
Tue 20/103:30 p.m.
PDX
-
YYZ
2 stops12h 11m
Air Canada
Deal found 7/7C$ 394
Fri 24/72:24 p.m.
YYZ
-
PDX
1 stop10h 24m
Delta
Sun 26/711:15 p.m.
PDX
-
YYZ
1 stop11h 19m
Delta
Deal found 7/7C$ 406
Thu 15/1010:45 a.m.
YYZ
-
PDX
1 stop15h 08m
United Airlines
Tue 20/108:30 a.m.
PDX
-
YYZ
1 stop12h 29m
United Airlines
Deal found 3/7C$ 408
Tue 4/811:40 a.m.
YYZ
-
PDX
1 stop13h 04m
Delta
Tue 11/86:00 a.m.
PDX
-
YYZ
1 stop9h 34m
Delta
Deal found 7/7C$ 411

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 8 July 2026.

Round-trip from

C$ 367

One-way from

C$ 206

Popular in

October

Cheapest in

March

Average price

C$ 474
Air Canada
  • Air Canada
  • 29/10-2/11
  • 4 total stops
  • 23h 21m total
  • Ontario to Portland
Search Deals
WestJet
  • WestJet
  • 20/8
  • 2 total stops
  • 10h 40m total
  • Ontario to Portland
Search Deals
Highest demand for flights based on searches. 1% potential increase in price (C$ 12 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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 8 July 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 11/11

10:53 a.m.-12:35 a.m.

2 stops16h 42m

Portland

Sun 15/11

5:30 a.m.-4:08 p.m.

1 stop7h 38m

C$ 374

TorontoPortland

YYZ - PDX

YYZPDX

Toronto Pearson Intl

Thu 10/12

4:00 p.m.-8:49 p.m.

1 stop7h 49m

Portland

Thu 31/12

8:46 a.m.-7:34 p.m.

1 stop7h 48m

C$ 382

TorontoPortland

YYZ - PDX

YYZPDX

Toronto Pearson Intl

Tue 28/7

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

1 stop15h 34m

Portland

Tue 11/8

2:27 p.m.-9:54 a.m.

1 stop16h 27m

C$ 392

TorontoPortland

YYZ - PDX

YYZPDX

Toronto Pearson Intl

Tue 28/7

11:40 a.m.-9:44 p.m.

1 stop13h 04m

Portland

Tue 11/8

6:00 a.m.-6:34 p.m.

1 stop9h 34m

C$ 428

TorontoPortland

YYZ - PDX

YYZPDX

Toronto Pearson Intl

Wed 21/10

4:18 p.m.-10:53 p.m.

1 stop9h 35m

Portland

Sat 24/10

11:30 p.m.-9:47 a.m.

1 stop7h 17m

C$ 428
Quickest round-trip

TorontoPortland

YYZ - PDX

YYZPDX

Toronto Pearson Intl

Fri 21/8

4:18 p.m.-9:05 p.m.

1 stop7h 47m

Portland

Tue 25/8

2:27 p.m.-11:59 p.m.

1 stop6h 32m

C$ 436

MontrealPortland

YUL - PDX

YULPDX

Montreal Pierre Elliott Trudeau Intl

Wed 30/9

9:15 a.m.-8:10 p.m.

1 stop13h 55m

Portland

Wed 7/10

1:03 p.m.-8:16 a.m.

1 stop16h 13m

C$ 436

MontrealPortland

YUL - PDX

YULPDX

Montreal Pierre Elliott Trudeau Intl

Tue 13/10

6:35 p.m.-10:15 a.m.

1 stop18h 40m

Portland

Sat 17/10

2:27 p.m.-10:40 a.m.

1 stop17h 13m

C$ 436

MontrealPortland

YUL - PDX

YULPDX

Montreal Pierre Elliott Trudeau Intl

Tue 13/10

12:50 p.m.-11:47 p.m.

2 stops13h 57m

Portland

Sat 17/10

7:00 a.m.-11:27 p.m.

2 stops13h 27m

C$ 440

TorontoPortland

YYZ - PDX

YYZPDX

Toronto Pearson Intl

Fri 28/8

5:27 p.m.-10:52 p.m.

1 stop8h 25m

Portland

Tue 1/9

8:17 a.m.-8:44 p.m.

1 stop9h 27m

C$ 442

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/7

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$ 121). Flying from Region of Ontario to Portland in November is currently the most expensive (average of C$ 313). 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 83 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 13h 04m. 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$ 174. However, be on the lookout for offers from American Airlines and Air Canada, 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$ 121). Flying from Region of Ontario to Portland in November is currently the most expensive (average of C$ 313). 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
Salem
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 8 July 2026.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 205AverageC$ 485FlexibilityNo cancel feeOn-time60%
Search WestJet flights
DeltaCheapestC$ 217AverageC$ 495FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
American AirlinesCheapestC$ 250AverageC$ 435FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air CanadaCheapestC$ 294AverageC$ 653FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 392AverageC$ 652FlexibilityNo 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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