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Cheap flights from Ontario to Portland from C$ 218

YYZ — PDX
10 Oct — 17 Oct1
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

Fri 25/99:00 a.m. -
1 stop7h 50m
Sun 27/92:30 p.m. -
1 stop7h 35m
Deal found 8/9C$ 379
Fri 23/107:30 a.m. -
1 stop10h 16m
Fri 30/107:05 a.m. -
1 stop9h 30m
Deal found 9/9C$ 396
Sat 3/1011:23 a.m. -
1 stop13h 04m
Sat 10/1010:33 p.m. -
1 stop11h 36m
Deal found 6/9C$ 416
Fri 25/95:16 p.m. -
1 stop8h 41m
Tue 29/92:27 p.m. -
1 stop6h 32m
Deal found 10/9C$ 419
Thu 24/95:16 p.m. -
1 stop8h 41m
Sat 3/1010:33 p.m. -
1 stop10h 10m
Deal found 9/9C$ 421
Wed 7/107:15 a.m. -
1 stop9h 35m
Fri 16/102:30 p.m. -
1 stop13h 35m
Deal found 5/9C$ 421
Fri 23/1010:55 a.m. -
2 stops11h 16m
Tue 27/1010:00 a.m. -
1 stop6h 57m
Deal found 9/9C$ 430
Sat 26/96:00 a.m. -
1 stop7h 24m
Mon 28/912:25 a.m. -
1 stop8h 10m
Deal found 8/9C$ 432
Tue 6/106:00 a.m. -
1 stop7h 41m
Wed 7/1011:52 a.m. -
1 stop9h 07m
Deal found 8/9C$ 433
Mon 23/1112:20 p.m. -
1 stop12h 37m
Sat 28/1111:20 p.m. -
1 stop11h 10m
Deal found 8/9C$ 434
Thu 8/106:35 p.m. -
1 stop8h 59m
Sat 17/1010:33 p.m. -
1 stop11h 36m
Deal found 5/9C$ 434
Sat 24/1011:00 a.m. -
1 stop7h 56m
Sat 31/102:37 p.m. -
1 stop6h 22m
Deal found 9/9C$ 436

Find flight deals from Ontario to Portland

Round-trip from

C$ 379

One-way from

C$ 218

Popular in

December

Cheapest in

March

Average price

C$ 473
WestJet
  • WestJet
  • 25/9-27/9
  • 2 total stops
  • 15h 25m total
  • Ontario to Portland
Search Deals
Air Canada
  • Air Canada
  • 6/1-31/12
  • 1 total stop
  • 10h 11m total
  • Ontario to Portland
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (C$ 66 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 21 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2026
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Cheapflights Fare Finder

 
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

YKF Toronto Region of Waterloo Intl - PDX Portland

YKFPDX

Toronto Region of Waterloo Intl

Sun 11/10

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

1 stop20h 10m

Portland

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 244

TorontoPortland

YYZ Toronto Pearson Intl - PDX Portland

YYZPDX

Toronto Pearson Intl

Tue 3/11

7:00 a.m.-2:41 p.m.

1 stop10h 41m

Portland

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 245

TorontoPortland

YYZ Toronto Pearson Intl - PDX Portland

YYZPDX

Toronto Pearson Intl

Tue 6/10

6:30 a.m.-12:05 p.m.

1 stop8h 35m

Portland

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 258

TorontoPortland

YYZ Toronto Pearson Intl - PDX Portland

YYZPDX

Toronto Pearson Intl

Tue 15/12

6:45 a.m.-6:20 p.m.

3 stops14h 35m

Portland

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 258

TorontoPortland

YKF Toronto Region of Waterloo Intl - PDX Portland

YKFPDX

Toronto Region of Waterloo Intl

Tue 22/9

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

1 stop20h 10m

Portland

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 261

MontrealPortland

YUL Montreal Pierre Elliott Trudeau Intl - PDX Portland

YULPDX

Montreal Pierre Elliott Trudeau Intl

Wed 6/1

6:00 a.m.-4:27 p.m.

2 stops13h 27m

Portland

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 263

TorontoPortland

YYZ Toronto Pearson Intl - PDX Portland

YYZPDX

Toronto Pearson Intl

Mon 19/10

9:00 p.m.-11:33 a.m.

1 stop17h 33m

Portland

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 263

TorontoPortland

YYZ Toronto Pearson Intl - PDX Portland

YYZPDX

Toronto Pearson Intl

Sun 13/12

6:45 a.m.-11:26 a.m.

1 stop7h 41m

Portland

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 263

TorontoPortland

YYZ Toronto Pearson Intl - PDX Portland

YYZPDX

Toronto Pearson Intl

Sat 12/12

6:45 a.m.-2:36 p.m.

2 stops10h 51m

Portland

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 263

TorontoPortland

YYZ Toronto Pearson Intl - PDX Portland

YYZPDX

Toronto Pearson Intl

Tue 15/12

12:20 p.m.-9:56 p.m.

1 stop12h 36m

Portland

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 265

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/9

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

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, May is the cheapest month in which you can book a flight from Region of Ontario to Portland (average of C$ 477). Flying from Region of Ontario to Portland in March is currently the most expensive (average of C$ 611). 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?

Airfare is below average for this route at the moment.
Region of Ontario to Portland flights typically cost between C$ 407 and C$ 547 in September.
The cheapest round-trip price found within the last 5 days was C$ 379 on WestJet (25 Sep-27 Sep).

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 81 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

  • 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 29m. Region of Ontario and Portland are separated by a distance of 3383 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$ 169. However, be on the lookout for offers from Delta and United 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 Ottawa - 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, May is the cheapest month in which you can book a flight from Region of Ontario to Portland (average of C$ 477). Flying from Region of Ontario to Portland in March is currently the most expensive (average of C$ 611). 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
Salem
Cannon Beach
Lincoln City
Gresham

Browse thousands of different options on Cheapflights for your next trip

Top 5 airlines flying from Ontario to Portland

AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 199AverageC$ 470FlexibilityNo cancel feeOn-time60%
Search WestJet flights
DeltaCheapestC$ 211AverageC$ 467FlexibilityNo cancel feeOn-timeN/A
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Air CanadaCheapestC$ 231AverageC$ 663FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 386AverageC$ 656FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapestC$ 391AverageC$ 513FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

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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.

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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.

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