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Cheap flights from Ontario to Portland from C$ 112

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 12/8. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — PDX
22 Apr — 29 Apr1
1 adult

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 17 April 2025.

Round-trip from

C$ 223

One-way from

C$ 114

Popular in

March

Cheapest in

September

Average price

C$ 562

Good one-way deal

C$ 988 or less
WestJet
  • WestJet
  • 19/5-29/5
  • 2 total stops
  • 17h 48m total
  • Ontario to Portland
WestJet
  • WestJet
  • 2/7
  • 1 total stop
  • 9h 52m total
  • Ontario to Portland
Highest demand for flights based on searches. 10% potential increase in price (C$ 83 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease (C$ 25 potential savings vs. average RT price).
Average for round-trip flights in April 2025
Price to beat on a one-way flight from Ontario to Portland.

Find flight deals from Ontario to Portland

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 17 April 2025.

Fri 18/76:00 a.m.YHM - PDX
1 stop9h 52mWestJet
Tue 22/71:45 p.m.PDX - YHM
1 stop7h 56mWestJet
Deal found 17/4C$ 216
Sat 31/56:10 a.m.YOW - PDX
2 stops9h 55mWestJet
Sat 7/61:45 p.m.PDX - YOW
1 stop7h 56mWestJet
Deal found 15/4C$ 336
Fri 13/65:30 p.m.YUL - PDX
1 stop22h 22mWestJet
Tue 17/61:45 p.m.PDX - YUL
1 stop7h 58mWestJet
Deal found 17/4C$ 358
Wed 6/87:30 a.m.YUL - PDX
1 stop10h 15mAir Canada
Mon 11/87:35 p.m.PDX - YUL
1 stop9h 41mAir Canada
Deal found 17/4C$ 367
Wed 30/411:25 a.m.YYZ - PDX
1 stop9h 40mMultiple Airlines
Wed 7/51:37 p.m.PDX - YYZ
2 stops13h 37mMultiple Airlines
Deal found 17/4C$ 388
Tue 20/56:30 a.m.YYZ - PDX
1 stop9h 09mAir Canada
Wed 28/58:30 a.m.PDX - YYZ
1 stop9h 14mAir Canada
Deal found 17/4C$ 392
Fri 20/610:20 p.m.YYZ - PDX
2 stops17h 32mWestJet
Tue 24/61:45 p.m.PDX - YYZ
1 stop7h 39mWestJet
Deal found 17/4C$ 394
Wed 21/57:00 p.m.YYZ - PDX
1 stop8h 31mUnited Airlines
Mon 26/56:43 p.m.PDX - YYZ
1 stop15h 13mUnited Airlines
Deal found 17/4C$ 398
Tue 6/510:35 a.m.YYZ - PDX
2 stops13h 46mAmerican Airlines
Tue 6/511:59 p.m.PDX - YYZ
1 stop13h 26mAmerican Airlines
Deal found 17/4C$ 415
Mon 2/69:25 a.m.YKF - PDX
1 stop12h 20mMultiple Airlines
Tue 10/61:45 p.m.PDX - YKF
1 stop8h 01mMultiple Airlines
Deal found 17/4C$ 419
Mon 5/56:15 a.m.YUL - PDX
1 stop19h 21mUnited Airlines
Wed 7/55:00 a.m.PDX - YUL
1 stop7h 26mUnited Airlines
Deal found 17/4C$ 419
Tue 17/66:04 a.m.YYZ - PDX
1 stop9h 01mDelta
Thu 26/69:30 p.m.PDX - YYZ
1 stop11h 43mDelta
Deal found 17/4C$ 420

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 17 April 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

HamiltonPortland

YHM - PDX

YHMPDX

Hamilton

Fri 18/7

6:00 a.m.-12:52 p.m.

1 stop9h 52m

Portland

Tue 22/7

1:45 p.m.-12:41 a.m.

1 stop7h 56m

C$ 216

OttawaPortland

YOW - PDX

YOWPDX

Ottawa

Sat 31/5

6:10 a.m.-1:05 p.m.

2 stops9h 55m

Portland

Sat 7/6

1:45 p.m.-12:41 a.m.

1 stop7h 56m

C$ 336

MontrealPortland

YUL - PDX

YULPDX

Montreal Pierre Elliott Trudeau Intl

Fri 13/6

5:30 p.m.-12:52 p.m.

1 stop22h 22m

Portland

Tue 17/6

1:45 p.m.-12:43 a.m.

1 stop7h 58m

C$ 358

MontrealPortland

YUL - PDX

YULPDX

Montreal Pierre Elliott Trudeau Intl

Wed 6/8

7:30 a.m.-2:45 p.m.

1 stop10h 15m

Portland

Mon 11/8

7:35 p.m.-8:16 a.m.

1 stop9h 41m

C$ 367

TorontoPortland

YYZ - PDX

YYZPDX

Toronto Pearson Intl

Wed 30/4

11:25 a.m.-6:05 p.m.

1 stop9h 40m

Portland

Wed 7/5

1:37 p.m.-6:14 a.m.

2 stops13h 37m

C$ 388

TorontoPortland

YYZ - PDX

YYZPDX

Toronto Pearson Intl

Tue 20/5

6:30 a.m.-12:39 p.m.

1 stop9h 09m

Portland

Wed 28/5

8:30 a.m.-8:44 p.m.

1 stop9h 14m

C$ 392

TorontoPortland

YYZ - PDX

YYZPDX

Toronto Pearson Intl

Fri 20/6

10:20 p.m.-12:52 p.m.

2 stops17h 32m

Portland

Tue 24/6

1:45 p.m.-12:24 a.m.

1 stop7h 39m

C$ 394

TorontoPortland

YYZ - PDX

YYZPDX

Toronto Pearson Intl

Wed 21/5

7:00 p.m.-12:31 a.m.

1 stop8h 31m

Portland

Mon 26/5

6:43 p.m.-12:56 p.m.

1 stop15h 13m

C$ 398

TorontoPortland

YYZ - PDX

YYZPDX

Toronto Pearson Intl

Tue 6/5

10:35 a.m.-9:21 p.m.

2 stops13h 46m

Portland

Tue 6/5

11:59 p.m.-4:25 p.m.

1 stop13h 26m

C$ 415

TorontoPortland

YKF - PDX

YKFPDX

Toronto Region of Waterloo Intl

Mon 2/6

9:25 a.m.-6:45 p.m.

1 stop12h 20m

Portland

Tue 10/6

1:45 p.m.-12:46 a.m.

1 stop8h 01m

C$ 419

Flights are sorted by cheapest round-trip flights first.

Deals found on 17/4

Showing 1-10 of 40 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, August is the cheapest month in which you can book a flight from Region of Ontario to Portland (average of C$ 259). Flying from Region of Ontario to Portland in December is currently the most expensive (average of C$ 442). 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 17 April 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Region of Ontario to Portland as you normally would.

Rainfall in Portland by month

Plan your trip to Portland by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Portland ranges from 18.0 - 142.0 mm per month. November is typically the wettest month, when rainfall can reach 142.0 mm. July is typically the driest time to visit Portland when rainfall is around 18.0 mm.

Temperature in Portland by month

Plan your trip to Portland by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Portland, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 5.0 C).

Reviews of airlines servicing Portland

Get insights into the airlines that provide service to Portland. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Portland. Reviews last updated 17 April 2025.
See what other customers who have flown with Alaska Airlines, Delta and United Airlines from Ontario to Portland have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.5

Entertainment

7.1

Overall

8.0

Comfort

7.9

Food

7.1

Boarding

8.2

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Crew

8.5

Entertainment

7.1

Overall

8.0

Comfort

7.9

Food

7.1

Boarding

8.2

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
8.0
Very good

Crew

8.5

Entertainment

7.1

Overall

8.0

Comfort

7.9

Food

7.1

Boarding

8.2

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Crew

8.5

Entertainment

7.1

Overall

8.0

Comfort

7.9

Food

7.1

Boarding

8.2

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Crew

8.5

Entertainment

7.1

Overall

8.0

Comfort

7.9

Food

7.1

Boarding

8.2

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Crew

8.5

Entertainment

7.1

Overall

8.0

Comfort

7.9

Food

7.1

Boarding

8.2

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

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.

  • 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$ 114. 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?

  • What are the cheapest flights from Region of Ontario to Portland?

    While on average a flight from Region of Ontario to Portland is generally C$ 1,017, our data shows the cheapest flight currently is C$ 919. When looking at the most popular route, (Toronto Pearson Intl - Portland), you can expect to pay C$ 306 for that flight.

  • 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, August is the cheapest month in which you can book a flight from Region of Ontario to Portland (average of C$ 259). Flying from Region of Ontario to Portland in December is currently the most expensive (average of C$ 442). 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 Ontario?

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

Browse thousands of different options on Cheapflights for your next trip

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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 17 April 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 276AverageC$ 465FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Alaska AirlinesCheapestC$ 281AverageC$ 464FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
United AirlinesCheapestC$ 370AverageC$ 642FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 371AverageC$ 651FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
DeltaCheapestC$ 378AverageC$ 487FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
American AirlinesCheapestC$ 404AverageC$ 590FlexibilityNo cancel feeOn-time71%
Search American 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.

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