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Cheap flights from Ontario to Portland from C$ 118

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 24/8. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — PDX
17 Jun — 24 Jun1
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 12 June 2025.

Round-trip from

C$ 235

One-way from

C$ 118

Popular in

March

Cheapest in

August

Average price

C$ 566

Good one-way deal

C$ 974 or less
WestJet
  • WestJet
  • 12/8-21/8
  • 2 total stops
  • 18h 01m total
  • Ontario to Portland
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WestJet
  • WestJet
  • 24/8
  • 1 total stop
  • 10h 05m total
  • Ontario to Portland
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (C$ 65 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 22 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Price to beat on a one-way flight from Ontario to Portland.
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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 12 June 2025.

Tue 12/86:00 a.m.YHM - PDX
1 stop10h 05mWestJet
Thu 21/81:45 p.m.PDX - YHM
1 stop7h 56mWestJet
Deal found 9/6C$ 235
Wed 23/76:10 a.m.YOW - PDX
2 stops9h 55mWestJet
Wed 30/71:45 p.m.PDX - YOW
2 stops12h 40mWestJet
Deal found 11/6C$ 302
Fri 12/96:00 a.m.YKF - PDX
1 stop9h 48mWestJet
Sat 13/91:45 p.m.PDX - YKF
1 stop8h 00mWestJet
Deal found 12/6C$ 306
Wed 27/88:00 a.m.YYZ - PDX
1 stop8h 05mWestJet
Mon 8/91:45 p.m.PDX - YYZ
1 stop7h 37mWestJet
Deal found 10/6C$ 310
Fri 25/76:00 p.m.YOW - PDX
1 stop8h 01mAir Canada
Fri 1/86:15 a.m.PDX - YOW
1 stop7h 01mAir Canada
Deal found 9/6C$ 340
Mon 7/710:50 p.m.YYZ - PDX
1 stop13h 40mAir Canada
Mon 14/77:40 p.m.PDX - YYZ
1 stop7h 55mAir Canada
Deal found 11/6C$ 343
Tue 22/77:00 a.m.YUL - PDX
1 stop9h 05mWestJet
Thu 24/71:45 p.m.PDX - YUL
1 stop7h 58mWestJet
Deal found 12/6C$ 349
Thu 3/78:00 p.m.YYZ - PDX
1 stop15h 53mMultiple Airlines
Wed 9/77:40 p.m.PDX - YYZ
1 stop8h 50mMultiple Airlines
Deal found 11/6C$ 366
Thu 10/712:40 p.m.YYZ - PDX
1 stop12h 26mAmerican Airlines
Thu 17/711:59 p.m.PDX - YYZ
1 stop13h 30mAmerican Airlines
Deal found 12/6C$ 368
Tue 28/107:30 a.m.YUL - PDX
1 stop10h 14mAir Canada
Wed 12/1110:10 a.m.PDX - YUL
1 stop7h 54mAir Canada
Deal found 10/6C$ 375
Thu 24/76:10 a.m.YYZ - PDX
1 stop16h 09mUnited Airlines
Mon 28/711:59 p.m.PDX - YYZ
1 stop6h 59mUnited Airlines
Deal found 10/6C$ 377
Wed 30/75:45 p.m.YXU - PDX
2 stops18h 57mUnited Airlines
Wed 13/811:20 p.m.PDX - YXU
2 stops12h 37mUnited Airlines
Deal found 11/6C$ 377

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 12 June 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

Tue 12/8

6:00 a.m.-1:05 p.m.

1 stop10h 05m

Portland

Thu 21/8

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

1 stop7h 56m

C$ 235

OttawaPortland

YOW - PDX

YOWPDX

Ottawa

Wed 23/7

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

2 stops9h 55m

Portland

Wed 30/7

1:45 p.m.-5:25 a.m.

2 stops12h 40m

C$ 302

TorontoPortland

YKF - PDX

YKFPDX

Toronto Region of Waterloo Intl

Fri 12/9

6:00 a.m.-12:48 p.m.

1 stop9h 48m

Portland

Sat 13/9

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

1 stop8h 00m

C$ 306

TorontoPortland

YYZ - PDX

YYZPDX

Toronto Pearson Intl

Wed 27/8

8:00 a.m.-1:05 p.m.

1 stop8h 05m

Portland

Mon 8/9

1:45 p.m.-12:22 a.m.

1 stop7h 37m

C$ 310

OttawaPortland

YOW - PDX

YOWPDX

Ottawa

Fri 25/7

6:00 p.m.-11:01 p.m.

1 stop8h 01m

Portland

Fri 1/8

6:15 a.m.-4:16 p.m.

1 stop7h 01m

C$ 340

TorontoPortland

YYZ - PDX

YYZPDX

Toronto Pearson Intl

Mon 7/7

10:50 p.m.-9:30 a.m.

1 stop13h 40m

Portland

Mon 14/7

7:40 p.m.-6:35 a.m.

1 stop7h 55m

C$ 343

MontrealPortland

YUL - PDX

YULPDX

Montreal Pierre Elliott Trudeau Intl

Tue 22/7

7:00 a.m.-1:05 p.m.

1 stop9h 05m

Portland

Thu 24/7

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

1 stop7h 58m

C$ 349

TorontoPortland

YYZ - PDX

YYZPDX

Toronto Pearson Intl

Thu 3/7

8:00 p.m.-8:53 a.m.

1 stop15h 53m

Portland

Wed 9/7

7:40 p.m.-7:30 a.m.

1 stop8h 50m

C$ 366

TorontoPortland

YYZ - PDX

YYZPDX

Toronto Pearson Intl

Thu 10/7

12:40 p.m.-10:06 p.m.

1 stop12h 26m

Portland

Thu 17/7

11:59 p.m.-4:29 p.m.

1 stop13h 30m

C$ 368

TorontoPortland

YYZ - PDX

YYZPDX

Toronto Pearson Intl

Fri 4/7

7:00 a.m.-11:43 a.m.

1 stop7h 43m

Portland

Sat 19/7

11:20 p.m.-10:04 a.m.

1 stop7h 44m

C$ 371

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/6

Showing 1-10 of 49 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$ 439). 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 12 June 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 12 June 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.
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,946 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
WestJet
7.2
Good
2,868 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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$ 118. 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, Ottawa - Portland or Hamilton - Portland when deciding on the best route 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$ 1,003, our data shows the cheapest flight currently is C$ 906. When looking at the most popular route, (Toronto Pearson Intl - Portland), you can expect to pay C$ 353 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$ 439). 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
Vancouver
Cannon Beach
Lincoln City

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Alternative routes for Ontario to Portland

See prices for flight routes from nearby airports that may be better suited for you.
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Pearson Intl to Portland flights
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Pearson Intl to North Bend flights
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Winnipeg to Medford flights
Québec City to Eugene flights
Region of Waterloo Intl to Eugene flights
Edmonton to Eugene flights
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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 12 June 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 223AverageC$ 488FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Alaska AirlinesCheapestC$ 277AverageC$ 460FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
United AirlinesCheapestC$ 365AverageC$ 604FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapestC$ 373AverageC$ 478FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air CanadaCheapestC$ 374AverageC$ 651FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
American AirlinesCheapestC$ 398AverageC$ 523FlexibilityNo 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.

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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