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$86+ Cheap flights from Ontario to Portland (PDX)

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 8/24. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — PDX
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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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 June 12, 2025.

Round-trip from

$172
(Trip.com)

One-way from

$86
(Trip.com)

Popular in

March

Cheapest in

August

Average price

$414
From Ontario to Portland
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One-way flight from Ontario to Portland
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Highest demand for flights based on searches. 8% potential increase in price ($35 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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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 June 12, 2025.

This Trip.com deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/126:00 amYHM - PDX
1 stop10h 05mWestJet
Thu 8/211:45 pmPDX - YHM
1 stop7h 56mWestJet
Deal found 6/9$172
This Flightnetwork deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/236:10 amYOW - PDX
2 stops9h 55mWestJet
Wed 7/301:45 pmPDX - YOW
2 stops12h 40mWestJet
Deal found 6/11$221
This FlightHub deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/126:00 amYKF - PDX
1 stop9h 48mWestJet
Sat 9/131:45 pmPDX - YKF
1 stop8h 00mWestJet
Deal found 6/12$224
This Trip.com deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/278:00 amYYZ - PDX
1 stop8h 05mWestJet
Mon 9/81:45 pmPDX - YYZ
1 stop7h 37mWestJet
Deal found 6/10$227
This Flightnetwork deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/256:00 pmYOW - PDX
1 stop8h 01mAir Canada
Fri 8/16:15 amPDX - YOW
1 stop7h 01mAir Canada
Deal found 6/9$249
This Flightnetwork deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/710:50 pmYYZ - PDX
1 stop13h 40mAir Canada
Mon 7/147:40 pmPDX - YYZ
1 stop7h 55mAir Canada
Deal found 6/11$251
This Trip.com deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/227:00 amYUL - PDX
1 stop9h 05mWestJet
Thu 7/241:45 pmPDX - YUL
1 stop7h 58mWestJet
Deal found 6/12$255
This United deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/38:00 pmYYZ - PDX
1 stop15h 53mMultiple Airlines
Wed 7/97:40 pmPDX - YYZ
1 stop8h 50mMultiple Airlines
Deal found 6/11$268
This Air Canada deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/287:30 amYUL - PDX
1 stop10h 14mAir Canada
Thu 11/1310:10 amPDX - YUL
1 stop7h 54mAir Canada
Deal found 6/10$274
This United Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/246:10 amYYZ - PDX
1 stop16h 09mUnited Airlines
Mon 7/2811:59 pmPDX - YYZ
1 stop6h 59mUnited Airlines
Deal found 6/10$276
This United Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/305:45 pmYXU - PDX
2 stops18h 57mUnited Airlines
Wed 8/1311:20 pmPDX - YXU
2 stops12h 37mUnited Airlines
Deal found 6/11$276
This United Airlines deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/72:20 pmYUL - PDX
1 stop9h 00mUnited Airlines
Mon 10/137:35 pmPDX - YUL
1 stop9h 41mUnited Airlines
Deal found 6/9$289

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 2,558,603 searches. Data last updated June 12, 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 8/12

6:00 am-1:05 pm

1 stop10h 05m

Portland

Thu 8/21

1:45 pm-12:41 am

1 stop7h 56m

$172

OttawaPortland

YOW - PDX

YOWPDX

Ottawa

Wed 7/23

6:10 am-1:05 pm

2 stops9h 55m

Portland

Wed 7/30

1:45 pm-5:25 am

2 stops12h 40m

$221

TorontoPortland

YKF - PDX

YKFPDX

Toronto Region of Waterloo Intl

Fri 9/12

6:00 am-12:48 pm

1 stop9h 48m

Portland

Sat 9/13

1:45 pm-12:45 am

1 stop8h 00m

$224

TorontoPortland

YYZ - PDX

YYZPDX

Toronto Pearson Intl

Wed 8/27

8:00 am-1:05 pm

1 stop8h 05m

Portland

Mon 9/8

1:45 pm-12:22 am

1 stop7h 37m

$227

OttawaPortland

YOW - PDX

YOWPDX

Ottawa

Fri 7/25

6:00 pm-11:01 pm

1 stop8h 01m

Portland

Fri 8/1

6:15 am-4:16 pm

1 stop7h 01m

$249

TorontoPortland

YYZ - PDX

YYZPDX

Toronto Pearson Intl

Mon 7/7

10:50 pm-9:30 am

1 stop13h 40m

Portland

Mon 7/14

7:40 pm-6:35 am

1 stop7h 55m

$251

MontrealPortland

YUL - PDX

YULPDX

Montreal Pierre Elliott Trudeau Intl

Tue 7/22

7:00 am-1:05 pm

1 stop9h 05m

Portland

Thu 7/24

1:45 pm-12:43 am

1 stop7h 58m

$255

TorontoPortland

YYZ - PDX

YYZPDX

Toronto Pearson Intl

Thu 7/3

8:00 pm-8:53 am

1 stop15h 53m

Portland

Wed 7/9

7:40 pm-7:30 am

1 stop8h 50m

$268

TorontoPortland

YYZ - PDX

YYZPDX

Toronto Pearson Intl

Fri 7/4

7:00 am-11:43 am

1 stop7h 43m

Portland

Sat 7/19

11:20 pm-10:04 am

1 stop7h 44m

$271

MontrealPortland

YUL - PDX

YULPDX

Montreal Pierre Elliott Trudeau Intl

Tue 10/28

7:30 am-2:44 pm

1 stop10h 14m

Portland

Thu 11/13

10:10 am-9:04 pm

1 stop7h 54m

$274

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

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, November is the cheapest month in which you can book a flight from Region of Ontario to Portland (average of $277). Flying from Region of Ontario to Portland in March is currently the most expensive (average of $368). 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 June 12, 2025.

When flying from Region of Ontario to Portland, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 0.7 - 5.6 inches per month. November is typically the wettest month, when rainfall can reach 5.6 in. July is typically the driest time to visit Portland when rainfall is around 0.7 in.

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 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

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 June 12, 2025.
Read through reviews of airlines operating flights from Ontario to Portland, such as Alaska Airlines, Delta and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Overall

8.0

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

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Overall

8.0

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
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Overall

8.0

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

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Overall

8.0

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

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Overall

8.0

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

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Overall

8.0

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?

    For a flight from Ontario to Portland, you will be flying into Portland. Portland (PDX) is just 6.0 mi from the center of the city.

  • What are the cheapest airlines to fly from Region of Ontario to Portland one-way?

    $86 is the cheapest one-way deal found within the past few days, from WestJet. You may also be able to find cheap deals on Air Canada and American Airlines, with prices starting from $154 and $155, respectively.

  • What are the most popular routes from Region of Ontario to Portland?

    When deciding which route to take from Region of Ontario to Portland consider Toronto Pearson Intl - Portland, Hamilton - Portland or Ottawa - Portland as they are the most popular.

  • 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, November is the cheapest month in which you can book a flight from Region of Ontario to Portland (average of $277). Flying from Region of Ontario to Portland in March is currently the most expensive (average of $368). 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

Traveling to a place near Ontario?

Book flights to Ontario if you plan to visit one of these locations
Seaside
Vancouver
Beaverton
Clackamas
Lincoln City
McMinnville
Lake Oswego
Hillsboro
Gresham
Astoria
Long Beach
Cannon Beach
Tigard
Longview
Hood River
Depoe Bay
Woodburn
Stevenson
Pacific City
Troutdale

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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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Pierre Elliott Trudeau Intl to Portland flights
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Pearson Intl to North Bend flights
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London to Portland flights
Edmonton to Eugene flights
Pierre Elliott Trudeau Intl to Boise flights

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 2,558,603 searches. Data last updated June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$139Average$398FlexibilityNo cancel feeOn-time69%
WestJetCheapest$172Average$281FlexibilityNo cancel feeOn-time60%
DeltaCheapest$198Average$383FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$215Average$431FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$216Average$429FlexibilityNo cancel feeOn-time67%
Alaska AirlinesCheapest$282Average$415FlexibilityNo cancel feeOn-time75%

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