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$136+ 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 7/2. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — PDX
abr. 2 — abr. 91
mié. 4/2
mié. 4/9
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 marzo 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$270
(oojo)

One-way from

$136
(Justfly.com)

Popular in

March

Cheapest in

September

Average price

$537
Provider with most accurate pricing for Toronto (YTO)-Portland flight deals.
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Provider most trusted by Cheapflights users for Toronto (YTO)-Portland flights.
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From Ontario to Portland
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One-way flight from Ontario to Portland
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($53 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in March 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 marzo 28, 2025.

This oojo deal was found by Cheapflights users on 3/27. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 7/226:00 amYHM - PDX
1 stop9h 52mWestJet
lun. 7/281:45 pmPDX - YHM
1 stop7h 56mWestJet
Deal found 3/27$270
This Trip.com deal was found by Cheapflights users on 3/26. 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.
mié. 8/206:10 amYOW - PDX
2 stops9h 42mWestJet
mié. 8/271:45 pmPDX - YOW
1 stop7h 56mWestJet
Deal found 3/26$270
This Kiwi.com deal was found by Cheapflights users on 3/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 5/18:00 amYYZ - PDX
1 stop7h 52mMultiple Airlines
mié. 5/71:35 pmPDX - YYZ
2 stops14h 17mMultiple Airlines
Deal found 3/26$276
This FlightHub deal was found by Cheapflights users on 3/26. 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.
vie. 6/66:00 amYKF - PDX
1 stop9h 52mWestJet
dom. 6/81:45 pmPDX - YKF
1 stop8h 01mWestJet
Deal found 3/26$277
This oojo deal was found by Cheapflights users on 3/27. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 7/226:30 amYYZ - PDX
1 stop9h 22mWestJet
lun. 7/281:45 pmPDX - YYZ
2 stops13h 06mWestJet
Deal found 3/27$280
This Kiwi.com deal was found by Cheapflights users on 3/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 4/286:10 pmYOW - PDX
1 stop26h 55mMultiple Airlines
mié. 4/302:32 pmPDX - YOW
1 stop23h 13mMultiple Airlines
Deal found 3/26$286
This FlightHub deal was found by Cheapflights users on 3/27. 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.
vie. 7/47:00 amYUL - PDX
1 stop8h 52mWestJet
mar. 7/221:45 pmPDX - YUL
1 stop7h 58mWestJet
Deal found 3/27$290
This flugladen.de deal was found by Cheapflights users on 3/26. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 5/106:00 amYKF - PDX
1 stop9h 52mMultiple Airlines
sáb. 5/171:45 pmPDX - YKF
1 stop12h 30mMultiple Airlines
Deal found 3/26$296
This Kiwi.com deal was found by Cheapflights users on 3/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 5/96:00 amYHM - PDX
1 stop9h 52mMultiple Airlines
lun. 5/125:40 pmPDX - YHM
2 stops28h 01mMultiple Airlines
Deal found 3/27$301
This KAYAK deal was found by Cheapflights users on 3/27. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 6/267:00 pmYYZ - PDX
1 stop8h 45mUnited Airlines
lun. 6/307:35 pmPDX - YYZ
1 stop8h 25mUnited Airlines
Deal found 3/27$310
This Kissandfly.com deal was found by Cheapflights users on 3/26. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 5/11:15 pmYYZ - PDX
1 stop12h 47mBritish Airways
mié. 5/73:24 pmPDX - YYZ
1 stop18h 06mBritish Airways
Deal found 3/26$315
This United Airlines deal was found by Cheapflights users on 3/27. 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.
vie. 7/48:05 amYUL - PDX
2 stops19h 35mUnited Airlines
mar. 7/152:12 pmPDX - YUL
1 stop17h 28mUnited Airlines
Deal found 3/27$315

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 marzo 28, 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

OttawaPortland

YOW - PDX

YOWPDX

Ottawa

mié. 8/20

6:10 am-12:52 pm

2 stops9h 42m

Portland

mié. 8/27

1:45 pm-12:41 am

1 stop7h 56m

$270

TorontoPortland

YYZ - PDX

YYZPDX

Toronto Pearson Intl

jue. 5/1

8:00 am-12:52 pm

1 stop7h 52m

Portland

mié. 5/7

1:35 pm-6:52 am

2 stops14h 17m

$276

TorontoPortland

YKF - PDX

YKFPDX

Toronto Region of Waterloo Intl

vie. 6/6

6:00 am-12:52 pm

1 stop9h 52m

Portland

dom. 6/8

1:45 pm-12:46 am

1 stop8h 01m

$277

TorontoPortland

YYZ - PDX

YYZPDX

Toronto Pearson Intl

mar. 7/22

6:30 am-12:52 pm

1 stop9h 22m

Portland

lun. 7/28

1:45 pm-5:51 am

2 stops13h 06m

$280

HamiltonPortland

YHM - PDX

YHMPDX

Hamilton

lun. 5/5

6:00 am-12:52 pm

1 stop9h 52m

Portland

jue. 5/8

1:45 pm-12:41 am

1 stop7h 56m

$283

OttawaPortland

YOW - PDX

YOWPDX

Ottawa

lun. 4/28

6:10 pm-6:05 pm

1 stop26h 55m

Portland

mié. 4/30

2:32 pm-4:45 pm

1 stop23h 13m

$286

MontrealPortland

YUL - PDX

YULPDX

Montreal Pierre Elliott Trudeau Intl

vie. 7/4

7:00 am-12:52 pm

1 stop8h 52m

Portland

mar. 7/22

1:45 pm-12:43 am

1 stop7h 58m

$290

TorontoPortland

YKF - PDX

YKFPDX

Toronto Region of Waterloo Intl

sáb. 5/10

6:00 am-12:52 pm

1 stop9h 52m

Portland

sáb. 5/17

1:45 pm-5:15 am

1 stop12h 30m

$296

HamiltonPortland

YHM - PDX

YHMPDX

Hamilton

vie. 5/9

6:00 am-12:52 pm

1 stop9h 52m

Portland

lun. 5/12

5:40 pm-12:41 am

2 stops28h 01m

$301

TorontoPortland

YYZ - PDX

YYZPDX

Toronto Pearson Intl

jue. 6/26

7:00 pm-12:45 am

1 stop8h 45m

Portland

lun. 6/30

7:35 pm-7:00 am

1 stop8h 25m

$310

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Showing 1-10 of 43 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 $370). 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 marzo 28, 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 marzo 28, 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
9,798 reviews

Entertainment

7.1

Overall

8.0

Comfort

7.9

Food

7.1

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,798 reviews
Alaska Airlines
8.0
Very good
9,798 reviews

Entertainment

7.1

Overall

8.0

Comfort

7.9

Food

7.1

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,897 reviews
Alaska Airlines
8.0
Very good
9,798 reviews

Entertainment

7.1

Overall

8.0

Comfort

7.9

Food

7.1

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,603 reviews
Alaska Airlines
8.0
Very good
9,798 reviews

Entertainment

7.1

Overall

8.0

Comfort

7.9

Food

7.1

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,798 reviews

Entertainment

7.1

Overall

8.0

Comfort

7.9

Food

7.1

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
WestJet
7.2
Good
2,785 reviews
Alaska Airlines
8.0
Very good
9,798 reviews

Entertainment

7.1

Overall

8.0

Comfort

7.9

Food

7.1

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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?

    $136 is the cheapest one-way deal found within the past few days, from WestJet. You may also be able to find cheap deals on United Airlines and Delta, with prices starting from $183 and $187, 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, Montreal Pierre Elliott Trudeau Intl - Portland or Hamilton - 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 $370). 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
Lincoln City
Beaverton
Seaside
Clackamas
Vancouver
McMinnville
Lake Oswego
Hillsboro
Gresham
Long Beach
Cannon Beach
Tigard
Astoria
Hood River
Woodburn
Depoe Bay
Pacific City
Stevenson
Troutdale
Longview

Browse thousands of different options on Cheapflights for your next trip

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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
Calgary to Portland flights
Pierre Elliott Trudeau Intl to Portland flights
Hamilton to Portland flights
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Calgary to Boise flights
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Winnipeg to Portland flights
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Windsor to Portland flights
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Region of Waterloo Intl to Eugene flights
Hamilton to Eugene flights
Edmonton to Eugene flights
Kelowna to Portland flights
St John to Portland flights
Kamloops to Portland flights
Pearson Intl to North Bend flights
Saskatoon to Portland flights
London to Portland 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 marzo 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$139Average$398FlexibilityNo cancel feeOn-time69%
WestJetCheapest$172Average$292FlexibilityNo cancel feeOn-time60%
American AirlinesCheapest$215Average$384FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$266Average$468FlexibilityNo cancel feeOn-time67%
DeltaCheapest$273Average$383FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$282Average$415FlexibilityNo cancel feeOn-time75%
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