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$98+ Cheap flights from Portland (PDX) to Ontario

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 2/3. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — YYZ
Jan 21 — Jan 281
Tue 1/21
Tue 1/28
1 adult, Economy
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Cheap flight deals from Portland to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) to Ontario (CAON). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 16, 2025.

Round-trip from

$285
(Kiwi.com)

One-way from

$98
(Kiwi.com)
From Portland to Ontario
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One-way flight from Portland to Ontario
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Find flight deals from Portland to Ontario

Cheapest flights from Portland to Ontario
Explore the most affordable flight options available from Portland to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 16, 2025.

This Kiwi.com deal was found by Cheapflights users on 1/14. 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.
Mon 2/2410:16 amPDX - YYZ
1 stop17h 29mMultiple Airlines
Tue 2/2510:05 pmYYZ - PDX
2 stops24h 26mMultiple Airlines
Deal found 1/14$285
This Kiwi.com deal was found by Cheapflights users on 1/15. 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.
Mon 2/249:18 pmPDX - YUL
1 stop16h 17mMultiple Airlines
Mon 3/34:45 pmYUL - PDX
2 stops27h 24mMultiple Airlines
Deal found 1/15$329
This American Airlines deal was found by Cheapflights users on 1/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/75:31 amPDX - YYZ
1 stop7h 44mAmerican Airlines
Wed 2/126:10 amYYZ - PDX
1 stop10h 06mAmerican Airlines
Deal found 1/15$353
This Delta deal was found by Cheapflights users on 1/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/135:10 amPDX - YYZ
1 stop7h 42mDelta
Mon 2/175:00 pmYYZ - PDX
1 stop9h 51mDelta
Deal found 1/15$356
This Alaska Airlines deal was found by Cheapflights users on 1/15. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/317:35 pmPDX - YYZ
1 stop16h 20mAlaska Airlines
Sun 2/94:20 pmYYZ - PDX
1 stop9h 34mAlaska Airlines
Deal found 1/15$358
This Flightnetwork deal was found by Cheapflights users on 1/14. 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.
Sat 3/16:00 amPDX - YUL
1 stop8h 03mAir Canada
Sat 3/82:20 pmYUL - PDX
2 stops10h 49mAir Canada
Deal found 1/14$405
This Kissandfly.com deal was found by Cheapflights users on 1/16. 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.
Sun 2/1610:01 pmPDX - YUL
2 stops15h 54mBritish Airways
Sat 2/227:14 amYUL - PDX
1 stop16h 44mBritish Airways
Deal found 1/16$419
This Trip.com deal was found by Cheapflights users on 1/16. 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.
Sun 7/132:00 pmPDX - YUL
1 stop7h 43mWestJet
Wed 7/167:00 amYUL - PDX
1 stop9h 07mWestJet
Deal found 1/16$441
This Priceline deal was found by Cheapflights users on 1/14. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/62:00 pmPDX - YYZ
1 stop7h 24mWestJet
Wed 8/136:30 amYYZ - PDX
1 stop9h 37mWestJet
Deal found 1/14$443
This Delta deal was found by Cheapflights users on 1/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/272:00 pmPDX - YUL
1 stop6h 40mDelta
Tue 3/46:00 amYUL - PDX
1 stop9h 52mDelta
Deal found 1/15$449
This American Airlines deal was found by Cheapflights users on 1/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/1612:00 pmPDX - YUL
2 stops19h 05mAmerican Airlines
Sat 2/222:20 pmYUL - PDX
2 stops23h 15mAmerican Airlines
Deal found 1/16$454
This United Airlines deal was found by Cheapflights users on 1/15. 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.
Mon 1/2711:59 pmPDX - YUL
1 stop11h 48mUnited Airlines
Tue 1/286:20 pmYUL - PDX
1 stop9h 36mUnited Airlines
Deal found 1/15$458

Find flights from Portland to Ontario within your budget

Customize your flight search to find flights from Portland to Ontario 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 January 16, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

Mon 2/24

10:16 am-6:45 am

1 stop17h 29m

Toronto Pearson Intl

Tue 2/25

10:05 pm-7:31 pm

2 stops24h 26m

$285

PortlandMontreal

PDX - YUL

PDXYUL

Portland

Mon 2/24

9:18 pm-4:35 pm

1 stop16h 17m

Montreal Pierre Elliott Trudeau Intl

Mon 3/3

4:45 pm-5:09 pm

2 stops27h 24m

$329

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

Fri 2/7

5:31 am-4:15 pm

1 stop7h 44m

Toronto Pearson Intl

Wed 2/12

6:10 am-1:16 pm

1 stop10h 06m

$353

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

Thu 2/13

5:10 am-3:52 pm

1 stop7h 42m

Toronto Pearson Intl

Mon 2/17

5:00 pm-11:51 pm

1 stop9h 51m

$356

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

Fri 1/31

7:35 pm-2:55 pm

1 stop16h 20m

Toronto Pearson Intl

Sun 2/9

4:20 pm-10:54 pm

1 stop9h 34m

$358

PortlandMontreal

PDX - YUL

PDXYUL

Portland

Sat 3/1

3:25 pm-7:20 am

2 stops12h 55m

Montreal Pierre Elliott Trudeau Intl

Sat 3/8

2:20 pm-10:09 pm

2 stops10h 49m

$392

PortlandMontreal

PDX - YUL

PDXYUL

Portland

Sun 2/16

10:01 pm-4:55 pm

2 stops15h 54m

Montreal Pierre Elliott Trudeau Intl

Sat 2/22

7:14 am-8:58 pm

1 stop16h 44m

$419

PortlandMontreal

PDX - YUL

PDXYUL

Portland

Sun 7/13

2:00 pm-12:43 am

1 stop7h 43m

Montreal Pierre Elliott Trudeau Intl

Wed 7/16

7:00 am-1:07 pm

1 stop9h 07m

$441

PortlandMontreal

PDX - YUL

PDXYUL

Portland

Thu 2/27

2:00 pm-11:40 pm

1 stop6h 40m

Montreal Pierre Elliott Trudeau Intl

Tue 3/4

6:00 am-12:52 pm

1 stop9h 52m

$449

PortlandMontreal

PDX - YUL

PDXYUL

Portland

Sun 2/16

12:00 pm-10:05 am

2 stops19h 05m

Montreal Pierre Elliott Trudeau Intl

Sat 2/22

2:20 pm-10:35 am

2 stops23h 15m

$454

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/15

Showing 1-10 of 34 results
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Best time to book a flight from Portland to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Portland 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.

Travel insights for flights from Portland to Ontario

Get recent, data-driven insights about flights from Portland to Ontario including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Portland to Region of Ontario?

Currently, January is the cheapest month in which you can book a flight from Portland to Region of Ontario (average of $243). Flying from Portland to Region of Ontario in July is currently the most expensive (average of $359). 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 PDX to ON?

Find hourly flight availability from Portland to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 16, 2025.

When flying from Portland to Region of Ontario, 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 Ontario by month

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

In terms of precipitation, rainfall in Region of Ontario ranges from 2.0 - 3.3 inches per month. June is typically the wettest month, when rainfall can reach 3.3 in. February is typically the driest time to visit Region of Ontario when rainfall is around 2.0 in.

Temperature in Ontario by month

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

If weather is an important factor for your trip to Region of Ontario, 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 21.2 F).

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated January 16, 2025.
See what other customers who have flown with WestJet, American Airlines and Air Canada from Portland to Ontario have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,681 reviews

Entertainment

7.1

Food

7.1

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 10

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
9,681 reviews
Alaska Airlines
8.0
Very good
9,681 reviews

Entertainment

7.1

Food

7.1

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 10

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
8,511 reviews
Alaska Airlines
8.0
Very good
9,681 reviews

Entertainment

7.1

Food

7.1

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 10

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
8,964 reviews
Alaska Airlines
8.0
Very good
9,681 reviews

Entertainment

7.1

Food

7.1

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 10

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
9,681 reviews

Entertainment

7.1

Food

7.1

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 10

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
2,824 reviews
Alaska Airlines
8.0
Very good
9,681 reviews

Entertainment

7.1

Food

7.1

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 10

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 Portland to Ontario. 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 from for flights from Portland to Ontario?

    Located just 6.0 mi from the city center, Portland (PDX) is the airport most travelers will use when flying to Ontario from Portland.

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

    $151 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on Alaska Airlines and WestJet, with prices starting from $161 and $213, respectively.

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

    While some choose either Portland - Toronto Pearson Intl or Portland - Ottawa, Portland - Montreal Pierre Elliott Trudeau Intl is the most popular route from Portland to Region of Ontario.

  • Can I find deals for flights from Portland to Ontario that include hotel bookings?

    Yes. In addition to deals on Portland to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Portland to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to Ontario.

  • Can I find deals for business class flights from Portland to Ontario?

    Yes. Cheapflights offers flight deals from Portland to Ontario 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 Portland to Region of Ontario?

    Currently, January is the cheapest month in which you can book a flight from Portland to Region of Ontario (average of $243). Flying from Portland to Region of Ontario in July is currently the most expensive (average of $359). 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

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Alternative routes for Portland to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
Portland to Vancouver Intl flights
Portland to Calgary flights
Portland to Edmonton flights
Portland to Pierre Elliott Trudeau Intl flights
Portland to Pearson Intl flights
Medford to Vancouver Intl flights
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Portland to Victoria flights
Boise to Vancouver Intl flights
Boise to Calgary flights
Eugene to Pearson Intl flights
Portland to Ottawa flights
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Redmond to Calgary flights
Boise to Pearson Intl flights
Portland to Winnipeg flights
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Portland to Kelowna flights
Portland to Québec City flights
Yakima to Vancouver Intl flights
Portland to Halifax flights
Redmond to Vancouver Intl flights
Boise to Halifax flights
Portland to Kamloops flights
Portland to St. John's flights
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Redmond to Pearson Intl flights
Portland to Fredericton flights
Eugene to Pierre Elliott Trudeau Intl flights
Boise to Québec City flights
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Portland to Saskatoon flights
Portland to Comox flights
Medford to Pearson Intl flights
Yakima to Edmonton flights
Boise to Hamilton flights
Boise to Victoria flights
Portland to Whitehorse flights
Portland to Williams Lake flights
Eugene to Ottawa flights
Medford to Hamilton flights
Medford to Ottawa flights
Portland to Regina flights
Medford to Pierre Elliott Trudeau Intl flights

Top 6 airlines flying from Portland to Ontario

Discover the top 6 airlines that operate flights from Portland to Ontario. 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 January 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$137Average$532FlexibilityNo cancel feeOn-time67%
WestJetCheapest$212Average$432FlexibilityNo cancel feeOn-time60%
United AirlinesCheapest$260Average$610FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$313Average$462FlexibilityNo cancel feeOn-time75%
DeltaCheapest$317Average$473FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$348Average$536FlexibilityNo cancel feeOn-time71%
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