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Ontario

$92+ Cheap flights from Oregon 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 5/13. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — YYZ
Apr 22 — Apr 291
Tue 4/22
Tue 4/29
1 adult, Economy
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Cheap flight deals from Oregon to Ontario

Keep the following information in mind while searching for Oregon to Ontario flight deals. Data was last updated April 17, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$223
(Kiwi.com)

One-way from

$92
(Kiwi.com)

Popular in

March

Cheapest in

May

Average price

$531
Provider with most accurate pricing for Portland-Toronto (YTO) flight deals.
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Provider most trusted by Cheapflights users for Portland-Toronto (YTO) flights.
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From Oregon to Ontario
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One-way flight from Oregon to Ontario
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($100 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from Oregon to Ontario

Cheapest flights from Oregon to Ontario
Explore the most affordable flight options available from Oregon to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 17, 2025.

This Kiwi.com deal was found by Cheapflights users on 4/15. 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.
Wed 5/281:37 pmPDX - YYZ
2 stops13h 37mMultiple Airlines
Wed 6/49:45 amYYZ - PDX
1 stop10h 00mMultiple Airlines
Deal found 4/15$223
This Trip.com deal was found by Cheapflights users on 4/16. 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.
Fri 7/41:45 pmPDX - YYZ
1 stop7h 39mWestJet
Sun 7/138:00 amYYZ - PDX
1 stop7h 52mWestJet
Deal found 4/16$232
This Trip.com deal was found by Cheapflights users on 4/16. 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.
Sat 5/311:45 pmPDX - YOW
1 stop7h 57mWestJet
Sat 6/76:10 amYOW - PDX
2 stops9h 42mWestJet
Deal found 4/16$268
This Justfly.com deal was found by Cheapflights users on 4/17. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/241:45 pmPDX - YUL
1 stop7h 58mWestJet
Tue 7/297:00 amYUL - PDX
1 stop8h 52mWestJet
Deal found 4/17$275
This Justfly.com deal was found by Cheapflights users on 4/17. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/201:45 pmPDX - YUL
1 stop7h 58mMultiple Airlines
Wed 9/36:00 pmYUL - PDX
1 stop7h 56mMultiple Airlines
Deal found 4/17$292
This Air Canada deal was found by Cheapflights users on 4/17. 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.
Fri 7/1811:59 pmPDX - YYZ
1 stop17h 45mAir Canada
Mon 7/216:30 amYYZ - PDX
1 stop11h 15mAir Canada
Deal found 4/17$300
This Air Canada deal was found by Cheapflights users on 4/17. 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.
Thu 8/1411:59 pmPDX - YUL
1 stop7h 41mAir Canada
Wed 8/207:30 amYUL - PDX
1 stop10h 15mAir Canada
Deal found 4/17$305
This Gotogate deal was found by Cheapflights users on 4/16. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/317:07 pmBOI - YYZ
2 stops14h 32mAir Canada
Sat 6/76:20 pmYYZ - BOI
1 stop17h 26mAir Canada
Deal found 4/16$316
This American Airlines deal was found by Cheapflights users on 4/16. 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 5/411:52 pmPDX - YYZ
1 stop11h 38mAmerican Airlines
Tue 5/66:20 pmYYZ - PDX
1 stop19h 04mAmerican Airlines
Deal found 4/16$317
This United Airlines deal was found by Cheapflights users on 4/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/311:45 pmPDX - YYZ
2 stops21h 45mUnited Airlines
Mon 9/16:20 pmYYZ - PDX
1 stop18h 20mUnited Airlines
Deal found 4/16$322
This United Airlines deal was found by Cheapflights users on 4/17. 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 10/85:00 amPDX - YUL
1 stop7h 26mUnited Airlines
Wed 10/86:30 pmYUL - PDX
1 stop17h 21mUnited Airlines
Deal found 4/17$332
This United Airlines deal was found by Cheapflights users on 4/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/312:35 pmBOI - YYZ
1 stop6h 13mUnited Airlines
Sat 6/74:18 pmYYZ - BOI
1 stop8h 39mUnited Airlines
Deal found 4/16$347

Cheapflights Fare Finder

Customize your flight search to find flights from Oregon 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 April 17, 2025.
Use the filters below to find and compare flights from Oregon to Ontario that are best for you.

Fly from

Oregon

Fly to

Ontario

Route

Depart

Return

Price

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

Wed 5/28

1:37 pm-6:14 am

2 stops13h 37m

Toronto Pearson Intl

Wed 6/4

9:45 am-4:45 pm

1 stop10h 00m

$223

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

Fri 7/4

1:45 pm-12:24 am

1 stop7h 39m

Toronto Pearson Intl

Sun 7/13

8:00 am-12:52 pm

1 stop7h 52m

$232

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Sat 5/31

1:45 pm-12:42 am

1 stop7h 57m

Ottawa

Sat 6/7

6:10 am-12:52 pm

2 stops9h 42m

$268

PortlandMontreal

PDX - YUL

PDXYUL

Portland

Thu 7/24

1:45 pm-12:43 am

1 stop7h 58m

Montreal Pierre Elliott Trudeau Intl

Tue 7/29

7:00 am-12:52 pm

1 stop8h 52m

$275

PortlandMontreal

PDX - YUL

PDXYUL

Portland

Wed 8/20

1:45 pm-12:43 am

1 stop7h 58m

Montreal Pierre Elliott Trudeau Intl

Sat 9/6

7:30 am-2:46 pm

1 stop10h 16m

$292

PortlandMontreal

PDX - YUL

PDXYUL

Portland

Thu 8/14

11:59 pm-10:40 am

1 stop7h 41m

Montreal Pierre Elliott Trudeau Intl

Wed 8/20

7:30 am-2:45 pm

1 stop10h 15m

$305

BoiseToronto

BOI - YYZ

BOIYYZ

Boise Air Term. Gowen Fld

Sat 5/31

7:07 pm-11:39 am

2 stops14h 32m

Toronto Pearson Intl

Sat 6/7

6:20 pm-9:46 am

1 stop17h 26m

$316

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

Sun 5/4

11:52 pm-2:30 pm

1 stop11h 38m

Toronto Pearson Intl

Tue 5/6

6:20 pm-10:24 am

1 stop19h 04m

$317

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

Sun 7/6

11:59 pm-8:44 pm

1 stop17h 45m

Toronto Pearson Intl

Thu 8/7

6:30 am-6:46 pm

1 stop15h 16m

$319

PortlandMontreal

PDX - YUL

PDXYUL

Portland

Wed 10/8

5:00 am-3:26 pm

1 stop7h 26m

Montreal Pierre Elliott Trudeau Intl

Wed 10/8

6:30 pm-8:51 am

1 stop17h 21m

$332

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/16

Showing 1-10 of 51 results
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Best time to book a flight from Oregon to Ontario

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

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

Currently, January is the cheapest month in which you can book a flight from Oregon to Region of Ontario (average of $243). Flying from Oregon 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 OR to ON?

Find hourly flight availability from Oregon 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 April 17, 2025.

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

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 April 17, 2025.
Read through reviews of airlines operating flights from Oregon to Ontario, such as Alaska Airlines, Delta and United Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,887 reviews

Entertainment

7.1

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.1

Boarding

8.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Alaska Airlines
8.0
Very good
9,887 reviews
Alaska Airlines
8.0
Very good
9,887 reviews

Entertainment

7.1

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.1

Boarding

8.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Delta
8.0
Very good
7,916 reviews
Alaska Airlines
8.0
Very good
9,887 reviews

Entertainment

7.1

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.1

Boarding

8.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
United Airlines
7.4
Good
8,667 reviews
Alaska Airlines
8.0
Very good
9,887 reviews

Entertainment

7.1

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.1

Boarding

8.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,887 reviews

Entertainment

7.1

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.1

Boarding

8.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
WestJet
7.2
Good
2,809 reviews
Alaska Airlines
8.0
Very good
9,887 reviews

Entertainment

7.1

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.1

Boarding

8.1

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 Oregon to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    One-way options have recently been found by users for as low as $102 on WestJet. Other airlines that offer cheap prices include American Airlines from $129 and Air Canada from $130 one-way.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Oregon to Region of Ontario (average of $243). Flying from Oregon 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 Oregon to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Oregon to Ontario

Discover the top 6 airlines that operate flights from Oregon 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 April 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$139Average$548FlexibilityNo cancel feeOn-time67%
WestJetCheapest$207Average$353FlexibilityNo cancel feeOn-time60%
United AirlinesCheapest$296Average$555FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$317Average$466FlexibilityNo cancel feeOn-time75%
DeltaCheapest$317Average$473FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$348Average$598FlexibilityNo cancel feeOn-time71%

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