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Ontario

$125+ 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 1/23. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — YYZ
Jan 8 — Jan 151
Thu 1/8
Thu 1/15
1 adult, Economy
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Cheap 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 December 9, 2025.

This American Airlines deal was found by Cheapflights users on 12/8. 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.
Wed 12/313:02 pmPDX - YYZ
1 stop16h 54mAmerican Airlines
Wed 1/76:00 amYYZ - PDX
1 stop17h 24mAmerican Airlines
Deal found 12/8$379
This American Airlines deal was found by Cheapflights users on 12/8. 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.
Wed 12/313:02 pmPDX - YUL
1 stop21h 08mAmerican Airlines
Mon 1/127:30 amYUL - PDX
2 stops13h 22mAmerican Airlines
Deal found 12/8$411
This Alaska Airlines deal was found by Cheapflights users on 12/7. 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.
Wed 12/315:10 amPDX - YYZ
1 stop7h 25mAlaska Airlines
Wed 1/74:45 pmYYZ - PDX
1 stop9h 01mAlaska Airlines
Deal found 12/7$416
This United Airlines deal was found by Cheapflights users on 12/7. 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 12/296:00 amMFR - YYZ
1 stop7h 28mUnited Airlines
Mon 1/510:45 amYYZ - MFR
1 stop10h 07mUnited Airlines
Deal found 12/7$416
This United Airlines deal was found by Cheapflights users on 12/7. 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 12/315:00 amPDX - YYZ
1 stop14h 41mUnited Airlines
Wed 1/76:50 amYYZ - PDX
2 stops14h 20mUnited Airlines
Deal found 12/7$426
This United Airlines deal was found by Cheapflights users on 12/6. 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 12/315:00 amPDX - YUL
1 stop8h 58mUnited Airlines
Mon 1/55:25 pmYUL - PDX
1 stop19h 20mUnited Airlines
Deal found 12/6$477
This United Airlines deal was found by Cheapflights users on 12/8. 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.
Fri 12/1211:59 pmPDX - YYZ
1 stop6h 59mUnited Airlines
Sat 12/134:10 pmYYZ - PDX
1 stop8h 05mUnited Airlines
Deal found 12/8$508
This American Airlines deal was found by Cheapflights users on 12/8. 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.
Wed 12/171:36 pmBOI - YYZ
1 stop20h 56mAmerican Airlines
Thu 12/184:40 pmYYZ - BOI
1 stop7h 46mAmerican Airlines
Deal found 12/8$517
This American Airlines deal was found by Cheapflights users on 12/8. 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 12/128:35 amPDX - YYZ
2 stops11h 09mAmerican Airlines
Sat 12/1311:36 amYYZ - PDX
2 stops10h 34mAmerican Airlines
Deal found 12/8$523
This United Airlines deal was found by Cheapflights users on 12/8. 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 12/312:45 pmPDX - YUL
2 stops21h 31mUnited Airlines
Mon 1/122:13 pmYUL - PDX
2 stops25h 28mUnited Airlines
Deal found 12/8$523
This United Airlines deal was found by Cheapflights users on 12/6. 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 12/258:20 amBOI - YYZ
1 stop9h 25mUnited Airlines
Thu 1/16:50 amYYZ - BOI
2 stops16h 41mUnited Airlines
Deal found 12/6$574
This Delta deal was found by Cheapflights users on 12/6. 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 12/253:19 pmBOI - YYZ
1 stop6h 01mDelta
Thu 1/16:00 amYYZ - BOI
1 stop10h 18mDelta
Deal found 12/6$600

Find flight deals from Oregon to Ontario

Keep the following information in mind while searching for Oregon to Ontario flight deals. Data was last updated December 9, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$275
(Ticket)

One-way from

$125
(Flightnetwork)

Popular in

December

Cheapest in

August

Average price

$580
Provider with most accurate pricing for Portland-Toronto (YTO) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Portland-Toronto (YTO) flights.
Search Deals
From Oregon to Ontario
Search Deals
One-way flight from Oregon to Ontario
Search Deals
High demand for flights, 0% potential price rise
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 9, 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

Mon 2/23

6:00 am-3:35 pm

1 stop6h 35m

Toronto Pearson Intl

Fri 2/27

4:45 pm-10:41 pm

1 stop8h 56m

$308

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

Thu 1/29

9:30 pm-3:35 pm

1 stop15h 05m

Toronto Pearson Intl

Thu 2/5

4:45 pm-10:46 pm

1 stop9h 01m

$308

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

Tue 1/6

5:10 am-3:35 pm

1 stop7h 25m

Toronto Pearson Intl

Tue 1/13

4:45 pm-10:46 pm

1 stop9h 01m

$308

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

Mon 3/2

1:36 pm-3:35 pm

1 stop22h 59m

Toronto Pearson Intl

Thu 3/12

4:45 pm-10:41 pm

1 stop8h 56m

$308

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

Tue 1/6

5:10 am-3:35 pm

1 stop7h 25m

Toronto Pearson Intl

Wed 1/14

4:45 pm-10:46 pm

1 stop9h 01m

$308

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

Fri 1/9

9:30 pm-3:35 pm

1 stop15h 05m

Toronto Pearson Intl

Mon 1/12

4:45 pm-10:46 pm

1 stop9h 01m

$308

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

Sat 1/10

9:30 pm-3:35 pm

1 stop15h 05m

Toronto Pearson Intl

Thu 1/15

4:45 pm-10:46 pm

1 stop9h 01m

$308

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

Wed 1/28

9:30 pm-3:35 pm

1 stop15h 05m

Toronto Pearson Intl

Fri 2/6

4:45 pm-10:46 pm

1 stop9h 01m

$308

EugeneToronto

EUG - YYZ

EUGYYZ

Eugene

Sun 2/15

5:42 am-3:35 pm

1 stop6h 53m

Toronto Pearson Intl

Thu 2/19

4:45 pm-9:31 pm

1 stop7h 46m

$308

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

Sun 2/1

11:05 pm-11:48 am

1 stop9h 43m

Toronto Pearson Intl

Mon 2/2

3:30 pm-10:32 pm

1 stop10h 02m

$317

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/9

Showing 1-10 of 60 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, December is the cheapest month in which you can book a flight from Oregon to Region of Ontario (average of $90). Flying from Oregon to Region of Ontario in February is currently the most expensive (average of $372). 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 December 9, 2025.

A simple way to save on the total cost of your ticket is to fly from Oregon to Region of Ontario in the afternoon. If you’re flexible enough to do this you can expect to save up to 37% on your trip compared to booking a flight in the morning.

What is the cheapest day to fly from Oregon to Region of Ontario?

Use this chart to determine the cheapest time to fly round-trip from Oregon to Ontario. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Oregon to Region of Ontario flight should consider departing on Wednesday evenings when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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 December 9, 2025.
Read through reviews of airlines operating flights from Oregon to Ontario, such as Delta, United Airlines, and American 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.
Delta
7.9
Good
8,011 reviews

Food

7.3

Entertainment

7.9

Boarding

8.1

Crew

8.5

Overall

7.9

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,011 reviews
Delta
7.9
Good
8,011 reviews

Food

7.3

Entertainment

7.9

Boarding

8.1

Crew

8.5

Overall

7.9

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,089 reviews
Delta
7.9
Good
8,011 reviews

Food

7.3

Entertainment

7.9

Boarding

8.1

Crew

8.5

Overall

7.9

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,043 reviews
Delta
7.9
Good
8,011 reviews

Food

7.3

Entertainment

7.9

Boarding

8.1

Crew

8.5

Overall

7.9

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
WestJet
7.2
Good
3,193 reviews
Delta
7.9
Good
8,011 reviews

Food

7.3

Entertainment

7.9

Boarding

8.1

Crew

8.5

Overall

7.9

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Air Canada
7.1
Good
10,514 reviews
Delta
7.9
Good
8,011 reviews

Food

7.3

Entertainment

7.9

Boarding

8.1

Crew

8.5

Overall

7.9

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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.

  • How long is the flight from Oregon to Region of Ontario?

    Departing from Oregon to Region of Ontario will take you 6h 35m. The distance from Oregon to Region of Ontario is about 2090 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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 $90 on Delta. Other airlines that offer cheap prices include WestJet from $105 and United Airlines from $117 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, December is the cheapest month in which you can book a flight from Oregon to Region of Ontario (average of $90). Flying from Oregon to Region of Ontario in February is currently the most expensive (average of $372). 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 December 9, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$180Average$414FlexibilityNo cancel feeOn-timeN/A
WestJetCheapest$214Average$363FlexibilityNo cancel feeOn-time60%
Air CanadaCheapest$240Average$620FlexibilityNo cancel feeOn-time67%
Alaska AirlinesCheapest$308Average$447FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$321Average$557FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$321Average$519FlexibilityNo cancel feeOn-time69%

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