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Ontario

$101+ 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 8/8. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — YYZ
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$235
(Trip.com)

One-way from

$101
(Mytrip)

Popular in

March

Cheapest in

August

Average price

$470
From Oregon to Ontario
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One-way flight from Oregon to Ontario
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($86 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% 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 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 June 12, 2025.

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.
Tue 7/221:45 pmPDX - YYZ
1 stop7h 39mWestJet
Tue 7/298:00 amYYZ - PDX
1 stop8h 05mWestJet
Deal found 6/10$235
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/43:25 pmPDX - YUL
2 stops12h 45mMultiple Airlines
Wed 8/137:00 amYUL - PDX
1 stop9h 05mMultiple Airlines
Deal found 6/12$286
This Orbitz 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/41:45 pmPDX - YYZ
1 stop7h 37mMultiple Airlines
Tue 9/94:45 pmYYZ - PDX
1 stop10h 14mMultiple Airlines
Deal found 6/11$292
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/1811:07 pmPDX - YYZ
1 stop15h 08mAmerican Airlines
Mon 7/216:24 pmYYZ - PDX
1 stop18h 25mAmerican Airlines
Deal found 6/12$298
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.
Sat 7/127:40 pmPDX - YOW
1 stop9h 39mAir Canada
Tue 7/226:00 pmYOW - PDX
1 stop8h 01mAir Canada
Deal found 6/10$299
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.
Mon 9/157:40 pmPDX - YUL
2 stops11h 10mAir Canada
Tue 9/161:30 pmYUL - PDX
2 stops12h 31mAir Canada
Deal found 6/10$301
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/201:45 pmPDX - YUL
1 stop7h 58mWestJet
Sat 9/67:00 amYUL - PDX
1 stop8h 48mWestJet
Deal found 6/11$302
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.
Mon 8/117:40 pmPDX - YYZ
1 stop9h 00mAir Canada
Sat 8/1610:50 pmYYZ - PDX
1 stop13h 40mAir Canada
Deal found 6/10$303
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/131:45 pmPDX - YOW
2 stops12h 40mWestJet
Sun 8/175:15 pmYOW - PDX
2 stops22h 50mWestJet
Deal found 6/9$307
This Flysmarter 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/251:43 pmPDX - YYZ
2 stops19h 57mBritish Airways
Fri 8/11:20 pmYYZ - PDX
2 stops26h 01mBritish Airways
Deal found 6/10$320
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.
Mon 9/155:40 pmPDX - YUL
1 stop11h 36mUnited Airlines
Tue 9/1611:23 amYUL - PDX
2 stops12h 38mUnited Airlines
Deal found 6/10$320
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.
Thu 8/1411:59 pmPDX - YYZ
1 stop11h 31mUnited Airlines
Sat 8/239:44 amYYZ - PDX
1 stop8h 21mUnited Airlines
Deal found 6/9$322

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 June 12, 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

Tue 7/22

1:45 pm-12:24 am

1 stop7h 39m

Toronto Pearson Intl

Tue 7/29

8:00 am-1:05 pm

1 stop8h 05m

$235

PortlandMontreal

PDX - YUL

PDXYUL

Portland

Mon 8/4

3:25 pm-7:10 am

2 stops12h 45m

Montreal Pierre Elliott Trudeau Intl

Wed 8/13

7:00 am-1:05 pm

1 stop9h 05m

$286

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

Thu 9/4

1:45 pm-12:22 am

1 stop7h 37m

Toronto Pearson Intl

Tue 9/9

4:45 pm-11:59 pm

1 stop10h 14m

$292

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

Fri 7/18

11:07 pm-5:15 pm

1 stop15h 08m

Toronto Pearson Intl

Mon 7/21

6:24 pm-9:49 am

1 stop18h 25m

$298

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Sat 7/12

7:40 pm-8:19 am

1 stop9h 39m

Ottawa

Tue 7/22

6:00 pm-11:01 pm

1 stop8h 01m

$299

PortlandMontreal

PDX - YUL

PDXYUL

Portland

Mon 9/15

7:40 pm-9:50 am

2 stops11h 10m

Montreal Pierre Elliott Trudeau Intl

Tue 9/16

1:30 pm-11:01 pm

2 stops12h 31m

$301

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

7:00 am-12:48 pm

1 stop8h 48m

$302

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

Mon 8/11

7:40 pm-7:40 am

1 stop9h 00m

Toronto Pearson Intl

Sat 8/16

10:50 pm-9:30 am

1 stop13h 40m

$303

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Wed 8/13

1:45 pm-5:25 am

2 stops12h 40m

Ottawa

Sun 8/17

5:15 pm-1:05 pm

2 stops22h 50m

$307

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

Fri 7/25

1:43 pm-12:40 pm

2 stops19h 57m

Toronto Pearson Intl

Fri 8/1

1:20 pm-12:21 pm

2 stops26h 01m

$320

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

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, 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 $353). 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 June 12, 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 June 12, 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
10,000 reviews

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
Delta
8.0
Very good
7,946 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
WestJet
7.2
Good
2,868 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.

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 $101 on WestJet. Other airlines that offer cheap prices include Air Canada from $113 and American Airlines from $121 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 $353). 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$139Average$553FlexibilityNo cancel feeOn-time67%
WestJetCheapest$207Average$431FlexibilityNo cancel feeOn-time60%
DeltaCheapest$229Average$436FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$296Average$593FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$321Average$459FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$343Average$458FlexibilityNo cancel feeOn-time75%

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