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Ontario

$138+ 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 11/5. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — YYZ
Aug 25 — Sep 11
Mon 8/25
Mon 9/1
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 August 20, 2025.

Round-trip from

$261
(Flightnetwork)

One-way from

$138
(Mytrip)

Popular in

March

Cheapest in

August

Average price

$365
From Oregon to Ontario
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One-way flight from Oregon to Ontario
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Highest demand for flights based on searches. 14% potential increase in price ($75 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 August 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 August 20, 2025.

This Flightnetwork deal was found by Cheapflights users on 8/19. 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 10/46:15 amPDX - YTZ
2 stops9h 31mAir Canada
Sat 10/114:10 pmYTZ - PDX
2 stops9h 51mAir Canada
Deal found 8/19$261
This Gotogate deal was found by Cheapflights users on 8/18. 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 9/1310:00 amPDX - YYZ
1 stop9h 36mAir Canada
Sat 9/206:45 pmYYZ - PDX
1 stop7h 16mAir Canada
Deal found 8/18$283
This Mytrip deal was found by Cheapflights users on 8/18. 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.
Sat 9/277:40 pmPDX - YYZ
1 stop8h 20mAir Canada
Fri 10/38:00 amYYZ - PDX
1 stop9h 46mAir Canada
Deal found 8/18$285
This Kiwi.com deal was found by Cheapflights users on 8/18. 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.
Tue 9/2312:07 pmPDX - YYZ
1 stop28h 38mMultiple Airlines
Wed 10/19:30 amYYZ - PDX
1 stop28h 41mMultiple Airlines
Deal found 8/18$295
This Kiwi.com deal was found by Cheapflights users on 8/18. 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 10/158:36 pmPDX - YYZ
1 stop20h 22mMultiple Airlines
Wed 10/229:30 amYYZ - PDX
1 stop13h 06mMultiple Airlines
Deal found 8/18$297
This Kiwi.com deal was found by Cheapflights users on 8/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1612:07 pmPDX - YYZ
1 stop28h 38mMultiple Airlines
Tue 9/233:00 pmYYZ - PDX
2 stops23h 11mMultiple Airlines
Deal found 8/17$299
This Kiwi.com deal was found by Cheapflights users on 8/18. 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.
Tue 9/2312:07 pmPDX - YYZ
1 stop28h 38mMultiple Airlines
Tue 9/301:30 pmYYZ - PDX
2 stops24h 41mMultiple Airlines
Deal found 8/18$300
This flygcity.se deal was found by Cheapflights users on 8/18. 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 flygcity.se is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/139:00 amPDX - YYZ
2 stops10h 29mMultiple Airlines
Sat 9/206:45 pmYYZ - PDX
1 stop7h 16mMultiple Airlines
Deal found 8/18$301
This Kiwi.com deal was found by Cheapflights users on 8/18. 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.
Tue 9/2312:07 pmPDX - YYZ
1 stop28h 38mMultiple Airlines
Mon 9/2912:00 pmYYZ - PDX
2 stops26h 11mMultiple Airlines
Deal found 8/18$304
This Kiwi.com deal was found by Cheapflights users on 8/18. 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 9/2412:07 pmPDX - YYZ
2 stops15h 05mMultiple Airlines
Wed 10/19:30 amYYZ - PDX
1 stop28h 41mMultiple Airlines
Deal found 8/18$305
This Flightnetwork deal was found by Cheapflights users on 8/20. 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.
Thu 9/117:40 pmPDX - YUL
2 stops11h 12mAir Canada
Wed 9/178:00 amYUL - PDX
2 stops13h 46mAir Canada
Deal found 8/20$321
This American Airlines deal was found by Cheapflights users on 8/20. 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 10/151:26 pmBOI - YYZ
1 stop19h 33mAmerican Airlines
Sat 10/186:30 amYYZ - BOI
1 stop8h 16mAmerican Airlines
Deal found 8/20$343

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 August 20, 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 - YTZ

PDXYTZ

Portland

Sat 10/4

6:15 am-6:46 pm

2 stops9h 31m

Toronto Island

Sat 10/11

4:10 pm-11:01 pm

2 stops9h 51m

$261

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

Sat 9/13

10:00 am-10:36 pm

1 stop9h 36m

Toronto Pearson Intl

Sat 9/20

6:45 pm-11:01 pm

1 stop7h 16m

$283

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

Sat 9/27

7:40 pm-7:00 am

1 stop8h 20m

Toronto Pearson Intl

Fri 10/3

8:00 am-2:46 pm

1 stop9h 46m

$285

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

Tue 9/23

5:08 pm-6:47 am

2 stops34h 39m

Toronto Pearson Intl

Wed 10/1

9:30 am-11:11 am

1 stop28h 41m

$290

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

Wed 10/15

8:36 pm-7:58 pm

1 stop20h 22m

Toronto Pearson Intl

Wed 10/22

9:30 am-7:36 pm

1 stop13h 06m

$297

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

Tue 9/16

12:07 pm-7:45 pm

1 stop28h 38m

Toronto Pearson Intl

Tue 9/23

3:00 pm-11:11 am

2 stops23h 11m

$299

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

Tue 9/23

12:07 pm-7:45 pm

1 stop28h 38m

Toronto Pearson Intl

Tue 9/30

1:30 pm-11:11 am

2 stops24h 41m

$300

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

Sat 9/13

9:00 am-10:29 pm

2 stops10h 29m

Toronto Pearson Intl

Sat 9/20

6:45 pm-11:01 pm

1 stop7h 16m

$301

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

Tue 9/23

12:07 pm-7:45 pm

1 stop28h 38m

Toronto Pearson Intl

Mon 9/29

12:00 pm-11:11 am

2 stops26h 11m

$304

PortlandMontreal

PDX - YUL

PDXYUL

Portland

Thu 9/11

7:40 pm-9:52 am

2 stops11h 12m

Montreal Pierre Elliott Trudeau Intl

Wed 9/17

8:00 am-6:46 pm

2 stops13h 46m

$321

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/18

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 August is currently the most expensive (average of $348). 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 August 20, 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.

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 August 20, 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

Comfort

7.8

Overall

8.0

Boarding

8.1

Crew

8.5

Food

7.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Overall

8.0

Boarding

8.1

Crew

8.5

Food

7.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.
Delta
8.0
Very good
7,982 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Overall

8.0

Boarding

8.1

Crew

8.5

Food

7.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.
United Airlines
7.4
Good
8,928 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Overall

8.0

Boarding

8.1

Crew

8.5

Food

7.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.
WestJet
7.2
Good
3,040 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Overall

8.0

Boarding

8.1

Crew

8.5

Food

7.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.
Air Canada
7.1
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Overall

8.0

Boarding

8.1

Crew

8.5

Food

7.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.

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 8h 11m. The distance from Oregon to Region of Ontario is about 1814 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 $138 on Air Canada. Other airlines that offer cheap prices include United Airlines from $144 and Alaska Airlines from $144 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 August is currently the most expensive (average of $348). 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 August 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest$214Average$390FlexibilityNo cancel feeOn-time60%
DeltaCheapest$229Average$431FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$296Average$550FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$296Average$612FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$298Average$469FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$352Average$453FlexibilityNo cancel feeOn-time75%

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