HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
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 12/4. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — YYZ
Nov 25 — Dec 21
Mon 11/25
Mon 12/2
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Oregon to Ontario with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Oregon to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Oregon (USOR) 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 November 20, 2024.

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 November 20, 2024.

This Kiwi.com deal was found by Cheapflights users on 11/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/252:55 pmPDX - YYZ
1 stop12h 51mMultiple Airlines
Sun 1/57:25 pmYYZ - PDX
1 stop25h 34mMultiple Airlines
Deal found 11/19$349
This Kiwi.com deal was found by Cheapflights users on 11/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/86:46 amPDX - YUL
2 stops14h 42mMultiple Airlines
Thu 12/125:35 pmYUL - PDX
1 stop19h 12mMultiple Airlines
Deal found 11/20$349
This Alaska Airlines deal was found by Cheapflights users on 11/20. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/275:00 amPDX - YYZ
1 stop6h 55mAlaska Airlines
Fri 12/134:20 pmYYZ - PDX
1 stop9h 35mAlaska Airlines
Deal found 11/20$363
This Kissandfly.com deal was found by Cheapflights users on 11/19. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/76:53 pmBOI - YUL
2 stops13h 27mLufthansa
Sat 12/146:20 pmYUL - BOI
1 stop19h 15mLufthansa
Deal found 11/19$383
This Kissandfly.com deal was found by Cheapflights users on 11/19. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/73:36 pmBOI - YUL
1 stop6h 05mMultiple Airlines
Sat 12/146:20 pmYUL - BOI
1 stop19h 15mMultiple Airlines
Deal found 11/19$387
This Delta deal was found by Cheapflights users on 11/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/276:20 amPDX - YYZ
1 stop9h 46mDelta
Fri 12/135:04 pmYYZ - PDX
2 stops9h 25mDelta
Deal found 11/20$396
This United Airlines deal was found by Cheapflights users on 11/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/105:00 amPDX - YUL
1 stop9h 08mUnited Airlines
Tue 12/176:20 pmYUL - PDX
1 stop9h 15mUnited Airlines
Deal found 11/19$396
This United Airlines deal was found by Cheapflights users on 11/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/75:26 pmBOI - YUL
2 stops15h 06mUnited Airlines
Sat 12/141:15 pmYUL - BOI
2 stops22h 45mUnited Airlines
Deal found 11/19$422
This KAYAK deal was found by Cheapflights users on 11/19. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/210:17 pmPDX - YUL
2 stops21h 42mAmerican Airlines
Fri 12/65:30 pmYUL - PDX
2 stops20h 33mAmerican Airlines
Deal found 11/19$424
This Alaska Airlines deal was found by Cheapflights users on 11/18. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/125:00 amEUG - YYZ
1 stop6h 55mAlaska Airlines
Sun 12/154:20 pmYYZ - EUG
1 stop7h 34mAlaska Airlines
Deal found 11/18$431
This Delta deal was found by Cheapflights users on 11/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/1010:25 amPDX - YUL
2 stops9h 46mDelta
Tue 12/1712:50 pmYUL - PDX
2 stops14h 38mDelta
Deal found 11/19$436
This Mytrip deal was found by Cheapflights users on 11/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/97:16 pmPDX - YTZ
2 stops21h 49mMultiple Airlines
Wed 12/111:10 pmYTZ - PDX
3 stops27h 47mMultiple Airlines
Deal found 11/19$449

Find flights from Oregon to Ontario within your budget

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 2,629,791 searches. Data last updated November 20, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

PortlandMontreal

PDX - YUL

PDXYUL

Portland

Sun 1/26

9:41 pm-10:45 pm

3 stops22h 04m

Montreal Pierre Elliott Trudeau Intl

Wed 1/29

11:50 am-9:21 am

3 stops24h 31m

$339

PortlandToronto

PDX - YTZ

PDXYTZ

Portland

Thu 1/9

9:41 pm-6:53 pm

2 stops18h 12m

Toronto Island

Wed 1/15

10:00 am-9:21 am

3 stops26h 21m

$347

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

Thu 1/9

6:15 pm-3:30 pm

2 stops18h 15m

Toronto Pearson Intl

Wed 1/15

11:31 am-8:11 pm

2 stops11h 40m

$348

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

Wed 12/25

2:55 pm-6:46 am

1 stop12h 51m

Toronto Pearson Intl

Sun 1/5

7:25 pm-5:59 pm

1 stop25h 34m

$349

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

Wed 2/5

1:37 pm-3:05 pm

2 stops22h 28m

Toronto Pearson Intl

Sat 2/8

4:20 pm-8:46 pm

1 stop7h 26m

$352

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

Thu 1/9

5:29 am-3:52 pm

1 stop7h 23m

Toronto Pearson Intl

Wed 1/15

7:45 am-8:50 pm

2 stops16h 05m

$355

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Tue 1/21

9:41 pm-4:50 pm

1 stop16h 09m

Ottawa

Mon 1/27

6:10 pm-8:46 pm

1 stop29h 36m

$366

BoiseToronto

BOI - YYZ

BOIYYZ

Boise Air Term. Gowen Fld

Fri 2/28

8:59 pm-2:55 pm

1 stop15h 56m

Toronto Pearson Intl

Wed 3/5

4:10 pm-10:41 pm

1 stop8h 31m

$375

BoiseMontreal

BOI - YUL

BOIYUL

Boise Air Term. Gowen Fld

Sat 12/7

6:53 pm-10:20 am

2 stops13h 27m

Montreal Pierre Elliott Trudeau Intl

Sat 12/14

6:20 pm-11:35 am

1 stop19h 15m

$383

BoiseMontreal

BOI - YUL

BOIYUL

Boise Air Term. Gowen Fld

Sat 12/7

3:36 pm-11:41 pm

1 stop6h 05m

Montreal Pierre Elliott Trudeau Intl

Sat 12/14

6:20 pm-11:35 am

1 stop19h 15m

$387

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/20

Showing 1-10 of 49 results
1
2
3
...
5

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.

Travel insights for flights from Oregon to Ontario

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

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 $242). 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 November 20, 2024.

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 November 20, 2024.
Read through reviews of airlines operating flights from Oregon to Ontario, such as Alaska Airlines, 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.
Alaska Airlines
8.0
Very good
9,461 reviews

Food

7.2

Comfort

7.9

Entertainment

7.1

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

Alaska Airlines
8.0
Very good
9,461 reviews
Alaska Airlines
8.0
Very good
9,461 reviews

Food

7.2

Comfort

7.9

Entertainment

7.1

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

Delta
8.0
Very good
8,756 reviews
Alaska Airlines
8.0
Very good
9,461 reviews

Food

7.2

Comfort

7.9

Entertainment

7.1

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

KLM
7.8
Good
1,350 reviews
Alaska Airlines
8.0
Very good
9,461 reviews

Food

7.2

Comfort

7.9

Entertainment

7.1

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

United Airlines
7.4
Good
9,171 reviews
Alaska Airlines
8.0
Very good
9,461 reviews

Food

7.2

Comfort

7.9

Entertainment

7.1

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

WestJet
7.3
Good
2,811 reviews
Alaska Airlines
8.0
Very good
9,461 reviews

Food

7.2

Comfort

7.9

Entertainment

7.1

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

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 $132 on Delta. Other airlines that offer cheap prices include Air Canada from $224 and WestJet from $352 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 $242). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Oregon to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
Newark to Pearson Intl flights
Newark to Toronto Island flights
LaGuardia to Pearson Intl flights
John F Kennedy Intl to Vancouver Intl flights
John F Kennedy Intl to Pearson Intl flights
San Francisco to Vancouver Intl flights
John F Kennedy Intl to Pierre Elliott Trudeau Intl flights
Los Angeles to Vancouver Intl flights
Newark to Vancouver Intl flights
Newark to Pierre Elliott Trudeau Intl flights
O'Hare Intl to Vancouver Intl flights
LaGuardia to Vancouver Intl flights
Boston to Pearson Intl flights
Reagan-National to Pearson Intl flights
Dallas/Fort Worth to Vancouver Intl flights
LaGuardia to Pierre Elliott Trudeau Intl flights
Los Angeles to Pearson Intl flights
Los Angeles to Abbotsford flights
San Francisco to Pearson Intl flights
Dulles Intl to Pearson Intl flights
Denver to Vancouver Intl flights
Santa Ana to Vancouver Intl flights
Dallas/Fort Worth to Pearson Intl flights
Reagan-National to Pierre Elliott Trudeau Intl flights
O'Hare Intl to Pearson Intl flights
Dulles Intl to Pierre Elliott Trudeau Intl flights
Minneapolis to Vancouver Intl flights
Boston to Toronto Island flights
Dulles Intl to Vancouver Intl flights
Newark to Québec City flights
Baltimore to Pearson Intl flights
Boston to Vancouver Intl flights
Ontario to Vancouver Intl flights
Reagan-National to Vancouver Intl flights
Baltimore to Vancouver Intl flights
Hobby to Vancouver Intl flights
Seattle to Vancouver Intl flights
Atlanta to Vancouver Intl flights
Newark to Calgary flights
John F Kennedy Intl to Calgary flights
Miami to Pearson Intl flights
Atlanta to Pearson Intl flights
San Francisco to Abbotsford flights
Dulles Intl to Toronto Island flights
John F Kennedy Intl to Abbotsford flights
Seattle to Pearson Intl flights
Los Angeles to Pierre Elliott Trudeau Intl flights
Los Angeles to Calgary flights
George Bush Intcntl to Vancouver Intl flights
O'Hare Intl to Pierre Elliott Trudeau Intl flights

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 2,629,791 searches. Data last updated November 20, 2024.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$138Average$527FlexibilityNo cancel feeOn-time67%
WestJetCheapest$213Average$433FlexibilityNo cancel feeOn-time60%
United AirlinesCheapest$250Average$653FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$321Average$472FlexibilityNo cancel feeOn-time75%
DeltaCheapest$332Average$463FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$348Average$531FlexibilityNo cancel feeOn-time71%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
View all available airlines