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Ontario

$93+ 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 4/15. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — YYZ
Apr 6 — Apr 131
Sun 4/6
Sun 4/13
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 1, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$257
(Mytrip)

One-way from

$93
(Kiwi.com)

Popular in

March

Cheapest in

May

Average price

$519
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. 19% potential increase in price ($105 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($15 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 1, 2025.

This Mytrip deal was found by Cheapflights users on 4/1. 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.
Thu 6/121:45 pmPDX - YOW
2 stops12h 40mWestJet
Sun 6/227:50 amYOW - PDX
1 stop8h 02mWestJet
Deal found 4/1$257
This Mytrip deal was found by Cheapflights users on 4/1. 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 5/51:45 pmPDX - YYZ
2 stops13h 06mMultiple Airlines
Fri 5/91:30 pmYYZ - PDX
2 stops26h 12mMultiple Airlines
Deal found 4/1$258
This Mytrip deal was found by Cheapflights users on 4/1. 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 6/141:45 pmPDX - YYZ
1 stop7h 39mWestJet
Sun 6/226:30 amYYZ - PDX
1 stop9h 22mWestJet
Deal found 4/1$259
This Trip.com deal was found by Cheapflights users on 4/1. 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.
Sun 8/241:45 pmPDX - YUL
1 stop7h 58mWestJet
Thu 8/287:00 amYUL - PDX
1 stop8h 52mWestJet
Deal found 4/1$302
This Mytrip deal was found by Cheapflights users on 3/30. 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.
Tue 6/35:40 pmPDX - YUL
2 stops28h 03mMultiple Airlines
Tue 6/107:00 amYUL - PDX
1 stop8h 52mMultiple Airlines
Deal found 3/30$353
This Air Canada deal was found by Cheapflights users on 4/1. 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 6/286:15 amPDX - YOW
1 stop7h 01mAir Canada
Sat 7/56:00 pmYOW - PDX
1 stop7h 56mAir Canada
Deal found 4/1$355
This Air Canada deal was found by Cheapflights users on 4/1. 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.
Wed 10/2210:00 amPDX - YYZ
1 stop7h 00mAir Canada
Tue 10/2810:00 amYYZ - PDX
1 stop7h 44mAir Canada
Deal found 4/1$357
This Mytrip deal was found by Cheapflights users on 4/1. 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.
Thu 6/121:45 pmPDX - YOW
2 stops12h 40mMultiple Airlines
Sun 6/227:00 amYOW - PDX
3 stops39h 20mMultiple Airlines
Deal found 4/1$366
This United deal was found by Cheapflights users on 3/31. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2311:00 amBOI - YYZ
1 stop11h 41mUnited Airlines
Mon 4/282:50 pmYYZ - BOI
1 stop10h 13mUnited Airlines
Deal found 3/31$372
This Air Canada deal was found by Cheapflights users on 3/31. 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.
Sun 6/83:25 pmPDX - YUL
2 stops12h 45mAir Canada
Tue 6/246:00 pmYUL - PDX
1 stop7h 56mAir Canada
Deal found 3/31$373
This Kiwi.com deal was found by Cheapflights users on 4/1. 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.
Sat 5/38:24 amEUG - YYZ
2 stops13h 00mMultiple Airlines
Wed 5/79:45 amYYZ - EUG
1 stop25h 53mMultiple Airlines
Deal found 4/1$378
This United Airlines deal was found by Cheapflights users on 3/31. 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 8/163:40 pmPDX - YYZ
1 stop12h 20mUnited Airlines
Sun 8/319:00 amYYZ - PDX
3 stops14h 49mUnited Airlines
Deal found 3/31$381

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 1, 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

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Thu 6/12

1:45 pm-5:25 am

2 stops12h 40m

Ottawa

Sun 6/22

7:50 am-12:52 pm

1 stop8h 02m

$257

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

Mon 5/5

1:45 pm-5:51 am

2 stops13h 06m

Toronto Pearson Intl

Fri 5/9

1:30 pm-12:42 pm

2 stops26h 12m

$258

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

Sat 6/14

1:45 pm-12:24 am

1 stop7h 39m

Toronto Pearson Intl

Sun 6/22

6:30 am-12:52 pm

1 stop9h 22m

$259

PortlandMontreal

PDX - YUL

PDXYUL

Portland

Thu 6/5

1:45 pm-12:43 am

1 stop7h 58m

Montreal Pierre Elliott Trudeau Intl

Mon 6/9

7:00 am-12:52 pm

1 stop8h 52m

$313

PortlandMontreal

PDX - YUL

PDXYUL

Portland

Fri 5/16

5:40 pm-12:43 am

2 stops28h 03m

Montreal Pierre Elliott Trudeau Intl

Fri 5/23

6:45 am-12:52 pm

2 stops33h 07m

$351

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Sat 6/28

6:15 am-4:16 pm

1 stop7h 01m

Ottawa

Sat 7/5

6:00 pm-10:56 pm

1 stop7h 56m

$355

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

Sun 6/15

7:40 pm-8:04 am

1 stop9h 24m

Toronto Pearson Intl

Sat 6/21

5:30 pm-10:56 pm

1 stop8h 26m

$357

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Thu 6/12

1:45 pm-5:25 am

2 stops12h 40m

Ottawa

Sun 6/22

7:00 am-7:20 pm

3 stops39h 20m

$366

BoiseToronto

BOI - YYZ

BOIYYZ

Boise Air Term. Gowen Fld

Wed 4/23

11:00 am-12:41 am

1 stop11h 41m

Toronto Pearson Intl

Mon 4/28

2:50 pm-11:03 pm

1 stop10h 13m

$372

PortlandMontreal

PDX - YUL

PDXYUL

Portland

Sun 6/8

3:25 pm-7:10 am

2 stops12h 45m

Montreal Pierre Elliott Trudeau Intl

Tue 6/24

6:00 pm-10:56 pm

1 stop7h 56m

$373

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/31

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 $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 1, 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 1, 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
9,820 reviews

Comfort

7.9

Crew

8.5

Boarding

8.2

Entertainment

7.1

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,820 reviews
Alaska Airlines
8.0
Very good
9,820 reviews

Comfort

7.9

Crew

8.5

Boarding

8.2

Entertainment

7.1

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,898 reviews
Alaska Airlines
8.0
Very good
9,820 reviews

Comfort

7.9

Crew

8.5

Boarding

8.2

Entertainment

7.1

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,615 reviews
Alaska Airlines
8.0
Very good
9,820 reviews

Comfort

7.9

Crew

8.5

Boarding

8.2

Entertainment

7.1

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,820 reviews

Comfort

7.9

Crew

8.5

Boarding

8.2

Entertainment

7.1

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
WestJet
7.2
Good
2,789 reviews
Alaska Airlines
8.0
Very good
9,820 reviews

Comfort

7.9

Crew

8.5

Boarding

8.2

Entertainment

7.1

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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 $109 on WestJet. Other airlines that offer cheap prices include United Airlines from $157 and Air Canada from $161 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

Browse thousands of different options on Cheapflights for your next trip

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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 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$139Average$553FlexibilityNo cancel feeOn-time67%
WestJetCheapest$207Average$365FlexibilityNo cancel feeOn-time60%
United AirlinesCheapest$296Average$566FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$300Average$534FlexibilityNo cancel feeOn-time75%
DeltaCheapest$317Average$471FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$348Average$536FlexibilityNo cancel feeOn-time71%

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