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$90+ 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 3/9. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — YYZ
feb. 4 — feb. 111
mar. 2/4
mar. 2/11
1 adult, Economy
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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 enero 30, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$258
(Kiwi.com)

One-way from

$93
(Mytrip)

Popular in

March

Cheapest in

May

Average price

$431
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. 13% potential increase in price ($65 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in January 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 enero 30, 2025.

This Kiwi.com deal was found by Cheapflights users on 1/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 3/111:31 pmBOI - YYZ
2 stops14h 46mMultiple Airlines
mar. 3/187:25 pmYYZ - BOI
1 stop19h 11mMultiple Airlines
Deal found 1/30$258
This Kiwi.com deal was found by Cheapflights users on 1/29. 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.
vie. 3/286:50 pmPDX - YYZ
1 stop8h 53mMultiple Airlines
lun. 3/318:00 pmYYZ - PDX
1 stop17h 20mMultiple Airlines
Deal found 1/29$276
This Mytrip deal was found by Cheapflights users on 1/30. 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.
lun. 2/248:28 pmPDX - YTZ
2 stops20h 37mMultiple Airlines
mar. 3/46:45 amYTZ - PDX
3 stops33h 53mMultiple Airlines
Deal found 1/30$304
This Mytrip deal was found by Cheapflights users on 1/30. 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.
mié. 3/52:33 pmPDX - YUL
2 stops15h 27mMultiple Airlines
lun. 3/103:55 pmYUL - PDX
3 stops29h 42mMultiple Airlines
Deal found 1/30$359
This United Airlines deal was found by Cheapflights users on 1/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 3/111:20 pmBOI - YYZ
1 stop9h 06mUnited Airlines
mar. 3/188:05 amYYZ - BOI
1 stop10h 14mUnited Airlines
Deal found 1/30$360
This Delta deal was found by Cheapflights users on 1/29. 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.
lun. 2/2412:59 amPDX - YYZ
1 stop9h 45mDelta
mar. 3/412:20 pmYYZ - PDX
1 stop12h 33mDelta
Deal found 1/29$361
This Air Canada deal was found by Cheapflights users on 1/29. 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.
mar. 2/186:58 pmBOI - YYZ
1 stop10h 32mAir Canada
vie. 2/2112:50 pmYYZ - BOI
1 stop11h 09mAir Canada
Deal found 1/29$361
This Delta deal was found by Cheapflights users on 1/29. 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.
vie. 3/281:45 pmBOI - YYZ
1 stop8h 13mDelta
dom. 3/306:30 amYYZ - BOI
1 stop9h 35mDelta
Deal found 1/29$363
This Alaska Airlines deal was found by Cheapflights users on 1/30. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 2/271:12 pmEUG - YYZ
1 stop22h 43mAlaska Airlines
mar. 3/44:20 pmYYZ - EUG
1 stop7h 50mAlaska Airlines
Deal found 1/30$364
This United Airlines deal was found by Cheapflights users on 1/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 3/166:00 amEUG - YYZ
1 stop15h 22mUnited Airlines
dom. 3/2312:50 pmYYZ - EUG
1 stop11h 02mUnited Airlines
Deal found 1/30$367
This American Airlines deal was found by Cheapflights users on 1/29. 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.
mar. 2/2510:01 pmPDX - YYZ
1 stop14h 49mAmerican Airlines
mar. 3/46:15 amYYZ - PDX
2 stops11h 58mAmerican Airlines
Deal found 1/29$370
This Delta deal was found by Cheapflights users on 1/29. 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.
mié. 2/195:15 amRDM - YYZ
2 stops14h 52mDelta
vie. 2/215:00 pmYYZ - RDM
1 stop9h 53mDelta
Deal found 1/29$373

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 2,558,603 searches. Data last updated enero 30, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

BoiseToronto

BOI - YYZ

BOIYYZ

Boise Air Term. Gowen Fld

mar. 3/11

1:31 pm-6:17 am

2 stops14h 46m

Toronto Pearson Intl

mar. 3/18

7:25 pm-12:36 pm

1 stop19h 11m

$258

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

lun. 2/24

10:16 am-5:55 am

1 stop16h 39m

Toronto Pearson Intl

mar. 2/25

12:00 pm-9:21 am

2 stops24h 21m

$279

PortlandToronto

PDX - YTZ

PDXYTZ

Portland

lun. 2/24

8:28 pm-8:05 pm

2 stops20h 37m

Toronto Island

mar. 3/4

6:45 am-1:38 pm

3 stops33h 53m

$304

BoiseToronto

BOI - YYZ

BOIYYZ

Boise Air Term. Gowen Fld

mar. 3/11

1:20 pm-12:26 am

1 stop9h 06m

Toronto Pearson Intl

mar. 3/18

8:05 am-4:19 pm

1 stop10h 14m

$360

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

lun. 2/24

12:59 am-1:44 pm

1 stop9h 45m

Toronto Pearson Intl

mar. 3/4

12:20 pm-9:53 pm

1 stop12h 33m

$361

BoiseToronto

BOI - YYZ

BOIYYZ

Boise Air Term. Gowen Fld

mar. 2/18

6:58 pm-7:30 am

1 stop10h 32m

Toronto Pearson Intl

vie. 2/21

12:50 pm-9:59 pm

1 stop11h 09m

$361

BoiseToronto

BOI - YYZ

BOIYYZ

Boise Air Term. Gowen Fld

vie. 3/28

1:45 pm-11:58 pm

1 stop8h 13m

Toronto Pearson Intl

dom. 3/30

6:30 am-2:05 pm

1 stop9h 35m

$363

EugeneToronto

EUG - YYZ

EUGYYZ

Eugene

jue. 2/27

1:12 pm-2:55 pm

1 stop22h 43m

Toronto Pearson Intl

mar. 3/4

4:20 pm-9:10 pm

1 stop7h 50m

$364

PortlandMontreal

PDX - YUL

PDXYUL

Portland

mié. 3/5

2:33 pm-9:00 am

2 stops15h 27m

Montreal Pierre Elliott Trudeau Intl

lun. 3/10

6:35 pm-6:37 pm

3 stops27h 02m

$364

EugeneToronto

EUG - YYZ

EUGYYZ

Eugene

dom. 3/16

6:00 am-12:22 am

1 stop15h 22m

Toronto Pearson Intl

dom. 3/23

12:50 pm-8:52 pm

1 stop11h 02m

$367

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/30

Showing 1-10 of 57 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.

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 $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 enero 30, 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 enero 30, 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
9,686 reviews

Food

7.1

Overall

8.0

Crew

8.5

Entertainment

7.1

Boarding

8.2

Comfort

7.9

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
9,686 reviews
Alaska Airlines
8.0
Very good
9,686 reviews

Food

7.1

Overall

8.0

Crew

8.5

Entertainment

7.1

Boarding

8.2

Comfort

7.9

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
8,450 reviews
Alaska Airlines
8.0
Very good
9,686 reviews

Food

7.1

Overall

8.0

Crew

8.5

Entertainment

7.1

Boarding

8.2

Comfort

7.9

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
8,906 reviews
Alaska Airlines
8.0
Very good
9,686 reviews

Food

7.1

Overall

8.0

Crew

8.5

Entertainment

7.1

Boarding

8.2

Comfort

7.9

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
9,686 reviews

Food

7.1

Overall

8.0

Crew

8.5

Entertainment

7.1

Boarding

8.2

Comfort

7.9

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
2,817 reviews
Alaska Airlines
8.0
Very good
9,686 reviews

Food

7.1

Overall

8.0

Crew

8.5

Entertainment

7.1

Boarding

8.2

Comfort

7.9

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 $153 on Delta. Other airlines that offer cheap prices include American Airlines from $157 and United Airlines from $164 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 enero 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$137Average$539FlexibilityNo cancel feeOn-time67%
WestJetCheapest$213Average$434FlexibilityNo cancel feeOn-time60%
United AirlinesCheapest$260Average$585FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$300Average$532FlexibilityNo cancel feeOn-time75%
DeltaCheapest$317Average$474FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$348Average$536FlexibilityNo cancel feeOn-time71%
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