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Oregon

$150+ Cheap flights from Ontario to Oregon

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 9/5. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — PDX
Aug 30 — Sep 61
Sun 8/30
Sun 9/6
1 adult, Economy
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Cheap flight deals from Ontario to Oregon

Cheapest flights from Ontario to Oregon
Explore the most affordable flight options available from Ontario to Oregon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2026.

This oojo deal was found by Cheapflights users on 7/31. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/297:15 am
YUL
-
PDX
1 stop9h 35m
WestJet
Sat 9/122:30 pm
PDX
-
YUL
2 stops30h 55m
WestJet
Deal found 7/31$277
This Trip.com deal was found by Cheapflights users on 7/31. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/17:15 am
YUL
-
PDX
1 stop9h 35m
WestJet
Thu 9/102:30 pm
PDX
-
YUL
1 stop13h 35m
WestJet
Deal found 7/31$282
This Justfly.com deal was found by Cheapflights users on 7/30. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/297:15 am
YUL
-
PDX
1 stop9h 35m
WestJet
Sat 9/52:30 pm
PDX
-
YUL
1 stop30h 15m
WestJet
Deal found 7/30$284
This Air Canada deal was found by Cheapflights users on 7/30. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/77:30 am
YUL
-
PDX
1 stop10h 11m
Air Canada
Tue 11/1010:00 am
PDX
-
YUL
2 stops10h 18m
Air Canada
Deal found 7/30$294
This United Airlines deal was found by Cheapflights users on 7/31. 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 8/226:00 am
YUL
-
PDX
1 stop19h 03m
United Airlines
Sat 9/511:18 pm
PDX
-
YUL
1 stop10h 51m
United Airlines
Deal found 7/31$295
This Air Canada deal was found by Cheapflights users on 7/28. 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 10/177:30 am
YUL
-
PDX
1 stop10h 21m
Air Canada
Mon 10/197:45 pm
PDX
-
YUL
1 stop8h 25m
Air Canada
Deal found 7/28$297
This United Airlines deal was found by Cheapflights users on 7/28. 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 10/136:35 pm
YUL
-
PDX
1 stop18h 40m
United Airlines
Sat 10/172:27 pm
PDX
-
YUL
1 stop17h 13m
United Airlines
Deal found 7/28$299
This American Airlines deal was found by Cheapflights users on 7/28. 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 9/116:30 am
YYZ
-
BOI
1 stop10h 01m
American Airlines
Fri 9/183:21 pm
BOI
-
YYZ
1 stop19h 14m
American Airlines
Deal found 7/28$300
This United Airlines deal was found by Cheapflights users on 7/30. 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.
Sat 8/299:45 am
YUL
-
PDX
2 stops11h 05m
United Airlines
Sat 9/511:18 pm
PDX
-
YUL
1 stop10h 51m
United Airlines
Deal found 7/30$300
This American Airlines deal was found by Cheapflights users on 7/31. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/225:35 pm
YUL
-
PDX
1 stop20h 59m
American Airlines
Sat 8/2910:05 pm
PDX
-
YUL
1 stop11h 43m
American Airlines
Deal found 7/31$302
This Delta deal was found by Cheapflights users on 7/29. 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.
Tue 8/2512:47 pm
YUL
-
PDX
2 stops14h 09m
Delta
Sat 9/126:00 am
PDX
-
YUL
2 stops14h 50m
Delta
Deal found 7/29$303
This United Airlines deal was found by Cheapflights users on 7/27. 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 9/226:30 am
YYZ
-
BOI
1 stop11h 01m
United Airlines
Sat 9/266:25 am
BOI
-
YYZ
1 stop6h 49m
United Airlines
Deal found 7/27$304

Find flight deals from Ontario to Oregon

Keep the following information in mind while searching for Ontario to Oregon flight deals. Data was last updated July 31, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$277
(oojo)

One-way from

$150
(oojo)

Popular in

July

Cheapest in

March

Average price

$449
Provider with most accurate pricing for Toronto (YTO)-Portland flight deals.
Search Deals
Provider most trusted by Cheapflights users for Toronto (YTO)-Portland flights.
Search Deals
From Ontario to Oregon
Search Deals
One-way flight from Ontario to Oregon
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($13 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Oregon 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 July 31, 2026.
Use the filters below to find and compare flights from Ontario to Oregon that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MontrealPortland

YUL - PDX

YULPDX

Montreal Pierre Elliott Trudeau Intl

Tue 10/13

6:35 pm-10:15 am

1 stop18h 40m

Portland

Sat 10/17

2:27 pm-10:40 am

1 stop17h 13m

$295

MontrealPortland

YUL - PDX

YULPDX

Montreal Pierre Elliott Trudeau Intl

Tue 8/25

6:00 am-10:03 pm

1 stop19h 03m

Portland

Sat 9/12

7:27 pm-8:16 am

1 stop9h 49m

$299

MontrealPortland

YUL - PDX

YULPDX

Montreal Pierre Elliott Trudeau Intl

Sat 8/29

6:00 am-4:03 pm

2 stops13h 03m

Portland

Sat 9/12

6:00 am-11:50 pm

2 stops14h 50m

$303

MontrealPortland

YUL - PDX

YULPDX

Montreal Pierre Elliott Trudeau Intl

Tue 9/22

6:00 am-9:05 pm

2 stops18h 05m

Portland

Tue 9/29

5:00 am-9:26 pm

2 stops13h 26m

$303

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

Tue 9/22

6:30 am-3:31 pm

1 stop11h 01m

Boise Air Term. Gowen Fld

Sat 9/26

6:25 am-3:14 pm

1 stop6h 49m

$304

MontrealPortland

YUL - PDX

YULPDX

Montreal Pierre Elliott Trudeau Intl

Sat 8/22

6:35 pm-10:11 am

1 stop18h 36m

Portland

Sat 9/5

12:45 pm-10:40 am

2 stops18h 55m

$305

MontrealPortland

YUL - PDX

YULPDX

Montreal Pierre Elliott Trudeau Intl

Sat 10/3

9:15 am-8:10 pm

1 stop13h 55m

Portland

Fri 10/9

10:33 pm-4:10 pm

1 stop14h 37m

$308

MontrealPortland

YUL - PDX

YULPDX

Montreal Pierre Elliott Trudeau Intl

Fri 8/21

7:00 am-12:58 pm

1 stop8h 58m

Portland

Sat 9/5

6:45 am-11:30 pm

2 stops13h 45m

$309

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

Sun 11/1

6:30 am-12:35 pm

1 stop8h 05m

Boise Air Term. Gowen Fld

Wed 11/4

1:40 pm-11:59 pm

1 stop8h 19m

$310

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

Sun 11/1

6:30 am-12:35 pm

1 stop8h 05m

Boise Air Term. Gowen Fld

Sat 11/7

1:40 pm-11:59 pm

1 stop8h 19m

$310

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Showing 1-10 of 60 resultsSorted by cheapest first
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6

Best time to book a flight from Ontario to Oregon

Have a flexible travel schedule? Discover the best time to fly to Oregon from Ontario 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 Ontario to Oregon

What is the cheapest month to book a flight from Region of Ontario to Oregon?

Currently, September is the cheapest month in which you can book a flight from Region of Ontario to Oregon (average of $342). Flying from Region of Ontario to Oregon in March is currently the most expensive (average of $449). 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 ON to OR?

Find hourly flight availability from Ontario to Oregon. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 31, 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Region of Ontario to Oregon as you normally would.

How much does it cost to fly round-trip from Region of Ontario to Oregon?

Airfare is typical for this route at the moment.
Region of Ontario to Oregon flights typically cost between $208 and $371 in October.
The cheapest round-trip price found within the last 5 days was $311 on United Airlines (Oct 29-Nov 2).

How far ahead should I book a flight from Region of Ontario to Oregon?

To ensure you get the cheapest price possible for a flight from Region of Ontario to Oregon, you should look to book at least 82 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

Reviews of airlines servicing Oregon

Get insights into the airlines that provide service to Oregon. 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 Oregon. Reviews last updated July 31, 2026.
Peruse reviews from past customers who have flown with Delta,United Airlines, andAir Canada from Ontario to Oregon to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.8
Good
8,487 reviews

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

7.8

Entertainment

7.8

Food

7.2

Reviews

1 / 20
8.0
Excellent

Rakshith,May 2026

TPE - SEA

I got middle seat, but it was cheap $340 for Taipei to PDX ,
Delta
7.8
Good
8,487 reviews
Delta
7.8
Good
8,487 reviews

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

7.8

Entertainment

7.8

Food

7.2

Reviews

1 / 20
8.0
Excellent

Rakshith,May 2026

TPE - SEA

I got middle seat, but it was cheap $340 for Taipei to PDX ,
United Airlines
7.4
Good
10,052 reviews
Delta
7.8
Good
8,487 reviews

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

7.8

Entertainment

7.8

Food

7.2

Reviews

1 / 20
8.0
Excellent

Rakshith,May 2026

TPE - SEA

I got middle seat, but it was cheap $340 for Taipei to PDX ,
Air Canada
7.1
Good
11,413 reviews
Delta
7.8
Good
8,487 reviews

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

7.8

Entertainment

7.8

Food

7.2

Reviews

1 / 20
8.0
Excellent

Rakshith,May 2026

TPE - SEA

I got middle seat, but it was cheap $340 for Taipei to PDX ,

Related info for your journey

Find useful and relevant information for your journey from Ontario to Oregon. 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 Region of Ontario to Oregon?

    A quick flight from Region of Ontario to Oregon can take about 8h 05m. United Airlines provides one of the quickest options available for as low as $310. The distance between Region of Ontario and Oregon is about 1814 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Region of Ontario to Oregon one-way?

    The cheapest airlines for a one-way flight from Region of Ontario to Oregon are WestJet ($141), Air Canada ($158), and American Airlines ($166).

  • Can I find deals for flights from Ontario to Oregon that include hotel bookings?

    Yes. In addition to deals on Ontario to Oregon flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Oregon?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Oregon.

  • Can I find deals for business class flights from Ontario to Oregon?

    Yes. Cheapflights offers flight deals from Ontario to Oregon 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 Region of Ontario to Oregon?

    Currently, September is the cheapest month in which you can book a flight from Region of Ontario to Oregon (average of $342). Flying from Region of Ontario to Oregon in March is currently the most expensive (average of $449). 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 Ontario to Oregon

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Ontario to Oregon

Discover the top 3 airlines that operate flights from Ontario to Oregon. 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 July 31, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$149Average$446FlexibilityNo cancel feeOn-time67%
DeltaCheapest$176Average$401FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$284Average$390FlexibilityNo cancel feeOn-time69%

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