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Cheap flights from Oregon to Ontario from C$ 171

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 14/3. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — YYZ
28 Feb — 7 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Oregon to Ontario

Enter your travel dates to find the best prices.

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 29 January 2026.

Wed 29/42:30 p.m.
PDX
-
YYZ
1 stop7h 35m
WestJet
Sun 3/56:10 a.m.
YYZ
-
PDX
2 stops10h 40m
WestJet
Deal found 28/1C$ 388
Fri 15/52:30 p.m.
PDX
-
YYZ
2 stops19h 15m
WestJet
Tue 19/56:10 a.m.
YYZ
-
PDX
2 stops10h 40m
WestJet
Deal found 29/1C$ 402
Sat 28/26:00 a.m.
PDX
-
YYZ
1 stop6h 35m
Multiple Airlines
Thu 5/38:35 p.m.
YYZ
-
PDX
1 stop15h 38m
Multiple Airlines
Deal found 28/1C$ 409
Mon 2/310:18 p.m.
PDX
-
YYZ
1 stop18h 37m
Multiple Airlines
Wed 11/31:30 p.m.
YYZ
-
PDX
2 stops22h 28m
Multiple Airlines
Deal found 28/1C$ 414
Sat 28/26:00 a.m.
PDX
-
YYZ
1 stop6h 35m
Alaska Airlines
Tue 3/34:45 p.m.
YYZ
-
PDX
1 stop9h 59m
Alaska Airlines
Deal found 28/1C$ 421
Sat 28/26:28 a.m.
BOI
-
YYZ
1 stop7h 07m
Alaska Airlines
Wed 4/34:45 p.m.
YYZ
-
BOI
1 stop9h 14m
Alaska Airlines
Deal found 27/1C$ 421
Sun 1/36:00 a.m.
PDX
-
YYZ
1 stop6h 35m
Multiple Airlines
Thu 5/38:35 p.m.
YYZ
-
PDX
1 stop15h 38m
Multiple Airlines
Deal found 28/1C$ 440
Sat 14/26:00 a.m.
PDX
-
YYZ
1 stop6h 35m
Multiple Airlines
Thu 19/28:00 p.m.
YYZ
-
PDX
1 stop25h 43m
Multiple Airlines
Deal found 28/1C$ 441
Tue 24/21:36 p.m.
PDX
-
YYZ
1 stop22h 59m
Alaska Airlines
Thu 5/34:45 p.m.
YYZ
-
PDX
1 stop9h 59m
Alaska Airlines
Deal found 27/1C$ 444
Fri 15/52:30 p.m.
PDX
-
YUL
1 stop13h 30m
WestJet
Tue 26/57:15 a.m.
YUL
-
PDX
1 stop9h 35m
WestJet
Deal found 28/1C$ 458
Wed 13/52:30 p.m.
PDX
-
YUL
1 stop13h 30m
WestJet
Tue 26/57:15 a.m.
YUL
-
PDX
1 stop9h 35m
WestJet
Deal found 28/1C$ 466
Tue 24/31:40 p.m.
BOI
-
YYZ
1 stop8h 17m
Delta
Sun 29/312:25 p.m.
YYZ
-
BOI
1 stop12h 00m
Delta
Deal found 27/1C$ 482

Find flight deals from Oregon to Ontario

Keep the following information in mind while searching for Oregon to Ontario flight deals. Data was last updated 29 January 2026.

Round-trip from

C$ 388

One-way from

C$ 171

Popular in

March

Cheapest in

August

Average price

C$ 490
WestJet
  • WestJet
  • 29/4-3/5
  • 3 total stops
  • 18h 15m total
  • Oregon to Ontario
Search Deals
Alaska Airlines
  • Alaska Airlines
  • 14/3
  • 1 total stop
  • 6h 35m total
  • Oregon to Ontario
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (C$ 108 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 24 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 629,999 searches. Data last updated 29 January 2026.
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 - YYZ

PDXYYZ

Portland

Wed 29/4

2:30 p.m.-1:05 a.m.

1 stop7h 35m

Toronto Pearson Intl

Sun 3/5

6:10 a.m.-1:50 p.m.

2 stops10h 40m

C$ 388

BoiseToronto

BOI - YYZ

BOIYYZ

Boise Air Term. Gowen Fld

Sat 28/2

6:28 a.m.-3:35 p.m.

1 stop7h 07m

Toronto Pearson Intl

Wed 4/3

4:45 p.m.-11:59 p.m.

1 stop9h 14m

C$ 421

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

Tue 24/2

1:36 p.m.-3:35 p.m.

1 stop22h 59m

Toronto Pearson Intl

Thu 5/3

4:45 p.m.-11:44 p.m.

1 stop9h 59m

C$ 444

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

Sat 14/2

11:59 p.m.-2:01 p.m.

1 stop11h 02m

Toronto Pearson Intl

Sun 15/2

5:55 p.m.-12:34 a.m.

1 stop9h 39m

C$ 448

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

Wed 4/3

3:52 p.m.-3:35 p.m.

1 stop20h 43m

Toronto Pearson Intl

Fri 6/3

4:45 p.m.-10:41 p.m.

1 stop8h 56m

C$ 451

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

Thu 26/3

7:05 p.m.-6:47 a.m.

1 stop8h 42m

Toronto Pearson Intl

Wed 8/4

8:00 a.m.-2:40 p.m.

1 stop9h 40m

C$ 462

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

Sun 26/4

11:59 p.m.-11:49 a.m.

1 stop8h 50m

Toronto Pearson Intl

Thu 30/4

5:16 p.m.-12:59 a.m.

1 stop10h 43m

C$ 467

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

Fri 24/4

2:10 p.m.-11:59 p.m.

1 stop6h 49m

Toronto Pearson Intl

Mon 27/4

3:00 p.m.-9:59 p.m.

1 stop9h 59m

C$ 467

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

Sat 28/3

6:00 a.m.-3:35 p.m.

1 stop6h 35m

Toronto Pearson Intl

Wed 1/4

4:55 p.m.-9:38 p.m.

1 stop7h 43m

C$ 467

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

Fri 3/4

7:05 p.m.-3:14 p.m.

1 stop17h 09m

Toronto Pearson Intl

Fri 10/4

6:30 a.m.-8:48 p.m.

1 stop17h 18m

C$ 475

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/1

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, July is the cheapest month in which you can book a flight from Oregon to Region of Ontario (average of C$ 195). Flying from Oregon to Region of Ontario in February is currently the most expensive (average of C$ 504). 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.

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

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 29 January 2026.
Check out reviews from past customers who have flown with WestJet from Oregon to Ontario to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
WestJet
7.2
Good
3,253 reviews
Check prices

Comfort

7.0

Entertainment

6.1

Food

6.2

Boarding

7.4

Crew

7.9

Overall

7.2

Reviews

1 / 20
10.0
Excellent

Sugith,Jan 2025

CUN - YYZ

On time departure. Good service on board. Comfort Plus seating was comfortable.
WestJet
7.2
Good
3,253 reviews
WestJet
7.2
Good
3,253 reviews
Check prices

Comfort

7.0

Entertainment

6.1

Food

6.2

Boarding

7.4

Crew

7.9

Overall

7.2

Reviews

1 / 20
10.0
Excellent

Sugith,Jan 2025

CUN - YYZ

On time departure. Good service on board. Comfort Plus seating was comfortable.

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?

    For as low as C$ 421, WestJet can have you in Region of Ontario from Oregon in 7h 07m. Oregon and Region of Ontario are separated by a distance of 2919 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • 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, July is the cheapest month in which you can book a flight from Oregon to Region of Ontario (average of C$ 195). Flying from Oregon to Region of Ontario in February is currently the most expensive (average of C$ 504). 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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Top airline flying from Oregon to Ontario

Discover the top airline 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 629,999 searches. Data last updated 29 January 2026.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 318AverageC$ 353FlexibilityNo cancel feeOn-time60%
Search WestJet flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Oregon to Ontario?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Ontario from Oregon today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Oregon to Ontario?

Cheapflights helps you find that perfect flight to Ontario from Oregon by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Oregon to Ontario with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Oregon to Ontario, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Oregon to Ontario become cheaper?

Yes! Start tracking prices for Oregon to Ontario flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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