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Cheap flights from Oregon to Ontario from C$ 195

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 28/7. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — YYZ
18 Jul — 25 Jul1
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 18 June 2026.

Wed 23/92:30 p.m.
PDX
-
YYZ
1 stop7h 35m
WestJet
Wed 30/99:00 a.m.
YYZ
-
PDX
1 stop7h 50m
WestJet
Deal found 15/6C$ 422
Mon 20/77:45 p.m.
PDX
-
YYZ
1 stop9h 35m
Multiple Airlines
Wed 29/77:00 a.m.
YYZ
-
PDX
1 stop9h 50m
Multiple Airlines
Deal found 14/6C$ 426
Tue 21/72:30 p.m.
PDX
-
YYZ
1 stop7h 35m
WestJet
Tue 28/79:00 a.m.
YYZ
-
PDX
1 stop7h 50m
WestJet
Deal found 17/6C$ 429
Fri 2/102:30 p.m.
PDX
-
YYZ
1 stop7h 35m
WestJet
Sun 11/109:00 a.m.
YYZ
-
PDX
1 stop7h 50m
WestJet
Deal found 14/6C$ 431
Fri 18/92:30 p.m.
PDX
-
YYZ
2 stops11h 40m
WestJet
Mon 21/96:10 a.m.
YYZ
-
PDX
2 stops10h 40m
WestJet
Deal found 14/6C$ 448
Tue 28/72:30 p.m.
PDX
-
YYZ
1 stop7h 35m
WestJet
Thu 13/86:10 a.m.
YYZ
-
PDX
2 stops10h 40m
WestJet
Deal found 14/6C$ 450
Wed 2/92:30 p.m.
PDX
-
YYZ
2 stops11h 40m
WestJet
Fri 11/96:10 a.m.
YYZ
-
PDX
2 stops10h 40m
WestJet
Deal found 15/6C$ 452
Wed 29/72:30 p.m.
PDX
-
YYZ
1 stop7h 35m
Multiple Airlines
Wed 5/810:40 p.m.
YYZ
-
PDX
1 stop13h 51m
Multiple Airlines
Deal found 14/6C$ 462
Mon 20/77:45 p.m.
PDX
-
YYZ
2 stops9h 40m
Air Canada
Wed 29/77:45 a.m.
YYZ
-
PDX
2 stops14h 26m
Air Canada
Deal found 14/6C$ 463
Sat 4/72:50 p.m.
BOI
-
YYZ
1 stop6h 24m
Delta
Tue 7/711:40 a.m.
YYZ
-
BOI
1 stop12h 17m
Delta
Deal found 16/6C$ 557
Wed 12/82:30 p.m.
PDX
-
YUL
1 stop23h 00m
WestJet
Thu 20/87:15 a.m.
YUL
-
PDX
1 stop9h 35m
WestJet
Deal found 18/6C$ 568
Tue 15/97:05 p.m.
BOI
-
YYZ
1 stop9h 55m
United Airlines
Tue 29/97:43 p.m.
YYZ
-
BOI
2 stops15h 51m
United Airlines
Deal found 14/6C$ 571

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 18 June 2026.

Round-trip from

C$ 422

One-way from

C$ 195

Popular in

December

Cheapest in

August

Average price

C$ 593
WestJet
  • WestJet
  • 23/9-30/9
  • 2 total stops
  • 15h 25m total
  • Oregon to Ontario
Search Deals
WestJet
  • WestJet
  • 28/7
  • 1 total stop
  • 7h 35m total
  • Oregon to Ontario
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (C$ 62 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 36 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 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 18 June 2026.
Use the filters below to find and compare flights from Oregon to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

Tue 18/8

5:00 a.m.-9:32 p.m.

1 stop13h 32m

Toronto Pearson Intl

Sat 29/8

7:45 a.m.-2:51 p.m.

2 stops10h 06m

C$ 534

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

Thu 17/9

7:10 a.m.-10:36 p.m.

1 stop12h 26m

Toronto Pearson Intl

Sun 20/9

8:00 p.m.-9:50 a.m.

1 stop16h 50m

C$ 536

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

Wed 11/11

6:00 a.m.-4:41 p.m.

1 stop7h 41m

Toronto Pearson Intl

Sat 14/11

5:50 p.m.-11:51 p.m.

1 stop9h 01m

C$ 536

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

Fri 13/11

10:05 p.m.-1:09 p.m.

1 stop12h 04m

Toronto Pearson Intl

Sun 15/11

5:10 p.m.-11:47 p.m.

1 stop9h 37m

C$ 536

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

Wed 9/9

11:02 p.m.-11:49 a.m.

1 stop9h 47m

Toronto Pearson Intl

Mon 14/9

2:30 p.m.-8:10 p.m.

1 stop8h 40m

C$ 536

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

Sat 22/8

12:35 a.m.-11:35 a.m.

1 stop8h 00m

Toronto Pearson Intl

Thu 27/8

4:10 p.m.-10:09 p.m.

1 stop8h 59m

C$ 536

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

Wed 5/8

11:40 p.m.-9:54 a.m.

1 stop7h 14m

Toronto Pearson Intl

Wed 12/8

12:45 p.m.-8:10 p.m.

1 stop10h 25m

C$ 536

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

Thu 24/9

11:00 p.m.-8:53 a.m.

1 stop6h 53m

Toronto Pearson Intl

Thu 1/10

11:38 a.m.-9:45 p.m.

1 stop13h 07m

C$ 536

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

Thu 1/10

10:33 p.m.-9:19 a.m.

1 stop7h 46m

Toronto Pearson Intl

Fri 9/10

4:18 p.m.-10:53 p.m.

1 stop9h 35m

C$ 536
Quickest round-trip

BoiseToronto

BOI - YYZ

BOIYYZ

Boise Air Term. Gowen Fld

Mon 21/9

2:14 p.m.-11:59 p.m.

1 stop7h 45m

Toronto Pearson Intl

Mon 28/9

7:24 p.m.-11:55 p.m.

1 stop6h 31m

C$ 557

Flights are sorted by cheapest round-trip flights first.

Deals found on 16/6

Showing 1-10 of 60 resultsSorted by cheapest first
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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, October is the cheapest month in which you can book a flight from Oregon to Region of Ontario (average of C$ 144). Flying from Oregon to Region of Ontario in May is currently the most expensive (average of C$ 215). 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?

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

The best time to book flights from Oregon to Region of Ontario is 88 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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$ 644, United Airlines can have you in Region of Ontario from Oregon in 7h 36m. Oregon and Region of Ontario are separated by a distance of 3383 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

    The cheapest airlines for a one-way flight from Oregon to Region of Ontario are WestJet (C$ 136), United Airlines (C$ 187), and Air Canada (C$ 199).

  • 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, October is the cheapest month in which you can book a flight from Oregon to Region of Ontario (average of C$ 144). Flying from Oregon to Region of Ontario in May is currently the most expensive (average of C$ 215). 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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Fly with Cheapflights

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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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