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Cheap flights from Oregon to Ontario from C$ 119

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 14/7. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — YYZ
29 May — 5 Jun1
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 April 2026.

Mon 3/82:30 p.m.
PDX
-
YYZ
2 stops11h 40m
WestJet
Thu 13/87:00 a.m.
YYZ
-
PDX
1 stop9h 50m
WestJet
Deal found 24/4C$ 292
Thu 27/82:30 p.m.
PDX
-
YYZ
1 stop7h 35m
WestJet
Mon 31/88:00 a.m.
YYZ
-
PDX
1 stop8h 50m
WestJet
Deal found 26/4C$ 303
Wed 5/82:30 p.m.
PDX
-
YYZ
1 stop7h 35m
WestJet
Fri 7/89:00 a.m.
YYZ
-
PDX
1 stop7h 50m
WestJet
Deal found 26/4C$ 313
Wed 7/102:30 p.m.
PDX
-
YYZ
1 stop7h 35m
WestJet
Sun 11/107:00 a.m.
YYZ
-
PDX
1 stop9h 50m
WestJet
Deal found 24/4C$ 317
Wed 1/72:30 p.m.
PDX
-
YYZ
1 stop7h 35m
WestJet
Tue 7/79:00 a.m.
YYZ
-
PDX
1 stop7h 50m
WestJet
Deal found 25/4C$ 318
Mon 3/82:30 p.m.
PDX
-
YYZ
2 stops11h 40m
WestJet
Fri 7/87:00 a.m.
YYZ
-
PDX
1 stop9h 50m
WestJet
Deal found 26/4C$ 332
Wed 15/72:30 p.m.
PDX
-
YYZ
1 stop7h 35m
WestJet
Tue 11/89:00 a.m.
YYZ
-
PDX
1 stop7h 50m
WestJet
Deal found 26/4C$ 337
Mon 3/82:30 p.m.
PDX
-
YYZ
1 stop12h 15m
WestJet
Tue 11/89:00 a.m.
YYZ
-
PDX
1 stop7h 50m
WestJet
Deal found 26/4C$ 354
Sun 2/82:30 p.m.
PDX
-
YYZ
1 stop7h 35m
WestJet
Mon 10/89:00 a.m.
YYZ
-
PDX
1 stop7h 50m
WestJet
Deal found 26/4C$ 355
Wed 12/82:30 p.m.
PDX
-
YUL
1 stop13h 35m
WestJet
Tue 18/87:15 a.m.
YUL
-
PDX
1 stop9h 35m
WestJet
Deal found 26/4C$ 403
Mon 24/82:30 p.m.
PDX
-
YUL
1 stop13h 35m
WestJet
Wed 2/97:15 a.m.
YUL
-
PDX
1 stop9h 35m
WestJet
Deal found 25/4C$ 404
Tue 14/72:30 p.m.
PDX
-
YUL
1 stop13h 35m
WestJet
Fri 24/77:15 a.m.
YUL
-
PDX
1 stop9h 35m
WestJet
Deal found 28/4C$ 406

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 April 2026.

Round-trip from

C$ 292

One-way from

C$ 119

Popular in

December

Cheapest in

August

Average price

C$ 564
WestJet
  • WestJet
  • 3/8-13/8
  • 3 total stops
  • 21h 30m total
  • Oregon to Ontario
Search Deals
WestJet
  • WestJet
  • 14/7
  • 1 total stop
  • 7h 35m total
  • Oregon to Ontario
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (C$ 60 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 35 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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 April 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

Fri 18/9

9:45 p.m.-12:15 p.m.

1 stop11h 30m

Toronto Pearson Intl

Sun 20/9

2:15 p.m.-9:46 p.m.

1 stop10h 31m

C$ 473

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

Tue 13/10

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

1 stop13h 32m

Toronto Pearson Intl

Fri 16/10

6:30 a.m.-11:02 p.m.

1 stop19h 32m

C$ 474

PortlandMontreal

PDX - YUL

PDXYUL

Portland

Sun 13/9

10:50 p.m.-4:10 p.m.

1 stop14h 20m

Montreal Pierre Elliott Trudeau Intl

Tue 15/9

6:35 p.m.-12:47 a.m.

1 stop9h 12m

C$ 486

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

Sat 6/6

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

1 stop7h 35m

Toronto Pearson Intl

Wed 10/6

5:20 p.m.-1:50 p.m.

2 stops23h 30m

C$ 492

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

Mon 31/8

10:55 p.m.-1:25 p.m.

1 stop11h 30m

Toronto Pearson Intl

Mon 28/9

1:30 p.m.-10:11 p.m.

1 stop11h 41m

C$ 492

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

Fri 5/6

7:00 a.m.-9:55 p.m.

1 stop11h 55m

Toronto Pearson Intl

Sun 7/6

2:29 p.m.-9:50 p.m.

1 stop10h 21m

C$ 493

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

Tue 16/6

6:00 a.m.-6:34 p.m.

1 stop9h 34m

Toronto Pearson Intl

Sat 20/6

5:45 p.m.-10:40 p.m.

1 stop7h 55m

C$ 493
Quickest round-trip

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

Sat 15/8

10:35 a.m.-9:32 p.m.

1 stop7h 57m

Toronto Pearson Intl

Sat 22/8

1:00 p.m.-6:47 p.m.

1 stop8h 47m

C$ 494

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

Sat 9/5

12:15 p.m.-11:14 p.m.

1 stop7h 59m

Toronto Pearson Intl

Wed 20/5

2:20 p.m.-10:02 p.m.

1 stop10h 42m

C$ 494

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

Wed 13/5

11:12 p.m.-1:30 p.m.

1 stop11h 18m

Toronto Pearson Intl

Tue 19/5

6:12 p.m.-10:02 p.m.

1 stop6h 50m

C$ 494

Flights are sorted by cheapest round-trip flights first.

Deals found on 26/4

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
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6

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

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 48 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.

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$ 141). Flying from Oregon to Region of Ontario in June is currently the most expensive (average of C$ 204). 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 April 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
3,328 reviews
Check prices

Boarding

7.4

Comfort

7.0

Crew

7.9

Entertainment

6.1

Food

6.2

Overall

7.2

Reviews

1 / 20
10.0
Excellent

Janice,Mar 2026

TQO - YYZ

I had a very happy experience with fast boarding, an early flight and landing, and a quick baggage claim.
WestJet
7.2
Good
3,328 reviews
WestJet
7.2
Good
3,328 reviews
Check prices

Boarding

7.4

Comfort

7.0

Crew

7.9

Entertainment

6.1

Food

6.2

Overall

7.2

Reviews

1 / 20
10.0
Excellent

Janice,Mar 2026

TQO - YYZ

I had a very happy experience with fast boarding, an early flight and landing, and a quick baggage claim.

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$ 492, Delta can have you in Region of Ontario from Oregon in 7h 35m. Oregon and Region of Ontario are separated by a distance of 3364 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 Air Canada (C$ 103), United Airlines (C$ 182), and Delta (C$ 194).

  • 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$ 141). Flying from Oregon to Region of Ontario in June is currently the most expensive (average of C$ 204). 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 April 2026.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 320AverageC$ 355FlexibilityNo 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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