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Cheap flights from Oregon to Ontario from C$ 123

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 1/2. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — YYZ
17 Jan — 24 Jan1
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 December 2025.

Wed 31/127:00 p.m.PDX - YYZ
1 stop8h 47mAir Canada
Wed 7/112:30 p.m.YYZ - PDX
1 stop9h 00mAir Canada
Deal found 17/12C$ 464
Wed 24/127:00 p.m.PDX - YYZ
1 stop8h 47mAir Canada
Wed 7/17:00 a.m.YYZ - PDX
1 stop14h 30mAir Canada
Deal found 16/12C$ 536
Wed 31/1210:21 p.m.PDX - YYZ
2 stops10h 30mAmerican Airlines
Wed 7/16:00 a.m.YYZ - PDX
1 stop17h 24mAmerican Airlines
Deal found 16/12C$ 537
Wed 24/127:00 p.m.PDX - YYZ
1 stop7h 59mAir Canada
Tue 6/19:50 p.m.YYZ - PDX
2 stops14h 25mAir Canada
Deal found 16/12C$ 552
Tue 23/127:00 p.m.PDX - YYZ
2 stops13h 40mAir Canada
Wed 7/15:55 p.m.YYZ - PDX
1 stop18h 20mAir Canada
Deal found 16/12C$ 573
Wed 31/125:10 a.m.PDX - YYZ
1 stop7h 25mAlaska Airlines
Wed 7/14:45 p.m.YYZ - PDX
1 stop9h 01mAlaska Airlines
Deal found 16/12C$ 575
Thu 25/123:19 p.m.BOI - YYZ
1 stop6h 01mDelta
Thu 1/16:00 a.m.YYZ - BOI
1 stop10h 18mDelta
Deal found 17/12C$ 714
Fri 26/128:40 a.m.BOI - YYZ
2 stops12h 10mDelta
Fri 2/16:00 a.m.YYZ - BOI
1 stop10h 18mDelta
Deal found 18/12C$ 726
Thu 25/123:19 p.m.BOI - YYZ
1 stop6h 01mDelta
Sat 3/16:00 a.m.YYZ - BOI
1 stop10h 18mDelta
Deal found 17/12C$ 838
Wed 24/126:15 a.m.PDX - YUL
2 stops14h 44mDelta
Sun 29/312:55 p.m.YUL - PDX
1 stop11h 58mDelta
Deal found 17/12C$ 860
Wed 24/127:00 p.m.PDX - YTZ
2 stops16h 55mAir Canada
Mon 5/18:50 a.m.YTZ - PDX
2 stops16h 50mAir Canada
Deal found 16/12C$ 901
Wed 24/129:50 a.m.PDX - YUL
1 stop8h 10mAir Canada
Sun 29/37:30 a.m.YUL - PDX
1 stop10h 10mAir Canada
Deal found 17/12C$ 930

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 December 2025.

Round-trip from

C$ 378

One-way from

C$ 123

Popular in

December

Cheapest in

August

Average price

C$ 799
Air Canada
  • Air Canada
  • 24/1-30/1
  • 4 total stops
  • 20h 48m total
  • Oregon to Ontario
Search Deals
1/2
  • 1/2
  • 1 total stop
  • 16h 34m total
  • Oregon to Ontario
Search Deals
High demand for flights, 0% potential price rise
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 December 2025
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 December 2025.
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 14/1

1:38 p.m.-3:35 p.m.

1 stop22h 57m

Toronto Pearson Intl

Wed 21/1

4:45 p.m.-10:46 p.m.

1 stop9h 01m

C$ 426

EugeneToronto

EUG - YYZ

EUGYYZ

Eugene

Sun 15/2

5:42 a.m.-3:35 p.m.

1 stop6h 53m

Toronto Pearson Intl

Thu 19/2

4:45 p.m.-9:31 p.m.

1 stop7h 46m

C$ 426

EugeneToronto

EUG - YYZ

EUGYYZ

Eugene

Wed 11/2

3:02 p.m.-3:35 p.m.

1 stop21h 33m

Toronto Pearson Intl

Sat 14/2

4:45 p.m.-9:31 p.m.

1 stop7h 46m

C$ 426

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

Tue 28/4

11:10 p.m.-11:43 a.m.

1 stop9h 33m

Toronto Pearson Intl

Wed 29/4

2:45 p.m.-10:10 p.m.

1 stop10h 25m

C$ 437

BoiseToronto

BOI - YYZ

BOIYYZ

Boise Air Term. Gowen Fld

Tue 13/1

7:59 p.m.-7:36 p.m.

2 stops21h 37m

Toronto Pearson Intl

Tue 20/1

4:45 p.m.-11:01 p.m.

1 stop8h 16m

C$ 445

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

Sat 14/3

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

1 stop6h 35m

Toronto Pearson Intl

Tue 7/4

4:45 p.m.-10:21 p.m.

1 stop8h 36m

C$ 448

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

Fri 20/2

7:05 p.m.-6:29 a.m.

1 stop8h 24m

Toronto Pearson Intl

Wed 18/3

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

1 stop9h 40m

C$ 451

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

Thu 19/2

3:15 p.m.-5:38 a.m.

2 stops11h 23m

Toronto Pearson Intl

Tue 24/2

9:00 a.m.-2:40 p.m.

1 stop8h 40m

C$ 457

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

Sat 7/3

3:15 p.m.-5:38 a.m.

2 stops11h 23m

Toronto Pearson Intl

Sat 4/4

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

1 stop9h 40m

C$ 457

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

Mon 23/2

3:15 p.m.-5:38 a.m.

2 stops11h 23m

Toronto Pearson Intl

Fri 27/2

9:00 a.m.-2:40 p.m.

1 stop8h 40m

C$ 457

Flights are sorted by cheapest round-trip flights first.

Deals found on 17/12

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, December is the cheapest month in which you can book a flight from Oregon to Region of Ontario (average of C$ 124). Flying from Oregon to Region of Ontario in February is currently the most expensive (average of C$ 513). 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 18 December 2025.

A simple way to save on the total cost of your ticket is to fly from Oregon to Region of Ontario at noon. If you’re flexible enough to do this you can expect to save up to 48% on your trip compared to booking a flight in the morning.

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 18 December 2025.
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
3,204 reviews
Check prices

Comfort

7.1

Boarding

7.4

Food

6.2

Overall

7.2

Entertainment

6.1

Crew

7.9

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
3,204 reviews
WestJet
7.2
Good
3,204 reviews
Check prices

Comfort

7.1

Boarding

7.4

Food

6.2

Overall

7.2

Entertainment

6.1

Crew

7.9

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$ 451, Alaska Airlines can have you in Region of Ontario from Oregon in 8h 14m. 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.

  • 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, December is the cheapest month in which you can book a flight from Oregon to Region of Ontario (average of C$ 124). Flying from Oregon to Region of Ontario in February is currently the most expensive (average of C$ 513). 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 Oregon to Ontario

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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 18 December 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 323AverageC$ 358FlexibilityNo 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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