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Cheap flights from Oregon to Ontario from C$ 184

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 12/1. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — YYZ
29 Nov — 6 Dec1
1 adult
1 adult, Economy, 0 bags

Find 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 30 October 2025.

Tue 11/1111:12 p.m.PDX - YYZ
1 stop9h 36mUnited Airlines
Wed 12/113:45 p.m.YYZ - PDX
1 stop10h 00mUnited Airlines
Deal found 27/10C$ 443
Wed 12/119:50 a.m.PDX - YYZ
1 stop8h 04mAir Canada
Wed 19/119:00 a.m.YYZ - PDX
1 stop8h 40mAir Canada
Deal found 28/10C$ 455
Wed 12/111:00 p.m.PDX - YYZ
1 stop15h 30mMultiple Airlines
Wed 19/118:15 a.m.YYZ - PDX
2 stops9h 25mMultiple Airlines
Deal found 29/10C$ 469
Fri 5/123:15 p.m.PDX - YYZ
2 stops11h 23mAir Canada
Sun 7/128:00 a.m.YYZ - PDX
2 stops9h 40mAir Canada
Deal found 30/10C$ 473
Fri 5/1211:59 p.m.PDX - YYZ
1 stop13h 03mUnited Airlines
Sun 7/126:30 a.m.YYZ - PDX
1 stop19h 22mUnited Airlines
Deal found 29/10C$ 476
Sat 6/125:45 a.m.MFR - YYZ
1 stop6h 50mAlaska Airlines
Wed 10/124:45 p.m.YYZ - MFR
1 stop23h 31mAlaska Airlines
Deal found 30/10C$ 476
Tue 25/116:00 a.m.PDX - YYZ
1 stop7h 52mUnited Airlines
Tue 2/124:10 p.m.YYZ - PDX
2 stops21h 53mUnited Airlines
Deal found 28/10C$ 483
Fri 14/117:10 p.m.PDX - YYZ
2 stops11h 26mUnited Airlines
Sun 16/116:30 a.m.YYZ - PDX
1 stop19h 21mUnited Airlines
Deal found 28/10C$ 489
Sat 6/125:00 a.m.MFR - YYZ
1 stop7h 02mUnited Airlines
Mon 8/129:00 p.m.YYZ - MFR
2 stops27h 29mUnited Airlines
Deal found 30/10C$ 489
Sat 6/121:13 p.m.EUG - YYZ
1 stop23h 22mAlaska Airlines
Sat 13/124:45 p.m.YYZ - EUG
1 stop7h 45mAlaska Airlines
Deal found 29/10C$ 493
Sat 6/125:00 a.m.MFR - YYZ
2 stops13h 21mUnited Airlines
Wed 10/129:00 a.m.YYZ - MFR
2 stops15h 29mUnited Airlines
Deal found 30/10C$ 496
Sat 6/125:30 a.m.EUG - YYZ
2 stops14h 02mBritish Airways
Sat 13/126:10 a.m.YYZ - EUG
2 stops16h 33mBritish Airways
Deal found 29/10C$ 507

Cheap flight deals from Oregon to Ontario

Keep the following information in mind while searching for Oregon to Ontario flight deals. Data was last updated 30 October 2025.

Round-trip from

C$ 443

One-way from

C$ 184

Popular in

March

Cheapest in

August

Average price

C$ 501
United Airlines
  • United Airlines
  • 11/11-12/11
  • 2 total stops
  • 19h 36m total
  • Oregon to Ontario
Search Deals
12/1
  • 12/1
  • 3 total stops
  • 34h 07m total
  • Oregon to Ontario
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (C$ 122 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 22 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 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 30 October 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

Tue 11/11

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

1 stop11h 02m

Toronto Pearson Intl

Wed 12/11

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

2 stops21h 43m

C$ 450

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

Sun 18/1

10:47 a.m.-9:21 p.m.

1 stop7h 34m

Toronto Pearson Intl

Tue 20/1

12:00 p.m.-6:30 p.m.

2 stops9h 30m

C$ 469

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

Tue 7/4

11:55 p.m.-1:34 p.m.

1 stop10h 39m

Toronto Pearson Intl

Wed 8/4

4:00 p.m.-8:49 p.m.

1 stop7h 49m

C$ 473

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

Wed 7/1

11:05 p.m.-1:43 p.m.

1 stop11h 38m

Toronto Pearson Intl

Sun 11/1

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

2 stops9h 40m

C$ 473

MedfordToronto

MFR - YYZ

MFRYYZ

Medford

Sat 6/12

5:45 a.m.-3:35 p.m.

1 stop6h 50m

Toronto Pearson Intl

Mon 8/12

4:45 p.m.-12:32 a.m.

1 stop10h 47m

C$ 476

MedfordToronto

MFR - YYZ

MFRYYZ

Medford

Sat 6/12

5:45 a.m.-3:35 p.m.

1 stop6h 50m

Toronto Pearson Intl

Wed 10/12

4:45 p.m.-1:16 p.m.

1 stop23h 31m

C$ 476

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

Fri 5/12

5:00 a.m.-3:02 p.m.

1 stop7h 02m

Toronto Pearson Intl

Sun 7/12

6:30 a.m.-10:52 p.m.

1 stop19h 22m

C$ 476

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

Tue 10/2

1:24 p.m.-9:58 a.m.

2 stops17h 34m

Toronto Pearson Intl

Wed 18/2

8:15 a.m.-2:40 p.m.

2 stops9h 25m

C$ 476

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

Thu 13/11

1:00 p.m.-7:30 a.m.

1 stop15h 30m

Toronto Pearson Intl

Thu 4/12

6:30 a.m.-10:52 p.m.

1 stop19h 22m

C$ 476

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

Sun 7/12

11:28 p.m.-11:48 a.m.

1 stop9h 20m

Toronto Pearson Intl

Fri 12/12

4:10 p.m.-9:15 p.m.

1 stop8h 05m

C$ 476

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/10

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$ 126). Flying from Oregon to Region of Ontario in February is currently the most expensive (average of C$ 532). 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 30 October 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 30 October 2025.
Check out reviews from past customers who have flown with WestJet and Air Canada 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
3,152 reviews
Check prices

Crew

7.9

Comfort

7.1

Food

6.2

Entertainment

6.1

Boarding

7.4

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
3,152 reviews
WestJet
7.2
Good
3,152 reviews
Check prices

Crew

7.9

Comfort

7.1

Food

6.2

Entertainment

6.1

Boarding

7.4

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.
Air Canada
7.1
Good
10,381 reviews
WestJet
7.2
Good
3,152 reviews
Check prices

Crew

7.9

Comfort

7.1

Food

6.2

Entertainment

6.1

Boarding

7.4

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$ 476, United Airlines can have you in Region of Ontario from Oregon in 6h 50m. Oregon and Region of Ontario are separated by a distance of 3476 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$ 193), American Airlines (C$ 193), and Delta (C$ 222).

  • 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$ 126). Flying from Oregon to Region of Ontario in February is currently the most expensive (average of C$ 532). 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

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Oregon to Ontario

Discover the top 2 airlines 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 30 October 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 327AverageC$ 363FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air CanadaCheapestC$ 480AverageC$ 889FlexibilityNo cancel feeOn-time67%
Search Air Canada 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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