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Cheap flights from Oregon to Ontario from C$ 146

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 13/10. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — YYZ
15 Oct — 22 Oct1
1 adult
1 adult, Economy

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 15 September 2025.

Round-trip from

C$ 370

One-way from

C$ 146

Popular in

March

Cheapest in

August

Average price

C$ 681

Good one-way deal

C$ 255 or less
Air Canada
  • Air Canada
  • 18/10-23/10
  • 4 total stops
  • 26h 35m total
  • Oregon to Ontario
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13/10
  • 13/10
  • 3 total stops
  • 39h 06m 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).
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Cheapest flight prices on average. 2% potential price decrease (C$ 21 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
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Price to beat on a one-way flight from Oregon to Ontario.
Search Deals

Find flight deals from Oregon to Ontario

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 15 September 2025.

Thu 16/106:15 a.m.PDX - YUL
2 stops14h 04mAir Canada
Wed 22/107:30 a.m.YUL - PDX
1 stop10h 16mAir Canada
Deal found 15/9C$ 367
Sat 18/106:15 a.m.PDX - YUL
2 stops14h 04mAir Canada
Thu 23/101:30 p.m.YUL - PDX
2 stops12h 31mAir Canada
Deal found 14/9C$ 370
Fri 3/101:45 p.m.PDX - YYZ
2 stops13h 06mWestJet
Sun 5/106:30 a.m.YYZ - PDX
1 stop9h 35mWestJet
Deal found 13/9C$ 394
Tue 7/109:55 a.m.PDX - YYZ
2 stops10h 55mAir Canada
Sat 11/104:10 p.m.YYZ - PDX
2 stops9h 51mAir Canada
Deal found 13/9C$ 401
Thu 16/103:25 p.m.PDX - YYZ
2 stops11h 45mAir Canada
Sun 19/1011:00 p.m.YYZ - PDX
2 stops13h 20mAir Canada
Deal found 13/9C$ 403
Thu 2/103:25 p.m.PDX - YYZ
2 stops12h 35mAir Canada
Mon 6/1011:00 p.m.YYZ - PDX
2 stops13h 20mAir Canada
Deal found 13/9C$ 405
Thu 2/106:15 a.m.PDX - YYZ
1 stop13h 57mAir Canada
Sat 4/1010:25 a.m.YYZ - PDX
2 stops11h 21mAir Canada
Deal found 14/9C$ 406
Fri 10/101:45 p.m.PDX - YYZ
2 stops13h 06mMultiple Airlines
Wed 15/106:30 a.m.YYZ - PDX
1 stop11h 18mMultiple Airlines
Deal found 14/9C$ 408
Fri 24/1012:43 p.m.PDX - YYZ
2 stops29h 24mMultiple Airlines
Fri 31/109:45 a.m.YYZ - PDX
1 stop11h 59mMultiple Airlines
Deal found 13/9C$ 417
Thu 16/103:25 p.m.PDX - YYZ
2 stops11h 45mAir Canada
Fri 17/108:30 a.m.YYZ - PDX
1 stop13h 16mAir Canada
Deal found 13/9C$ 421
Thu 30/103:15 p.m.PDX - YYZ
2 stops11h 23mAir Canada
Thu 6/119:00 a.m.YYZ - PDX
1 stop12h 30mAir Canada
Deal found 15/9C$ 423
Sat 4/103:25 p.m.PDX - YUL
2 stops12h 45mAir Canada
Sat 11/108:00 a.m.YUL - PDX
2 stops18h 01mAir Canada
Deal found 14/9C$ 424

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 15 September 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

Sat 18/10

11:59 p.m.-9:58 a.m.

1 stop6h 59m

Toronto Pearson Intl

Fri 24/10

11:00 a.m.-12:28 a.m.

2 stops16h 28m

C$ 414

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

Thu 16/10

2:15 p.m.-11:58 p.m.

1 stop6h 43m

Toronto Pearson Intl

Fri 17/10

6:30 a.m.-10:45 p.m.

1 stop19h 15m

C$ 443

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

Fri 17/10

11:55 p.m.-11:32 a.m.

1 stop8h 37m

Toronto Pearson Intl

Thu 23/10

6:30 a.m.-2:42 p.m.

1 stop11h 12m

C$ 443

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

Wed 22/10

5:00 a.m.-10:48 p.m.

1 stop14h 48m

Toronto Pearson Intl

Sun 26/10

10:45 a.m.-12:46 a.m.

1 stop17h 01m

C$ 443

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

Thu 2/10

9:55 a.m.-10:23 p.m.

1 stop9h 28m

Toronto Pearson Intl

Sat 4/10

4:18 p.m.-9:06 p.m.

1 stop7h 48m

C$ 443

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

Fri 17/10

2:15 p.m.-9:58 a.m.

1 stop16h 43m

Toronto Pearson Intl

Sat 18/10

2:10 p.m.-6:31 p.m.

1 stop7h 21m

C$ 443

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

Tue 7/10

2:15 p.m.-11:58 p.m.

1 stop6h 43m

Toronto Pearson Intl

Sat 11/10

3:00 p.m.-9:26 p.m.

1 stop9h 26m

C$ 443

PortlandMontreal

PDX - YUL

PDXYUL

Portland

Sun 12/10

5:30 a.m.-5:00 p.m.

1 stop8h 30m

Montreal Pierre Elliott Trudeau Intl

Fri 17/10

4:45 p.m.-12:28 a.m.

1 stop10h 43m

C$ 448

PortlandMontreal

PDX - YUL

PDXYUL

Portland

Wed 8/10

3:50 p.m.-8:16 a.m.

1 stop13h 26m

Montreal Pierre Elliott Trudeau Intl

Wed 15/10

1:15 p.m.-9:10 p.m.

1 stop10h 55m

C$ 448

PortlandMontreal

PDX - YUL

PDXYUL

Portland

Sun 5/10

5:30 a.m.-5:00 p.m.

1 stop8h 30m

Montreal Pierre Elliott Trudeau Intl

Tue 28/10

5:50 p.m.-12:26 a.m.

1 stop9h 36m

C$ 448

Flights are sorted by cheapest round-trip flights first.

Deals found on 13/9

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, January is the cheapest month in which you can book a flight from Oregon to Region of Ontario (average of C$ 169). Flying from Oregon to Region of Ontario in July is currently the most expensive (average of C$ 258). 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 15 September 2025.

When flying from Oregon to Region of Ontario, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 15 September 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
3,091 reviews
Check prices

Overall

7.2

Food

6.2

Comfort

7.1

Boarding

7.4

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
3,091 reviews
WestJet
7.2
Good
3,091 reviews
Check prices

Overall

7.2

Food

6.2

Comfort

7.1

Boarding

7.4

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.
Air Canada
7.1
Good
10,000 reviews
WestJet
7.2
Good
3,091 reviews
Check prices

Overall

7.2

Food

6.2

Comfort

7.1

Boarding

7.4

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$ 414, United Airlines can have you in Region of Ontario from Oregon in 6h 59m. 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 WestJet (C$ 160), Air Canada (C$ 173), and United Airlines (C$ 184).

  • 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, January is the cheapest month in which you can book a flight from Oregon to Region of Ontario (average of C$ 169). Flying from Oregon to Region of Ontario in July is currently the most expensive (average of C$ 258). 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 15 September 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 324AverageC$ 359FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air CanadaCheapestC$ 475AverageC$ 748FlexibilityNo 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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