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Cheap flights from Oregon to Ontario from C$ 133

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 15/4. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — YYZ
5 Apr — 12 Apr1
1 adult

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 31 March 2025.

Round-trip from

C$ 389

One-way from

C$ 133

Popular in

March

Cheapest in

May

Average price

C$ 864

Good one-way deal

C$ 265 or less
29/4-6/5
  • 29/4-6/5
  • 3 total stops
  • 39h 12m total
  • Oregon to Ontario
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15/4
  • 15/4
  • 1 total stop
  • 12h 23m total
  • Oregon to Ontario
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Highest demand for flights based on searches. 19% potential increase in price (C$ 215 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease (C$ 32 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Price to beat on a one-way flight from Oregon to Ontario.
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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 31 March 2025.

Tue 29/42:32 p.m.PDX - YYZ
2 stops13h 20mMultiple Airlines
Tue 6/51:50 p.m.YYZ - PDX
1 stop25h 52mMultiple Airlines
Deal found 30/3C$ 389
Wed 20/81:45 p.m.PDX - YYZ
1 stop7h 39mWestJet
Thu 28/88:00 a.m.YYZ - PDX
1 stop7h 52mWestJet
Deal found 31/3C$ 439
Thu 5/61:45 p.m.PDX - YUL
1 stop7h 58mWestJet
Mon 9/67:00 a.m.YUL - PDX
1 stop8h 52mWestJet
Deal found 30/3C$ 448
Tue 29/47:01 p.m.PDX - YTZ
2 stops20h 52mMultiple Airlines
Tue 6/52:00 p.m.YTZ - PDX
1 stop9h 34mMultiple Airlines
Deal found 30/3C$ 475
Thu 15/51:45 p.m.PDX - YOW
1 stop7h 56mWestJet
Sun 18/56:00 a.m.YOW - PDX
1 stop9h 52mWestJet
Deal found 30/3C$ 478
Tue 3/65:40 p.m.PDX - YUL
2 stops28h 03mMultiple Airlines
Tue 10/67:00 a.m.YUL - PDX
1 stop8h 52mMultiple Airlines
Deal found 30/3C$ 505
Sun 15/67:40 p.m.PDX - YYZ
1 stop9h 24mAir Canada
Sat 21/65:30 p.m.YYZ - PDX
1 stop8h 26mAir Canada
Deal found 30/3C$ 530
Wed 23/411:00 a.m.BOI - YYZ
1 stop11h 41mUnited Airlines
Mon 28/42:50 p.m.YYZ - BOI
1 stop10h 13mUnited Airlines
Deal found 31/3C$ 532
Sun 8/63:25 p.m.PDX - YUL
2 stops12h 45mAir Canada
Wed 18/67:30 a.m.YUL - PDX
1 stop10h 15mAir Canada
Deal found 31/3C$ 534
Sat 16/811:59 p.m.PDX - YYZ
1 stop11h 31mUnited Airlines
Sun 31/89:00 a.m.YYZ - PDX
3 stops14h 49mUnited Airlines
Deal found 30/3C$ 545
Sun 4/55:15 a.m.PDX - YYZ
1 stop8h 23mDelta
Tue 6/53:59 p.m.YYZ - PDX
1 stop9h 10mDelta
Deal found 30/3C$ 562
Thu 15/58:17 p.m.MFR - YYZ
2 stops21h 37mMultiple Airlines
Thu 22/511:00 a.m.YYZ - MFR
3 stops30h 57mMultiple Airlines
Deal found 31/3C$ 562

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 31 March 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 29/4

2:32 p.m.-6:52 a.m.

2 stops13h 20m

Toronto Pearson Intl

Tue 6/5

1:50 p.m.-12:42 p.m.

1 stop25h 52m

C$ 389

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

Wed 20/8

1:45 p.m.-12:24 a.m.

1 stop7h 39m

Toronto Pearson Intl

Thu 28/8

8:00 a.m.-12:52 p.m.

1 stop7h 52m

C$ 439

PortlandMontreal

PDX - YUL

PDXYUL

Portland

Thu 5/6

1:45 p.m.-12:43 a.m.

1 stop7h 58m

Montreal Pierre Elliott Trudeau Intl

Mon 9/6

7:00 a.m.-12:52 p.m.

1 stop8h 52m

C$ 448

PortlandToronto

PDX - YTZ

PDXYTZ

Portland

Tue 29/4

7:01 p.m.-6:53 p.m.

2 stops20h 52m

Toronto Island

Tue 6/5

2:00 p.m.-8:34 p.m.

1 stop9h 34m

C$ 475

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Thu 15/5

1:45 p.m.-12:41 a.m.

1 stop7h 56m

Ottawa

Sun 18/5

6:00 a.m.-12:52 p.m.

1 stop9h 52m

C$ 478

PortlandMontreal

PDX - YUL

PDXYUL

Portland

Tue 3/6

5:40 p.m.-12:43 a.m.

2 stops28h 03m

Montreal Pierre Elliott Trudeau Intl

Tue 10/6

7:00 a.m.-12:52 p.m.

1 stop8h 52m

C$ 505

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

Sun 15/6

7:40 p.m.-8:04 a.m.

1 stop9h 24m

Toronto Pearson Intl

Sat 21/6

5:30 p.m.-10:56 p.m.

1 stop8h 26m

C$ 530

BoiseToronto

BOI - YYZ

BOIYYZ

Boise Air Term. Gowen Fld

Wed 23/4

11:00 a.m.-12:41 a.m.

1 stop11h 41m

Toronto Pearson Intl

Mon 28/4

2:50 p.m.-11:03 p.m.

1 stop10h 13m

C$ 532

PortlandMontreal

PDX - YUL

PDXYUL

Portland

Sun 8/6

3:25 p.m.-7:10 a.m.

2 stops12h 45m

Montreal Pierre Elliott Trudeau Intl

Tue 24/6

6:00 p.m.-10:56 p.m.

1 stop7h 56m

C$ 534

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

Sat 16/8

11:59 p.m.-2:30 p.m.

1 stop11h 31m

Toronto Pearson Intl

Sun 31/8

9:00 a.m.-8:49 p.m.

3 stops14h 49m

C$ 545

Flights are sorted by cheapest round-trip flights first.

Deals found on 31/3

Showing 1-10 of 58 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$ 167). 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 31 March 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.

Rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Region of Ontario ranges from 51.0 - 83.0 mm per month. June is typically the wettest month, when rainfall can reach 83.0 mm. February is typically the driest time to visit Region of Ontario when rainfall is around 51.0 mm.

Temperature in Ontario by month

Plan your trip to Ontario by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Region of Ontario, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -6.0 C).

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 31 March 2025.
Read through reviews of airlines operating flights from Oregon to Ontario, such as Alaska Airlines, Delta and United Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,818 reviews
Check prices

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Crew

8.5

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,818 reviews
Alaska Airlines
8.0
Very good
9,818 reviews
Check prices

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Crew

8.5

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,899 reviews
Alaska Airlines
8.0
Very good
9,818 reviews
Check prices

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Crew

8.5

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,614 reviews
Alaska Airlines
8.0
Very good
9,818 reviews
Check prices

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Crew

8.5

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,818 reviews
Check prices

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Crew

8.5

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
WestJet
7.2
Good
2,789 reviews
Alaska Airlines
8.0
Very good
9,818 reviews
Check prices

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Crew

8.5

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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.

  • 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$ 213), United Airlines (C$ 228), and Air Canada (C$ 230).

  • 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$ 167). 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

Browse thousands of different options on Cheapflights for your next trip

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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 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 31 March 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 212AverageC$ 647FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

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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