What are the cheapest airlines to fly from Region of Ontario to Portland one-way?

The cheapest airline one-way is WestJet, with whom users have recently found tickets for as low as C$ 114. However, be on the lookout for offers from American Airlines and Air Canada, as they are both options that can get you from Region of Ontario to Portland for a low price.

What are the most popular routes from Region of Ontario to Portland?

Most travellers choose Toronto Pearson Intl - Portland, Montreal Pierre Elliott Trudeau Intl - Portland or Toronto Region of Waterloo Intl - Portland when deciding on the best route from Region of Ontario to Portland.

What are the cheapest flights from Region of Ontario to Portland?

While on average a flight from Region of Ontario to Portland is generally C$ 1,017, our data shows the cheapest flight currently is C$ 919. When looking at the most popular route, (Toronto Pearson Intl - Portland), you can expect to pay C$ 306 for that flight.

What are the most popular airlines that fly from Region of Ontario to Portland?

The most popular airlines flying from Region of Ontario to Portland are American Airlines, Air Canada and Alaska Airlines. Something to consider prior to booking your flight.

How far in advance should I book a flight from Region of Ontario to Portland?

To save on the cost of your flight from Region of Ontario to Portland, book at least 28 days before your planned departure. Booking around this time can save you about 91% on the cost of this flight compared to booking a flight leaving this week. We have found prices from C$ 473 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as C$ 577.

What is the cheapest month to fly from Region of Ontario to Portland?

Flights from Region of Ontario to Portland lean towards being more expensive in March. Prices are generally better when you fly from Region of Ontario to Portland in September, with the cheapest ticket starting at C$ 247.

What airport do you fly into for flights to Portland from Ontario?

Located just 9.7 km from the city centre, Portland (PDX) is the airport most travelers will use when flying to Portland from Ontario.

Can I find deals for flights from Ontario to Portland that include hotel bookings?

Yes. In addition to deals on Ontario to Portland flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Ontario to Portland?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Portland.

Can I find deals for business class flights from Ontario to Portland?

Yes. Cheapflights offers flight deals from Ontario to Portland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

C$ 112+ Flights from Ontario to Portland

Cheap flight deals from Ontario to Portland

Round-trip from	C$ 223
One-way from	C$ 114
Popular in	March
Cheapest in	September
Average price	C$ 562
Good one-way deal	C$ 988 or less

WestJet
19/5-29/5
2 total stops
17h 48m total
Ontario to Portland

Search Deals

WestJet
2/7
1 total stop
9h 52m total
Ontario to Portland

Search Deals

Highest demand for flights based on searches. 10% potential increase in price (C$ 83 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (C$ 25 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 2025

Search Deals

Price to beat on a one-way flight from Ontario to Portland.

Search Deals

Find flight deals from Ontario to Portland

Cheapest flights from Ontario to Portland
Explore the most affordable flight options available from Ontario to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 April 2025.

Fri 18/76:00 a.m.YHM - PDX

1 stop9h 52mWestJet

Tue 22/71:45 p.m.PDX - YHM

1 stop7h 56mWestJet

Deal found 17/4C$ 216

Sat 31/56:10 a.m.YOW - PDX

2 stops9h 55mWestJet

Sat 7/61:45 p.m.PDX - YOW

1 stop7h 56mWestJet

Deal found 15/4C$ 336

Fri 13/65:30 p.m.YUL - PDX

1 stop22h 22mWestJet

Tue 17/61:45 p.m.PDX - YUL

1 stop7h 58mWestJet

Deal found 17/4C$ 358

Wed 6/87:30 a.m.YUL - PDX

1 stop10h 15mAir Canada

Mon 11/87:35 p.m.PDX - YUL

1 stop9h 41mAir Canada

Deal found 17/4C$ 367

Wed 30/411:25 a.m.YYZ - PDX

1 stop9h 40mMultiple Airlines

Wed 7/51:37 p.m.PDX - YYZ

2 stops13h 37mMultiple Airlines

Deal found 17/4C$ 388

Tue 20/56:30 a.m.YYZ - PDX

1 stop9h 09mAir Canada

Wed 28/58:30 a.m.PDX - YYZ

1 stop9h 14mAir Canada

Deal found 17/4C$ 392

Fri 20/610:20 p.m.YYZ - PDX

2 stops17h 32mWestJet

Tue 24/61:45 p.m.PDX - YYZ

1 stop7h 39mWestJet

Deal found 17/4C$ 394

Wed 21/57:00 p.m.YYZ - PDX

1 stop8h 31mUnited Airlines

Mon 26/56:43 p.m.PDX - YYZ

1 stop15h 13mUnited Airlines

Deal found 17/4C$ 398

Tue 6/510:35 a.m.YYZ - PDX

2 stops13h 46mAmerican Airlines

Tue 6/511:59 p.m.PDX - YYZ

1 stop13h 26mAmerican Airlines

Deal found 17/4C$ 415

Mon 2/69:25 a.m.YKF - PDX

1 stop12h 20mMultiple Airlines

Tue 10/61:45 p.m.PDX - YKF

1 stop8h 01mMultiple Airlines

Deal found 17/4C$ 419

Mon 5/56:15 a.m.YUL - PDX

1 stop19h 21mUnited Airlines

Wed 7/55:00 a.m.PDX - YUL

1 stop7h 26mUnited Airlines

Deal found 17/4C$ 419

Tue 17/66:04 a.m.YYZ - PDX

1 stop9h 01mDelta

Thu 26/69:30 p.m.PDX - YYZ

1 stop11h 43mDelta

Deal found 17/4C$ 420

Best flights from Ontario to Portland
Discover carefully curated flight deals from Ontario to Portland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 17 April 2025.

Mon 19/56:00 a.m.YHM - PDX

1 stop9h 52mWestJet

Thu 29/51:45 p.m.PDX - YHM

1 stop7h 56mWestJet

Deal found 17/4C$ 223

Wed 6/87:30 a.m.YUL - PDX

1 stop10h 15mAir Canada

Mon 11/87:35 p.m.PDX - YUL

1 stop9h 41mAir Canada

Deal found 17/4C$ 367

Wed 30/411:25 a.m.YYZ - PDX

1 stop9h 40mMultiple Airlines

Wed 7/51:37 p.m.PDX - YYZ

2 stops13h 37mMultiple Airlines

Deal found 17/4C$ 388

Wed 21/57:00 p.m.YYZ - PDX

1 stop8h 31mUnited Airlines

Mon 26/56:43 p.m.PDX - YYZ

1 stop15h 13mUnited Airlines

Deal found 17/4C$ 398

Tue 6/510:35 a.m.YYZ - PDX

2 stops13h 46mAmerican Airlines

Tue 6/511:59 p.m.PDX - YYZ

1 stop13h 26mAmerican Airlines

Deal found 17/4C$ 415

Tue 17/66:04 a.m.YYZ - PDX

1 stop9h 01mDelta

Thu 26/69:30 p.m.PDX - YYZ

1 stop11h 43mDelta

Deal found 17/4C$ 420

Sat 26/44:45 p.m.YYZ - PDX

1 stop7h 11mAlaska Airlines

Thu 1/510:35 a.m.PDX - YYZ

1 stop25h 25mAlaska Airlines

Deal found 17/4C$ 480

Sat 31/56:10 a.m.YOW - PDX

2 stops9h 55mWestJet

Sat 7/61:45 p.m.PDX - YOW

1 stop7h 56mWestJet

Deal found 15/4C$ 336

Tue 20/56:30 a.m.YYZ - PDX

1 stop9h 09mAir Canada

Wed 28/58:30 a.m.PDX - YYZ

1 stop9h 14mAir Canada

Deal found 17/4C$ 392

Fri 13/65:30 p.m.YUL - PDX

1 stop22h 22mWestJet

Tue 17/61:45 p.m.PDX - YUL

1 stop7h 58mWestJet

Deal found 17/4C$ 358

Mon 2/69:25 a.m.YKF - PDX

1 stop12h 20mMultiple Airlines

Tue 10/61:45 p.m.PDX - YKF

1 stop8h 01mMultiple Airlines

Deal found 17/4C$ 419

Mon 5/56:15 a.m.YUL - PDX

1 stop19h 21mUnited Airlines

Wed 7/55:00 a.m.PDX - YUL

1 stop7h 26mUnited Airlines

Deal found 17/4C$ 419

Last-minute flights from Ontario to Portland
Discover last-minute flight deals from Ontario to Portland. Data last updated 17 April 2025 and is based on user searches.

Tue 22/44:35 p.m.YYZ - PDX

1 stop8h 35mAir Canada

Fri 25/47:30 p.m.PDX - YYZ

1 stop8h 30mAir Canada

Deal found 17/4C$ 564

Wed 23/46:10 p.m.YOW - PDX

1 stop18h 02mMultiple Airlines

Wed 30/47:01 p.m.PDX - YOW

1 stop18h 44mMultiple Airlines

Deal found 16/4C$ 421

Wed 23/46:20 p.m.YYZ - PDX

1 stop7h 42mAmerican Airlines

Fri 23/511:49 p.m.PDX - YYZ

1 stop14h 46mAmerican Airlines

Deal found 17/4C$ 534

Wed 23/44:10 p.m.YTZ - PDX

2 stops28h 55mMultiple Airlines

Fri 23/56:30 p.m.PDX - YTZ

2 stops16h 34mMultiple Airlines

Deal found 17/4C$ 778

Thu 24/44:18 p.m.YYZ - PDX

2 stops11h 12mUnited Airlines

Sun 27/45:00 a.m.PDX - YYZ

1 stop14h 48mUnited Airlines

Deal found 17/4C$ 571

Thu 24/412:54 p.m.YYZ - PDX

1 stop26h 59mWestJet

Fri 25/412:59 a.m.PDX - YYZ

1 stop19h 16mWestJet

Deal found 17/4C$ 831

Fri 25/44:31 p.m.YUL - PDX

1 stop9h 05mAir Canada

Mon 5/510:50 p.m.PDX - YUL

1 stop10h 05mAir Canada

Deal found 17/4C$ 477

Fri 25/44:50 p.m.YUL - PDX

2 stops10h 06mDelta

Mon 5/510:59 p.m.PDX - YUL

1 stop9h 59mDelta

Deal found 17/4C$ 541

Fri 25/412:55 p.m.YUL - PDX

2 stops10h 40mAmerican Airlines

Mon 5/511:49 p.m.PDX - YUL

2 stops14h 06mAmerican Airlines

Deal found 17/4C$ 578

Fri 25/46:10 a.m.YUL - PDX

1 stop9h 43mWestJet

Sun 4/512:59 a.m.PDX - YUL

1 stop19h 29mWestJet

Deal found 17/4C$ 835

Sat 26/410:00 a.m.YYZ - PDX

1 stop27h 22mMultiple Airlines

Thu 1/511:02 a.m.PDX - YYZ

2 stops16h 12mMultiple Airlines

Deal found 17/4C$ 438

Sat 26/44:45 p.m.YYZ - PDX

1 stop7h 11mAlaska Airlines

Thu 1/510:35 a.m.PDX - YYZ

1 stop25h 25mAlaska Airlines

Deal found 17/4C$ 480

One-way flights from Ontario to Portland
Search for one-way flight options from Ontario to Portland. Find affordable one-way fares based on user searches. Data last updated 17 April 2025.

Wed 2/76:00 a.m.YKF - PDX

1 stop9h 52mWestJet

Deal found 17/4C$ 114

Wed 2/76:00 a.m.YHM - PDX

1 stop9h 52mWestJet

Deal found 17/4C$ 139

Wed 25/68:00 a.m.YYZ - PDX

1 stop7h 52mWestJet

Deal found 17/4C$ 172

Mon 5/51:15 p.m.YYZ - PDX

1 stop12h 44mAmerican Airlines

Deal found 17/4C$ 222

Tue 24/66:30 p.m.YUL - PDX

1 stop9h 00mAir Canada

Deal found 17/4C$ 225

Sun 1/69:55 p.m.YOW - PDX

1 stop14h 35mAir Canada

Deal found 17/4C$ 230

Sun 1/66:10 a.m.YOW - PDX

2 stops33h 42mWestJet

Deal found 17/4C$ 234

Mon 5/56:35 p.m.YYZ - PDX

2 stops18h 11mUnited Airlines

Deal found 17/4C$ 237

Fri 9/57:50 a.m.YOW - PDX

3 stops31h 52mMultiple Airlines

Deal found 17/4C$ 245

Thu 24/76:45 a.m.YUL - PDX

2 stops33h 07mWestJet

Deal found 17/4C$ 247

Mon 28/44:10 p.m.YTZ - PDX

2 stops28h 55mMultiple Airlines

Deal found 17/4C$ 251

Sun 1/69:00 a.m.YYZ - PDX

3 stops27h 28mMultiple Airlines

Deal found 17/4C$ 256

Cheapflights Fare Finder

Use the filters below to find and compare flights from Ontario to Portland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

HamiltonPortland

YHM - PDX

YHMPDX

Hamilton

Fri 18/7

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

1 stop9h 52m

Portland

Tue 22/7

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

1 stop7h 56m

C$ 216

OttawaPortland

YOW - PDX

YOWPDX

Ottawa

Sat 31/5

6:10 a.m.-1:05 p.m.

2 stops9h 55m

Portland

Sat 7/6

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

1 stop7h 56m

C$ 336

MontrealPortland

YUL - PDX

YULPDX

Montreal Pierre Elliott Trudeau Intl

Fri 13/6

5:30 p.m.-12:52 p.m.

1 stop22h 22m

Portland

Tue 17/6

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

1 stop7h 58m

C$ 358

MontrealPortland

YUL - PDX

YULPDX

Montreal Pierre Elliott Trudeau Intl

Wed 6/8

7:30 a.m.-2:45 p.m.

1 stop10h 15m

Portland

Mon 11/8

7:35 p.m.-8:16 a.m.

1 stop9h 41m

C$ 367

TorontoPortland

YYZ - PDX

YYZPDX

Toronto Pearson Intl

Wed 30/4

11:25 a.m.-6:05 p.m.

1 stop9h 40m

Portland

Wed 7/5

1:37 p.m.-6:14 a.m.

2 stops13h 37m

C$ 388

TorontoPortland

YYZ - PDX

YYZPDX

Toronto Pearson Intl

Tue 20/5

6:30 a.m.-12:39 p.m.

1 stop9h 09m

Portland

Wed 28/5

8:30 a.m.-8:44 p.m.

1 stop9h 14m

C$ 392

TorontoPortland

YYZ - PDX

YYZPDX

Toronto Pearson Intl

Fri 20/6

10:20 p.m.-12:52 p.m.

2 stops17h 32m

Portland

Tue 24/6

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

1 stop7h 39m

C$ 394

TorontoPortland

YYZ - PDX

YYZPDX

Toronto Pearson Intl

Wed 21/5

7:00 p.m.-12:31 a.m.

1 stop8h 31m

Portland

Mon 26/5

6:43 p.m.-12:56 p.m.

1 stop15h 13m

C$ 398

TorontoPortland

YYZ - PDX

YYZPDX

Toronto Pearson Intl

Tue 6/5

10:35 a.m.-9:21 p.m.

2 stops13h 46m

Portland

Tue 6/5

11:59 p.m.-4:25 p.m.

1 stop13h 26m

C$ 415

TorontoPortland

YKF - PDX

YKFPDX

Toronto Region of Waterloo Intl

Mon 2/6

9:25 a.m.-6:45 p.m.

1 stop12h 20m

Portland

Tue 10/6

1:45 p.m.-12:46 a.m.

1 stop8h 01m

C$ 419

Flights are sorted by cheapest round-trip flights first.

Deals found on 17/4

Showing 1-10 of 40 results

Best time to book a flight from Ontario to Portland

Have a flexible travel schedule? Discover the best time to fly to Portland from Ontario 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 Ontario to Portland

What is the cheapest month to book a flight from Region of Ontario to Portland?

Currently, August is the cheapest month in which you can book a flight from Region of Ontario to Portland (average of C$ 259). Flying from Region of Ontario to Portland in December is currently the most expensive (average of C$ 442). 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 ON to PDX?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Region of Ontario to Portland as you normally would.

Rainfall in Portland by month

In terms of precipitation, rainfall in Portland ranges from 18.0 - 142.0 mm per month. November is typically the wettest month, when rainfall can reach 142.0 mm. July is typically the driest time to visit Portland when rainfall is around 18.0 mm.

Temperature in Portland by month

If weather is an important factor for your trip to Portland, 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 5.0 C).

Reviews of airlines servicing Portland

See what other customers who have flown with Alaska Airlines, Delta and United Airlines from Ontario to Portland have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.0

Very good

9,882 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Alaska Airlines

8.0

Very good

9,882 reviews

Alaska Airlines

8.0

Very good

9,882 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Delta

8.0

Very good

7,917 reviews

Alaska Airlines

8.0

Very good

9,882 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

United Airlines

7.4

Good

8,667 reviews

Alaska Airlines

8.0

Very good

9,882 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

American Airlines

7.2

Good

10,000 reviews

Alaska Airlines

8.0

Very good

9,882 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

WestJet

7.2

Good

2,809 reviews

Alaska Airlines

8.0

Very good

9,882 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Related info for your journey

What airport do you fly into for flights to Portland from Ontario?
Located just 9.7 km from the city centre, Portland (PDX) is the airport most travelers will use when flying to Portland from Ontario.
What are the cheapest airlines to fly from Region of Ontario to Portland one-way?
The cheapest airline one-way is WestJet, with whom users have recently found tickets for as low as C$ 114. However, be on the lookout for offers from American Airlines and Air Canada, as they are both options that can get you from Region of Ontario to Portland for a low price.
What are the most popular routes from Region of Ontario to Portland?
Most travellers choose Toronto Pearson Intl - Portland, Montreal Pierre Elliott Trudeau Intl - Portland or Toronto Region of Waterloo Intl - Portland when deciding on the best route from Region of Ontario to Portland.
What are the cheapest flights from Region of Ontario to Portland?
While on average a flight from Region of Ontario to Portland is generally C$ 1,017, our data shows the cheapest flight currently is C$ 919. When looking at the most popular route, (Toronto Pearson Intl - Portland), you can expect to pay C$ 306 for that flight.
Can I find deals for flights from Ontario to Portland that include hotel bookings?
Yes. In addition to deals on Ontario to Portland flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Ontario to Portland?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Portland.
Can I find deals for business class flights from Ontario to Portland?
Yes. Cheapflights offers flight deals from Ontario to Portland 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 Region of Ontario to Portland?
Currently, August is the cheapest month in which you can book a flight from Region of Ontario to Portland (average of C$ 259). Flying from Region of Ontario to Portland in December is currently the most expensive (average of C$ 442). 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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Tillamook

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Camas

Vancouver

Cannon Beach

Lincoln City

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Top 6 airlines flying from Ontario to Portland

Airline	Cheapest	Average	Flexibility	On-time
WestJet	CheapestC$ 276	AverageC$ 465	FlexibilityNo cancel fee	On-time60%	Search WestJet flights
Alaska Airlines	CheapestC$ 281	AverageC$ 464	FlexibilityNo cancel fee	On-time75%	Search Alaska Airlines flights
United Airlines	CheapestC$ 370	AverageC$ 642	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Air Canada	CheapestC$ 371	AverageC$ 651	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
Delta	CheapestC$ 378	AverageC$ 487	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
American Airlines	CheapestC$ 404	AverageC$ 590	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights

Fly with Cheapflights

How does Cheapflights help users find flights from Ontario to Portland?

Cheapflights makes it easy to find Ontario to Portland flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Ontario to Portland?

Millions of users choose and trust Cheapflights to book the best flight deals from Ontario to Portland for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Ontario to Portland with no change fees?

Yes, we can. To see specific flights from Ontario to Portland with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Ontario to Portland become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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Cheap flights from Ontario to Portland from C$ 112

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 12/8. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Ontario to Portland

Keep the following information in mind while searching for Ontario to Portland flight deals. Data was last updated 17 April 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good one-way deal

Find flight deals from Ontario to Portland

Cheapest flights from Ontario to PortlandExplore the most affordable flight options available from Ontario to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 April 2025.

Explore the most affordable flight options available from Ontario to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 April 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Ontario to Portland that are best for you.

Best time to book a flight from Ontario to Portland

Have a flexible travel schedule? Discover the best time to fly to Portland from Ontario with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Ontario to Portland

What is the cheapest month to book a flight from Region of Ontario to Portland?

What is the cheapest time of day to fly from ON to PDX?

Find hourly flight availability from Ontario to Portland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 17 April 2025.

Rainfall in Portland by month

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

Temperature in Portland by month

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

Reviews of airlines servicing Portland

See what other customers who have flown with Alaska Airlines, Delta and United Airlines from Ontario to Portland have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Portland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly into for flights to Portland from Ontario?

What are the cheapest airlines to fly from Region of Ontario to Portland one-way?

What are the most popular routes from Region of Ontario to Portland?

What are the cheapest flights from Region of Ontario to Portland?

Can I find deals for flights from Ontario to Portland that include hotel bookings?

How can I find direct flights from Ontario to Portland?

Can I find deals for business class flights from Ontario to Portland?

What is the cheapest month to book a flight from Region of Ontario to Portland?

Travelling to a place near Ontario?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Ontario to Portland

See prices for flight routes from nearby airports that may be better suited for you.

Top 6 airlines flying from Ontario to Portland

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 Ontario to Portland?

Why should you use Cheapflights to find cheap flight tickets from Ontario to Portland?

Can Cheapflights find flights from Ontario to Portland with no change fees?

Can Cheapflights notify me if prices for flights from Ontario to Portland become cheaper?

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Cheapest flights from Ontario to Portland
Explore the most affordable flight options available from Ontario to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 April 2025.