What is the cheapest airline that flies from Ontario to Portland?

WestJet, American Airlines, and Delta are the most popular carriers operating from Ontario to Portland

How long does it take to fly to Portland?

Flight times vary depending on what airport in Region of Ontario you fly out of and what airport in Portland you fly into. For example, flying from Ottawa to Portland takes 8h 08m on average. On the other hand, flying from Hamilton to Portland takes 9h 26m on average. Keep in mind that it’s always quicker to opt for a non-stop flight, so be sure to check momondo to see if there are any available for your route.

Which airlines fly to Portland?

United Airlines, Air Canada and WestJet are the top three most popular airlines that fly to Portland from Region of Ontario according to our data. United Airlines is the first choice among our users, with 38% of people opting to fly with this airline when travelling to Portland. Keep in mind that there are 5 different airlines that fly to Portland on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Ontario to Portland Airport?

Prices for flights from Ontario to Portland Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Ontario to Portland Airport?

There are 5 operators available for flights from Ontario to Portland Airport as of September 2026.

How old do you have to be to fly from Ontario to Portland Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario to Portland Airport.

What documentation or ID do you need to fly to Portland Airport?

The travel and health documents you'll need for your trip to Portland Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Portland Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

C$ 213 Cheap Flights from Ontario to Portland in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Ontario to Portland

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

7:30 a.m. - 2:46 p.m.YUL Montreal Pierre Elliott Trudeau Intl-PDX Portland

10h 16m1 stop Vancouver Intl

7:05 a.m. - 7:35 p.m.PDX Portland-YUL Montreal Pierre Elliott Trudeau Intl

9h 30m1 stop Vancouver Intl

C$ 393Air Canada

Fri, 23 Oct - Sat, 31 Oct

7:30 a.m. - 2:46 p.m.YUL Montreal Pierre Elliott Trudeau Intl-PDX Portland

10h 16m1 stop Vancouver Intl

7:15 p.m. - 8:10 a.m.PDX Portland-YUL Montreal Pierre Elliott Trudeau Intl

9h 55m2 stops Vancouver Intl Calgary

C$ 399Air Canada

Fri, 23 Oct - Sat, 31 Oct

9:45 a.m. - 5:49 p.m.YUL Montreal Pierre Elliott Trudeau Intl-PDX Portland

11h 04m2 stops Chicago O'Hare Intl Denver Intl

7:45 p.m. - 9:55 a.m.PDX Portland-YUL Montreal Pierre Elliott Trudeau Intl

11h 10m2 stops Vancouver Intl Ottawa

C$ 420Multiple Airlines

Sat, 19 Sep - Sat, 26 Sep

9:45 a.m. - 3:56 p.m.YUL Montreal Pierre Elliott Trudeau Intl-PDX Portland

9h 11m1 stop Chicago O'Hare Intl

3:30 p.m. - 7:10 a.m.PDX Portland-YUL Montreal Pierre Elliott Trudeau Intl

12h 40m2 stops Vancouver Intl Edmonton

C$ 420Multiple Airlines

Sat, 19 Sep - Sat, 26 Sep

6:35 p.m. - 10:10 a.m.YUL Montreal Pierre Elliott Trudeau Intl-PDX Portland

18h 35m1 stop San Francisco

2:27 p.m. - 10:40 a.m.PDX Portland-YUL Montreal Pierre Elliott Trudeau Intl

17h 13m1 stop Chicago O'Hare Intl

C$ 428United Airlines

Tue, 13 Oct - Sat, 17 Oct

9:45 a.m. - 10:23 p.m.YUL Montreal Pierre Elliott Trudeau Intl-PDX Portland

15h 38m1 stop Chicago O'Hare Intl

7:33 p.m. - 8:16 a.m.PDX Portland-YUL Montreal Pierre Elliott Trudeau Intl

9h 43m1 stop San Francisco

C$ 434United Airlines

Tue, 29 Sep - Tue, 6 Oct

1:30 p.m. - 1:50 p.m.YYZ Toronto Pearson Intl-PDX Portland

27h 20m1 stop Calgary

2:30 p.m. - 5:10 a.m.PDX Portland-YYZ Toronto Pearson Intl

11h 40m2 stops Calgary Edmonton

C$ 439WestJet

Thu, 24 Sep - Wed, 30 Sep

7:29 a.m. - 12:22 p.m.YYZ Toronto Pearson Intl-PDX Portland

7h 53m1 stop Chicago O'Hare Intl

9:50 p.m. - 11:10 a.m.PDX Portland-YYZ Toronto Pearson Intl

10h 20m1 stop Charlotte Douglas

C$ 442American Airlines

Thu, 29 Oct - Mon, 2 Nov

7:29 a.m. - 12:22 p.m.YYZ Toronto Pearson Intl-PDX Portland

7h 53m1 stop Chicago O'Hare Intl

9:50 p.m. - 11:10 a.m.PDX Portland-YYZ Toronto Pearson Intl

10h 20m1 stop Charlotte Douglas

C$ 442American Airlines

Thu, 29 Oct - Mon, 2 Nov

10:20 p.m. - 1:50 p.m.YYZ Toronto Pearson Intl-PDX Portland

18h 30m2 stops Edmonton Calgary

2:30 p.m. - 5:10 a.m.PDX Portland-YYZ Toronto Pearson Intl

11h 40m2 stops Calgary Edmonton

C$ 443WestJet

Thu, 24 Sep - Wed, 30 Sep

Cheap last-minute flights

Enter your travel dates to find the best prices.

2:45 p.m. - 10:52 p.m.YYZ Toronto Pearson Intl-PDX Portland

11h 07m1 stop Chicago O'Hare Intl

7:02 a.m. - 5:56 p.m.PDX Portland-YYZ Toronto Pearson Intl

7h 54m1 stop Chicago O'Hare Intl

C$ 449United Airlines

Wed, 9 Sep - Wed, 30 Sep

10:25 p.m. - 1:50 p.m.YYZ Toronto Pearson Intl-PDX Portland

18h 25m1 stop Calgary

2:30 p.m. - 1:05 a.m.PDX Portland-YYZ Toronto Pearson Intl

7h 35m1 stop Calgary

C$ 450WestJet

Wed, 9 Sep - Wed, 30 Sep

5:20 p.m. - 1:50 p.m.YYZ Toronto Pearson Intl-PDX Portland

23h 30m2 stops Edmonton Calgary

2:30 p.m. - 1:05 a.m.PDX Portland-YYZ Toronto Pearson Intl

7h 35m1 stop Calgary

C$ 453WestJet

Wed, 9 Sep - Wed, 30 Sep

6:00 a.m. - 11:50 a.m.YYZ Toronto Pearson Intl-PDX Portland

8h 50m1 stop Philadelphia

6:00 a.m. - 5:20 p.m.PDX Portland-YYZ Toronto Pearson Intl

8h 20m1 stop Dallas/Fort Worth

C$ 472American Airlines

Tue, 8 Sep - Tue, 15 Sep

1:00 p.m. - 7:18 p.m.YYZ Toronto Pearson Intl-PDX Portland

9h 18m1 stop Chicago O'Hare Intl

2:27 p.m. - 11:59 p.m.PDX Portland-YYZ Toronto Pearson Intl

6h 32m1 stop Chicago O'Hare Intl

C$ 475United Airlines

Thu, 10 Sep - Tue, 15 Sep

5:50 p.m. - 10:38 p.m.YYZ Toronto Pearson Intl-PDX Portland

7h 48m1 stop Salt Lake City

10:57 p.m. - 10:23 a.m.PDX Portland-YYZ Toronto Pearson Intl

8h 26m1 stop Atlanta Hartsfield-Jackson

C$ 480Delta

Sat, 5 Sep - Tue, 15 Sep

6:00 a.m. - 10:24 a.m.YYZ Toronto Pearson Intl-PDX Portland

7h 24m1 stop Detroit Metropolitan Wayne County

11:10 p.m. - 8:53 a.m.PDX Portland-YYZ Toronto Pearson Intl

6h 43m1 stop Detroit Metropolitan Wayne County

C$ 483Delta

Thu, 10 Sep - Sun, 13 Sep

6:00 a.m. - 11:50 a.m.YYZ Toronto Pearson Intl-PDX Portland

8h 50m1 stop Philadelphia

11:08 p.m. - 11:59 a.m.PDX Portland-YYZ Toronto Pearson Intl

9h 51m2 stops Chicago O'Hare Intl Washington, D.C. Reagan-National

C$ 486American Airlines

Tue, 8 Sep - Tue, 15 Sep

5:10 p.m. - 9:31 a.m.YYZ Toronto Pearson Intl-PDX Portland

19h 21m2 stops Winnipeg Vancouver Intl

3:30 p.m. - 6:34 a.m.PDX Portland-YYZ Toronto Pearson Intl

12h 04m2 stops Vancouver Intl Edmonton

C$ 576Air Canada

Sat, 5 Sep - Sat, 12 Sep

7:30 a.m. - 2:51 p.m.YUL Montreal Pierre Elliott Trudeau Intl-PDX Portland

10h 21m1 stop Vancouver Intl

7:45 p.m. - 9:55 a.m.PDX Portland-YUL Montreal Pierre Elliott Trudeau Intl

11h 10m2 stops Vancouver Intl Ottawa

C$ 594Air Canada

Sun, 6 Sep - Sat, 19 Sep

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Delta flights from Region of Ontario to Portland

Our best Delta deals on Region of Ontario to Portland flight tickets

Delta

19 Sep

YUL6:00 a.m.Montreal Pierre Elliott Trudeau Intl

14h 31m

2 stops

PDX5:31 p.m.Portland

26 Sep

PDX6:00 a.m.Portland

14h 27m

2 stops

YUL11:27 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 434

Delta

26 Nov

YUL7:10 a.m.Montreal Pierre Elliott Trudeau Intl

14h 45m

2 stops

PDX6:55 p.m.Portland

2 Dec

PDX7:00 a.m.Portland

13h 33m

2 stops

YUL11:33 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 443

Delta

21 Oct

YUL5:10 p.m.Montreal Pierre Elliott Trudeau Intl

9h 49m

2 stops

PDX11:59 p.m.Portland

23 Oct

PDX11:00 p.m.Portland

11h 39m

1 stop

YUL1:39 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 446

American Airlines flights from Region of Ontario to Portland

Our best American Airlines deals on Region of Ontario to Portland flight tickets

American Airlines

19 Sep

YUL4:15 p.m.Montreal Pierre Elliott Trudeau Intl

10h 13m

1 stop

PDX11:28 p.m.Portland

26 Sep

PDX7:25 a.m.Portland

11h 17m

1 stop

YUL9:42 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 436

American Airlines

18 Oct

YYZ7:29 a.m.Toronto Pearson Intl

7h 53m

1 stop

PDX12:22 p.m.Portland

23 Oct

PDX10:55 p.m.Portland

9h 04m

1 stop

YYZ10:59 a.m.Toronto Pearson Intl

C$ 453

American Airlines

18 Sep

YYZ7:15 p.m.Toronto Pearson Intl

7h 52m

1 stop

PDX12:07 a.m.Portland

22 Sep

PDX11:08 p.m.Portland

11h 30m

2 stops

YYZ1:38 p.m.Toronto Pearson Intl

C$ 458

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MontrealPortland

YUL Montreal Pierre Elliott Trudeau Intl - PDX Portland

YULPDX

Montreal Pierre Elliott Trudeau Intl

Fri 23/10

7:30 a.m.-2:46 p.m.

1 stop10h 16m

Portland

Sat 31/10

7:05 a.m.-7:35 p.m.

1 stop9h 30m

C$ 393

MontrealPortland

YUL Montreal Pierre Elliott Trudeau Intl - PDX Portland

YULPDX

Montreal Pierre Elliott Trudeau Intl

Fri 23/10

7:30 a.m.-2:46 p.m.

1 stop10h 16m

Portland

Sat 31/10

7:15 p.m.-8:10 a.m.

2 stops9h 55m

C$ 399

MontrealPortland

YUL Montreal Pierre Elliott Trudeau Intl - PDX Portland

YULPDX

Montreal Pierre Elliott Trudeau Intl

Sat 19/9

9:45 a.m.-5:49 p.m.

2 stops11h 04m

Portland

Sat 26/9

7:45 p.m.-9:55 a.m.

2 stops11h 10m

C$ 420

MontrealPortland

YUL Montreal Pierre Elliott Trudeau Intl - PDX Portland

YULPDX

Montreal Pierre Elliott Trudeau Intl

Sat 19/9

9:45 a.m.-3:56 p.m.

1 stop9h 11m

Portland

Sat 26/9

3:30 p.m.-7:10 a.m.

2 stops12h 40m

C$ 420

MontrealPortland

YUL Montreal Pierre Elliott Trudeau Intl - PDX Portland

YULPDX

Montreal Pierre Elliott Trudeau Intl

Tue 13/10

6:35 p.m.-10:10 a.m.

1 stop18h 35m

Portland

Sat 17/10

2:27 p.m.-10:40 a.m.

1 stop17h 13m

C$ 428

MontrealPortland

YUL Montreal Pierre Elliott Trudeau Intl - PDX Portland

YULPDX

Montreal Pierre Elliott Trudeau Intl

Tue 29/9

9:45 a.m.-10:23 p.m.

1 stop15h 38m

Portland

Tue 6/10

7:33 p.m.-8:16 a.m.

1 stop9h 43m

C$ 434

TorontoPortland

YYZ Toronto Pearson Intl - PDX Portland

YYZPDX

Toronto Pearson Intl

Thu 24/9

1:30 p.m.-1:50 p.m.

1 stop27h 20m

Portland

Wed 30/9

2:30 p.m.-5:10 a.m.

2 stops11h 40m

C$ 439

Quickest round-trip

TorontoPortland

YYZ Toronto Pearson Intl - PDX Portland

YYZPDX

Toronto Pearson Intl

Thu 29/10

7:29 a.m.-12:22 p.m.

1 stop7h 53m

Portland

Mon 2/11

9:50 p.m.-11:10 a.m.

1 stop10h 20m

C$ 442

TorontoPortland

YYZ Toronto Pearson Intl - PDX Portland

YYZPDX

Toronto Pearson Intl

Thu 29/10

7:29 a.m.-12:22 p.m.

1 stop7h 53m

Portland

Mon 2/11

9:50 p.m.-11:10 a.m.

1 stop10h 20m

C$ 442

TorontoPortland

YYZ Toronto Pearson Intl - PDX Portland

YYZPDX

Toronto Pearson Intl

Thu 24/9

10:20 p.m.-1:50 p.m.

2 stops18h 30m

Portland

Wed 30/9

2:30 p.m.-5:10 a.m.

2 stops11h 40m

C$ 443

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Region of Ontario to Portland

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Portland?

The month of May is, on average, the cheapest month to fly to Portland from Region of Ontario, with most prices found around C$ 478. If you are unable to visit Portland during the month of May, then departing from Region of Ontario during the month September is also very affordable. Most momondo users find prices during this month for around C$ 485.

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

You are more likely to see cheaper flights to Portland from Region of Ontario when booking weeks ahead of your departure date. In general, you can expect to find flights to Portland for around C$ 520 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Portland from Region of Ontario for as low as C$ 356 on momondo.

Can stopping save me money on Region of Ontario to Portland flights?

You could potentially save up to 2% on your flight if you consider stops on a Region of Ontario to Portland flight.

Cheap Region of Ontario to Portland flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Region of Ontario to Portland

Best price found	C$ 213
Fastest flight time	7h 24m
Direct flights	None

The best one-way flight to Portland from Region of Ontario in the past 72 hours is C$ 213. The best round-trip flight deal from Region of Ontario to Portland found on momondo in the last 72 hours is C$ 393.

The fastest flight from Region of Ontario to Portland takes 7h 24m

There are no direct flights from Region of Ontario to Portland. There are no popular flight routes from Region of Ontario to Portland.

Search flight deals

Frequently asked questions about flying from Ontario to Portland

When did momondo last update prices for flights from Ontario to Portland Airport?
Prices for flights from Ontario to Portland Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Ontario to Portland Airport?
There are 5 operators available for flights from Ontario to Portland Airport as of September 2026.
How old do you have to be to fly from Ontario to Portland Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario to Portland Airport.
What documentation or ID do you need to fly to Portland Airport?
The travel and health documents you'll need for your trip to Portland Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Portland Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Region of Ontario to Portland

Compare and see reviews for airlines that fly from Region of Ontario to Portland with momondo

Airline	Rating	Free Cancellation	Price
WestJet	PriceFrom C$ 200	Free Cancellation	Rating 7.2 3,445 reviews	Search WestJet flights
Delta	PriceFrom C$ 211	Free Cancellation	Rating 7.8 8,556 reviews	Search Delta flights
Air Canada	PriceFrom C$ 360	Free Cancellation	Rating 7.1 11,579 reviews	Search Air Canada flights
United Airlines	PriceFrom C$ 386	Free Cancellation	Rating 7.4 10,164 reviews	Search United Airlines flights
American Airlines	PriceFrom C$ 391	Free Cancellation	Rating 7.1 12,036 reviews	Search American Airlines flights

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Hillsboro

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Troutdale

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Why should I use momondo to find a flight deal from Ontario to Portland?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Ontario to Portland . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Ontario to Portland with flexible booking policies on momondo?

momondo does allow users to show only those flights to Portland from Ontario which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Ontario to Portland?

momondo provides multiple filters to help you find the best flight to Portland from Ontario. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Ontario to Portland right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Ontario to Portland flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Cheap flights from Ontario to Portland from C$ 213

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Portland departing on 23/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Delta flights from Region of Ontario to Portland

Our best Delta deals on Region of Ontario to Portland flight tickets

American Airlines flights from Region of Ontario to Portland

Our best American Airlines deals on Region of Ontario to Portland flight tickets

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How to get the cheapest flight ticket from Region of Ontario to Portland

What is the cheapest month to fly to Portland?

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

Can stopping save me money on Region of Ontario to Portland flights?

What is the cheapest airline that flies from Ontario to Portland?

Which airlines fly to Portland?

How long does it take to fly to Portland?

Cheap Region of Ontario to Portland flight deals and tips

Best price found

Fastest flight time

Direct flights

Frequently asked questions about flying from Ontario to Portland

Best airlines flying from Region of Ontario to Portland

Compare and see reviews for airlines that fly from Region of Ontario to Portland with momondo

Travelling to a place near Portland?

Why use momondo?

An easier way to manage your Portland trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

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Airports servicing Oregon

Fly your favourite airline to Portland

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Portland

List of cabin classes available on flights landing in Portland. Availability may vary depending on flight origin and airline.

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