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

United Airlines, Air Canada, and Delta are the most popular carriers operating from Ontario to Portland

How many flights depart from Region of Ontario to Portland on average per week?

The number of flights available between Region of Ontario and Portland is 6 per week as of July 2026. The most frequent departure day is Mon, with 33% of weekly flights leaving on this day.

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 36% 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.

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 32m on average. On the other hand, flying from Toronto to Portland takes 9h 18m 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.

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 July 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$ 212 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

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

9:50 a.m. - 7:11 p.m.

YUL

PDX

12h 21m

2 stops

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

PDX

YUL

12h 40m

2 stops

C$ 395Air Canada

Sat, 29 Aug - Sat, 5 Sep

9:20 a.m. - 7:11 p.m.

YUL

PDX

12h 51m

2 stops

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

PDX

YUL

12h 40m

2 stops

C$ 398Air Canada

Sat, 22 Aug - Sat, 29 Aug

9:20 a.m. - 7:11 p.m.

YUL

PDX

12h 51m

2 stops

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

PDX

YUL

12h 40m

2 stops

C$ 399Air Canada

Sat, 22 Aug - Sat, 29 Aug

6:30 a.m. - 6:31 p.m.

YYZ

PDX

15h 01m

1 stop

7:45 p.m. - 12:19 p.m.

PDX

YYZ

13h 34m

2 stops

C$ 415Multiple Airlines

Sat, 26 Sep - Sun, 27 Sep

11:40 a.m. - 9:44 p.m.

YYZ

PDX

13h 04m

1 stop

6:00 a.m. - 6:34 p.m.

PDX

YYZ

9h 34m

1 stop

C$ 416Delta

Tue, 28 Jul - Tue, 11 Aug

11:40 a.m. - 9:44 p.m.

YYZ

PDX

13h 04m

1 stop

11:20 p.m. - 1:34 p.m.

PDX

YYZ

11h 14m

1 stop

C$ 427Delta

Tue, 11 Aug - Thu, 13 Aug

9:15 a.m. - 8:10 p.m.

YUL

PDX

13h 55m

1 stop

1:03 p.m. - 8:16 a.m.

PDX

YUL

16h 13m

1 stop

C$ 427United Airlines

Wed, 30 Sep - Wed, 7 Oct

7:15 p.m. - 11:34 a.m.

YYZ

PDX

19h 19m

1 stop

11:34 p.m. - 2:33 p.m.

PDX

YYZ

11h 59m

1 stop

C$ 429American Airlines

Fri, 28 Aug - Mon, 31 Aug

7:25 p.m. - 9:29 a.m.

YTZ

PDX

17h 04m

1 stop

11:02 p.m. - 10:07 a.m.

PDX

YTZ

8h 05m

1 stop

C$ 457United Airlines

Wed, 2 Sep - Mon, 7 Sep

6:00 a.m. - 10:52 p.m.

YOW

PDX

19h 52m

3 stops

7:45 p.m. - 5:10 p.m.

PDX

YOW

18h 25m

2 stops

C$ 628Multiple Airlines

Sat, 19 Sep - Tue, 29 Sep

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Air Canada flights from Region of Ontario to Portland

Our best Air Canada deals on Region of Ontario to Portland flight tickets

Air Canada

29 Aug

YUL9:50 a.m.Montreal Pierre Elliott Trudeau Intl

12h 21m

2 stops

PDX7:11 p.m.Portland

5 Sep

PDX3:30 p.m.Portland

12h 40m

2 stops

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

C$ 395

Air Canada

22 Aug

YUL9:20 a.m.Montreal Pierre Elliott Trudeau Intl

12h 51m

2 stops

PDX7:11 p.m.Portland

29 Aug

PDX3:30 p.m.Portland

12h 40m

2 stops

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

C$ 398

Air Canada

22 Aug

YUL9:20 a.m.Montreal Pierre Elliott Trudeau Intl

12h 51m

2 stops

PDX7:11 p.m.Portland

29 Aug

PDX3:30 p.m.Portland

12h 40m

2 stops

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

C$ 399

United Airlines flights from Region of Ontario to Portland

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

United Airlines

13 Oct

YUL6:35 p.m.Montreal Pierre Elliott Trudeau Intl

18h 40m

1 stop

PDX10:15 a.m.Portland

17 Oct

PDX2:27 p.m.Portland

17h 13m

1 stop

YUL10:40 a.m.Montreal Pierre Elliott Trudeau Intl

C$ 422

United Airlines

30 Sep

YUL9:15 a.m.Montreal Pierre Elliott Trudeau Intl

13h 55m

1 stop

PDX8:10 p.m.Portland

7 Oct

PDX1:03 p.m.Portland

16h 13m

1 stop

YUL8:16 a.m.Montreal Pierre Elliott Trudeau Intl

C$ 434

United Airlines

29 Aug

YUL9:15 a.m.Montreal Pierre Elliott Trudeau Intl

13h 55m

1 stop

PDX8:10 p.m.Portland

12 Sep

PDX11:09 p.m.Portland

11h 00m

1 stop

YUL1:09 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 446

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MontrealPortland

YUL - PDX

YULPDX

Montreal Pierre Elliott Trudeau Intl

Sat 29/8

9:50 a.m.-7:11 p.m.

2 stops12h 21m

Portland

Sat 5/9

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

2 stops12h 40m

C$ 395

MontrealPortland

YUL - PDX

YULPDX

Montreal Pierre Elliott Trudeau Intl

Sat 22/8

9:20 a.m.-7:11 p.m.

2 stops12h 51m

Portland

Sat 29/8

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

2 stops12h 40m

C$ 398

MontrealPortland

YUL - PDX

YULPDX

Montreal Pierre Elliott Trudeau Intl

Sat 22/8

9:20 a.m.-7:11 p.m.

2 stops12h 51m

Portland

Sat 29/8

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

2 stops12h 40m

C$ 399

TorontoPortland

YYZ - PDX

YYZPDX

Toronto Pearson Intl

Sat 26/9

6:30 a.m.-6:31 p.m.

1 stop15h 01m

Portland

Sun 27/9

7:45 p.m.-12:19 p.m.

2 stops13h 34m

C$ 415

Quickest round-trip

TorontoPortland

YYZ - PDX

YYZPDX

Toronto Pearson Intl

Tue 28/7

11:40 a.m.-9:44 p.m.

1 stop13h 04m

Portland

Tue 11/8

6:00 a.m.-6:34 p.m.

1 stop9h 34m

C$ 416

TorontoPortland

YYZ - PDX

YYZPDX

Toronto Pearson Intl

Tue 11/8

11:40 a.m.-9:44 p.m.

1 stop13h 04m

Portland

Thu 13/8

11:20 p.m.-1:34 p.m.

1 stop11h 14m

C$ 427

MontrealPortland

YUL - PDX

YULPDX

Montreal Pierre Elliott Trudeau Intl

Wed 30/9

9:15 a.m.-8:10 p.m.

1 stop13h 55m

Portland

Wed 7/10

1:03 p.m.-8:16 a.m.

1 stop16h 13m

C$ 427

TorontoPortland

YYZ - PDX

YYZPDX

Toronto Pearson Intl

Fri 28/8

7:15 p.m.-11:34 a.m.

1 stop19h 19m

Portland

Mon 31/8

11:34 p.m.-2:33 p.m.

1 stop11h 59m

C$ 429

TorontoPortland

YTZ - PDX

YTZPDX

Toronto Island

Wed 2/9

7:25 p.m.-9:29 a.m.

1 stop17h 04m

Portland

Mon 7/9

11:02 p.m.-10:07 a.m.

1 stop8h 05m

C$ 457

OttawaPortland

YOW - PDX

YOWPDX

Ottawa

Sat 19/9

6:00 a.m.-10:52 p.m.

3 stops19h 52m

Portland

Tue 29/9

7:45 p.m.-5:10 p.m.

2 stops18h 25m

C$ 628

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 September is, on average, the cheapest month to fly to Portland from Region of Ontario, with most prices found around C$ 120. If you are unable to visit Portland during the month of September, then departing from Region of Ontario during the month October is also very affordable. Most momondo users find prices during this month for around C$ 140.

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$ 535 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$ 365 on momondo.

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

You could potentially save up to 5% 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

Fastest flight time	7h 33m
Direct flights	None

The fastest flight from Region of Ontario to Portland takes 7h 33m

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

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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 July 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$ 205	Free Cancellation	Rating 7.2 3,410 reviews	Search WestJet flights
Delta	PriceFrom C$ 216	Free Cancellation	Rating 7.8 8,465 reviews	Search Delta flights
American Airlines	PriceFrom C$ 254	Free Cancellation	Rating 7.1 11,812 reviews	Search American Airlines flights
Air Canada	PriceFrom C$ 369	Free Cancellation	Rating 7.1 11,335 reviews	Search Air Canada flights
United Airlines	PriceFrom C$ 390	Free Cancellation	Rating 7.4 9,985 reviews	Search United Airlines flights

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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$ 212

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 3/11. 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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Air Canada flights from Region of Ontario to Portland

Our best Air Canada 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 many flights depart from Region of Ontario to Portland on average per week?

How long does it take to fly to Portland?

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

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

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

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