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

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

What airlines fly to Portland?

United Airlines, Delta and Air Canada 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 41% of people opting to fly with this airline when traveling to Portland. Keep in mind that there are 3 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?

On average, it takes 8h 08m to fly from Region of Ontario to Portland if you fly out of Ottawa (the most popular airport in Region of Ontario) and into Portland (the most popular airport in Portland). If you’re flying out of Hamilton and into Portland, then the flight time is around 9h 26m.

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

Prices for flights from Ontario to Portland Airport were last updated today.

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

As of September 2026, there are 4 operators available to choose from for flights from Ontario to Portland Airport.

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 that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check 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.

$154 Cheap Flights from Ontario to Portland in 2026

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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.

7:30 am - 2:46 pmYUL Montreal Pierre Elliott Trudeau Intl-PDX Portland

10h 16m1 stop Vancouver Intl

7:05 am - 7:35 pmPDX Portland-YUL Montreal Pierre Elliott Trudeau Intl

9h 30m1 stop Vancouver Intl

$285Air Canada

Fri, Oct 23 - Sat, Oct 31

7:30 am - 2:46 pmYUL Montreal Pierre Elliott Trudeau Intl-PDX Portland

10h 16m1 stop Vancouver Intl

7:15 pm - 8:10 amPDX Portland-YUL Montreal Pierre Elliott Trudeau Intl

9h 55m2 stops Vancouver Intl Calgary

$289Air Canada

Fri, Oct 23 - Sat, Oct 31

7:15 am - 1:50 pmYUL Montreal Pierre Elliott Trudeau Intl-PDX Portland

9h 35m1 stop Calgary

2:30 pm - 7:05 amPDX Portland-YUL Montreal Pierre Elliott Trudeau Intl

13h 35m1 stop Calgary

$298WestJet

Sun, Oct 4 - Fri, Oct 16

9:45 am - 5:49 pmYUL Montreal Pierre Elliott Trudeau Intl-PDX Portland

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

7:45 pm - 9:55 amPDX Portland-YUL Montreal Pierre Elliott Trudeau Intl

11h 10m2 stops Vancouver Intl Ottawa

$304Multiple Airlines

Sat, Sep 19 - Sat, Sep 26

6:35 pm - 10:10 amYUL Montreal Pierre Elliott Trudeau Intl-PDX Portland

18h 35m1 stop San Francisco

2:27 pm - 10:40 amPDX Portland-YUL Montreal Pierre Elliott Trudeau Intl

17h 13m1 stop Chicago O'Hare Intl

$310United Airlines

Tue, Oct 13 - Sat, Oct 17

11:23 am - 9:27 pmYUL Montreal Pierre Elliott Trudeau Intl-PDX Portland

13h 04m1 stop Newark

1:03 pm - 8:16 amPDX Portland-YUL Montreal Pierre Elliott Trudeau Intl

16h 13m1 stop San Francisco

$314United Airlines

Wed, Sep 30 - Wed, Oct 7

12:44 pm - 9:47 pmYUL Montreal Pierre Elliott Trudeau Intl-PDX Portland

12h 03m1 stop Atlanta Hartsfield-Jackson

6:50 am - 11:25 pmPDX Portland-YUL Montreal Pierre Elliott Trudeau Intl

13h 35m2 stops Atlanta Hartsfield-Jackson Detroit Metropolitan Wayne County

$314Delta

Tue, Sep 29 - Tue, Oct 6

6:00 am - 5:31 pmYUL Montreal Pierre Elliott Trudeau Intl-PDX Portland

14h 31m2 stops Detroit Metropolitan Wayne County Minneapolis St Paul

6:00 am - 11:27 pmPDX Portland-YUL Montreal Pierre Elliott Trudeau Intl

14h 27m2 stops Minneapolis St Paul Detroit Metropolitan Wayne County

$314Delta

Sat, Sep 19 - Sat, Sep 26

4:15 pm - 11:28 pmYUL Montreal Pierre Elliott Trudeau Intl-PDX Portland

10h 13m1 stop Philadelphia

7:25 am - 9:42 pmPDX Portland-YUL Montreal Pierre Elliott Trudeau Intl

11h 17m1 stop Philadelphia

$316American Airlines

Sat, Sep 19 - Sat, Sep 26

1:15 pm - 8:30 pmYYZ Toronto Pearson Intl-PDX Portland

10h 15m2 stops Chicago O'Hare Intl Phoenix Sky Harbor Intl

10:55 pm - 12:07 pmPDX Portland-YYZ Toronto Pearson Intl

10h 12m2 stops Chicago O'Hare Intl New York LaGuardia

$317American Airlines

Sat, Oct 3 - Tue, Oct 27

Cheap last minute flights

Enter your travel dates to find the best prices.

9:00 am - 1:50 pmYYZ Toronto Pearson Intl-PDX Portland

7h 50m1 stop Calgary

2:30 pm - 5:10 amPDX Portland-YYZ Toronto Pearson Intl

11h 40m2 stops Calgary Edmonton

$324WestJet

Wed, Sep 9 - Wed, Sep 30

2:45 pm - 10:52 pmYYZ Toronto Pearson Intl-PDX Portland

11h 07m1 stop Chicago O'Hare Intl

7:02 am - 5:56 pmPDX Portland-YYZ Toronto Pearson Intl

7h 54m1 stop Chicago O'Hare Intl

$325United Airlines

Wed, Sep 9 - Wed, Sep 30

6:10 am - 1:50 pmYYZ Toronto Pearson Intl-PDX Portland

10h 40m2 stops Edmonton Calgary

2:30 pm - 5:10 amPDX Portland-YYZ Toronto Pearson Intl

11h 40m2 stops Calgary Edmonton

$325WestJet

Wed, Sep 9 - Wed, Sep 30

2:45 pm - 7:18 pmYYZ Toronto Pearson Intl-PDX Portland

7h 33m1 stop Chicago O'Hare Intl

5:30 am - 4:14 pmPDX Portland-YYZ Toronto Pearson Intl

7h 44m1 stop San Francisco

$342United Airlines

Fri, Sep 11 - Sun, Sep 20

6:00 am - 10:24 amYYZ Toronto Pearson Intl-PDX Portland

7h 24m1 stop Detroit Metropolitan Wayne County

11:10 pm - 8:53 amPDX Portland-YYZ Toronto Pearson Intl

6h 43m1 stop Detroit Metropolitan Wayne County

$350Delta

Thu, Sep 10 - Sun, Sep 13

6:00 am - 10:24 amYYZ Toronto Pearson Intl-PDX Portland

7h 24m1 stop Detroit Metropolitan Wayne County

11:10 pm - 8:53 amPDX Portland-YYZ Toronto Pearson Intl

6h 43m1 stop Detroit Metropolitan Wayne County

$350Delta

Fri, Sep 11 - Sun, Sep 13

2:45 pm - 10:52 pmYYZ Toronto Pearson Intl-PDX Portland

11h 07m1 stop Chicago O'Hare Intl

11:02 pm - 9:54 amPDX Portland-YYZ Toronto Pearson Intl

7h 52m1 stop Chicago O'Hare Intl

$406Air Canada

Fri, Sep 11 - Sun, Sep 20

7:30 am - 2:51 pmYUL Montreal Pierre Elliott Trudeau Intl-PDX Portland

10h 21m1 stop Vancouver Intl

7:45 pm - 9:55 amPDX Portland-YUL Montreal Pierre Elliott Trudeau Intl

11h 10m2 stops Vancouver Intl Ottawa

$430Air Canada

Sun, Sep 6 - Sat, Sep 19

4:15 pm - 11:28 pmYUL Montreal Pierre Elliott Trudeau Intl-PDX Portland

10h 13m1 stop Philadelphia

7:25 am - 9:42 pmPDX Portland-YUL Montreal Pierre Elliott Trudeau Intl

11h 17m1 stop Philadelphia

$437American Airlines

Fri, Sep 11 - Wed, Sep 16

5:34 pm - 11:59 pmYUL Montreal Pierre Elliott Trudeau Intl-PDX Portland

9h 25m1 stop Chicago O'Hare Intl

11:08 pm - 11:44 amPDX Portland-YUL Montreal Pierre Elliott Trudeau Intl

9h 36m1 stop Chicago O'Hare Intl

$449American Airlines

Sun, Sep 6 - Sat, Sep 19

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United Airlines flights from Region of Ontario to Portland

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

United Airlines

Oct 13

YUL6:35 pmMontreal Pierre Elliott Trudeau Intl

18h 35m

1 stop

PDX10:10 amPortland

Oct 17

PDX2:27 pmPortland

17h 13m

1 stop

YUL10:40 amMontreal Pierre Elliott Trudeau Intl

$310

United Airlines

Oct 3

YUL9:45 amMontreal Pierre Elliott Trudeau Intl

15h 38m

1 stop

PDX10:23 pmPortland

Oct 9

PDX10:33 pmPortland

11h 36m

1 stop

YUL1:09 pmMontreal Pierre Elliott Trudeau Intl

$318

United Airlines

Oct 15

YYZ6:30 amToronto Pearson Intl

10h 57m

1 stop

PDX2:27 pmPortland

Oct 20

PDX5:00 amPortland

13h 32m

1 stop

YYZ9:32 pmToronto Pearson Intl

$319

Air Canada flights from Region of Ontario to Portland

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

Air Canada

Oct 23

YUL7:30 amMontreal Pierre Elliott Trudeau Intl

10h 16m

1 stop

PDX2:46 pmPortland

Oct 31

PDX7:05 amPortland

9h 30m

1 stop

YUL7:35 pmMontreal Pierre Elliott Trudeau Intl

$285

Air Canada

Oct 23

YUL7:30 amMontreal Pierre Elliott Trudeau Intl

10h 16m

1 stop

PDX2:46 pmPortland

Oct 31

PDX7:15 pmPortland

9h 55m

2 stops

YUL8:10 amMontreal Pierre Elliott Trudeau Intl

$289

Air Canada

Nov 26

YUL7:30 amMontreal Pierre Elliott Trudeau Intl

10h 11m

1 stop

PDX2:41 pmPortland

Dec 2

PDX10:00 amPortland

7h 33m

1 stop

YUL8:33 pmMontreal Pierre Elliott Trudeau Intl

$303

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

MontrealPortland

YUL Montreal Pierre Elliott Trudeau Intl - PDX Portland

YULPDX

Montreal Pierre Elliott Trudeau Intl

Fri 10/23

7:30 am-2:46 pm

1 stop10h 16m

Portland

Sat 10/31

7:05 am-7:35 pm

1 stop9h 30m

$285

MontrealPortland

YUL Montreal Pierre Elliott Trudeau Intl - PDX Portland

YULPDX

Montreal Pierre Elliott Trudeau Intl

Fri 10/23

7:30 am-2:46 pm

1 stop10h 16m

Portland

Sat 10/31

7:15 pm-8:10 am

2 stops9h 55m

$289

MontrealPortland

YUL Montreal Pierre Elliott Trudeau Intl - PDX Portland

YULPDX

Montreal Pierre Elliott Trudeau Intl

Sun 10/4

7:15 am-1:50 pm

1 stop9h 35m

Portland

Fri 10/16

2:30 pm-7:05 am

1 stop13h 35m

$298

MontrealPortland

YUL Montreal Pierre Elliott Trudeau Intl - PDX Portland

YULPDX

Montreal Pierre Elliott Trudeau Intl

Sat 9/19

9:45 am-5:49 pm

2 stops11h 04m

Portland

Sat 9/26

7:45 pm-9:55 am

2 stops11h 10m

$304

MontrealPortland

YUL Montreal Pierre Elliott Trudeau Intl - PDX Portland

YULPDX

Montreal Pierre Elliott Trudeau Intl

Tue 10/13

6:35 pm-10:10 am

1 stop18h 35m

Portland

Sat 10/17

2:27 pm-10:40 am

1 stop17h 13m

$310

MontrealPortland

YUL Montreal Pierre Elliott Trudeau Intl - PDX Portland

YULPDX

Montreal Pierre Elliott Trudeau Intl

Wed 9/30

11:23 am-9:27 pm

1 stop13h 04m

Portland

Wed 10/7

1:03 pm-8:16 am

1 stop16h 13m

$314

MontrealPortland

YUL Montreal Pierre Elliott Trudeau Intl - PDX Portland

YULPDX

Montreal Pierre Elliott Trudeau Intl

Tue 9/29

12:44 pm-9:47 pm

1 stop12h 03m

Portland

Tue 10/6

6:50 am-11:25 pm

2 stops13h 35m

$314

MontrealPortland

YUL Montreal Pierre Elliott Trudeau Intl - PDX Portland

YULPDX

Montreal Pierre Elliott Trudeau Intl

Sat 9/19

6:00 am-5:31 pm

2 stops14h 31m

Portland

Sat 9/26

6:00 am-11:27 pm

2 stops14h 27m

$314

MontrealPortland

YUL Montreal Pierre Elliott Trudeau Intl - PDX Portland

YULPDX

Montreal Pierre Elliott Trudeau Intl

Sat 9/19

4:15 pm-11:28 pm

1 stop10h 13m

Portland

Sat 9/26

7:25 am-9:42 pm

1 stop11h 17m

$316

TorontoPortland

YYZ Toronto Pearson Intl - PDX Portland

YYZPDX

Toronto Pearson Intl

Sat 10/3

1:15 pm-8:30 pm

2 stops10h 15m

Portland

Tue 10/27

10:55 pm-12:07 pm

2 stops10h 12m

$317

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 cheapest month to fly to Portland from Region of Ontario is in May. Flight prices, which tend to average around $346, are often lower during this time because this is during the off-season. If you don’t want to visit Portland in May, then you should wait until June to fly from Region of Ontario, when ticket prices are also cheap, with an average price of $351.

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 $377 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 $258 on momondo.

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

You could potentially save up to 13% 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	$154
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 $154. The best round-trip flight deal from Region of Ontario to Portland found on momondo in the last 72 hours is $285.

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 were last updated today.
How many operators does momondo search for flights from Ontario to Portland Airport?
As of September 2026, there are 4 operators available to choose from for flights from Ontario to Portland Airport.
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 that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check 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
Air Canada	PriceFrom $142	Free Cancellation	Rating 7.1 11,586 reviews	Search Air Canada flights
Delta	PriceFrom $176	Free Cancellation	Rating 7.8 8,573 reviews	Search Delta flights
United Airlines	PriceFrom $298	Free Cancellation	Rating 7.4 10,172 reviews	Search United Airlines flights

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Beaverton

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Rockaway Beach

Hillsboro

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Depoe Bay

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Why use momondo?

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

It is quick and easy to find Ontario to Portland flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Portland that suits you.

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

Yes. momondo allows you to filter the results for Ontario to Portland flights to just show those with flexible booking policies.

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

momondo helps you find the best flight between Ontario and Portland by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Of course. momondo tracks the price of Ontario to Portland flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Cheap flights from Ontario to Portland from $154

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 9/23. 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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United Airlines flights from Region of Ontario to Portland

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

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?

What 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

Traveling 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.

Find better results for your trip to the United States

Airports servicing Oregon

Fly your favorite 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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