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

The number of flights available between Portland and Region of Ontario is 2 per week as of September 2026. The most frequent departure day is Tue, with 50% of weekly flights leaving on this day.

What airlines fly to Region of Ontario?

United Airlines, Air Canada and Delta are the top three most popular airlines that fly to Region of Ontario from Portland according to our data. United Airlines is the first choice among our users, with 38% of people opting to fly with this airline when traveling to Region of Ontario. Keep in mind that there are 6 different airlines that fly to Region of Ontario on a routine basis, so you have a few additional options to choose from.

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

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

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

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

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

The number of operators available for flights from Portland Airport to Ontario is 6 as of September 2026.

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

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 Portland Airport to Ontario.

What documentation or ID do you need to fly to Ontario?

The travel and health documents you'll need for your trip to Ontario 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 Ontario. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$113 Cheap Flights from Portland to Ontario in 2026

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Find the cheapest flights from Portland to Ontario

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

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

11h 40m2 stops Calgary Edmonton

10:55 am - 7:11 pmYYZ Toronto Pearson Intl-PDX Portland

11h 16m2 stops Edmonton Vancouver Intl

$306Multiple Airlines

Fri, Oct 16 - Fri, Oct 23

2:30 pm - 1:05 amPDX Portland-YYZ Toronto Pearson Intl

7h 35m1 stop Calgary

10:55 am - 7:11 pmYYZ Toronto Pearson Intl-PDX Portland

11h 16m2 stops Edmonton Vancouver Intl

$310Multiple Airlines

Fri, Oct 16 - Fri, Oct 23

2:30 pm - 1:05 amPDX Portland-YYZ Toronto Pearson Intl

7h 35m1 stop Calgary

10:25 pm - 1:50 pmYYZ Toronto Pearson Intl-PDX Portland

18h 25m1 stop Calgary

$324WestJet

Wed, Oct 14 - Thu, Oct 15

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

11h 40m2 stops Calgary Edmonton

10:25 pm - 1:50 pmYYZ Toronto Pearson Intl-PDX Portland

18h 25m1 stop Calgary

$341WestJet

Wed, Oct 14 - Thu, Oct 15

7:45 pm - 7:10 amPDX Portland-YUL Montreal Pierre Elliott Trudeau Intl

8h 25m1 stop Vancouver Intl

11:10 am - 7:11 pmYUL Montreal Pierre Elliott Trudeau Intl-PDX Portland

11h 01m2 stops Toronto Pearson Intl Vancouver Intl

$346Air Canada

Tue, Oct 20 - Wed, Oct 21

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

17h 13m1 stop Chicago O'Hare Intl

2:20 pm - 8:10 pmYUL Montreal Pierre Elliott Trudeau Intl-PDX Portland

8h 50m1 stop Washington, D.C. Dulles Intl

$347United Airlines

Tue, Oct 20 - Wed, Oct 21

7:05 am - 7:37 pmPDX Portland-YYZ Toronto Pearson Intl

9h 32m2 stops Vancouver Intl Edmonton

8:30 am - 6:31 pmYYZ Toronto Pearson Intl-PDX Portland

13h 01m2 stops Edmonton Vancouver Intl

$351Air Canada

Tue, Oct 27 - Sat, Oct 31

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

17h 13m1 stop Chicago O'Hare Intl

2:20 pm - 8:10 pmYUL Montreal Pierre Elliott Trudeau Intl-PDX Portland

8h 50m1 stop Washington, D.C. Dulles Intl

$357United Airlines

Tue, Oct 20 - Wed, Oct 21

6:01 am - 5:44 pmPDX Portland-YYZ Toronto Pearson Intl

8h 43m1 stop Chicago O'Hare Intl

1:15 pm - 7:41 pmYYZ Toronto Pearson Intl-PDX Portland

9h 26m1 stop Chicago O'Hare Intl

$365American Airlines

Tue, Sep 29 - Tue, Oct 6

11:09 pm - 10:50 amPDX Portland-YYZ Toronto Pearson Intl

8h 41m1 stop Chicago O'Hare Intl

6:10 am - 1:44 pmYYZ Toronto Pearson Intl-PDX Portland

10h 34m1 stop Dallas/Fort Worth

$365American Airlines

Wed, Nov 11 - Sat, Nov 14

Cheap last minute flights

Enter your travel dates to find the best prices.

1:30 pm - 11:10 pmPDX Portland-YYZ Toronto Pearson Intl

6h 40m1 stop Minneapolis St Paul

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

7h 24m1 stop Detroit Metropolitan Wayne County

$455Delta

Sat, Sep 5 - Wed, Sep 9

6:00 am - 6:34 pmPDX Portland-YYZ Toronto Pearson Intl

9h 34m1 stop Minneapolis St Paul

7:24 pm - 11:20 pmYYZ Toronto Pearson Intl-PDX Portland

6h 56m1 stop Minneapolis St Paul

$484Delta

Thu, Sep 3 - Fri, Sep 4

5:59 am - 5:44 pmPDX Portland-YYZ Toronto Pearson Intl

8h 45m1 stop Chicago O'Hare Intl

11:39 am - 7:20 pmYYZ Toronto Pearson Intl-PDX Portland

10h 41m2 stops Chicago O'Hare Intl Dallas/Fort Worth

$522American Airlines

Sat, Sep 5 - Wed, Sep 9

7:02 am - 9:30 pmPDX Portland-YTZ Toronto Island

11h 28m2 stops Chicago O'Hare Intl Ottawa

12:15 pm - 7:18 pmYTZ Toronto Island-PDX Portland

10h 03m1 stop Chicago O'Hare Intl

$567Air Canada

Sat, Sep 5 - Wed, Sep 9

7:15 pm - 11:49 amPDX Portland-YYZ Toronto Pearson Intl

13h 34m2 stops San Francisco Chicago O'Hare Intl

11:00 am - 5:49 pmYYZ Toronto Pearson Intl-PDX Portland

9h 49m2 stops Chicago O'Hare Intl Denver Intl

$630United Airlines

Sat, Sep 5 - Wed, Sep 9

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

7h 54m1 stop Chicago O'Hare Intl

10:45 am - 3:05 pmYYZ Toronto Pearson Intl-PDX Portland

7h 20m1 stop Denver Intl

$632United Airlines

Thu, Sep 3 - Sat, Sep 5

11:02 pm - 6:20 pmPDX Portland-YTZ Toronto Island

16h 18m2 stops Chicago O'Hare Intl Ottawa

6:50 am - 3:56 pmYTZ Toronto Island-PDX Portland

12h 06m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl

$633Air Canada

Sat, Sep 5 - Wed, Sep 9

11:30 pm - 1:48 pmPDX Portland-YUL Montreal Pierre Elliott Trudeau Intl

11h 18m1 stop Charlotte Douglas

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

9h 25m1 stop Chicago O'Hare Intl

$681American Airlines

Fri, Sep 4 - Tue, Sep 8

2:30 pm - 11:45 pmPDX Portland-YUL Montreal Pierre Elliott Trudeau Intl

30h 15m1 stop Calgary

8:00 pm - 1:50 pmYUL Montreal Pierre Elliott Trudeau Intl-PDX Portland

20h 50m1 stop Calgary

$748WestJet

Thu, Sep 3 - Tue, Sep 8

2:30 pm - 12:40 amPDX Portland-YOW Ottawa

7h 10m1 stop Calgary

7:20 am - 1:50 pmYOW Ottawa-PDX Portland

9h 30m1 stop Calgary

$751WestJet

Mon, Sep 7 - Sat, Sep 12

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United Airlines flights from Portland to Region of Ontario

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

United Airlines

Oct 20

PDX2:27 pmPortland

17h 13m

1 stop

YUL10:40 amMontreal Pierre Elliott Trudeau Intl

Oct 21

YUL2:20 pmMontreal Pierre Elliott Trudeau Intl

8h 50m

1 stop

PDX8:10 pmPortland

$347

United Airlines

Oct 20

PDX2:27 pmPortland

17h 13m

1 stop

YUL10:40 amMontreal Pierre Elliott Trudeau Intl

Oct 21

YUL2:20 pmMontreal Pierre Elliott Trudeau Intl

8h 50m

1 stop

PDX8:10 pmPortland

$357

United Airlines

Sep 29

PDX2:27 pmPortland

6h 32m

1 stop

YYZ11:59 pmToronto Pearson Intl

Oct 6

YYZ6:30 amToronto Pearson Intl

8h 35m

1 stop

PDX12:05 pmPortland

$365

American Airlines flights from Portland to Region of Ontario

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

American Airlines

Nov 11

PDX11:09 pmPortland

9h 50m

2 stops

YYZ11:59 amToronto Pearson Intl

Nov 14

YYZ11:36 amToronto Pearson Intl

10h 56m

2 stops

PDX7:32 pmPortland

$380

American Airlines

Sep 28

PDX11:08 pmPortland

9h 36m

1 stop

YUL11:44 amMontreal Pierre Elliott Trudeau Intl

Oct 7

YUL5:34 pmMontreal Pierre Elliott Trudeau Intl

9h 25m

1 stop

PDX11:59 pmPortland

$397

American Airlines

Sep 29

PDX6:01 amPortland

8h 43m

1 stop

YYZ5:44 pmToronto Pearson Intl

Oct 6

YYZ1:15 pmToronto Pearson Intl

9h 26m

1 stop

PDX7:41 pmPortland

$408

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandToronto

PDX Portland - YYZ Toronto Pearson Intl

PDXYYZ

Portland

Fri 10/16

2:30 pm-5:10 am

2 stops11h 40m

Toronto Pearson Intl

Fri 10/23

10:55 am-7:11 pm

2 stops11h 16m

$306

PortlandToronto

PDX Portland - YYZ Toronto Pearson Intl

PDXYYZ

Portland

Fri 10/16

2:30 pm-1:05 am

1 stop7h 35m

Toronto Pearson Intl

Fri 10/23

10:55 am-7:11 pm

2 stops11h 16m

$310

PortlandToronto

PDX Portland - YYZ Toronto Pearson Intl

PDXYYZ

Portland

Wed 10/14

2:30 pm-1:05 am

1 stop7h 35m

Toronto Pearson Intl

Thu 10/15

10:25 pm-1:50 pm

1 stop18h 25m

$324

PortlandToronto

PDX Portland - YYZ Toronto Pearson Intl

PDXYYZ

Portland

Wed 10/14

2:30 pm-5:10 am

2 stops11h 40m

Toronto Pearson Intl

Thu 10/15

10:25 pm-1:50 pm

1 stop18h 25m

$341

PortlandMontreal

PDX Portland - YUL Montreal Pierre Elliott Trudeau Intl

PDXYUL

Portland

Tue 10/20

7:45 pm-7:10 am

1 stop8h 25m

Montreal Pierre Elliott Trudeau Intl

Wed 10/21

11:10 am-7:11 pm

2 stops11h 01m

$346

PortlandMontreal

PDX Portland - YUL Montreal Pierre Elliott Trudeau Intl

PDXYUL

Portland

Tue 10/20

2:27 pm-10:40 am

1 stop17h 13m

Montreal Pierre Elliott Trudeau Intl

Wed 10/21

2:20 pm-8:10 pm

1 stop8h 50m

$347

PortlandToronto

PDX Portland - YYZ Toronto Pearson Intl

PDXYYZ

Portland

Tue 10/27

7:05 am-7:37 pm

2 stops9h 32m

Toronto Pearson Intl

Sat 10/31

8:30 am-6:31 pm

2 stops13h 01m

$351

PortlandMontreal

PDX Portland - YUL Montreal Pierre Elliott Trudeau Intl

PDXYUL

Portland

Tue 10/20

2:27 pm-10:40 am

1 stop17h 13m

Montreal Pierre Elliott Trudeau Intl

Wed 10/21

2:20 pm-8:10 pm

1 stop8h 50m

$357

Quickest round-trip

PortlandToronto

PDX Portland - YYZ Toronto Pearson Intl

PDXYYZ

Portland

Tue 9/29

6:01 am-5:44 pm

1 stop8h 43m

Toronto Pearson Intl

Tue 10/6

1:15 pm-7:41 pm

1 stop9h 26m

$365

PortlandToronto

PDX Portland - YYZ Toronto Pearson Intl

PDXYYZ

Portland

Wed 11/11

11:09 pm-10:50 am

1 stop8h 41m

Toronto Pearson Intl

Sat 11/14

6:10 am-1:44 pm

1 stop10h 34m

$365

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 Portland to Region of Ontario

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 Region of Ontario?

The month of January is, on average, the cheapest month to fly to Region of Ontario from Portland, with most prices found around $369. If you aren’t able to travel during the month of January, then book flights to Region of Ontario from Portland during November instead. Flights to Region of Ontario in November, while not as cheap as those in January, still average around $375.

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

You are more likely to see cheaper flights to Region of Ontario from Portland when booking weeks ahead of your departure date. In general, you can expect to find flights to Region of Ontario for around $439 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Region of Ontario from Portland for as low as $113 on momondo.

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

You could potentially save up to 9% on your flight if you consider stops on a Portland to Region of Ontario flight.

Cheap Portland to Region of Ontario flight deals and tips

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

Best Price Found	$113
Fastest flight time	6h 38m
Direct flights	Sat and Sun
Airports in Region of Ontario	125 airports

The best one-way flight to Region of Ontario from Portland in the past 72 hours is $113. The best round-trip flight deal from Portland to Region of Ontario found on momondo in the last 72 hours is $306.

The fastest flight from Portland to Region of Ontario takes 6h 38m

Direct flights go from Portland to Region of Ontario on Saturday and Sunday. There are no airlines offering direct flights.

There are 125 airports in Region of Ontario. From Portland there are direct flights to Ottawa (YOW).

Search flight deals

Frequently asked questions about flying from Portland to Ontario

When did momondo last update prices for flights from Portland Airport to Ontario?
Prices for flights from Portland Airport to Ontario were last updated today.
How many operators does momondo search for flights from Portland Airport to Ontario?
The number of operators available for flights from Portland Airport to Ontario is 6 as of September 2026.
How old do you have to be to fly from Portland Airport to Ontario?
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 Portland Airport to Ontario.
What documentation or ID do you need to fly to Ontario?
The travel and health documents you'll need for your trip to Ontario 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 Ontario. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Portland to Region of Ontario

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

Airline	Rating	Free Cancellation	Price
WestJet	PriceFrom $113	Free Cancellation	Rating 7.2 3,446 reviews	Search WestJet flights
Air Canada	PriceFrom $138	Free Cancellation	Rating 7.1 11,573 reviews	Search Air Canada flights
Delta	PriceFrom $142	Free Cancellation	Rating 7.8 8,551 reviews	Search Delta flights
United Airlines	PriceFrom $173	Free Cancellation	Rating 7.4 10,159 reviews	Search United Airlines flights
Alaska Airlines	PriceFrom $208	Free Cancellation	Rating 7.9 12,871 reviews	Search Alaska Airlines flights
American Airlines	PriceFrom $355	Free Cancellation	Rating 7.1 12,029 reviews	Search American Airlines flights

Why use momondo?

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

Finding the right flight to Ontario from Portland is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Ontario quick and easy, saving you time and money.

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

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

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

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

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

Yes momondo offers price alerts on flights to Ontario from Portland. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.