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 3 per week as of October 2026. The most frequent departure day is Wed, with 33% 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 41% 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, United Airlines, and Alaska 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 October 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.

$159 Cheap Flights from Portland to Ontario in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Portland to Ontario

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:05 am - 4:05 pmPDX Portland-YYZ Toronto Pearson Intl

8h 00m1 stop Seattle/Tacoma Intl

5:15 pm - 11:00 pmYYZ Toronto Pearson Intl-PDX Portland

8h 45m1 stop Seattle/Tacoma Intl

$349Alaska Airlines

Sun, Nov 8 - Mon, Nov 16

3:15 pm - 1:24 amPDX Portland-YYZ Toronto Pearson Intl

7h 09m1 stop Vancouver Intl

8:00 am - 2:41 pmYYZ Toronto Pearson Intl-PDX Portland

9h 41m2 stops Regina Vancouver Intl

$370Air Canada

Thu, Dec 3 - Thu, Dec 10

6:08 am - 4:05 pmPDX Portland-YYZ Toronto Pearson Intl

6h 57m1 stop Seattle/Tacoma Intl

5:15 pm - 9:52 pmYYZ Toronto Pearson Intl-PDX Portland

7h 37m1 stop Seattle/Tacoma Intl

$376Alaska Airlines

Thu, Nov 12 - Wed, Dec 9

10:00 am - 7:57 pmPDX Portland-YYZ Toronto Pearson Intl

6h 57m1 stop Vancouver Intl

8:00 am - 2:41 pmYYZ Toronto Pearson Intl-PDX Portland

9h 41m2 stops Regina Vancouver Intl

$376Air Canada

Thu, Nov 12 - Thu, Nov 19

12:02 pm - 6:10 pmPDX Portland-YYZ Toronto Pearson Intl

27h 08m2 stops Denver Intl Nashville Intl

9:50 am - 4:40 pmYYZ Toronto Pearson Intl-PDX Portland

9h 50m1 stop San Francisco

$396Multiple Airlines

Thu, Nov 19 - Thu, Nov 26

5:37 pm - 9:39 pmPDX Portland-YYZ Toronto Pearson Intl

25h 02m1 stop Oakland

9:50 am - 4:35 pmYYZ Toronto Pearson Intl-PDX Portland

9h 45m1 stop San Francisco

$406Multiple Airlines

Mon, Jan 25 - Fri, Jan 29

2:37 pm - 11:59 pmPDX Portland-YYZ Toronto Pearson Intl

6h 22m1 stop Chicago O'Hare Intl

4:10 pm - 9:13 pmYYZ Toronto Pearson Intl-PDX Portland

8h 03m1 stop Denver Intl

$412United Airlines

Sat, Nov 7 - Tue, Nov 10

8:30 am - 7:01 pmPDX Portland-YYZ Toronto Pearson Intl

7h 31m1 stop Washington, D.C. Dulles Intl

6:30 am - 12:15 pmYYZ Toronto Pearson Intl-PDX Portland

8h 45m1 stop San Francisco

$416United Airlines

Wed, Nov 25 - Thu, Dec 3

8:00 am - 9:45 pmPDX Portland-YYZ Toronto Pearson Intl

10h 45m1 stop Philadelphia

1:17 pm - 7:42 pmYYZ Toronto Pearson Intl-PDX Portland

9h 25m1 stop Chicago O'Hare Intl

$416American Airlines

Thu, Nov 12 - Sat, Nov 14

9:50 pm - 11:14 amPDX Portland-YYZ Toronto Pearson Intl

10h 24m1 stop Charlotte Douglas

1:17 pm - 7:42 pmYYZ Toronto Pearson Intl-PDX Portland

9h 25m1 stop Chicago O'Hare Intl

$416American Airlines

Wed, Nov 11 - Sat, Nov 14

Cheap last minute flights

Enter your travel dates to find the best prices.

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

$402Air Canada

Tue, Oct 27 - Sat, Oct 31

7:00 am - 4:47 pmPDX Portland-YYZ Toronto Pearson Intl

6h 47m1 stop Chicago O'Hare Intl

6:15 am - 2:41 pmYYZ Toronto Pearson Intl-PDX Portland

11h 26m2 stops Calgary Vancouver Intl

$412Multiple Airlines

Wed, Oct 28 - Sun, Nov 1

5:00 am - 3:02 pmPDX Portland-YYZ Toronto Pearson Intl

7h 02m1 stop Denver Intl

5:55 pm - 10:27 pmYYZ Toronto Pearson Intl-PDX Portland

7h 32m1 stop Chicago O'Hare Intl

$416United Airlines

Wed, Oct 28 - Sun, Nov 1

8:30 am - 7:01 pmPDX Portland-YYZ Toronto Pearson Intl

7h 31m1 stop Washington, D.C. Dulles Intl

6:30 am - 2:37 pmYYZ Toronto Pearson Intl-PDX Portland

11h 07m1 stop San Francisco

$416United Airlines

Tue, Oct 27 - Sat, Oct 31

5:20 am - 5:24 pmPDX Portland-YYZ Toronto Pearson Intl

9h 04m1 stop Dallas/Fort Worth

7:09 am - 12:28 pmYYZ Toronto Pearson Intl-PDX Portland

8h 19m1 stop Chicago O'Hare Intl

$417American Airlines

Thu, Oct 29 - Wed, Nov 4

8:35 am - 9:40 pmPDX Portland-YYZ Toronto Pearson Intl

10h 05m1 stop Philadelphia

10:45 am - 7:47 pmYYZ Toronto Pearson Intl-PDX Portland

12h 02m2 stops New York LaGuardia Chicago O'Hare Intl

$426American Airlines

Thu, Oct 29 - Wed, Nov 4

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

9h 32m2 stops Vancouver Intl Edmonton

7:00 am - 2:41 pmYYZ Toronto Pearson Intl-PDX Portland

10h 41m1 stop Vancouver Intl

$431Air Canada

Tue, Oct 27 - Sat, Oct 31

6:00 am - 9:17 pmPDX Portland-YYZ Toronto Pearson Intl

12h 17m2 stops Minneapolis St Paul New York LaGuardia

1:34 pm - 11:44 pmYYZ Toronto Pearson Intl-PDX Portland

13h 10m2 stops Atlanta Hartsfield-Jackson Minneapolis St Paul

$432Delta

Wed, Oct 28 - Sun, Nov 1

11:59 pm - 4:47 pmPDX Portland-YYZ Toronto Pearson Intl

13h 48m1 stop Chicago O'Hare Intl

6:15 am - 2:41 pmYYZ Toronto Pearson Intl-PDX Portland

11h 26m2 stops Calgary Vancouver Intl

$488Multiple Airlines

Sat, Oct 24 - Wed, Oct 28

8:44 pm - 11:59 amPDX Portland-YYZ Toronto Pearson Intl

12h 15m2 stops Seattle/Tacoma Intl Minneapolis St Paul

12:10 pm - 10:18 pmYYZ Toronto Pearson Intl-PDX Portland

13h 08m2 stops Detroit Metropolitan Wayne County Salt Lake City

$533Delta

Wed, Oct 28 - Mon, Nov 2

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Delta flights from Portland to Region of Ontario

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

Delta

Nov 12

PDX7:10 amPortland

12h 41m

1 stop

YYZ10:51 pmToronto Pearson Intl

Nov 17

YYZ12:20 pmToronto Pearson Intl

12h 37m

1 stop

PDX9:57 pmPortland

$416

Delta

Nov 12

PDX7:10 amPortland

12h 41m

1 stop

YYZ10:51 pmToronto Pearson Intl

Nov 17

YYZ9:45 amToronto Pearson Intl

13h 19m

2 stops

PDX8:04 pmPortland

$426

Delta

Nov 12

PDX5:45 amPortland

14h 12m

2 stops

YYZ10:57 pmToronto Pearson Intl

Nov 19

YYZ9:45 amToronto Pearson Intl

13h 19m

2 stops

PDX8:04 pmPortland

$431

Alaska Airlines flights from Portland to Region of Ontario

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

Alaska Airlines

Nov 8

PDX5:05 amPortland

8h 00m

1 stop

YYZ4:05 pmToronto Pearson Intl

Nov 16

YYZ5:15 pmToronto Pearson Intl

8h 45m

1 stop

PDX11:00 pmPortland

$349

Alaska Airlines

Nov 12

PDX6:08 amPortland

6h 57m

1 stop

YYZ4:05 pmToronto Pearson Intl

Dec 9

YYZ5:15 pmToronto Pearson Intl

7h 37m

1 stop

PDX9:52 pmPortland

$376

Alaska Airlines

Nov 18

PDX6:08 amPortland

6h 57m

1 stop

YYZ4:05 pmToronto Pearson Intl

Nov 25

YYZ5:15 pmToronto Pearson Intl

8h 43m

1 stop

PDX10:58 pmPortland

$378

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandToronto

PDX Portland - YYZ Toronto Pearson Intl

PDXYYZ

Portland

Sun 11/8

5:05 am-4:05 pm

1 stop8h 00m

Toronto Pearson Intl

Mon 11/16

5:15 pm-11:00 pm

1 stop8h 45m

$349

PortlandToronto

PDX Portland - YYZ Toronto Pearson Intl

PDXYYZ

Portland

Thu 12/3

3:15 pm-1:24 am

1 stop7h 09m

Toronto Pearson Intl

Thu 12/10

8:00 am-2:41 pm

2 stops9h 41m

$370

PortlandToronto

PDX Portland - YYZ Toronto Pearson Intl

PDXYYZ

Portland

Thu 11/12

6:08 am-4:05 pm

1 stop6h 57m

Toronto Pearson Intl

Wed 12/9

5:15 pm-9:52 pm

1 stop7h 37m

$376

PortlandToronto

PDX Portland - YYZ Toronto Pearson Intl

PDXYYZ

Portland

Thu 11/12

10:00 am-7:57 pm

1 stop6h 57m

Toronto Pearson Intl

Thu 11/19

8:00 am-2:41 pm

2 stops9h 41m

$376

PortlandToronto

PDX Portland - YYZ Toronto Pearson Intl

PDXYYZ

Portland

Thu 11/19

12:02 pm-6:10 pm

2 stops27h 08m

Toronto Pearson Intl

Thu 11/26

9:50 am-4:40 pm

1 stop9h 50m

$396

PortlandToronto

PDX Portland - YYZ Toronto Pearson Intl

PDXYYZ

Portland

Mon 1/25

5:37 pm-9:39 pm

1 stop25h 02m

Toronto Pearson Intl

Fri 1/29

9:50 am-4:35 pm

1 stop9h 45m

$406

Quickest round-trip

PortlandToronto

PDX Portland - YYZ Toronto Pearson Intl

PDXYYZ

Portland

Sat 11/7

2:37 pm-11:59 pm

1 stop6h 22m

Toronto Pearson Intl

Tue 11/10

4:10 pm-9:13 pm

1 stop8h 03m

$412

PortlandToronto

PDX Portland - YYZ Toronto Pearson Intl

PDXYYZ

Portland

Wed 11/25

8:30 am-7:01 pm

1 stop7h 31m

Toronto Pearson Intl

Thu 12/3

6:30 am-12:15 pm

1 stop8h 45m

$416

PortlandToronto

PDX Portland - YYZ Toronto Pearson Intl

PDXYYZ

Portland

Thu 11/12

8:00 am-9:45 pm

1 stop10h 45m

Toronto Pearson Intl

Sat 11/14

1:17 pm-7:42 pm

1 stop9h 25m

$416

PortlandToronto

PDX Portland - YYZ Toronto Pearson Intl

PDXYYZ

Portland

Wed 11/11

9:50 pm-11:14 am

1 stop10h 24m

Toronto Pearson Intl

Sat 11/14

1:17 pm-7:42 pm

1 stop9h 25m

$416

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 August is, on average, the cheapest month to fly to Region of Ontario from Portland, with most prices found around $384. If you aren’t able to travel during the month of August, then book flights to Region of Ontario from Portland during February instead. Flights to Region of Ontario in February, while not as cheap as those in August, still average around $397.

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 $442 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 3% 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	$159
Fastest flight time	6h 38m
Direct flights	None

The best one-way flight to Region of Ontario from Portland in the past 72 hours is $159. The best round-trip flight deal from Portland to Region of Ontario found on momondo in the last 72 hours is $349.

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

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

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 October 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
Delta	PriceFrom $142	Free Cancellation	Rating 7.8 8,668 reviews	Search Delta flights
Air Canada	PriceFrom $146	Free Cancellation	Rating 7.1 11,794 reviews	Search Air Canada flights
United Airlines	PriceFrom $165	Free Cancellation	Rating 7.3 10,409 reviews	Search United Airlines flights
Alaska Airlines	PriceFrom $208	Free Cancellation	Rating 7.9 13,110 reviews	Search Alaska Airlines flights
American Airlines	PriceFrom $355	Free Cancellation	Rating 7.0 12,193 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.