What airlines fly to Region of Ontario?

Air Canada, United Airlines and Delta are the top three most popular airlines that fly to Region of Ontario from Portland according to our data. Air Canada is the first choice among our users, with 39% 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?

Alaska Airlines, United Airlines, and American 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 March 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.

$119 Cheap Flights from Portland to Ontario in 2026

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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.

2:30 pm - 5:10 am

PDX

YYZ

11h 40m

2 stops

7:00 am - 1:50 pm

YYZ

PDX

9h 50m

1 stop

$262WestJet

sáb., may. 23 - mié., may. 27

2:30 pm - 5:10 am

PDX

YYZ

11h 40m

2 stops

9:00 am - 1:50 pm

YYZ

PDX

7h 50m

1 stop

$270WestJet

sáb., may. 23 - mar., may. 26

2:30 pm - 5:10 am

PDX

YYZ

11h 40m

2 stops

9:00 am - 1:50 pm

YYZ

PDX

7h 50m

1 stop

$273WestJet

sáb., may. 23 - mié., jun. 10

9:50 am - 10:29 pm

PDX

YYZ

9h 39m

2 stops

8:00 am - 6:30 pm

YYZ

PDX

13h 30m

2 stops

$279Air Canada

sáb., abr. 18 - sáb., abr. 25

7:05 pm - 10:25 am

PDX

YTZ

12h 20m

2 stops

6:55 pm - 2:40 pm

YTZ

PDX

22h 45m

2 stops

$279Air Canada

mar., abr. 14 - mar., abr. 21

1:52 pm - 3:45 pm

PDX

YYZ

22h 53m

1 stop

9:00 am - 1:50 pm

YYZ

PDX

7h 50m

1 stop

$291Multiple Airlines

sáb., may. 2 - mié., may. 6

11:59 pm - 11:49 am

PDX

YYZ

8h 50m

1 stop

2:30 pm - 8:42 pm

YYZ

PDX

9h 12m

1 stop

$300United Airlines

lun., abr. 6 - mar., abr. 7

1:35 pm - 3:45 pm

PDX

YYZ

23h 10m

1 stop

4:55 pm - 9:38 pm

YYZ

PDX

7h 43m

1 stop

$301Alaska Airlines

mar., abr. 14 - mar., abr. 21

12:45 pm - 9:20 am

PDX

YUL

17h 35m

2 stops

7:15 am - 1:50 pm

YUL

PDX

9h 35m

1 stop

$359Multiple Airlines

lun., abr. 20 - mié., abr. 29

2:12 pm - 10:40 am

PDX

YUL

17h 28m

1 stop

2:20 pm - 8:19 pm

YUL

PDX

8h 59m

1 stop

$360United Airlines

sáb., may. 23 - dom., may. 24

United Airlines flights from Portland to Region of Ontario

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

United Airlines

Apr 6

PDX11:59 pmPortland

8h 50m

1 stop

YYZ11:49 amToronto Pearson Intl

Apr 7

YYZ2:30 pmToronto Pearson Intl

9h 12m

1 stop

PDX8:42 pmPortland

$300

United Airlines

Aug 10

PDX11:30 pmPortland

7h 34m

1 stop

YYZ10:04 amToronto Pearson Intl

Aug 11

YYZ1:00 pmToronto Pearson Intl

13h 09m

1 stop

PDX11:09 pmPortland

$307

United Airlines

Apr 21

PDX11:15 pmPortland

9h 28m

1 stop

YYZ11:43 amToronto Pearson Intl

Apr 22

YYZ2:30 pmToronto Pearson Intl

9h 12m

1 stop

PDX8:42 pmPortland

$320

Alaska Airlines flights from Portland to Region of Ontario

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

Alaska Airlines

Apr 14

PDX1:35 pmPortland

23h 10m

1 stop

YYZ3:45 pmToronto Pearson Intl

Apr 21

YYZ4:55 pmToronto Pearson Intl

7h 43m

1 stop

PDX9:38 pmPortland

$301

Alaska Airlines

Mar 30

PDX6:00 amPortland

6h 45m

1 stop

YYZ3:45 pmToronto Pearson Intl

Apr 14

YYZ4:55 pmToronto Pearson Intl

8h 43m

1 stop

PDX10:38 pmPortland

$313

Alaska Airlines

Mar 17

PDX3:52 pmPortland

20h 43m

1 stop

YYZ3:35 pmToronto Pearson Intl

Mar 24

YYZ4:45 pmToronto Pearson Intl

7h 53m

1 stop

PDX9:38 pmPortland

$387

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

sáb. 5/23

2:30 pm-5:10 am

2 stops11h 40m

Toronto Pearson Intl

mié. 5/27

7:00 am-1:50 pm

1 stop9h 50m

$262

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

sáb. 5/23

2:30 pm-5:10 am

2 stops11h 40m

Toronto Pearson Intl

mar. 5/26

9:00 am-1:50 pm

1 stop7h 50m

$270

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

sáb. 5/23

2:30 pm-5:10 am

2 stops11h 40m

Toronto Pearson Intl

mié. 6/10

9:00 am-1:50 pm

1 stop7h 50m

$273

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

sáb. 4/18

9:50 am-10:29 pm

2 stops9h 39m

Toronto Pearson Intl

sáb. 4/25

8:00 am-6:30 pm

2 stops13h 30m

$279

PortlandToronto

PDX - YTZ

PDXYTZ

Portland

mar. 4/14

7:05 pm-10:25 am

2 stops12h 20m

Toronto Island

mar. 4/21

6:55 pm-2:40 pm

2 stops22h 45m

$279

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

sáb. 5/2

1:52 pm-3:45 pm

1 stop22h 53m

Toronto Pearson Intl

mié. 5/6

9:00 am-1:50 pm

1 stop7h 50m

$291

Quickest round-trip

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

lun. 4/6

11:59 pm-11:49 am

1 stop8h 50m

Toronto Pearson Intl

mar. 4/7

2:30 pm-8:42 pm

1 stop9h 12m

$300

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

mar. 4/14

1:35 pm-3:45 pm

1 stop23h 10m

Toronto Pearson Intl

mar. 4/21

4:55 pm-9:38 pm

1 stop7h 43m

$301

PortlandMontreal

PDX - YUL

PDXYUL

Portland

lun. 4/20

12:45 pm-9:20 am

2 stops17h 35m

Montreal Pierre Elliott Trudeau Intl

mié. 4/29

7:15 am-1:50 pm

1 stop9h 35m

$359

PortlandMontreal

PDX - YUL

PDXYUL

Portland

sáb. 5/23

2:12 pm-10:40 am

1 stop17h 28m

Montreal Pierre Elliott Trudeau Intl

dom. 5/24

2:20 pm-8:19 pm

1 stop8h 59m

$360

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

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 $350. If you aren’t able to travel during the month of January, then book flights to Region of Ontario from Portland during August instead. Flights to Region of Ontario in August, while not as cheap as those in January, still average around $355.

How far in advance should I book a flight to Region of 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 $445 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 $289 on momondo.

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

You could potentially save up to 18% 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

Fastest flight time	6h 15m
Direct flights	None

The fastest flight from Portland to Region of Ontario takes 6h 15m

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

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 March 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
United Airlines	PriceFrom $148	Free Cancellation	Rating 7.4 9,389 reviews	Search United Airlines flights
Air Canada	PriceFrom $148	Free Cancellation	Rating 7.1 10,776 reviews	Search Air Canada flights
Delta	PriceFrom $151	Free Cancellation	Rating 7.9 8,248 reviews	Search Delta flights
WestJet	PriceFrom $173	Free Cancellation	Rating 7.2 3,281 reviews	Search WestJet flights
American Airlines	PriceFrom $343	Free Cancellation	Rating 7.1 11,381 reviews	Search American Airlines flights
Alaska Airlines	PriceFrom $344	Free Cancellation	Rating 8.0 11,983 reviews	Search Alaska 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.