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

Air Canada, United Airlines, and Delta 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 are refreshed on a daily basis.

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 1 as of January 2026.

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

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to 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.

C$ 183 Cheap Flights from Portland to Ontario in 2026

1 adult

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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.

11:59 p.m. - 2:01 p.m.

PDX

YYZ

11h 02m

1 stop

4:10 p.m. - 11:00 p.m.

YYZ

PDX

9h 50m

1 stop

C$ 425United Airlines

Tue, 24 Mar - Wed, 25 Mar

6:00 a.m. - 3:35 p.m.

PDX

YYZ

6h 35m

1 stop

4:45 p.m. - 10:41 p.m.

YYZ

PDX

8h 56m

1 stop

C$ 437Alaska Airlines

Sat, 7 Mar - Fri, 13 Mar

7:05 p.m. - 6:19 a.m.

PDX

YYZ

8h 14m

1 stop

9:00 a.m. - 2:40 p.m.

YYZ

PDX

8h 40m

1 stop

C$ 439Air Canada

Mon, 2 Feb - Thu, 5 Feb

2:00 p.m. - 5:50 a.m.

PDX

YYZ

12h 50m

2 stops

8:00 a.m. - 1:20 p.m.

YYZ

PDX

8h 20m

1 stop

C$ 440WestJet

Wed, 8 Jul - Tue, 14 Jul

3:15 p.m. - 5:38 a.m.

PDX

YYZ

11h 23m

2 stops

8:00 a.m. - 2:40 p.m.

YYZ

PDX

9h 40m

1 stop

C$ 447Air Canada

Sat, 7 Mar - Sat, 4 Apr

9:50 a.m. - 9:37 p.m.

PDX

YYZ

8h 47m

1 stop

8:00 a.m. - 6:30 p.m.

YYZ

PDX

13h 30m

2 stops

C$ 450Air Canada

Thu, 12 Mar - Sat, 11 Apr

2:00 p.m. - 12:42 a.m.

PDX

YUL

7h 42m

1 stop

6:45 a.m. - 1:20 p.m.

YUL

PDX

33h 35m

2 stops

C$ 526WestJet

Sat, 23 May - Wed, 27 May

11:35 p.m. - 3:04 p.m.

PDX

YUL

12h 29m

1 stop

3:45 p.m. - 12:15 a.m.

YUL

PDX

11h 30m

1 stop

C$ 532American Airlines

Mon, 2 Mar - Mon, 9 Mar

10:39 a.m. - 3:58 p.m.

PDX

YTZ

26h 19m

2 stops

1:30 p.m. - 8:49 p.m.

YTZ

PDX

10h 19m

1 stop

C$ 557Multiple Airlines

Sat, 28 Feb - Sat, 7 Mar

10:39 a.m. - 10:35 a.m.

PDX

YTZ

20h 56m

1 stop

1:30 p.m. - 8:49 p.m.

YTZ

PDX

10h 19m

1 stop

C$ 558Multiple Airlines

Sat, 28 Feb - Sat, 7 Mar

United Airlines flights from Portland to Region of Ontario

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

United Airlines

24 Mar

PDX11:59 p.m.Portland

11h 02m

1 stop

YYZ2:01 p.m.Toronto Pearson Intl

25 Mar

YYZ4:10 p.m.Toronto Pearson Intl

9h 50m

1 stop

PDX11:00 p.m.Portland

C$ 425

United Airlines

19 Feb

PDX10:38 p.m.Portland

10h 10m

1 stop

YYZ11:48 a.m.Toronto Pearson Intl

23 Feb

YYZ2:57 p.m.Toronto Pearson Intl

8h 46m

1 stop

PDX8:43 p.m.Portland

C$ 460

United Airlines

19 Feb

PDX10:38 p.m.Portland

7h 58m

1 stop

YYZ9:36 a.m.Toronto Pearson Intl

23 Feb

YYZ3:45 p.m.Toronto Pearson Intl

23h 53m

2 stops

PDX12:38 p.m.Portland

C$ 466

Alaska Airlines flights from Portland to Region of Ontario

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

Alaska Airlines

7 Mar

PDX6:00 a.m.Portland

6h 35m

1 stop

YYZ3:35 p.m.Toronto Pearson Intl

13 Mar

YYZ4:45 p.m.Toronto Pearson Intl

8h 56m

1 stop

PDX10:41 p.m.Portland

C$ 437

Alaska Airlines

9 Feb

PDX5:35 p.m.Portland

19h 00m

1 stop

YYZ3:35 p.m.Toronto Pearson Intl

17 Feb

YYZ4:45 p.m.Toronto Pearson Intl

8h 56m

1 stop

PDX10:41 p.m.Portland

C$ 468

Alaska Airlines

11 Feb

PDX8:41 p.m.Portland

15h 54m

1 stop

YYZ3:35 p.m.Toronto Pearson Intl

17 Feb

YYZ4:45 p.m.Toronto Pearson Intl

8h 56m

1 stop

PDX10:41 p.m.Portland

C$ 478

Fly from

Fly to

Route

Depart

Return

Price

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

Tue 24/3

11:59 p.m.-2:01 p.m.

1 stop11h 02m

Toronto Pearson Intl

Wed 25/3

4:10 p.m.-11:00 p.m.

1 stop9h 50m

C$ 425

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

Sat 7/3

6:00 a.m.-3:35 p.m.

1 stop6h 35m

Toronto Pearson Intl

Fri 13/3

4:45 p.m.-10:41 p.m.

1 stop8h 56m

C$ 437

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

Mon 2/2

7:05 p.m.-6:19 a.m.

1 stop8h 14m

Toronto Pearson Intl

Thu 5/2

9:00 a.m.-2:40 p.m.

1 stop8h 40m

C$ 439

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

Wed 8/7

2:00 p.m.-5:50 a.m.

2 stops12h 50m

Toronto Pearson Intl

Tue 14/7

8:00 a.m.-1:20 p.m.

1 stop8h 20m

C$ 440

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

Sat 7/3

3:15 p.m.-5:38 a.m.

2 stops11h 23m

Toronto Pearson Intl

Sat 4/4

8:00 a.m.-2:40 p.m.

1 stop9h 40m

C$ 447

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

Thu 12/3

9:50 a.m.-9:37 p.m.

1 stop8h 47m

Toronto Pearson Intl

Sat 11/4

8:00 a.m.-6:30 p.m.

2 stops13h 30m

C$ 450

PortlandMontreal

PDX - YUL

PDXYUL

Portland

Sat 23/5

2:00 p.m.-12:42 a.m.

1 stop7h 42m

Montreal Pierre Elliott Trudeau Intl

Wed 27/5

6:45 a.m.-1:20 p.m.

2 stops33h 35m

C$ 526

PortlandMontreal

PDX - YUL

PDXYUL

Portland

Mon 2/3

11:35 p.m.-3:04 p.m.

1 stop12h 29m

Montreal Pierre Elliott Trudeau Intl

Mon 9/3

3:45 p.m.-12:15 a.m.

1 stop11h 30m

C$ 532

PortlandToronto

PDX - YTZ

PDXYTZ

Portland

Sat 28/2

10:39 a.m.-3:58 p.m.

2 stops26h 19m

Toronto Island

Sat 7/3

1:30 p.m.-8:49 p.m.

1 stop10h 19m

C$ 557

PortlandToronto

PDX - YTZ

PDXYTZ

Portland

Sat 28/2

10:39 a.m.-10:35 a.m.

1 stop20h 56m

Toronto Island

Sat 7/3

1:30 p.m.-8:49 p.m.

1 stop10h 19m

C$ 558

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?

In general, August is the cheapest month to fly from Portland to Region of Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 490. If you are unable to visit Region of Ontario during the month of August, then departing from Portland during the month October is also very affordable. Most momondo users find prices during this month for around C$ 497.

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 C$ 634 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 C$ 408 on momondo.

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

You could potentially save up to 29% 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 59m
Direct flights	None

The fastest flight from Portland to Region of Ontario takes 6h 59m

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 are refreshed on a daily basis.
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 1 as of January 2026.
How old do you have to be to fly from Portland Airport to Ontario?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to 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.
What is the most popular plane model from Portland to Region of Ontario?
Based on momondo bookings for flights between Portland and Region of Ontario, the leading plane model is Airbus A319, making up 66.67% of the total bookings. Other popular models include Boeing 757-200 (winglets) with 33.33%.

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 C$ 325	Free Cancellation	Rating 7.2 3,242 reviews		Search WestJet flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Portland to Ontario. momondo saves you time and could save you money on your trip.

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

Yes. All flights to Ontario from Portland on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once you have performed a search for Portland to Ontario flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

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