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 are refreshed on a daily basis.

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$ 185 Cheap Flights from Portland to Ontario in 2026

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.

3:30 p.m. - 6:44 a.m.

PDX

YYZ

12h 14m

2 stops

7:45 a.m. - 2:51 p.m.

YYZ

PDX

10h 06m

2 stops

C$ 412Air Canada

Sat, 22 Aug - Sat, 29 Aug

2:30 p.m. - 1:05 a.m.

PDX

YYZ

7h 35m

1 stop

10:25 p.m. - 9:31 a.m.

YYZ

PDX

14h 06m

1 stop

C$ 432Multiple Airlines

Sat, 5 Sep - Sat, 12 Sep

2:30 p.m. - 5:10 a.m.

PDX

YYZ

11h 40m

2 stops

10:25 p.m. - 9:31 a.m.

YYZ

PDX

14h 06m

1 stop

C$ 442Multiple Airlines

Sat, 5 Sep - Sat, 12 Sep

3:30 p.m. - 5:44 a.m.

PDX

YYZ

11h 14m

2 stops

11:05 p.m. - 9:31 a.m.

YYZ

PDX

13h 26m

2 stops

C$ 457Air Canada

Tue, 1 Sep - Tue, 8 Sep

11:34 p.m. - 11:43 a.m.

PDX

YUL

9h 09m

1 stop

12:29 p.m. - 11:58 p.m.

YUL

PDX

14h 29m

1 stop

C$ 510American Airlines

Fri, 21 Aug - Sat, 29 Aug

7:25 a.m. - 9:42 p.m.

PDX

YUL

11h 17m

1 stop

4:15 p.m. - 11:28 p.m.

YUL

PDX

10h 13m

1 stop

C$ 512American Airlines

Sun, 13 Sep - Tue, 15 Sep

2:30 p.m. - 5:35 a.m.

PDX

YOW

12h 05m

1 stop

7:20 a.m. - 1:50 p.m.

YOW

PDX

9h 30m

1 stop

C$ 608WestJet

Wed, 30 Sep - Wed, 7 Oct

11:02 p.m. - 10:18 a.m.

PDX

YTZ

8h 16m

1 stop

12:15 p.m. - 6:53 p.m.

YTZ

PDX

9h 38m

1 stop

C$ 610United Airlines

Sat, 22 Aug - Sat, 29 Aug

11:02 p.m. - 10:07 a.m.

PDX

YTZ

8h 05m

1 stop

12:15 p.m. - 7:18 p.m.

YTZ

PDX

10h 03m

1 stop

C$ 611United Airlines

Sat, 5 Sep - Sat, 12 Sep

2:30 p.m. - 3:20 p.m.

PDX

YOW

21h 50m

1 stop

6:55 a.m. - 1:50 p.m.

YOW

PDX

9h 55m

2 stops

C$ 660WestJet

Wed, 30 Sep - Wed, 7 Oct

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Early arrival? Instantly customize your results

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Delta flights from Portland to Region of Ontario

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

Delta

25 Aug

PDX5:45 a.m.Portland

7h 55m

1 stop

YYZ4:40 p.m.Toronto Pearson Intl

2 Sep

YYZ11:40 a.m.Toronto Pearson Intl

13h 04m

1 stop

PDX9:44 p.m.Portland

C$ 481

Delta

25 Aug

PDX6:00 a.m.Portland

9h 34m

1 stop

YYZ6:34 p.m.Toronto Pearson Intl

3 Sep

YYZ12:25 p.m.Toronto Pearson Intl

10h 52m

1 stop

PDX8:17 p.m.Portland

C$ 484

Delta

23 Aug

PDX5:45 a.m.Portland

7h 55m

1 stop

YYZ4:40 p.m.Toronto Pearson Intl

4 Sep

YYZ6:14 p.m.Toronto Pearson Intl

6h 55m

1 stop

PDX10:09 p.m.Portland

C$ 486

American Airlines flights from Portland to Region of Ontario

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

American Airlines

28 Aug

PDX11:34 p.m.Portland

11h 59m

1 stop

YYZ2:33 p.m.Toronto Pearson Intl

29 Aug

YYZ6:08 p.m.Toronto Pearson Intl

20h 42m

1 stop

PDX11:50 a.m.Portland

C$ 492

American Airlines

25 Aug

PDX11:34 p.m.Portland

10h 52m

2 stops

YYZ1:26 p.m.Toronto Pearson Intl

27 Aug

YYZ11:39 a.m.Toronto Pearson Intl

15h 20m

1 stop

PDX11:59 p.m.Portland

C$ 498

American Airlines

28 Aug

PDX11:34 p.m.Portland

10h 52m

2 stops

YYZ1:26 p.m.Toronto Pearson Intl

31 Aug

YYZ6:00 a.m.Toronto Pearson Intl

8h 50m

1 stop

PDX11:50 a.m.Portland

C$ 500

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

Sat 22/8

3:30 p.m.-6:44 a.m.

2 stops12h 14m

Toronto Pearson Intl

Sat 29/8

7:45 a.m.-2:51 p.m.

2 stops10h 06m

C$ 412

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

Sat 5/9

2:30 p.m.-1:05 a.m.

1 stop7h 35m

Toronto Pearson Intl

Sat 12/9

10:25 p.m.-9:31 a.m.

1 stop14h 06m

C$ 432

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

Sat 5/9

2:30 p.m.-5:10 a.m.

2 stops11h 40m

Toronto Pearson Intl

Sat 12/9

10:25 p.m.-9:31 a.m.

1 stop14h 06m

C$ 442

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

Tue 1/9

3:30 p.m.-5:44 a.m.

2 stops11h 14m

Toronto Pearson Intl

Tue 8/9

11:05 p.m.-9:31 a.m.

2 stops13h 26m

C$ 457

PortlandMontreal

PDX - YUL

PDXYUL

Portland

Fri 21/8

11:34 p.m.-11:43 a.m.

1 stop9h 09m

Montreal Pierre Elliott Trudeau Intl

Sat 29/8

12:29 p.m.-11:58 p.m.

1 stop14h 29m

C$ 510

PortlandMontreal

PDX - YUL

PDXYUL

Portland

Sun 13/9

7:25 a.m.-9:42 p.m.

1 stop11h 17m

Montreal Pierre Elliott Trudeau Intl

Tue 15/9

4:15 p.m.-11:28 p.m.

1 stop10h 13m

C$ 512

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Wed 30/9

2:30 p.m.-5:35 a.m.

1 stop12h 05m

Ottawa

Wed 7/10

7:20 a.m.-1:50 p.m.

1 stop9h 30m

C$ 608

Quickest round-trip

PortlandToronto

PDX - YTZ

PDXYTZ

Portland

Sat 22/8

11:02 p.m.-10:18 a.m.

1 stop8h 16m

Toronto Island

Sat 29/8

12:15 p.m.-6:53 p.m.

1 stop9h 38m

C$ 610

PortlandToronto

PDX - YTZ

PDXYTZ

Portland

Sat 5/9

11:02 p.m.-10:07 a.m.

1 stop8h 05m

Toronto Island

Sat 12/9

12:15 p.m.-7:18 p.m.

1 stop10h 03m

C$ 611

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Wed 30/9

2:30 p.m.-3:20 p.m.

1 stop21h 50m

Ottawa

Wed 7/10

6:55 a.m.-1:50 p.m.

2 stops9h 55m

C$ 660

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, January 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$ 517. If you are unable to visit Region of Ontario during the month of January, then departing from Portland during the month August is also very affordable. Most momondo users find prices during this month for around C$ 538.

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 C$ 623 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$ 158 on momondo.

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

You could potentially save up to 6% 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 32m
Direct flights	Sat
Airports in Region of Ontario	125 airports

The fastest flight from Portland to Region of Ontario takes 6h 32m

Direct flights go from Portland to Region of Ontario on Saturday. 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 are refreshed on a daily basis.
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.

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.