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

Delta, United Airlines, and Air Canada 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$ 192 Cheap Flights from Portland to Ontario in 2026

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

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.

10:52 p.m. - 11:43 a.m.

PDX

YYZ

9h 51m

1 stop

2:30 p.m. - 9:24 p.m.

YYZ

PDX

9h 54m

1 stop

C$ 443United Airlines

Mon, 22 Jun - Tue, 23 Jun

6:15 a.m. - 6:34 p.m.

PDX

YYZ

9h 19m

1 stop

11:30 a.m. - 6:55 p.m.

YYZ

PDX

10h 25m

1 stop

C$ 478Delta

Sun, 23 Aug - Fri, 11 Sep

7:10 a.m. - 10:36 p.m.

PDX

YYZ

12h 26m

1 stop

7:30 a.m. - 10:53 p.m.

YYZ

PDX

18h 23m

2 stops

C$ 485United Airlines

Tue, 25 Aug - Wed, 9 Sep

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

PDX

YYZ

11h 40m

2 stops

8:00 a.m. - 1:50 p.m.

YYZ

PDX

8h 50m

1 stop

C$ 491WestJet

Thu, 13 Aug - Fri, 28 Aug

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

PDX

YYZ

11h 40m

2 stops

9:00 a.m. - 1:50 p.m.

YYZ

PDX

7h 50m

1 stop

C$ 492WestJet

Thu, 13 Aug - Thu, 27 Aug

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

PDX

YYZ

11h 40m

2 stops

9:00 a.m. - 1:50 p.m.

YYZ

PDX

7h 50m

1 stop

C$ 498WestJet

Wed, 9 Sep - Mon, 14 Sep

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

PDX

YYZ

7h 35m

1 stop

9:00 a.m. - 1:50 p.m.

YYZ

PDX

7h 50m

1 stop

C$ 500WestJet

Sat, 22 Aug - Thu, 27 Aug

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

PDX

YYZ

11h 40m

2 stops

9:00 a.m. - 1:50 p.m.

YYZ

PDX

7h 50m

1 stop

C$ 502WestJet

Thu, 13 Aug - Tue, 25 Aug

3:30 p.m. - 7:10 a.m.

PDX

YUL

12h 40m

2 stops

8:10 a.m. - 7:06 p.m.

YUL

PDX

13h 56m

2 stops

C$ 548Air Canada

Sat, 10 Oct - Fri, 16 Oct

10:10 a.m. - 8:51 p.m.

PDX

YUL

7h 41m

1 stop

8:00 a.m. - 2:51 p.m.

YUL

PDX

9h 51m

2 stops

C$ 556Air Canada

Sat, 10 Oct - Thu, 15 Oct

Delta flights from Portland to Region of Ontario

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

Delta

23 Aug

PDX11:20 p.m.Portland

11h 14m

1 stop

YYZ1:34 p.m.Toronto Pearson Intl

10 Sep

YYZ1:30 p.m.Toronto Pearson Intl

11h 41m

1 stop

PDX10:11 p.m.Portland

C$ 478

Delta

16 Jun

PDX6:00 a.m.Portland

9h 34m

1 stop

YYZ6:34 p.m.Toronto Pearson Intl

20 Jun

YYZ6:05 a.m.Toronto Pearson Intl

7h 36m

1 stop

PDX10:41 a.m.Portland

C$ 520

Delta

13 Aug

PDX11:20 p.m.Portland

11h 14m

1 stop

YYZ1:34 p.m.Toronto Pearson Intl

23 Aug

YYZ2:24 p.m.Toronto Pearson Intl

10h 45m

1 stop

PDX10:09 p.m.Portland

C$ 538

WestJet flights from Portland to Region of Ontario

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

WestJet

13 Aug

PDX2:30 p.m.Portland

11h 40m

2 stops

YYZ5:10 a.m.Toronto Pearson Intl

28 Aug

YYZ8:00 a.m.Toronto Pearson Intl

8h 50m

1 stop

PDX1:50 p.m.Portland

C$ 491

WestJet

13 Aug

PDX2:30 p.m.Portland

11h 40m

2 stops

YYZ5:10 a.m.Toronto Pearson Intl

27 Aug

YYZ9:00 a.m.Toronto Pearson Intl

7h 50m

1 stop

PDX1:50 p.m.Portland

C$ 492

WestJet

9 Sep

PDX2:30 p.m.Portland

11h 40m

2 stops

YYZ5:10 a.m.Toronto Pearson Intl

14 Sep

YYZ9:00 a.m.Toronto Pearson Intl

7h 50m

1 stop

PDX1:50 p.m.Portland

C$ 498

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

Mon 22/6

10:52 p.m.-11:43 a.m.

1 stop9h 51m

Toronto Pearson Intl

Tue 23/6

2:30 p.m.-9:24 p.m.

1 stop9h 54m

C$ 443

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

Sun 23/8

6:15 a.m.-6:34 p.m.

1 stop9h 19m

Toronto Pearson Intl

Fri 11/9

11:30 a.m.-6:55 p.m.

1 stop10h 25m

C$ 478

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

Tue 25/8

7:10 a.m.-10:36 p.m.

1 stop12h 26m

Toronto Pearson Intl

Wed 9/9

7:30 a.m.-10:53 p.m.

2 stops18h 23m

C$ 485

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

Thu 13/8

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

2 stops11h 40m

Toronto Pearson Intl

Fri 28/8

8:00 a.m.-1:50 p.m.

1 stop8h 50m

C$ 491

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

Thu 13/8

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

2 stops11h 40m

Toronto Pearson Intl

Thu 27/8

9:00 a.m.-1:50 p.m.

1 stop7h 50m

C$ 492

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

Wed 9/9

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

2 stops11h 40m

Toronto Pearson Intl

Mon 14/9

9:00 a.m.-1:50 p.m.

1 stop7h 50m

C$ 498

Quickest round-trip

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

Sat 22/8

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

1 stop7h 35m

Toronto Pearson Intl

Thu 27/8

9:00 a.m.-1:50 p.m.

1 stop7h 50m

C$ 500

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

Thu 13/8

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

2 stops11h 40m

Toronto Pearson Intl

Tue 25/8

9:00 a.m.-1:50 p.m.

1 stop7h 50m

C$ 502

PortlandMontreal

PDX - YUL

PDXYUL

Portland

Sat 10/10

3:30 p.m.-7:10 a.m.

2 stops12h 40m

Montreal Pierre Elliott Trudeau Intl

Fri 16/10

8:10 a.m.-7:06 p.m.

2 stops13h 56m

C$ 548

PortlandMontreal

PDX - YUL

PDXYUL

Portland

Sat 10/10

10:10 a.m.-8:51 p.m.

1 stop7h 41m

Montreal Pierre Elliott Trudeau Intl

Thu 15/10

8:00 a.m.-2:51 p.m.

2 stops9h 51m

C$ 556

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, October 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$ 143. If you are unable to visit Region of Ontario during the month of October, then departing from Portland during the month August is also very affordable. Most momondo users find prices during this month for around C$ 146.

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$ 609 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$ 157 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 39m
Direct flights	None

The fastest flight from Portland to Region of Ontario takes 6h 39m

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 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.