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Cheap flights from Ontario to Portland from $172

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Portland departing on 9/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Ontario to Portland

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
9:00 pm - 9:34 am
YYZ
-
PDX
15h 34m
1 stop
United Airlines Logo
10:40 pm - 9:54 am
PDX
-
YYZ
8h 14m
1 stop
$287United Airlines
Wed, Jul 15 - Fri, Jul 17
Delta Logo
12:25 pm - 8:15 pm
YYZ
-
PDX
10h 50m
1 stop
Delta Logo
11:15 pm - 1:34 pm
PDX
-
YYZ
11h 19m
1 stop
$292Delta
Tue, Jul 28 - Thu, Jul 30
WestJet Logo
7:00 am - 1:50 pm
YYZ
-
PDX
9h 50m
1 stop
WestJet Logo
2:30 pm - 1:05 am
PDX
-
YYZ
7h 35m
1 stop
$294WestJet
Thu, Aug 27 - Mon, Aug 31
WestJet Logo
6:10 am - 1:50 pm
YYZ
-
PDX
10h 40m
2 stops
WestJet Logo
2:30 pm - 5:10 am
PDX
-
YYZ
11h 40m
2 stops
$301WestJet
Fri, Sep 11 - Mon, Sep 14
American Airlines Logo
1:17 pm - 9:50 pm
YYZ
-
PDX
11h 33m
1 stop
American Airlines Logo
11:15 pm - 5:35 pm
PDX
-
YYZ
15h 20m
1 stop
$303American Airlines
Thu, Jul 9 - Thu, Jul 16
WestJet Logo
6:10 am - 1:50 pm
YYZ
-
PDX
10h 40m
2 stops
WestJet Logo
2:30 pm - 5:10 am
PDX
-
YYZ
11h 40m
2 stops
$305WestJet
Fri, Aug 21 - Wed, Aug 26
Delta Logo
2:24 pm - 10:09 pm
YYZ
-
PDX
10h 45m
1 stop
Delta Logo
6:00 am - 6:34 pm
PDX
-
YYZ
9h 34m
1 stop
$307Delta
Thu, Aug 6 - Mon, Aug 17
Air Canada Logo
12:15 pm - 6:53 pm
YTZ
-
PDX
9h 38m
1 stop
Air Canada Logo
11:02 pm - 10:06 am
PDX
-
YTZ
8h 04m
1 stop
$322Air Canada
Tue, Aug 25 - Tue, Sep 1
Air Canada Logo
12:15 pm - 6:53 pm
YTZ
-
PDX
9h 38m
1 stop
Air Canada Logo
11:02 pm - 10:06 am
PDX
-
YTZ
8h 04m
1 stop
$323Air Canada
Tue, Aug 18 - Mon, Aug 24
American Airlines Logo
5:30 pm - 12:05 am
YUL
-
PDX
9h 35m
1 stop
American Airlines Logo
10:30 pm - 3:29 pm
PDX
-
YUL
13h 59m
1 stop
$332American Airlines
Wed, Jul 22 - Tue, Aug 4

United Airlines flights from Region of Ontario to Portland

Our best United Airlines deals on Region of Ontario to Portland flight tickets
United Airlines
Jul 15
YYZ9:00 pmToronto Pearson Intl
15h 34m
1 stop
PDX9:34 amPortland
Jul 17
PDX10:40 pmPortland
8h 14m
1 stop
YYZ9:54 amToronto Pearson Intl
$287
United Airlines
Jul 15
YYZ9:00 pmToronto Pearson Intl
15h 34m
1 stop
PDX9:34 amPortland
Jul 17
PDX10:40 pmPortland
8h 14m
1 stop
YYZ9:54 amToronto Pearson Intl
$320
United Airlines
Jul 27
YYZ9:00 pmToronto Pearson Intl
15h 34m
1 stop
PDX9:34 amPortland
Aug 3
PDX10:40 pmPortland
14h 06m
1 stop
YYZ3:46 pmToronto Pearson Intl
$322

Air Canada flights from Region of Ontario to Portland

Our best Air Canada deals on Region of Ontario to Portland flight tickets
Air Canada
Aug 25
YTZ12:15 pmToronto Island
9h 38m
1 stop
PDX6:53 pmPortland
Sep 1
PDX11:02 pmPortland
8h 04m
1 stop
YTZ10:06 amToronto Island
$322
Air Canada
Aug 18
YTZ12:15 pmToronto Island
9h 38m
1 stop
PDX6:53 pmPortland
Aug 24
PDX11:02 pmPortland
8h 04m
1 stop
YTZ10:06 amToronto Island
$323
Air Canada
Jul 27
YYZ9:40 pmToronto Pearson Intl
14h 51m
1 stop
PDX9:31 amPortland
Aug 5
PDX3:30 pmPortland
11h 14m
2 stops
YYZ5:44 amToronto Pearson Intl
$348

momondo Fare Finder

 
Customize your flight search to find flights from Region of Ontario to Portland that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated May 30, 2026.
Use the filters below to find and compare flights from Ontario to Portland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TorontoPortland

YYZ - PDX

YYZPDX

Toronto Pearson Intl

Wed 7/15

9:00 pm-9:34 am

1 stop15h 34m

Portland

Fri 7/17

10:40 pm-9:54 am

1 stop8h 14m

$287

TorontoPortland

YYZ - PDX

YYZPDX

Toronto Pearson Intl

Tue 7/28

12:25 pm-8:15 pm

1 stop10h 50m

Portland

Thu 7/30

11:15 pm-1:34 pm

1 stop11h 19m

$292
Quickest round-trip

TorontoPortland

YYZ - PDX

YYZPDX

Toronto Pearson Intl

Thu 8/27

7:00 am-1:50 pm

1 stop9h 50m

Portland

Mon 8/31

2:30 pm-1:05 am

1 stop7h 35m

$294

TorontoPortland

YYZ - PDX

YYZPDX

Toronto Pearson Intl

Fri 9/11

6:10 am-1:50 pm

2 stops10h 40m

Portland

Mon 9/14

2:30 pm-5:10 am

2 stops11h 40m

$301

TorontoPortland

YYZ - PDX

YYZPDX

Toronto Pearson Intl

Thu 7/9

1:17 pm-9:50 pm

1 stop11h 33m

Portland

Thu 7/16

11:15 pm-5:35 pm

1 stop15h 20m

$303

TorontoPortland

YYZ - PDX

YYZPDX

Toronto Pearson Intl

Fri 8/21

6:10 am-1:50 pm

2 stops10h 40m

Portland

Wed 8/26

2:30 pm-5:10 am

2 stops11h 40m

$305

TorontoPortland

YYZ - PDX

YYZPDX

Toronto Pearson Intl

Thu 8/6

2:24 pm-10:09 pm

1 stop10h 45m

Portland

Mon 8/17

6:00 am-6:34 pm

1 stop9h 34m

$307

TorontoPortland

YTZ - PDX

YTZPDX

Toronto Island

Tue 8/25

12:15 pm-6:53 pm

1 stop9h 38m

Portland

Tue 9/1

11:02 pm-10:06 am

1 stop8h 04m

$322

TorontoPortland

YTZ - PDX

YTZPDX

Toronto Island

Tue 8/18

12:15 pm-6:53 pm

1 stop9h 38m

Portland

Mon 8/24

11:02 pm-10:06 am

1 stop8h 04m

$323

MontrealPortland

YUL - PDX

YULPDX

Montreal Pierre Elliott Trudeau Intl

Wed 7/22

5:30 pm-12:05 am

1 stop9h 35m

Portland

Tue 8/4

10:30 pm-3:29 pm

1 stop13h 59m

$332

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Portland from

How to get the cheapest flight ticket from Region of Ontario to Portland

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

What is the cheapest month to fly to Portland?

The cheapest month to fly to Portland from Region of Ontario is in September. Flight prices, which tend to average around $85, are often lower during this time because this is during the off-season. If you don’t want to visit Portland in September, then you should wait until October to fly from Region of Ontario, when ticket prices are also cheap, with an average price of $99.

How far in advance should I book a flight from Ontario to Portland?

You are more likely to see cheaper flights to Portland from Region of Ontario when booking weeks ahead of your departure date. In general, you can expect to find flights to Portland for around $378 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Portland from Region of Ontario for as low as $252 on momondo.

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

You could potentially save up to 35% on your flight if you consider stops on a Region of Ontario to Portland flight.

Cheap Region of Ontario to Portland flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Region of Ontario to Portland

Fastest flight time

7h 28m

Direct flights

None
The fastest flight from Region of Ontario to Portland takes 7h 28m
There are no direct flights from Region of Ontario to Portland. There are no popular flight routes from Region of Ontario to Portland.
Search flight deals

Frequently asked questions about flying from Ontario to Portland

  • When did momondo last update prices for flights from Ontario to Portland Airport?

    Prices for flights from Ontario to Portland Airport were last updated today.

  • How many operators does momondo search for flights from Ontario to Portland Airport?

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

    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 Ontario to Portland Airport.

  • What documentation or ID do you need to fly to Portland Airport?

    The travel and health documents you'll need for your trip to Portland Airport 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 Portland Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Region of Ontario to Portland

Compare and see reviews for airlines that fly from Region of Ontario to Portland with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom $103Free CancellationRating
7.1
11,105 reviews
Search Air Canada flights
DeltaPriceFrom $170Free CancellationRating
7.9
8,417 reviews
Search Delta flights
United AirlinesPriceFrom $180Free CancellationRating
7.4
9,766 reviews
Search United Airlines flights

Traveling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
Lincoln City
Seaside
Cannon Beach
Vancouver
Salem
Astoria
Long Beach
Rockaway Beach
Beaverton
Depoe Bay
Hillsboro
Tigard
Hood River
Longview
Troutdale
Newberg
The Dalles
McMinnville
Gresham
Clackamas

Why use momondo?

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

It is quick and easy to find Ontario to Portland flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Portland that suits you.

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

Yes. momondo allows you to filter the results for Ontario to Portland flights to just show those with flexible booking policies.

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

momondo helps you find the best flight between Ontario and Portland by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

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

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