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Cheap flights from Ontario to Portland from $147

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 5/4. 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.
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
$249WestJet
Mon, May 4 - Sun, May 10
WestJet Logo
9:00 am - 1:50 pm
YYZ
-
PDX
7h 50m
1 stop
WestJet Logo
2:30 pm - 1:05 am
PDX
-
YYZ
7h 35m
1 stop
$253WestJet
Mon, May 4 - Sun, May 10
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
$254WestJet
Mon, May 4 - Sun, May 10
United Airlines Logo
11:00 am - 11:53 pm
YYZ
-
PDX
15h 53m
1 stop
United Airlines Logo
5:15 am - 4:14 pm
PDX
-
YYZ
7h 59m
1 stop
$287United Airlines
Thu, Jun 4 - Sun, Jun 7
United Airlines Logo
6:35 pm - 12:50 am
YUL
-
PDX
9h 15m
1 stop
United Airlines Logo
11:40 pm - 10:40 am
PDX
-
YUL
8h 00m
1 stop
$290United Airlines
Wed, Jul 22 - Tue, Aug 4
Multiple Airlines Logo
7:00 am - 1:50 pm
YYZ
-
PDX
9h 50m
1 stop
Multiple Airlines Logo
3:30 pm - 6:44 am
PDX
-
YYZ
12h 14m
2 stops
$290Multiple Airlines
Mon, May 4 - Sun, May 10
Delta Logo
6:11 pm - 9:56 pm
YYZ
-
PDX
6h 45m
1 stop
Delta Logo
6:00 am - 6:31 pm
PDX
-
YYZ
9h 31m
1 stop
$292Delta
Mon, May 4 - Sun, May 10
American Airlines Logo
12:39 pm - 11:23 pm
YYZ
-
PDX
13h 44m
1 stop
American Airlines Logo
10:59 pm - 10:59 am
PDX
-
YYZ
9h 00m
1 stop
$301American Airlines
Sat, May 23 - Sat, May 30
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
$306Delta
Fri, Jul 17 - Thu, Jul 23
Multiple Airlines Logo
7:55 pm - 1:50 pm
YHM
-
PDX
20h 55m
1 stop
Multiple Airlines Logo
7:25 pm - 10:34 pm
PDX
-
YHM
24h 09m
2 stops
$653Multiple Airlines
Sat, May 9 - Sat, May 16

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 22
YUL6:35 pmMontreal Pierre Elliott Trudeau Intl
9h 15m
1 stop
PDX12:50 amPortland
Aug 4
PDX11:40 pmPortland
8h 00m
1 stop
YUL10:40 amMontreal Pierre Elliott Trudeau Intl
$290
United Airlines
Apr 23
YYZ9:00 pmToronto Pearson Intl
16h 24m
2 stops
PDX10:24 amPortland
Apr 25
PDX4:15 pmPortland
14h 04m
2 stops
YYZ9:19 amToronto Pearson Intl
$292
United Airlines
May 2
YUL9:15 amMontreal Pierre Elliott Trudeau Intl
14h 27m
1 stop
PDX8:42 pmPortland
May 10
PDX7:05 pmPortland
18h 05m
2 stops
YUL4:10 pmMontreal Pierre Elliott Trudeau Intl
$305

Delta flights from Region of Ontario to Portland

Our best Delta deals on Region of Ontario to Portland flight tickets
Delta
Jul 17
YYZ11:40 amToronto Pearson Intl
12h 38m
1 stop
PDX9:18 pmPortland
Jul 24
PDX11:15 pmPortland
11h 19m
1 stop
YYZ1:34 pmToronto Pearson Intl
$306
Delta
Jun 30
YYZ11:38 amToronto Pearson Intl
13h 04m
1 stop
PDX9:42 pmPortland
Jul 7
PDX6:15 amPortland
9h 19m
1 stop
YYZ6:34 pmToronto Pearson Intl
$307
Delta
Apr 25
YYZ1:30 pmToronto Pearson Intl
11h 32m
1 stop
PDX10:02 pmPortland
Apr 28
PDX11:15 pmPortland
11h 09m
1 stop
YYZ1:24 pmToronto Pearson Intl
$309

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 April 13, 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

Mon 5/4

7:00 am-1:50 pm

1 stop9h 50m

Portland

Sun 5/10

2:30 pm-1:05 am

1 stop7h 35m

$249
Quickest round-trip

TorontoPortland

YYZ - PDX

YYZPDX

Toronto Pearson Intl

Mon 5/4

9:00 am-1:50 pm

1 stop7h 50m

Portland

Sun 5/10

2:30 pm-1:05 am

1 stop7h 35m

$253

TorontoPortland

YYZ - PDX

YYZPDX

Toronto Pearson Intl

Mon 5/4

7:00 am-1:50 pm

1 stop9h 50m

Portland

Sun 5/10

2:30 pm-1:05 am

1 stop7h 35m

$254

TorontoPortland

YYZ - PDX

YYZPDX

Toronto Pearson Intl

Thu 6/4

11:00 am-11:53 pm

1 stop15h 53m

Portland

Sun 6/7

5:15 am-4:14 pm

1 stop7h 59m

$287

MontrealPortland

YUL - PDX

YULPDX

Montreal Pierre Elliott Trudeau Intl

Wed 7/22

6:35 pm-12:50 am

1 stop9h 15m

Portland

Tue 8/4

11:40 pm-10:40 am

1 stop8h 00m

$290

TorontoPortland

YYZ - PDX

YYZPDX

Toronto Pearson Intl

Mon 5/4

7:00 am-1:50 pm

1 stop9h 50m

Portland

Sun 5/10

3:30 pm-6:44 am

2 stops12h 14m

$290

TorontoPortland

YYZ - PDX

YYZPDX

Toronto Pearson Intl

Mon 5/4

6:11 pm-9:56 pm

1 stop6h 45m

Portland

Sun 5/10

6:00 am-6:31 pm

1 stop9h 31m

$292

TorontoPortland

YYZ - PDX

YYZPDX

Toronto Pearson Intl

Sat 5/23

12:39 pm-11:23 pm

1 stop13h 44m

Portland

Sat 5/30

10:59 pm-10:59 am

1 stop9h 00m

$301

TorontoPortland

YYZ - PDX

YYZPDX

Toronto Pearson Intl

Fri 7/17

12:25 pm-8:15 pm

1 stop10h 50m

Portland

Thu 7/23

11:15 pm-1:34 pm

1 stop11h 19m

$306

HamiltonPortland

YHM - PDX

YHMPDX

Hamilton

Sat 5/9

7:55 pm-1:50 pm

1 stop20h 55m

Portland

Sat 5/16

7:25 pm-10:34 pm

2 stops24h 09m

$653

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 March. Flight prices, which tend to average around $294, are often lower during this time because this is during the off-season. If you don’t want to visit Portland in March, then you should wait until July to fly from Region of Ontario, when ticket prices are also cheap, with an average price of $297.

How far in advance should I book a flight 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 $381 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 $253 on momondo.

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

You could potentially save up to 72% 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

8h 27m

Direct flights

None
The fastest flight from Region of Ontario to Portland takes 8h 27m
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
10,917 reviews
Search Air Canada flights
DeltaPriceFrom $170Free CancellationRating
7.9
8,409 reviews
Search Delta flights
United AirlinesPriceFrom $180Free CancellationRating
7.4
9,579 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
Longview
Hood River
Newberg
Troutdale
McMinnville
Manzanita
The Dalles
Pacific City

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.

An easier way to manage your Portland trip

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