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Cheap flights from Ontario to Portland from $136

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 5/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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
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
$222WestJet
Sat, May 23 - Tue, May 26
WestJet Logo
9:00 am - 1:50 pm
YYZ
-
PDX
7h 50m
1 stop
WestJet Logo
2:30 pm - 5:10 am
PDX
-
YYZ
11h 40m
2 stops
$224WestJet
Sat, May 23 - Tue, May 26
Air Canada Logo
8:55 am - 2:40 pm
YYZ
-
PDX
8h 45m
1 stop
Air Canada Logo
3:15 pm - 7:03 am
PDX
-
YYZ
12h 48m
2 stops
$239Air Canada
Thu, Mar 19 - Wed, Mar 25
Air Canada Logo
8:00 am - 2:40 pm
YYZ
-
PDX
9h 40m
1 stop
Air Canada Logo
7:05 pm - 6:47 am
PDX
-
YYZ
8h 42m
1 stop
$240Air Canada
Thu, Mar 19 - Wed, Mar 25
United Airlines Logo
3:25 pm - 9:59 pm
YUL
-
PDX
9h 34m
1 stop
United Airlines Logo
8:05 am - 7:45 pm
PDX
-
YUL
8h 40m
1 stop
$307United Airlines
Wed, Apr 8 - Sat, Apr 11
United Airlines Logo
6:10 am - 11:46 am
YUL
-
PDX
8h 36m
1 stop
United Airlines Logo
12:50 pm - 10:40 am
PDX
-
YUL
18h 50m
2 stops
$311United Airlines
Tue, Apr 14 - Sat, Apr 18
Delta Logo
4:45 pm - 11:59 pm
YUL
-
PDX
10h 14m
2 stops
Delta Logo
7:32 pm - 11:59 am
PDX
-
YUL
13h 27m
2 stops
$312Delta
Fri, Apr 10 - Fri, Apr 17
Delta Logo
12:50 pm - 9:53 pm
YUL
-
PDX
12h 03m
1 stop
Delta Logo
6:05 am - 11:13 pm
PDX
-
YUL
14h 08m
2 stops
$321Delta
Sat, Mar 14 - Tue, Mar 24
Multiple Airlines Logo
6:10 pm - 1:50 pm
YHM
-
PDX
22h 40m
1 stop
Multiple Airlines Logo
9:46 pm - 7:35 pm
PDX
-
YHM
18h 49m
1 stop
$447Multiple Airlines
Fri, Jun 5 - Mon, Jun 8
Multiple Airlines Logo
6:10 am - 1:50 pm
YXU
-
PDX
10h 40m
1 stop
Multiple Airlines Logo
3:12 pm - 5:20 am
PDX
-
YXU
35h 08m
2 stops
$450Multiple Airlines
Sat, May 30 - Mon, Jun 15

Air Canada flights from Region of Ontario to Portland

Our best Air Canada deals on Region of Ontario to Portland flight tickets
Air Canada
Mar 19
YYZ8:55 amToronto Pearson Intl
8h 45m
1 stop
PDX2:40 pmPortland
Mar 25
PDX3:15 pmPortland
12h 48m
2 stops
YYZ7:03 amToronto Pearson Intl
$239
Air Canada
Mar 19
YYZ8:00 amToronto Pearson Intl
9h 40m
1 stop
PDX2:40 pmPortland
Mar 25
PDX7:05 pmPortland
8h 42m
1 stop
YYZ6:47 amToronto Pearson Intl
$240
Air Canada
Mar 19
YYZ8:00 amToronto Pearson Intl
9h 40m
2 stops
PDX2:40 pmPortland
Mar 25
PDX3:15 pmPortland
11h 23m
2 stops
YYZ5:38 amToronto Pearson Intl
$241

United Airlines flights from Region of Ontario to Portland

Our best United Airlines deals on Region of Ontario to Portland flight tickets
United Airlines
Mar 24
YYZ6:45 amToronto Pearson Intl
8h 06m
1 stop
PDX11:51 amPortland
Mar 31
PDX11:15 pmPortland
9h 28m
1 stop
YYZ11:43 amToronto Pearson Intl
$274
United Airlines
Mar 10
YYZ4:10 pmToronto Pearson Intl
8h 00m
1 stop
PDX9:10 pmPortland
Mar 10
PDX11:10 pmPortland
16h 47m
1 stop
YYZ6:57 pmToronto Pearson Intl
$275
United Airlines
May 24
YYZ7:00 amToronto Pearson Intl
7h 38m
1 stop
PDX11:38 amPortland
May 29
PDX11:48 pmPortland
7h 06m
1 stop
YYZ9:54 amToronto Pearson Intl
$280

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 February 26, 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

TorontoPortland

YYZ - PDX

YYZPDX

Toronto Pearson Intl

Sat 5/23

6:10 am-1:50 pm

2 stops10h 40m

Portland

Tue 5/26

2:30 pm-5:10 am

2 stops11h 40m

$222

TorontoPortland

YYZ - PDX

YYZPDX

Toronto Pearson Intl

Sat 5/23

9:00 am-1:50 pm

1 stop7h 50m

Portland

Tue 5/26

2:30 pm-5:10 am

2 stops11h 40m

$224

TorontoPortland

YYZ - PDX

YYZPDX

Toronto Pearson Intl

Thu 3/19

8:55 am-2:40 pm

1 stop8h 45m

Portland

Wed 3/25

3:15 pm-7:03 am

2 stops12h 48m

$239

TorontoPortland

YYZ - PDX

YYZPDX

Toronto Pearson Intl

Thu 3/19

8:00 am-2:40 pm

1 stop9h 40m

Portland

Wed 3/25

7:05 pm-6:47 am

1 stop8h 42m

$240

MontrealPortland

YUL - PDX

YULPDX

Montreal Pierre Elliott Trudeau Intl

Wed 4/8

3:25 pm-9:59 pm

1 stop9h 34m

Portland

Sat 4/11

8:05 am-7:45 pm

1 stop8h 40m

$307

MontrealPortland

YUL - PDX

YULPDX

Montreal Pierre Elliott Trudeau Intl

Tue 4/14

6:10 am-11:46 am

1 stop8h 36m

Portland

Sat 4/18

12:50 pm-10:40 am

2 stops18h 50m

$311

MontrealPortland

YUL - PDX

YULPDX

Montreal Pierre Elliott Trudeau Intl

Fri 4/10

4:45 pm-11:59 pm

2 stops10h 14m

Portland

Fri 4/17

7:32 pm-11:59 am

2 stops13h 27m

$312

MontrealPortland

YUL - PDX

YULPDX

Montreal Pierre Elliott Trudeau Intl

Sat 3/14

12:50 pm-9:53 pm

1 stop12h 03m

Portland

Tue 3/24

6:05 am-11:13 pm

2 stops14h 08m

$321

HamiltonPortland

YHM - PDX

YHMPDX

Hamilton

Fri 6/5

6:10 pm-1:50 pm

1 stop22h 40m

Portland

Mon 6/8

9:46 pm-7:35 pm

1 stop18h 49m

$447

LondonPortland

YXU - PDX

YXUPDX

London

Sat 5/30

6:10 am-1:50 pm

1 stop10h 40m

Portland

Mon 6/15

3:12 pm-5:20 am

2 stops35h 08m

$450

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 $296, 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 $380 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 $277 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 06m

Direct flights

None
The fastest flight from Region of Ontario to Portland takes 8h 06m
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

  • 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.

  • What is the most popular plane model from Region of Ontario to Portland?

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
10,748 reviews
Search Air Canada flights
DeltaPriceFrom $170Free CancellationRating
7.9
8,238 reviews
Search Delta flights
United AirlinesPriceFrom $180Free CancellationRating
7.4
9,348 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $323Free CancellationRating
8.0
11,961 reviews
Search Alaska 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
Depoe Bay
Beaverton
Hillsboro
Hood River
Tigard
Longview
McMinnville
The Dalles
Pacific City
Gresham
Newberg
Manzanita

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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