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Cheap flights from Ontario to Portland from $138

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 1/8. 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.
Multiple Airlines Logo
1:30 pm - 10:33 am
YYZ
-
PDX
24h 03m2 stops
Multiple Airlines Logo
6:19 pm - 7:55 pm
PDX
-
YYZ
22h 36m1 stop
$243Multiple Airlines
Wed, Jan 14 - Mon, Jan 19
Multiple Airlines Logo
7:55 pm - 4:31 pm
YYZ
-
PDX
23h 36m1 stop
Multiple Airlines Logo
6:34 pm - 7:55 pm
PDX
-
YYZ
22h 21m1 stop
$267Multiple Airlines
Fri, Jan 9 - Mon, Jan 12
Multiple Airlines Logo
7:55 pm - 11:18 am
YYZ
-
PDX
18h 23m1 stop
Multiple Airlines Logo
11:09 am - 7:36 pm
PDX
-
YYZ
29h 27m2 stops
$270Multiple Airlines
Sun, Jan 25 - Sun, Feb 1
United Airlines Logo
3:45 pm - 12:38 pm
YYZ
-
PDX
23h 53m2 stops
United Airlines Logo
3:50 pm - 7:30 am
PDX
-
YYZ
12h 40m1 stop
$282United Airlines
Tue, Mar 3 - Wed, Mar 4
United Airlines Logo
9:00 pm - 11:55 am
YYZ
-
PDX
17h 55m1 stop
United Airlines Logo
3:50 pm - 7:30 am
PDX
-
YYZ
12h 40m1 stop
$283United Airlines
Tue, Mar 3 - Wed, Mar 4
Air Canada Logo
8:00 am - 2:40 pm
YYZ
-
PDX
9h 40m1 stop
Air Canada Logo
3:15 pm - 5:38 am
PDX
-
YYZ
11h 23m2 stops
$287Air Canada
Tue, Mar 10 - Sat, Mar 14
Air Canada Logo
7:30 am - 2:40 pm
YUL
-
PDX
10h 10m1 stop
Air Canada Logo
9:50 am - 8:55 pm
PDX
-
YUL
8h 05m1 stop
$315Air Canada
Thu, Jan 22 - Thu, Jan 29
American Airlines Logo
7:00 am - 8:24 pm
YUL
-
PDX
16h 24m1 stop
American Airlines Logo
10:15 pm - 3:20 pm
PDX
-
YUL
14h 05m2 stops
$341American Airlines
Thu, Jan 15 - Thu, Jan 22
Delta Logo
12:50 pm - 10:15 pm
YUL
-
PDX
12h 25m1 stop
Delta Logo
9:45 pm - 11:45 am
PDX
-
YUL
11h 00m1 stop
$361Delta
Sun, Jan 25 - Sun, Feb 1
Delta Logo
12:30 pm - 10:08 pm
YUL
-
PDX
12h 38m1 stop
Delta Logo
12:40 am - 1:40 pm
PDX
-
YUL
10h 00m1 stop
$390Delta
Mon, Feb 23 - Sun, Mar 1

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 10
YYZ8:00 amToronto Pearson Intl
9h 40m
1 stop
PDX2:40 pmPortland
Mar 14
PDX3:15 pmPortland
11h 23m
2 stops
YYZ5:38 amToronto Pearson Intl
$287
Find similar
Air Canada
Jun 4
YYZ8:00 amToronto Pearson Intl
9h 45m
1 stop
PDX2:45 pmPortland
Jun 6
PDX3:25 pmPortland
7h 13m
1 stop
YYZ1:38 amToronto Pearson Intl
$298
Find similar
Air Canada
Jan 7
YYZ9:50 pmToronto Pearson Intl
14h 25m
2 stops
PDX9:15 amPortland
Jan 14
PDX9:50 amPortland
9h 51m
2 stops
YYZ10:41 pmToronto Pearson Intl
$306
Find similar

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 3
YYZ3:45 pmToronto Pearson Intl
23h 53m
2 stops
PDX12:38 pmPortland
Mar 4
PDX3:50 pmPortland
12h 40m
1 stop
YYZ7:30 amToronto Pearson Intl
$282
Find similar
United Airlines
Mar 3
YYZ9:00 pmToronto Pearson Intl
17h 55m
1 stop
PDX11:55 amPortland
Mar 4
PDX3:50 pmPortland
12h 40m
1 stop
YYZ7:30 amToronto Pearson Intl
$283
Find similar
United Airlines
Jan 7
YYZ12:45 pmToronto Pearson Intl
12h 04m
1 stop
PDX9:49 pmPortland
Jan 14
PDX5:00 amPortland
7h 02m
1 stop
YYZ3:02 pmToronto Pearson Intl
$284
Find similar

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 December 11, 2025.
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

Wed 1/14

1:30 pm-10:33 am

2 stops24h 03m

Portland

Mon 1/19

6:19 pm-7:55 pm

1 stop22h 36m

$243

TorontoPortland

YYZ - PDX

YYZPDX

Toronto Pearson Intl

Fri 1/9

7:55 pm-4:31 pm

1 stop23h 36m

Portland

Mon 1/12

6:34 pm-7:55 pm

1 stop22h 21m

$267

TorontoPortland

YYZ - PDX

YYZPDX

Toronto Pearson Intl

Sun 1/25

7:55 pm-11:18 am

1 stop18h 23m

Portland

Sun 2/1

11:09 am-7:36 pm

2 stops29h 27m

$270

TorontoPortland

YYZ - PDX

YYZPDX

Toronto Pearson Intl

Tue 3/3

3:45 pm-12:38 pm

2 stops23h 53m

Portland

Wed 3/4

3:50 pm-7:30 am

1 stop12h 40m

$282

TorontoPortland

YYZ - PDX

YYZPDX

Toronto Pearson Intl

Tue 3/3

9:00 pm-11:55 am

1 stop17h 55m

Portland

Wed 3/4

3:50 pm-7:30 am

1 stop12h 40m

$283

TorontoPortland

YYZ - PDX

YYZPDX

Toronto Pearson Intl

Tue 3/10

8:00 am-2:40 pm

1 stop9h 40m

Portland

Sat 3/14

3:15 pm-5:38 am

2 stops11h 23m

$287

MontrealPortland

YUL - PDX

YULPDX

Montreal Pierre Elliott Trudeau Intl

Thu 1/22

7:30 am-2:40 pm

1 stop10h 10m

Portland

Thu 1/29

9:50 am-8:55 pm

1 stop8h 05m

$315

MontrealPortland

YUL - PDX

YULPDX

Montreal Pierre Elliott Trudeau Intl

Thu 1/15

7:00 am-8:24 pm

1 stop16h 24m

Portland

Thu 1/22

10:15 pm-3:20 pm

2 stops14h 05m

$341

MontrealPortland

YUL - PDX

YULPDX

Montreal Pierre Elliott Trudeau Intl

Sun 1/25

12:50 pm-10:15 pm

1 stop12h 25m

Portland

Sun 2/1

9:45 pm-11:45 am

1 stop11h 00m

$361

MontrealPortland

YUL - PDX

YULPDX

Montreal Pierre Elliott Trudeau Intl

Mon 2/23

12:30 pm-10:08 pm

1 stop12h 38m

Portland

Sun 3/1

12:40 am-1:40 pm

1 stop10h 00m

$390

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 July. Flight prices, which tend to average around $297, are often lower during this time because this is during the off-season. If you don’t want to visit Portland in July, then you should wait until August to fly from Region of Ontario, when ticket prices are also cheap, with an average price of $308.

What is the cheapest time of day to depart on your flight to Portland?

The cheapest time of day to fly to Portland is in the evening when flights can be purchased for as low as $134. At noon is when there is more demand to fly to Portland, so prices are often more expensive at around $467 per ticket.

What is the cheapest Ontario to Portland flight route?

Fly from Toronto Pearson Intl to Portland for the best Ontario - Portland flight prices

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 $384 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 $303 on momondo.

What cabin class options are available on Ontario to Portland flights?

There are 2 cabin classes available to choose from on Ontario to Portland flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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

7h 51m

Direct flights

None
The fastest flight from Region of Ontario to Portland takes 7h 51m
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 $150Free CancellationRating
7.1
10,516 reviews
Search Air Canada flights
DeltaPriceFrom $170Free CancellationRating
7.9
8,007 reviews
Search Delta flights
American AirlinesPriceFrom $282Free CancellationRating
7.2
11,050 reviews
Search American Airlines flights
United AirlinesPriceFrom $284Free CancellationRating
7.4
9,095 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $286Free CancellationRating
8.0
11,432 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
Depoe Bay
Rockaway Beach
Beaverton
Hillsboro
Hood River
McMinnville
Gresham
Longview
Tigard
The Dalles
Pacific City
Manzanita
Tillamook

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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