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Cheap flights from Ontario to Portland from $103

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 9/2. 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

WestJet Logo
6:00 am - 1:04 pmYHM-PDX
10h 04m1 stop
WestJet Logo
1:45 pm - 12:40 amPDX-YHM
7h 55m1 stop
$206WestJet
Find Deal
Sun, Aug 31 - Fri, Sep 5
WestJet Logo
6:00 am - 1:04 pmYKF-PDX
10h 04m1 stop
WestJet Logo
1:45 pm - 12:45 amPDX-YKF
8h 00m1 stop
$211WestJet
Find Deal
Sun, Aug 31 - Fri, Sep 5
Air Canada Logo
4:00 pm - 11:01 pmYYZ-PDX
10h 01m1 stop
Air Canada Logo
7:40 pm - 6:01 amPDX-YYZ
7h 21m1 stop
$266Air Canada
Find Deal
Sat, Sep 20 - Fri, Sep 26
Air Canada Logo
6:05 pm - 11:01 pmYYZ-PDX
7h 56m1 stop
Air Canada Logo
7:40 pm - 7:00 amPDX-YYZ
8h 20m1 stop
$271Air Canada
Find Deal
Sat, Sep 20 - Mon, Sep 22
United Airlines Logo
9:00 am - 8:03 pmYYZ-PDX
14h 03m2 stops
United Airlines Logo
5:15 pm - 7:00 amPDX-YYZ
10h 45m1 stop
$281United Airlines
Find Deal
Sat, Sep 20 - Fri, Sep 26
Logo
6:55 pm - 1:04 pmYHM-PDX
21h 09m1 stop
Logo
1:45 pm - 12:40 amPDX-YHM
7h 55m1 stop
$285
Find Deal
Sat, Sep 20 - Fri, Sep 26
Logo
6:00 am - 1:04 pmYKF-PDX
10h 04m1 stop
Logo
1:45 pm - 5:15 amPDX-YKF
12h 30m1 stop
$288
Find Deal
Sun, Sep 28 - Sun, Oct 5
American Airlines Logo
6:49 am - 6:54 pmYYZ-PDX
15h 05m1 stop
American Airlines Logo
9:56 pm - 2:59 pmPDX-YYZ
14h 03m1 stop
$293American Airlines
Find Deal
Mon, Sep 15 - Mon, Sep 29
United Airlines Logo
9:00 am - 5:22 pmYYZ-PDX
11h 22m2 stops
United Airlines Logo
5:00 am - 10:48 pmPDX-YYZ
14h 48m1 stop
$295United Airlines
Find Deal
Sat, Sep 6 - Mon, Sep 8
American Airlines Logo
4:15 pm - 10:04 pmYYZ-PDX
8h 49m1 stop
American Airlines Logo
11:12 pm - 10:16 amPDX-YYZ
8h 04m1 stop
$306American Airlines
Find Deal
Fri, Aug 22 - Tue, Aug 26

Delta flights from Region of Ontario to Portland

Our best Delta deals on Region of Ontario to Portland flight tickets
Delta
Aug 25
YYZ6:30 amToronto Pearson Intl
7h 10m
1 stop
PDX10:40 amPortland
Sep 8
PDX10:05 pmPortland
9h 18m
1 stop
YYZ10:23 amToronto Pearson Intl
$320
Find similar
Delta
Aug 28
YYZ2:50 pmToronto Pearson Intl
10h 08m
1 stop
PDX9:58 pmPortland
Aug 31
PDX10:05 pmPortland
11h 05m
1 stop
YYZ12:10 pmToronto Pearson Intl
$328
Find similar
Delta
Aug 28
YYZ2:50 pmToronto Pearson Intl
10h 08m
1 stop
PDX9:58 pmPortland
Sep 3
PDX7:15 amPortland
12h 43m
2 stops
YYZ10:58 pmToronto Pearson Intl
$332
Find similar

American Airlines flights from Region of Ontario to Portland

Our best American Airlines deals on Region of Ontario to Portland flight tickets
American Airlines
Sep 15
YYZ6:49 amToronto Pearson Intl
15h 05m
1 stop
PDX6:54 pmPortland
Sep 29
PDX9:56 pmPortland
14h 03m
1 stop
YYZ2:59 pmToronto Pearson Intl
$293
Find similar
American Airlines
Aug 22
YYZ4:15 pmToronto Pearson Intl
8h 49m
1 stop
PDX10:04 pmPortland
Aug 26
PDX11:12 pmPortland
8h 04m
1 stop
YYZ10:16 amToronto Pearson Intl
$306
Find similar
American Airlines
Sep 15
YYZ6:49 amToronto Pearson Intl
15h 05m
1 stop
PDX6:54 pmPortland
Sep 29
PDX9:56 pmPortland
11h 03m
2 stops
YYZ11:59 amToronto Pearson Intl
$340
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 August 7, 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

HamiltonPortland

YHM - PDX

YHMPDX

Hamilton

Sun 8/31

6:00 am-1:04 pm

1 stop10h 04m

Portland

Fri 9/5

1:45 pm-12:40 am

1 stop7h 55m

$206

TorontoPortland

YKF - PDX

YKFPDX

Toronto Region of Waterloo Intl

Sun 8/31

6:00 am-1:04 pm

1 stop10h 04m

Portland

Fri 9/5

1:45 pm-12:45 am

1 stop8h 00m

$211

TorontoPortland

YYZ - PDX

YYZPDX

Toronto Pearson Intl

Sat 9/20

4:00 pm-11:01 pm

1 stop10h 01m

Portland

Fri 9/26

7:40 pm-6:01 am

1 stop7h 21m

$266

TorontoPortland

YYZ - PDX

YYZPDX

Toronto Pearson Intl

Sat 9/20

6:05 pm-11:01 pm

1 stop7h 56m

Portland

Mon 9/22

7:40 pm-7:00 am

1 stop8h 20m

$271

TorontoPortland

YYZ - PDX

YYZPDX

Toronto Pearson Intl

Sat 9/20

9:00 am-8:03 pm

2 stops14h 03m

Portland

Fri 9/26

5:15 pm-7:00 am

1 stop10h 45m

$281

HamiltonPortland

YHM - PDX

YHMPDX

Hamilton

Sat 9/20

6:55 pm-1:04 pm

1 stop21h 09m

Portland

Fri 9/26

1:45 pm-12:40 am

1 stop7h 55m

$285

TorontoPortland

YKF - PDX

YKFPDX

Toronto Region of Waterloo Intl

Sun 9/28

6:00 am-1:04 pm

1 stop10h 04m

Portland

Sun 10/5

1:45 pm-5:15 am

1 stop12h 30m

$288

TorontoPortland

YYZ - PDX

YYZPDX

Toronto Pearson Intl

Mon 9/15

6:49 am-6:54 pm

1 stop15h 05m

Portland

Mon 9/29

9:56 pm-2:59 pm

1 stop14h 03m

$293

TorontoPortland

YYZ - PDX

YYZPDX

Toronto Pearson Intl

Sat 9/6

9:00 am-5:22 pm

2 stops11h 22m

Portland

Mon 9/8

5:00 am-10:48 pm

1 stop14h 48m

$295

TorontoPortland

YYZ - PDX

YYZPDX

Toronto Pearson Intl

Fri 8/22

4:15 pm-10:04 pm

1 stop8h 49m

Portland

Tue 8/26

11:12 pm-10:16 am

1 stop8h 04m

$306

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 August. Flight prices, which tend to average around $292, are often lower during this time because this is during the off-season. If you don’t want to visit Portland in August, then you should wait until September to fly from Region of Ontario, when ticket prices are also cheap, with an average price of $296.

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

The cheapest day to depart on your flight to Portland is on a Tuesday when prices can be found for as low as $157. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Portland is Sunday, with ticket prices averaging around $659.

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 $157. In the afternoon is when there is more demand to fly to Portland, so prices are often more expensive at around $657 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 $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 $308 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.

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

Best Price Found

$103

Fastest flight time

7h 10m

Direct flights

None

Airports in Portland

1 airport
The best one-way flight to Portland from Region of Ontario in the past 72 hours is $103. The best round-trip flight deal from Region of Ontario to Portland found on momondo in the last 72 hours is $206.
The fastest flight from Region of Ontario to Portland takes 7h 10m
There are no direct flights from Region of Ontario to Portland. Popular non-direct routes for this connection are Toronto Pearson Intl Airport - Portland Airport, Toronto Region of Waterloo Intl Airport - Portland Airport and Hamilton Airport - Portland Airport.
There is 1 airport near Portland: Portland (PDX)
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
United AirlinesPriceFrom $134Free CancellationRating
7.4
8,917 reviews
Search United Airlines flights
DeltaPriceFrom $198Free CancellationRating
8.0
7,985 reviews
Search Delta flights
American AirlinesPriceFrom $215Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
Air CanadaPriceFrom $216Free CancellationRating
7.1
9,893 reviews
Search Air Canada flights
Alaska AirlinesPriceFrom $282Free CancellationRating
8.0
10,000 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
Beaverton
Rockaway Beach
Hood River
Hillsboro
Gresham
McMinnville
Tigard
Longview
Pacific City
The Dalles
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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