C$ 196 Find Cheap Flights from Portland to Ontario – Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Portland to Ontario departing on 14/10. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Cheap Flights from Portland to Ontario

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Portland to Ontario that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Portland to Ontario

Sat, 29 Aug - Sat, 5 Sep
Air Canada Logo
3:30 p.m. - 6:42 a.m.
PDX
-
YYZ
12h 12m
2 stops
Air Canada Logo
9:25 a.m. - 2:51 p.m.
YYZ
-
PDX
8h 26m
1 stop
C$ 433Air Canada
Fri, 18 Sep - Fri, 25 Sep
Air Canada Logo
3:30 p.m. - 6:41 a.m.
PDX
-
YYZ
12h 11m
2 stops
Air Canada Logo
8:00 a.m. - 7:11 p.m.
YYZ
-
PDX
14h 11m
2 stops
C$ 466Air Canada
Tue, 8 Sep - Tue, 15 Sep
Air Canada Logo
3:30 p.m. - 6:41 a.m.
PDX
-
YYZ
12h 11m
2 stops
Air Canada Logo
10:25 p.m. - 9:31 a.m.
YYZ
-
PDX
14h 06m
1 stop
C$ 468Air Canada
Mon, 14 Sep - Wed, 23 Sep
Air Canada Logo
3:30 p.m. - 7:10 a.m.
PDX
-
YUL
12h 40m
2 stops
Air Canada Logo
7:30 a.m. - 2:46 p.m.
YUL
-
PDX
10h 16m
1 stop
C$ 471Air Canada
Fri, 18 Sep - Fri, 25 Sep
Air Canada Logo
7:45 p.m. - 7:30 a.m.
PDX
-
YYZ
8h 45m
1 stop
Air Canada Logo
8:00 a.m. - 7:11 p.m.
YYZ
-
PDX
14h 11m
2 stops
C$ 472Air Canada
Mon, 14 Sep - Wed, 23 Sep
Air Canada Logo
7:45 p.m. - 9:55 a.m.
PDX
-
YUL
11h 10m
2 stops
Air Canada Logo
7:30 a.m. - 2:46 p.m.
YUL
-
PDX
10h 16m
1 stop
C$ 476Air Canada
Mon, 14 Sep - Wed, 23 Sep
Air Canada Logo
10:10 a.m. - 8:51 p.m.
PDX
-
YUL
7h 41m
1 stop
Air Canada Logo
7:30 a.m. - 2:46 p.m.
YUL
-
PDX
10h 16m
1 stop
C$ 478Air Canada
Mon, 14 Sep - Wed, 23 Sep
Air Canada Logo
3:30 p.m. - 7:10 a.m.
PDX
-
YUL
12h 40m
2 stops
Air Canada Logo
10:15 a.m. - 7:11 p.m.
YUL
-
PDX
11h 56m
2 stops
C$ 479Air Canada
Tue, 22 Sep - Tue, 29 Sep
Delta Logo
7:10 a.m. - 11:12 p.m.
PDX
-
YYZ
13h 02m
1 stop
Delta Logo
11:38 a.m. - 9:47 p.m.
YYZ
-
PDX
13h 09m
1 stop
C$ 483Delta
Mon, 14 Sep - Wed, 23 Sep
Air Canada Logo
3:30 p.m. - 7:10 a.m.
PDX
-
YUL
12h 40m
2 stops
Air Canada Logo
10:15 a.m. - 7:11 p.m.
YUL
-
PDX
11h 56m
2 stops
C$ 483Air Canada
Booking Insights

KAYAK's insights & trends for Portland to Ontario flights

Get data-powered insights and trends into flights from Portland to Ontario to help you find the cheapest flights, the best time to fly and much more.

How much is a round-trip flight from Portland to Region of Ontario?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Portland to Region of Ontario departing in August.

Flight prices are below average for this route right now.

Flights to Region of Ontario from Portland usually cost between C$ 445 and C$ 785 in August.
The lowest price found in the past 5 days was C$ 433 on Air Canada (29 Aug–5 Sep).

What is the cheapest time of day to fly to Ontario?

The average price for all round-trip flights from Portland to Ontario depending on the time of departure, clicked by users on KAYAK in the last 2 weeks.

The cheapest time of day to fly to Ontario is generally at night, when round-trip flights cost C$ 165 on average. The most expensive time of day to fly to Ontario is generally at night, which is peak travel time and where the average cost of a ticket is C$ 165.

What is the cheapest month to fly from Portland to Ontario?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Portland to Ontario, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Portland to Ontario is January, when tickets cost C$ 520 (return) on average. On the other hand, the most expensive months are December and June, when the average cost of round-trip tickets is C$ 864 and C$ 697 respectively.

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

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Portland to Ontario, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below-average price on a flight from Portland to Ontario, you should book around 4 weeks before departure, which saves you about 37% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 21 weeks before departure.

Find deals

Good to know

Low season

February

Cheapest flight

C$ 196
Best time to beat the crowds (38% less expensive on average)
Most popular time to fly and prices are also 12% lower on average.
Flight from Portland to Toronto

FAQs - booking Ontario flights

  • How does KAYAK find such low prices on flights from Portland to Ontario?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Portland to Ontario.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Portland to Ontario?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Portland to Ontario is likely to change within 7 days, so travellers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Portland to Ontario?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from Portland to Ontario with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Portland to Ontario?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Portland to Ontario up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from Portland to Ontario

Information on your arrival and departure airports

Portland (PDX)