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Cheap flights from Ontario to Porto from C$ 316

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 24/8. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — OPO
28 Jul — 4 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ontario to Porto

Enter your travel dates to find the best prices.

Cheapest flights from Ontario to Porto
Explore the most affordable flight options available from Ontario to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 June 2026.

Wed 8/77:30 p.m.
YUL
-
OPO
Nonstop6h 30m
Multiple Airlines
Wed 22/711:20 a.m.
OPO
-
YUL
Nonstop7h 20m
Multiple Airlines
Deal found 26/6C$ 768
Wed 2/910:45 p.m.
YUL
-
OPO
2 stops20h 05m
Multiple Airlines
Wed 9/97:10 a.m.
OPO
-
YUL
2 stops18h 35m
Multiple Airlines
Deal found 24/6C$ 769
Wed 8/77:30 p.m.
YUL
-
OPO
Nonstop6h 30m
Air Canada
Thu 3/911:50 a.m.
OPO
-
YUL
Nonstop7h 05m
Air Canada
Deal found 24/6C$ 771
Tue 22/97:25 p.m.
YUL
-
OPO
Nonstop6h 20m
Air Transat
Fri 9/108:25 a.m.
OPO
-
YUL
Nonstop7h 15m
Air Transat
Deal found 24/6C$ 772
Fri 14/88:35 p.m.
YUL
-
OPO
1 stop10h 10m
Air Transat
Fri 28/88:25 a.m.
OPO
-
YUL
Nonstop7h 15m
Air Transat
Deal found 28/6C$ 773
Mon 7/910:45 p.m.
YUL
-
OPO
1 stop11h 15m
TAP AIR PORTUGAL
Tue 29/99:15 p.m.
OPO
-
YUL
1 stop28h 30m
TAP AIR PORTUGAL
Deal found 28/6C$ 775
Wed 8/77:30 p.m.
YUL
-
OPO
Nonstop6h 30m
Multiple Airlines
Wed 2/912:15 p.m.
OPO
-
YUL
1 stop31h 45m
Multiple Airlines
Deal found 24/6C$ 776
Wed 16/97:45 p.m.
YUL
-
OPO
Nonstop6h 15m
Multiple Airlines
Tue 6/106:20 a.m.
OPO
-
YUL
1 stop17h 30m
Multiple Airlines
Deal found 25/6C$ 779
Fri 28/810:45 p.m.
YUL
-
OPO
1 stop10h 45m
TAP AIR PORTUGAL
Thu 10/94:00 p.m.
OPO
-
YUL
1 stop10h 10m
TAP AIR PORTUGAL
Deal found 25/6C$ 781
Mon 7/97:25 p.m.
YUL
-
OPO
Nonstop6h 20m
Air Transat
Sat 26/91:30 p.m.
OPO
-
YUL
1 stop11h 02m
Air Transat
Deal found 28/6C$ 782
Mon 21/94:40 p.m.
YUL
-
OPO
1 stop13h 45m
Multiple Airlines
Thu 8/1011:50 a.m.
OPO
-
YUL
Nonstop7h 50m
Multiple Airlines
Deal found 26/6C$ 783
Sat 11/77:25 p.m.
YUL
-
OPO
Nonstop6h 20m
Air Transat
Fri 24/78:25 a.m.
OPO
-
YUL
Nonstop7h 15m
Air Transat
Deal found 25/6C$ 785

Find flight deals from Ontario to Porto

Keep the following information in mind while searching for Ontario to Porto flight deals. Data was last updated 28 June 2026.

Round-trip from

C$ 768

One-way from

C$ 316

Popular in

December

Cheapest in

February

Average price

C$ 989

Good round-trip deal

C$ 997 or less

Good one-way deal

C$ 532 or less
Lufthansa
  • Lufthansa
  • 8/7-22/7
  • Nonstop
  • 13h 50m total
  • Ontario to Porto
Search Deals
24/8
  • 24/8
  • 2 total stops
  • 22h 45m total
  • Ontario to Porto
Search Deals
High demand for flights, 2% potential price rise
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 40 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals
Price to beat on a round-trip flight from Ontario to Porto.
Search Deals
Price to beat on a one-way flight from Ontario to Porto.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Porto 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, Cheapflights users made 629,999 searches. Data last updated 28 June 2026.
Use the filters below to find and compare flights from Ontario to Porto that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

MontrealPorto

YUL - OPO

YULOPO

Montreal Pierre Elliott Trudeau Intl

Sat 19/9

7:25 p.m.-6:45 a.m.

Nonstop6h 20m

Porto

Wed 23/9

8:25 a.m.-10:40 a.m.

Nonstop7h 15m

C$ 792

MontrealPorto

YUL - OPO

YULOPO

Montreal Pierre Elliott Trudeau Intl

Tue 22/9

8:40 p.m.-11:25 p.m.

1 stop21h 45m

Porto

Fri 9/10

6:20 a.m.-6:50 p.m.

1 stop17h 30m

C$ 816

MontrealPorto

YUL - OPO

YULOPO

Montreal Pierre Elliott Trudeau Intl

Fri 18/9

10:30 a.m.-7:05 p.m.

2 stops27h 35m

Porto

Fri 2/10

8:20 a.m.-9:49 a.m.

2 stops30h 29m

C$ 826

MontrealPorto

YUL - OPO

YULOPO

Montreal Pierre Elliott Trudeau Intl

Fri 11/9

10:30 a.m.-7:05 p.m.

2 stops27h 35m

Porto

Sun 27/9

12:25 p.m.-9:49 a.m.

2 stops26h 24m

C$ 826

MontrealPorto

YUL - OPO

YULOPO

Montreal Pierre Elliott Trudeau Intl

Tue 14/7

9:15 a.m.-6:15 a.m.

2 stops16h 00m

Porto

Sat 25/7

9:00 a.m.-5:24 p.m.

1 stop13h 24m

C$ 867

MontrealPorto

YUL - OPO

YULOPO

Montreal Pierre Elliott Trudeau Intl

Sat 18/7

6:00 a.m.-9:45 a.m.

1 stop22h 45m

Porto

Tue 28/7

9:00 a.m.-5:24 p.m.

1 stop13h 24m

C$ 867

HamiltonPorto

YHM - OPO

YHMOPO

Hamilton

Mon 10/8

1:55 p.m.-9:00 p.m.

2 stops26h 05m

Porto

Mon 31/8

10:30 p.m.-8:25 p.m.

3 stops26h 55m

C$ 871

OttawaPorto

YOW - OPO

YOWOPO

Ottawa

Sun 20/9

4:00 p.m.-11:45 a.m.

1 stop14h 45m

Porto

Thu 24/9

1:30 p.m.-8:05 a.m.

1 stop23h 35m

C$ 884

MontrealPorto

YUL - OPO

YULOPO

Montreal Pierre Elliott Trudeau Intl

Mon 28/9

7:25 p.m.-6:45 a.m.

Nonstop6h 20m

Porto

Fri 2/10

8:25 a.m.-10:40 a.m.

Nonstop7h 15m

C$ 891

OttawaPorto

YOW - OPO

YOWOPO

Ottawa

Wed 22/7

3:10 p.m.-7:00 a.m.

1 stop10h 50m

Porto

Wed 29/7

12:35 p.m.-10:05 p.m.

1 stop14h 30m

C$ 903

Flights are sorted by cheapest round-trip flights first.

Deals found on 25/6

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Ontario to Porto

Have a flexible travel schedule? Discover the best time to fly to Porto from Ontario with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Ontario to Porto

What is the cheapest month to book a flight from Region of Ontario to Porto?

Currently, November is the cheapest month in which you can book a flight from Region of Ontario to Porto (average of C$ 369). Flying from Region of Ontario to Porto in September is currently the most expensive (average of C$ 1,284). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ON to OPO?

Find hourly flight availability from Ontario to Porto. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 28 June 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Region of Ontario to Porto as you normally would.

How much does it cost to fly round-trip from Region of Ontario to Porto?

How far ahead should I book a flight from Region of Ontario to Porto?

The best time to book flights from Region of Ontario to Porto is 86 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Porto. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Porto from Ontario?

    Most people fly into Porto (OPO) if they book a flight to Porto from Ontario. Porto is conveniently located just 10.9 km from Porto’s city centre.

  • How long is the flight from Region of Ontario to Porto?

    Departing from Region of Ontario to Porto will take you 6h 20m. There are 5132 km between Region of Ontario and Porto. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the cheapest airlines to fly from Region of Ontario to Porto one-way?

    The cheapest airline one-way is Azores Airlines, with whom users have recently found tickets for as low as C$ 316. However, be on the lookout for offers from Porter Airlines and Air Transat, as they are both options that can get you from Region of Ontario to Porto for a low price.

  • What are the most popular routes from Region of Ontario to Porto?

    The most popular flight routes from Region of Ontario to Porto are Toronto Pearson Intl - Porto, Montreal Pierre Elliott Trudeau Intl - Porto and Toronto Island - Porto.

  • What are the cheapest flights from Region of Ontario to Porto?

    Looking for the cheapest flight from Region of Ontario to Porto? While on average our users pay C$ 822, our data indicates the cheapest price to be C$ 390. The most popular route (Toronto Pearson Intl - Porto), is priced around C$ 654.

  • Can I find deals for flights from Ontario to Porto that include hotel bookings?

    Yes. In addition to deals on Ontario to Porto flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Porto?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Porto.

  • Can I find deals for business class flights from Ontario to Porto?

    Yes. Cheapflights offers flight deals from Ontario to Porto by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Region of Ontario to Porto?

    Currently, November is the cheapest month in which you can book a flight from Region of Ontario to Porto (average of C$ 369). Flying from Region of Ontario to Porto in September is currently the most expensive (average of C$ 1,284). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Ontario to Porto

See prices for flight routes from nearby airports that may be better suited for you.
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Pierre Elliott Trudeau Intl to Lisbon flights
Toronto Island to Lisbon flights
Pearson Intl to Porto flights
Pierre Elliott Trudeau Intl to Porto flights
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Pierre Elliott Trudeau Intl to Ponta Delgada flights
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Pearson Intl to Faro flights
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Pierre Elliott Trudeau Intl to Faro flights
Ottawa to Lisbon flights
Pearson Intl to Funchal flights
Winnipeg to Lisbon flights
Edmonton to Lisbon flights
Vancouver Intl to Ponta Delgada flights
Calgary to Porto flights
Pearson Intl to Lajes flights
Québec City to Porto flights
Edmonton to Porto flights
Calgary to Ponta Delgada flights
Pearson Intl to Horta flights
St. John's to Lisbon flights
Québec City to Ponta Delgada flights
Ottawa to Ponta Delgada flights
Ottawa to Porto flights
Winnipeg to Porto flights
Calgary to Faro flights
Kelowna to Lisbon flights
Vancouver Intl to Faro flights
Saskatoon to Lisbon flights
Hamilton to Porto flights
Québec City to Faro flights
Charlottetown to Lisbon flights
Halifax to Faro flights
Ottawa to Faro flights
Windsor to Lisbon flights
Pierre Elliott Trudeau Intl to Porto Santo flights
Pierre Elliott Trudeau Intl to Lajes flights

Top 9 airlines flying from Ontario to Porto

Discover the top 9 airlines that operate flights from Ontario to Porto. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 28 June 2026.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapestC$ 427AverageC$ 563FlexibilityNo cancel feeOn-time77%
Search Iberia flights
American AirlinesCheapestC$ 469AverageC$ 470FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
TAP AIR PORTUGALCheapestC$ 594AverageC$ 838FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
LufthansaCheapestC$ 661AverageC$ 1,027FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Air TransatCheapestC$ 716AverageC$ 1,119FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Air CanadaCheapestC$ 755AverageC$ 1,041FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
KLMCheapestC$ 762AverageC$ 877FlexibilityNo cancel feeOn-time75%
Search KLM flights
Azores AirlinesCheapestC$ 777AverageC$ 969FlexibilityNo cancel feeOn-time74%
Search Azores Airlines flights
Porter AirlinesCheapestC$ 809AverageC$ 1,085FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Ontario to Porto?

When you search for this flight from Ontario to Porto, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Ontario to Porto?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Ontario to Porto.

Can Cheapflights find flights from Ontario to Porto with no change fees?

Need flexible booking options for your flight to Porto from Ontario? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Ontario to Porto become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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