Find flights
Deals
When to book
FAQs

Cheap flights from Ontario to Porto from C$ 359

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 7/6. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — OPO
12 Jun — 19 Jun1
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 13 May 2026.

Thu 11/67:25 p.m.
YUL
-
OPO
Nonstop6h 20m
Air Transat
Fri 19/61:30 p.m.
OPO
-
YUL
1 stop32h 32m
Air Transat
Deal found 8/5C$ 789
Fri 5/67:40 p.m.
YUL
-
OPO
Nonstop6h 30m
Air Canada
Thu 11/611:50 a.m.
OPO
-
YUL
Nonstop7h 20m
Air Canada
Deal found 10/5C$ 790
Thu 21/57:25 p.m.
YUL
-
OPO
Nonstop6h 20m
Air Transat
Fri 5/68:25 a.m.
OPO
-
YUL
Nonstop7h 15m
Air Transat
Deal found 9/5C$ 792
Thu 21/57:25 p.m.
YUL
-
OPO
Nonstop6h 20m
Air Transat
Wed 3/68:25 a.m.
OPO
-
YUL
Nonstop7h 15m
Air Transat
Deal found 10/5C$ 796
Tue 26/57:25 p.m.
YUL
-
OPO
Nonstop6h 20m
Air Transat
Wed 3/68:25 a.m.
OPO
-
YUL
Nonstop7h 15m
Air Transat
Deal found 11/5C$ 799
Sun 7/64:40 p.m.
YUL
-
OPO
1 stop20h 35m
Multiple Airlines
Sat 20/611:55 a.m.
OPO
-
YUL
Nonstop7h 20m
Multiple Airlines
Deal found 13/5C$ 800
Wed 3/67:30 p.m.
YUL
-
OPO
Nonstop6h 30m
Air Canada
Thu 25/611:50 a.m.
OPO
-
YUL
Nonstop7h 20m
Air Canada
Deal found 12/5C$ 801
Sun 14/64:15 p.m.
YUL
-
OPO
1 stop14h 30m
Air Transat
Tue 23/61:30 p.m.
OPO
-
YUL
1 stop10h 50m
Air Transat
Deal found 11/5C$ 803
Fri 5/68:35 p.m.
YUL
-
OPO
1 stop10h 10m
Air Transat
Sat 27/61:30 p.m.
OPO
-
YUL
1 stop11h 02m
Air Transat
Deal found 12/5C$ 804
Wed 3/69:35 p.m.
YYZ
-
OPO
2 stops21h 00m
Multiple Airlines
Mon 8/61:30 p.m.
OPO
-
YYZ
Nonstop7h 55m
Multiple Airlines
Deal found 8/5C$ 806
Mon 25/510:15 p.m.
YYZ
-
OPO
1 stop18h 45m
Multiple Airlines
Mon 1/61:30 p.m.
OPO
-
YYZ
Nonstop7h 55m
Multiple Airlines
Deal found 10/5C$ 808
Mon 18/56:15 p.m.
YYZ
-
OPO
2 stops22h 45m
Multiple Airlines
Tue 26/51:30 p.m.
OPO
-
YYZ
Nonstop7h 55m
Multiple Airlines
Deal found 8/5C$ 810

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 13 May 2026.

Round-trip from

C$ 789

One-way from

C$ 359

Popular in

December

Cheapest in

November

Average price

C$ 840

Good round-trip deal

C$ 1,062 or less

Good one-way deal

C$ 663 or less
Air Transat
  • Air Transat
  • 11/6-19/6
  • 1 total stop
  • 38h 52m total
  • Ontario to Porto
Search Deals
7/6
  • 7/6
  • 2 total stops
  • 31h 40m total
  • Ontario to Porto
Search Deals
High demand for flights, 3% potential price rise
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 37 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 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 13 May 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

TorontoPorto

YTZ - OPO

YTZOPO

Toronto Island

Mon 8/6

8:55 p.m.-6:45 a.m.

1 stop28h 50m

Porto

Sun 21/6

8:25 a.m.-2:15 p.m.

1 stop10h 50m

C$ 838
Quickest round-trip

TorontoPorto

YYZ - OPO

YYZOPO

Toronto Pearson Intl

Sun 31/5

11:55 p.m.-11:45 a.m.

Nonstop6h 50m

Porto

Thu 4/6

1:30 p.m.-4:25 p.m.

Nonstop7h 55m

C$ 841

TorontoPorto

YYZ - OPO

YYZOPO

Toronto Pearson Intl

Tue 26/5

3:40 p.m.-6:45 a.m.

1 stop10h 05m

Porto

Thu 4/6

1:30 p.m.-4:25 p.m.

Nonstop7h 55m

C$ 847

TorontoPorto

YYZ - OPO

YYZOPO

Toronto Pearson Intl

Thu 28/5

3:40 p.m.-6:45 a.m.

1 stop10h 05m

Porto

Mon 1/6

1:30 p.m.-4:25 p.m.

Nonstop7h 55m

C$ 847

TorontoPorto

YYZ - OPO

YYZOPO

Toronto Pearson Intl

Sat 30/5

3:40 p.m.-6:45 a.m.

1 stop10h 05m

Porto

Mon 1/6

1:30 p.m.-4:25 p.m.

Nonstop7h 55m

C$ 847

MontrealPorto

YUL - OPO

YULOPO

Montreal Pierre Elliott Trudeau Intl

Mon 22/6

6:45 a.m.-11:45 a.m.

1 stop24h 00m

Porto

Wed 15/7

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

Nonstop7h 15m

C$ 848

TorontoPorto

YTZ - OPO

YTZOPO

Toronto Island

Mon 1/6

8:55 p.m.-6:45 a.m.

1 stop28h 50m

Porto

Wed 10/6

8:25 a.m.-2:15 p.m.

1 stop10h 50m

C$ 866

MontrealPorto

YUL - OPO

YULOPO

Montreal Pierre Elliott Trudeau Intl

Wed 27/5

5:00 p.m.-3:25 p.m.

1 stop17h 25m

Porto

Wed 3/6

4:20 p.m.-4:55 p.m.

1 stop29h 35m

C$ 873

TorontoPorto

YYZ - OPO

YYZOPO

Toronto Pearson Intl

Mon 25/5

4:45 p.m.-3:30 p.m.

1 stop17h 45m

Porto

Tue 9/6

11:30 a.m.-7:55 p.m.

1 stop13h 25m

C$ 884

TorontoPorto

YYZ - OPO

YYZOPO

Toronto Pearson Intl

Mon 1/6

6:10 p.m.-6:45 a.m.

1 stop31h 35m

Porto

Thu 4/6

1:30 p.m.-4:25 p.m.

Nonstop7h 55m

C$ 885

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/5

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
6

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

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.

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$ 356). Flying from Region of Ontario to Porto in June is currently the most expensive (average of C$ 1,470). 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 13 May 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?

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 17h 25m. 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$ 305. However, be on the lookout for offers from Air Transat and Porter Airlines, 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$ 973, our data indicates the cheapest price to be C$ 541. The most popular route (Toronto Pearson Intl - Porto), is priced around C$ 767.

  • 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$ 356). Flying from Region of Ontario to Porto in June is currently the most expensive (average of C$ 1,470). 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

Travelling to a place near Porto?

Book flights to Porto if you plan to visit one of these locations
Aveiro

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ontario to Porto

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

Top 10 airlines flying from Ontario to Porto

Discover the top 10 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 13 May 2026.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapestC$ 412AverageC$ 544FlexibilityNo cancel feeOn-time77%
Search Iberia flights
American AirlinesCheapestC$ 453AverageC$ 454FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
TAP AIR PORTUGALCheapestC$ 573AverageC$ 813FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
LufthansaCheapestC$ 638AverageC$ 992FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Air TransatCheapestC$ 690AverageC$ 1,072FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Air CanadaCheapestC$ 729AverageC$ 995FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
KLMCheapestC$ 735AverageC$ 849FlexibilityNo cancel feeOn-time75%
Search KLM flights
Azores AirlinesCheapestC$ 750AverageC$ 936FlexibilityNo cancel feeOn-time74%
Search Azores Airlines flights
Porter AirlinesCheapestC$ 756AverageC$ 1,023FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
United AirlinesCheapestC$ 930AverageC$ 940FlexibilityNo cancel feeOn-time69%
Search United 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!

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.