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Cheap flights from Ontario to Porto from C$ 314

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 22/9. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — OPO
5 May — 12 May1
1 adult

Cheap flight deals from Ontario to Porto

Keep the following information in mind while searching for Ontario to Porto flight deals. Data was last updated 30 April 2025.

Round-trip from

C$ 664

One-way from

C$ 401

Popular in

December

Cheapest in

January

Average price

C$ 822

Good round-trip deal

C$ 882 or less

Good one-way deal

C$ 580 or less
Porter Airlines
  • Porter Airlines
  • 7/6-15/6
  • 2 total stops
  • 22h 33m total
  • Ontario to Porto
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29/6
  • 29/6
  • 3 total stops
  • 28h 25m total
  • Ontario to Porto
Search Deals
High demand for flights, 0% potential price rise
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 43 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals
Price to beat on a round-trip flight from Ontario to Porto.
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Price to beat on a one-way flight from Ontario to Porto.
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Find flight deals from Ontario to Porto

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 30 April 2025.

Sat 7/64:25 p.m.YYZ - OPO
1 stop9h 20mPorter Airlines
Sun 15/68:25 a.m.OPO - YYZ
1 stop13h 13mPorter Airlines
Deal found 28/4C$ 664
Fri 24/1011:00 p.m.YYZ - OPO
1 stop10h 55mTAP AIR PORTUGAL
Wed 5/1110:55 a.m.OPO - YYZ
1 stop15h 15mTAP AIR PORTUGAL
Deal found 29/4C$ 671
Fri 6/69:00 p.m.YTZ - OPO
1 stop28h 45mPorter Airlines
Fri 13/68:25 a.m.OPO - YTZ
1 stop11h 10mPorter Airlines
Deal found 28/4C$ 688
Fri 6/69:00 p.m.YTZ - OPO
1 stop28h 45mAir Transat
Wed 11/68:25 a.m.OPO - YTZ
1 stop29h 00mAir Transat
Deal found 28/4C$ 695
Mon 9/611:55 p.m.YYZ - OPO
Nonstop6h 50mAir Transat
Tue 17/61:30 p.m.OPO - YYZ
Nonstop7h 55mAir Transat
Deal found 29/4C$ 696
Sat 7/610:15 p.m.YYZ - OPO
1 stop13h 15mMultiple Airlines
Tue 10/610:25 p.m.OPO - YYZ
2 stops23h 26mMultiple Airlines
Deal found 28/4C$ 711
Thu 23/109:30 p.m.YUL - OPO
1 stop16h 10mAzores Airlines
Sun 2/119:55 p.m.OPO - YUL
1 stop26h 50mAzores Airlines
Deal found 29/4C$ 793
Mon 13/1010:45 p.m.YUL - OPO
1 stop15h 15mTAP AIR PORTUGAL
Tue 21/109:15 p.m.OPO - YUL
1 stop28h 30mTAP AIR PORTUGAL
Deal found 29/4C$ 799
Mon 4/87:25 p.m.YUL - OPO
Nonstop6h 20mAir Transat
Tue 23/98:25 a.m.OPO - YUL
Nonstop7h 15mAir Transat
Deal found 29/4C$ 800
Mon 25/89:30 p.m.YUL - OPO
1 stop9h 10mMultiple Airlines
Thu 11/94:00 p.m.OPO - YUL
1 stop10h 10mMultiple Airlines
Deal found 29/4C$ 812
Sat 7/67:25 p.m.YUL - OPO
Nonstop6h 20mPorter Airlines
Tue 17/68:25 a.m.OPO - YUL
Nonstop7h 15mPorter Airlines
Deal found 28/4C$ 825
Sun 14/129:05 p.m.YYZ - OPO
1 stop19h 00mAzores Airlines
Mon 29/129:55 p.m.OPO - YYZ
1 stop26h 55mAzores Airlines
Deal found 28/4C$ 830

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 30 April 2025.
Use the filters below to find and compare flights from Ontario to Porto that are best for you.

Fly from

Ontario

Fly to

Porto

Route

Depart

Return

Price

TorontoPorto

YYZ - OPO

YYZOPO

Toronto Pearson Intl

Mon 29/9

11:00 p.m.-5:00 p.m.

1 stop13h 00m

Porto

Wed 8/10

10:25 p.m.-1:55 p.m.

1 stop20h 30m

C$ 671

TorontoPorto

YTZ - OPO

YTZOPO

Toronto Island

Fri 6/6

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

1 stop28h 45m

Porto

Fri 13/6

8:25 a.m.-2:35 p.m.

1 stop11h 10m

C$ 688

TorontoPorto

YTZ - OPO

YTZOPO

Toronto Island

Fri 6/6

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

1 stop28h 45m

Porto

Wed 11/6

8:25 a.m.-8:25 a.m.

1 stop29h 00m

C$ 695

TorontoPorto

YYZ - OPO

YYZOPO

Toronto Pearson Intl

Mon 9/6

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

Nonstop6h 50m

Porto

Tue 17/6

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

Nonstop7h 55m

C$ 696

TorontoPorto

YYZ - OPO

YYZOPO

Toronto Pearson Intl

Sun 1/6

10:15 p.m.-9:00 a.m.

2 stops53h 45m

Porto

Fri 20/6

11:55 a.m.-9:00 p.m.

1 stop14h 05m

C$ 723

MontrealPorto

YUL - OPO

YULOPO

Montreal Pierre Elliott Trudeau Intl

Thu 12/6

9:30 p.m.-6:40 p.m.

1 stop16h 10m

Porto

Thu 19/6

12:55 p.m.-9:10 p.m.

1 stop13h 15m

C$ 789

MontrealPorto

YUL - OPO

YULOPO

Montreal Pierre Elliott Trudeau Intl

Tue 26/8

9:30 p.m.-11:40 a.m.

1 stop9h 10m

Porto

Wed 10/9

7:35 p.m.-8:10 p.m.

1 stop29h 35m

C$ 794

TorontoPorto

YYZ - OPO

YYZOPO

Toronto Pearson Intl

Fri 6/6

11:15 p.m.-6:45 a.m.

1 stop26h 30m

Porto

Sat 21/6

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

Nonstop7h 55m

C$ 794

MontrealPorto

YUL - OPO

YULOPO

Montreal Pierre Elliott Trudeau Intl

Tue 26/8

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

Nonstop6h 20m

Porto

Wed 10/9

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

Nonstop7h 15m

C$ 800

MontrealPorto

YUL - OPO

YULOPO

Montreal Pierre Elliott Trudeau Intl

Wed 8/10

10:45 p.m.-7:00 p.m.

1 stop15h 15m

Porto

Fri 17/10

4:00 p.m.-9:10 p.m.

1 stop10h 10m

C$ 808

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/4

Showing 1-10 of 54 results
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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, January is the cheapest month in which you can book a flight from Region of Ontario to Porto (average of C$ 483). Flying from Region of Ontario to Porto in July is currently the most expensive (average of C$ 777). 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 30 April 2025.

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.

Rainfall in Porto by month

Plan your trip to Porto by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Porto ranges from 18.0 - 195.0 mm per month. December is typically the wettest month, when rainfall can reach 195.0 mm. July is typically the driest time to visit Porto when rainfall is around 18.0 mm.

Temperature in Porto by month

Plan your trip to Porto by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Porto, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 20.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 9.0 C).

Reviews of airlines servicing Porto

Get insights into the airlines that provide service to Porto. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Porto. Reviews last updated 30 April 2025.
Read through reviews of airlines operating flights from Ontario to Porto, such as Delta, Porter Airlines and KLM. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,936 reviews
Check prices

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
4.0
Okay

Richard,Sep 2023

YYZ - ATL

Four hour delay (missing two screws). Seats in need of repair.
Delta
8.0
Very good
7,936 reviews
Delta
8.0
Very good
7,936 reviews
Check prices

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
4.0
Okay

Richard,Sep 2023

YYZ - ATL

Four hour delay (missing two screws). Seats in need of repair.
Porter Airlines
8.0
Very good
285 reviews
Delta
8.0
Very good
7,936 reviews
Check prices

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
4.0
Okay

Richard,Sep 2023

YYZ - ATL

Four hour delay (missing two screws). Seats in need of repair.
KLM
7.8
Good
1,333 reviews
Delta
8.0
Very good
7,936 reviews
Check prices

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
4.0
Okay

Richard,Sep 2023

YYZ - ATL

Four hour delay (missing two screws). Seats in need of repair.
Air Transat
7.8
Good
385 reviews
Delta
8.0
Very good
7,936 reviews
Check prices

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
4.0
Okay

Richard,Sep 2023

YYZ - ATL

Four hour delay (missing two screws). Seats in need of repair.
Azores Airlines
7.6
Good
66 reviews
Delta
8.0
Very good
7,936 reviews
Check prices

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
4.0
Okay

Richard,Sep 2023

YYZ - ATL

Four hour delay (missing two screws). Seats in need of repair.

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.

  • 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$ 479. However, be on the lookout for offers from TAP AIR PORTUGAL and Lufthansa, 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 Montreal Pierre Elliott Trudeau Intl - Porto, Toronto Pearson 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$ 808, our data indicates the cheapest price to be C$ 562. The most popular route (Montreal Pierre Elliott Trudeau Intl - Porto), is priced around C$ 602.

  • 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, January is the cheapest month in which you can book a flight from Region of Ontario to Porto (average of C$ 483). Flying from Region of Ontario to Porto in July is currently the most expensive (average of C$ 777). 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 Ontario?

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

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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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Top 6 airlines flying from Ontario to Porto

Discover the top 6 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 30 April 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 258AverageC$ 1,184FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
TAP AIR PORTUGALCheapestC$ 569AverageC$ 789FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
Porter AirlinesCheapestC$ 621AverageC$ 953FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air TransatCheapestC$ 655AverageC$ 999FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Azores AirlinesCheapestC$ 688AverageC$ 879FlexibilityNo cancel feeOn-time74%
Search Azores Airlines flights
KLMCheapestC$ 733AverageC$ 1,219FlexibilityNo cancel feeOn-time75%
Search KLM 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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