Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from Ontario to Porto from C$ 347

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 10/10. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — OPO
17 Jun — 24 Jun1
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 12 June 2025.

Round-trip from

C$ 755

One-way from

C$ 402

Popular in

December

Cheapest in

January

Average price

C$ 900

Good round-trip deal

C$ 872 or less

Good one-way deal

C$ 597 or less
TAP AIR PORTUGAL
  • TAP AIR PORTUGAL
  • 24/8-18/9
  • 2 total stops
  • 32h 25m total
  • Ontario to Porto
Search Deals
12/9
  • 12/9
  • 1 total stop
  • 18h 35m 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$ 39 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
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

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 12 June 2025.

Mon 29/910:10 p.m.YYZ - OPO
1 stop18h 50mMultiple Airlines
Mon 13/101:30 p.m.OPO - YYZ
Nonstop7h 55mMultiple Airlines
Deal found 10/6C$ 715
Sun 24/85:35 p.m.YYZ - OPO
1 stop10h 25mTAP AIR PORTUGAL
Thu 18/99:15 p.m.OPO - YYZ
1 stop22h 00mTAP AIR PORTUGAL
Deal found 9/6C$ 755
Sun 14/96:00 p.m.YUL - OPO
1 stop12h 45mAir Transat
Tue 23/91:30 p.m.OPO - YUL
1 stop16h 07mAir Transat
Deal found 10/6C$ 766
Mon 1/910:00 p.m.YUL - OPO
Nonstop6h 35mLufthansa
Mon 8/96:15 a.m.OPO - YUL
1 stop17h 35mLufthansa
Deal found 12/6C$ 767
Wed 3/96:45 a.m.YUL - OPO
1 stop24h 00mPorter Airlines
Thu 11/91:30 p.m.OPO - YUL
1 stop10h 50mPorter Airlines
Deal found 12/6C$ 768
Mon 1/910:00 p.m.YUL - OPO
Nonstop6h 35mAir Canada
Wed 17/96:00 a.m.OPO - YUL
1 stop15h 00mAir Canada
Deal found 11/6C$ 775
Fri 21/119:05 p.m.YYZ - OPO
1 stop9h 45mAzores Airlines
Tue 2/1212:40 p.m.OPO - YYZ
1 stop12h 10mAzores Airlines
Deal found 11/6C$ 778
Mon 15/911:00 p.m.YUL - OPO
1 stop18h 55mMultiple Airlines
Fri 3/1012:40 p.m.OPO - YUL
1 stop13h 20mMultiple Airlines
Deal found 11/6C$ 783
Thu 7/89:30 p.m.YUL - OPO
1 stop9h 10mAzores Airlines
Wed 24/97:35 p.m.OPO - YUL
1 stop29h 35mAzores Airlines
Deal found 11/6C$ 786
Wed 6/810:45 p.m.YUL - OPO
1 stop11h 15mTAP AIR PORTUGAL
Thu 25/912:30 p.m.OPO - YUL
1 stop13h 40mTAP AIR PORTUGAL
Deal found 11/6C$ 801
Sat 27/96:00 p.m.YYZ - OPO
1 stop10h 35mAir Canada
Sun 30/116:15 a.m.OPO - YYZ
2 stops22h 30mAir Canada
Deal found 10/6C$ 805
Tue 2/910:30 p.m.YUL - OPO
1 stop12h 00mKLM
Thu 11/98:20 p.m.OPO - YUL
1 stop25h 35mKLM
Deal found 12/6C$ 818

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 12 June 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

10:10 p.m.-10:00 p.m.

1 stop18h 50m

Porto

Mon 13/10

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

Nonstop7h 55m

C$ 715

TorontoPorto

YYZ - OPO

YYZOPO

Toronto Pearson Intl

Sun 24/8

5:35 p.m.-9:00 a.m.

1 stop10h 25m

Porto

Thu 18/9

9:15 p.m.-2:15 p.m.

1 stop22h 00m

C$ 755

MontrealPorto

YUL - OPO

YULOPO

Montreal Pierre Elliott Trudeau Intl

Mon 1/9

10:00 p.m.-9:35 a.m.

Nonstop6h 35m

Porto

Mon 8/9

6:15 a.m.-6:50 p.m.

1 stop17h 35m

C$ 767

MontrealPorto

YUL - OPO

YULOPO

Montreal Pierre Elliott Trudeau Intl

Wed 3/9

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

1 stop24h 00m

Porto

Thu 11/9

1:30 p.m.-7:20 p.m.

1 stop10h 50m

C$ 768

MontrealPorto

YUL - OPO

YULOPO

Montreal Pierre Elliott Trudeau Intl

Mon 1/9

10:00 p.m.-9:35 a.m.

Nonstop6h 35m

Porto

Wed 17/9

6:00 a.m.-4:00 p.m.

1 stop15h 00m

C$ 775

TorontoPorto

YYZ - OPO

YYZOPO

Toronto Pearson Intl

Fri 21/11

9:05 p.m.-9:15 p.m.

1 stop19h 10m

Porto

Tue 2/12

12:40 p.m.-7:50 p.m.

1 stop12h 10m

C$ 778

MontrealPorto

YUL - OPO

YULOPO

Montreal Pierre Elliott Trudeau Intl

Thu 7/8

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

1 stop9h 10m

Porto

Wed 24/9

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

Nonstop7h 15m

C$ 785

MontrealPorto

YUL - OPO

YULOPO

Montreal Pierre Elliott Trudeau Intl

Thu 7/8

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

1 stop9h 10m

Porto

Wed 24/9

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

1 stop29h 35m

C$ 786

MontrealPorto

YUL - OPO

YULOPO

Montreal Pierre Elliott Trudeau Intl

Wed 6/8

10:45 p.m.-3:00 p.m.

1 stop11h 15m

Porto

Thu 25/9

12:30 p.m.-9:10 p.m.

1 stop13h 40m

C$ 801

TorontoPorto

YYZ - OPO

YYZOPO

Toronto Pearson Intl

Sat 27/9

6:00 p.m.-9:35 a.m.

1 stop10h 35m

Porto

Sun 30/11

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

2 stops22h 30m

C$ 805

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/6

Showing 1-10 of 56 results
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

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 December is currently the most expensive (average of C$ 775). 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 12 June 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 12 June 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
7,950 reviews
Check prices

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
4.0
Okay

Peter,Oct 2023

MSP - GEG

The amount of carry on is put of control. We were in group 3 boarding and there was no room in upper storage for our 1 bag (between 2 people) Just because we can’t afford to up grade our seats… $2000 more. We get penaltized. Make us feel less than
Delta
8.0
Very good
7,950 reviews
Delta
8.0
Very good
7,950 reviews
Check prices

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
4.0
Okay

Peter,Oct 2023

MSP - GEG

The amount of carry on is put of control. We were in group 3 boarding and there was no room in upper storage for our 1 bag (between 2 people) Just because we can’t afford to up grade our seats… $2000 more. We get penaltized. Make us feel less than
Porter Airlines
8.0
Very good
288 reviews
Delta
8.0
Very good
7,950 reviews
Check prices

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
4.0
Okay

Peter,Oct 2023

MSP - GEG

The amount of carry on is put of control. We were in group 3 boarding and there was no room in upper storage for our 1 bag (between 2 people) Just because we can’t afford to up grade our seats… $2000 more. We get penaltized. Make us feel less than
KLM
7.8
Good
1,358 reviews
Delta
8.0
Very good
7,950 reviews
Check prices

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
4.0
Okay

Peter,Oct 2023

MSP - GEG

The amount of carry on is put of control. We were in group 3 boarding and there was no room in upper storage for our 1 bag (between 2 people) Just because we can’t afford to up grade our seats… $2000 more. We get penaltized. Make us feel less than
Air Transat
7.8
Good
396 reviews
Delta
8.0
Very good
7,950 reviews
Check prices

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
4.0
Okay

Peter,Oct 2023

MSP - GEG

The amount of carry on is put of control. We were in group 3 boarding and there was no room in upper storage for our 1 bag (between 2 people) Just because we can’t afford to up grade our seats… $2000 more. We get penaltized. Make us feel less than
Azores Airlines
7.6
Good
66 reviews
Delta
8.0
Very good
7,950 reviews
Check prices

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
4.0
Okay

Peter,Oct 2023

MSP - GEG

The amount of carry on is put of control. We were in group 3 boarding and there was no room in upper storage for our 1 bag (between 2 people) Just because we can’t afford to up grade our seats… $2000 more. We get penaltized. Make us feel less than

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 TAP AIR PORTUGAL, with whom users have recently found tickets for as low as C$ 422. However, be on the lookout for offers from Azores 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$ 2,085, our data indicates the cheapest price to be C$ 555. The most popular route (Toronto Pearson Intl - Porto), is priced around C$ 778.

  • 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 December is currently the most expensive (average of C$ 775). 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

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.
Pierre Elliott Trudeau Intl to Lisbon flights
Pearson Intl to Lisbon flights
Toronto Island to Lisbon flights
Vancouver Intl to Lisbon flights
Pearson Intl to Porto flights
Pearson Intl to Ponta Delgada flights
Pierre Elliott Trudeau Intl to Porto flights
Pierre Elliott Trudeau Intl to Ponta Delgada flights
Québec City to Lisbon flights
Pierre Elliott Trudeau Intl to Funchal flights
Vancouver Intl to Porto flights
Toronto Island to Porto flights
Pierre Elliott Trudeau Intl to Faro flights
Ottawa to Lisbon flights
Pearson Intl to Funchal flights
Pearson Intl to Faro flights
Halifax to Lisbon flights
Vancouver Intl to Faro flights
Calgary to Lisbon flights
Québec City to Porto flights
Edmonton to Lisbon flights
Pearson Intl to Lajes flights
Vancouver Intl to Ponta Delgada flights
Edmonton to Porto flights
Winnipeg to Lisbon flights
Calgary to Faro flights
Calgary to Porto flights
Saskatoon to Lisbon flights
Victoria to Lisbon flights
Kelowna to Lisbon flights
Ottawa to Porto flights
Pierre Elliott Trudeau Intl to Lajes flights
Halifax to Porto flights
Kelowna to Porto flights
Moncton to Lisbon flights
Pearson Intl to Porto Santo flights
Winnipeg to Porto flights
Pierre Elliott Trudeau Intl to Horta flights
Pierre Elliott Trudeau Intl to Porto Santo flights
Pearson Intl to Horta flights
Ottawa to Faro flights
Québec City to Ponta Delgada flights
St. John's to Lisbon flights
Winnipeg to Ponta Delgada flights
Pearson Intl to Vila do Porto flights
Québec City to Faro flights

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 12 June 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 255AverageC$ 1,147FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
TAP AIR PORTUGALCheapestC$ 565AverageC$ 780FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
Porter AirlinesCheapestC$ 614AverageC$ 952FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air TransatCheapestC$ 650AverageC$ 975FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Azores AirlinesCheapestC$ 680AverageC$ 878FlexibilityNo cancel feeOn-time74%
Search Azores Airlines flights
KLMCheapestC$ 724AverageC$ 1,196FlexibilityNo 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!

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.