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Cheap flights from Ontario to Porto from C$ 386

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 12/10. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — OPO
6 Aug — 13 Aug1
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 1 August 2025.

Round-trip from

C$ 769

One-way from

C$ 386

Popular in

December

Cheapest in

January

Average price

C$ 1,060

Good round-trip deal

C$ 964 or less

Good one-way deal

C$ 443 or less
25/8-22/10
  • 25/8-22/10
  • 1 total stop
  • 38h 15m total
  • Ontario to Porto
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12/10
  • 12/10
  • 1 total stop
  • 19h 10m total
  • Ontario to Porto
Search Deals
High demand for flights, 1% potential price rise
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Cheapest flight prices on average. 3% potential price decrease (C$ 38 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2025
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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 1 August 2025.

Mon 25/810:00 p.m.YUL - OPO
Nonstop6h 35mMultiple Airlines
Wed 22/1012:20 p.m.OPO - YUL
1 stop31h 40mMultiple Airlines
Deal found 31/7C$ 769
Wed 10/96:00 p.m.YUL - OPO
1 stop12h 55mAir Transat
Mon 22/91:30 p.m.OPO - YUL
1 stop10h 50mAir Transat
Deal found 30/7C$ 774
Wed 10/910:00 a.m.YUL - OPO
1 stop20h 45mPorter Airlines
Wed 1/108:25 a.m.OPO - YUL
Nonstop7h 15mPorter Airlines
Deal found 1/8C$ 775
Thu 6/117:05 p.m.YUL - OPO
1 stop10h 25mDelta
Tue 25/1111:25 a.m.OPO - YUL
2 stops34h 55mDelta
Deal found 1/8C$ 778
Wed 10/99:50 p.m.YUL - OPO
Nonstop6h 30mLufthansa
Thu 18/912:10 p.m.OPO - YUL
Nonstop7h 25mLufthansa
Deal found 30/7C$ 782
Sun 12/106:50 p.m.YUL - OPO
1 stop15h 45mKLM
Sat 18/107:00 p.m.OPO - YUL
1 stop26h 55mKLM
Deal found 31/7C$ 783
Wed 5/118:40 p.m.YUL - OPO
2 stops14h 20mBritish Airways
Sat 22/118:40 p.m.OPO - YUL
2 stops27h 05mBritish Airways
Deal found 1/8C$ 811
Mon 8/94:40 p.m.YUL - OPO
1 stop13h 45mSWISS
Mon 6/107:20 p.m.OPO - YUL
1 stop24h 40mSWISS
Deal found 31/7C$ 814
Tue 7/104:40 p.m.YUL - OPO
1 stop13h 50mAir Canada
Wed 22/106:15 a.m.OPO - YUL
2 stops23h 25mAir Canada
Deal found 1/8C$ 823
Thu 2/104:35 p.m.YYZ - OPO
2 stops21h 35mSWISS
Mon 6/107:20 p.m.OPO - YYZ
1 stop22h 30mSWISS
Deal found 30/7C$ 864
Mon 29/911:55 p.m.YYZ - OPO
Nonstop7h 00mAir Transat
Sat 1/118:50 a.m.OPO - YYZ
Nonstop8h 15mAir Transat
Deal found 31/7C$ 865
Sun 14/96:55 p.m.YTZ - OPO
1 stop30h 50mPorter Airlines
Sun 28/98:25 a.m.OPO - YTZ
1 stop12h 30mPorter Airlines
Deal found 1/8C$ 866

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 1 August 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

MontrealPorto

YUL - OPO

YULOPO

Montreal Pierre Elliott Trudeau Intl

Mon 25/8

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

Nonstop6h 35m

Porto

Wed 22/10

12:20 p.m.-3:00 p.m.

1 stop31h 40m

C$ 769

MontrealPorto

YUL - OPO

YULOPO

Montreal Pierre Elliott Trudeau Intl

Wed 10/9

6:00 p.m.-11:55 a.m.

1 stop12h 55m

Porto

Mon 22/9

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

1 stop10h 50m

C$ 774

MontrealPorto

YUL - OPO

YULOPO

Montreal Pierre Elliott Trudeau Intl

Wed 10/9

10:00 a.m.-11:45 a.m.

1 stop20h 45m

Porto

Wed 1/10

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

Nonstop7h 15m

C$ 775

MontrealPorto

YUL - OPO

YULOPO

Montreal Pierre Elliott Trudeau Intl

Wed 10/9

9:50 p.m.-9:20 a.m.

Nonstop6h 30m

Porto

Thu 18/9

12:10 p.m.-2:35 p.m.

Nonstop7h 25m

C$ 782

MontrealPorto

YUL - OPO

YULOPO

Montreal Pierre Elliott Trudeau Intl

Mon 17/11

5:00 p.m.-10:30 a.m.

1 stop12h 30m

Porto

Mon 1/12

11:25 a.m.-5:20 p.m.

2 stops58h 55m

C$ 783

MontrealPorto

YUL - OPO

YULOPO

Montreal Pierre Elliott Trudeau Intl

Fri 24/10

6:50 p.m.-3:35 p.m.

1 stop15h 45m

Porto

Wed 5/11

6:00 a.m.-11:14 p.m.

2 stops22h 14m

C$ 792

MontrealPorto

YUL - OPO

YULOPO

Montreal Pierre Elliott Trudeau Intl

Mon 8/9

4:40 p.m.-11:25 a.m.

1 stop13h 45m

Porto

Mon 6/10

7:20 p.m.-3:00 p.m.

1 stop24h 40m

C$ 811

MontrealPorto

YUL - OPO

YULOPO

Montreal Pierre Elliott Trudeau Intl

Sun 7/9

9:40 a.m.-9:45 a.m.

2 stops19h 05m

Porto

Tue 23/9

12:50 p.m.-3:15 p.m.

Nonstop7h 25m

C$ 815

MontrealPorto

YUL - OPO

YULOPO

Montreal Pierre Elliott Trudeau Intl

Fri 21/11

8:30 p.m.-7:40 a.m.

2 stops30h 10m

Porto

Fri 28/11

8:40 p.m.-6:45 p.m.

2 stops27h 05m

C$ 816

TorontoPorto

YYZ - OPO

YYZOPO

Toronto Pearson Intl

Thu 2/10

4:35 p.m.-7:10 p.m.

2 stops21h 35m

Porto

Mon 6/10

7:20 p.m.-12:50 p.m.

1 stop22h 30m

C$ 864

Flights are sorted by cheapest round-trip flights first.

Deals found on 30/7

Showing 1-10 of 53 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$ 789). 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 1 August 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.

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 1 August 2025.
Read through reviews of airlines operating flights from Ontario to Porto, such as Porter Airlines,Delta, andKLM. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
318 reviews
Check prices

Entertainment

7.0

Comfort

8.0

Food

7.6

Boarding

8.2

Overall

8.0

Crew

8.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
Porter Airlines
8.0
Very good
318 reviews
Porter Airlines
8.0
Very good
318 reviews
Check prices

Entertainment

7.0

Comfort

8.0

Food

7.6

Boarding

8.2

Overall

8.0

Crew

8.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
Delta
8.0
Very good
7,983 reviews
Porter Airlines
8.0
Very good
318 reviews
Check prices

Entertainment

7.0

Comfort

8.0

Food

7.6

Boarding

8.2

Overall

8.0

Crew

8.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
KLM
7.8
Good
1,384 reviews
Porter Airlines
8.0
Very good
318 reviews
Check prices

Entertainment

7.0

Comfort

8.0

Food

7.6

Boarding

8.2

Overall

8.0

Crew

8.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
Air Transat
7.7
Good
424 reviews
Porter Airlines
8.0
Very good
318 reviews
Check prices

Entertainment

7.0

Comfort

8.0

Food

7.6

Boarding

8.2

Overall

8.0

Crew

8.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
Azores Airlines
7.5
Good
67 reviews
Porter Airlines
8.0
Very good
318 reviews
Check prices

Entertainment

7.0

Comfort

8.0

Food

7.6

Boarding

8.2

Overall

8.0

Crew

8.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience

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$ 390. 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$ 2,133, our data indicates the cheapest price to be C$ 443. The most popular route (Toronto Pearson Intl - Porto), is priced around C$ 479.

  • 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$ 789). 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
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 7 airlines flying from Ontario to Porto

Discover the top 7 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 1 August 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 258AverageC$ 1,160FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
TAP AIR PORTUGALCheapestC$ 569AverageC$ 801FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
LufthansaCheapestC$ 604AverageC$ 886FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Porter AirlinesCheapestC$ 625AverageC$ 999FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air TransatCheapestC$ 672AverageC$ 983FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Azores AirlinesCheapestC$ 688AverageC$ 890FlexibilityNo cancel feeOn-time74%
Search Azores Airlines flights
KLMCheapestC$ 733AverageC$ 1,161FlexibilityNo 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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