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Cheap flights from Porto to Ontario from C$ 335

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 16/5. Fares are subject to change and may not be available on all flights or dates of travel.
OPO — YYZ
31 Dec — 7 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Porto to Ontario

Keep the following information in mind while searching for Porto to Ontario flight deals. Data was last updated 1 December 2025.

Round-trip from

C$ 508

One-way from

C$ 335

Popular in

August

Cheapest in

February

Average price

C$ 698

Good round-trip deal

C$ 824 or less

Good one-way deal

C$ 493 or less
Scandinavian Airlines
  • Scandinavian Airlines
  • 9/3-15/3
  • 2 total stops
  • 45h 40m total
  • Porto to Ontario
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American Airlines
  • American Airlines
  • 16/5
  • 2 total stops
  • 32h 40m total
  • Porto to Ontario
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Highest demand for flights based on searches. 12% potential increase in price (C$ 146 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease (C$ 28 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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Price to beat on a round-trip flight from Porto to Ontario.
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Price to beat on a one-way flight from Porto to Ontario.
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Find flight deals from Porto to Ontario

Enter your travel dates to find the best prices.

Cheapest flights from Porto to Ontario
Explore the most affordable flight options available from Porto to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 December 2025.

Fri 26/127:20 p.m.OPO - YUL
2 stops23h 25mSWISS
Mon 2/34:55 p.m.YUL - OPO
1 stop20h 40mSWISS
Deal found 29/11C$ 657
Thu 18/128:20 a.m.OPO - YYZ
2 stops18h 06mAmerican Airlines
Sat 10/11:45 p.m.YYZ - OPO
2 stops17h 00mAmerican Airlines
Deal found 30/11C$ 697
Fri 26/127:20 p.m.OPO - YUL
1 stop24h 50mMultiple Airlines
Mon 2/38:10 p.m.YUL - OPO
1 stop11h 40mMultiple Airlines
Deal found 29/11C$ 750
Tue 23/128:20 a.m.OPO - YYZ
2 stops18h 06mAmerican Airlines
Thu 8/110:59 a.m.YYZ - OPO
2 stops24h 01mAmerican Airlines
Deal found 30/11C$ 761
Wed 17/126:00 a.m.OPO - YOW
2 stops37h 05mAir Canada
Sun 28/126:20 p.m.YOW - OPO
2 stops13h 30mAir Canada
Deal found 29/11C$ 775
Tue 23/126:00 a.m.OPO - YOW
2 stops40h 40mAir Canada
Sun 28/127:45 a.m.YOW - OPO
2 stops24h 05mAir Canada
Deal found 1/12C$ 785
Wed 17/126:00 a.m.OPO - YYZ
1 stop15h 15mAir Canada
Mon 12/14:00 p.m.YYZ - OPO
2 stops15h 05mAir Canada
Deal found 30/11C$ 789
Wed 24/126:00 a.m.OPO - YOW
2 stops20h 18mAir Canada
Sun 28/127:45 a.m.YOW - OPO
2 stops24h 05mAir Canada
Deal found 1/12C$ 792
Wed 17/126:00 a.m.OPO - YYZ
1 stop15h 15mAir Canada
Sun 11/16:15 p.m.YYZ - OPO
1 stop12h 25mAir Canada
Deal found 30/11C$ 817
Sat 20/121:45 p.m.OPO - YUL
1 stop33h 35mLufthansa
Wed 31/125:55 p.m.YUL - OPO
1 stop23h 30mLufthansa
Deal found 1/12C$ 821
Wed 17/128:20 a.m.OPO - YYZ
2 stops18h 09mAmerican Airlines
Fri 9/11:14 p.m.YYZ - OPO
2 stops17h 31mAmerican Airlines
Deal found 30/11C$ 835
Thu 25/128:50 a.m.OPO - YOW
1 stop14h 35mAir Transat
Fri 26/123:00 p.m.YOW - OPO
1 stop11h 05mAir Transat
Deal found 1/12C$ 837

Cheapflights Fare Finder

 
Customize your flight search to find flights from Porto to Ontario 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 December 2025.
Use the filters below to find and compare flights from Porto to Ontario that are best for you.

Fly from

Porto

Fly to

Ontario

Route

Depart

Return

Price

PortoToronto

OPO - YYZ

OPOYYZ

Porto

Thu 15/1

6:00 a.m.-7:45 p.m.

1 stop18h 45m

Toronto Pearson Intl

Sat 24/1

6:00 p.m.-11:10 a.m.

2 stops36h 10m

C$ 542

PortoToronto

OPO - YYZ

OPOYYZ

Porto

Sat 14/2

8:50 a.m.-12:05 p.m.

Nonstop8h 15m

Toronto Pearson Intl

Fri 27/2

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

Nonstop6h 55m

C$ 549

PortoToronto

OPO - YYZ

OPOYYZ

Porto

Thu 15/1

6:00 a.m.-7:45 p.m.

1 stop18h 45m

Toronto Pearson Intl

Sat 24/1

8:25 p.m.-6:35 p.m.

1 stop17h 10m

C$ 555

PortoToronto

OPO - YYZ

OPOYYZ

Porto

Sat 17/1

6:00 a.m.-7:45 p.m.

1 stop18h 45m

Toronto Pearson Intl

Fri 23/1

6:15 p.m.-11:40 a.m.

1 stop12h 25m

C$ 569

PortoToronto

OPO - YYZ

OPOYYZ

Porto

Sun 1/2

6:00 a.m.-4:15 p.m.

1 stop15h 15m

Toronto Pearson Intl

Wed 11/2

12:00 p.m.-1:15 p.m.

2 stops20h 15m

C$ 570

PortoMontreal

OPO - YUL

OPOYUL

Porto

Fri 16/1

6:30 a.m.-5:20 p.m.

1 stop15h 50m

Montreal Pierre Elliott Trudeau Intl

Thu 22/1

5:00 p.m.-10:25 a.m.

1 stop12h 25m

C$ 578

PortoToronto

OPO - YYZ

OPOYYZ

Porto

Thu 15/1

6:00 a.m.-7:45 p.m.

1 stop18h 45m

Toronto Pearson Intl

Thu 22/1

6:15 p.m.-11:40 a.m.

1 stop12h 25m

C$ 578

PortoToronto

OPO - YYZ

OPOYYZ

Porto

Mon 2/2

4:10 p.m.-7:15 p.m.

1 stop32h 05m

Toronto Pearson Intl

Wed 11/2

5:50 p.m.-7:20 p.m.

1 stop20h 30m

C$ 581

PortoOttawa

OPO - YOW

OPOYOW

Porto

Sat 31/1

6:00 a.m.-11:08 p.m.

2 stops22h 08m

Ottawa

Sun 1/2

2:50 p.m.-12:50 p.m.

2 stops17h 00m

C$ 588

PortoOttawa

OPO - YOW

OPOYOW

Porto

Mon 26/1

6:00 a.m.-1:38 a.m.

2 stops24h 38m

Ottawa

Mon 2/2

5:45 a.m.-11:15 a.m.

2 stops24h 30m

C$ 590

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/11

Showing 1-10 of 59 results
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Best time to book a flight from Porto to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Porto 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 Porto to Ontario

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

Currently, April is the cheapest month in which you can book a flight from Porto to Region of Ontario (average of C$ 518). Flying from Porto to Region of Ontario in August is currently the most expensive (average of C$ 719). 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 OPO to ON?

Find hourly flight availability from Porto to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 1 December 2025.

A simple way to save on the total cost of your ticket is to fly from Porto to Region of Ontario in the evening. If you’re flexible enough to do this you can expect to save up to 47% on your trip compared to booking a flight in the morning.

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

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated 1 December 2025.
Get a feel of what it's like to fly with Air Transat,Air Canada, andLufthansa from Porto to Ontario by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Transat
7.8
Good
479 reviews
Check prices

Boarding

7.9

Comfort

7.4

Entertainment

7.1

Overall

7.8

Crew

8.4

Food

6.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

YYZ - YUL

Easy, fast onboarding, very friendly staff. Seats were very narrow, OK for me but we were elbow to elbow with both neighbours of small size. The seat width should be indicated at the time of booking to prevent an uncomfortable situation with oversized travellers.
Air Transat
7.8
Good
479 reviews
Air Transat
7.8
Good
479 reviews
Check prices

Boarding

7.9

Comfort

7.4

Entertainment

7.1

Overall

7.8

Crew

8.4

Food

6.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

YYZ - YUL

Easy, fast onboarding, very friendly staff. Seats were very narrow, OK for me but we were elbow to elbow with both neighbours of small size. The seat width should be indicated at the time of booking to prevent an uncomfortable situation with oversized travellers.
Air Canada
7.1
Good
10,493 reviews
Air Transat
7.8
Good
479 reviews
Check prices

Boarding

7.9

Comfort

7.4

Entertainment

7.1

Overall

7.8

Crew

8.4

Food

6.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

YYZ - YUL

Easy, fast onboarding, very friendly staff. Seats were very narrow, OK for me but we were elbow to elbow with both neighbours of small size. The seat width should be indicated at the time of booking to prevent an uncomfortable situation with oversized travellers.
Lufthansa
6.8
Okay
7,602 reviews
Air Transat
7.8
Good
479 reviews
Check prices

Boarding

7.9

Comfort

7.4

Entertainment

7.1

Overall

7.8

Crew

8.4

Food

6.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

YYZ - YUL

Easy, fast onboarding, very friendly staff. Seats were very narrow, OK for me but we were elbow to elbow with both neighbours of small size. The seat width should be indicated at the time of booking to prevent an uncomfortable situation with oversized travellers.

Related info for your journey

Find useful and relevant information for your journey from Porto to Ontario. 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 from for flights from Porto to Ontario?

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

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

    For as low as C$ 549, Air Transat can have you in Region of Ontario from Porto in 8h 15m. Porto and Region of Ontario are separated by a distance of 5638 km. 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 Porto to Region of Ontario one-way?

    The cheapest airline one-way is American Airlines, with whom users have recently found tickets for as low as C$ 335. However, be on the lookout for offers from Iberia and British Airways, as they are both options that can get you from Porto to Region of Ontario for a low price.

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

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

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

    Looking at all options, your cheapest flight can be booked for C$ 439. While the most popular route (Porto - Montreal Pierre Elliott Trudeau Intl) can be booked for C$ 567 on average, our data indicates C$ 1,008 when flying from Porto to Region of Ontario.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Porto to Ontario 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 Porto to Region of Ontario?

    Currently, April is the cheapest month in which you can book a flight from Porto to Region of Ontario (average of C$ 518). Flying from Porto to Region of Ontario in August is currently the most expensive (average of C$ 719). 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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Top 3 airlines flying from Porto to Ontario

Discover the top 3 airlines that operate flights from Porto to Ontario. 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 December 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapestC$ 566AverageC$ 611FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Air CanadaCheapestC$ 569AverageC$ 797FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Air TransatCheapestC$ 674AverageC$ 782FlexibilityNo cancel feeOn-time50%
Search Air Transat 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 Porto to Ontario?

Cheapflights helps you search for flights from Porto to Ontario via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

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 Porto to Ontario.

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

Certainly. Search results for flights to Ontario from Porto shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Not ready to book yet? You can track prices for flights from Porto to Ontario on Cheapflights with our Price Alert feature and get notified when better prices are available.

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