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Cheap flights from Porto to Ontario from C$ 354

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 12/5. Fares are subject to change and may not be available on all flights or dates of travel.
OPO — YYZ
30 May — 6 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap 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 30 April 2026.

Sat 2/59:45 a.m.
OPO
-
YYZ
Nonstop8h 20m
Air Transat
Mon 11/511:55 p.m.
YYZ
-
OPO
Nonstop6h 50m
Air Transat
Deal found 29/4C$ 665
Sat 9/51:30 p.m.
OPO
-
YYZ
Nonstop7h 55m
Air Transat
Mon 18/511:15 p.m.
YYZ
-
OPO
1 stop26h 30m
Air Transat
Deal found 25/4C$ 672
Wed 10/66:00 a.m.
OPO
-
YUL
1 stop15h 00m
Lufthansa
Wed 17/67:30 p.m.
YUL
-
OPO
Nonstop6h 30m
Lufthansa
Deal found 26/4C$ 675
Wed 10/66:00 a.m.
OPO
-
YUL
1 stop15h 00m
Multiple Airlines
Wed 17/68:50 p.m.
YUL
-
OPO
1 stop11h 55m
Multiple Airlines
Deal found 28/4C$ 690
Thu 4/61:30 p.m.
OPO
-
YUL
1 stop16h 07m
Air Transat
Thu 11/67:25 p.m.
YUL
-
OPO
Nonstop6h 20m
Air Transat
Deal found 29/4C$ 691
Fri 22/58:25 a.m.
OPO
-
YUL
Nonstop7h 15m
Air Transat
Sat 30/57:25 p.m.
YUL
-
OPO
Nonstop6h 20m
Air Transat
Deal found 28/4C$ 694
Sat 13/67:20 p.m.
OPO
-
YUL
1 stop24h 40m
Multiple Airlines
Mon 22/67:30 p.m.
YUL
-
OPO
Nonstop6h 30m
Multiple Airlines
Deal found 29/4C$ 699
Wed 3/68:25 a.m.
OPO
-
YTZ
1 stop10h 50m
Air Transat
Tue 9/610:55 a.m.
YTZ
-
OPO
1 stop14h 50m
Air Transat
Deal found 29/4C$ 706
Thu 4/61:30 p.m.
OPO
-
YUL
1 stop12h 00m
Air Transat
Wed 10/68:35 p.m.
YUL
-
OPO
1 stop10h 20m
Air Transat
Deal found 29/4C$ 707
Sat 13/611:55 a.m.
OPO
-
YUL
Nonstop7h 20m
Lufthansa
Mon 22/67:30 p.m.
YUL
-
OPO
Nonstop6h 30m
Lufthansa
Deal found 29/4C$ 709
Sun 10/58:25 a.m.
OPO
-
YUL
Nonstop7h 15m
Air Transat
Tue 19/57:25 p.m.
YUL
-
OPO
Nonstop6h 20m
Air Transat
Deal found 29/4C$ 711
Thu 14/51:30 p.m.
OPO
-
YYZ
Nonstop7h 55m
Air Transat
Mon 18/57:10 p.m.
YYZ
-
OPO
1 stop30h 35m
Air Transat
Deal found 27/4C$ 711

Find flight deals from Porto to Ontario

Keep the following information in mind while searching for Porto to Ontario flight deals. Data was last updated 30 April 2026.

Round-trip from

C$ 675

One-way from

C$ 354

Popular in

August

Cheapest in

February

Average price

C$ 754

Good round-trip deal

C$ 835 or less

Good one-way deal

C$ 531 or less
Lufthansa
  • Lufthansa
  • 10/6-17/6
  • 1 total stop
  • 21h 30m total
  • Porto to Ontario
Search Deals
12/5
  • 12/5
  • 2 total stops
  • 23h 50m total
  • Porto to Ontario
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (C$ 134 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 29 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals
Price to beat on a round-trip flight from Porto to Ontario.
Search Deals
Price to beat on a one-way flight from Porto to Ontario.
Search Deals

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 30 April 2026.
Use the filters below to find and compare flights from Porto to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortoMontreal

OPO - YUL

OPOYUL

Porto

Sat 13/6

11:55 a.m.-2:15 p.m.

Nonstop7h 20m

Montreal Pierre Elliott Trudeau Intl

Mon 22/6

7:30 p.m.-7:00 a.m.

Nonstop6h 30m

C$ 710

PortoToronto

OPO - YYZ

OPOYYZ

Porto

Tue 9/6

5:00 a.m.-7:55 p.m.

1 stop19h 55m

Toronto Pearson Intl

Mon 15/6

11:30 p.m.-10:15 p.m.

1 stop17h 45m

C$ 714

PortoToronto

OPO - YTZ

OPOYTZ

Porto

Sun 10/5

8:25 a.m.-5:25 p.m.

1 stop14h 00m

Toronto Island

Tue 19/5

4:00 p.m.-6:45 a.m.

1 stop9h 45m

C$ 717

PortoToronto

OPO - YTZ

OPOYTZ

Porto

Fri 15/5

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

1 stop10h 50m

Toronto Island

Mon 18/5

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

1 stop28h 50m

C$ 717

PortoToronto

OPO - YYZ

OPOYYZ

Porto

Thu 14/5

7:10 p.m.-1:20 p.m.

1 stop23h 10m

Toronto Pearson Intl

Mon 18/5

9:55 p.m.-10:15 p.m.

1 stop19h 20m

C$ 718

PortoToronto

OPO - YYZ

OPOYYZ

Porto

Wed 13/5

8:25 a.m.-4:38 p.m.

1 stop13h 13m

Toronto Pearson Intl

Mon 25/5

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

1 stop26h 30m

C$ 721

PortoToronto

OPO - YYZ

OPOYYZ

Porto

Thu 4/6

8:40 a.m.-12:50 p.m.

1 stop33h 10m

Toronto Pearson Intl

Sun 14/6

4:30 p.m.-12:00 p.m.

1 stop14h 30m

C$ 731

PortoMontreal

OPO - YUL

OPOYUL

Porto

Wed 10/6

6:45 p.m.-1:50 p.m.

2 stops24h 05m

Montreal Pierre Elliott Trudeau Intl

Wed 17/6

8:50 p.m.-1:45 p.m.

1 stop11h 55m

C$ 739

PortoToronto

OPO - YTZ

OPOYTZ

Porto

Fri 12/6

6:00 a.m.-10:07 a.m.

2 stops33h 07m

Toronto Island

Fri 19/6

8:55 p.m.-6:50 a.m.

2 stops52h 55m

C$ 740

PortoToronto

OPO - YYZ

OPOYYZ

Porto

Thu 14/5

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

Nonstop7h 55m

Toronto Pearson Intl

Fri 22/5

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

1 stop26h 30m

C$ 742

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/4

Showing 1-10 of 60 resultsSorted by cheapest first
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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

How far ahead should I book a flight from Porto to Region of Ontario?

The price you pay for your flight from Porto to Region of Ontario may vary depending on when you book. For the best chance of a lower fare, look to book 70 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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$ 406). Flying from Porto to Region of Ontario in August is currently the most expensive (average of C$ 638). 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 30 April 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Porto to Region of Ontario as you normally would.

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 30 April 2026.
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
543 reviews
Check prices

Overall

7.8

Boarding

7.9

Food

6.8

Crew

8.5

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

YOW - GCM

The flight was delayed for 3.5 hours. No compensation for a meal voucher. We were positioned at the back of the plane and the toilets were not working properly. It was a foul smell coming from the toilet.
Air Transat
7.8
Good
543 reviews
Air Transat
7.8
Good
543 reviews
Check prices

Overall

7.8

Boarding

7.9

Food

6.8

Crew

8.5

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

YOW - GCM

The flight was delayed for 3.5 hours. No compensation for a meal voucher. We were positioned at the back of the plane and the toilets were not working properly. It was a foul smell coming from the toilet.
Air Canada
7.1
Good
10,982 reviews
Air Transat
7.8
Good
543 reviews
Check prices

Overall

7.8

Boarding

7.9

Food

6.8

Crew

8.5

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

YOW - GCM

The flight was delayed for 3.5 hours. No compensation for a meal voucher. We were positioned at the back of the plane and the toilets were not working properly. It was a foul smell coming from the toilet.
Lufthansa
6.8
Okay
7,962 reviews
Air Transat
7.8
Good
543 reviews
Check prices

Overall

7.8

Boarding

7.9

Food

6.8

Crew

8.5

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

YOW - GCM

The flight was delayed for 3.5 hours. No compensation for a meal voucher. We were positioned at the back of the plane and the toilets were not working properly. It was a foul smell coming from the toilet.

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$ 710, Lufthansa can have you in Region of Ontario from Porto in 7h 20m. Porto and Region of Ontario are separated by a distance of 5132 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 Azores Airlines, with whom users have recently found tickets for as low as C$ 383. However, be on the lookout for offers from Air Transat and TAP AIR PORTUGAL, 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 - Toronto Pearson Intl, Porto - Toronto Island and Porto - Montreal Pierre Elliott Trudeau Intl.

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

    Looking at all options, your cheapest flight can be booked for C$ 470. While the most popular route (Porto - Toronto Pearson Intl) can be booked for C$ 665 on average, our data indicates C$ 735 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$ 406). Flying from Porto to Region of Ontario in August is currently the most expensive (average of C$ 638). 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

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from Porto to Ontario

Discover the top 2 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 30 April 2026.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapestC$ 554AverageC$ 599FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Air TransatCheapestC$ 601AverageC$ 835FlexibilityNo 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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