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Cheap flights from Porto to Ontario from C$ 411

OPO — YYZ
14 Oct — 21 Oct1
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

Fri 9/108:25 a.m. -
Nonstop7h 15m
Sat 17/107:25 p.m. -
Nonstop6h 20m
Deal found 9/9C$ 678
Fri 25/98:25 a.m. -
Nonstop7h 15m
Thu 1/107:25 p.m. -
Nonstop6h 20m
Deal found 13/9C$ 680
Wed 23/98:25 a.m. -
1 stop18h 35m
Wed 7/1011:55 p.m. -
Nonstop7h 00m
Deal found 9/9C$ 680
Thu 22/106:00 a.m. -
1 stop15h 20m
Sun 25/109:25 p.m. -
1 stop33h 50m
Deal found 11/9C$ 684
Fri 9/108:25 a.m. -
1 stop28h 26m
Fri 16/107:55 p.m. -
1 stop29h 50m
Deal found 9/9C$ 688
Fri 9/108:25 a.m. -
1 stop14h 15m
Fri 16/107:10 p.m. -
1 stop30h 35m
Deal found 9/9C$ 692
Tue 22/126:00 a.m. -
1 stop18h 45m
Thu 31/128:25 p.m. -
1 stop17h 05m
Deal found 9/9C$ 694
Wed 16/98:25 a.m. -
1 stop28h 44m
Mon 21/911:55 p.m. -
Nonstop6h 50m
Deal found 10/9C$ 699
Thu 22/106:00 a.m. -
1 stop15h 20m
Thu 5/118:25 p.m. -
1 stop30h 25m
Deal found 13/9C$ 700
Fri 18/98:10 p.m. -
1 stop24h 55m
Tue 29/97:25 p.m. -
Nonstop6h 20m
Deal found 10/9C$ 703
Wed 16/98:25 a.m. -
1 stop18h 35m
Fri 2/1011:55 p.m. -
Nonstop6h 50m
Deal found 9/9C$ 705
Thu 12/116:00 a.m. -
1 stop15h 15m
Tue 1/121:00 p.m. -
2 stops17h 15m
Deal found 12/9C$ 706

Find flight deals from Porto to Ontario

Round-trip from

C$ 639

One-way from

C$ 411

Popular in

August

Cheapest in

February

Average price

C$ 778

Good one-way deal

C$ 826 or less
Air Transat
  • Air Transat
  • 18/2-24/2
  • 2 total stops
  • 30h 20m total
  • Porto to Ontario
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Air Transat
  • Air Transat
  • 17/12-31/12
  • Nonstop
  • 8h 15m total
  • Porto to Ontario
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (C$ 165 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease (C$ 32 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2026
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Price to beat on a one-way flight from Porto to Ontario.
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Cheapflights Fare Finder

 
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

PortoToronto

OPO Porto - YYZ Toronto Pearson Intl

OPOYYZ

Porto

Thu 19/11

11:15 a.m.-7:15 p.m.

1 stop13h 00m

Toronto Pearson Intl

Wed 31/12

12:00 a.m.-6:00 a.m.

Nonstop0h 00m

C$ 419

PortoMontreal

OPO Porto - YUL Montreal Pierre Elliott Trudeau Intl

OPOYUL

Porto

Wed 11/11

5:00 a.m.-5:15 p.m.

1 stop17h 15m

Montreal Pierre Elliott Trudeau Intl

Wed 31/12

12:00 a.m.-6:00 a.m.

Nonstop0h 00m

C$ 427

PortoToronto

OPO Porto - YYZ Toronto Pearson Intl

OPOYYZ

Porto

Mon 9/11

6:25 a.m.-4:10 p.m.

1 stop14h 45m

Toronto Pearson Intl

Wed 31/12

12:00 a.m.-6:00 a.m.

Nonstop0h 00m

C$ 429

PortoMontreal

OPO Porto - YUL Montreal Pierre Elliott Trudeau Intl

OPOYUL

Porto

Mon 16/11

6:25 a.m.-3:20 p.m.

1 stop13h 55m

Montreal Pierre Elliott Trudeau Intl

Wed 31/12

12:00 a.m.-6:00 a.m.

Nonstop0h 00m

C$ 437

PortoMontreal

OPO Porto - YUL Montreal Pierre Elliott Trudeau Intl

OPOYUL

Porto

Mon 9/11

6:25 a.m.-3:20 p.m.

1 stop13h 55m

Montreal Pierre Elliott Trudeau Intl

Wed 31/12

12:00 a.m.-6:00 a.m.

Nonstop0h 00m

C$ 437
Quickest round-trip

PortoMontreal

OPO Porto - YUL Montreal Pierre Elliott Trudeau Intl

OPOYUL

Porto

Tue 10/11

5:55 a.m.-12:15 p.m.

1 stop11h 20m

Montreal Pierre Elliott Trudeau Intl

Wed 31/12

12:00 a.m.-6:00 a.m.

Nonstop0h 00m

C$ 437

PortoMontreal

OPO Porto - YUL Montreal Pierre Elliott Trudeau Intl

OPOYUL

Porto

Thu 19/11

5:55 a.m.-12:15 p.m.

1 stop11h 20m

Montreal Pierre Elliott Trudeau Intl

Wed 31/12

12:00 a.m.-6:00 a.m.

Nonstop0h 00m

C$ 438

PortoToronto

OPO Porto - YYZ Toronto Pearson Intl

OPOYYZ

Porto

Sun 15/11

5:00 a.m.-3:40 p.m.

1 stop15h 40m

Toronto Pearson Intl

Wed 31/12

12:00 a.m.-6:00 a.m.

Nonstop0h 00m

C$ 442

PortoToronto

OPO Porto - YYZ Toronto Pearson Intl

OPOYYZ

Porto

Wed 11/11

5:55 a.m.-3:40 p.m.

2 stops14h 45m

Toronto Pearson Intl

Wed 31/12

12:00 a.m.-6:00 a.m.

Nonstop0h 00m

C$ 448

PortoMontreal

OPO Porto - YUL Montreal Pierre Elliott Trudeau Intl

OPOYUL

Porto

Fri 13/11

5:00 a.m.-5:15 p.m.

1 stop17h 15m

Montreal Pierre Elliott Trudeau Intl

Wed 31/12

12:00 a.m.-6:00 a.m.

Nonstop0h 00m

C$ 451

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/9

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

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, February is the cheapest month in which you can book a flight from Porto to Region of Ontario (average of C$ 565). Flying from Porto to Region of Ontario in January is currently the most expensive (average of C$ 1,036). 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?

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?

Airfare is below average for this route at the moment.
Porto to Region of Ontario flights typically cost between C$ 734 and C$ 870 in February.
The cheapest round-trip price found within the last 5 days was C$ 677 on Air Transat (13 Feb-24 Feb).

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 51 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Reviews of airlines servicing Ontario

Get a feel of what it's like to fly with Air Transat 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
7.7
Good
579 reviews
Check prices

Entertainment

7.1

Overall

7.7

Comfort

7.3

Food

6.8

Boarding

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Liam,Jun 2025

GLA - YYZ

To and from Glasgow with Air Transat. Excellent flights, food, service. Nothing but praise.
Air Transat
7.7
Good
579 reviews
Air Transat
7.7
Good
579 reviews
Check prices

Entertainment

7.1

Overall

7.7

Comfort

7.3

Food

6.8

Boarding

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Liam,Jun 2025

GLA - YYZ

To and from Glasgow with Air Transat. Excellent flights, food, service. Nothing but praise.

Related info for your journey

  • 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, Air Transat can have you in Region of Ontario from Porto in 15h 40m. 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 TAP AIR PORTUGAL, with whom users have recently found tickets for as low as C$ 365. However, be on the lookout for offers from Azores Airlines and Air Transat, 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$ 655. While the most popular route (Porto - Toronto Pearson Intl) can be booked for C$ 677 on average, our data indicates C$ 964 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, February is the cheapest month in which you can book a flight from Porto to Region of Ontario (average of C$ 565). Flying from Porto to Region of Ontario in January is currently the most expensive (average of C$ 1,036). 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

Top airline flying from Porto to Ontario

AirlineCheapestAverageFlexibilityOn-time
Air TransatCheapestC$ 609AverageC$ 866FlexibilityNo cancel feeOn-time50%
Search Air Transat flights

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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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