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Cheap flights from Porto to Ontario from C$ 339

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 9/9. Fares are subject to change and may not be available on all flights or dates of travel.
OPO — YYZ
13 Sep — 20 Sep1
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 14 August 2026.

Thu 8/108:40 p.m. -
1 stop23h 20m
Fri 16/105:10 p.m. -
1 stop21h 50m
Deal found 12/8C$ 575
Wed 21/108:20 a.m. -
2 stops20h 09m
Wed 28/1011:20 p.m. -
1 stop13h 30m
Deal found 10/8C$ 603
Tue 20/108:55 p.m. -
1 stop28h 15m
Tue 27/1011:20 p.m. -
1 stop14h 30m
Deal found 10/8C$ 618
Tue 27/108:40 p.m. -
2 stops30h 49m
Wed 4/1110:20 p.m. -
1 stop13h 30m
Deal found 11/8C$ 620
Fri 11/98:25 a.m. -
Nonstop7h 15m
Thu 17/97:25 p.m. -
Nonstop6h 20m
Deal found 11/8C$ 633
Tue 11/81:30 p.m. -
1 stop10h 50m
Mon 17/87:25 p.m. -
Nonstop6h 20m
Deal found 10/8C$ 638
Wed 28/106:40 p.m. -
1 stop30h 35m
Tue 3/1110:20 p.m. -
1 stop14h 30m
Deal found 12/8C$ 638
Tue 1/127:00 a.m. -
1 stop13h 20m
Tue 8/125:30 p.m. -
1 stop15h 00m
Deal found 12/8C$ 642
Tue 1/128:40 p.m. -
2 stops24h 10m
Tue 8/126:05 p.m. -
1 stop18h 45m
Deal found 12/8C$ 643
Wed 26/88:25 a.m. -
Nonstop7h 15m
Sun 30/85:00 p.m. -
1 stop13h 45m
Deal found 10/8C$ 645
Wed 21/108:20 a.m. -
1 stop11h 40m
Wed 28/1011:20 p.m. -
1 stop13h 30m
Deal found 10/8C$ 645
Fri 11/98:25 a.m. -
1 stop28h 26m
Sun 20/97:55 p.m. -
1 stop29h 50m
Deal found 13/8C$ 672

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 14 August 2026.

Round-trip from

C$ 575

One-way from

C$ 339

Popular in

August

Cheapest in

February

Average price

C$ 986

Good one-way deal

C$ 650 or less
8/10-16/10
  • 8/10-16/10
  • 2 total stops
  • 45h 10m total
  • Porto to Ontario
Search Deals
9/9
  • 9/9
  • 3 total stops
  • 40h 05m 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$ 31 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2026
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 14 August 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

PortoToronto

OPO Porto - YYZ Toronto Pearson Intl

OPOYYZ

Porto

Thu 8/10

8:40 p.m.-3:00 p.m.

1 stop23h 20m

Toronto Pearson Intl

Fri 16/10

5:10 p.m.-8:00 p.m.

1 stop21h 50m

C$ 575

PortoToronto

OPO Porto - YYZ Toronto Pearson Intl

OPOYYZ

Porto

Thu 1/10

7:55 p.m.-6:35 p.m.

2 stops27h 40m

Toronto Pearson Intl

Wed 7/10

10:00 p.m.-7:05 p.m.

1 stop16h 05m

C$ 678
Quickest round-trip

PortoToronto

OPO Porto - YYZ Toronto Pearson Intl

OPOYYZ

Porto

Fri 11/9

8:25 a.m.-4:19 p.m.

1 stop12h 54m

Toronto Pearson Intl

Wed 16/9

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

Nonstop7h 00m

C$ 711

PortoMontreal

OPO Porto - YUL Montreal Pierre Elliott Trudeau Intl

OPOYUL

Porto

Tue 1/9

12:15 p.m.-2:20 p.m.

Nonstop7h 05m

Montreal Pierre Elliott Trudeau Intl

Tue 20/10

8:40 p.m.-11:25 p.m.

1 stop21h 45m

C$ 738

PortoMontreal

OPO Porto - YUL Montreal Pierre Elliott Trudeau Intl

OPOYUL

Porto

Thu 17/9

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

1 stop15h 00m

Montreal Pierre Elliott Trudeau Intl

Mon 21/9

9:10 a.m.-9:45 a.m.

2 stops19h 35m

C$ 750

PortoToronto

OPO Porto - YTZ Toronto Island

OPOYTZ

Porto

Thu 10/9

11:50 a.m.-9:30 p.m.

1 stop14h 40m

Toronto Island

Wed 16/9

8:20 a.m.-7:00 a.m.

2 stops17h 40m

C$ 757

PortoToronto

OPO Porto - YTZ Toronto Island

OPOYTZ

Porto

Wed 14/10

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

2 stops33h 07m

Toronto Island

Sun 18/10

7:25 p.m.-9:45 a.m.

2 stops33h 20m

C$ 758

PortoToronto

OPO Porto - YTZ Toronto Island

OPOYTZ

Porto

Wed 18/11

12:35 p.m.-10:06 a.m.

2 stops26h 31m

Toronto Island

Sun 22/11

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

2 stops40h 20m

C$ 758

PortoToronto

OPO Porto - YTZ Toronto Island

OPOYTZ

Porto

Thu 29/10

6:00 a.m.-10:06 a.m.

2 stops32h 06m

Toronto Island

Mon 2/11

7:20 p.m.-9:30 a.m.

2 stops33h 10m

C$ 758

PortoToronto

OPO Porto - YYZ Toronto Pearson Intl

OPOYYZ

Porto

Mon 5/10

6:00 a.m.-10:04 a.m.

2 stops33h 04m

Toronto Pearson Intl

Mon 12/10

8:50 a.m.-9:45 a.m.

2 stops19h 55m

C$ 771

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/8

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

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$ 567). Flying from Porto to Region of Ontario in August is currently the most expensive (average of C$ 1,054). 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 14 August 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?

Airfare is below average for this route at the moment.
Porto to Region of Ontario flights typically cost between C$ 801 and C$ 1,381 in October.
The cheapest round-trip price found within the last 5 days was C$ 575 on Multiple Airlines (8 Oct-16 Oct).

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 67 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 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 14 August 2026.
Get a feel of what it's like to fly with Air Transat and Lufthansa 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
572 reviews
Check prices

Food

6.8

Entertainment

7.1

Overall

7.8

Comfort

7.3

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
7.8
Good
572 reviews
Air Transat
7.8
Good
572 reviews
Check prices

Food

6.8

Entertainment

7.1

Overall

7.8

Comfort

7.3

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.
Lufthansa
6.8
Okay
8,194 reviews
Air Transat
7.8
Good
572 reviews
Check prices

Food

6.8

Entertainment

7.1

Overall

7.8

Comfort

7.3

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

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$ 738, British Airways can have you in Region of Ontario from Porto in 7h 05m. 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$ 389. However, be on the lookout for offers from TAP AIR PORTUGAL 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$ 553. While the most popular route (Porto - Toronto Pearson Intl) can be booked for C$ 575 on average, our data indicates C$ 652 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$ 567). Flying from Porto to Region of Ontario in August is currently the most expensive (average of C$ 1,054). 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 14 August 2026.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapestC$ 562AverageC$ 608FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Air TransatCheapestC$ 610AverageC$ 909FlexibilityNo 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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