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Cheap flights from Porto to Ontario from C$ 334

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 5/12. Fares are subject to change and may not be available on all flights or dates of travel.
OPO — YYZ
11 Oct — 18 Oct1
1 adult
1 adult, Economy

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 11 September 2025.

Round-trip from

C$ 574

One-way from

C$ 334

Popular in

March

Cheapest in

February

Average price

C$ 772

Good round-trip deal

C$ 955 or less

Good one-way deal

C$ 616 or less
Air Canada
  • Air Canada
  • 29/1-8/2
  • 3 total stops
  • 44h 47m total
  • Porto to Ontario
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Iberia
  • Iberia
  • 5/12
  • 2 total stops
  • 18h 09m total
  • Porto to Ontario
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (C$ 29 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease (C$ 34 potential savings vs. average RT price).
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Average for round-trip flights in September 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

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 11 September 2025.

Fri 19/98:40 a.m.OPO - YUL
Nonstop7h 15mAir Transat
Sat 27/97:25 p.m.YUL - OPO
Nonstop6h 20mAir Transat
Deal found 10/9C$ 567
Wed 17/98:25 a.m.OPO - YUL
Nonstop7h 15mAir Transat
Sat 27/97:25 p.m.YUL - OPO
Nonstop6h 20mAir Transat
Deal found 9/9C$ 590
Wed 17/98:25 a.m.OPO - YUL
Nonstop7h 15mAir Transat
Wed 24/96:45 a.m.YUL - OPO
1 stop24h 10mAir Transat
Deal found 9/9C$ 600
Wed 19/116:00 a.m.OPO - YYZ
1 stop15h 15mAir Canada
Sat 6/1212:00 p.m.YYZ - OPO
2 stops18h 15mAir Canada
Deal found 10/9C$ 601
Fri 21/116:00 a.m.OPO - YYZ
1 stop15h 15mLufthansa
Sun 7/126:15 p.m.YYZ - OPO
1 stop12h 25mLufthansa
Deal found 10/9C$ 603
Sat 22/116:00 a.m.OPO - YYZ
1 stop15h 15mLufthansa
Fri 5/127:45 p.m.YYZ - OPO
1 stop12h 05mLufthansa
Deal found 11/9C$ 604
Thu 11/912:30 p.m.OPO - YUL
1 stop13h 40mTAP AIR PORTUGAL
Thu 18/910:45 p.m.YUL - OPO
1 stop16h 40mTAP AIR PORTUGAL
Deal found 10/9C$ 607
Wed 8/1012:55 p.m.OPO - YYZ
1 stop27h 45mMultiple Airlines
Sun 19/108:15 p.m.YYZ - OPO
1 stop17h 00mMultiple Airlines
Deal found 9/9C$ 617
Tue 7/106:00 a.m.OPO - YUL
1 stop15h 00mMultiple Airlines
Thu 16/104:40 p.m.YUL - OPO
1 stop13h 45mMultiple Airlines
Deal found 10/9C$ 618
Fri 21/116:15 a.m.OPO - YYZ
1 stop13h 35mAir Canada
Mon 8/121:00 p.m.YYZ - OPO
2 stops17h 15mAir Canada
Deal found 11/9C$ 618
Sat 22/116:00 a.m.OPO - YYZ
1 stop15h 15mLufthansa
Sun 7/126:15 p.m.YYZ - OPO
1 stop12h 25mLufthansa
Deal found 11/9C$ 619
Fri 21/118:40 a.m.OPO - YTZ
2 stops16h 15mSWISS
Sat 6/125:30 p.m.YTZ - OPO
2 stops33h 55mSWISS
Deal found 11/9C$ 621

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 11 September 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

PortoMontreal

OPO - YUL

OPOYUL

Porto

Thu 29/1

12:05 p.m.-3:10 p.m.

1 stop32h 05m

Montreal Pierre Elliott Trudeau Intl

Sun 8/2

4:45 p.m.-11:10 a.m.

1 stop13h 25m

C$ 588

PortoToronto

OPO - YYZ

OPOYYZ

Porto

Fri 21/11

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

2 stops15h 00m

Toronto Pearson Intl

Fri 5/12

7:45 p.m.-12:50 p.m.

1 stop12h 05m

C$ 604

PortoToronto

OPO - YYZ

OPOYYZ

Porto

Fri 21/11

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

2 stops15h 00m

Toronto Pearson Intl

Sat 6/12

7:45 p.m.-12:50 p.m.

1 stop12h 05m

C$ 604

PortoToronto

OPO - YYZ

OPOYYZ

Porto

Sun 23/11

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

1 stop15h 15m

Toronto Pearson Intl

Sun 7/12

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

1 stop12h 25m

C$ 606

PortoMontreal

OPO - YUL

OPOYUL

Porto

Tue 17/2

7:25 p.m.-3:10 p.m.

1 stop24h 45m

Montreal Pierre Elliott Trudeau Intl

Fri 13/3

5:45 p.m.-11:10 a.m.

1 stop13h 25m

C$ 608

PortoToronto

OPO - YYZ

OPOYYZ

Porto

Fri 21/11

6:15 a.m.-2:50 p.m.

1 stop13h 35m

Toronto Pearson Intl

Tue 9/12

9:00 a.m.-11:15 a.m.

2 stops21h 15m

C$ 618

PortoToronto

OPO - YYZ

OPOYYZ

Porto

Mon 27/10

6:00 a.m.-5:15 p.m.

1 stop15h 15m

Toronto Pearson Intl

Mon 3/11

7:45 p.m.-12:50 p.m.

1 stop12h 05m

C$ 619

PortoToronto

OPO - YYZ

OPOYYZ

Porto

Fri 21/11

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

2 stops15h 00m

Toronto Pearson Intl

Sun 7/12

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

1 stop12h 25m

C$ 619

PortoToronto

OPO - YYZ

OPOYYZ

Porto

Sat 22/11

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

1 stop15h 15m

Toronto Pearson Intl

Sun 7/12

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

1 stop12h 25m

C$ 619

PortoToronto

OPO - YTZ

OPOYTZ

Porto

Fri 21/11

8:40 a.m.-7:55 p.m.

2 stops16h 15m

Toronto Island

Sat 6/12

5:30 p.m.-8:25 a.m.

2 stops33h 55m

C$ 621

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/9

Showing 1-10 of 60 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, January is the cheapest month in which you can book a flight from Porto to Region of Ontario (average of C$ 168). Flying from Porto to Region of Ontario in July is currently the most expensive (average of C$ 258). 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 11 September 2025.

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 11 September 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
7.7
Good
438 reviews
Check prices

Overall

7.7

Comfort

7.3

Boarding

7.9

Crew

8.4

Food

6.7

Entertainment

7.0

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
438 reviews
Air Transat
7.7
Good
438 reviews
Check prices

Overall

7.7

Comfort

7.3

Boarding

7.9

Crew

8.4

Food

6.7

Entertainment

7.0

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 Canada
7.1
Good
10,000 reviews
Air Transat
7.7
Good
438 reviews
Check prices

Overall

7.7

Comfort

7.3

Boarding

7.9

Crew

8.4

Food

6.7

Entertainment

7.0

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
7,409 reviews
Air Transat
7.7
Good
438 reviews
Check prices

Overall

7.7

Comfort

7.3

Boarding

7.9

Crew

8.4

Food

6.7

Entertainment

7.0

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$ 618, SWISS can have you in Region of Ontario from Porto in 13h 35m. 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 Iberia, with whom users have recently found tickets for as low as C$ 334. However, be on the lookout for offers from Azores Airlines 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 Island, Porto - Toronto Pearson Intl 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$ 431. While the most popular route (Porto - Toronto Island) can be booked for C$ 639 on average, our data indicates C$ 1,027 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, January is the cheapest month in which you can book a flight from Porto to Region of Ontario (average of C$ 168). Flying from Porto to Region of Ontario in July is currently the most expensive (average of C$ 258). 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 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 11 September 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapestC$ 528AverageC$ 657FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Air CanadaCheapestC$ 555AverageC$ 762FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Air TransatCheapestC$ 676AverageC$ 771FlexibilityNo 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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