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Cheap flights from Porto to Ontario from C$ 361

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 16/10. Fares are subject to change and may not be available on all flights or dates of travel.
OPO — YYZ
8 Jul — 15 Jul1
1 adult

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 3 July 2025.

Round-trip from

C$ 568

One-way from

C$ 365

Popular in

March

Cheapest in

February

Average price

C$ 775

Good round-trip deal

C$ 876 or less

Good one-way deal

C$ 474 or less
Lufthansa
  • Lufthansa
  • 17/9-24/9
  • 1 total stop
  • 21h 30m total
  • Porto to Ontario
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Air Transat
  • Air Transat
  • 9/9
  • Nonstop
  • 7h 15m total
  • Porto to Ontario
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (C$ 60 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease (C$ 44 potential savings vs. average RT price).
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Average for round-trip flights in July 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 3 July 2025.

Wed 17/96:00 a.m.OPO - YUL
1 stop15h 00mLufthansa
Wed 24/99:50 p.m.YUL - OPO
Nonstop6h 30mLufthansa
Deal found 1/7C$ 568
Tue 23/96:00 a.m.OPO - YUL
2 stops19h 53mAir Canada
Wed 1/104:40 p.m.YUL - OPO
1 stop20h 50mAir Canada
Deal found 3/7C$ 606
Thu 28/86:15 a.m.OPO - YUL
1 stop17h 35mMultiple Airlines
Wed 3/94:40 p.m.YUL - OPO
1 stop13h 45mMultiple Airlines
Deal found 2/7C$ 609
Thu 28/88:40 a.m.OPO - YUL
2 stops17h 15mSWISS
Wed 3/94:40 p.m.YUL - OPO
1 stop13h 45mSWISS
Deal found 2/7C$ 631
Mon 15/912:10 p.m.OPO - YUL
2 stops28h 18mUnited Airlines
Mon 22/92:20 p.m.YUL - OPO
2 stops14h 25mUnited Airlines
Deal found 2/7C$ 665
Wed 24/98:25 a.m.OPO - YUL
Nonstop7h 15mAir Transat
Sun 5/106:00 p.m.YUL - OPO
1 stop12h 45mAir Transat
Deal found 3/7C$ 673
Tue 23/96:00 a.m.OPO - YOW
2 stops22h 04mAir Canada
Thu 2/102:48 p.m.YOW - OPO
1 stop13h 57mAir Canada
Deal found 3/7C$ 683
Thu 23/101:30 p.m.OPO - YYZ
Nonstop7h 55mAir Transat
Wed 5/117:10 p.m.YYZ - OPO
Nonstop6h 55mAir Transat
Deal found 2/7C$ 683
Thu 28/812:10 p.m.OPO - YYZ
2 stops14h 15mAir Canada
Sat 27/94:30 p.m.YYZ - OPO
1 stop12h 05mAir Canada
Deal found 2/7C$ 686
Tue 23/912:50 p.m.OPO - YOW
1 stop14h 14mLufthansa
Fri 3/101:55 p.m.YOW - OPO
2 stops27h 50mLufthansa
Deal found 3/7C$ 687
Wed 24/910:00 a.m.OPO - YUL
1 stop15h 45mTAP AIR PORTUGAL
Thu 2/1010:45 p.m.YUL - OPO
1 stop19h 15mTAP AIR PORTUGAL
Deal found 2/7C$ 691
Fri 24/108:15 a.m.OPO - YYZ
2 stops18h 15mAmerican Airlines
Tue 4/113:50 p.m.YYZ - OPO
2 stops14h 55mAmerican Airlines
Deal found 2/7C$ 691

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 3 July 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

Wed 17/9

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

1 stop15h 00m

Montreal Pierre Elliott Trudeau Intl

Wed 24/9

9:50 p.m.-9:20 a.m.

Nonstop6h 30m

C$ 568

PortoMontreal

OPO - YUL

OPOYUL

Porto

Tue 23/9

6:00 a.m.-8:53 p.m.

2 stops19h 53m

Montreal Pierre Elliott Trudeau Intl

Wed 1/10

4:40 p.m.-6:30 p.m.

1 stop20h 50m

C$ 606

PortoMontreal

OPO - YUL

OPOYUL

Porto

Thu 28/8

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

1 stop17h 35m

Montreal Pierre Elliott Trudeau Intl

Wed 3/9

4:40 p.m.-11:25 a.m.

1 stop13h 45m

C$ 609

PortoMontreal

OPO - YUL

OPOYUL

Porto

Thu 28/8

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

2 stops17h 15m

Montreal Pierre Elliott Trudeau Intl

Wed 3/9

4:40 p.m.-11:25 a.m.

1 stop13h 45m

C$ 631

PortoMontreal

OPO - YUL

OPOYUL

Porto

Mon 15/9

12:10 p.m.-11:28 a.m.

2 stops28h 18m

Montreal Pierre Elliott Trudeau Intl

Mon 22/9

2:20 p.m.-9:45 a.m.

2 stops14h 25m

C$ 665

PortoMontreal

OPO - YUL

OPOYUL

Porto

Wed 24/9

8:25 a.m.-10:40 a.m.

Nonstop7h 15m

Montreal Pierre Elliott Trudeau Intl

Sun 5/10

6:00 p.m.-11:45 a.m.

1 stop12h 45m

C$ 673

PortoOttawa

OPO - YOW

OPOYOW

Porto

Tue 23/9

6:00 a.m.-11:04 p.m.

2 stops22h 04m

Ottawa

Thu 2/10

2:48 p.m.-9:45 a.m.

1 stop13h 57m

C$ 683

PortoToronto

OPO - YYZ

OPOYYZ

Porto

Thu 23/10

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

Nonstop7h 55m

Toronto Pearson Intl

Wed 5/11

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

Nonstop6h 55m

C$ 683

PortoToronto

OPO - YYZ

OPOYYZ

Porto

Thu 28/8

12:10 p.m.-9:25 p.m.

2 stops14h 15m

Toronto Pearson Intl

Sat 27/9

4:30 p.m.-9:35 a.m.

1 stop12h 05m

C$ 686

PortoOttawa

OPO - YOW

OPOYOW

Porto

Tue 23/9

12:50 p.m.-10:04 p.m.

1 stop14h 14m

Ottawa

Fri 3/10

1:55 p.m.-10:45 p.m.

2 stops27h 50m

C$ 687

Flights are sorted by cheapest round-trip flights first.

Deals found on 30/6

Showing 1-10 of 45 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$ 167). Flying from Porto to Region of Ontario in July is currently the most expensive (average of C$ 255). 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 3 July 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 3 July 2025.
Get a feel of what it's like to fly with Air Transat,Azores Airlines, andSWISS 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
407 reviews
Check prices

Boarding

7.9

Entertainment

7.1

Comfort

7.4

Food

6.8

Overall

7.8

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
407 reviews
Air Transat
7.8
Good
407 reviews
Check prices

Boarding

7.9

Entertainment

7.1

Comfort

7.4

Food

6.8

Overall

7.8

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.
Azores Airlines
7.6
Good
66 reviews
Air Transat
7.8
Good
407 reviews
Check prices

Boarding

7.9

Entertainment

7.1

Comfort

7.4

Food

6.8

Overall

7.8

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.
SWISS
7.5
Good
1,654 reviews
Air Transat
7.8
Good
407 reviews
Check prices

Boarding

7.9

Entertainment

7.1

Comfort

7.4

Food

6.8

Overall

7.8

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.
United Airlines
7.4
Good
8,861 reviews
Air Transat
7.8
Good
407 reviews
Check prices

Boarding

7.9

Entertainment

7.1

Comfort

7.4

Food

6.8

Overall

7.8

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.
American Airlines
7.2
Good
10,000 reviews
Air Transat
7.8
Good
407 reviews
Check prices

Boarding

7.9

Entertainment

7.1

Comfort

7.4

Food

6.8

Overall

7.8

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.

  • What are the cheapest airlines to fly from Porto to Region of Ontario one-way?

    The cheapest airline one-way is Air Transat, with whom users have recently found tickets for as low as C$ 365. However, be on the lookout for offers from TAP AIR PORTUGAL and Azores Airlines, 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 - Montreal Pierre Elliott Trudeau 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$ 363. While the most popular route (Porto - Toronto Pearson Intl) can be booked for C$ 559 on average our data indicates C$ 756 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$ 167). Flying from Porto to Region of Ontario in July is currently the most expensive (average of C$ 255). 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 3 July 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 546AverageC$ 778FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Air TransatCheapestC$ 679AverageC$ 797FlexibilityNo cancel feeOn-time50%
Search Air Transat flights

Fly with Cheapflights

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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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