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Cheap flights from Porto to Ontario from C$ 356

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 20/6. Fares are subject to change and may not be available on all flights or dates of travel.
OPO — YYZ
2 Apr — 9 Apr1
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 28 March 2025.

Round-trip from

C$ 587

One-way from

C$ 356

Popular in

March

Cheapest in

February

Average price

C$ 1,842

Good round-trip deal

C$ 756 or less

Good one-way deal

C$ 420 or less
TAP AIR PORTUGAL
  • TAP AIR PORTUGAL
  • 9/9-30/9
  • 2 total stops
  • 37h 15m total
  • Porto to Ontario
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TAP AIR PORTUGAL
  • TAP AIR PORTUGAL
  • 20/6
  • 1 total stop
  • 16h 10m total
  • Porto to Ontario
Search Deals
Highest demand for flights based on searches. 22% potential increase in price (C$ 346 potential increase over avg. RT price).
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Cheapest flight prices on average. 12% potential price decrease (C$ 133 potential savings vs. average RT price).
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Average for round-trip flights in March 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 28 March 2025.

Tue 9/94:00 p.m.OPO - YYZ
1 stop26h 55mTAP AIR PORTUGAL
Tue 30/95:40 p.m.YYZ - OPO
1 stop10h 20mTAP AIR PORTUGAL
Deal found 27/3C$ 587
Mon 19/57:20 p.m.OPO - YTZ
2 stops29h 30mMultiple Airlines
Mon 26/512:25 p.m.YTZ - OPO
2 stops18h 00mMultiple Airlines
Deal found 27/3C$ 593
Mon 12/55:30 p.m.OPO - YYZ
1 stop24h 50mKLM
Mon 19/56:15 p.m.YYZ - OPO
1 stop16h 15mKLM
Deal found 28/3C$ 600
Thu 1/58:20 p.m.OPO - YUL
1 stop25h 35mMultiple Airlines
Wed 7/57:00 p.m.YUL - OPO
1 stop32h 25mMultiple Airlines
Deal found 27/3C$ 602
Sat 17/510:40 a.m.OPO - YYZ
2 stops17h 20mBritish Airways
Mon 26/56:05 p.m.YYZ - OPO
1 stop20h 45mBritish Airways
Deal found 27/3C$ 603
Fri 16/56:00 a.m.OPO - YUL
1 stop15h 00mLufthansa
Sat 24/510:50 p.m.YUL - OPO
1 stop19h 30mLufthansa
Deal found 27/3C$ 607
Tue 11/117:30 p.m.OPO - YYZ
1 stop26h 35mSWISS
Sun 16/118:30 p.m.YYZ - OPO
1 stop33h 45mSWISS
Deal found 27/3C$ 616
Sat 15/118:40 a.m.OPO - YYZ
2 stops15h 05mAir Canada
Tue 18/118:30 p.m.YYZ - OPO
1 stop33h 45mAir Canada
Deal found 27/3C$ 625
Fri 6/68:25 p.m.OPO - YUL
1 stop25h 30mKLM
Mon 9/67:00 p.m.YUL - OPO
1 stop15h 30mKLM
Deal found 27/3C$ 635
Tue 9/98:25 a.m.OPO - YTZ
1 stop11h 10mAir Transat
Tue 30/92:45 p.m.YTZ - OPO
1 stop11h 00mAir Transat
Deal found 27/3C$ 636
Sat 17/51:30 p.m.OPO - YYZ
Nonstop7h 55mAir Transat
Mon 26/511:55 p.m.YYZ - OPO
Nonstop6h 50mAir Transat
Deal found 27/3C$ 665
Tue 9/96:00 a.m.OPO - YYZ
2 stops30h 56mUnited Airlines
Tue 30/99:00 a.m.YYZ - OPO
2 stops19h 45mUnited Airlines
Deal found 27/3C$ 679

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 28 March 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

PortoToronto

OPO - YYZ

OPOYYZ

Porto

Tue 9/9

4:00 p.m.-1:55 p.m.

1 stop26h 55m

Toronto Pearson Intl

Tue 30/9

5:40 p.m.-9:00 a.m.

1 stop10h 20m

C$ 587

PortoToronto

OPO - YTZ

OPOYTZ

Porto

Mon 19/5

7:20 p.m.-7:50 p.m.

2 stops29h 30m

Toronto Island

Mon 26/5

12:25 p.m.-11:25 a.m.

2 stops18h 00m

C$ 593

PortoToronto

OPO - YYZ

OPOYYZ

Porto

Mon 12/5

5:30 p.m.-1:20 p.m.

1 stop24h 50m

Toronto Pearson Intl

Mon 19/5

6:15 p.m.-3:30 p.m.

1 stop16h 15m

C$ 600

PortoMontreal

OPO - YUL

OPOYUL

Porto

Thu 1/5

8:20 p.m.-4:55 p.m.

1 stop25h 35m

Montreal Pierre Elliott Trudeau Intl

Wed 7/5

7:00 p.m.-8:25 a.m.

1 stop32h 25m

C$ 602

PortoToronto

OPO - YYZ

OPOYYZ

Porto

Sat 17/5

10:40 a.m.-11:00 p.m.

2 stops17h 20m

Toronto Pearson Intl

Mon 26/5

6:05 p.m.-7:50 p.m.

1 stop20h 45m

C$ 603

PortoMontreal

OPO - YUL

OPOYUL

Porto

Fri 16/5

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

1 stop15h 00m

Montreal Pierre Elliott Trudeau Intl

Sat 24/5

10:50 p.m.-11:20 p.m.

1 stop19h 30m

C$ 607

PortoMontreal

OPO - YUL

OPOYUL

Porto

Fri 6/6

8:25 p.m.-4:55 p.m.

1 stop25h 30m

Montreal Pierre Elliott Trudeau Intl

Mon 9/6

7:00 p.m.-3:30 p.m.

1 stop15h 30m

C$ 635

PortoToronto

OPO - YTZ

OPOYTZ

Porto

Tue 9/9

8:25 a.m.-2:35 p.m.

1 stop11h 10m

Toronto Island

Tue 30/9

2:45 p.m.-6:45 a.m.

1 stop11h 00m

C$ 636

PortoToronto

OPO - YYZ

OPOYYZ

Porto

Sat 17/5

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

Nonstop7h 55m

Toronto Pearson Intl

Mon 26/5

11:55 p.m.-11:45 a.m.

Nonstop6h 50m

C$ 665

PortoToronto

OPO - YYZ

OPOYYZ

Porto

Tue 9/9

6:00 a.m.-7:56 a.m.

2 stops30h 56m

Toronto Pearson Intl

Tue 30/9

9:00 a.m.-9:45 a.m.

2 stops19h 45m

C$ 679

Flights are sorted by cheapest round-trip flights first.

Deals found on 27/3

Showing 1-10 of 51 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$ 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 28 March 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.

Rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Region of Ontario ranges from 51.0 - 83.0 mm per month. June is typically the wettest month, when rainfall can reach 83.0 mm. February is typically the driest time to visit Region of Ontario when rainfall is around 51.0 mm.

Temperature in Ontario by month

Plan your trip to Ontario by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Region of Ontario, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -6.0 C).

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 28 March 2025.
Get a feel of what it's like to fly with Delta, KLM and Air Transat from Porto to Ontario by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,896 reviews
Check prices

Crew

8.5

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Nanette,Sep 2023

TPA - BOS

Although I adhered to 17.7 lbs for carry-on and complied with dimensions of personal item for ITA, I felt very restricted compared to other travelers.
Delta
8.0
Very good
7,896 reviews
Delta
8.0
Very good
7,896 reviews
Check prices

Crew

8.5

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Nanette,Sep 2023

TPA - BOS

Although I adhered to 17.7 lbs for carry-on and complied with dimensions of personal item for ITA, I felt very restricted compared to other travelers.
KLM
7.8
Good
1,321 reviews
Delta
8.0
Very good
7,896 reviews
Check prices

Crew

8.5

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Nanette,Sep 2023

TPA - BOS

Although I adhered to 17.7 lbs for carry-on and complied with dimensions of personal item for ITA, I felt very restricted compared to other travelers.
Air Transat
7.8
Good
381 reviews
Delta
8.0
Very good
7,896 reviews
Check prices

Crew

8.5

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Nanette,Sep 2023

TPA - BOS

Although I adhered to 17.7 lbs for carry-on and complied with dimensions of personal item for ITA, I felt very restricted compared to other travelers.
Azores Airlines
7.6
Good
63 reviews
Delta
8.0
Very good
7,896 reviews
Check prices

Crew

8.5

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Nanette,Sep 2023

TPA - BOS

Although I adhered to 17.7 lbs for carry-on and complied with dimensions of personal item for ITA, I felt very restricted compared to other travelers.
Austrian Airlines
7.5
Good
769 reviews
Delta
8.0
Very good
7,896 reviews
Check prices

Crew

8.5

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Nanette,Sep 2023

TPA - BOS

Although I adhered to 17.7 lbs for carry-on and complied with dimensions of personal item for ITA, I felt very restricted compared to other travelers.

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 TAP AIR PORTUGAL, with whom users have recently found tickets for as low as C$ 356. 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$ 404. While the most popular route (Porto - Toronto Pearson Intl) can be booked for C$ 602 on average our data indicates C$ 664 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$ 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 28 March 2025.
AirlineCheapestAverageFlexibilityOn-time
TAP AIR PORTUGALCheapestC$ 509AverageC$ 730FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
Air TransatCheapestC$ 720AverageC$ 854FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Azores AirlinesCheapestC$ 750AverageC$ 1,100FlexibilityNo cancel feeOn-time74%
Search Azores Airlines 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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