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Cheap flights from Ontario to Porto from C$ 389

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 30/1. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — OPO
17 Jan — 24 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ontario to Porto

Enter your travel dates to find the best prices.

Cheapest flights from Ontario to Porto
Explore the most affordable flight options available from Ontario to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 December 2025.

Fri 26/127:10 p.m.YYZ - OPO
Nonstop6h 55mAir Transat
Sat 7/28:50 a.m.OPO - YYZ
Nonstop8h 15mAir Transat
Deal found 17/12C$ 871
Fri 26/127:10 p.m.YYZ - OPO
Nonstop6h 55mAir Transat
Sat 24/18:50 a.m.OPO - YYZ
Nonstop8h 15mAir Transat
Deal found 16/12C$ 959
Tue 30/127:45 p.m.YYZ - OPO
1 stop12h 05mMultiple Airlines
Tue 27/112:05 p.m.OPO - YYZ
1 stop33h 20mMultiple Airlines
Deal found 16/12C$ 967
Tue 30/127:45 p.m.YYZ - OPO
1 stop12h 05mAir Canada
Tue 10/312:35 p.m.OPO - YYZ
1 stop12h 49mAir Canada
Deal found 16/12C$ 1,071
Fri 26/127:10 p.m.YYZ - OPO
Nonstop6h 55mAir Transat
Sat 10/18:50 a.m.OPO - YYZ
Nonstop8h 15mAir Transat
Deal found 17/12C$ 1,099
Tue 30/127:45 p.m.YYZ - OPO
1 stop12h 05mLufthansa
Tue 27/16:00 a.m.OPO - YYZ
2 stops20h 10mLufthansa
Deal found 16/12C$ 1,128
Wed 24/127:10 p.m.YYZ - OPO
Nonstop6h 55mPorter Airlines
Sat 27/128:50 a.m.OPO - YYZ
Nonstop8h 15mPorter Airlines
Deal found 16/12C$ 1,141
Fri 26/127:10 p.m.YYZ - OPO
Nonstop6h 55mMultiple Airlines
Sat 24/18:00 p.m.OPO - YYZ
1 stop23h 25mMultiple Airlines
Deal found 16/12C$ 1,146
Fri 26/127:10 p.m.YYZ - OPO
Nonstop6h 55mPorter Airlines
Sat 10/18:50 a.m.OPO - YYZ
Nonstop8h 15mPorter Airlines
Deal found 16/12C$ 1,200
Fri 26/1210:45 p.m.YYZ - OPO
1 stop14h 15mTAP AIR PORTUGAL
Sat 7/26:55 a.m.OPO - YYZ
1 stop12h 45mTAP AIR PORTUGAL
Deal found 17/12C$ 1,211
Fri 26/127:10 p.m.YYZ - OPO
Nonstop6h 55mMultiple Airlines
Sat 7/26:55 a.m.OPO - YYZ
1 stop12h 45mMultiple Airlines
Deal found 17/12C$ 1,246
Mon 29/1210:45 p.m.YYZ - OPO
1 stop13h 15mTAP AIR PORTUGAL
Sun 11/15:00 a.m.OPO - YYZ
1 stop14h 25mTAP AIR PORTUGAL
Deal found 15/12C$ 1,273

Find flight deals from Ontario to Porto

Keep the following information in mind while searching for Ontario to Porto flight deals. Data was last updated 18 December 2025.

Round-trip from

C$ 616

One-way from

C$ 389

Popular in

December

Cheapest in

January

Average price

C$ 1,602

Good round-trip deal

C$ 690 or less

Good one-way deal

C$ 451 or less
Air Transat
  • Air Transat
  • 9/1-28/2
  • Nonstop
  • 15h 10m total
  • Ontario to Porto
Search Deals
30/1
  • 30/1
  • 1 total stop
  • 29h 45m total
  • Ontario to Porto
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (C$ 82 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease (C$ 88 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Ontario to Porto.
Search Deals
Price to beat on a one-way flight from Ontario to Porto.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Porto 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 18 December 2025.
Use the filters below to find and compare flights from Ontario to Porto that are best for you.

Fly from

Ontario

Fly to

Porto

Route

Depart

Return

Price

MontrealPorto

YUL - OPO

YULOPO

Montreal Pierre Elliott Trudeau Intl

Mon 12/1

6:45 p.m.-12:05 p.m.

1 stop12h 20m

Porto

Mon 19/1

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

1 stop32h 05m

C$ 685

TorontoPorto

YYZ - OPO

YYZOPO

Toronto Pearson Intl

Fri 5/6

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

Nonstop6h 50m

Porto

Tue 16/6

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

Nonstop7h 55m

C$ 692

TorontoPorto

YYZ - OPO

YYZOPO

Toronto Pearson Intl

Mon 1/6

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

Nonstop6h 50m

Porto

Thu 18/6

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

Nonstop7h 55m

C$ 693

TorontoPorto

YYZ - OPO

YYZOPO

Toronto Pearson Intl

Fri 1/5

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

Nonstop6h 50m

Porto

Sat 16/5

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

Nonstop7h 55m

C$ 693

TorontoPorto

YYZ - OPO

YYZOPO

Toronto Pearson Intl

Wed 3/6

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

Nonstop6h 50m

Porto

Wed 17/6

8:25 a.m.-5:40 p.m.

1 stop14h 15m

C$ 696

TorontoPorto

YYZ - OPO

YYZOPO

Toronto Pearson Intl

Fri 5/6

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

Nonstop6h 50m

Porto

Wed 17/6

8:25 a.m.-5:40 p.m.

1 stop14h 15m

C$ 696

MontrealPorto

YUL - OPO

YULOPO

Montreal Pierre Elliott Trudeau Intl

Sun 25/1

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

1 stop13h 25m

Porto

Fri 30/1

8:40 a.m.-3:35 p.m.

1 stop11h 55m

C$ 714

MontrealPorto

YUL - OPO

YULOPO

Montreal Pierre Elliott Trudeau Intl

Mon 26/1

4:45 p.m.-11:15 a.m.

1 stop13h 30m

Porto

Fri 30/1

8:40 a.m.-3:35 p.m.

1 stop11h 55m

C$ 714

TorontoPorto

YYZ - OPO

YYZOPO

Toronto Pearson Intl

Sun 7/6

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

Nonstop6h 50m

Porto

Tue 16/6

8:25 a.m.-7:16 p.m.

1 stop15h 51m

C$ 716

TorontoPorto

YTZ - OPO

YTZOPO

Toronto Island

Sun 8/3

8:50 a.m.-9:30 a.m.

2 stops20h 40m

Porto

Thu 12/3

12:35 p.m.-9:20 p.m.

2 stops36h 45m

C$ 719

Flights are sorted by cheapest round-trip flights first.

Deals found on 16/12

Showing 1-10 of 60 results
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Best time to book a flight from Ontario to Porto

Have a flexible travel schedule? Discover the best time to fly to Porto from Ontario 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 Ontario to Porto

What is the cheapest month to book a flight from Region of Ontario to Porto?

Currently, October is the cheapest month in which you can book a flight from Region of Ontario to Porto (average of C$ 456). Flying from Region of Ontario to Porto in July is currently the most expensive (average of C$ 851). 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 ON to OPO?

Find hourly flight availability from Ontario to Porto. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 18 December 2025.

One of the essential ways to save on airfare from Region of Ontario to Porto is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the evening could potentially save you up to 24% on airfare.

What is the cheapest day to fly from Region of Ontario to Porto?

Use this chart to determine the cheapest time to fly round-trip from Ontario to Porto. Price data was last updated on 16 December 2024.

Travelers seeking maximum savings on their Region of Ontario to Porto flight should consider departing on Wednesday mornings when fares are most often at their lowest. Thursday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

How much does it cost to fly round-trip from Region of Ontario to Porto?

Related info for your journey

Find useful and relevant information for your journey from Ontario to Porto. 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 into for flights to Porto from Ontario?

    Most people fly into Porto (OPO) if they book a flight to Porto from Ontario. Porto is conveniently located just 10.9 km from Porto’s city centre.

  • How long is the flight from Region of Ontario to Porto?

    Departing from Region of Ontario to Porto will take you 6h 50m. There are 5638 km between Region of Ontario and Porto. 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 Region of Ontario to Porto one-way?

    The cheapest airline one-way is Azores Airlines, with whom users have recently found tickets for as low as C$ 308. However, be on the lookout for offers from Air Transat and Porter Airlines, as they are both options that can get you from Region of Ontario to Porto for a low price.

  • What are the most popular routes from Region of Ontario to Porto?

    The most popular flight routes from Region of Ontario to Porto are Montreal Pierre Elliott Trudeau Intl - Porto, Toronto Pearson Intl - Porto and Toronto Island - Porto.

  • What are the cheapest flights from Region of Ontario to Porto?

    Looking for the cheapest flight from Region of Ontario to Porto? While on average our users pay C$ 738, our data indicates the cheapest price to be C$ 173. The most popular route (Montreal Pierre Elliott Trudeau Intl - Porto), is priced around C$ 674.

  • Can I find deals for flights from Ontario to Porto that include hotel bookings?

    Yes. In addition to deals on Ontario to Porto flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Porto?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Porto.

  • Can I find deals for business class flights from Ontario to Porto?

    Yes. Cheapflights offers flight deals from Ontario to Porto 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 Region of Ontario to Porto?

    Currently, October is the cheapest month in which you can book a flight from Region of Ontario to Porto (average of C$ 456). Flying from Region of Ontario to Porto in July is currently the most expensive (average of C$ 851). 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

Travelling to a place near Porto?

Book flights to Porto if you plan to visit one of these locations
Aveiro
Esposende

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Alternative routes for Ontario to Porto

See prices for flight routes from nearby airports that may be better suited for you.
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Top 9 airlines flying from Ontario to Porto

Discover the top 9 airlines that operate flights from Ontario to Porto. 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 18 December 2025.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapestC$ 414AverageC$ 547FlexibilityNo cancel feeOn-time77%
Search Iberia flights
American AirlinesCheapestC$ 456AverageC$ 457FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
TAP AIR PORTUGALCheapestC$ 576AverageC$ 814FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
Porter AirlinesCheapestC$ 623AverageC$ 968FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
LufthansaCheapestC$ 642AverageC$ 1,062FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Air TransatCheapestC$ 676AverageC$ 1,001FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Azores AirlinesCheapestC$ 701AverageC$ 932FlexibilityNo cancel feeOn-time74%
Search Azores Airlines flights
KLMCheapestC$ 793AverageC$ 905FlexibilityNo cancel feeOn-time75%
Search KLM flights
Air CanadaCheapestC$ 809AverageC$ 1,032FlexibilityNo cancel feeOn-time67%
Search Air Canada 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 Ontario to Porto?

When you search for this flight from Ontario to Porto, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Ontario to Porto?

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 Ontario to Porto.

Can Cheapflights find flights from Ontario to Porto with no change fees?

Need flexible booking options for your flight to Porto from Ontario? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Ontario to Porto become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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