Find flights
Deals
When to book
FAQs

Cheap flights from Ontario to Portugal 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 15/6. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — LIS
30 May — 6 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ontario to Portugal

Enter your travel dates to find the best prices.

Cheapest flights from Ontario to Portugal
Explore the most affordable flight options available from Ontario to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 April 2026.

Sun 14/66:45 a.m.
YUL
-
PDL
1 stop21h 25m
WestJet
Sat 27/611:30 a.m.
PDL
-
YUL
1 stop9h 15m
WestJet
Deal found 26/4C$ 695
Sun 14/66:45 a.m.
YUL
-
PDL
1 stop21h 25m
WestJet
Tue 23/610:30 a.m.
PDL
-
YUL
1 stop10h 15m
WestJet
Deal found 25/4C$ 702
Fri 2/1010:25 p.m.
YYZ
-
LIS
1 stop14h 15m
Royal Air Maroc
Thu 22/106:40 p.m.
LIS
-
YYZ
1 stop30h 30m
Royal Air Maroc
Deal found 24/4C$ 743
Mon 15/65:45 p.m.
YUL
-
PDL
1 stop11h 20m
WestJet
Sat 27/611:30 a.m.
PDL
-
YUL
1 stop9h 15m
WestJet
Deal found 26/4C$ 744
Mon 15/69:30 p.m.
YUL
-
PDL
Nonstop5h 20m
Multiple Airlines
Mon 22/69:35 a.m.
PDL
-
YUL
1 stop11h 10m
Multiple Airlines
Deal found 29/4C$ 746
Sun 4/1010:25 p.m.
YYZ
-
LIS
1 stop14h 15m
Royal Air Maroc
Tue 27/105:55 p.m.
LIS
-
YYZ
1 stop30h 15m
Royal Air Maroc
Deal found 29/4C$ 746
Tue 9/69:30 p.m.
YUL
-
PDL
Nonstop5h 20m
Multiple Airlines
Sat 13/611:30 a.m.
PDL
-
YUL
1 stop16h 55m
Multiple Airlines
Deal found 27/4C$ 747
Sun 11/1010:25 p.m.
YYZ
-
LIS
1 stop14h 15m
Royal Air Maroc
Thu 15/106:40 p.m.
LIS
-
YYZ
1 stop30h 30m
Royal Air Maroc
Deal found 29/4C$ 748
Mon 8/68:45 p.m.
YYZ
-
PDL
Nonstop5h 55m
Multiple Airlines
Tue 16/610:30 a.m.
PDL
-
YYZ
Nonstop6h 35m
Multiple Airlines
Deal found 25/4C$ 751
Mon 13/75:45 p.m.
YUL
-
PDL
1 stop11h 20m
WestJet
Thu 23/79:30 a.m.
PDL
-
YUL
1 stop11h 15m
WestJet
Deal found 28/4C$ 754
Wed 10/68:45 p.m.
YYZ
-
PDL
Nonstop5h 55m
Multiple Airlines
Tue 16/610:30 a.m.
PDL
-
YYZ
Nonstop6h 35m
Multiple Airlines
Deal found 27/4C$ 754
Mon 15/66:45 a.m.
YUL
-
PDL
1 stop22h 20m
WestJet
Mon 29/69:35 a.m.
PDL
-
YUL
1 stop11h 10m
WestJet
Deal found 26/4C$ 755

Find flight deals from Ontario to Portugal

Keep the following information in mind while searching for Ontario to Portugal flight deals. Data was last updated 30 April 2026.

Round-trip from

C$ 695

One-way from

C$ 356

Popular in

July

Cheapest in

January

Average price

C$ 829

Good round-trip deal

C$ 769 or less

Good one-way deal

C$ 392 or less
WestJet
  • WestJet
  • 14/6-27/6
  • 2 total stops
  • 30h 40m total
  • Ontario to Portugal
Search Deals
WestJet
  • WestJet
  • 15/6
  • Nonstop
  • 5h 45m total
  • Ontario to Portugal
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (C$ 179 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 29 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals
Price to beat on a round-trip flight from Ontario to Portugal.
Search Deals
Price to beat on a one-way flight from Ontario to Portugal.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Portugal 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 30 April 2026.
Use the filters below to find and compare flights from Ontario to Portugal that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MontrealLisbon

YUL - LIS

YULLIS

Montreal Pierre Elliott Trudeau Intl

Mon 1/6

5:00 p.m.-8:50 a.m.

1 stop10h 50m

Lisbon Humberto Delgado

Tue 9/6

5:00 a.m.-4:55 p.m.

1 stop16h 55m

C$ 789

TorontoLisbon

YTZ - LIS

YTZLIS

Toronto Island

Tue 26/5

4:00 p.m.-6:30 a.m.

1 stop9h 30m

Lisbon Humberto Delgado

Mon 15/6

8:15 a.m.-2:15 p.m.

1 stop11h 00m

C$ 818

MontrealPorto

YUL - OPO

YULOPO

Montreal Pierre Elliott Trudeau Intl

Sun 7/6

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

1 stop19h 45m

Porto

Thu 11/6

1:30 p.m.-12:37 a.m.

1 stop16h 07m

C$ 822

MontrealPorto

YUL - OPO

YULOPO

Montreal Pierre Elliott Trudeau Intl

Wed 30/9

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

Nonstop6h 40m

Porto

Wed 21/10

12:45 p.m.-3:35 p.m.

Nonstop7h 50m

C$ 824

TorontoLisbon

YYZ - LIS

YYZLIS

Toronto Pearson Intl

Sun 17/5

9:55 p.m.-10:50 p.m.

1 stop19h 55m

Lisbon Humberto Delgado

Tue 26/5

11:55 a.m.-7:55 p.m.

1 stop13h 00m

C$ 831

TorontoPonta Delgada

YTZ - PDL

YTZPDL

Toronto Island

Wed 10/6

2:55 p.m.-8:40 a.m.

2 stops37h 45m

Ponta Delgada Nordela

Wed 17/6

11:00 a.m.-6:42 p.m.

2 stops35h 42m

C$ 832

TorontoPonta Delgada

YTZ - PDL

YTZPDL

Toronto Island

Fri 12/6

2:55 p.m.-8:40 a.m.

2 stops13h 45m

Ponta Delgada Nordela

Fri 19/6

11:00 a.m.-6:42 p.m.

2 stops35h 42m

C$ 833

MontrealLisbon

YUL - LIS

YULLIS

Montreal Pierre Elliott Trudeau Intl

Mon 8/6

7:00 p.m.-2:35 p.m.

2 stops14h 35m

Lisbon Humberto Delgado

Mon 15/6

11:55 a.m.-4:55 p.m.

1 stop34h 00m

C$ 833

MontrealPorto

YUL - OPO

YULOPO

Montreal Pierre Elliott Trudeau Intl

Tue 26/5

7:25 p.m.-6:45 a.m.

Nonstop6h 20m

Porto

Tue 9/6

1:30 p.m.-7:32 p.m.

1 stop11h 02m

C$ 835

TorontoPonta Delgada

YTZ - PDL

YTZPDL

Toronto Island

Sun 12/7

6:10 p.m.-8:40 a.m.

1 stop10h 30m

Ponta Delgada Nordela

Mon 13/7

11:00 a.m.-8:09 p.m.

1 stop13h 09m

C$ 846

Flights are sorted by cheapest round-trip flights first.

Deals found on 27/4

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
6

Best time to book a flight from Ontario to Portugal

Have a flexible travel schedule? Discover the best time to fly to Portugal 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 Portugal

How far ahead should I book a flight from Region of Ontario to Portugal?

To ensure you get the cheapest price possible for a flight from Region of Ontario to Portugal, you should look to book at least 86 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, November is the cheapest month in which you can book a flight from Region of Ontario to Portugal (average of C$ 698). Flying from Region of Ontario to Portugal in July is currently the most expensive (average of C$ 1,071). 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 PT?

Find hourly flight availability from Ontario to Portugal. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 30 April 2026.

One of the essential ways to save on airfare from Region of Ontario to Portugal is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight in the morning could potentially save you up to 27% on airfare.

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

Use this chart to determine the cheapest time to fly round-trip from Ontario to Portugal. Price data was last updated on 25 April 2026.

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

Related info for your journey

Find useful and relevant information for your journey from Ontario to Portugal. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    Air Transat, Delta, and KLM can get you from Region of Ontario to Portugal in just under 10h 50m. Your travel time can differ by up to 9h 05m. Region of Ontario and Portugal are separated by a distance of 5234 km. This flight may include one or multiple stops.

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

    The cheapest airlines for a one-way flight from Region of Ontario to Portugal are Air Transat (C$ 99), WestJet (C$ 303), and Azores Airlines (C$ 304).

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Ontario to Portugal 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 Portugal?

    Currently, November is the cheapest month in which you can book a flight from Region of Ontario to Portugal (average of C$ 698). Flying from Region of Ontario to Portugal in July is currently the most expensive (average of C$ 1,071). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ontario to Portugal

See prices for flight routes from nearby airports that may be better suited for you.
Pierre Elliott Trudeau Intl to Charles de Gaulle flights
Pearson Intl to Heathrow flights
Pearson Intl to Gatwick flights
Pearson Intl to Leonardo da Vinci/Fiumicino flights
Vancouver Intl to Heathrow flights
Pearson Intl to Istanbul flights
Pearson Intl to Charles de Gaulle flights
Pearson Intl to Dublin flights
Pierre Elliott Trudeau Intl to Leonardo da Vinci/Fiumicino flights
Pierre Elliott Trudeau Intl to Lisbon flights
Pierre Elliott Trudeau Intl to Orly flights
Pierre Elliott Trudeau Intl to Athens flights
Pearson Intl to Lisbon flights
Pearson Intl to London City flights
Vancouver Intl to Charles de Gaulle flights
Pearson Intl to Athens flights
Pearson Intl to Stansted flights
Vancouver Intl to Gatwick flights
Toronto Island to Heathrow flights
Pearson Intl to Amsterdam flights
Pearson Intl to Barcelona-El Prat flights
Pearson Intl to Luton flights
Pierre Elliott Trudeau Intl to Istanbul flights
Pierre Elliott Trudeau Intl to Heathrow flights
Pearson Intl to Madrid flights
Pearson Intl to Orly flights
Pierre Elliott Trudeau Intl to Beauvais-Tille flights
Pierre Elliott Trudeau Intl to Barcelona-El Prat flights
Québec City to Charles de Gaulle flights
Toronto Island to Gatwick flights
Pierre Elliott Trudeau Intl to Bruxelles-National flights
Vancouver Intl to Amsterdam flights
Vancouver Intl to Frankfurt flights
Vancouver Intl to Istanbul flights
Toronto Island to Charles de Gaulle flights
Vancouver Intl to London City flights
Vancouver Intl to Stansted flights
Vancouver Intl to Leonardo da Vinci/Fiumicino flights
Pearson Intl to Vicenza flights
Pearson Intl to Frederic Chopin flights
Toronto Island to Leonardo da Vinci/Fiumicino flights
Vancouver Intl to Orly flights
Pierre Elliott Trudeau Intl to Marseille flights
Pearson Intl to Sabiha Gokcen flights
Calgary to Heathrow flights
Pierre Elliott Trudeau Intl to Frankfurt flights
Vancouver Intl to Dublin flights
Pearson Intl to Edinburgh flights
Pierre Elliott Trudeau Intl to Malpensa flights
Pierre Elliott Trudeau Intl to Amsterdam flights

Top 10 airlines flying from Ontario to Portugal

Discover the top 10 airlines that operate flights from Ontario to Portugal. 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 30 April 2026.
AirlineCheapestAverageFlexibilityOn-time
FinnairCheapestC$ 352AverageC$ 460FlexibilityNo cancel feeOn-time76%
Search Finnair flights
American AirlinesCheapestC$ 376AverageC$ 446FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
IberiaCheapestC$ 380AverageC$ 508FlexibilityNo cancel feeOn-time77%
Search Iberia flights
British AirwaysCheapestC$ 402AverageC$ 698FlexibilityNo cancel feeOn-time70%
Search British Airways flights
WestJetCheapestC$ 442AverageC$ 726FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Royal Air MarocCheapestC$ 487AverageC$ 587FlexibilityNo cancel feeOn-time75%
Search Royal Air Maroc flights
KLMCheapestC$ 529AverageC$ 801FlexibilityNo cancel feeOn-time75%
Search KLM flights
TAP AIR PORTUGALCheapestC$ 563AverageC$ 886FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
Air TransatCheapestC$ 565AverageC$ 1,139FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Porter AirlinesCheapestC$ 581AverageC$ 989FlexibilityNo cancel feeOn-time52%
Search Porter 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 Ontario to Portugal?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Ontario to Portugal. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

Cheapflights simply makes it quick and affordable to book flights from Ontario to Portugal by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Certainly. Search results for flights to Portugal from Ontario 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 Ontario to Portugal become cheaper?

Yes, Cheapflights offers price alerts on Ontario to Portugal flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.