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Cheap flights from Ontario to Portugal from C$ 265

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 19/8. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — LIS
3 Sep — 10 Sep1
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 4 August 2026.

Sun 11/105:30 p.m.
YYZ
-
FAO
1 stop18h 50m
TAP AIR PORTUGAL
Mon 19/1011:15 a.m.
FAO
-
YYZ
1 stop14h 50m
TAP AIR PORTUGAL
Deal found 3/8C$ 595
Tue 6/105:35 p.m.
YYZ
-
FAO
1 stop18h 45m
TAP AIR PORTUGAL
Tue 20/106:15 p.m.
FAO
-
YYZ
1 stop24h 45m
TAP AIR PORTUGAL
Deal found 30/7C$ 598
Fri 13/1110:45 p.m.
YYZ
-
FAO
1 stop11h 55m
TAP AIR PORTUGAL
Sun 22/116:05 a.m.
FAO
-
YYZ
1 stop13h 35m
TAP AIR PORTUGAL
Deal found 1/8C$ 601
Mon 5/105:45 p.m.
YYZ
-
FAO
1 stop25h 05m
TAP AIR PORTUGAL
Tue 20/106:15 p.m.
FAO
-
YYZ
1 stop24h 45m
TAP AIR PORTUGAL
Deal found 2/8C$ 604
Wed 23/910:55 p.m.
YYZ
-
FAO
1 stop19h 55m
TAP AIR PORTUGAL
Wed 21/106:05 a.m.
FAO
-
YYZ
1 stop12h 55m
TAP AIR PORTUGAL
Deal found 3/8C$ 606
Fri 4/1210:45 p.m.
YYZ
-
FAO
1 stop11h 55m
TAP AIR PORTUGAL
Sat 12/124:30 p.m.
FAO
-
YYZ
1 stop27h 10m
TAP AIR PORTUGAL
Deal found 2/8C$ 612
Wed 25/1110:45 p.m.
YYZ
-
FAO
1 stop11h 55m
TAP AIR PORTUGAL
Tue 1/126:05 a.m.
FAO
-
YYZ
1 stop14h 15m
TAP AIR PORTUGAL
Deal found 30/7C$ 615
Wed 18/116:45 p.m.
YYZ
-
LIS
Nonstop7h 00m
Porter Airlines
Mon 23/119:25 a.m.
LIS
-
YYZ
1 stop27h 50m
Porter Airlines
Deal found 30/7C$ 647
Wed 14/1010:45 a.m.
YTZ
-
LIS
1 stop17h 35m
Air Canada
Wed 21/1011:25 a.m.
LIS
-
YTZ
1 stop15h 05m
Air Canada
Deal found 3/8C$ 650
Thu 12/116:45 p.m.
YYZ
-
LIS
Nonstop7h 00m
Air Transat
Fri 20/118:35 a.m.
LIS
-
YYZ
Nonstop8h 35m
Air Transat
Deal found 30/7C$ 650
Wed 18/115:50 p.m.
YTZ
-
LIS
1 stop8h 55m
Air Transat
Tue 24/119:25 a.m.
LIS
-
YTZ
1 stop13h 40m
Air Transat
Deal found 30/7C$ 651
Thu 15/1011:45 p.m.
YYZ
-
LIS
Nonstop7h 20m
TAP AIR PORTUGAL
Thu 5/1111:00 a.m.
LIS
-
YYZ
Nonstop8h 45m
TAP AIR PORTUGAL
Deal found 30/7C$ 651

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 4 August 2026.

Round-trip from

C$ 595

One-way from

C$ 265

Popular in

July

Cheapest in

January

Average price

C$ 1,051

Good round-trip deal

C$ 658 or less

Good one-way deal

C$ 424 or less
TAP AIR PORTUGAL
  • TAP AIR PORTUGAL
  • 11/10-19/10
  • 2 total stops
  • 33h 40m total
  • Ontario to Portugal
Search Deals
WestJet
  • WestJet
  • 19/8
  • Nonstop
  • 5h 45m total
  • Ontario to Portugal
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (C$ 199 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 28 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 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 4 August 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

Fri 13/11

4:40 p.m.-2:35 p.m.

1 stop16h 55m

Lisbon Humberto Delgado

Wed 18/11

3:35 p.m.-3:10 p.m.

1 stop28h 35m

C$ 700

TorontoLisbon

YTZ - LIS

YTZLIS

Toronto Island

Sun 18/10

3:35 p.m.-9:20 a.m.

2 stops12h 45m

Lisbon Humberto Delgado

Tue 27/10

12:20 p.m.-2:26 p.m.

2 stops30h 06m

C$ 702

MontrealLisbon

YUL - LIS

YULLIS

Montreal Pierre Elliott Trudeau Intl

Wed 11/11

5:10 p.m.-2:35 p.m.

2 stops16h 25m

Lisbon Humberto Delgado

Mon 16/11

11:50 a.m.-3:10 p.m.

1 stop32h 20m

C$ 708

TorontoLisbon

YTZ - LIS

YTZLIS

Toronto Island

Sun 18/10

7:55 p.m.-6:30 a.m.

1 stop29h 35m

Lisbon Humberto Delgado

Tue 27/10

9:25 a.m.-9:20 p.m.

1 stop15h 55m

C$ 709

MontrealLisbon

YUL - LIS

YULLIS

Montreal Pierre Elliott Trudeau Intl

Wed 11/11

5:10 p.m.-2:35 p.m.

2 stops16h 25m

Lisbon Humberto Delgado

Wed 25/11

3:35 p.m.-3:10 p.m.

1 stop28h 35m

C$ 712

MontrealLisbon

YUL - LIS

YULLIS

Montreal Pierre Elliott Trudeau Intl

Thu 5/11

2:15 p.m.-6:45 a.m.

1 stop11h 30m

Lisbon Humberto Delgado

Sat 7/11

9:25 a.m.-12:15 p.m.

Nonstop7h 50m

C$ 716

MontrealPorto

YUL - OPO

YULOPO

Montreal Pierre Elliott Trudeau Intl

Tue 8/9

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

Nonstop6h 20m

Porto

Tue 15/9

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

1 stop11h 02m

C$ 717

TorontoFaro

YYZ - FAO

YYZFAO

Toronto Pearson Intl

Mon 5/10

5:45 p.m.-11:50 p.m.

1 stop25h 05m

Faro

Mon 12/10

6:10 p.m.-2:00 p.m.

1 stop24h 50m

C$ 719

MontrealLisbon

YUL - LIS

YULLIS

Montreal Pierre Elliott Trudeau Intl

Mon 14/9

8:40 p.m.-1:45 p.m.

1 stop12h 05m

Lisbon Humberto Delgado

Wed 23/9

5:55 a.m.-3:00 p.m.

1 stop14h 05m

C$ 720

MontrealLisbon

YUL - LIS

YULLIS

Montreal Pierre Elliott Trudeau Intl

Tue 15/9

5:05 p.m.-10:30 a.m.

1 stop12h 25m

Lisbon Humberto Delgado

Tue 1/12

6:05 a.m.-7:00 p.m.

2 stops17h 55m

C$ 730

Flights are sorted by cheapest round-trip flights first.

Deals found on 30/7

Showing 1-10 of 60 resultsSorted by cheapest first
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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

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$ 748). Flying from Region of Ontario to Portugal in July is currently the most expensive (average of C$ 1,070). 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 4 August 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 23% on airfare.

Weekly flight availability from Region of Ontario to Portugal

Explore weekly flight availability from Ontario to Portugal. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 4 August 2026.

The most flights from CAON to PT0 are scheduled on a Sunday (9 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (3 on average).

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 87 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.

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?

    TAP AIR PORTUGAL, Air Transat, and SWISS can get you from Region of Ontario to Portugal in just under 12h 55m. Your travel time can differ by up to 5h 55m. Region of Ontario and Portugal are separated by a distance of 5132 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 WestJet (C$ 255), Azores Airlines (C$ 312), and Air Transat (C$ 318).

  • 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$ 748). Flying from Region of Ontario to Portugal in July is currently the most expensive (average of C$ 1,070). 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

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Alternative routes for Ontario to Portugal

See prices for flight routes from nearby airports that may be better suited for you.
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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 4 August 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapestC$ 385AverageC$ 447FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
IberiaCheapestC$ 390AverageC$ 512FlexibilityNo cancel feeOn-time77%
Search Iberia flights
FinnairCheapestC$ 396AverageC$ 441FlexibilityNo cancel feeOn-time76%
Search Finnair flights
British AirwaysCheapestC$ 413AverageC$ 727FlexibilityNo cancel feeOn-time70%
Search British Airways flights
WestJetCheapestC$ 417AverageC$ 729FlexibilityNo cancel feeOn-time60%
Search WestJet flights
IcelandairCheapestC$ 456AverageC$ 507FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Aer LingusCheapestC$ 491AverageC$ 585FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
Royal Air MarocCheapestC$ 500AverageC$ 589FlexibilityNo cancel feeOn-time75%
Search Royal Air Maroc flights
KLMCheapestC$ 542AverageC$ 817FlexibilityNo cancel feeOn-time75%
Search KLM flights
Air TransatCheapestC$ 579AverageC$ 1,147FlexibilityNo 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 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.

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