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Cheap flights from Portugal to Ontario from C$ 337

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 9/6. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — YYZ
12 Apr — 19 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Portugal to Ontario

Enter your travel dates to find the best prices.

Cheapest flights from Portugal to Ontario
Explore the most affordable flight options available from Portugal to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 March 2026.

Sat 14/38:55 a.m.
LIS
-
YUL
Nonstop7h 50m
Air Transat
Fri 20/38:55 p.m.
YUL
-
LIS
Nonstop6h 30m
Air Transat
Deal found 10/3C$ 569
Mon 4/58:15 a.m.
LIS
-
YTZ
1 stop14h 10m
Air Transat
Mon 11/58:25 a.m.
YTZ
-
LIS
1 stop17h 05m
Air Transat
Deal found 9/3C$ 574
Mon 1/68:15 a.m.
LIS
-
YTZ
1 stop28h 40m
Air Transat
Tue 9/68:25 a.m.
YTZ
-
LIS
1 stop17h 05m
Air Transat
Deal found 9/3C$ 581
Mon 4/58:15 a.m.
LIS
-
YYZ
1 stop28h 58m
Air Transat
Mon 11/53:40 p.m.
YYZ
-
LIS
1 stop9h 50m
Air Transat
Deal found 9/3C$ 585
Fri 8/58:25 a.m.
OPO
-
YTZ
1 stop14h 00m
Air Transat
Wed 20/56:55 p.m.
YTZ
-
OPO
1 stop30h 50m
Air Transat
Deal found 12/3C$ 608
Sat 14/38:55 a.m.
LIS
-
YYZ
1 stop27h 22m
Air Transat
Sat 13/66:10 p.m.
YYZ
-
LIS
1 stop31h 20m
Air Transat
Deal found 8/3C$ 615
Mon 16/39:25 a.m.
LIS
-
YUL
Nonstop7h 50m
Air Transat
Mon 23/39:15 p.m.
YUL
-
LIS
Nonstop6h 30m
Air Transat
Deal found 12/3C$ 618
Fri 8/58:25 a.m.
OPO
-
YYZ
1 stop15h 13m
Air Transat
Wed 20/56:10 p.m.
YYZ
-
OPO
1 stop31h 35m
Air Transat
Deal found 12/3C$ 619
Sat 13/611:00 a.m.
PDL
-
YYZ
Nonstop6h 35m
WestJet
Mon 22/611:20 p.m.
YYZ
-
PDL
Nonstop5h 45m
WestJet
Deal found 8/3C$ 623
Wed 13/58:25 a.m.
OPO
-
YYZ
1 stop28h 48m
Air Transat
Mon 25/511:15 p.m.
YYZ
-
OPO
1 stop26h 30m
Air Transat
Deal found 12/3C$ 631
Thu 15/106:00 a.m.
OPO
-
YTZ
2 stops30h 50m
Air Canada
Mon 19/108:20 a.m.
YTZ
-
OPO
2 stops17h 40m
Air Canada
Deal found 9/3C$ 637
Sun 7/68:25 a.m.
OPO
-
YUL
Nonstop7h 15m
Air Transat
Fri 12/63:10 p.m.
YUL
-
OPO
1 stop15h 35m
Air Transat
Deal found 10/3C$ 638

Find flight deals from Portugal to Ontario

Keep the following information in mind while searching for Portugal to Ontario flight deals. Data was last updated 13 March 2026.

Round-trip from

C$ 574

One-way from

C$ 337

Popular in

August

Cheapest in

November

Average price

C$ 629

Good round-trip deal

C$ 732 or less

Good one-way deal

C$ 421 or less
Air Transat
  • Air Transat
  • 4/5-11/5
  • 2 total stops
  • 31h 15m total
  • Portugal to Ontario
Search Deals
Iberia
  • Iberia
  • 9/6
  • 2 total stops
  • 18h 40m total
  • Portugal to Ontario
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (C$ 122 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 27 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals
Price to beat on a round-trip flight from Portugal to Ontario.
Search Deals
Price to beat on a one-way flight from Portugal to Ontario.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Portugal 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 13 March 2026.
Use the filters below to find and compare flights from Portugal to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortoToronto

OPO - YYZ

OPOYYZ

Porto

Thu 16/4

6:00 a.m.-7:35 p.m.

1 stop18h 35m

Toronto Pearson Intl

Tue 21/4

6:20 p.m.-3:45 p.m.

1 stop16h 25m

C$ 646

LisbonToronto

LIS - YTZ

LISYTZ

Lisbon Humberto Delgado

Sun 3/5

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

1 stop11h 00m

Toronto Island

Sun 10/5

10:55 a.m.-6:30 a.m.

1 stop14h 35m

C$ 646

PortoToronto

OPO - YYZ

OPOYYZ

Porto

Thu 23/4

6:00 a.m.-7:35 p.m.

1 stop18h 35m

Toronto Pearson Intl

Tue 28/4

6:20 p.m.-11:10 a.m.

1 stop11h 50m

C$ 665

PortoMontreal

OPO - YUL

OPOYUL

Porto

Thu 23/4

7:20 p.m.-3:00 p.m.

1 stop24h 40m

Montreal Pierre Elliott Trudeau Intl

Thu 30/4

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

1 stop20h 50m

C$ 668

LisbonToronto

LIS - YYZ

LISYYZ

Lisbon Humberto Delgado

Thu 9/4

7:20 a.m.-8:10 p.m.

1 stop17h 50m

Toronto Pearson Intl

Sat 18/4

6:05 p.m.-11:10 p.m.

1 stop24h 05m

C$ 671

LisbonOttawa

LIS - YOW

LISYOW

Lisbon Humberto Delgado

Thu 16/4

5:35 a.m.-2:55 p.m.

1 stop14h 20m

Ottawa

Mon 20/4

5:10 p.m.-10:25 p.m.

1 stop24h 15m

C$ 672

LisbonMontreal

LIS - YUL

LISYUL

Lisbon Humberto Delgado

Thu 23/4

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

1 stop14h 05m

Montreal Pierre Elliott Trudeau Intl

Tue 28/4

4:40 p.m.-11:15 a.m.

1 stop13h 35m

C$ 679

LisbonMontreal

LIS - YUL

LISYUL

Lisbon Humberto Delgado

Mon 1/6

7:45 p.m.-4:55 p.m.

1 stop26h 10m

Montreal Pierre Elliott Trudeau Intl

Tue 16/6

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

1 stop10h 50m

C$ 680

LisbonMontreal

LIS - YUL

LISYUL

Lisbon Humberto Delgado

Mon 1/6

7:45 p.m.-4:55 p.m.

1 stop26h 10m

Montreal Pierre Elliott Trudeau Intl

Fri 12/6

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

1 stop10h 50m

C$ 680

LisbonMontreal

LIS - YUL

LISYUL

Lisbon Humberto Delgado

Wed 13/5

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

1 stop16h 55m

Montreal Pierre Elliott Trudeau Intl

Tue 26/5

5:00 p.m.-11:15 a.m.

1 stop13h 15m

C$ 680

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/3

Showing 1-10 of 60 resultsSorted by cheapest first
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6

Best time to book a flight from Portugal to Ontario

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

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

Currently, April is the cheapest month in which you can book a flight from Portugal to Region of Ontario (average of C$ 373). Flying from Portugal to Region of Ontario in August is currently the most expensive (average of C$ 664). 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 PT to ON?

Find hourly flight availability from Portugal 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 13 March 2026.

One of the essential ways to save on airfare from Portugal to Region of Ontario is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 39% on airfare.

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 13 March 2026.
Read through reviews of airlines operating flights from Portugal to Ontario, such as Air Transat,Azores Airlines, andAir Canada. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Transat
7.7
Good
521 reviews
Check prices

Crew

8.5

Food

6.8

Boarding

7.9

Overall

7.7

Comfort

7.3

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

YOW - GCM

The flight was delayed for 3.5 hours. No compensation for a meal voucher. We were positioned at the back of the plane and the toilets were not working properly. It was a foul smell coming from the toilet.
Air Transat
7.7
Good
521 reviews
Air Transat
7.7
Good
521 reviews
Check prices

Crew

8.5

Food

6.8

Boarding

7.9

Overall

7.7

Comfort

7.3

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

YOW - GCM

The flight was delayed for 3.5 hours. No compensation for a meal voucher. We were positioned at the back of the plane and the toilets were not working properly. It was a foul smell coming from the toilet.
Azores Airlines
7.3
Good
94 reviews
Air Transat
7.7
Good
521 reviews
Check prices

Crew

8.5

Food

6.8

Boarding

7.9

Overall

7.7

Comfort

7.3

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

YOW - GCM

The flight was delayed for 3.5 hours. No compensation for a meal voucher. We were positioned at the back of the plane and the toilets were not working properly. It was a foul smell coming from the toilet.
Air Canada
7.1
Good
10,800 reviews
Air Transat
7.7
Good
521 reviews
Check prices

Crew

8.5

Food

6.8

Boarding

7.9

Overall

7.7

Comfort

7.3

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

YOW - GCM

The flight was delayed for 3.5 hours. No compensation for a meal voucher. We were positioned at the back of the plane and the toilets were not working properly. It was a foul smell coming from the toilet.
TAP AIR PORTUGAL
7.1
Good
2,166 reviews
Air Transat
7.7
Good
521 reviews
Check prices

Crew

8.5

Food

6.8

Boarding

7.9

Overall

7.7

Comfort

7.3

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

YOW - GCM

The flight was delayed for 3.5 hours. No compensation for a meal voucher. We were positioned at the back of the plane and the toilets were not working properly. It was a foul smell coming from the toilet.
Lufthansa
6.8
Okay
7,846 reviews
Air Transat
7.7
Good
521 reviews
Check prices

Crew

8.5

Food

6.8

Boarding

7.9

Overall

7.7

Comfort

7.3

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

YOW - GCM

The flight was delayed for 3.5 hours. No compensation for a meal voucher. We were positioned at the back of the plane and the toilets were not working properly. It was a foul smell coming from the toilet.

Related info for your journey

Find useful and relevant information for your journey from Portugal to Ontario. 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 Portugal to Region of Ontario?

    Departing from Portugal to Region of Ontario will take you 11h. The distance from Portugal to Region of Ontario is about 5721 km. Both multi-stop and direct flights can be found to your destination and back.

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

    C$ 288 is the cheapest one-way deal found within the past few days, from British Airways. You may also be able to find cheap deals on Iberia and TAP AIR PORTUGAL, with prices starting from C$ 330 and C$ 337, respectively.

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

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

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

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

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

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

    Currently, April is the cheapest month in which you can book a flight from Portugal to Region of Ontario (average of C$ 373). Flying from Portugal to Region of Ontario in August is currently the most expensive (average of C$ 664). 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 Portugal to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Portugal to Ontario

Discover the top 5 airlines that operate flights from Portugal 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 13 March 2026.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapestC$ 551AverageC$ 814FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Air CanadaCheapestC$ 599AverageC$ 907FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
TAP AIR PORTUGALCheapestC$ 614AverageC$ 927FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
Air TransatCheapestC$ 629AverageC$ 791FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Azores AirlinesCheapestC$ 731AverageC$ 1,162FlexibilityNo 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 Portugal to Ontario?

When you search for this flight from Portugal to Ontario, 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 Portugal to Ontario?

Millions of users choose and trust Cheapflights to book the best flight deals from Portugal to Ontario for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

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

Yes! Start tracking prices for Portugal to Ontario flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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