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Cheap flights from Portugal 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 22/9. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — YYZ
31 Aug — 7 Sep1
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 1 August 2026.

Wed 2/98:25 a.m.
OPO
-
YUL
Nonstop7h 15m
Air Transat
Wed 16/98:35 p.m.
YUL
-
OPO
1 stop10h 20m
Air Transat
Deal found 29/7C$ 624
Tue 22/98:25 a.m.
OPO
-
YUL
Nonstop7h 15m
Air Transat
Sat 26/97:25 p.m.
YUL
-
OPO
Nonstop6h 20m
Air Transat
Deal found 28/7C$ 625
Wed 23/98:25 a.m.
OPO
-
YUL
Nonstop7h 15m
Air Transat
Mon 28/94:15 p.m.
YUL
-
OPO
1 stop14h 30m
Air Transat
Deal found 30/7C$ 631
Mon 14/98:15 a.m.
LIS
-
YUL
Nonstop7h 25m
Air Transat
Mon 21/97:00 p.m.
YUL
-
LIS
Nonstop6h 30m
Air Transat
Deal found 29/7C$ 634
Fri 18/98:25 a.m.
OPO
-
YUL
Nonstop7h 15m
Air Transat
Thu 24/97:25 p.m.
YUL
-
OPO
Nonstop6h 20m
Air Transat
Deal found 27/7C$ 636
Fri 4/97:00 a.m.
OPO
-
YUL
1 stop19h 10m
TAP AIR PORTUGAL
Thu 10/910:45 p.m.
YUL
-
OPO
1 stop16h 40m
TAP AIR PORTUGAL
Deal found 1/8C$ 639
Mon 14/98:15 a.m.
LIS
-
YUL
Nonstop7h 25m
Air Transat
Sun 27/94:15 p.m.
YUL
-
LIS
1 stop12h 20m
Air Transat
Deal found 29/7C$ 639
Wed 23/99:00 a.m.
OPO
-
YUL
1 stop16h 45m
TAP AIR PORTUGAL
Mon 28/910:45 p.m.
YUL
-
OPO
1 stop15h 15m
TAP AIR PORTUGAL
Deal found 30/7C$ 641
Wed 16/98:15 a.m.
LIS
-
YUL
Nonstop7h 25m
Air Transat
Mon 21/97:00 p.m.
YUL
-
LIS
Nonstop6h 30m
Air Transat
Deal found 31/7C$ 644
Fri 11/912:00 p.m.
OPO
-
YUL
1 stop14h 10m
TAP AIR PORTUGAL
Thu 17/910:45 p.m.
YUL
-
OPO
1 stop15h 10m
TAP AIR PORTUGAL
Deal found 31/7C$ 645
Thu 17/95:05 a.m.
OPO
-
YYZ
1 stop13h 55m
TAP AIR PORTUGAL
Wed 23/910:55 p.m.
YYZ
-
OPO
1 stop11h 05m
TAP AIR PORTUGAL
Deal found 30/7C$ 645
Mon 14/96:25 p.m.
LIS
-
YUL
Nonstop7h 45m
TAP AIR PORTUGAL
Mon 21/910:45 p.m.
YUL
-
LIS
Nonstop6h 45m
TAP AIR PORTUGAL
Deal found 29/7C$ 645

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 1 August 2026.

Round-trip from

C$ 624

One-way from

C$ 356

Popular in

August

Cheapest in

January

Average price

C$ 1,040

Good round-trip deal

C$ 863 or less

Good one-way deal

C$ 545 or less
Air Transat
  • Air Transat
  • 2/9-16/9
  • 1 total stop
  • 17h 35m total
  • Portugal to Ontario
Search Deals
Iberia
  • Iberia
  • 22/9
  • 1 total stop
  • 23h 20m total
  • Portugal to Ontario
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (C$ 137 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 August 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 1 August 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
Quickest round-trip

PortoMontreal

OPO - YUL

OPOYUL

Porto

Tue 8/9

8:25 a.m.-10:40 a.m.

Nonstop7h 15m

Montreal Pierre Elliott Trudeau Intl

Tue 22/9

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

Nonstop6h 20m

C$ 638

LisbonMontreal

LIS - YUL

LISYUL

Lisbon Humberto Delgado

Sun 6/12

8:35 a.m.-10:20 p.m.

1 stop18h 45m

Montreal Pierre Elliott Trudeau Intl

Mon 14/12

8:15 p.m.-7:45 a.m.

Nonstop6h 30m

C$ 655

LisbonMontreal

LIS - YUL

LISYUL

Lisbon Humberto Delgado

Mon 14/9

6:25 p.m.-9:10 p.m.

Nonstop7h 45m

Montreal Pierre Elliott Trudeau Intl

Mon 21/9

10:45 p.m.-10:30 a.m.

Nonstop6h 45m

C$ 670

PortoMontreal

OPO - YUL

OPOYUL

Porto

Tue 8/9

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

1 stop15h 00m

Montreal Pierre Elliott Trudeau Intl

Tue 22/9

8:40 p.m.-11:25 p.m.

1 stop21h 45m

C$ 686

PortoMontreal

OPO - YUL

OPOYUL

Porto

Fri 4/9

8:25 a.m.-10:40 a.m.

Nonstop7h 15m

Montreal Pierre Elliott Trudeau Intl

Thu 10/9

11:40 p.m.-6:50 a.m.

1 stop26h 10m

C$ 690

Ponta DelgadaToronto

PDL - YYZ

PDLYYZ

Ponta Delgada Nordela

Fri 16/10

6:30 a.m.-3:00 p.m.

1 stop12h 30m

Toronto Pearson Intl

Sun 1/11

10:45 p.m.-6:35 p.m.

1 stop15h 50m

C$ 697

LisbonMontreal

LIS - YUL

LISYUL

Lisbon Humberto Delgado

Tue 15/9

8:15 a.m.-10:40 a.m.

Nonstop7h 25m

Montreal Pierre Elliott Trudeau Intl

Tue 22/9

7:00 p.m.-6:30 a.m.

Nonstop6h 30m

C$ 700

PortoMontreal

OPO - YUL

OPOYUL

Porto

Fri 11/9

8:25 a.m.-10:40 a.m.

Nonstop7h 15m

Montreal Pierre Elliott Trudeau Intl

Thu 17/9

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

Nonstop6h 20m

C$ 716

LisbonMontreal

LIS - YUL

LISYUL

Lisbon Humberto Delgado

Mon 7/9

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

1 stop14h 05m

Montreal Pierre Elliott Trudeau Intl

Tue 15/9

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

1 stop12h 05m

C$ 722

PortoToronto

OPO - YYZ

OPOYYZ

Porto

Mon 21/9

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

1 stop25h 00m

Toronto Pearson Intl

Thu 1/10

11:45 p.m.-5:00 p.m.

1 stop12h 15m

C$ 733

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/7

Showing 1-10 of 60 resultsSorted by cheapest first
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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, February is the cheapest month in which you can book a flight from Portugal to Region of Ontario (average of C$ 686). Flying from Portugal to Region of Ontario in January is currently the most expensive (average of C$ 1,099). 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 1 August 2026.

When flying from Portugal to Region of Ontario, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

To ensure you get the cheapest price possible for a flight from Portugal to Region of Ontario, 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.

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 1 August 2026.
Read through reviews of airlines operating flights from Portugal to Ontario, such as Air Transat,Azores Airlines, andTAP AIR PORTUGAL. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Transat
7.8
Good
569 reviews
Check prices

Crew

8.5

Comfort

7.3

Food

6.8

Overall

7.8

Entertainment

7.1

Boarding

8.0

Reviews

1 / 20
10.0
Excellent

Liam,Jun 2025

GLA - YYZ

To and from Glasgow with Air Transat. Excellent flights, food, service. Nothing but praise.
Air Transat
7.8
Good
569 reviews
Air Transat
7.8
Good
569 reviews
Check prices

Crew

8.5

Comfort

7.3

Food

6.8

Overall

7.8

Entertainment

7.1

Boarding

8.0

Reviews

1 / 20
10.0
Excellent

Liam,Jun 2025

GLA - YYZ

To and from Glasgow with Air Transat. Excellent flights, food, service. Nothing but praise.
Azores Airlines
7.2
Good
107 reviews
Air Transat
7.8
Good
569 reviews
Check prices

Crew

8.5

Comfort

7.3

Food

6.8

Overall

7.8

Entertainment

7.1

Boarding

8.0

Reviews

1 / 20
10.0
Excellent

Liam,Jun 2025

GLA - YYZ

To and from Glasgow with Air Transat. Excellent flights, food, service. Nothing but praise.
TAP AIR PORTUGAL
7.2
Good
2,353 reviews
Air Transat
7.8
Good
569 reviews
Check prices

Crew

8.5

Comfort

7.3

Food

6.8

Overall

7.8

Entertainment

7.1

Boarding

8.0

Reviews

1 / 20
10.0
Excellent

Liam,Jun 2025

GLA - YYZ

To and from Glasgow with Air Transat. Excellent flights, food, service. Nothing but praise.
Air Canada
7.1
Good
11,419 reviews
Air Transat
7.8
Good
569 reviews
Check prices

Crew

8.5

Comfort

7.3

Food

6.8

Overall

7.8

Entertainment

7.1

Boarding

8.0

Reviews

1 / 20
10.0
Excellent

Liam,Jun 2025

GLA - YYZ

To and from Glasgow with Air Transat. Excellent flights, food, service. Nothing but praise.
Lufthansa
6.8
Okay
8,172 reviews
Air Transat
7.8
Good
569 reviews
Check prices

Crew

8.5

Comfort

7.3

Food

6.8

Overall

7.8

Entertainment

7.1

Boarding

8.0

Reviews

1 / 20
10.0
Excellent

Liam,Jun 2025

GLA - YYZ

To and from Glasgow with Air Transat. Excellent flights, food, service. Nothing but praise.

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 7h 15m. The distance from Portugal to Region of Ontario is about 5132 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$ 159 is the cheapest one-way deal found within the past few days, from WestJet. You may also be able to find cheap deals on Iberia and British Airways, with prices starting from C$ 268 and C$ 297, 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, February is the cheapest month in which you can book a flight from Portugal to Region of Ontario (average of C$ 686). Flying from Portugal to Region of Ontario in January is currently the most expensive (average of C$ 1,099). 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.

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 1 August 2026.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapestC$ 568AverageC$ 787FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Air TransatCheapestC$ 616AverageC$ 920FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Air CanadaCheapestC$ 620AverageC$ 964FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
TAP AIR PORTUGALCheapestC$ 633AverageC$ 905FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
Azores AirlinesCheapestC$ 753AverageC$ 934FlexibilityNo 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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