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Cheap flights from Portugal to Ontario from C$ 303
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 22/11. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — YYZ
15 Oct — 22 Oct1
Cheap flight deals from Portugal to Ontario
Keep the following information in mind while searching for Portugal to Ontario flight deals. Data was last updated 15 September 2025.
Find flight deals from Portugal to Ontario
Cheapest flights from Portugal to OntarioExplore 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 15 September 2025.
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 15 September 2025.
Fri 19/98:40 a.m.OPO - YUL
Nonstop7h 15mAir Transat
Sat 27/97:25 p.m.YUL - OPO
Nonstop6h 20mAir Transat
Deal found 15/9C$ 563
Sat 27/127:25 p.m.OPO - YUL
1 stop24h 45mSWISS
Wed 7/14:45 p.m.YUL - OPO
1 stop13h 30mSWISS
Deal found 14/9C$ 588
Thu 20/115:00 a.m.LIS - YUL
2 stops25h 53mAir Canada
Tue 17/29:35 p.m.YUL - LIS
Nonstop6h 45mAir Canada
Deal found 14/9C$ 590
Sun 28/1212:05 p.m.OPO - YUL
1 stop32h 05mSWISS
Wed 7/14:45 p.m.YUL - OPO
1 stop13h 30mSWISS
Deal found 14/9C$ 592
Sat 6/126:00 a.m.OPO - YYZ
1 stop15h 15mLufthansa
Mon 5/16:15 p.m.YYZ - OPO
1 stop12h 25mLufthansa
Deal found 13/9C$ 597
Mon 22/129:25 a.m.LIS - YUL
Nonstop7h 50mAir Transat
Mon 5/18:15 p.m.YUL - LIS
Nonstop6h 30mAir Transat
Deal found 15/9C$ 597
Sun 21/911:20 a.m.OPO - YTZ
1 stop29h 25mAir Canada
Mon 29/93:25 p.m.YTZ - OPO
2 stops14h 50mAir Canada
Deal found 13/9C$ 598
Mon 29/126:15 a.m.OPO - YUL
1 stop17h 05mLufthansa
Wed 7/18:10 p.m.YUL - OPO
1 stop12h 05mLufthansa
Deal found 14/9C$ 598
Sun 21/911:20 a.m.OPO - YYZ
1 stop11h 38mAir Canada
Mon 29/95:00 p.m.YYZ - OPO
1 stop11h 35mAir Canada
Deal found 13/9C$ 598
Thu 20/1112:35 p.m.LIS - YUL
1 stop31h 35mSWISS
Thu 12/24:45 p.m.YUL - LIS
1 stop16h 50mSWISS
Deal found 14/9C$ 598
Thu 20/115:00 a.m.LIS - YUL
2 stops25h 53mAir Canada
Sat 14/28:10 p.m.YUL - LIS
1 stop32h 10mAir Canada
Deal found 14/9C$ 599
Thu 20/115:00 a.m.LIS - YUL
2 stops18h 53mAir Canada
Thu 12/25:55 p.m.YUL - LIS
1 stop16h 10mAir Canada
Deal found 14/9C$ 601
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 15 September 2025.
Use the filters below to find and compare flights from Portugal to Ontario that are best for you.
Fly from
Portugal
Fly to
Ontario
Route
Depart
Return
Price
PortoMontreal
OPO - YUL
OPOYUL
Porto
Sun 28/12
12:05 p.m.-3:10 p.m.
1 stop32h 05m
Montreal Pierre Elliott Trudeau Intl
Wed 7/1
4:45 p.m.-11:15 a.m.
1 stop13h 30m
C$ 592
PortoToronto
OPO - YYZ
OPOYYZ
Porto
Sat 6/12
6:00 a.m.-4:15 p.m.
1 stop15h 15m
Toronto Pearson Intl
Mon 5/1
6:15 p.m.-11:40 a.m.
1 stop12h 25m
C$ 597
LisbonMontreal
LIS - YUL
LISYUL
Lisbon Humberto Delgado
Tue 23/12
9:25 a.m.-12:15 p.m.
Nonstop7h 50m
Montreal Pierre Elliott Trudeau Intl
Mon 5/1
8:15 p.m.-7:45 a.m.
Nonstop6h 30m
C$ 597
LisbonMontreal
LIS - YUL
LISYUL
Lisbon Humberto Delgado
Mon 22/12
9:25 a.m.-12:15 p.m.
Nonstop7h 50m
Montreal Pierre Elliott Trudeau Intl
Mon 5/1
8:15 p.m.-7:45 a.m.
Nonstop6h 30m
C$ 597
PortoMontreal
OPO - YUL
OPOYUL
Porto
Mon 29/12
6:15 a.m.-6:20 p.m.
1 stop17h 05m
Montreal Pierre Elliott Trudeau Intl
Wed 7/1
8:10 p.m.-1:15 p.m.
1 stop12h 05m
C$ 598
LisbonMontreal
LIS - YUL
LISYUL
Lisbon Humberto Delgado
Fri 21/11
12:15 p.m.-3:10 p.m.
1 stop31h 55m
Montreal Pierre Elliott Trudeau Intl
Tue 10/2
4:45 p.m.-2:35 p.m.
1 stop16h 50m
C$ 598
LisbonMontreal
LIS - YUL
LISYUL
Lisbon Humberto Delgado
Thu 20/11
3:25 p.m.-3:10 p.m.
1 stop28h 45m
Montreal Pierre Elliott Trudeau Intl
Wed 11/2
4:45 p.m.-2:35 p.m.
1 stop16h 50m
C$ 598
LisbonMontreal
LIS - YUL
LISYUL
Lisbon Humberto Delgado
Thu 20/11
3:25 p.m.-3:10 p.m.
1 stop28h 45m
Montreal Pierre Elliott Trudeau Intl
Tue 10/2
4:45 p.m.-2:35 p.m.
1 stop16h 50m
C$ 598
LisbonMontreal
LIS - YUL
LISYUL
Lisbon Humberto Delgado
Thu 20/11
3:25 p.m.-3:10 p.m.
1 stop28h 45m
Montreal Pierre Elliott Trudeau Intl
Sun 15/2
4:45 p.m.-2:35 p.m.
1 stop16h 50m
C$ 598
PortoMontreal
OPO - YUL
OPOYUL
Porto
Sat 27/12
6:15 a.m.-6:20 p.m.
1 stop17h 05m
Montreal Pierre Elliott Trudeau Intl
Fri 9/1
4:45 p.m.-11:10 a.m.
1 stop13h 25m
C$ 602
Showing 1-10 of 60 results
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, January is the cheapest month in which you can book a flight from Portugal to Region of Ontario (average of C$ 169). Flying from Portugal to Region of Ontario in July is currently the most expensive (average of C$ 258). 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 15 September 2025.
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.
Weekly flight availability from Portugal to Region of Ontario
Explore weekly flight availability from Portugal to Ontario. 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 15 September 2025.
The most flights from PT0 to CAON are scheduled on a Monday (7 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (4 on average).
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 15 September 2025.
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.
Crew
8.4
Entertainment
7.0
Overall
7.7
Food
6.7
Boarding
7.9
Comfort
7.3
Reviews
1 / 20
10.0
ExcellentLiam,Jun 2025
GLA - YYZ
Crew
8.4
Entertainment
7.0
Overall
7.7
Food
6.7
Boarding
7.9
Comfort
7.3
Reviews
1 / 20
10.0
ExcellentLiam,Jun 2025
GLA - YYZ
Crew
8.4
Entertainment
7.0
Overall
7.7
Food
6.7
Boarding
7.9
Comfort
7.3
Reviews
1 / 20
10.0
ExcellentLiam,Jun 2025
GLA - YYZ
Crew
8.4
Entertainment
7.0
Overall
7.7
Food
6.7
Boarding
7.9
Comfort
7.3
Reviews
1 / 20
10.0
ExcellentLiam,Jun 2025
GLA - YYZ
Crew
8.4
Entertainment
7.0
Overall
7.7
Food
6.7
Boarding
7.9
Comfort
7.3
Reviews
1 / 20
10.0
ExcellentLiam,Jun 2025
GLA - YYZ
Crew
8.4
Entertainment
7.0
Overall
7.7
Food
6.7
Boarding
7.9
Comfort
7.3
Reviews
1 / 20
10.0
ExcellentLiam,Jun 2025
GLA - YYZ
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.
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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.
Top 6 airlines flying from Portugal to Ontario
Discover the top 6 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 15 September 2025.
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.