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Cheap flights from Portugal to Ontario from C$ 327
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 9/9. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — YYZ
5 Aug — 12 Aug1
Round-trip
1 adult
Economy
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 31 July 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 31 July 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 31 July 2025.
Fri 19/98:40 a.m.OPO - YUL
Nonstop7h 15mAir Transat
Thu 25/97:40 p.m.YUL - OPO
Nonstop6h 20mAir Transat
Deal found 31/7C$ 534
Sat 13/126:00 a.m.OPO - YYZ
1 stop18h 50mAir Canada
Sat 27/124:00 p.m.YYZ - OPO
2 stops15h 50mAir Canada
Deal found 29/7C$ 565
Fri 19/96:00 a.m.OPO - YUL
1 stop15h 00mLufthansa
Mon 22/910:00 p.m.YUL - OPO
Nonstop6h 35mLufthansa
Deal found 30/7C$ 572
Fri 5/95:00 a.m.LIS - YUL
1 stop16h 55mKLM
Thu 11/96:50 p.m.YUL - LIS
1 stop18h 50mKLM
Deal found 31/7C$ 573
Fri 19/96:00 a.m.OPO - YUL
1 stop15h 00mMultiple Airlines
Mon 22/94:40 p.m.YUL - OPO
1 stop13h 45mMultiple Airlines
Deal found 30/7C$ 577
Fri 5/95:00 a.m.LIS - YUL
1 stop16h 55mMultiple Airlines
Thu 11/97:00 p.m.YUL - LIS
1 stop11h 15mMultiple Airlines
Deal found 30/7C$ 580
Tue 9/912:50 p.m.OPO - YTZ
1 stop11h 59mAir Canada
Sun 21/97:20 p.m.YTZ - OPO
2 stops33h 15mAir Canada
Deal found 31/7C$ 581
Fri 21/1112:50 p.m.OPO - YUL
1 stop31h 20mSWISS
Fri 28/114:45 p.m.YUL - OPO
1 stop13h 25mSWISS
Deal found 30/7C$ 584
Fri 5/96:35 p.m.LIS - YUL
Nonstop7h 35mTAP AIR PORTUGAL
Thu 11/910:45 p.m.YUL - LIS
Nonstop6h 45mTAP AIR PORTUGAL
Deal found 31/7C$ 584
Tue 16/98:25 a.m.OPO - YYZ
1 stop28h 46mAir Transat
Wed 8/1011:55 p.m.YYZ - OPO
Nonstop7h 00mAir Transat
Deal found 31/7C$ 590
Wed 8/106:45 a.m.LIS - YUL
1 stop14h 15mLufthansa
Tue 18/119:45 p.m.YUL - LIS
Nonstop6h 35mLufthansa
Deal found 31/7C$ 595
Tue 9/96:15 a.m.OPO - YYZ
1 stop17h 15mMultiple Airlines
Sun 21/96:35 p.m.YYZ - OPO
1 stop16h 25mMultiple Airlines
Deal found 29/7C$ 598
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 31 July 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
Fri 19/9
8:40 a.m.-10:55 a.m.
Nonstop7h 15m
Montreal Pierre Elliott Trudeau Intl
Thu 25/9
7:40 p.m.-7:00 a.m.
Nonstop6h 20m
C$ 534
PortoToronto
OPO - YYZ
OPOYYZ
Porto
Sat 13/12
6:00 a.m.-7:50 p.m.
1 stop18h 50m
Toronto Pearson Intl
Sat 27/12
4:00 p.m.-12:50 p.m.
2 stops15h 50m
C$ 565
PortoMontreal
OPO - YUL
OPOYUL
Porto
Fri 19/9
6:00 a.m.-4:00 p.m.
1 stop15h 00m
Montreal Pierre Elliott Trudeau Intl
Mon 22/9
10:00 p.m.-9:35 a.m.
Nonstop6h 35m
C$ 572
LisbonMontreal
LIS - YUL
LISYUL
Lisbon Humberto Delgado
Fri 5/9
5:00 a.m.-4:55 p.m.
1 stop16h 55m
Montreal Pierre Elliott Trudeau Intl
Thu 11/9
6:50 p.m.-6:40 p.m.
1 stop18h 50m
C$ 573
PortoMontreal
OPO - YUL
OPOYUL
Porto
Fri 19/9
6:00 a.m.-4:00 p.m.
1 stop15h 00m
Montreal Pierre Elliott Trudeau Intl
Mon 22/9
4:40 p.m.-11:25 a.m.
1 stop13h 45m
C$ 577
LisbonMontreal
LIS - YUL
LISYUL
Lisbon Humberto Delgado
Fri 5/9
5:00 a.m.-4:55 p.m.
1 stop16h 55m
Montreal Pierre Elliott Trudeau Intl
Thu 11/9
7:00 p.m.-11:15 a.m.
1 stop11h 15m
C$ 580
PortoToronto
OPO - YTZ
OPOYTZ
Porto
Tue 9/9
12:50 p.m.-7:49 p.m.
1 stop11h 59m
Toronto Island
Sun 21/9
7:20 p.m.-9:35 a.m.
2 stops33h 15m
C$ 581
PortoMontreal
OPO - YUL
OPOYUL
Porto
Fri 21/11
12:50 p.m.-3:10 p.m.
1 stop31h 20m
Montreal Pierre Elliott Trudeau Intl
Fri 28/11
4:45 p.m.-11:10 a.m.
1 stop13h 25m
C$ 584
LisbonMontreal
LIS - YUL
LISYUL
Lisbon Humberto Delgado
Fri 5/9
6:35 p.m.-9:10 p.m.
Nonstop7h 35m
Montreal Pierre Elliott Trudeau Intl
Thu 11/9
10:45 p.m.-10:30 a.m.
Nonstop6h 45m
C$ 584
PortoToronto
OPO - YYZ
OPOYYZ
Porto
Tue 16/9
8:25 a.m.-8:11 a.m.
1 stop28h 46m
Toronto Pearson Intl
Wed 8/10
11:55 p.m.-11:55 a.m.
Nonstop7h 00m
C$ 590
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$ 167). 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 31 July 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 31 July 2025.
The most flights from PT0 to CAON are scheduled on a Thursday (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 31 July 2025.
Read through reviews of airlines operating flights from Portugal to Ontario, such as Aegean Airlines,KLM, andAir Transat. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
8.2
Crew
8.6
Boarding
7.8
Entertainment
7.0
Comfort
7.9
Food
7.4
Reviews
1 / 20
10.0
ExcellentAnonymous,Nov 2024
SKG - FRA
Overall
8.2
Crew
8.6
Boarding
7.8
Entertainment
7.0
Comfort
7.9
Food
7.4
Reviews
1 / 20
10.0
ExcellentAnonymous,Nov 2024
SKG - FRA
Overall
8.2
Crew
8.6
Boarding
7.8
Entertainment
7.0
Comfort
7.9
Food
7.4
Reviews
1 / 20
10.0
ExcellentAnonymous,Nov 2024
SKG - FRA
Overall
8.2
Crew
8.6
Boarding
7.8
Entertainment
7.0
Comfort
7.9
Food
7.4
Reviews
1 / 20
10.0
ExcellentAnonymous,Nov 2024
SKG - FRA
Overall
8.2
Crew
8.6
Boarding
7.8
Entertainment
7.0
Comfort
7.9
Food
7.4
Reviews
1 / 20
10.0
ExcellentAnonymous,Nov 2024
SKG - FRA
Overall
8.2
Crew
8.6
Boarding
7.8
Entertainment
7.0
Comfort
7.9
Food
7.4
Reviews
1 / 20
10.0
ExcellentAnonymous,Nov 2024
SKG - FRA
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 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 31 July 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.