Cheap flights from Niagara Falls, ON to Porto from C$ 369
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 10/5. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — OPO
19 Apr — 26 Apr1
Round-trip
1 adult
Economy
Round-trip
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Niagara Falls to Porto are usually found in February or March, booked 87 days in advance, depart on a Tuesday or Saturday and return on a Wednesday
Cheap flight deals from Niagara Falls to Porto
Enter your travel dates to find the best prices.
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Cheapest flights from Niagara Falls to Porto
Explore the most affordable flight options available from Niagara Falls to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 20 March 2026.
Sat 4/46:20 p.m.
YYZ
-
OPO
1 stop11h 55m
Air Canada
Thu 9/46:20 a.m.
OPO
-
YYZ
1 stop17h 10m
Air Canada
Deal found 19/3C$ 707
Sun 24/54:30 p.m.
YYZ
-
OPO
1 stop20h 45m
Air Canada
Wed 24/66:20 a.m.
OPO
-
YYZ
1 stop17h 10m
Air Canada
Deal found 19/3C$ 710
Sat 4/48:20 p.m.
YYZ
-
OPO
1 stop22h 05m
Lufthansa
Thu 9/46:20 a.m.
OPO
-
YYZ
1 stop17h 10m
Lufthansa
Deal found 19/3C$ 711
Sun 31/512:00 p.m.
YYZ
-
OPO
2 stops16h 45m
Air Canada
Tue 9/612:15 p.m.
OPO
-
YYZ
1 stop10h 23m
Air Canada
Deal found 17/3C$ 713
Mon 25/52:05 p.m.
YYZ
-
OPO
2 stops35h 50m
United Airlines
Thu 18/69:00 a.m.
OPO
-
YYZ
2 stops26h 18m
United Airlines
Deal found 15/3C$ 719
Sun 31/510:00 a.m.
YYZ
-
OPO
2 stops18h 45m
Multiple Airlines
Fri 19/66:20 a.m.
OPO
-
YYZ
1 stop17h 10m
Multiple Airlines
Deal found 17/3C$ 721
Sun 12/48:45 p.m.
YYZ
-
OPO
1 stop13h 15m
Azores Airlines
Sun 19/43:40 p.m.
OPO
-
YYZ
1 stop32h 50m
Azores Airlines
Deal found 15/3C$ 728
Sun 19/48:45 p.m.
YYZ
-
OPO
1 stop13h 15m
Azores Airlines
Sun 3/53:40 p.m.
OPO
-
YYZ
1 stop32h 50m
Azores Airlines
Deal found 17/3C$ 729
Mon 13/48:20 p.m.
YYZ
-
OPO
1 stop22h 05m
Multiple Airlines
Wed 22/411:05 a.m.
OPO
-
YYZ
2 stops17h 49m
Multiple Airlines
Deal found 19/3C$ 730
Best flights from Niagara Falls to Porto
Discover carefully curated flight deals from Niagara Falls to Porto that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 20 March 2026.
Sat 4/46:20 p.m.
YYZ
-
OPO
1 stop11h 55m
Lufthansa
Thu 9/46:20 a.m.
OPO
-
YYZ
1 stop17h 10m
Lufthansa
Deal found 16/3C$ 722
Sat 4/49:55 p.m.
YYZ
-
OPO
1 stop12h 35m
Delta
Wed 15/45:00 a.m.
OPO
-
YYZ
1 stop19h 55m
Delta
Deal found 17/3C$ 747
Mon 11/511:55 p.m.
YYZ
-
OPO
Nonstop6h 50m
Air Transat
Fri 22/58:25 a.m.
OPO
-
YYZ
1 stop13h 13m
Air Transat
Deal found 19/3C$ 795
Mon 27/49:35 a.m.
YYZ
-
OPO
2 stops20h 40m
United Airlines
Tue 5/56:00 a.m.
OPO
-
YYZ
2 stops33h 04m
United Airlines
Deal found 18/3C$ 826
Mon 1/611:55 p.m.
YYZ
-
OPO
Nonstop6h 50m
Porter Airlines
Thu 4/61:30 p.m.
OPO
-
YYZ
Nonstop7h 55m
Porter Airlines
Deal found 18/3C$ 832
Sun 10/56:00 p.m.
YYZ
-
OPO
1 stop23h 00m
Delta
Thu 21/55:55 a.m.
OPO
-
YYZ
2 stops22h 46m
Delta
Deal found 19/3C$ 789
Wed 6/511:55 p.m.
YYZ
-
OPO
Nonstop6h 50m
Air Transat
Fri 5/68:25 a.m.
OPO
-
YYZ
1 stop13h 13m
Air Transat
Deal found 19/3C$ 796
Sun 10/511:55 p.m.
YYZ
-
OPO
Nonstop6h 50m
Air Transat
Sun 17/58:25 a.m.
OPO
-
YYZ
1 stop14h 15m
Air Transat
Deal found 19/3C$ 816
Wed 13/58:50 a.m.
YYZ
-
OPO
2 stops25h 50m
United Airlines
Sat 23/59:00 a.m.
OPO
-
YYZ
2 stops19h 54m
United Airlines
Deal found 18/3C$ 938
Sat 4/46:14 p.m.
YYZ
-
OPO
2 stops16h 16m
Delta
Tue 14/45:00 a.m.
OPO
-
YYZ
2 stops21h 15m
Delta
Deal found 17/3C$ 859
Mon 30/312:15 p.m.
YYZ
-
OPO
2 stops22h 10m
Delta
Sat 18/45:55 a.m.
OPO
-
YYZ
1 stop20h 35m
Delta
Deal found 17/3C$ 917
Wed 15/44:45 p.m.
YYZ
-
OPO
1 stop24h 30m
Delta
Fri 24/45:55 a.m.
OPO
-
YYZ
2 stops16h 44m
Delta
Deal found 17/3C$ 923
Direct flights from Niagara Falls to Porto
Explore direct flight options from Niagara Falls to Porto based on user searches, and compare prices and availability for your desired travel dates. Data last updated 20 March 2026.
Wed 20/511:55 p.m.
YYZ
-
OPO
Nonstop6h 50m
Air Transat
Sat 30/51:30 p.m.
OPO
-
YYZ
Nonstop7h 55m
Air Transat
Deal found 18/3C$ 766
Mon 25/511:55 p.m.
YYZ
-
OPO
Nonstop6h 50m
Air Transat
Mon 15/61:30 p.m.
OPO
-
YYZ
Nonstop7h 55m
Air Transat
Deal found 20/3C$ 770
Mon 25/511:55 p.m.
YYZ
-
OPO
Nonstop6h 50m
Air Transat
Mon 1/61:30 p.m.
OPO
-
YYZ
Nonstop7h 55m
Air Transat
Deal found 20/3C$ 785
Mon 25/511:55 p.m.
YYZ
-
OPO
Nonstop6h 50m
Air Transat
Tue 9/61:30 p.m.
OPO
-
YYZ
Nonstop7h 55m
Air Transat
Deal found 20/3C$ 787
Fri 5/611:55 p.m.
YYZ
-
OPO
Nonstop6h 50m
Air Transat
Sat 13/61:30 p.m.
OPO
-
YYZ
Nonstop7h 55m
Air Transat
Deal found 20/3C$ 788
Sun 7/611:55 p.m.
YYZ
-
OPO
Nonstop6h 50m
Air Transat
Tue 16/61:30 p.m.
OPO
-
YYZ
Nonstop7h 55m
Air Transat
Deal found 20/3C$ 789
Sun 10/511:55 p.m.
YYZ
-
OPO
Nonstop6h 50m
Air Transat
Sat 16/51:30 p.m.
OPO
-
YYZ
Nonstop7h 55m
Air Transat
Deal found 19/3C$ 791
Wed 6/511:55 p.m.
YYZ
-
OPO
Nonstop6h 50m
Air Transat
Mon 1/61:30 p.m.
OPO
-
YYZ
Nonstop7h 55m
Air Transat
Deal found 19/3C$ 792
Mon 25/511:55 p.m.
YYZ
-
OPO
Nonstop6h 50m
Air Transat
Sat 20/61:30 p.m.
OPO
-
YYZ
Nonstop7h 55m
Air Transat
Deal found 16/3C$ 795
Wed 27/511:55 p.m.
YYZ
-
OPO
Nonstop6h 50m
Air Transat
Mon 8/61:30 p.m.
OPO
-
YYZ
Nonstop7h 55m
Air Transat
Deal found 18/3C$ 799
Mon 4/511:55 p.m.
YYZ
-
OPO
Nonstop6h 50m
Porter Airlines
Mon 11/51:30 p.m.
OPO
-
YYZ
Nonstop7h 55m
Porter Airlines
Deal found 19/3C$ 802
Sun 17/511:55 p.m.
YYZ
-
OPO
Nonstop6h 50m
Air Transat
Thu 28/51:30 p.m.
OPO
-
YYZ
Nonstop7h 55m
Air Transat
Deal found 18/3C$ 805
Last-minute flights from Niagara Falls to Porto
Discover last-minute flight deals from Niagara Falls to Porto. Data last updated 20 March 2026 and is based on user searches.
Sat 4/46:20 p.m.
YYZ
-
OPO
1 stop11h 55m
Air Canada
Thu 9/46:20 a.m.
OPO
-
YYZ
1 stop17h 10m
Air Canada
Deal found 19/3C$ 707
Sat 4/48:20 p.m.
YYZ
-
OPO
1 stop22h 05m
Lufthansa
Thu 9/46:20 a.m.
OPO
-
YYZ
1 stop17h 10m
Lufthansa
Deal found 19/3C$ 711
Sat 4/411:30 p.m.
YYZ
-
OPO
1 stop17h 30m
Delta
Wed 15/45:00 a.m.
OPO
-
YYZ
1 stop19h 55m
Delta
Deal found 17/3C$ 739
Sun 12/48:45 p.m.
YYZ
-
OPO
1 stop13h 15m
Azores Airlines
Sun 19/43:40 p.m.
OPO
-
YYZ
1 stop32h 50m
Azores Airlines
Deal found 15/3C$ 728
Mon 13/48:20 p.m.
YYZ
-
OPO
1 stop22h 05m
Multiple Airlines
Wed 22/411:05 a.m.
OPO
-
YYZ
2 stops17h 49m
Multiple Airlines
Deal found 19/3C$ 730
Mon 13/48:20 p.m.
YYZ
-
OPO
1 stop22h 05m
Multiple Airlines
Sat 18/46:00 a.m.
OPO
-
YYZ
2 stops17h 30m
Multiple Airlines
Deal found 17/3C$ 737
Sun 19/48:45 p.m.
YYZ
-
OPO
1 stop13h 15m
Azores Airlines
Sun 3/53:40 p.m.
OPO
-
YYZ
1 stop32h 50m
Azores Airlines
Deal found 17/3C$ 729
One-way flights from Niagara Falls to Porto
Search for one-way flight options from Niagara Falls to Porto. Find affordable one-way fares based on user searches. Data last updated 20 March 2026.
Sun 10/58:45 p.m.
YYZ
-
OPO
1 stop13h 15m
Azores Airlines
Deal found 16/3C$ 369
Sun 19/48:45 p.m.
YYZ
-
OPO
1 stop13h 15m
Azores Airlines
Deal found 16/3C$ 386
Sun 17/58:45 p.m.
YYZ
-
OPO
1 stop13h 15m
Azores Airlines
Deal found 18/3C$ 393
Sun 24/58:45 p.m.
YYZ
-
OPO
1 stop13h 15m
Azores Airlines
Deal found 17/3C$ 394
Sun 14/610:05 p.m.
YYZ
-
OPO
2 stops28h 15m
Multiple Airlines
Deal found 16/3C$ 409
Tue 26/510:05 p.m.
YYZ
-
OPO
2 stops19h 55m
Multiple Airlines
Deal found 18/3C$ 420
Find flight deals from Niagara Falls to Porto
Keep the following information in mind while searching for Niagara Falls to Porto flight deals. Data was last updated 20 March 2026.
Customize your flight search to find flights from Niagara Falls to Porto 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 20 March 2026.
Use the filters below to find and compare flights from Niagara Falls to Porto that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
Cheapest round-trip
TorontoPorto
YYZ - OPO
YYZOPO
Toronto Pearson Intl
Sat 4/4
6:20 p.m.-11:15 a.m.
1 stop11h 55m
Porto
Thu 9/4
6:20 a.m.-6:30 p.m.
1 stop17h 10m
C$ 722
TorontoPorto
YYZ - OPO
YYZOPO
Toronto Pearson Intl
Sat 4/4
9:55 p.m.-3:30 p.m.
1 stop12h 35m
Porto
Wed 15/4
5:00 a.m.-7:55 p.m.
1 stop19h 55m
C$ 747
TorontoPorto
YYZ - OPO
YYZOPO
Toronto Pearson Intl
Sun 10/5
6:00 p.m.-10:00 p.m.
1 stop23h 00m
Porto
Thu 21/5
5:55 a.m.-11:41 p.m.
2 stops22h 46m
C$ 789
TorontoPorto
YYZ - OPO
YYZOPO
Toronto Pearson Intl
Mon 11/5
11:55 p.m.-11:45 a.m.
Nonstop6h 50m
Porto
Fri 22/5
8:25 a.m.-4:38 p.m.
1 stop13h 13m
C$ 795
TorontoPorto
YYZ - OPO
YYZOPO
Toronto Pearson Intl
Wed 6/5
11:55 p.m.-11:45 a.m.
Nonstop6h 50m
Porto
Fri 5/6
8:25 a.m.-4:38 p.m.
1 stop13h 13m
C$ 796
TorontoPorto
YYZ - OPO
YYZOPO
Toronto Pearson Intl
Sun 10/5
11:55 p.m.-11:45 a.m.
Nonstop6h 50m
Porto
Sun 17/5
8:25 a.m.-5:40 p.m.
1 stop14h 15m
C$ 816
TorontoPorto
YYZ - OPO
YYZOPO
Toronto Pearson Intl
Mon 27/4
9:35 a.m.-11:15 a.m.
2 stops20h 40m
Porto
Tue 5/5
6:00 a.m.-10:04 a.m.
2 stops33h 04m
C$ 826
Quickest round-trip
TorontoPorto
YYZ - OPO
YYZOPO
Toronto Pearson Intl
Mon 1/6
11:55 p.m.-11:45 a.m.
Nonstop6h 50m
Porto
Thu 4/6
1:30 p.m.-4:25 p.m.
Nonstop7h 55m
C$ 832
TorontoPorto
YYZ - OPO
YYZOPO
Toronto Pearson Intl
Sat 4/4
6:14 p.m.-3:30 p.m.
2 stops16h 16m
Porto
Tue 14/4
5:00 a.m.-9:15 p.m.
2 stops21h 15m
C$ 859
TorontoPorto
YYZ - OPO
YYZOPO
Toronto Pearson Intl
Mon 30/3
12:15 p.m.-3:25 p.m.
2 stops22h 10m
Porto
Sat 18/4
5:55 a.m.-9:30 p.m.
1 stop20h 35m
C$ 917
Flights are sorted by cheapest round-trip flights first.
Deals found on 19/3
Showing 1-10 of 23 resultsSorted by cheapest first
1
2
3
Best time to book a flight from Niagara Falls to Porto
Have a flexible travel schedule? Discover the best time to fly to Porto from Niagara Falls with our price prediction graph.
YYZ-OPO
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 Niagara Falls to Porto
NI4-OPO
YYZ-OPO
How far ahead should I book a flight from Niagara Falls to Porto?
Use this chart to determine the optimal time to book a round-trip flight from Niagara Falls to Porto. Price data was last updated on 13 March 2026.
To ensure you get the cheapest price possible for a flight from Niagara Falls to Porto, 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.
What is the cheapest month to book a flight from Niagara Falls to Porto?
Currently, October is the cheapest month in which you can book a flight from Niagara Falls to Porto (average of C$ 454). Flying from Niagara Falls to Porto in July is currently the most expensive (average of C$ 861). 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 NI4 to OPO?
Find hourly flight availability from Niagara Falls to Porto. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 20 March 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Niagara Falls to Porto as you normally would.
Reviews of airlines servicing Porto
Get insights into the airlines that provide service to Porto. 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 Porto. Reviews last updated 20 March 2026.
Get a feel of what it's like to fly with Porter Airlines,Air Transat, andAzores Airlines from Niagara Falls to Porto by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
I'm 6ft 4in. The seats don't have enough room. But was a good flight.
Related info for your journey
Find useful and relevant information for your journey from Niagara Falls to Porto. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
What airport do you fly into for flights to Porto from Niagara Falls?
Porto (OPO) is the airport you will fly into if you book a flight from Niagara Falls to Porto. You should not have trouble finding flights to Porto from Niagara Falls; the airport handles an average of 0 inbound flights from Niagara Falls per day. You should also have plenty of airline options to choose from since 8 airlines have flights to the Porto airport from Niagara Falls. It is only a 10.9 km journey from Porto (OPO) to Porto’s city centre.
How long is the flight from Niagara Falls to Porto?
Departing from Niagara Falls to Porto will take you 6h 50m. The distance between Niagara Falls and Porto is about 5638 km. This flight may include one or multiple stops.
What are the cheapest airlines to fly from Niagara Falls to Porto one-way?
C$ 341 is the cheapest one-way deal found within the past few days, from Air Transat. You may also be able to find cheap deals on Azores Airlines and Porter Airlines, with prices starting from C$ 362 and C$ 371, respectively.
What are the cheapest flights from Niagara Falls to Porto?
Looking for the cheapest flight from Niagara Falls to Porto? While on average our users pay C$ 790, our data indicates the cheapest price to be C$ 480. The most popular route (Toronto Pearson Intl - Porto), is priced around C$ 702.
Can I find deals for business class flights from Niagara Falls to Porto?
Yes. Cheapflights offers flight deals from Niagara Falls to Porto 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 Niagara Falls to Porto?
Currently, October is the cheapest month in which you can book a flight from Niagara Falls to Porto (average of C$ 454). Flying from Niagara Falls to Porto in July is currently the most expensive (average of C$ 861). 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.
Discover the top 8 airlines that operate flights from Niagara Falls to Porto. 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 20 March 2026.
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 Niagara Falls to Porto?
Deals for Niagara Falls to Porto flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.
Why should you use Cheapflights to find cheap flight tickets from Niagara Falls to Porto?
By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Porto from Niagara Falls.
Can Cheapflights find flights from Niagara Falls to Porto with no change fees?
Certainly. Search results for flights to Porto from Niagara Falls 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 Niagara Falls to Porto become cheaper?
Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Porto from Niagara Falls today and book when prices fit your budget.
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