Cheap flights from Niagara Falls, ON to Porto from C$ 370
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 22/6. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — OPO
18 May — 25 May1
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 November or February, 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 18 April 2026.
Sun 7/67:35 a.m.
YYZ
-
OPO
3 stops32h 05m
Multiple Airlines
Tue 16/68:25 a.m.
OPO
-
YYZ
1 stop15h 13m
Multiple Airlines
Deal found 15/4C$ 745
Fri 5/66:15 p.m.
YYZ
-
OPO
2 stops21h 35m
Multiple Airlines
Fri 19/69:45 p.m.
OPO
-
YYZ
1 stop21h 15m
Multiple Airlines
Deal found 16/4C$ 757
Tue 2/67:35 a.m.
YYZ
-
OPO
3 stops33h 05m
Multiple Airlines
Wed 10/610:30 p.m.
OPO
-
YYZ
2 stops19h 50m
Multiple Airlines
Deal found 16/4C$ 760
Mon 1/610:55 p.m.
YYZ
-
OPO
2 stops19h 45m
Multiple Airlines
Wed 10/65:45 p.m.
OPO
-
YYZ
2 stops24h 35m
Multiple Airlines
Deal found 16/4C$ 761
Sun 31/59:55 p.m.
YYZ
-
OPO
2 stops41h 10m
Multiple Airlines
Tue 9/61:30 p.m.
OPO
-
YYZ
Nonstop7h 55m
Multiple Airlines
Deal found 14/4C$ 762
Mon 8/610:55 p.m.
YYZ
-
OPO
2 stops18h 15m
Multiple Airlines
Tue 16/61:30 p.m.
OPO
-
YYZ
Nonstop7h 55m
Multiple Airlines
Deal found 14/4C$ 765
Mon 1/610:55 p.m.
YYZ
-
OPO
2 stops19h 45m
Multiple Airlines
Tue 9/66:55 a.m.
OPO
-
YYZ
3 stops43h 50m
Multiple Airlines
Deal found 15/4C$ 767
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 18 April 2026.
Sun 24/56:00 a.m.
YYZ
-
OPO
1 stop23h 25m
Delta
Wed 24/612:40 p.m.
OPO
-
YYZ
1 stop27h 41m
Delta
Deal found 16/4C$ 887
Mon 18/54:45 p.m.
YYZ
-
OPO
1 stop24h 30m
KLM
Mon 25/512:15 p.m.
OPO
-
YYZ
1 stop16h 01m
KLM
Deal found 15/4C$ 892
Sun 14/611:55 p.m.
YYZ
-
OPO
Nonstop6h 50m
Porter Airlines
Thu 18/61:30 p.m.
OPO
-
YYZ
Nonstop7h 55m
Porter Airlines
Deal found 13/4C$ 931
Fri 11/98:10 p.m.
YYZ
-
OPO
2 stops29h 45m
United Airlines
Tue 22/99:00 a.m.
OPO
-
YYZ
2 stops18h 11m
United Airlines
Deal found 13/4C$ 1,077
Sun 31/510:55 p.m.
YYZ
-
OPO
2 stops18h 05m
Delta
Tue 9/61:05 p.m.
OPO
-
YYZ
1 stop15h 10m
Delta
Deal found 14/4C$ 913
Wed 6/54:45 p.m.
YYZ
-
OPO
1 stop24h 30m
KLM
Wed 13/55:00 a.m.
OPO
-
YYZ
2 stops15h 14m
KLM
Deal found 13/4C$ 921
Sun 10/510:55 p.m.
YYZ
-
OPO
2 stops18h 05m
Delta
Wed 10/65:00 a.m.
OPO
-
YYZ
2 stops15h 19m
Delta
Deal found 13/4C$ 931
Sat 16/56:00 a.m.
YYZ
-
OPO
2 stops23h 55m
Delta
Tue 26/51:05 p.m.
OPO
-
YYZ
1 stop15h 11m
Delta
Deal found 18/4C$ 934
Wed 6/54:11 p.m.
YYZ
-
OPO
2 stops18h 14m
Delta
Thu 14/55:00 a.m.
OPO
-
YYZ
1 stop13h 20m
Delta
Deal found 17/4C$ 949
Wed 29/42:15 p.m.
YYZ
-
OPO
2 stops20h 10m
Delta
Sat 16/55:00 a.m.
OPO
-
YYZ
2 stops15h 19m
Delta
Deal found 13/4C$ 1,031
Sat 16/512:05 p.m.
YYZ
-
OPO
2 stops17h 50m
Delta
Sun 24/512:25 p.m.
OPO
-
YYZ
1 stop15h 56m
Delta
Deal found 18/4C$ 1,054
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 18 April 2026.
Sun 31/511:55 p.m.
YYZ
-
OPO
Nonstop6h 50m
Air Transat
Tue 9/61:30 p.m.
OPO
-
YYZ
Nonstop7h 55m
Air Transat
Deal found 13/4C$ 824
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 14/4C$ 832
Fri 5/611:55 p.m.
YYZ
-
OPO
Nonstop6h 50m
Air Transat
Sat 20/61:30 p.m.
OPO
-
YYZ
Nonstop7h 55m
Air Transat
Deal found 14/4C$ 836
Mon 25/511:55 p.m.
YYZ
-
OPO
Nonstop6h 50m
Air Transat
Thu 4/61:30 p.m.
OPO
-
YYZ
Nonstop7h 55m
Air Transat
Deal found 14/4C$ 838
Mon 1/611:55 p.m.
YYZ
-
OPO
Nonstop6h 50m
Air Transat
Thu 18/61:30 p.m.
OPO
-
YYZ
Nonstop7h 55m
Air Transat
Deal found 13/4C$ 839
Mon 8/611:55 p.m.
YYZ
-
OPO
Nonstop6h 50m
Air Transat
Tue 16/61:30 p.m.
OPO
-
YYZ
Nonstop7h 55m
Air Transat
Deal found 14/4C$ 842
Mon 18/511:55 p.m.
YYZ
-
OPO
Nonstop6h 50m
Air Transat
Thu 28/51:30 p.m.
OPO
-
YYZ
Nonstop7h 55m
Air Transat
Deal found 14/4C$ 856
Mon 8/611:55 p.m.
YYZ
-
OPO
Nonstop6h 50m
Air Transat
Mon 15/61:30 p.m.
OPO
-
YYZ
Nonstop7h 55m
Air Transat
Deal found 13/4C$ 858
Last-minute flights from Niagara Falls to Porto
Discover last-minute flight deals from Niagara Falls to Porto. Data last updated 18 April 2026 and is based on user searches.
Tue 21/411:30 p.m.
YYZ
-
OPO
1 stop17h 35m
KLM
Tue 28/46:50 p.m.
OPO
-
YYZ
1 stop23h 30m
KLM
Deal found 14/4C$ 819
Mon 18/59:35 p.m.
YYZ
-
OPO
1 stop19h 10m
Multiple Airlines
Mon 25/510:25 p.m.
OPO
-
YYZ
2 stops23h 45m
Multiple Airlines
Deal found 14/4C$ 795
Mon 25/510:55 p.m.
YYZ
-
OPO
2 stops15h 10m
Multiple Airlines
Thu 4/61:30 p.m.
OPO
-
YYZ
Nonstop7h 55m
Multiple Airlines
Deal found 14/4C$ 769
Mon 25/59:35 p.m.
YYZ
-
OPO
2 stops19h 25m
Multiple Airlines
Tue 2/610:25 p.m.
OPO
-
YYZ
2 stops28h 20m
Multiple Airlines
Deal found 18/4C$ 788
Mon 25/510:55 p.m.
YYZ
-
OPO
2 stops15h 10m
Multiple Airlines
Mon 15/68:20 a.m.
OPO
-
YYZ
1 stop11h 40m
Multiple Airlines
Deal found 14/4C$ 797
Tue 26/57:35 a.m.
YYZ
-
OPO
3 stops30h 35m
Multiple Airlines
Tue 2/610:25 p.m.
OPO
-
YYZ
1 stop19h 55m
Multiple Airlines
Deal found 18/4C$ 793
Sun 31/59:55 p.m.
YYZ
-
OPO
2 stops41h 10m
Multiple Airlines
Tue 9/61:30 p.m.
OPO
-
YYZ
Nonstop7h 55m
Multiple Airlines
Deal found 14/4C$ 762
Sun 31/59:35 p.m.
YYZ
-
OPO
1 stop19h 25m
Multiple Airlines
Wed 10/68:25 a.m.
OPO
-
YYZ
1 stop28h 48m
Multiple Airlines
Deal found 16/4C$ 798
Sun 31/59:35 p.m.
YYZ
-
OPO
2 stops41h 30m
Multiple Airlines
Sat 20/61:30 p.m.
OPO
-
YYZ
Nonstop7h 55m
Multiple Airlines
Deal found 18/4C$ 810
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 18 April 2026.
Mon 22/66:20 p.m.
YYZ
-
OPO
3 stops22h 50m
Multiple Airlines
Deal found 15/4C$ 370
Tue 2/66:15 p.m.
YYZ
-
OPO
3 stops22h 25m
Multiple Airlines
Deal found 17/4C$ 374
Mon 1/610:55 p.m.
YYZ
-
OPO
2 stops19h 45m
Multiple Airlines
Deal found 15/4C$ 376
Sun 31/59:35 p.m.
YYZ
-
OPO
2 stops41h 30m
Multiple Airlines
Deal found 16/4C$ 379
Thu 18/611:05 p.m.
YYZ
-
OPO
2 stops28h 05m
Multiple Airlines
Deal found 14/4C$ 387
Thu 28/59:35 p.m.
YYZ
-
OPO
2 stops56h 55m
Multiple Airlines
Deal found 17/4C$ 394
Fri 29/511:05 p.m.
YYZ
-
OPO
2 stops31h 25m
Multiple Airlines
Deal found 14/4C$ 401
Sun 21/610:10 p.m.
YYZ
-
OPO
2 stops28h 10m
Multiple Airlines
Deal found 14/4C$ 412
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 18 April 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 18 April 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
Sun 24/5
6:00 a.m.-10:25 a.m.
1 stop23h 25m
Porto
Wed 24/6
12:40 p.m.-11:21 a.m.
1 stop27h 41m
C$ 887
TorontoPorto
YYZ - OPO
YYZOPO
Toronto Pearson Intl
Mon 18/5
4:45 p.m.-10:15 p.m.
1 stop24h 30m
Porto
Mon 25/5
12:15 p.m.-11:16 p.m.
1 stop16h 01m
C$ 892
TorontoPorto
YYZ - OPO
YYZOPO
Toronto Pearson Intl
Sun 31/5
10:55 p.m.-10:00 p.m.
2 stops18h 05m
Porto
Tue 9/6
1:05 p.m.-11:15 p.m.
1 stop15h 10m
C$ 913
TorontoPorto
YYZ - OPO
YYZOPO
Toronto Pearson Intl
Wed 6/5
4:45 p.m.-10:15 p.m.
1 stop24h 30m
Porto
Wed 13/5
5:00 a.m.-3:14 p.m.
2 stops15h 14m
C$ 921
Quickest round-trip
TorontoPorto
YYZ - OPO
YYZOPO
Toronto Pearson Intl
Sun 14/6
11:55 p.m.-11:45 a.m.
Nonstop6h 50m
Porto
Thu 18/6
1:30 p.m.-4:25 p.m.
Nonstop7h 55m
C$ 931
TorontoPorto
YYZ - OPO
YYZOPO
Toronto Pearson Intl
Sun 10/5
10:55 p.m.-10:00 p.m.
2 stops18h 05m
Porto
Wed 10/6
5:00 a.m.-3:19 p.m.
2 stops15h 19m
C$ 931
TorontoPorto
YYZ - OPO
YYZOPO
Toronto Pearson Intl
Sat 16/5
6:00 a.m.-10:55 a.m.
2 stops23h 55m
Porto
Tue 26/5
1:05 p.m.-11:16 p.m.
1 stop15h 11m
C$ 934
TorontoPorto
YYZ - OPO
YYZOPO
Toronto Pearson Intl
Wed 6/5
4:11 p.m.-3:25 p.m.
2 stops18h 14m
Porto
Thu 14/5
5:00 a.m.-1:20 p.m.
1 stop13h 20m
C$ 949
TorontoPorto
YYZ - OPO
YYZOPO
Toronto Pearson Intl
Wed 29/4
2:15 p.m.-3:25 p.m.
2 stops20h 10m
Porto
Sat 16/5
5:00 a.m.-3:19 p.m.
2 stops15h 19m
C$ 1,031
TorontoPorto
YYZ - OPO
YYZOPO
Toronto Pearson Intl
Sat 16/5
12:05 p.m.-10:55 a.m.
2 stops17h 50m
Porto
Sun 24/5
12:25 p.m.-11:21 p.m.
1 stop15h 56m
C$ 1,054
Flights are sorted by cheapest round-trip flights first.
Deals found on 13/4
Showing 1-10 of 23 resultsSorted by cheapest first
1
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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 10 April 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 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 18 April 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.
How much does it cost to fly round-trip from Niagara Falls to Porto?
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 18 April 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 9 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 23h 25m. 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$ 342 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$ 368 and C$ 370, 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$ 889, our data indicates the cheapest price to be C$ 538. The most popular route (Toronto Pearson Intl - Porto), is priced around C$ 735.
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.
Discover the top 9 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 18 April 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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