Cheap flights from Niagara Falls to Porto from C$ 385
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 6/10. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — OPO
16 Oct — 23 Oct1
Round-trip
1 adult
Economy
Round-trip
1 adult, Economy
Cheapflights Tip: The best prices from Niagara Falls to Porto are usually found in January or February, booked 72 days in advance, depart on a Saturday or Tuesday and return on a Tuesday
Cheap 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 16 September 2025.
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 16 September 2025.
Mon 10/112:15 p.m.YYZ - OPO
2 stops14h 15mAir Canada
Sat 22/116:00 a.m.OPO - YYZ
1 stop15h 15mAir Canada
Deal found 16/9C$ 767
Fri 7/117:10 p.m.YYZ - OPO
Nonstop6h 55mMultiple Airlines
Sat 15/118:20 a.m.OPO - YYZ
2 stops18h 09mMultiple Airlines
Deal found 16/9C$ 772
Mon 17/117:45 p.m.YYZ - OPO
1 stop12h 05mAir Canada
Sun 23/1112:35 p.m.OPO - YYZ
2 stops22h 56mAir Canada
Deal found 15/9C$ 774
Sun 9/117:45 p.m.YYZ - OPO
1 stop12h 05mAir Canada
Thu 20/1112:35 p.m.OPO - YYZ
2 stops22h 56mAir Canada
Deal found 16/9C$ 775
Thu 30/102:15 p.m.YYZ - OPO
2 stops15h 15mUnited Airlines
Wed 12/1112:35 p.m.OPO - YYZ
1 stop13h 49mUnited Airlines
Deal found 15/9C$ 776
Fri 7/1110:45 p.m.YYZ - OPO
1 stop20h 45mTAP AIR PORTUGAL
Sat 15/116:00 p.m.OPO - YYZ
1 stop25h 25mTAP AIR PORTUGAL
Deal found 15/9C$ 781
Sun 14/126:00 p.m.YYZ - OPO
2 stops11h 00mMultiple Airlines
Sun 21/125:00 a.m.OPO - YYZ
1 stop12h 10mMultiple Airlines
Deal found 16/9C$ 782
Wed 15/105:40 p.m.YYZ - OPO
1 stop10h 20mTAP AIR PORTUGAL
Wed 22/1010:25 p.m.OPO - YYZ
1 stop20h 30mTAP AIR PORTUGAL
Deal found 15/9C$ 785
Thu 13/117:45 p.m.YYZ - OPO
1 stop12h 05mLufthansa
Fri 21/116:15 a.m.OPO - YYZ
2 stops15h 00mLufthansa
Deal found 15/9C$ 787
Sun 19/104:35 p.m.YYZ - OPO
1 stop20h 40mSWISS
Wed 22/108:40 a.m.OPO - YYZ
1 stop33h 10mSWISS
Deal found 15/9C$ 789
Sun 26/1010:15 p.m.YYZ - OPO
1 stop13h 10mDelta
Thu 6/1111:15 a.m.OPO - YYZ
1 stop13h 00mDelta
Deal found 15/9C$ 790
Tue 28/106:35 p.m.YYZ - OPO
1 stop12h 25mTAP AIR PORTUGAL
Sun 9/116:55 a.m.OPO - YYZ
1 stop12h 30mTAP AIR PORTUGAL
Deal found 15/9C$ 792
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 16 September 2025.
Sat 25/106:00 p.m.YYZ - OPO
1 stop11h 30mUnited Airlines
Wed 12/1112:35 p.m.OPO - YYZ
1 stop13h 49mUnited Airlines
Deal found 15/9C$ 776
Mon 9/210:45 p.m.YYZ - OPO
1 stop30h 45mDelta
Fri 13/211:15 a.m.OPO - YYZ
1 stop33h 25mDelta
Deal found 15/9C$ 783
Sun 19/104:35 p.m.YYZ - OPO
1 stop20h 40mSWISS
Wed 22/108:40 a.m.OPO - YYZ
1 stop33h 10mSWISS
Deal found 15/9C$ 789
Thu 5/29:15 p.m.YYZ - OPO
1 stop20h 10mDelta
Mon 16/211:15 a.m.OPO - YYZ
1 stop33h 25mDelta
Deal found 15/9C$ 789
Sat 25/108:15 a.m.YYZ - OPO
2 stops21h 15mUnited Airlines
Thu 30/1012:35 p.m.OPO - YYZ
1 stop12h 49mUnited Airlines
Deal found 14/9C$ 825
Sun 26/1010:15 p.m.YYZ - OPO
1 stop13h 10mDelta
Tue 11/1111:15 a.m.OPO - YYZ
1 stop13h 00mDelta
Deal found 15/9C$ 790
Fri 24/108:05 p.m.YYZ - OPO
2 stops33h 25mUnited Airlines
Wed 5/1112:35 p.m.OPO - YYZ
2 stops26h 54mUnited Airlines
Deal found 15/9C$ 825
Fri 20/26:45 p.m.YYZ - OPO
1 stop10h 45mDelta
Sat 28/26:00 a.m.OPO - YYZ
2 stops22h 02mDelta
Deal found 15/9C$ 819
Tue 11/116:45 p.m.YYZ - OPO
1 stop10h 45mDelta
Fri 28/116:30 a.m.OPO - YYZ
2 stops21h 20mDelta
Deal found 14/9C$ 821
Mon 9/26:00 a.m.YYZ - OPO
2 stops23h 15mDelta
Thu 12/211:15 a.m.OPO - YYZ
1 stop33h 25mDelta
Deal found 15/9C$ 821
Wed 12/1110:45 p.m.YYZ - OPO
1 stop30h 40mDelta
Wed 19/116:00 a.m.OPO - YYZ
2 stops32h 29mDelta
Deal found 15/9C$ 822
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 16 September 2025.
Fri 7/117:10 p.m.YYZ - OPO
Nonstop6h 55mAir Transat
Sat 15/118:50 a.m.OPO - YYZ
Nonstop8h 15mAir Transat
Deal found 15/9C$ 808
Fri 10/1011:55 p.m.YYZ - OPO
Nonstop6h 50mPorter Airlines
Sat 1/118:50 a.m.OPO - YYZ
Nonstop8h 15mPorter Airlines
Deal found 14/9C$ 854
Sat 25/108:10 p.m.YYZ - OPO
Nonstop6h 55mAir Transat
Sat 1/118:50 a.m.OPO - YYZ
Nonstop8h 15mAir Transat
Deal found 14/9C$ 872
Fri 7/117:10 p.m.YYZ - OPO
Nonstop6h 55mPorter Airlines
Sat 15/118:50 a.m.OPO - YYZ
Nonstop8h 15mPorter Airlines
Deal found 15/9C$ 901
Fri 24/1011:55 p.m.YYZ - OPO
Nonstop6h 50mAir Transat
Sat 8/118:50 a.m.OPO - YYZ
Nonstop8h 15mAir Transat
Deal found 15/9C$ 937
Fri 17/1011:55 p.m.YYZ - OPO
Nonstop6h 50mAir Transat
Sat 25/101:30 p.m.OPO - YYZ
Nonstop7h 55mAir Transat
Deal found 14/9C$ 1,042
Fri 26/127:10 p.m.YYZ - OPO
Nonstop6h 55mAir Transat
Thu 1/18:50 a.m.OPO - YYZ
Nonstop8h 15mAir Transat
Deal found 16/9C$ 1,054
Last-minute flights from Niagara Falls to Porto
Discover last-minute flight deals from Niagara Falls to Porto. Data last updated 16 September 2025 and is based on user searches.
Sat 11/1010:10 p.m.YYZ - OPO
1 stop13h 40mMultiple Airlines
Mon 3/118:20 a.m.OPO - YYZ
2 stops18h 09mMultiple Airlines
Deal found 14/9C$ 800
Tue 14/108:20 p.m.YYZ - OPO
1 stop22h 00mLufthansa
Tue 21/106:00 a.m.OPO - YYZ
1 stop15h 20mLufthansa
Deal found 14/9C$ 804
Wed 15/105:40 p.m.YYZ - OPO
1 stop10h 20mTAP AIR PORTUGAL
Wed 22/1010:25 p.m.OPO - YYZ
1 stop20h 30mTAP AIR PORTUGAL
Deal found 15/9C$ 785
Sun 19/104:35 p.m.YYZ - OPO
1 stop20h 40mSWISS
Wed 22/108:40 a.m.OPO - YYZ
1 stop33h 10mSWISS
Deal found 15/9C$ 789
Sun 26/1010:15 p.m.YYZ - OPO
1 stop13h 10mDelta
Thu 6/1111:15 a.m.OPO - YYZ
1 stop13h 00mDelta
Deal found 15/9C$ 790
Sun 26/1010:15 p.m.YYZ - OPO
1 stop32h 15mKLM
Mon 10/114:10 p.m.OPO - YYZ
1 stop32h 05mKLM
Deal found 15/9C$ 796
Mon 27/107:45 p.m.YYZ - OPO
1 stop10h 45mMultiple Airlines
Mon 10/114:10 p.m.OPO - YYZ
1 stop32h 05mMultiple Airlines
Deal found 15/9C$ 797
Tue 28/108:45 p.m.YYZ - OPO
1 stop12h 05mAir Canada
Wed 12/1112:35 p.m.OPO - YYZ
1 stop11h 42mAir Canada
Deal found 15/9C$ 775
Tue 28/106:35 p.m.YYZ - OPO
1 stop12h 25mTAP AIR PORTUGAL
Sun 9/116:55 a.m.OPO - YYZ
1 stop12h 30mTAP AIR PORTUGAL
Deal found 15/9C$ 792
Tue 28/106:50 p.m.YYZ - OPO
1 stop11h 40mKLM
Mon 10/114:10 p.m.OPO - YYZ
1 stop32h 05mKLM
Deal found 15/9C$ 805
Tue 28/108:45 p.m.YYZ - OPO
1 stop12h 05mAir Canada
Thu 6/116:00 a.m.OPO - YYZ
1 stop15h 15mAir Canada
Deal found 15/9C$ 808
Thu 30/102:15 p.m.YYZ - OPO
2 stops15h 15mUnited Airlines
Wed 12/1112:35 p.m.OPO - YYZ
1 stop13h 49mUnited Airlines
Deal found 15/9C$ 776
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 16 September 2025.
Mon 6/106:20 p.m.YYZ - OPO
3 stops22h 30mMultiple Airlines
Deal found 16/9C$ 385
Sun 19/1011:55 p.m.YYZ - OPO
3 stops17h 00mMultiple Airlines
Deal found 14/9C$ 398
Fri 14/119:05 p.m.YYZ - OPO
1 stop9h 45mAzores Airlines
Deal found 14/9C$ 401
Fri 17/1010:10 p.m.YYZ - OPO
3 stops18h 15mMultiple Airlines
Deal found 15/9C$ 405
Sun 16/119:05 p.m.YYZ - OPO
1 stop9h 45mAzores Airlines
Deal found 15/9C$ 409
Fri 5/129:05 p.m.YYZ - OPO
2 stops15h 25mMultiple Airlines
Deal found 15/9C$ 412
Sun 19/1011:55 p.m.YYZ - OPO
Nonstop6h 50mAir Transat
Deal found 14/9C$ 414
Tue 7/107:30 p.m.YYZ - OPO
3 stops14h 50mMultiple Airlines
Deal found 16/9C$ 416
Sun 5/1011:00 p.m.YYZ - OPO
1 stop15h 00mTAP AIR PORTUGAL
Deal found 14/9C$ 421
Cheapflights Fare Finder
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 16 September 2025.
Use the filters below to find and compare flights from Niagara Falls to Porto that are best for you.
Fly from
Niagara Falls
Fly to
Porto
Route
Depart
Return
Price
TorontoPorto
YYZ - OPO
YYZOPO
Toronto Pearson Intl
Sat 25/10
6:00 p.m.-10:30 a.m.
1 stop11h 30m
Porto
Wed 12/11
12:35 p.m.-9:24 p.m.
1 stop13h 49m
C$ 776
TorontoPorto
YYZ - OPO
YYZOPO
Toronto Pearson Intl
Mon 9/2
10:45 p.m.-10:30 a.m.
1 stop30h 45m
Porto
Fri 13/2
11:15 a.m.-3:40 p.m.
1 stop33h 25m
C$ 783
TorontoPorto
YYZ - OPO
YYZOPO
Toronto Pearson Intl
Sun 19/10
4:35 p.m.-6:15 p.m.
1 stop20h 40m
Porto
Wed 22/10
8:40 a.m.-12:50 p.m.
1 stop33h 10m
C$ 789
TorontoPorto
YYZ - OPO
YYZOPO
Toronto Pearson Intl
Thu 5/2
9:15 p.m.-10:25 p.m.
1 stop20h 10m
Porto
Mon 16/2
11:15 a.m.-3:40 p.m.
1 stop33h 25m
C$ 789
TorontoPorto
YYZ - OPO
YYZOPO
Toronto Pearson Intl
Sun 26/10
10:15 p.m.-3:25 p.m.
1 stop13h 10m
Porto
Tue 11/11
11:15 a.m.-7:15 p.m.
1 stop13h 00m
C$ 790
TorontoPorto
YYZ - OPO
YYZOPO
Toronto Pearson Intl
Fri 20/2
6:45 p.m.-10:30 a.m.
1 stop10h 45m
Porto
Sat 28/2
6:00 a.m.-11:02 p.m.
2 stops22h 02m
C$ 819
TorontoPorto
YYZ - OPO
YYZOPO
Toronto Pearson Intl
Tue 11/11
6:45 p.m.-10:30 a.m.
1 stop10h 45m
Porto
Fri 28/11
6:30 a.m.-10:50 p.m.
2 stops21h 20m
C$ 821
TorontoPorto
YYZ - OPO
YYZOPO
Toronto Pearson Intl
Mon 9/2
6:00 a.m.-10:15 a.m.
2 stops23h 15m
Porto
Thu 12/2
11:15 a.m.-3:40 p.m.
1 stop33h 25m
C$ 821
TorontoPorto
YYZ - OPO
YYZOPO
Toronto Pearson Intl
Wed 12/11
10:45 p.m.-10:25 a.m.
1 stop30h 40m
Porto
Wed 19/11
6:00 a.m.-9:29 a.m.
2 stops32h 29m
C$ 822
TorontoPorto
YYZ - OPO
YYZOPO
Toronto Pearson Intl
Sat 25/10
8:15 a.m.-10:30 a.m.
2 stops21h 15m
Porto
Thu 30/10
12:35 p.m.-9:24 p.m.
1 stop12h 49m
C$ 825
Flights are sorted by cheapest round-trip flights first.
Deals found on 16/9
Showing 1-10 of 21 results
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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.
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
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 12 September 2025.
To ensure you get the cheapest price possible for a flight from Niagara Falls to Porto, you should look to book at least 72 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, January is the cheapest month in which you can book a flight from Niagara Falls to Porto (average of C$ 483). Flying from Niagara Falls to Porto in July is currently the most expensive (average of C$ 791). 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 16 September 2025.
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 16 September 2025.
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.
Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
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 11h 30m. The distance between Niagara Falls and Porto is about 5638 km. This flight may include one or multiple stops.
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$ 914, our data indicates the cheapest price to be C$ 432. The most popular route (Toronto Pearson Intl - Porto), is priced around C$ 448.
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, January is the cheapest month in which you can book a flight from Niagara Falls to Porto (average of C$ 483). Flying from Niagara Falls to Porto in July is currently the most expensive (average of C$ 791). 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.
Explore flights to Porto departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 16 September 2025.
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 16 September 2025.
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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