Cheap flights from Niagara Falls, ON to Porto from C$ 377
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 6/2. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — OPO
31 Dec — 7 Jan1
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 January or February, booked 74 days in advance, depart on a Saturday or Tuesday and return on a Sunday
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 1 December 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 1 December 2025.
Fri 5/127:10 p.m.YYZ - OPO
Nonstop6h 55mAir Transat
Sat 28/28:50 a.m.OPO - YYZ
Nonstop8h 15mAir Transat
Deal found 29/11C$ 698
Tue 9/129:05 p.m.YYZ - OPO
1 stop9h 45mMultiple Airlines
Mon 9/28:40 p.m.OPO - YYZ
2 stops23h 10mMultiple Airlines
Deal found 30/11C$ 739
Tue 9/129:05 p.m.YYZ - OPO
1 stop9h 45mAzores Airlines
Sun 14/1212:40 p.m.OPO - YYZ
1 stop12h 10mAzores Airlines
Deal found 28/11C$ 768
Tue 9/129:05 p.m.YYZ - OPO
1 stop9h 45mAzores Airlines
Mon 9/29:55 p.m.OPO - YYZ
1 stop26h 55mAzores Airlines
Deal found 30/11C$ 770
Wed 31/127:45 p.m.YYZ - OPO
1 stop22h 55mMultiple Airlines
Sat 17/16:00 a.m.OPO - YYZ
1 stop18h 45mMultiple Airlines
Deal found 1/12C$ 774
Fri 26/127:10 p.m.YYZ - OPO
Nonstop6h 55mAir Transat
Sat 7/28:50 a.m.OPO - YYZ
Nonstop8h 15mAir Transat
Deal found 29/11C$ 781
Tue 9/129:05 p.m.YYZ - OPO
1 stop9h 45mAzores Airlines
Tue 10/212:40 p.m.OPO - YYZ
1 stop12h 10mAzores Airlines
Deal found 30/11C$ 793
Tue 9/125:50 p.m.YYZ - OPO
1 stop11h 40mKLM
Sat 13/1211:15 a.m.OPO - YYZ
1 stop13h 00mKLM
Deal found 28/11C$ 809
Tue 9/129:05 p.m.YYZ - OPO
1 stop9h 45mAzores Airlines
Wed 11/210:05 p.m.OPO - YYZ
1 stop26h 45mAzores Airlines
Deal found 30/11C$ 842
Wed 24/127:10 p.m.YYZ - OPO
Nonstop6h 55mAir Transat
Sat 7/28:50 a.m.OPO - YYZ
Nonstop8h 15mAir Transat
Deal found 30/11C$ 844
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 1 December 2025.
Fri 8/511:55 p.m.YYZ - OPO
Nonstop6h 50mAir Transat
Fri 15/58:25 a.m.OPO - YYZ
1 stop13h 13mAir Transat
Deal found 30/11C$ 701
Sun 22/212:05 p.m.YYZ - OPO
2 stops16h 25mUnited Airlines
Sun 8/312:35 p.m.OPO - YYZ
2 stops29h 39mUnited Airlines
Deal found 30/11C$ 729
Mon 11/511:55 p.m.YYZ - OPO
Nonstop6h 50mPorter Airlines
Tue 19/51:30 p.m.OPO - YYZ
Nonstop7h 55mPorter Airlines
Deal found 30/11C$ 740
Thu 22/16:15 p.m.YYZ - OPO
1 stop12h 25mLufthansa
Thu 29/16:00 a.m.OPO - YYZ
1 stop18h 45mLufthansa
Deal found 30/11C$ 740
Sat 2/55:35 p.m.YYZ - OPO
1 stop9h 35mTAP AIR PORTUGAL
Thu 14/57:00 a.m.OPO - YYZ
1 stop12h 00mTAP AIR PORTUGAL
Deal found 30/11C$ 766
Tue 3/26:45 p.m.YYZ - OPO
1 stop10h 45mDelta
Sun 8/25:00 a.m.OPO - YYZ
1 stop15h 40mDelta
Deal found 29/11C$ 781
Fri 1/511:55 p.m.YYZ - OPO
Nonstop6h 50mAir Transat
Mon 18/51:30 p.m.OPO - YYZ
Nonstop7h 55mAir Transat
Deal found 30/11C$ 701
Mon 23/22:45 p.m.YYZ - OPO
2 stops13h 45mUnited Airlines
Wed 25/36:00 a.m.OPO - YYZ
2 stops19h 21mUnited Airlines
Deal found 29/11C$ 749
Tue 12/55:35 p.m.YYZ - OPO
1 stop10h 25mTAP AIR PORTUGAL
Sun 17/57:05 a.m.OPO - YYZ
1 stop11h 55mTAP AIR PORTUGAL
Deal found 30/11C$ 766
Mon 11/511:55 p.m.YYZ - OPO
Nonstop6h 50mAir Transat
Sun 17/58:25 a.m.OPO - YYZ
1 stop13h 13mAir Transat
Deal found 30/11C$ 701
Mon 11/55:45 p.m.YYZ - OPO
1 stop10h 15mTAP AIR PORTUGAL
Sun 17/511:55 a.m.OPO - YYZ
1 stop14h 10mTAP AIR PORTUGAL
Deal found 30/11C$ 766
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 1 December 2025.
Fri 27/27:10 p.m.YYZ - OPO
Nonstop6h 55mAir Transat
Sat 28/38:50 a.m.OPO - YYZ
Nonstop8h 15mAir Transat
Deal found 1/12C$ 696
Fri 5/127:10 p.m.YYZ - OPO
Nonstop6h 55mAir Transat
Sat 28/28:50 a.m.OPO - YYZ
Nonstop8h 15mAir Transat
Deal found 29/11C$ 698
Fri 23/17:10 p.m.YYZ - OPO
Nonstop6h 55mPorter Airlines
Sat 31/18:50 a.m.OPO - YYZ
Nonstop8h 15mPorter Airlines
Deal found 30/11C$ 700
Wed 25/27:10 p.m.YYZ - OPO
Nonstop6h 55mAir Transat
Thu 12/38:50 a.m.OPO - YYZ
Nonstop8h 15mAir Transat
Deal found 1/12C$ 728
Fri 26/127:10 p.m.YYZ - OPO
Nonstop6h 55mAir Transat
Sat 7/28:50 a.m.OPO - YYZ
Nonstop8h 15mAir Transat
Deal found 29/11C$ 781
Wed 25/27:10 p.m.YYZ - OPO
Nonstop6h 55mAir Transat
Sat 14/38:50 a.m.OPO - YYZ
Nonstop8h 15mAir Transat
Deal found 1/12C$ 788
Fri 13/27:10 p.m.YYZ - OPO
Nonstop6h 55mAir Transat
Sat 21/28:50 a.m.OPO - YYZ
Nonstop8h 15mAir Transat
Deal found 29/11C$ 820
Fri 13/27:10 p.m.YYZ - OPO
Nonstop6h 55mAir Transat
Sat 28/28:50 a.m.OPO - YYZ
Nonstop8h 15mAir Transat
Deal found 29/11C$ 841
Wed 24/127:10 p.m.YYZ - OPO
Nonstop6h 55mAir Transat
Sat 7/28:50 a.m.OPO - YYZ
Nonstop8h 15mAir Transat
Deal found 30/11C$ 844
Fri 2/17:10 p.m.YYZ - OPO
Nonstop6h 55mAir Transat
Sat 24/18:50 a.m.OPO - YYZ
Nonstop8h 15mAir Transat
Deal found 30/11C$ 845
Last-minute flights from Niagara Falls to Porto
Discover last-minute flight deals from Niagara Falls to Porto. Data last updated 1 December 2025 and is based on user searches.
Fri 5/127:10 p.m.YYZ - OPO
Nonstop6h 55mAir Transat
Sat 28/28:50 a.m.OPO - YYZ
Nonstop8h 15mAir Transat
Deal found 29/11C$ 698
Tue 9/129:05 p.m.YYZ - OPO
1 stop9h 45mMultiple Airlines
Mon 9/28:40 p.m.OPO - YYZ
2 stops23h 10mMultiple Airlines
Deal found 30/11C$ 739
Tue 9/129:05 p.m.YYZ - OPO
1 stop9h 45mAzores Airlines
Sun 14/1212:40 p.m.OPO - YYZ
1 stop12h 10mAzores Airlines
Deal found 28/11C$ 768
Wed 14/15:25 p.m.YYZ - OPO
1 stop16h 30mMultiple Airlines
Wed 21/16:45 a.m.OPO - YYZ
1 stop14h 10mMultiple Airlines
Deal found 30/11C$ 728
Fri 16/110:45 p.m.YYZ - OPO
1 stop18h 15mTAP AIR PORTUGAL
Sat 24/18:00 p.m.OPO - YYZ
1 stop23h 25mTAP AIR PORTUGAL
Deal found 29/11C$ 700
Fri 16/19:05 p.m.YYZ - OPO
1 stop19h 10mMultiple Airlines
Sat 24/18:40 p.m.OPO - YYZ
2 stops28h 35mMultiple Airlines
Deal found 29/11C$ 735
Wed 21/17:40 p.m.YYZ - OPO
2 stops14h 15mMultiple Airlines
Mon 26/16:30 a.m.OPO - YYZ
2 stops16h 45mMultiple Airlines
Deal found 1/12C$ 694
Fri 23/19:25 p.m.YYZ - OPO
2 stops22h 05mMultiple Airlines
Sat 31/11:00 p.m.OPO - YYZ
2 stops35h 10mMultiple Airlines
Deal found 30/11C$ 717
Fri 23/17:10 p.m.YYZ - OPO
Nonstop6h 55mPorter Airlines
Sat 31/18:50 a.m.OPO - YYZ
Nonstop8h 15mPorter Airlines
Deal found 1/12C$ 731
Fri 23/16:15 p.m.YYZ - OPO
1 stop12h 25mLufthansa
Sat 31/16:00 a.m.OPO - YYZ
1 stop15h 15mLufthansa
Deal found 30/11C$ 733
Thu 29/111:00 a.m.YYZ - OPO
2 stops19h 40mAir Canada
Tue 3/26:00 a.m.OPO - YYZ
1 stop15h 15mAir Canada
Deal found 29/11C$ 740
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 1 December 2025.
Fri 6/29:05 p.m.YYZ - OPO
1 stop9h 45mAzores Airlines
Deal found 30/11C$ 377
Tue 13/19:05 p.m.YYZ - OPO
1 stop9h 45mAzores Airlines
Deal found 30/11C$ 388
Tue 27/19:05 p.m.YYZ - OPO
1 stop9h 45mAzores Airlines
Deal found 30/11C$ 390
Fri 30/19:05 p.m.YYZ - OPO
1 stop9h 45mAzores Airlines
Deal found 29/11C$ 401
Thu 19/29:05 p.m.YYZ - OPO
1 stop9h 45mAzores Airlines
Deal found 30/11C$ 412
Sun 1/29:05 p.m.YYZ - OPO
1 stop9h 45mAzores Airlines
Deal found 29/11C$ 416
Wed 7/17:10 p.m.YYZ - OPO
Nonstop6h 55mAir Transat
Deal found 30/11C$ 419
Tue 3/29:05 p.m.YYZ - OPO
1 stop19h 10mAzores Airlines
Deal found 29/11C$ 427
Fri 6/29:05 p.m.YYZ - OPO
2 stops15h 25mMultiple Airlines
Deal found 30/11C$ 429
Mon 19/19:40 a.m.YYZ - OPO
3 stops28h 50mMultiple Airlines
Deal found 29/11C$ 430
Fri 23/19:05 p.m.YYZ - OPO
2 stops15h 55mMultiple Airlines
Deal found 29/11C$ 433
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 1 December 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
Fri 8/5
11:55 p.m.-11:45 a.m.
Nonstop6h 50m
Porto
Fri 15/5
8:25 a.m.-4:38 p.m.
1 stop13h 13m
C$ 701
TorontoPorto
YYZ - OPO
YYZOPO
Toronto Pearson Intl
Fri 1/5
11:55 p.m.-11:45 a.m.
Nonstop6h 50m
Porto
Mon 18/5
1:30 p.m.-4:25 p.m.
Nonstop7h 55m
C$ 701
TorontoPorto
YYZ - OPO
YYZOPO
Toronto Pearson Intl
Mon 11/5
11:55 p.m.-11:45 a.m.
Nonstop6h 50m
Porto
Sun 17/5
8:25 a.m.-4:38 p.m.
1 stop13h 13m
C$ 701
TorontoPorto
YYZ - OPO
YYZOPO
Toronto Pearson Intl
Sun 22/2
12:05 p.m.-9:30 a.m.
2 stops16h 25m
Porto
Sun 8/3
12:35 p.m.-2:14 p.m.
2 stops29h 39m
C$ 729
TorontoPorto
YYZ - OPO
YYZOPO
Toronto Pearson Intl
Mon 11/5
11:55 p.m.-11:45 a.m.
Nonstop6h 50m
Porto
Tue 19/5
1:30 p.m.-4:25 p.m.
Nonstop7h 55m
C$ 740
TorontoPorto
YYZ - OPO
YYZOPO
Toronto Pearson Intl
Thu 22/1
6:15 p.m.-11:40 a.m.
1 stop12h 25m
Porto
Thu 29/1
6:00 a.m.-7:45 p.m.
1 stop18h 45m
C$ 740
TorontoPorto
YYZ - OPO
YYZOPO
Toronto Pearson Intl
Mon 23/2
2:45 p.m.-9:30 a.m.
2 stops13h 45m
Porto
Wed 25/3
6:00 a.m.-9:21 p.m.
2 stops19h 21m
C$ 749
TorontoPorto
YYZ - OPO
YYZOPO
Toronto Pearson Intl
Sat 2/5
5:35 p.m.-8:10 a.m.
1 stop9h 35m
Porto
Thu 14/5
7:00 a.m.-2:00 p.m.
1 stop12h 00m
C$ 766
TorontoPorto
YYZ - OPO
YYZOPO
Toronto Pearson Intl
Tue 12/5
5:35 p.m.-9:00 a.m.
1 stop10h 25m
Porto
Sun 17/5
7:05 a.m.-2:00 p.m.
1 stop11h 55m
C$ 766
TorontoPorto
YYZ - OPO
YYZOPO
Toronto Pearson Intl
Mon 11/5
5:45 p.m.-9:00 a.m.
1 stop10h 15m
Porto
Sun 17/5
11:55 a.m.-9:05 p.m.
1 stop14h 10m
C$ 766
Flights are sorted by cheapest round-trip flights first.
Deals found on 30/11
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 28 November 2025.
To ensure you get the cheapest price possible for a flight from Niagara Falls to Porto, you should look to book at least 74 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$ 462). Flying from Niagara Falls to Porto in July is currently the most expensive (average of C$ 887). 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 1 December 2025.
It’s typically best to fly out from Niagara Falls to Porto in the morning. Doing so could potentially save you 23% on the flight price compared to flying at noon, which is usually more expensive.
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 1 December 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.
It's good. Planes are new and fresh. WiFi is best and stands out
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 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 flights from Niagara Falls to Porto?
Looking for the cheapest flight from Niagara Falls to Porto? While on average our users pay C$ 762, our data indicates the cheapest price to be C$ 175. The most popular route (Toronto Pearson Intl - Porto), is priced around C$ 557.
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$ 462). Flying from Niagara Falls to Porto in July is currently the most expensive (average of C$ 887). 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 1 December 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 1 December 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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