Cheap flights from Niagara Falls, ON to Porto from C$ 390
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 15/4. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — OPO
22 Jan — 29 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 69 days in advance, depart on a Saturday or Tuesday and return on a Sunday
Cheap flight deals from Niagara Falls to Porto
Enter your travel dates to find the best prices.
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 23 December 2025.
Mon 29/127:10 p.m.YYZ - OPO
2 stops31h 30mAmerican Airlines
Mon 12/14:40 p.m.OPO - YYZ
2 stops28h 39mAmerican Airlines
Deal found 22/12C$ 859
Mon 29/127:10 p.m.YYZ - OPO
2 stops31h 30mAmerican Airlines
Tue 13/112:25 p.m.OPO - YYZ
2 stops56h 05mAmerican Airlines
Deal found 22/12C$ 873
Fri 26/127:10 p.m.YYZ - OPO
Nonstop6h 55mAir Transat
Sat 10/18:50 a.m.OPO - YYZ
Nonstop8h 15mAir Transat
Deal found 22/12C$ 1,026
Fri 26/127:10 p.m.YYZ - OPO
Nonstop6h 55mAir Transat
Sat 28/28:50 a.m.OPO - YYZ
Nonstop8h 15mAir Transat
Deal found 21/12C$ 1,035
Fri 26/127:10 p.m.YYZ - OPO
Nonstop6h 55mPorter Airlines
Sat 7/28:50 a.m.OPO - YYZ
Nonstop8h 15mPorter Airlines
Deal found 22/12C$ 1,106
Mon 29/1210:45 p.m.YYZ - OPO
1 stop11h 15mTAP AIR PORTUGAL
Tue 13/18:00 p.m.OPO - YYZ
1 stop30h 15mTAP AIR PORTUGAL
Deal found 22/12C$ 1,190
Mon 29/1210:55 p.m.YYZ - OPO
1 stop30h 35mMultiple Airlines
Mon 12/14:10 p.m.OPO - YYZ
1 stop28h 30mMultiple Airlines
Deal found 22/12C$ 1,232
Mon 29/1210:55 p.m.YYZ - OPO
1 stop30h 35mKLM
Mon 12/14:10 p.m.OPO - YYZ
1 stop28h 30mKLM
Deal found 22/12C$ 1,234
Mon 29/1210:00 a.m.YYZ - OPO
2 stops26h 00mMultiple Airlines
Tue 13/112:40 p.m.OPO - YYZ
1 stop12h 10mMultiple Airlines
Deal found 22/12C$ 1,254
Fri 26/129:20 p.m.YYZ - OPO
1 stop9h 50mAir Canada
Sat 28/212:35 p.m.OPO - YYZ
1 stop28h 13mAir Canada
Deal found 21/12C$ 1,267
Wed 31/127:10 p.m.YYZ - OPO
Nonstop6h 55mAir Transat
Sat 3/18:50 a.m.OPO - YYZ
Nonstop8h 15mAir Transat
Deal found 22/12C$ 1,272
Fri 26/127:10 p.m.YYZ - OPO
Nonstop6h 55mAir Transat
Thu 1/18:50 a.m.OPO - YYZ
Nonstop8h 15mAir Transat
Deal found 21/12C$ 1,280
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 23 December 2025.
Mon 9/27:45 p.m.YYZ - OPO
1 stop12h 05mMultiple Airlines
Fri 13/26:00 a.m.OPO - YYZ
1 stop15h 15mMultiple Airlines
Deal found 22/12C$ 691
Fri 23/17:10 p.m.YYZ - OPO
Nonstop6h 55mAir Transat
Sat 31/18:50 a.m.OPO - YYZ
Nonstop8h 15mAir Transat
Deal found 20/12C$ 693
Wed 4/27:45 p.m.YYZ - OPO
1 stop12h 30mLufthansa
Wed 11/26:00 a.m.OPO - YYZ
1 stop15h 15mLufthansa
Deal found 22/12C$ 710
Tue 31/311:30 p.m.YYZ - OPO
1 stop10h 55mKLM
Wed 8/44:20 p.m.OPO - YYZ
1 stop26h 00mKLM
Deal found 22/12C$ 712
Wed 21/111:00 p.m.YYZ - OPO
1 stop30h 25mDelta
Thu 29/15:00 a.m.OPO - YYZ
1 stop19h 15mDelta
Deal found 20/12C$ 715
Mon 4/511:55 p.m.YYZ - OPO
Nonstop6h 50mAir Transat
Sun 10/58:25 a.m.OPO - YYZ
1 stop13h 13mAir Transat
Deal found 21/12C$ 694
Wed 14/111:00 p.m.YYZ - OPO
1 stop30h 25mDelta
Tue 20/15:00 a.m.OPO - YYZ
1 stop15h 40mDelta
Deal found 22/12C$ 715
Fri 27/211:15 p.m.YYZ - OPO
1 stop30h 15mKLM
Sat 7/34:10 p.m.OPO - YYZ
1 stop28h 30mKLM
Deal found 21/12C$ 719
Sun 3/511:55 p.m.YYZ - OPO
Nonstop6h 50mAir Transat
Wed 13/58:25 a.m.OPO - YYZ
1 stop13h 13mAir Transat
Deal found 21/12C$ 694
Fri 1/58:10 p.m.YYZ - OPO
Nonstop6h 55mAir Transat
Thu 7/51:30 p.m.OPO - YYZ
Nonstop7h 55mAir Transat
Deal found 21/12C$ 704
Fri 1/58:10 p.m.YYZ - OPO
Nonstop6h 55mAir Transat
Fri 8/58:25 a.m.OPO - YYZ
1 stop13h 13mAir Transat
Deal found 21/12C$ 709
Fri 1/58:10 p.m.YYZ - OPO
Nonstop6h 55mAir Transat
Sun 10/58:25 a.m.OPO - YYZ
1 stop13h 13mAir Transat
Deal found 21/12C$ 709
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 23 December 2025.
Fri 27/38:10 p.m.YYZ - OPO
Nonstop6h 55mAir Transat
Sat 11/49:50 a.m.OPO - YYZ
Nonstop8h 15mAir Transat
Deal found 22/12C$ 684
Fri 23/17:10 p.m.YYZ - OPO
Nonstop6h 55mAir Transat
Sat 31/18:50 a.m.OPO - YYZ
Nonstop8h 15mAir Transat
Deal found 22/12C$ 687
Fri 17/48:10 p.m.YYZ - OPO
Nonstop6h 55mAir Transat
Sat 23/51:30 p.m.OPO - YYZ
Nonstop7h 55mAir Transat
Deal found 22/12C$ 688
Sun 3/511:55 p.m.YYZ - OPO
Nonstop6h 50mAir Transat
Sat 9/51:30 p.m.OPO - YYZ
Nonstop7h 55mAir Transat
Deal found 21/12C$ 690
Mon 1/611:55 p.m.YYZ - OPO
Nonstop6h 50mAir Transat
Thu 18/61:30 p.m.OPO - YYZ
Nonstop7h 55mAir Transat
Deal found 22/12C$ 691
Fri 20/27:10 p.m.YYZ - OPO
Nonstop6h 55mAir Transat
Sat 28/28:50 a.m.OPO - YYZ
Nonstop8h 15mAir Transat
Deal found 22/12C$ 694
Fri 6/37:10 p.m.YYZ - OPO
Nonstop6h 55mAir Transat
Sat 14/38:50 a.m.OPO - YYZ
Nonstop8h 15mAir Transat
Deal found 22/12C$ 699
Fri 1/58:10 p.m.YYZ - OPO
Nonstop6h 55mAir Transat
Sat 9/51:30 p.m.OPO - YYZ
Nonstop7h 55mAir Transat
Deal found 21/12C$ 704
Fri 1/58:10 p.m.YYZ - OPO
Nonstop6h 55mAir Transat
Sat 16/51:30 p.m.OPO - YYZ
Nonstop7h 55mAir Transat
Deal found 22/12C$ 706
Fri 27/27:10 p.m.YYZ - OPO
Nonstop6h 55mAir Transat
Sat 7/38:50 a.m.OPO - YYZ
Nonstop8h 15mAir Transat
Deal found 21/12C$ 713
Fri 23/17:10 p.m.YYZ - OPO
Nonstop6h 55mPorter Airlines
Sat 31/18:50 a.m.OPO - YYZ
Nonstop8h 15mPorter Airlines
Deal found 21/12C$ 825
Last-minute flights from Niagara Falls to Porto
Discover last-minute flight deals from Niagara Falls to Porto. Data last updated 23 December 2025 and is based on user searches.
Mon 29/127:10 p.m.YYZ - OPO
2 stops31h 30mAmerican Airlines
Mon 12/14:40 p.m.OPO - YYZ
2 stops28h 39mAmerican Airlines
Deal found 22/12C$ 859
Mon 29/127:10 p.m.YYZ - OPO
2 stops31h 30mAmerican Airlines
Tue 13/112:25 p.m.OPO - YYZ
2 stops56h 05mAmerican Airlines
Deal found 22/12C$ 873
Mon 29/1210:45 p.m.YYZ - OPO
1 stop11h 15mTAP AIR PORTUGAL
Tue 13/18:00 p.m.OPO - YYZ
1 stop30h 15mTAP AIR PORTUGAL
Deal found 22/12C$ 1,190
Mon 29/1210:55 p.m.YYZ - OPO
1 stop30h 35mMultiple Airlines
Mon 12/14:10 p.m.OPO - YYZ
1 stop28h 30mMultiple Airlines
Deal found 22/12C$ 1,232
Mon 29/1210:55 p.m.YYZ - OPO
1 stop30h 35mKLM
Mon 12/14:10 p.m.OPO - YYZ
1 stop28h 30mKLM
Deal found 22/12C$ 1,234
Mon 29/1210:00 a.m.YYZ - OPO
2 stops26h 00mMultiple Airlines
Tue 13/112:40 p.m.OPO - YYZ
1 stop12h 10mMultiple Airlines
Deal found 22/12C$ 1,254
Mon 29/129:20 p.m.YYZ - OPO
1 stop10h 45mAir Canada
Wed 14/18:55 a.m.OPO - YYZ
1 stop10h 30mAir Canada
Deal found 22/12C$ 1,307
Mon 29/127:40 p.m.YYZ - OPO
2 stops35h 00mUnited Airlines
Mon 12/112:30 p.m.OPO - YYZ
2 stops37h 54mUnited Airlines
Deal found 22/12C$ 1,351
Tue 30/125:35 p.m.YYZ - OPO
1 stop11h 35mTAP AIR PORTUGAL
Tue 10/39:00 a.m.OPO - YYZ
1 stop11h 20mTAP AIR PORTUGAL
Deal found 21/12C$ 1,329
Wed 31/127:10 p.m.YYZ - OPO
Nonstop6h 55mAir Transat
Sat 3/18:50 a.m.OPO - YYZ
Nonstop8h 15mAir Transat
Deal found 22/12C$ 1,272
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 23 December 2025.
Wed 15/48:45 p.m.YYZ - OPO
1 stop9h 55mAzores Airlines
Deal found 22/12C$ 390
Tue 28/48:45 p.m.YYZ - OPO
1 stop9h 55mAzores Airlines
Deal found 21/12C$ 410
Sun 12/48:45 p.m.YYZ - OPO
1 stop13h 15mAzores Airlines
Deal found 22/12C$ 412
Tue 3/39:05 p.m.YYZ - OPO
1 stop19h 10mAzores Airlines
Deal found 21/12C$ 420
Mon 27/48:45 p.m.YYZ - OPO
1 stop9h 55mAzores Airlines
Deal found 21/12C$ 421
Sun 26/49:30 p.m.YYZ - OPO
1 stop19h 30mMultiple Airlines
Deal found 21/12C$ 445
Fri 2/17:10 p.m.YYZ - OPO
Nonstop6h 55mAir Transat
Deal found 21/12C$ 447
Wed 1/48:10 p.m.YYZ - OPO
Nonstop6h 55mAir Transat
Deal found 22/12C$ 449
Wed 15/48:10 p.m.YYZ - OPO
Nonstop6h 55mPorter Airlines
Deal found 22/12C$ 463
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 23 December 2025.
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 23 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
Mon 9/2
7:45 p.m.-12:50 p.m.
1 stop12h 05m
Porto
Fri 13/2
6:00 a.m.-4:15 p.m.
1 stop15h 15m
C$ 691
TorontoPorto
YYZ - OPO
YYZOPO
Toronto Pearson Intl
Fri 23/1
7:10 p.m.-7:05 a.m.
Nonstop6h 55m
Porto
Sat 31/1
8:50 a.m.-12:05 p.m.
Nonstop8h 15m
C$ 693
TorontoPorto
YYZ - OPO
YYZOPO
Toronto Pearson Intl
Mon 4/5
11:55 p.m.-11:45 a.m.
Nonstop6h 50m
Porto
Sun 10/5
8:25 a.m.-4:38 p.m.
1 stop13h 13m
C$ 694
TorontoPorto
YYZ - OPO
YYZOPO
Toronto Pearson Intl
Sun 3/5
11:55 p.m.-11:45 a.m.
Nonstop6h 50m
Porto
Wed 13/5
8:25 a.m.-4:38 p.m.
1 stop13h 13m
C$ 694
TorontoPorto
YYZ - OPO
YYZOPO
Toronto Pearson Intl
Fri 1/5
8:10 p.m.-8:05 a.m.
Nonstop6h 55m
Porto
Thu 7/5
1:30 p.m.-4:25 p.m.
Nonstop7h 55m
C$ 704
TorontoPorto
YYZ - OPO
YYZOPO
Toronto Pearson Intl
Fri 1/5
8:10 p.m.-8:05 a.m.
Nonstop6h 55m
Porto
Fri 8/5
8:25 a.m.-4:38 p.m.
1 stop13h 13m
C$ 709
TorontoPorto
YYZ - OPO
YYZOPO
Toronto Pearson Intl
Fri 1/5
8:10 p.m.-8:05 a.m.
Nonstop6h 55m
Porto
Sun 10/5
8:25 a.m.-4:38 p.m.
1 stop13h 13m
C$ 709
TorontoPorto
YYZ - OPO
YYZOPO
Toronto Pearson Intl
Wed 4/2
7:45 p.m.-1:15 p.m.
1 stop12h 30m
Porto
Wed 11/2
6:00 a.m.-4:15 p.m.
1 stop15h 15m
C$ 710
TorontoPorto
YYZ - OPO
YYZOPO
Toronto Pearson Intl
Tue 31/3
11:30 p.m.-3:25 p.m.
1 stop10h 55m
Porto
Wed 8/4
4:20 p.m.-1:20 p.m.
1 stop26h 00m
C$ 712
TorontoPorto
YYZ - OPO
YYZOPO
Toronto Pearson Intl
Wed 21/1
11:00 p.m.-10:25 a.m.
1 stop30h 25m
Porto
Thu 29/1
5:00 a.m.-7:15 p.m.
1 stop19h 15m
C$ 715
Flights are sorted by cheapest round-trip flights first.
Deals found on 20/12
Showing 1-10 of 21 results
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.
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 19 December 2025.
To ensure you get the cheapest price possible for a flight from Niagara Falls to Porto, you should look to book at least 69 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$ 456). Flying from Niagara Falls to Porto in July is currently the most expensive (average of C$ 871). 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 23 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.
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 23 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 55m. The distance between Niagara Falls and Porto is about 5638 km. All flights are typically direct.
What are the cheapest airlines to fly from Niagara Falls to Porto one-way?
C$ 327 is the cheapest one-way deal found within the past few days, from Azores Airlines. You may also be able to find cheap deals on Air Transat and Porter Airlines, with prices starting from C$ 348 and C$ 372, 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$ 700, our data indicates the cheapest price to be C$ 420. The most popular route (Toronto Pearson Intl - Porto), is priced around C$ 684.
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$ 456). Flying from Niagara Falls to Porto in July is currently the most expensive (average of C$ 871). 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 23 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 23 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.
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
We value your privacy
Cheapflights and its partners wish to use cookies or similar technologies to store and/or access information on and about your device and process personal data such as your IP address, device identifiers etc., in order to improve your experience on the site, to analyze navigation, to offer and measure personalized advertising, and to facilitate sharing on social networks. We also allow the use of third-party cookies (including those from our advertising partners) on our sites.
By clicking 'Accept', you consent to your data being processed by 0 vendors on this web site for the purposes described in this notice. You can review the vendors and their individual processing purposes on the .
To review individual processing purposes and cookie categories, please click ’Select individual purposes’. You can review and update your choices anytime by clicking the ’Privacy Preferences’ link in the page side navigation.