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Cheap flights from Niagara Falls, ON to Porto from C$ 374

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 3/2. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — OPO
29 Dec — 5 Jan1
1 adult
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 29 November 2025.

Round-trip from

C$ 629

One-way from

C$ 374

Popular in

December

Cheapest in

January

Average price

C$ 807
Air Transat
  • Air Transat
  • 27/3-9/4
  • Nonstop
  • 15h 10m total
  • Niagara Falls to Porto
Search Deals
Azores Airlines
  • Azores Airlines
  • 3/2
  • 1 total stop
  • 9h 45m total
  • Niagara Falls to Porto
Search Deals
High demand for flights, 1% potential price rise
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 37 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Find 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 29 November 2025.

Fri 5/127:10 p.m.YYZ - OPO
Nonstop6h 55mAir Transat
Sat 13/128:50 a.m.OPO - YYZ
Nonstop8h 15mAir Transat
Deal found 28/11C$ 629
Fri 5/127:10 p.m.YYZ - OPO
Nonstop6h 55mAir Transat
Sat 28/28:50 a.m.OPO - YYZ
Nonstop8h 15mAir Transat
Deal found 27/11C$ 730
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$ 770
Fri 26/127:10 p.m.YYZ - OPO
Nonstop6h 55mAir Transat
Sat 7/28:50 a.m.OPO - YYZ
Nonstop8h 15mAir Transat
Deal found 27/11C$ 779
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$ 811
Sat 29/1112:30 a.m.YYZ - OPO
2 stops28h 00mAir Canada
Sun 7/126:00 a.m.OPO - YYZ
2 stops41h 50mAir Canada
Deal found 27/11C$ 840
Fri 5/1211:00 p.m.YYZ - OPO
2 stops18h 25mMultiple Airlines
Sat 28/212:35 p.m.OPO - YYZ
1 stop13h 07mMultiple Airlines
Deal found 28/11C$ 845
Fri 5/126:00 p.m.YYZ - OPO
2 stops35h 30mDelta
Sat 13/126:00 a.m.OPO - YYZ
2 stops34h 23mDelta
Deal found 28/11C$ 854
Tue 9/1212:13 p.m.YYZ - OPO
2 stops17h 17mDelta
Sun 14/125:00 a.m.OPO - YYZ
1 stop15h 40mDelta
Deal found 28/11C$ 882
Tue 9/129:05 p.m.YYZ - OPO
1 stop9h 45mMultiple Airlines
Fri 12/123:20 p.m.OPO - YYZ
1 stop26h 10mMultiple Airlines
Deal found 28/11C$ 892

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 29 November 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

Mon 18/5

1:30 p.m.-4:25 p.m.

Nonstop7h 55m

C$ 696

TorontoPorto

YYZ - OPO

YYZOPO

Toronto Pearson Intl

Mon 11/5

11:55 p.m.-11:45 a.m.

Nonstop6h 50m

Porto

Thu 21/5

1:30 p.m.-4:25 p.m.

Nonstop7h 55m

C$ 696

TorontoPorto

YYZ - OPO

YYZOPO

Toronto Pearson Intl

Mon 18/5

11:55 p.m.-11:45 a.m.

Nonstop6h 50m

Porto

Sat 13/6

1:30 p.m.-4:25 p.m.

Nonstop7h 55m

C$ 696

TorontoPorto

YYZ - OPO

YYZOPO

Toronto Pearson Intl

Fri 8/5

11:55 p.m.-11:45 a.m.

Nonstop6h 50m

Porto

Sat 16/5

1:30 p.m.-4:25 p.m.

Nonstop7h 55m

C$ 696

TorontoPorto

YYZ - OPO

YYZOPO

Toronto Pearson Intl

Mon 11/5

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$ 696

TorontoPorto

YYZ - OPO

YYZOPO

Toronto Pearson Intl

Sun 17/5

11:55 p.m.-11:45 a.m.

Nonstop6h 50m

Porto

Sat 23/5

1:30 p.m.-4:25 p.m.

Nonstop7h 55m

C$ 698

TorontoPorto

YYZ - OPO

YYZOPO

Toronto Pearson Intl

Mon 18/5

11:55 p.m.-11:45 a.m.

Nonstop6h 50m

Porto

Thu 28/5

1:30 p.m.-4:25 p.m.

Nonstop7h 55m

C$ 698

TorontoPorto

YYZ - OPO

YYZOPO

Toronto Pearson Intl

Sat 9/5

4:25 p.m.-6:45 a.m.

1 stop9h 20m

Porto

Fri 15/5

8:25 a.m.-4:38 p.m.

1 stop13h 13m

C$ 710

TorontoPorto

YYZ - OPO

YYZOPO

Toronto Pearson Intl

Sat 9/5

7:40 a.m.-6:45 a.m.

1 stop18h 05m

Porto

Thu 21/5

1:30 p.m.-4:25 p.m.

Nonstop7h 55m

C$ 710

TorontoPorto

YYZ - OPO

YYZOPO

Toronto Pearson Intl

Sat 9/5

4:25 p.m.-6:45 a.m.

1 stop9h 20m

Porto

Wed 20/5

8:25 a.m.-4:38 p.m.

1 stop13h 13m

C$ 710

Flights are sorted by cheapest round-trip flights first.

Deals found on 25/11

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 21 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$ 464). Flying from Niagara Falls to Porto in July is currently the most expensive (average of C$ 889). 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 29 November 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 29 November 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.
Porter Airlines
8.0
Very good
394 reviews
Check prices

Comfort

8.0

Boarding

8.2

Overall

8.0

Entertainment

7.0

Food

7.6

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
Porter Airlines
8.0
Very good
394 reviews
Porter Airlines
8.0
Very good
394 reviews
Check prices

Comfort

8.0

Boarding

8.2

Overall

8.0

Entertainment

7.0

Food

7.6

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
Air Transat
7.8
Good
479 reviews
Porter Airlines
8.0
Very good
394 reviews
Check prices

Comfort

8.0

Boarding

8.2

Overall

8.0

Entertainment

7.0

Food

7.6

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
Azores Airlines
7.5
Good
86 reviews
Porter Airlines
8.0
Very good
394 reviews
Check prices

Comfort

8.0

Boarding

8.2

Overall

8.0

Entertainment

7.0

Food

7.6

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
Air Canada
7.1
Good
10,484 reviews
Porter Airlines
8.0
Very good
394 reviews
Check prices

Comfort

8.0

Boarding

8.2

Overall

8.0

Entertainment

7.0

Food

7.6

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
TAP AIR PORTUGAL
7.1
Good
2,075 reviews
Porter Airlines
8.0
Very good
394 reviews
Check prices

Comfort

8.0

Boarding

8.2

Overall

8.0

Entertainment

7.0

Food

7.6

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

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. All flights are typically direct.

  • 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$ 767, our data indicates the cheapest price to be C$ 176. The most popular route (Toronto Pearson Intl - Porto), is priced around C$ 549.

  • Can I find deals for flights from Niagara Falls to Porto that include hotel bookings?

    Yes. In addition to deals on Niagara Falls to Porto flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Niagara Falls to Porto?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Niagara Falls to Porto.

  • 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$ 464). Flying from Niagara Falls to Porto in July is currently the most expensive (average of C$ 889). 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.

See more FAQs

Travelling to a place near Porto?

Book flights to Porto if you plan to visit one of these locations
Aveiro
Esposende

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Top 9 airlines flying from Niagara Falls to Porto

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 29 November 2025.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapestC$ 421AverageC$ 556FlexibilityNo cancel feeOn-time77%
Search Iberia flights
American AirlinesCheapestC$ 463AverageC$ 464FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
TAP AIR PORTUGALCheapestC$ 585AverageC$ 821FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
Porter AirlinesCheapestC$ 632AverageC$ 923FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
LufthansaCheapestC$ 652AverageC$ 1,079FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Air TransatCheapestC$ 687AverageC$ 1,012FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Azores AirlinesCheapestC$ 713AverageC$ 948FlexibilityNo cancel feeOn-time74%
Search Azores Airlines flights
KLMCheapestC$ 806AverageC$ 921FlexibilityNo cancel feeOn-time75%
Search KLM flights
Air CanadaCheapestC$ 827AverageC$ 1,092FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

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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