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Cheap flights from Niagara Falls, ON to Porto from C$ 398

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
21 Feb — 28 Feb1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Niagara Falls to Porto are usually found in February or May, booked 74 days in advance, depart on a Saturday or Tuesday and return on a Wednesday

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 22 January 2026.

Sun 17/55:30 p.m.
YYZ
-
OPO
1 stop10h 30m
TAP AIR PORTUGAL
Sun 31/511:55 a.m.
OPO
-
YYZ
1 stop14h 10m
TAP AIR PORTUGAL
Deal found 19/1C$ 651
Fri 23/17:10 p.m.
YYZ
-
OPO
Nonstop6h 55m
Air Transat
Sat 31/18:50 a.m.
OPO
-
YYZ
Nonstop8h 15m
Air Transat
Deal found 20/1C$ 672
Sun 29/310:15 p.m.
YYZ
-
OPO
2 stops28h 25m
American Airlines
Wed 8/48:20 a.m.
OPO
-
YYZ
2 stops37h 44m
American Airlines
Deal found 20/1C$ 673
Tue 3/31:10 p.m.
YYZ
-
OPO
2 stops17h 35m
American Airlines
Wed 11/38:20 a.m.
OPO
-
YYZ
2 stops17h 09m
American Airlines
Deal found 20/1C$ 680
Wed 18/210:44 a.m.
YYZ
-
OPO
2 stops15h 56m
American Airlines
Wed 11/38:20 a.m.
OPO
-
YYZ
2 stops17h 09m
American Airlines
Deal found 19/1C$ 684
Sun 1/26:00 a.m.
YYZ
-
OPO
2 stops20h 40m
American Airlines
Tue 10/28:20 a.m.
OPO
-
YYZ
2 stops18h 03m
American Airlines
Deal found 20/1C$ 686
Mon 2/310:44 a.m.
YYZ
-
OPO
2 stops15h 56m
American Airlines
Tue 10/38:20 a.m.
OPO
-
YYZ
2 stops17h 39m
American Airlines
Deal found 20/1C$ 689
Wed 18/27:45 p.m.
YYZ
-
OPO
1 stop12h 30m
Multiple Airlines
Wed 11/36:00 a.m.
OPO
-
YYZ
1 stop18h 50m
Multiple Airlines
Deal found 19/1C$ 693
Sat 7/36:17 p.m.
YYZ
-
OPO
2 stops36h 28m
American Airlines
Mon 16/34:40 p.m.
OPO
-
YYZ
2 stops32h 49m
American Airlines
Deal found 20/1C$ 694
Tue 27/17:30 a.m.
YYZ
-
OPO
2 stops22h 45m
Multiple Airlines
Mon 2/26:00 a.m.
OPO
-
YYZ
1 stop18h 45m
Multiple Airlines
Deal found 19/1C$ 695

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 22 January 2026.

Round-trip from

C$ 651

One-way from

C$ 398

Popular in

December

Cheapest in

February

Average price

C$ 807
TAP AIR PORTUGAL
  • TAP AIR PORTUGAL
  • 17/5-31/5
  • 2 total stops
  • 24h 40m total
  • Niagara Falls to Porto
Search Deals
Azores Airlines
  • Azores Airlines
  • 3/2
  • 1 total stop
  • 19h 10m total
  • Niagara Falls to Porto
Search Deals
Highest demand for flights based on searches. 1% potential increase in price (C$ 20 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 32 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 22 January 2026.
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 2/3

6:45 p.m.-10:30 a.m.

1 stop10h 45m

Porto

Mon 9/3

11:25 a.m.-8:40 p.m.

1 stop13h 15m

C$ 723

TorontoPorto

YYZ - OPO

YYZOPO

Toronto Pearson Intl

Sun 1/2

9:15 p.m.-3:25 p.m.

1 stop13h 10m

Porto

Sat 7/2

5:00 a.m.-7:15 p.m.

1 stop19h 15m

C$ 724

TorontoPorto

YYZ - OPO

YYZOPO

Toronto Pearson Intl

Mon 2/3

6:40 p.m.-9:30 a.m.

1 stop9h 50m

Porto

Thu 12/3

12:35 p.m.-9:24 p.m.

1 stop12h 49m

C$ 729

TorontoPorto

YYZ - OPO

YYZOPO

Toronto Pearson Intl

Sun 1/3

6:40 p.m.-9:30 a.m.

1 stop9h 50m

Porto

Tue 10/3

12:35 p.m.-9:24 p.m.

1 stop12h 49m

C$ 729

TorontoPorto

YYZ - OPO

YYZOPO

Toronto Pearson Intl

Sun 1/3

6:40 p.m.-9:30 a.m.

1 stop9h 50m

Porto

Fri 6/3

12:45 p.m.-9:24 p.m.

1 stop13h 39m

C$ 729

TorontoPorto

YYZ - OPO

YYZOPO

Toronto Pearson Intl

Mon 2/3

6:40 p.m.-9:30 a.m.

1 stop9h 50m

Porto

Tue 10/3

12:35 p.m.-9:24 p.m.

1 stop12h 49m

C$ 729

TorontoPorto

YYZ - OPO

YYZOPO

Toronto Pearson Intl

Mon 2/3

6:40 p.m.-9:30 a.m.

1 stop9h 50m

Porto

Mon 9/3

12:35 p.m.-9:24 p.m.

1 stop12h 49m

C$ 729

TorontoPorto

YYZ - OPO

YYZOPO

Toronto Pearson Intl

Sun 1/3

9:15 p.m.-10:30 a.m.

1 stop32h 15m

Porto

Mon 9/3

11:25 a.m.-8:40 p.m.

1 stop13h 15m

C$ 733

TorontoPorto

YYZ - OPO

YYZOPO

Toronto Pearson Intl

Sun 17/5

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

Nonstop6h 50m

Porto

Sat 30/5

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

Nonstop7h 55m

C$ 737

TorontoPorto

YYZ - OPO

YYZOPO

Toronto Pearson Intl

Mon 25/5

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

Nonstop6h 50m

Porto

Thu 4/6

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

Nonstop7h 55m

C$ 740

Flights are sorted by cheapest round-trip flights first.

Deals found on 21/1

Showing 1-10 of 23 results
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2
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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 16 January 2026.

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$ 458). Flying from Niagara Falls to Porto in July is currently the most expensive (average of C$ 875). 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 22 January 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.

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 22 January 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.
Porter Airlines
7.9
Good
412 reviews
Check prices

Food

7.5

Entertainment

6.9

Overall

7.9

Boarding

8.2

Comfort

7.9

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
7.9
Good
412 reviews
Porter Airlines
7.9
Good
412 reviews
Check prices

Food

7.5

Entertainment

6.9

Overall

7.9

Boarding

8.2

Comfort

7.9

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
7.7
Good
499 reviews
Porter Airlines
7.9
Good
412 reviews
Check prices

Food

7.5

Entertainment

6.9

Overall

7.9

Boarding

8.2

Comfort

7.9

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
7.4
Good
90 reviews
Porter Airlines
7.9
Good
412 reviews
Check prices

Food

7.5

Entertainment

6.9

Overall

7.9

Boarding

8.2

Comfort

7.9

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
10,646 reviews
Porter Airlines
7.9
Good
412 reviews
Check prices

Food

7.5

Entertainment

6.9

Overall

7.9

Boarding

8.2

Comfort

7.9

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
2,124 reviews
Porter Airlines
7.9
Good
412 reviews
Check prices

Food

7.5

Entertainment

6.9

Overall

7.9

Boarding

8.2

Comfort

7.9

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 9h 50m. 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$ 339 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$ 349 and C$ 374, 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$ 772, our data indicates the cheapest price to be C$ 464. The most popular route (Toronto Pearson Intl - Porto), is priced around C$ 687.

  • 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$ 458). Flying from Niagara Falls to Porto in July is currently the most expensive (average of C$ 875). 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

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See prices for flight routes from nearby airports that may be better suited for you.
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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 22 January 2026.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapestC$ 416AverageC$ 549FlexibilityNo cancel feeOn-time77%
Search Iberia flights
American AirlinesCheapestC$ 457AverageC$ 458FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
TAP AIR PORTUGALCheapestC$ 580AverageC$ 821FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
LufthansaCheapestC$ 644AverageC$ 1,065FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Porter AirlinesCheapestC$ 663AverageC$ 933FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air TransatCheapestC$ 686AverageC$ 991FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Azores AirlinesCheapestC$ 720AverageC$ 955FlexibilityNo cancel feeOn-time74%
Search Azores Airlines flights
KLMCheapestC$ 766AverageC$ 908FlexibilityNo cancel feeOn-time75%
Search KLM flights
Air CanadaCheapestC$ 805AverageC$ 1,060FlexibilityNo 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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