Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from Niagara Falls to Porto from C$ 396

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 21/9. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — OPO
11 Oct — 18 Oct1
1 adult
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 11 September 2025.

Round-trip from

C$ 802

One-way from

C$ 396

Popular in

December

Cheapest in

January

Average price

C$ 919
Air Canada
  • Air Canada
  • 14/2-16/3
  • 3 total stops
  • 37h 25m total
  • Niagara Falls to Porto
Search Deals
21/9
  • 21/9
  • 2 total stops
  • 40h 10m total
  • Niagara Falls to Porto
Search Deals
High demand for flights, 2% potential price rise
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 30 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find flight deals from Niagara Falls to Porto

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 11 September 2025.

Fri 31/1010:05 p.m.YYZ - OPO
1 stop19h 10mMultiple Airlines
Sun 16/118:20 a.m.OPO - YYZ
2 stops18h 38mMultiple Airlines
Deal found 11/9C$ 806
Sun 2/119:05 p.m.YYZ - OPO
1 stop19h 00mMultiple Airlines
Wed 19/118:20 a.m.OPO - YYZ
2 stops18h 38mMultiple Airlines
Deal found 10/9C$ 808
Mon 29/911:30 p.m.YYZ - OPO
1 stop11h 00mDelta
Tue 21/104:20 p.m.OPO - YYZ
1 stop33h 35mDelta
Deal found 11/9C$ 809
Mon 29/911:30 p.m.YYZ - OPO
1 stop11h 00mDelta
Mon 10/1111:25 a.m.OPO - YYZ
1 stop34h 00mDelta
Deal found 10/9C$ 811
Wed 1/1011:55 p.m.YYZ - OPO
Nonstop7h 00mAir Transat
Thu 13/118:50 a.m.OPO - YYZ
Nonstop8h 15mAir Transat
Deal found 10/9C$ 812
Fri 14/1110:45 p.m.YYZ - OPO
1 stop30h 45mDelta
Tue 18/1111:10 a.m.OPO - YYZ
1 stop34h 15mDelta
Deal found 10/9C$ 813
Sat 1/119:10 p.m.YYZ - OPO
1 stop32h 20mAir Canada
Sat 8/116:00 a.m.OPO - YYZ
1 stop15h 15mAir Canada
Deal found 11/9C$ 816
Sun 28/911:20 p.m.YYZ - OPO
1 stop29h 15mMultiple Airlines
Mon 13/108:05 p.m.OPO - YYZ
2 stops25h 20mMultiple Airlines
Deal found 11/9C$ 818
Sun 14/911:55 p.m.YYZ - OPO
Nonstop6h 50mAir Transat
Sun 28/98:25 a.m.OPO - YYZ
1 stop18h 16mAir Transat
Deal found 10/9C$ 820
Sun 14/911:30 p.m.YYZ - OPO
1 stop11h 00mDelta
Tue 23/911:35 a.m.OPO - YYZ
2 stops26h 54mDelta
Deal found 11/9C$ 822
Mon 15/98:45 p.m.YYZ - OPO
1 stop9h 55mMultiple Airlines
Tue 23/96:05 p.m.OPO - YYZ
3 stops27h 45mMultiple Airlines
Deal found 11/9C$ 825

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 11 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

Mon 29/9

11:30 p.m.-3:30 p.m.

1 stop11h 00m

Porto

Tue 21/10

4:20 p.m.-8:55 p.m.

1 stop33h 35m

C$ 809

TorontoPorto

YYZ - OPO

YYZOPO

Toronto Pearson Intl

Wed 1/10

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

Nonstop7h 00m

Porto

Thu 13/11

8:50 a.m.-12:05 p.m.

Nonstop8h 15m

C$ 812

TorontoPorto

YYZ - OPO

YYZOPO

Toronto Pearson Intl

Mon 16/2

8:25 p.m.-6:35 p.m.

1 stop17h 10m

Porto

Tue 17/3

12:55 p.m.-4:40 p.m.

2 stops31h 45m

C$ 815

TorontoPorto

YYZ - OPO

YYZOPO

Toronto Pearson Intl

Wed 18/2

12:10 p.m.-10:30 a.m.

2 stops17h 20m

Porto

Sat 14/3

6:00 a.m.-8:15 p.m.

1 stop18h 15m

C$ 822

TorontoPorto

YYZ - OPO

YYZOPO

Toronto Pearson Intl

Thu 20/11

5:35 p.m.-3:00 p.m.

1 stop16h 25m

Porto

Tue 12/5

9:15 p.m.-1:55 p.m.

1 stop21h 40m

C$ 823

TorontoPorto

YYZ - OPO

YYZOPO

Toronto Pearson Intl

Thu 2/10

6:03 a.m.-8:25 a.m.

2 stops21h 22m

Porto

Fri 7/11

6:30 a.m.-3:40 p.m.

1 stop14h 10m

C$ 823

TorontoPorto

YYZ - OPO

YYZOPO

Toronto Pearson Intl

Mon 29/9

11:30 p.m.-3:30 p.m.

1 stop11h 00m

Porto

Tue 11/11

6:05 a.m.-10:50 p.m.

2 stops21h 45m

C$ 823

TorontoPorto

YYZ - OPO

YYZOPO

Toronto Pearson Intl

Mon 29/9

11:30 p.m.-3:30 p.m.

1 stop11h 00m

Porto

Fri 7/11

6:30 a.m.-8:55 a.m.

2 stops31h 25m

C$ 823

TorontoPorto

YYZ - OPO

YYZOPO

Toronto Pearson Intl

Fri 24/10

8:05 p.m.-10:30 a.m.

2 stops33h 25m

Porto

Wed 5/11

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

1 stop13h 49m

C$ 826

TorontoPorto

YYZ - OPO

YYZOPO

Toronto Pearson Intl

Tue 4/11

11:00 a.m.-9:30 a.m.

2 stops17h 30m

Porto

Tue 18/11

12:30 p.m.-9:24 p.m.

2 stops37h 54m

C$ 827

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/9

Showing 1-10 of 20 results
1
2

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 29 August 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$ 792). 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 11 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.

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 11 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.
Porter Airlines
7.9
Good
363 reviews
Check prices

Overall

7.9

Comfort

7.9

Boarding

8.1

Crew

8.6

Food

7.6

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

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.
Porter Airlines
7.9
Good
363 reviews
Porter Airlines
7.9
Good
363 reviews
Check prices

Overall

7.9

Comfort

7.9

Boarding

8.1

Crew

8.6

Food

7.6

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

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.
Air Transat
7.7
Good
438 reviews
Porter Airlines
7.9
Good
363 reviews
Check prices

Overall

7.9

Comfort

7.9

Boarding

8.1

Crew

8.6

Food

7.6

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

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.
Azores Airlines
7.5
Good
73 reviews
Porter Airlines
7.9
Good
363 reviews
Check prices

Overall

7.9

Comfort

7.9

Boarding

8.1

Crew

8.6

Food

7.6

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

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.
Air Canada
7.1
Good
10,000 reviews
Porter Airlines
7.9
Good
363 reviews
Check prices

Overall

7.9

Comfort

7.9

Boarding

8.1

Crew

8.6

Food

7.6

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

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.
TAP AIR PORTUGAL
7.1
Good
1,977 reviews
Porter Airlines
7.9
Good
363 reviews
Check prices

Overall

7.9

Comfort

7.9

Boarding

8.1

Crew

8.6

Food

7.6

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

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 7h. 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$ 809, our data indicates the cheapest price to be C$ 372. The most popular route (Toronto Pearson Intl - Porto), is priced around C$ 506.

  • 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, 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$ 792). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Niagara Falls to Porto

See prices for flight routes from nearby airports that may be better suited for you.
Pearson Intl to Lisbon flights
Pierre Elliott Trudeau Intl to Lisbon flights
Toronto Island to Lisbon flights
Pearson Intl to Porto flights
Pierre Elliott Trudeau Intl to Funchal flights
Pierre Elliott Trudeau Intl to Ponta Delgada flights
Pearson Intl to Ponta Delgada flights
Pearson Intl to Faro flights
Pearson Intl to Funchal flights
Pierre Elliott Trudeau Intl to Porto flights
Ottawa to Lisbon flights
Pierre Elliott Trudeau Intl to Faro flights
Toronto Island to Porto flights
Pearson Intl to Lajes flights
Ottawa to Faro flights
Ottawa to Porto flights
Pierre Elliott Trudeau Intl to Lajes flights
Ottawa to Ponta Delgada flights
Pearson Intl to Porto Santo flights
Pierre Elliott Trudeau Intl to Porto Santo flights
Pearson Intl to Pico Island flights
Pierre Elliott Trudeau Intl to Horta flights
Pearson Intl to Horta flights
Hamilton to Lisbon flights
Pearson Intl to Vila do Porto flights
Pearson Intl to Velas flights
London to Porto flights
Thunder Bay to Faro flights
Thunder Bay to Lisbon flights
London to Lisbon flights
Hamilton to Porto flights
London to Faro flights
Ottawa to Lajes flights
Pearson Intl to Santa Cruz das Flores flights
Windsor to Lisbon flights
Pearson Intl to Santa Cruz da Graciosa flights
Hamilton to Ponta Delgada flights
Pierre Elliott Trudeau Intl to Santa Cruz das Flores flights

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 11 September 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapestC$ 458AverageC$ 459FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
IberiaCheapestC$ 483AverageC$ 662FlexibilityNo cancel feeOn-time77%
Search Iberia flights
TAP AIR PORTUGALCheapestC$ 582AverageC$ 819FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
Air CanadaCheapestC$ 585AverageC$ 1,098FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
LufthansaCheapestC$ 604AverageC$ 887FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Porter AirlinesCheapestC$ 626AverageC$ 900FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air TransatCheapestC$ 684AverageC$ 1,007FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Azores AirlinesCheapestC$ 715AverageC$ 937FlexibilityNo cancel feeOn-time74%
Search Azores Airlines flights
KLMCheapestC$ 800AverageC$ 967FlexibilityNo cancel feeOn-time75%
Search KLM 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.

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.