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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 5/12. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — OPO
20 Dec — 27 Dec1
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 Wednesday

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 20 November 2025.

Round-trip from

C$ 629

One-way from

C$ 374

Popular in

December

Cheapest in

January

Average price

C$ 808
TAP AIR PORTUGAL
  • TAP AIR PORTUGAL
  • 12/3-20/3
  • 2 total stops
  • 26h 35m total
  • Niagara Falls to Porto
Search Deals
Azores Airlines
  • Azores Airlines
  • 5/12
  • 1 total stop
  • 19h 10m total
  • Niagara Falls to Porto
Search Deals
Highest demand for flights based on searches. 0% potential increase in price (C$ 0 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 43 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 20 November 2025.

Sat 22/115:30 p.m.YYZ - OPO
1 stop11h 20mTAP AIR PORTUGAL
Mon 1/1210:10 a.m.OPO - YYZ
1 stop16h 05mTAP AIR PORTUGAL
Deal found 19/11C$ 623
Fri 21/1110:45 p.m.YYZ - OPO
1 stop12h 10mTAP AIR PORTUGAL
Sat 6/124:55 p.m.OPO - YYZ
1 stop26h 30mTAP AIR PORTUGAL
Deal found 19/11C$ 629
Fri 21/1110:45 p.m.YYZ - OPO
1 stop18h 15mTAP AIR PORTUGAL
Mon 1/128:30 a.m.OPO - YYZ
1 stop17h 45mTAP AIR PORTUGAL
Deal found 19/11C$ 634
Fri 5/1210:45 p.m.YYZ - OPO
1 stop28h 15mTAP AIR PORTUGAL
Sat 28/26:00 p.m.OPO - YYZ
1 stop32h 15mTAP AIR PORTUGAL
Deal found 19/11C$ 639
Fri 5/127:10 p.m.YYZ - OPO
Nonstop6h 55mAir Transat
Sat 28/28:50 a.m.OPO - YYZ
Nonstop8h 15mAir Transat
Deal found 18/11C$ 702
Fri 5/127:10 p.m.YYZ - OPO
Nonstop6h 55mAir Transat
Sat 13/128:50 a.m.OPO - YYZ
Nonstop8h 15mAir Transat
Deal found 18/11C$ 723
Tue 2/126:45 p.m.YYZ - OPO
1 stop10h 45mDelta
Thu 11/1211:15 a.m.OPO - YYZ
1 stop13h 00mDelta
Deal found 18/11C$ 785
Tue 25/1112:30 a.m.YYZ - OPO
2 stops29h 45mMultiple Airlines
Wed 10/126:00 a.m.OPO - YYZ
1 stop15h 15mMultiple Airlines
Deal found 19/11C$ 788
Thu 4/126:20 a.m.YYZ - OPO
2 stops31h 10mMultiple Airlines
Thu 11/126:00 a.m.OPO - YYZ
1 stop15h 15mMultiple Airlines
Deal found 18/11C$ 792
Sat 22/119:15 p.m.YYZ - OPO
1 stop32h 15mKLM
Mon 1/124:10 p.m.OPO - YYZ
1 stop32h 05mKLM
Deal found 19/11C$ 793

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 20 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

Wed 11/3

8:10 p.m.-7:05 a.m.

Nonstop6h 55m

Porto

Thu 26/3

8:50 a.m.-1:05 p.m.

Nonstop8h 15m

C$ 718

TorontoPorto

YYZ - OPO

YYZOPO

Toronto Pearson Intl

Sat 11/4

5:35 p.m.-8:10 a.m.

1 stop9h 35m

Porto

Mon 27/4

9:00 a.m.-3:15 p.m.

1 stop11h 15m

C$ 782

TorontoPorto

YYZ - OPO

YYZOPO

Toronto Pearson Intl

Tue 10/2

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

1 stop10h 45m

Porto

Sat 7/3

11:15 a.m.-3:40 p.m.

1 stop33h 25m

C$ 782

TorontoPorto

YYZ - OPO

YYZOPO

Toronto Pearson Intl

Sat 21/2

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

1 stop10h 45m

Porto

Sun 1/3

5:00 a.m.-3:40 p.m.

1 stop15h 40m

C$ 786

TorontoPorto

YYZ - OPO

YYZOPO

Toronto Pearson Intl

Wed 1/4

4:45 p.m.-10:55 a.m.

1 stop13h 10m

Porto

Sun 12/4

6:55 p.m.-1:20 p.m.

1 stop23h 25m

C$ 792

TorontoPorto

YYZ - OPO

YYZOPO

Toronto Pearson Intl

Mon 23/2

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

1 stop10h 45m

Porto

Thu 26/2

11:20 a.m.-4:25 p.m.

1 stop34h 05m

C$ 813

TorontoPorto

YYZ - OPO

YYZOPO

Toronto Pearson Intl

Wed 11/2

6:00 a.m.-10:30 a.m.

2 stops23h 30m

Porto

Sun 8/3

5:00 a.m.-3:40 p.m.

1 stop15h 40m

C$ 834

TorontoPorto

YYZ - OPO

YYZOPO

Toronto Pearson Intl

Wed 11/2

6:00 a.m.-10:30 a.m.

2 stops23h 30m

Porto

Sat 7/3

11:15 a.m.-7:15 p.m.

1 stop13h 00m

C$ 834

TorontoPorto

YYZ - OPO

YYZOPO

Toronto Pearson Intl

Mon 16/3

10:55 p.m.-10:30 a.m.

1 stop31h 35m

Porto

Tue 24/3

11:25 a.m.-3:20 p.m.

2 stops31h 55m

C$ 837

TorontoPorto

YYZ - OPO

YYZOPO

Toronto Pearson Intl

Sat 21/2

8:10 p.m.-9:30 a.m.

2 stops32h 20m

Porto

Sun 1/3

12:35 p.m.-11:46 p.m.

2 stops16h 11m

C$ 843

Flights are sorted by cheapest round-trip flights first.

Deals found on 18/11

Showing 1-10 of 19 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 14 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$ 466). Flying from Niagara Falls to Porto in July is currently the most expensive (average of C$ 893). 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 20 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.

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 20 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
393 reviews
Check prices

Crew

8.6

Comfort

8.0

Food

7.6

Overall

8.0

Entertainment

7.0

Boarding

8.2

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
393 reviews
Porter Airlines
8.0
Very good
393 reviews
Check prices

Crew

8.6

Comfort

8.0

Food

7.6

Overall

8.0

Entertainment

7.0

Boarding

8.2

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
475 reviews
Porter Airlines
8.0
Very good
393 reviews
Check prices

Crew

8.6

Comfort

8.0

Food

7.6

Overall

8.0

Entertainment

7.0

Boarding

8.2

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
84 reviews
Porter Airlines
8.0
Very good
393 reviews
Check prices

Crew

8.6

Comfort

8.0

Food

7.6

Overall

8.0

Entertainment

7.0

Boarding

8.2

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
10,463 reviews
Porter Airlines
8.0
Very good
393 reviews
Check prices

Crew

8.6

Comfort

8.0

Food

7.6

Overall

8.0

Entertainment

7.0

Boarding

8.2

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
2,070 reviews
Porter Airlines
8.0
Very good
393 reviews
Check prices

Crew

8.6

Comfort

8.0

Food

7.6

Overall

8.0

Entertainment

7.0

Boarding

8.2

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 55m. 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$ 641, our data indicates the cheapest price to be C$ 317. 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$ 466). Flying from Niagara Falls to Porto in July is currently the most expensive (average of C$ 893). 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 20 November 2025.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapestC$ 423AverageC$ 558FlexibilityNo cancel feeOn-time77%
Search Iberia flights
American AirlinesCheapestC$ 465AverageC$ 466FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
TAP AIR PORTUGALCheapestC$ 589AverageC$ 831FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
Porter AirlinesCheapestC$ 635AverageC$ 920FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
LufthansaCheapestC$ 655AverageC$ 1,084FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Air TransatCheapestC$ 693AverageC$ 1,016FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Azores AirlinesCheapestC$ 732AverageC$ 1,052FlexibilityNo cancel feeOn-time74%
Search Azores Airlines flights
KLMCheapestC$ 810AverageC$ 925FlexibilityNo cancel feeOn-time75%
Search KLM flights
Air CanadaCheapestC$ 845AverageC$ 1,143FlexibilityNo 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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