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Cheap flights from Niagara Falls, ON to Porto from C$ 328

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 5/10. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — OPO
19 Aug — 26 Aug1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Niagara Falls to Porto are usually found in February or November, booked 69 days in advance, depart on a Tuesday or Saturday and return on a Tuesday

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 20 July 2026.

Sun 9/87:10 p.m.
YYZ
-
OPO
1 stop30h 35m
Multiple Airlines
Thu 10/910:00 p.m.
OPO
-
YYZ
2 stops25h 08m
Multiple Airlines
Deal found 14/7C$ 864
Tue 8/93:40 p.m.
YYZ
-
OPO
1 stop10h 05m
Air Transat
Sun 11/108:25 a.m.
OPO
-
YYZ
1 stop18h 35m
Air Transat
Deal found 15/7C$ 865
Mon 31/810:55 p.m.
YYZ
-
OPO
2 stops18h 15m
Multiple Airlines
Thu 10/97:00 a.m.
OPO
-
YYZ
1 stop12h 00m
Multiple Airlines
Deal found 15/7C$ 866
Mon 28/911:55 p.m.
YYZ
-
OPO
Nonstop6h 50m
Air Transat
Thu 8/101:30 p.m.
OPO
-
YYZ
Nonstop7h 55m
Air Transat
Deal found 19/7C$ 869
Sat 5/911:05 p.m.
YYZ
-
OPO
1 stop17h 15m
Multiple Airlines
Tue 6/107:00 a.m.
OPO
-
YYZ
1 stop12h 00m
Multiple Airlines
Deal found 15/7C$ 871
Mon 7/910:55 p.m.
YYZ
-
OPO
1 stop16h 30m
TAP AIR PORTUGAL
Sun 13/99:15 p.m.
OPO
-
YYZ
1 stop23h 00m
TAP AIR PORTUGAL
Deal found 16/7C$ 872
Thu 10/910:00 p.m.
YYZ
-
OPO
1 stop17h 30m
British Airways
Thu 17/98:20 a.m.
OPO
-
YYZ
2 stops19h 40m
British Airways
Deal found 17/7C$ 875
Mon 14/93:40 p.m.
YYZ
-
OPO
1 stop10h 05m
Air Transat
Sun 27/98:25 a.m.
OPO
-
YYZ
1 stop28h 48m
Air Transat
Deal found 19/7C$ 876
Fri 11/911:55 p.m.
YYZ
-
OPO
1 stop15h 55m
Multiple Airlines
Fri 9/109:00 a.m.
OPO
-
YYZ
1 stop11h 00m
Multiple Airlines
Deal found 15/7C$ 878
Sun 30/811:55 p.m.
YYZ
-
OPO
Nonstop6h 50m
Air Transat
Thu 1/101:30 p.m.
OPO
-
YYZ
Nonstop7h 55m
Air Transat
Deal found 17/7C$ 879

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 20 July 2026.

Round-trip from

C$ 864

One-way from

C$ 328

Popular in

December

Cheapest in

February

Average price

C$ 1,159
9/8-10/9
  • 9/8-10/9
  • 3 total stops
  • 55h 43m total
  • Niagara Falls to Porto
Search Deals
5/10
  • 5/10
  • 3 total stops
  • 21h 20m total
  • Niagara Falls to Porto
Search Deals
Highest demand for flights based on searches. 1% potential increase in price (C$ 17 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 29 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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 20 July 2026.
Use the filters below to find and compare flights from Niagara Falls to Porto that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TorontoPorto

YYZ - OPO

YYZOPO

Toronto Pearson Intl

Tue 1/9

11:55 p.m.-8:35 p.m.

2 stops15h 40m

Porto

Wed 18/11

2:30 p.m.-9:15 p.m.

1 stop11h 45m

C$ 866

TorontoPorto

YYZ - OPO

YYZOPO

Toronto Pearson Intl

Thu 10/9

10:00 p.m.-8:30 p.m.

1 stop17h 30m

Porto

Thu 17/9

8:20 a.m.-11:00 p.m.

2 stops19h 40m

C$ 876
Quickest round-trip

TorontoPorto

YYZ - OPO

YYZOPO

Toronto Pearson Intl

Wed 16/9

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

Nonstop7h 00m

Porto

Tue 22/9

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

Nonstop7h 55m

C$ 879

TorontoPorto

YYZ - OPO

YYZOPO

Toronto Pearson Intl

Sat 26/9

3:40 p.m.-6:45 a.m.

1 stop10h 05m

Porto

Thu 1/10

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

Nonstop7h 55m

C$ 885

TorontoPorto

YYZ - OPO

YYZOPO

Toronto Pearson Intl

Wed 16/9

9:30 p.m.-7:00 p.m.

1 stop16h 30m

Porto

Sat 26/9

9:15 p.m.-5:40 p.m.

2 stops25h 25m

C$ 892

TorontoPorto

YYZ - OPO

YYZOPO

Toronto Pearson Intl

Wed 7/10

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

Nonstop7h 00m

Porto

Mon 19/10

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

Nonstop7h 55m

C$ 977

TorontoPorto

YYZ - OPO

YYZOPO

Toronto Pearson Intl

Wed 2/9

11:30 p.m.-3:25 p.m.

1 stop10h 55m

Porto

Wed 7/10

5:00 a.m.-1:20 p.m.

1 stop13h 20m

C$ 1,006

TorontoPorto

YYZ - OPO

YYZOPO

Toronto Pearson Intl

Wed 2/9

11:30 p.m.-3:25 p.m.

1 stop10h 55m

Porto

Wed 7/10

5:55 a.m.-3:50 p.m.

1 stop14h 55m

C$ 1,018

TorontoPorto

YYZ - OPO

YYZOPO

Toronto Pearson Intl

Fri 9/10

4:45 p.m.-3:30 p.m.

1 stop17h 45m

Porto

Wed 21/10

11:45 a.m.-11:29 p.m.

2 stops16h 44m

C$ 1,026

TorontoPorto

YYZ - OPO

YYZOPO

Toronto Pearson Intl

Mon 5/10

6:25 p.m.-3:25 p.m.

2 stops16h 00m

Porto

Mon 12/10

6:30 a.m.-3:50 p.m.

1 stop14h 20m

C$ 1,030

Flights are sorted by cheapest round-trip flights first.

Deals found on 14/7

Showing 1-10 of 21 resultsSorted by cheapest first
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

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 July 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.

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 July 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
8.0
Very good
447 reviews
Check prices

Boarding

8.2

Food

7.5

Comfort

8.0

Crew

8.6

Entertainment

6.9

Overall

8.0

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats
Porter Airlines
8.0
Very good
447 reviews
Porter Airlines
8.0
Very good
447 reviews
Check prices

Boarding

8.2

Food

7.5

Comfort

8.0

Crew

8.6

Entertainment

6.9

Overall

8.0

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats
Air Transat
7.8
Good
566 reviews
Porter Airlines
8.0
Very good
447 reviews
Check prices

Boarding

8.2

Food

7.5

Comfort

8.0

Crew

8.6

Entertainment

6.9

Overall

8.0

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats
Azores Airlines
7.2
Good
105 reviews
Porter Airlines
8.0
Very good
447 reviews
Check prices

Boarding

8.2

Food

7.5

Comfort

8.0

Crew

8.6

Entertainment

6.9

Overall

8.0

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats
TAP AIR PORTUGAL
7.2
Good
2,341 reviews
Porter Airlines
8.0
Very good
447 reviews
Check prices

Boarding

8.2

Food

7.5

Comfort

8.0

Crew

8.6

Entertainment

6.9

Overall

8.0

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats
Air Canada
7.1
Good
11,360 reviews
Porter Airlines
8.0
Very good
447 reviews
Check prices

Boarding

8.2

Food

7.5

Comfort

8.0

Crew

8.6

Entertainment

6.9

Overall

8.0

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats

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 1 inbound flight from Niagara Falls per day. You should also have plenty of airline options to choose from since 8 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 airlines to fly from Niagara Falls to Porto one-way?

    C$ 320 is the cheapest one-way deal found within the past few days, from Porter Airlines. You may also be able to find cheap deals on Air Transat and Azores Airlines, with prices starting from C$ 348 and C$ 369, 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$ 800, our data indicates the cheapest price to be C$ 459. The most popular route (Toronto Pearson Intl - Porto), is priced around C$ 604.

  • 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top 8 airlines flying from Niagara Falls to Porto

Discover the top 8 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 July 2026.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapestC$ 422AverageC$ 556FlexibilityNo cancel feeOn-time77%
Search Iberia flights
American AirlinesCheapestC$ 464AverageC$ 465FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
TAP AIR PORTUGALCheapestC$ 589AverageC$ 878FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
Air TransatCheapestC$ 706AverageC$ 1,044FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Air CanadaCheapestC$ 745AverageC$ 1,021FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
KLMCheapestC$ 753AverageC$ 866FlexibilityNo cancel feeOn-time75%
Search KLM flights
Azores AirlinesCheapestC$ 777AverageC$ 959FlexibilityNo cancel feeOn-time74%
Search Azores Airlines flights
Porter AirlinesCheapestC$ 795AverageC$ 1,010FlexibilityNo cancel feeOn-time52%
Search Porter Airlines 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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