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Cheap flights from Niagara Falls, ON to Porto from C$ 383

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 19/4. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — OPO
29 Mar — 5 Apr1
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 69 days in advance, depart on a Tuesday or Saturday 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 27 February 2026.

Thu 4/63:40 p.m.
YYZ
-
OPO
1 stop10h 05m
Air Transat
Sat 13/61:30 p.m.
OPO
-
YYZ
Nonstop7h 55m
Air Transat
Deal found 24/2C$ 684
Fri 6/37:10 p.m.
YYZ
-
OPO
Nonstop6h 55m
Air Transat
Thu 12/38:50 a.m.
OPO
-
YYZ
Nonstop8h 15m
Air Transat
Deal found 25/2C$ 685
Thu 28/53:40 p.m.
YYZ
-
OPO
1 stop10h 05m
Air Transat
Sun 7/68:25 a.m.
OPO
-
YYZ
1 stop13h 13m
Air Transat
Deal found 24/2C$ 688
Fri 24/411:10 p.m.
YYZ
-
OPO
1 stop26h 35m
Air Transat
Thu 7/51:30 p.m.
OPO
-
YYZ
Nonstop7h 55m
Air Transat
Deal found 25/2C$ 689
Mon 1/611:55 p.m.
YYZ
-
OPO
Nonstop6h 50m
Air Transat
Tue 9/61:30 p.m.
OPO
-
YYZ
Nonstop7h 55m
Air Transat
Deal found 24/2C$ 693
Mon 25/511:55 p.m.
YYZ
-
OPO
Nonstop6h 50m
Air Transat
Sat 6/61:30 p.m.
OPO
-
YYZ
Nonstop7h 55m
Air Transat
Deal found 24/2C$ 695
Sun 12/48:45 p.m.
YYZ
-
OPO
1 stop13h 15m
Multiple Airlines
Wed 22/45:55 p.m.
OPO
-
YYZ
1 stop25h 20m
Multiple Airlines
Deal found 25/2C$ 696
Mon 25/56:10 p.m.
YYZ
-
OPO
1 stop31h 35m
Air Transat
Mon 15/61:30 p.m.
OPO
-
YYZ
Nonstop7h 55m
Air Transat
Deal found 23/2C$ 698
Thu 28/53:40 p.m.
YYZ
-
OPO
1 stop10h 05m
Air Transat
Mon 1/61:30 p.m.
OPO
-
YYZ
Nonstop7h 55m
Air Transat
Deal found 24/2C$ 699
Wed 8/48:10 p.m.
YYZ
-
OPO
Nonstop6h 55m
Air Transat
Thu 16/49:50 a.m.
OPO
-
YYZ
Nonstop8h 15m
Air Transat
Deal found 23/2C$ 700

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 27 February 2026.

Round-trip from

C$ 684

One-way from

C$ 383

Popular in

December

Cheapest in

February

Average price

C$ 741
Air Transat
  • Air Transat
  • 4/6-13/6
  • 1 total stop
  • 18h 00m total
  • Niagara Falls to Porto
Search Deals
Azores Airlines
  • Azores Airlines
  • 19/4
  • 1 total stop
  • 13h 15m total
  • Niagara Falls to Porto
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (C$ 55 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 35 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 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 27 February 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

TorontoPorto

YYZ - OPO

YYZOPO

Toronto Pearson Intl

Sat 11/4

11:30 p.m.-10:00 p.m.

1 stop17h 30m

Porto

Wed 15/4

11:45 a.m.-1:20 p.m.

1 stop30h 35m

C$ 726

TorontoPorto

YYZ - OPO

YYZOPO

Toronto Pearson Intl

Sat 18/4

11:30 p.m.-10:00 p.m.

1 stop17h 30m

Porto

Mon 27/4

5:00 a.m.-10:56 p.m.

2 stops22h 56m

C$ 765

TorontoPorto

YYZ - OPO

YYZOPO

Toronto Pearson Intl

Wed 11/3

8:05 p.m.-3:25 p.m.

2 stops15h 20m

Porto

Thu 19/3

12:35 p.m.-6:31 a.m.

2 stops21h 56m

C$ 838

TorontoPorto

YYZ - OPO

YYZOPO

Toronto Pearson Intl

Tue 21/4

6:11 p.m.-3:25 p.m.

2 stops16h 14m

Porto

Mon 27/4

5:00 a.m.-10:56 p.m.

2 stops22h 56m

C$ 856

TorontoPorto

YYZ - OPO

YYZOPO

Toronto Pearson Intl

Sat 25/4

6:11 p.m.-6:10 p.m.

2 stops18h 59m

Porto

Fri 1/5

5:00 a.m.-3:20 p.m.

2 stops15h 20m

C$ 863

TorontoPorto

YYZ - OPO

YYZOPO

Toronto Pearson Intl

Sat 18/4

2:15 p.m.-3:30 p.m.

2 stops20h 15m

Porto

Fri 24/4

5:55 a.m.-10:56 p.m.

2 stops22h 01m

C$ 867

TorontoPorto

YYZ - OPO

YYZOPO

Toronto Pearson Intl

Tue 14/4

10:00 p.m.-9:05 a.m.

1 stop30h 05m

Porto

Mon 20/4

9:10 p.m.-4:05 p.m.

1 stop23h 55m

C$ 896

TorontoPorto

YYZ - OPO

YYZOPO

Toronto Pearson Intl

Sun 12/4

6:10 p.m.-8:20 p.m.

1 stop21h 10m

Porto

Sun 19/4

8:20 a.m.-11:29 p.m.

2 stops20h 09m

C$ 907

TorontoPorto

YYZ - OPO

YYZOPO

Toronto Pearson Intl

Thu 16/4

6:27 p.m.-8:20 p.m.

2 stops20h 53m

Porto

Sun 19/4

9:25 p.m.-8:10 p.m.

1 stop27h 45m

C$ 934

TorontoPorto

YYZ - OPO

YYZOPO

Toronto Pearson Intl

Thu 26/3

6:40 p.m.-5:15 p.m.

1 stop18h 35m

Porto

Thu 2/4

7:55 p.m.-4:05 p.m.

1 stop25h 10m

C$ 946

Flights are sorted by cheapest round-trip flights first.

Deals found on 23/2

Showing 1-10 of 22 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

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 20 February 2026.

To ensure you get the cheapest price possible for a flight from Niagara Falls to Porto, you should look to book at least 69 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$ 453). Flying from Niagara Falls to Porto in July is currently the most expensive (average of C$ 864). 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 27 February 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 27 February 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
419 reviews
Check prices

Crew

8.6

Boarding

8.2

Food

7.6

Comfort

8.0

Entertainment

6.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Feb 2026

YYJ - YYZ

Always great! The Flight Attendants are always polite and attentive! The Polite was great and reminded us all that it was Valentine's Day!
Porter Airlines
8.0
Very good
419 reviews
Porter Airlines
8.0
Very good
419 reviews
Check prices

Crew

8.6

Boarding

8.2

Food

7.6

Comfort

8.0

Entertainment

6.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Feb 2026

YYJ - YYZ

Always great! The Flight Attendants are always polite and attentive! The Polite was great and reminded us all that it was Valentine's Day!
Air Transat
7.7
Good
514 reviews
Porter Airlines
8.0
Very good
419 reviews
Check prices

Crew

8.6

Boarding

8.2

Food

7.6

Comfort

8.0

Entertainment

6.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Feb 2026

YYJ - YYZ

Always great! The Flight Attendants are always polite and attentive! The Polite was great and reminded us all that it was Valentine's Day!
Azores Airlines
7.4
Good
92 reviews
Porter Airlines
8.0
Very good
419 reviews
Check prices

Crew

8.6

Boarding

8.2

Food

7.6

Comfort

8.0

Entertainment

6.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Feb 2026

YYJ - YYZ

Always great! The Flight Attendants are always polite and attentive! The Polite was great and reminded us all that it was Valentine's Day!
Air Canada
7.1
Good
10,750 reviews
Porter Airlines
8.0
Very good
419 reviews
Check prices

Crew

8.6

Boarding

8.2

Food

7.6

Comfort

8.0

Entertainment

6.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Feb 2026

YYJ - YYZ

Always great! The Flight Attendants are always polite and attentive! The Polite was great and reminded us all that it was Valentine's Day!
TAP AIR PORTUGAL
7.1
Good
2,151 reviews
Porter Airlines
8.0
Very good
419 reviews
Check prices

Crew

8.6

Boarding

8.2

Food

7.6

Comfort

8.0

Entertainment

6.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Feb 2026

YYJ - YYZ

Always great! The Flight Attendants are always polite and attentive! The Polite was great and reminded us all that it was Valentine's Day!

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 15h 20m. 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$ 325 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$ 341 and C$ 370, 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$ 819, our data indicates the cheapest price to be C$ 479. The most popular route (Toronto Pearson Intl - Porto), is priced around C$ 663.

  • 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$ 453). Flying from Niagara Falls to Porto in July is currently the most expensive (average of C$ 864). 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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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 27 February 2026.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapestC$ 411AverageC$ 543FlexibilityNo cancel feeOn-time77%
Search Iberia flights
American AirlinesCheapestC$ 452AverageC$ 453FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
TAP AIR PORTUGALCheapestC$ 580AverageC$ 818FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
LufthansaCheapestC$ 637AverageC$ 990FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Porter AirlinesCheapestC$ 662AverageC$ 948FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air TransatCheapestC$ 682AverageC$ 988FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Air CanadaCheapestC$ 733AverageC$ 1,045FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
KLMCheapestC$ 747AverageC$ 873FlexibilityNo cancel feeOn-time75%
Search KLM flights
Azores AirlinesCheapestC$ 748AverageC$ 960FlexibilityNo cancel feeOn-time74%
Search Azores 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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