How long is the flight from Niagara Falls to Porto?

Departing from Niagara Falls to Porto will take you 11h 30m. The distance between Niagara Falls and Porto is about 5638 km. This flight may include one or multiple stops.

What is the cheapest day to fly from Niagara Falls to Porto?

Travelers seeking maximum savings on their Niagara Falls to Porto flight should consider departing on Friday mornings when fares are most often at their lowest. Friday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in Porto ranges from 18.0 - 195.0 mm per month. December is typically the wettest month, when rainfall can reach 195.0 mm. July is typically the driest time to visit Porto when rainfall is around 18.0 mm.

If weather is an important factor for your trip to Porto, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 20.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 9.0 C).

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$ 914, our data indicates the cheapest price to be C$ 432. The most popular route (Toronto Pearson Intl - Porto), is priced around C$ 448.

What are the most popular airlines that fly from Niagara Falls to Porto?

American Airlines, Air Canada and Iberia are the most popular airlines when flying from Niagara Falls to Porto.

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.

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.

C$ 385+ Cheap Flights from Niagara Falls to Porto

Q: How much does it cost to fly round-trip from Niagara Falls to Porto?

Airfare is below average for this route at the moment. Niagara Falls to Porto flights typically cost between C$ 841 and C$ 1,014 in November. The cheapest round-trip price found within the last 3 days was C$ 767 on Air Canada (10 Nov-22 Nov).

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

Round-trip from	C$ 767
One-way from	C$ 385
Popular in	December
Cheapest in	January
Average price	C$ 913

Air Canada
10/11-22/11
3 total stops
29h 30m total
Niagara Falls to Porto

Search Deals

6/10
3 total stops
22h 30m total
Niagara Falls to Porto

Search Deals

High demand for flights, 1% potential price rise

Search Deals

Cheapest flight prices on average. 2% potential price decrease (C$ 34 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 16 September 2025.

Mon 10/112:15 p.m.YYZ - OPO

2 stops14h 15mAir Canada

Sat 22/116:00 a.m.OPO - YYZ

1 stop15h 15mAir Canada

Deal found 16/9C$ 767

Fri 7/117:10 p.m.YYZ - OPO

Nonstop6h 55mMultiple Airlines

Sat 15/118:20 a.m.OPO - YYZ

2 stops18h 09mMultiple Airlines

Deal found 16/9C$ 772

Mon 17/117:45 p.m.YYZ - OPO

1 stop12h 05mAir Canada

Sun 23/1112:35 p.m.OPO - YYZ

2 stops22h 56mAir Canada

Deal found 15/9C$ 774

Sun 9/117:45 p.m.YYZ - OPO

1 stop12h 05mAir Canada

Thu 20/1112:35 p.m.OPO - YYZ

2 stops22h 56mAir Canada

Deal found 16/9C$ 775

Thu 30/102:15 p.m.YYZ - OPO

2 stops15h 15mUnited Airlines

Wed 12/1112:35 p.m.OPO - YYZ

1 stop13h 49mUnited Airlines

Deal found 15/9C$ 776

Fri 7/1110:45 p.m.YYZ - OPO

1 stop20h 45mTAP AIR PORTUGAL

Sat 15/116:00 p.m.OPO - YYZ

1 stop25h 25mTAP AIR PORTUGAL

Deal found 15/9C$ 781

Sun 14/126:00 p.m.YYZ - OPO

2 stops11h 00mMultiple Airlines

Sun 21/125:00 a.m.OPO - YYZ

1 stop12h 10mMultiple Airlines

Deal found 16/9C$ 782

Wed 15/105:40 p.m.YYZ - OPO

1 stop10h 20mTAP AIR PORTUGAL

Wed 22/1010:25 p.m.OPO - YYZ

1 stop20h 30mTAP AIR PORTUGAL

Deal found 15/9C$ 785

Thu 13/117:45 p.m.YYZ - OPO

1 stop12h 05mLufthansa

Fri 21/116:15 a.m.OPO - YYZ

2 stops15h 00mLufthansa

Deal found 15/9C$ 787

Sun 19/104:35 p.m.YYZ - OPO

1 stop20h 40mSWISS

Wed 22/108:40 a.m.OPO - YYZ

1 stop33h 10mSWISS

Deal found 15/9C$ 789

Sun 26/1010:15 p.m.YYZ - OPO

1 stop13h 10mDelta

Thu 6/1111:15 a.m.OPO - YYZ

1 stop13h 00mDelta

Deal found 15/9C$ 790

Tue 28/106:35 p.m.YYZ - OPO

1 stop12h 25mTAP AIR PORTUGAL

Sun 9/116:55 a.m.OPO - YYZ

1 stop12h 30mTAP AIR PORTUGAL

Deal found 15/9C$ 792

Best flights from Niagara Falls to Porto
Discover carefully curated flight deals from Niagara Falls to Porto that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 16 September 2025.

Sat 25/106:00 p.m.YYZ - OPO

1 stop11h 30mUnited Airlines

Wed 12/1112:35 p.m.OPO - YYZ

1 stop13h 49mUnited Airlines

Deal found 15/9C$ 776

Mon 9/210:45 p.m.YYZ - OPO

1 stop30h 45mDelta

Fri 13/211:15 a.m.OPO - YYZ

1 stop33h 25mDelta

Deal found 15/9C$ 783

Sun 19/104:35 p.m.YYZ - OPO

1 stop20h 40mSWISS

Wed 22/108:40 a.m.OPO - YYZ

1 stop33h 10mSWISS

Deal found 15/9C$ 789

Thu 5/29:15 p.m.YYZ - OPO

1 stop20h 10mDelta

Mon 16/211:15 a.m.OPO - YYZ

1 stop33h 25mDelta

Deal found 15/9C$ 789

Sat 25/108:15 a.m.YYZ - OPO

2 stops21h 15mUnited Airlines

Thu 30/1012:35 p.m.OPO - YYZ

1 stop12h 49mUnited Airlines

Deal found 14/9C$ 825

Sun 26/1010:15 p.m.YYZ - OPO

1 stop13h 10mDelta

Tue 11/1111:15 a.m.OPO - YYZ

1 stop13h 00mDelta

Deal found 15/9C$ 790

Fri 24/108:05 p.m.YYZ - OPO

2 stops33h 25mUnited Airlines

Wed 5/1112:35 p.m.OPO - YYZ

2 stops26h 54mUnited Airlines

Deal found 15/9C$ 825

Fri 20/26:45 p.m.YYZ - OPO

1 stop10h 45mDelta

Sat 28/26:00 a.m.OPO - YYZ

2 stops22h 02mDelta

Deal found 15/9C$ 819

Tue 11/116:45 p.m.YYZ - OPO

1 stop10h 45mDelta

Fri 28/116:30 a.m.OPO - YYZ

2 stops21h 20mDelta

Deal found 14/9C$ 821

Mon 9/26:00 a.m.YYZ - OPO

2 stops23h 15mDelta

Thu 12/211:15 a.m.OPO - YYZ

1 stop33h 25mDelta

Deal found 15/9C$ 821

Wed 12/1110:45 p.m.YYZ - OPO

1 stop30h 40mDelta

Wed 19/116:00 a.m.OPO - YYZ

2 stops32h 29mDelta

Deal found 15/9C$ 822

Direct flights from Niagara Falls to Porto
Explore direct flight options from Niagara Falls to Porto based on user searches, and compare prices and availability for your desired travel dates. Data last updated 16 September 2025.

Fri 7/117:10 p.m.YYZ - OPO

Nonstop6h 55mAir Transat

Sat 15/118:50 a.m.OPO - YYZ

Nonstop8h 15mAir Transat

Deal found 15/9C$ 808

Fri 10/1011:55 p.m.YYZ - OPO

Nonstop6h 50mPorter Airlines

Sat 1/118:50 a.m.OPO - YYZ

Nonstop8h 15mPorter Airlines

Deal found 14/9C$ 854

Sat 25/108:10 p.m.YYZ - OPO

Nonstop6h 55mAir Transat

Sat 1/118:50 a.m.OPO - YYZ

Nonstop8h 15mAir Transat

Deal found 14/9C$ 872

Fri 7/117:10 p.m.YYZ - OPO

Nonstop6h 55mPorter Airlines

Sat 15/118:50 a.m.OPO - YYZ

Nonstop8h 15mPorter Airlines

Deal found 15/9C$ 901

Fri 24/1011:55 p.m.YYZ - OPO

Nonstop6h 50mAir Transat

Sat 8/118:50 a.m.OPO - YYZ

Nonstop8h 15mAir Transat

Deal found 15/9C$ 937

Fri 17/1011:55 p.m.YYZ - OPO

Nonstop6h 50mAir Transat

Sat 25/101:30 p.m.OPO - YYZ

Nonstop7h 55mAir Transat

Deal found 14/9C$ 1,042

Fri 26/127:10 p.m.YYZ - OPO

Nonstop6h 55mAir Transat

Thu 1/18:50 a.m.OPO - YYZ

Nonstop8h 15mAir Transat

Deal found 16/9C$ 1,054

Last-minute flights from Niagara Falls to Porto
Discover last-minute flight deals from Niagara Falls to Porto. Data last updated 16 September 2025 and is based on user searches.

Sat 11/1010:10 p.m.YYZ - OPO

1 stop13h 40mMultiple Airlines

Mon 3/118:20 a.m.OPO - YYZ

2 stops18h 09mMultiple Airlines

Deal found 14/9C$ 800

Tue 14/108:20 p.m.YYZ - OPO

1 stop22h 00mLufthansa

Tue 21/106:00 a.m.OPO - YYZ

1 stop15h 20mLufthansa

Deal found 14/9C$ 804

Wed 15/105:40 p.m.YYZ - OPO

1 stop10h 20mTAP AIR PORTUGAL

Wed 22/1010:25 p.m.OPO - YYZ

1 stop20h 30mTAP AIR PORTUGAL

Deal found 15/9C$ 785

Sun 19/104:35 p.m.YYZ - OPO

1 stop20h 40mSWISS

Wed 22/108:40 a.m.OPO - YYZ

1 stop33h 10mSWISS

Deal found 15/9C$ 789

Sun 26/1010:15 p.m.YYZ - OPO

1 stop13h 10mDelta

Thu 6/1111:15 a.m.OPO - YYZ

1 stop13h 00mDelta

Deal found 15/9C$ 790

Sun 26/1010:15 p.m.YYZ - OPO

1 stop32h 15mKLM

Mon 10/114:10 p.m.OPO - YYZ

1 stop32h 05mKLM

Deal found 15/9C$ 796

Mon 27/107:45 p.m.YYZ - OPO

1 stop10h 45mMultiple Airlines

Mon 10/114:10 p.m.OPO - YYZ

1 stop32h 05mMultiple Airlines

Deal found 15/9C$ 797

Tue 28/108:45 p.m.YYZ - OPO

1 stop12h 05mAir Canada

Wed 12/1112:35 p.m.OPO - YYZ

1 stop11h 42mAir Canada

Deal found 15/9C$ 775

Tue 28/106:35 p.m.YYZ - OPO

1 stop12h 25mTAP AIR PORTUGAL

Sun 9/116:55 a.m.OPO - YYZ

1 stop12h 30mTAP AIR PORTUGAL

Deal found 15/9C$ 792

Tue 28/106:50 p.m.YYZ - OPO

1 stop11h 40mKLM

Mon 10/114:10 p.m.OPO - YYZ

1 stop32h 05mKLM

Deal found 15/9C$ 805

Tue 28/108:45 p.m.YYZ - OPO

1 stop12h 05mAir Canada

Thu 6/116:00 a.m.OPO - YYZ

1 stop15h 15mAir Canada

Deal found 15/9C$ 808

Thu 30/102:15 p.m.YYZ - OPO

2 stops15h 15mUnited Airlines

Wed 12/1112:35 p.m.OPO - YYZ

1 stop13h 49mUnited Airlines

Deal found 15/9C$ 776

One-way flights from Niagara Falls to Porto
Search for one-way flight options from Niagara Falls to Porto. Find affordable one-way fares based on user searches. Data last updated 16 September 2025.

Mon 6/106:20 p.m.YYZ - OPO

3 stops22h 30mMultiple Airlines

Deal found 16/9C$ 385

Sun 19/1011:55 p.m.YYZ - OPO

3 stops17h 00mMultiple Airlines

Deal found 14/9C$ 398

Fri 14/119:05 p.m.YYZ - OPO

1 stop9h 45mAzores Airlines

Deal found 14/9C$ 401

Fri 17/1010:10 p.m.YYZ - OPO

3 stops18h 15mMultiple Airlines

Deal found 15/9C$ 405

Sun 16/119:05 p.m.YYZ - OPO

1 stop9h 45mAzores Airlines

Deal found 15/9C$ 409

Fri 5/129:05 p.m.YYZ - OPO

2 stops15h 25mMultiple Airlines

Deal found 15/9C$ 412

Sun 19/1011:55 p.m.YYZ - OPO

Nonstop6h 50mAir Transat

Deal found 14/9C$ 414

Tue 7/107:30 p.m.YYZ - OPO

3 stops14h 50mMultiple Airlines

Deal found 16/9C$ 416

Sun 5/1011:00 p.m.YYZ - OPO

1 stop15h 00mTAP AIR PORTUGAL

Deal found 14/9C$ 421

Cheapflights Fare Finder

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 25/10

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

1 stop11h 30m

Porto

Wed 12/11

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

1 stop13h 49m

C$ 776

TorontoPorto

YYZ - OPO

YYZOPO

Toronto Pearson Intl

Mon 9/2

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

1 stop30h 45m

Porto

Fri 13/2

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

1 stop33h 25m

C$ 783

TorontoPorto

YYZ - OPO

YYZOPO

Toronto Pearson Intl

Sun 19/10

4:35 p.m.-6:15 p.m.

1 stop20h 40m

Porto

Wed 22/10

8:40 a.m.-12:50 p.m.

1 stop33h 10m

C$ 789

TorontoPorto

YYZ - OPO

YYZOPO

Toronto Pearson Intl

Thu 5/2

9:15 p.m.-10:25 p.m.

1 stop20h 10m

Porto

Mon 16/2

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

1 stop33h 25m

C$ 789

TorontoPorto

YYZ - OPO

YYZOPO

Toronto Pearson Intl

Sun 26/10

10:15 p.m.-3:25 p.m.

1 stop13h 10m

Porto

Tue 11/11

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

1 stop13h 00m

C$ 790

TorontoPorto

YYZ - OPO

YYZOPO

Toronto Pearson Intl

Fri 20/2

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

1 stop10h 45m

Porto

Sat 28/2

6:00 a.m.-11:02 p.m.

2 stops22h 02m

C$ 819

TorontoPorto

YYZ - OPO

YYZOPO

Toronto Pearson Intl

Tue 11/11

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

1 stop10h 45m

Porto

Fri 28/11

6:30 a.m.-10:50 p.m.

2 stops21h 20m

C$ 821

TorontoPorto

YYZ - OPO

YYZOPO

Toronto Pearson Intl

Mon 9/2

6:00 a.m.-10:15 a.m.

2 stops23h 15m

Porto

Thu 12/2

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

1 stop33h 25m

C$ 821

TorontoPorto

YYZ - OPO

YYZOPO

Toronto Pearson Intl

Wed 12/11

10:45 p.m.-10:25 a.m.

1 stop30h 40m

Porto

Wed 19/11

6:00 a.m.-9:29 a.m.

2 stops32h 29m

C$ 822

TorontoPorto

YYZ - OPO

YYZOPO

Toronto Pearson Intl

Sat 25/10

8:15 a.m.-10:30 a.m.

2 stops21h 15m

Porto

Thu 30/10

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

1 stop12h 49m

C$ 825

Flights are sorted by cheapest round-trip flights first.

Deals found on 16/9

Showing 1-10 of 21 results

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?

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$ 791). 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?

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 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

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

Reviews

1 / 20

2.0

Mediocre

Anonymous,Sep 2025

YYZ - OPO

Air Transat

7.7

Good

438 reviews

Porter Airlines

7.9

Good

363 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Anonymous,Sep 2025

YYZ - OPO

Azores Airlines

7.5

Good

73 reviews

Porter Airlines

7.9

Good

363 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Anonymous,Sep 2025

YYZ - OPO

Air Canada

7.1

Good

10,000 reviews

Porter Airlines

7.9

Good

363 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Anonymous,Sep 2025

YYZ - OPO

TAP AIR PORTUGAL

7.1

Good

1,975 reviews

Porter Airlines

7.9

Good

363 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Anonymous,Sep 2025

YYZ - OPO

Related info for your journey

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 11h 30m. 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$ 914, our data indicates the cheapest price to be C$ 432. The most popular route (Toronto Pearson Intl - Porto), is priced around C$ 448.
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$ 791). 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

Aveiro

Esposende

Browse thousands of different options on Cheapflights for your next trip

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Top 9 airlines flying from Niagara Falls to Porto

Airline	Cheapest	Average	Flexibility	On-time
Iberia	CheapestC$ 416	AverageC$ 559	FlexibilityNo cancel fee	On-time77%	Search Iberia flights
American Airlines	CheapestC$ 457	AverageC$ 458	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights
TAP AIR PORTUGAL	CheapestC$ 581	AverageC$ 814	FlexibilityNo cancel fee	On-timeN/A	Search TAP AIR PORTUGAL flights
Porter Airlines	CheapestC$ 624	AverageC$ 898	FlexibilityNo cancel fee	On-time52%	Search Porter Airlines flights
Lufthansa	CheapestC$ 644	AverageC$ 1,064	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
Air Transat	CheapestC$ 683	AverageC$ 1,000	FlexibilityNo cancel fee	On-time50%	Search Air Transat flights
Azores Airlines	CheapestC$ 715	AverageC$ 939	FlexibilityNo cancel fee	On-time74%	Search Azores Airlines flights
KLM	CheapestC$ 797	AverageC$ 960	FlexibilityNo cancel fee	On-time75%	Search KLM flights
Air Canada	CheapestC$ 842	AverageC$ 1,145	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights

Fly with Cheapflights

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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Cheap flights from Niagara Falls to Porto from C$ 385

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 6/10. Fares are subject to change and may not be available on all flights or dates of travel.

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 16 September 2025.

Round-trip from

One-way from

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Find flight deals from Niagara Falls to Porto

Cheapest flights from Niagara Falls to PortoExplore 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 16 September 2025.

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 16 September 2025.

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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.

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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 12 September 2025.

What is the cheapest month to book a 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 16 September 2025.

How much does it cost to fly round-trip from Niagara Falls to Porto?

Reviews of airlines servicing Porto

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.

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?

How long is the flight from Niagara Falls to Porto?

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What is the cheapest month to book a flight from Niagara Falls to Porto?

Travelling to a place near Porto?

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Alternative routes for Niagara Falls to Porto

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Top 9 airlines flying from Niagara Falls to Porto

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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 16 September 2025.