How long is the flight from Portsmouth to Niagara Falls?

Virgin Atlantic, Delta, and KLM can get you from Portsmouth to Niagara Falls in just under 12h. Your travel time can differ by up to 2h 50m. Portsmouth and Niagara Falls are separated by a distance of 3523 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

In terms of precipitation, rainfall in Niagara Falls ranges from 51.0 - 83.0 inches per month. June is typically the wettest month, when rainfall can reach 83.0 mm. February is typically the driest time to visit Niagara Falls when rainfall is around 51.0 mm.

If weather is an important factor for your trip to Niagara Falls, 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 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -6.0 C).

What are the cheapest flights from Portsmouth to Niagara Falls?

On average you can expect to pay £1,048 for a flight from Portsmouth to Niagara Falls. The cheapest flight overall is £279 while the most popular route, (Southampton Eastleigh - Toronto Pearson Intl) is currently priced at £590.

What are the most reliable airlines from Portsmouth to Niagara Falls?

No one likes to see their flight delayed. When booking a flight from Portsmouth to Niagara Falls consider choosing Ethiopian Air (81%), Thai Airways (80%) or KLM (80%) as they are the most reliable in getting you off to your destination on time.

Can I find deals for flights from Portsmouth to Niagara Falls that include hotel bookings?

Yes. In addition to deals on Portsmouth to Niagara Falls flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Portsmouth to Niagara Falls?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portsmouth to Niagara Falls.

Can I find deals for business class flights from Portsmouth to Niagara Falls?

Yes. Cheapflights offers flight deals from Portsmouth to Niagara Falls by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£407+ Cheap Flights from Portsmouth to Niagara Falls

Find flight deals from Portsmouth to Niagara Falls

Enter your travel dates to find the best prices.

Cheapest flights from Portsmouth to Niagara Falls
Explore the most affordable flight options available from Portsmouth to Niagara Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 October 2025.

Mon 24/1108:40SOU - YYZ

1 stop12h 00mVirgin Atlantic

Mon 1/1215:38YYZ - SOU

2 stops20h 22mVirgin Atlantic

Deal found 10/10£592

Mon 24/1108:40SOU - YYZ

1 stop12h 00mKLM

Mon 1/1217:50YYZ - SOU

1 stop9h 20mKLM

Deal found 10/10£611

Sat 1/1109:25SOU - YYZ

1 stop11h 15mKLM

Sat 15/1121:15YYZ - SOU

1 stop29h 55mKLM

Deal found 9/10£649

Sat 1/1109:25SOU - YYZ

2 stops17h 30mDelta

Sat 15/1112:15YYZ - SOU

2 stops15h 35mDelta

Deal found 9/10£678

Mon 24/1109:30SOU - YYZ

2 stops35h 20mMultiple Airlines

Mon 1/1216:40YYZ - SOU

3 stops34h 30mMultiple Airlines

Deal found 10/10£689

Thu 23/1017:35SOU - YYZ

1 stop31h 20mKLM

Thu 30/1022:15YYZ - SOU

1 stop30h 35mKLM

Deal found 9/10£788

Thu 23/1017:35SOU - YYZ

2 stops28h 44mMultiple Airlines

Thu 30/1006:00YYZ - SOU

2 stops22h 05mMultiple Airlines

Deal found 9/10£844

Wed 15/1009:20SOU - YYZ

1 stop15h 35mDelta

Wed 22/1016:35YYZ - SOU

1 stop11h 10mDelta

Deal found 9/10£854

Fri 17/1009:20SOU - YYZ

1 stop15h 35mKLM

Thu 6/1117:50YYZ - SOU

1 stop9h 15mKLM

Deal found 9/10£866

Best flights from Portsmouth to Niagara Falls
Discover carefully curated flight deals from Portsmouth to Niagara Falls that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 10 October 2025.

Wed 4/308:40SOU - YYZ

1 stop12h 00mVirgin Atlantic

Wed 11/312:10YYZ - SOU

2 stops16h 10mVirgin Atlantic

Deal found 10/10£598

Tue 17/209:25SOU - YYZ

1 stop14h 50mDelta

Tue 24/221:15YYZ - SOU

1 stop30h 05mDelta

Deal found 10/10£607

Mon 24/1108:40SOU - YYZ

1 stop12h 00mKLM

Mon 1/1217:50YYZ - SOU

1 stop9h 20mKLM

Deal found 10/10£611

Tue 17/209:25SOU - YYZ

1 stop14h 50mDelta

Thu 26/207:59YYZ - SOU

2 stops19h 06mDelta

Deal found 10/10£628

Wed 4/308:40SOU - YYZ

1 stop12h 00mDelta

Mon 9/314:10YYZ - SOU

2 stops22h 50mDelta

Deal found 10/10£628

Wed 4/308:40SOU - YYZ

1 stop12h 00mDelta

Wed 11/310:20YYZ - SOU

2 stops27h 05mDelta

Deal found 10/10£628

Wed 18/209:25SOU - YYZ

2 stops18h 58mDelta

Tue 24/221:15YYZ - SOU

1 stop30h 05mDelta

Deal found 10/10£628

Tue 3/308:40SOU - YYZ

1 stop15h 35mDelta

Tue 10/314:10YYZ - SOU

2 stops22h 50mDelta

Deal found 10/10£628

Tue 3/317:30SOU - YYZ

1 stop27h 10mDelta

Wed 11/306:15YYZ - SOU

2 stops22h 05mDelta

Deal found 10/10£628

Tue 3/308:40SOU - YYZ

1 stop12h 00mDelta

Sun 8/318:50YYZ - SOU

1 stop9h 30mDelta

Deal found 10/10£637

Mon 2/308:50SOU - YYZ

1 stop11h 50mDelta

Sun 8/318:50YYZ - SOU

1 stop9h 30mDelta

Deal found 10/10£637

Tue 17/209:25SOU - YYZ

1 stop14h 50mDelta

Sun 1/321:15YYZ - SOU

1 stop29h 55mDelta

Deal found 10/10£637

Last-minute flights from Portsmouth to Niagara Falls
Discover last-minute flight deals from Portsmouth to Niagara Falls. Data last updated 10 October 2025 and is based on user searches.

Wed 15/1009:20SOU - YYZ

1 stop15h 35mDelta

Wed 22/1016:35YYZ - SOU

1 stop11h 10mDelta

Deal found 9/10£854

Wed 15/1020:00SOU - YYZ

2 stops28h 45mMultiple Airlines

Wed 22/1018:20YYZ - SOU

3 stops32h 10mMultiple Airlines

Deal found 9/10£1,045

Wed 15/1008:30SOU - YYZ

2 stops16h 40mBritish Airways

Wed 29/1018:25YYZ - SOU

1 stop10h 20mBritish Airways

Deal found 10/10£1,325

Fri 17/1009:20SOU - YYZ

1 stop15h 35mKLM

Thu 6/1117:50YYZ - SOU

1 stop9h 15mKLM

Deal found 9/10£866

Fri 17/1009:40SOU - YYZ

1 stop11h 10mBritish Airways

Thu 6/1116:44YYZ - SOU

2 stops17h 51mBritish Airways

Deal found 9/10£983

Sat 18/1009:55SOU - YYZ

2 stops15h 15mBritish Airways

Sat 25/1018:20YYZ - SOU

1 stop10h 25mBritish Airways

Deal found 10/10£1,290

One-way flights from Portsmouth to Niagara Falls
Search for one-way flight options from Portsmouth to Niagara Falls. Find affordable one-way fares based on user searches. Data last updated 10 October 2025.

Sat 1/1118:55SOU - YYZ

3 stops51h 35mMultiple Airlines

Deal found 9/10£407

Tue 21/1012:25SOU - YYZ

3 stops46h 47mMultiple Airlines

Deal found 10/10£477

Wed 15/1009:00SOU - YYZ

3 stops37h 10mMultiple Airlines

Deal found 10/10£504

Wed 7/112:15SOU - YYZ

3 stops40h 56mMultiple Airlines

Deal found 9/10£517

Mon 20/1020:30SOU - YYZ

3 stops50h 05mMultiple Airlines

Deal found 9/10£535

Thu 8/117:55SOU - YYZ

3 stops43h 00mMultiple Airlines

Deal found 9/10£561

Fri 26/1209:30SOU - YYZ

2 stops31h 17mBritish Airways

Deal found 10/10£571

Cheap flight deals from Portsmouth to Niagara Falls

Round-trip from	£592
One-way from	£407
Popular in	December
Cheapest in	February
Average price	£411

Virgin Atlantic
24/11-1/12
3 total stops
32h 22m total
Portsmouth to Niagara Falls

Search Deals

1/11
3 total stops
51h 35m total
Portsmouth to Niagara Falls

Search Deals

Highest demand for flights based on searches. 4% potential increase in price (£16 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£10 potential savings vs. average return price).

Search Deals

Average for round-trip flights in October 2025

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Portsmouth to Niagara Falls that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SouthamptonToronto

SOU - YYZ

SOUYYZ

Southampton Eastleigh

Wed 4/3

08:40-15:40

1 stop12h 00m

Toronto Pearson Intl

Wed 11/3

12:10-08:20

2 stops16h 10m

£598

SouthamptonToronto

SOU - YYZ

SOUYYZ

Southampton Eastleigh

Tue 17/2

09:25-19:15

1 stop14h 50m

Toronto Pearson Intl

Tue 24/2

21:15-08:20

1 stop30h 05m

£607

SouthamptonToronto

SOU - YYZ

SOUYYZ

Southampton Eastleigh

Mon 24/11

08:40-15:40

1 stop12h 00m

Toronto Pearson Intl

Mon 1/12

17:50-08:10

1 stop9h 20m

£611

SouthamptonToronto

SOU - YYZ

SOUYYZ

Southampton Eastleigh

Tue 17/2

09:25-19:15

1 stop14h 50m

Toronto Pearson Intl

Thu 26/2

07:59-08:05

2 stops19h 06m

£628

SouthamptonToronto

SOU - YYZ

SOUYYZ

Southampton Eastleigh

Wed 4/3

08:40-15:40

1 stop12h 00m

Toronto Pearson Intl

Mon 9/3

14:10-17:00

2 stops22h 50m

£628

SouthamptonToronto

SOU - YYZ

SOUYYZ

Southampton Eastleigh

Wed 4/3

08:40-15:40

1 stop12h 00m

Toronto Pearson Intl

Wed 11/3

10:20-17:25

2 stops27h 05m

£628

SouthamptonToronto

SOU - YYZ

SOUYYZ

Southampton Eastleigh

Wed 18/2

09:25-23:23

2 stops18h 58m

Toronto Pearson Intl

Tue 24/2

21:15-08:20

1 stop30h 05m

£628

SouthamptonToronto

SOU - YYZ

SOUYYZ

Southampton Eastleigh

Tue 3/3

08:40-19:15

1 stop15h 35m

Toronto Pearson Intl

Tue 10/3

14:10-17:00

2 stops22h 50m

£628

SouthamptonToronto

SOU - YYZ

SOUYYZ

Southampton Eastleigh

Tue 3/3

17:30-15:40

1 stop27h 10m

Toronto Pearson Intl

Wed 11/3

06:15-08:20

2 stops22h 05m

£628

SouthamptonToronto

SOU - YYZ

SOUYYZ

Southampton Eastleigh

Tue 3/3

08:40-15:40

1 stop12h 00m

Toronto Pearson Intl

Sun 8/3

18:50-08:20

1 stop9h 30m

£637

Flights are sorted by cheapest return flights first.

Deals found on 9/10

Showing 1-10 of 20 results

Best time to book a flight from Portsmouth to Niagara Falls

Have a flexible travel schedule? Discover the best time to fly to Niagara Falls from Portsmouth with our price prediction graph.

Estimated return 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 Portsmouth to Niagara Falls

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

Currently, March is the cheapest month in which you can book a flight from Portsmouth to Niagara Falls (average of £261). Flying from Portsmouth to Niagara Falls in December is currently the most expensive (average of £354). 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 P0R to NI4?

It’s optimal to fly from Portsmouth to Niagara Falls in the evening. By choosing this option you can save up to 25% on the cost of your flight, compared to a flight in the afternoon.

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

Travellers seeking maximum savings on their Portsmouth to Niagara Falls flight should consider departing on Monday afternoons when fares are most often at their lowest. Thursday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Portsmouth to Niagara Falls

The most flights from P0R to NI4 are scheduled on a Tuesday (39 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (30 on average).

Related info for your journey

How long is the flight from Portsmouth to Niagara Falls?
Virgin Atlantic, Delta, and KLM can get you from Portsmouth to Niagara Falls in just under 12h. Your travel time can differ by up to 2h 50m. Portsmouth and Niagara Falls are separated by a distance of 3523 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.
What are the most reliable airlines from Portsmouth to Niagara Falls?
No one likes to see their flight delayed. When booking a flight from Portsmouth to Niagara Falls consider choosing Ethiopian Air (81%), Thai Airways (80%) or KLM (80%) as they are the most reliable in getting you off to your destination on time.
What are the cheapest flights from Portsmouth to Niagara Falls?
On average you can expect to pay £1,048 for a flight from Portsmouth to Niagara Falls. The cheapest flight overall is £279 while the most popular route, (Southampton Eastleigh - Toronto Pearson Intl) is currently priced at £590.
Can I find deals for flights from Portsmouth to Niagara Falls that include hotel bookings?
Yes. In addition to deals on Portsmouth to Niagara Falls flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Portsmouth to Niagara Falls?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portsmouth to Niagara Falls.
Can I find deals for business class flights from Portsmouth to Niagara Falls?
Yes. Cheapflights offers flight deals from Portsmouth to Niagara Falls 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 Portsmouth to Niagara Falls?
Currently, March is the cheapest month in which you can book a flight from Portsmouth to Niagara Falls (average of £261). Flying from Portsmouth to Niagara Falls in December is currently the most expensive (average of £354). 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

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Portsmouth to Niagara Falls

Heathrow to Pearson Intl flights

Gatwick to Pearson Intl flights

Heathrow to Toronto Island flights

London City to Pearson Intl flights

Heathrow to Pierre Elliott Trudeau Intl flights

Stansted to Pearson Intl flights

Luton to Pearson Intl flights

Gatwick to Toronto Island flights

Gatwick to Pierre Elliott Trudeau Intl flights

London City to Pierre Elliott Trudeau Intl flights

Heathrow to Ottawa flights

Luton to Pierre Elliott Trudeau Intl flights

Stansted to Pierre Elliott Trudeau Intl flights

Manchester to Pearson Intl flights

Manchester to Toronto Island flights

Gatwick to Ottawa flights

Southampton to Pearson Intl flights

London City to Ottawa flights

Edinburgh to Pearson Intl flights

Edinburgh to Toronto Island flights

Southend to Pearson Intl flights

Birmingham to Pearson Intl flights

Manchester to Pierre Elliott Trudeau Intl flights

Bristol to Pearson Intl flights

Birmingham to Toronto Island flights

Edinburgh to Pierre Elliott Trudeau Intl flights

Newcastle upon Tyne to Pearson Intl flights

Newcastle upon Tyne to Toronto Island flights

Birmingham to Pierre Elliott Trudeau Intl flights

Bristol to Toronto Island flights

Leeds to Pearson Intl flights

Heathrow to London flights

Gatwick to London flights

London City to London flights

Heathrow to Windsor flights

Manchester to Ottawa flights

Heathrow to Thunder Bay flights

Birmingham to Ottawa flights

Gatwick to Region of Waterloo Intl flights

Liverpool to Pearson Intl flights

London City to Thunder Bay flights

Leeds to Ottawa flights

Stansted to Ottawa flights

Newcastle upon Tyne to Pierre Elliott Trudeau Intl flights

Leeds to Pierre Elliott Trudeau Intl flights

Complete your trip

Niagara Falls car hire

Toronto Pearson Intl Airport car hire

Toronto Island Airport car hire

Hamilton Airport car hire

Toronto Region of Waterloo Intl Airport car hire

Top 10 airlines flying from Portsmouth to Niagara Falls

Airline	Cheapest	Average	Flexibility	On-time
PLAY	Cheapest£260	Average£268	FlexibilityNo cancel fee	On-timeN/A	Search PLAY flights
Icelandair	Cheapest£289	Average£362	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights
Lufthansa	Cheapest£301	Average£445	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
Scandinavian Airlines	Cheapest£301	Average£450	FlexibilityNo cancel fee	On-time77%	Search Scandinavian Airlines flights
Air Transat	Cheapest£304	Average£408	FlexibilityNo cancel fee	On-time50%	Search Air Transat flights
TAP AIR PORTUGAL	Cheapest£309	Average£534	FlexibilityNo cancel fee	On-timeN/A	Search TAP AIR PORTUGAL flights
Aer Lingus	Cheapest£316	Average£515	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights
Delta	Cheapest£322	Average£504	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
Virgin Atlantic	Cheapest£332	Average£433	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
KLM	Cheapest£340	Average£453	FlexibilityNo cancel fee	On-time75%	Search KLM flights

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Deals for Portsmouth to Niagara Falls 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 Portsmouth to Niagara Falls?

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 Niagara Falls from Portsmouth.

Can Cheapflights find flights from Portsmouth to Niagara Falls with no change fees?

Need flexible booking options for your flight to Niagara Falls from Portsmouth? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Portsmouth to Niagara Falls become cheaper?

Yes, Cheapflights offers price alerts on Portsmouth to Niagara Falls flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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Cheap flights from Portsmouth to Niagara Falls from £407

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 1/11. Fares are subject to change and may not be available on all flights or dates of travel.

Find flight deals from Portsmouth to Niagara Falls

Cheapest flights from Portsmouth to Niagara FallsExplore the most affordable flight options available from Portsmouth to Niagara Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 October 2025.

Explore the most affordable flight options available from Portsmouth to Niagara Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 October 2025.

Cheap flight deals from Portsmouth to Niagara Falls

Keep the following information in mind while searching for Portsmouth to Niagara Falls flight deals. Data was last updated 10 October 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Portsmouth to Niagara Falls that are best for you.

Best time to book a flight from Portsmouth to Niagara Falls

Have a flexible travel schedule? Discover the best time to fly to Niagara Falls from Portsmouth with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Portsmouth to Niagara Falls

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

What is the cheapest time of day to fly from P0R to NI4?

Find hourly flight availability from Portsmouth to Niagara Falls. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 10 October 2025.

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

Use this chart to determine the cheapest time to fly return from Portsmouth to Niagara Falls. Price data was last updated on 16 December 2024.

Weekly flight availability from Portsmouth to Niagara Falls

Related info for your journey

Find useful and relevant information for your journey from Portsmouth to Niagara Falls. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

How long is the flight from Portsmouth to Niagara Falls?

What are the most reliable airlines from Portsmouth to Niagara Falls?

What are the cheapest flights from Portsmouth to Niagara Falls?

Can I find deals for flights from Portsmouth to Niagara Falls that include hotel bookings?

How can I find direct flights from Portsmouth to Niagara Falls?

Can I find deals for business class flights from Portsmouth to Niagara Falls?

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

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 Portsmouth to Niagara Falls

See prices for flight routes from nearby airports that may be better suited for you.

Top 10 airlines flying from Portsmouth to Niagara Falls

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Portsmouth to Niagara Falls?

Why should you use Cheapflights to find cheap flight tickets from Portsmouth to Niagara Falls?

Can Cheapflights find flights from Portsmouth to Niagara Falls with no change fees?

Can Cheapflights notify me if prices for flights from Portsmouth to Niagara Falls become cheaper?

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Cheapest flights from Portsmouth to Niagara Falls
Explore the most affordable flight options available from Portsmouth to Niagara Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 October 2025.