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Cheap flights from Portsmouth to Niagara Falls from £280

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 18/8. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — YYZ
5 May — 12 May1
1 adult

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 30 April 2025.

Round-trip from

£509

One-way from

£280

Popular in

August

Cheapest in

February

Average price

£407
Delta
  • Delta
  • 26/5-27/9
  • 3 total stops
  • 58h 25m total
  • Portsmouth to Niagara Falls
Search Deals
18/8
  • 18/8
  • 2 total stops
  • 47h 10m total
  • Portsmouth to Niagara Falls
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£45 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£10 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2025
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Find flight deals from Portsmouth to Niagara Falls

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 30 April 2025.

Mon 26/517:35SOU - YYZ
2 stops28h 50mDelta
Sat 27/922:10YYZ - SOU
1 stop29h 35mDelta
Deal found 30/4£509
Fri 13/620:15SOU - YYZ
2 stops33h 10mMultiple Airlines
Mon 23/614:30YYZ - SOU
3 stops24h 00mMultiple Airlines
Deal found 29/4£550
Thu 1/517:15SOU - YYZ
1 stop27h 25mAer Lingus
Thu 15/517:25YYZ - SOU
1 stop10h 15mAer Lingus
Deal found 29/4£834
Thu 1/517:35SOU - YYZ
1 stop24h 45mVirgin Atlantic
Thu 8/516:45YYZ - SOU
1 stop11h 00mVirgin Atlantic
Deal found 30/4£850
Thu 1/509:20SOU - YYZ
1 stop33h 00mKLM
Thu 15/512:10YYZ - SOU
2 stops15h 35mKLM
Deal found 29/4£868

Cheapflights Fare Finder

Customise your flight search to find flights from Portsmouth to Niagara Falls 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 858,174 searches. Data last updated 30 April 2025.
Use the filters below to find and compare flights from Portsmouth to Niagara Falls that are best for you.

Fly from

Portsmouth

Fly to

Niagara Falls

Route

Depart

Return

Price

SouthamptonToronto

SOU - YYZ

SOUYYZ

Southampton Eastleigh

Mon 26/5

09:20-11:20

2 stops31h 00m

Toronto Pearson Intl

Tue 30/9

22:10-17:00

1 stop13h 50m

£509

SouthamptonToronto

SOU - YYZ

SOUYYZ

Southampton Eastleigh

Fri 13/6

20:15-00:25

2 stops33h 10m

Toronto Pearson Intl

Mon 23/6

14:30-19:30

3 stops24h 00m

£550

SouthamptonToronto

SOU - YYZ

SOUYYZ

Southampton Eastleigh

Mon 18/8

20:00-14:10

2 stops47h 10m

£280

SouthamptonToronto

SOU - YYZ

SOUYYZ

Southampton Eastleigh

Mon 5/5

09:20-23:07

2 stops18h 47m

£1,178

SouthamptonToronto

SOU - YYZ

SOUYYZ

Southampton Eastleigh

Sun 6/7

09:20-13:20

1 stop33h 00m

£1,215

SouthamptonToronto

SOU - YYZ

SOUYYZ

Southampton Eastleigh

Sun 6/7

09:20-23:09

2 stops18h 49m

£1,395

Flights are sorted by cheapest return flights first.

Deals found on 29/4

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, January is the cheapest month in which you can book a flight from Portsmouth to Niagara Falls (average of £490). Flying from Portsmouth to Niagara Falls in July is currently the most expensive (average of £708). 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?

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 30 April 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Portsmouth to Niagara Falls as you normally would.

Weekly flight availability from Portsmouth to Niagara Falls

Explore weekly flight availability from Portsmouth to Niagara Falls. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 30 April 2025.

The most flights from P0R to NI4 are scheduled on a Tuesday (39 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (20 on average).

Rainfall in Niagara Falls by month

Plan your trip to Niagara Falls by taking into account the average rainfall totals by month.

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.

Temperature in Niagara Falls by month

Plan your trip to Niagara Falls by taking into account the average temperature totals by month.

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).

Reviews of airlines servicing Niagara Falls

Get insights into the airlines that provide service to Niagara Falls. 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 Niagara Falls. Reviews last updated 30 April 2025.
Delta
8.0
Very Good
7,934 reviews
Check prices

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Boarding

8.2

Reviews

1 / 20
6.0
Good

Moishe,Oct 2024

LGA - DEN

The plane had a mechanical error that delayed us by almost an hour. On the positive side the captain kept us all in the know
Delta
8.0
Very Good
7,934 reviews
Delta
8.0
Very Good
7,934 reviews
Check prices

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Boarding

8.2

Reviews

1 / 20
6.0
Good

Moishe,Oct 2024

LGA - DEN

The plane had a mechanical error that delayed us by almost an hour. On the positive side the captain kept us all in the know
KLM
7.8
Good
1,334 reviews
Delta
8.0
Very Good
7,934 reviews
Check prices

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Boarding

8.2

Reviews

1 / 20
6.0
Good

Moishe,Oct 2024

LGA - DEN

The plane had a mechanical error that delayed us by almost an hour. On the positive side the captain kept us all in the know
Virgin Atlantic
7.4
Good
643 reviews
Delta
8.0
Very Good
7,934 reviews
Check prices

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Boarding

8.2

Reviews

1 / 20
6.0
Good

Moishe,Oct 2024

LGA - DEN

The plane had a mechanical error that delayed us by almost an hour. On the positive side the captain kept us all in the know

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.

  • What are the cheapest airlines to fly from Portsmouth to Niagara Falls one-way?

    The cheapest airline one-way is Delta, with whom users have recently found tickets for as low as £1,178. However, be on the lookout for offers from KLM and Virgin Atlantic, as they are both options that can get you from Portsmouth to Niagara Falls for a low price.

  • 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 Croatia Airlines (89%), KLM (88%) or Air France (88%) 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 £1,035 for a flight from Portsmouth to Niagara Falls. The cheapest flight overall is £342 while the most popular route, (Southampton Eastleigh - Toronto Pearson Intl) is currently priced at £547.

  • 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, January is the cheapest month in which you can book a flight from Portsmouth to Niagara Falls (average of £490). Flying from Portsmouth to Niagara Falls in July is currently the most expensive (average of £708). 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

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Alternative routes for Portsmouth to Niagara Falls

See prices for flight routes from nearby airports that may be better suited for you.
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London City to London flights
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Heathrow to North Bay flights

Top 10 airlines flying from Portsmouth to Niagara Falls

Discover the top 10 airlines that operate flights from Portsmouth to Niagara Falls. 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 858,174 searches. Data last updated 30 April 2025.
AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest£8Average£566FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
PLAYCheapest£259Average£380FlexibilityNo cancel feeOn-timeN/A
Search PLAY flights
LufthansaCheapest£283Average£480FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
IcelandairCheapest£286Average£363FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
IberiaCheapest£300Average£709FlexibilityNo cancel feeOn-time77%
Search Iberia flights
DeltaCheapest£307Average£481FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air TransatCheapest£310Average£474FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Scandinavian AirlinesCheapest£319Average£536FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
TAP AIR PORTUGALCheapest£322Average£537FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
KLMCheapest£335Average£617FlexibilityNo cancel feeOn-time75%
Search KLM flights

Fly with Cheapflights

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

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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