Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from Ireland to Niagara Falls, Ontario from £340

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 28/1. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — YYZ
21 Dec — 28 Dec1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Ireland to Niagara Falls

Enter your travel dates to find the best prices.

Cheapest flights from Ireland to Niagara Falls
Explore the most affordable flight options available from Ireland to Niagara Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 November 2025.

Wed 3/1204:25DUB - YYZ
1 stop15h 20mTAP AIR PORTUGAL
Mon 8/1222:45YYZ - DUB
1 stop12h 25mTAP AIR PORTUGAL
Deal found 19/11£350
Wed 3/1210:40DUB - YYZ
1 stop15h 41mUnited Airlines
Mon 8/1214:45YYZ - DUB
2 stops11h 45mUnited Airlines
Deal found 19/11£388
Sat 6/1211:30DUB - YYZ
1 stop10h 57mMultiple Airlines
Mon 15/1218:15YYZ - DUB
1 stop9h 25mMultiple Airlines
Deal found 20/11£391
Fri 28/1111:30DUB - YYZ
1 stop10h 53mMultiple Airlines
Sat 6/1212:36YYZ - DUB
1 stop15h 04mMultiple Airlines
Deal found 20/11£392
Tue 2/1211:30DUB - YYZ
1 stop10h 53mMultiple Airlines
Sun 14/1218:15YYZ - DUB
1 stop9h 25mMultiple Airlines
Deal found 19/11£392
Thu 27/1105:55DUB - YYZ
1 stop18h 20mMultiple Airlines
Fri 5/1218:45YYZ - DUB
1 stop16h 00mMultiple Airlines
Deal found 19/11£402
Fri 19/1211:10DUB - YYZ
1 stop15h 05mTAP AIR PORTUGAL
Sat 27/1217:30YYZ - DUB
1 stop11h 50mTAP AIR PORTUGAL
Deal found 19/11£403
Sat 20/1204:15DUB - YYZ
1 stop15h 10mTAP AIR PORTUGAL
Sat 10/117:30YYZ - DUB
1 stop24h 50mTAP AIR PORTUGAL
Deal found 19/11£405
Sat 6/1209:00DUB - YYZ
Nonstop7h 15mAir Canada
Sun 14/1200:30YYZ - DUB
2 stops28h 50mAir Canada
Deal found 20/11£421
Tue 2/1208:50DUB - YYZ
1 stop15h 25mKLM
Sun 7/1217:50YYZ - DUB
1 stop13h 50mKLM
Deal found 19/11£422
Fri 28/1113:00DUB - YYZ
Nonstop7h 55mMultiple Airlines
Thu 4/1206:50YYZ - DUB
1 stop17h 20mMultiple Airlines
Deal found 20/11£428
Tue 16/1215:20DUB - YYZ
1 stop13h 39mMultiple Airlines
Sun 11/117:25YYZ - DUB
Nonstop6h 50mMultiple Airlines
Deal found 20/11£437

Cheap flight deals from Ireland to Niagara Falls

Keep the following information in mind while searching for Ireland to Niagara Falls flight deals. Data was last updated 21 November 2025.

Round-trip from

£340

Popular in

June

Cheapest in

February

Average price

£359
Aer Lingus
  • Aer Lingus
  • 28/1-4/2
  • Nonstop
  • 14h 45m total
  • Ireland to Niagara Falls
Search Deals
Highest demand for flights based on searches. 32% potential increase in price (£166 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 16% potential price decrease (£52 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Ireland 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 21 November 2025.
Use the filters below to find and compare flights from Ireland to Niagara Falls that are best for you.

Fly from

Ireland

Fly to

Niagara Falls

Route

Depart

Return

Price

DublinToronto

DUB - YYZ

DUBYYZ

Dublin

Thu 5/2

10:50-19:45

2 stops13h 55m

Toronto Pearson Intl

Wed 11/2

19:45-17:10

1 stop16h 25m

£352

DublinToronto

DUB - YYZ

DUBYYZ

Dublin

Thu 5/2

10:50-19:45

2 stops13h 55m

Toronto Pearson Intl

Thu 12/2

18:15-16:25

1 stop17h 10m

£353

DublinToronto

DUB - YYZ

DUBYYZ

Dublin

Fri 23/1

09:25-19:45

1 stop15h 20m

Toronto Pearson Intl

Mon 26/1

21:30-17:10

2 stops14h 40m

£353

DublinToronto

DUB - YYZ

DUBYYZ

Dublin

Thu 26/3

11:30-22:45

1 stop15h 15m

Toronto Pearson Intl

Tue 31/3

22:00-14:45

1 stop11h 45m

£360

DublinToronto

DUB - YYZ

DUBYYZ

Dublin

Fri 16/1

11:55-21:10

2 stops14h 15m

Toronto Pearson Intl

Fri 23/1

18:15-11:10

1 stop11h 55m

£383

DublinToronto

DUB - YYZ

DUBYYZ

Dublin

Fri 16/1

09:30-19:45

2 stops15h 15m

Toronto Pearson Intl

Fri 23/1

12:05-07:30

2 stops14h 25m

£387

DublinToronto

DUB - YYZ

DUBYYZ

Dublin

Mon 2/2

09:30-21:21

2 stops16h 51m

Toronto Pearson Intl

Sat 14/2

15:30-08:10

1 stop11h 40m

£387

DublinToronto

DUB - YYZ

DUBYYZ

Dublin

Mon 2/2

09:30-20:27

2 stops15h 57m

Toronto Pearson Intl

Sun 15/2

14:57-07:30

1 stop11h 33m

£387

DublinToronto

DUB - YYZ

DUBYYZ

Dublin

Fri 6/2

10:40-21:21

1 stop15h 41m

Toronto Pearson Intl

Sat 14/2

15:30-08:10

1 stop11h 40m

£387

DublinToronto

DUB - YYZ

DUBYYZ

Dublin

Thu 29/1

09:30-21:21

2 stops16h 51m

Toronto Pearson Intl

Wed 4/2

12:10-07:30

2 stops14h 20m

£388

Flights are sorted by cheapest return flights first.

Deals found on 20/11

Showing 1-10 of 23 results
1
2
3

Best time to book a flight from Ireland to Niagara Falls

Have a flexible travel schedule? Discover the best time to fly to Niagara Falls from Ireland 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 Ireland to Niagara Falls

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

Currently, May is the cheapest month in which you can book a flight from Ireland to Niagara Falls (average of £173). Flying from Ireland to Niagara Falls in August is currently the most expensive (average of £353). 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 IE to NI4?

Find hourly flight availability from Ireland 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 21 November 2025.

When flying from Ireland to Niagara Falls, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 37% versus a flight at midday.

Weekly flight availability from Ireland to Niagara Falls

Explore weekly flight availability from Ireland 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 21 November 2025.

The most flights from IE0 to NI4 are scheduled on a Monday (6 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (3 on average).

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 21 November 2025.
Read through reviews of airlines operating flights from Ireland to Niagara Falls, such as Air Transat, Aer Lingus, andWestJet. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Air Transat
7.8
Good
475 reviews
Check prices

Comfort

7.4

Entertainment

7.1

Food

6.8

Crew

8.5

Boarding

7.9

Overall

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

YYZ - YUL

Easy, fast onboarding, very friendly staff. Seats were very narrow, OK for me but we were elbow to elbow with both neighbours of small size. The seat width should be indicated at the time of booking to prevent an uncomfortable situation with oversized travellers.
Air Transat
7.8
Good
475 reviews
Air Transat
7.8
Good
475 reviews
Check prices

Comfort

7.4

Entertainment

7.1

Food

6.8

Crew

8.5

Boarding

7.9

Overall

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

YYZ - YUL

Easy, fast onboarding, very friendly staff. Seats were very narrow, OK for me but we were elbow to elbow with both neighbours of small size. The seat width should be indicated at the time of booking to prevent an uncomfortable situation with oversized travellers.
Aer Lingus
7.2
Good
1,377 reviews
Air Transat
7.8
Good
475 reviews
Check prices

Comfort

7.4

Entertainment

7.1

Food

6.8

Crew

8.5

Boarding

7.9

Overall

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

YYZ - YUL

Easy, fast onboarding, very friendly staff. Seats were very narrow, OK for me but we were elbow to elbow with both neighbours of small size. The seat width should be indicated at the time of booking to prevent an uncomfortable situation with oversized travellers.
WestJet
7.2
Good
3,168 reviews
Air Transat
7.8
Good
475 reviews
Check prices

Comfort

7.4

Entertainment

7.1

Food

6.8

Crew

8.5

Boarding

7.9

Overall

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

YYZ - YUL

Easy, fast onboarding, very friendly staff. Seats were very narrow, OK for me but we were elbow to elbow with both neighbours of small size. The seat width should be indicated at the time of booking to prevent an uncomfortable situation with oversized travellers.
Air Canada
7.1
Good
10,463 reviews
Air Transat
7.8
Good
475 reviews
Check prices

Comfort

7.4

Entertainment

7.1

Food

6.8

Crew

8.5

Boarding

7.9

Overall

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

YYZ - YUL

Easy, fast onboarding, very friendly staff. Seats were very narrow, OK for me but we were elbow to elbow with both neighbours of small size. The seat width should be indicated at the time of booking to prevent an uncomfortable situation with oversized travellers.
Lufthansa
6.8
Okay
7,579 reviews
Air Transat
7.8
Good
475 reviews
Check prices

Comfort

7.4

Entertainment

7.1

Food

6.8

Crew

8.5

Boarding

7.9

Overall

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

YYZ - YUL

Easy, fast onboarding, very friendly staff. Seats were very narrow, OK for me but we were elbow to elbow with both neighbours of small size. The seat width should be indicated at the time of booking to prevent an uncomfortable situation with oversized travellers.

Related info for your journey

Find useful and relevant information for your journey from Ireland 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 Ireland to Niagara Falls?

    Departing from Ireland to Niagara Falls will take you 13h 55m. There are 3267 mi between Ireland and Niagara Falls.

  • What are the most reliable airlines from Ireland to Niagara Falls?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Ireland to Niagara Falls on time: Air Canada (91%), United Airlines (91%), Lufthansa (91%).

  • What are the cheapest flights from Ireland to Niagara Falls?

    While on average a flight from Ireland to Niagara Falls is generally £885, our data shows the cheapest flight currently is £312. When looking at the most popular route, (Dublin - Toronto Pearson Intl), you can expect to pay £371 for that flight.

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

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

  • How can I find direct flights from Ireland to Niagara Falls?

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

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

    Yes. Cheapflights offers flight deals from Ireland 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 Ireland to Niagara Falls?

    Currently, May is the cheapest month in which you can book a flight from Ireland to Niagara Falls (average of £173). Flying from Ireland to Niagara Falls in August is currently the most expensive (average of £353). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ireland to Niagara Falls

See prices for flight routes from nearby airports that may be better suited for you.
Heathrow to Pearson Intl flights
Gatwick to Pearson Intl flights
Heathrow to Toronto Island flights
London City to Pearson Intl flights
Stansted to Pearson Intl flights
Luton to Pearson Intl flights
Heathrow to Pierre Elliott Trudeau Intl flights
Gatwick to Toronto Island flights
Manchester to Pearson Intl flights
Gatwick to Pierre Elliott Trudeau Intl flights
Stansted to Pierre Elliott Trudeau Intl flights
London City to Pierre Elliott Trudeau Intl flights
Luton to Pierre Elliott Trudeau Intl flights
Heathrow to Ottawa flights
Manchester to Toronto Island flights
Edinburgh to Pearson Intl flights
Gatwick to Ottawa flights
Southend to Pearson Intl flights
Cardiff to Pearson Intl flights
London City to Ottawa flights
Birmingham to Pearson Intl flights
Manchester to Pierre Elliott Trudeau Intl flights
Heathrow to London flights
Glasgow Intl to Pearson Intl flights
Newcastle upon Tyne to Pearson Intl flights
Edinburgh to Toronto Island flights
Birmingham to Toronto Island flights
Dublin to Pearson Intl flights
Belfast Intl to Pearson Intl flights
Southampton to Pearson Intl flights
Charles de Gaulle to Pierre Elliott Trudeau Intl flights
Glasgow Intl to Pierre Elliott Trudeau Intl flights
Belfast City to Pearson Intl flights
Dublin to Toronto Island flights
Bristol to Pearson Intl flights
Edinburgh to Pierre Elliott Trudeau Intl flights
Stansted to Ottawa flights
Birmingham to Pierre Elliott Trudeau Intl flights
Frankfurt to Pierre Elliott Trudeau Intl flights
Bristol to Toronto Island flights
Heathrow to Windsor flights

Top 6 airlines flying from Ireland to Niagara Falls

Discover the top 6 airlines that operate flights from Ireland 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 21 November 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest£246Average£342FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
WestJetCheapest£279Average£392FlexibilityNo cancel feeOn-time60%
Search WestJet flights
LufthansaCheapest£284Average£417FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Aer LingusCheapest£301Average£384FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
Air TransatCheapest£306Average£399FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Air CanadaCheapest£323Average£453FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

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 Ireland to Niagara Falls?

Cheapflights makes it easy to find Ireland to Niagara Falls flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

Millions of users choose and trust Cheapflights to book the best flight deals from Ireland to Niagara Falls for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Yes! Cheapflights helps users easily find flights from Ireland to Niagara Falls with no change fees.

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

Not ready to book yet? You can track prices for flights from Ireland to Niagara Falls on Cheapflights with our Price Alert feature and get notified when better prices are available.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.