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Cheap flights from Northern Ireland to Ontario from C$ 425

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 21/4. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — YYZ
26 2月 — 5 3月1
1 adult

Cheap flight deals from Northern Ireland to Ontario

Keep the following information in mind while searching for Northern Ireland to Ontario flight deals. Data was last updated 21 2月 2025.

Round-trip from

C$ 892

One-way from

C$ 425

Popular in

August

Cheapest in

March

Average price

C$ 947
American Airlines
  • American Airlines
  • 20/3-29/3
  • 2 total stops
  • 29h 25m total
  • Northern Ireland to Ontario
Search Deals
21/4
  • 21/4
  • 2 total stops
  • 20h 20m total
  • Northern Ireland to Ontario
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (C$ 202 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 40 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2025
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Find flight deals from Northern Ireland to Ontario

Cheapest flights from Northern Ireland to Ontario
Explore the most affordable flight options available from Northern Ireland to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 2月 2025.

週日 20/47:05 a.m.BFS - YYZ
2 stops36h 10mMultiple Airlines
週一 28/410:35 p.m.YYZ - BFS
1 stop16h 50mMultiple Airlines
Deal found 21/2C$ 838
週四 20/36:35 a.m.BHD - YUL
1 stop17h 30mAmerican Airlines
週六 29/310:10 p.m.YUL - BHD
1 stop11h 55mAmerican Airlines
Deal found 20/2C$ 892
週四 20/39:00 a.m.BHD - YUL
2 stops17h 45mMultiple Airlines
週六 29/310:10 p.m.YUL - BHD
1 stop11h 55mMultiple Airlines
Deal found 20/2C$ 955
週日 20/42:55 p.m.BFS - YTZ
2 stops31h 30mMultiple Airlines
週一 28/43:30 p.m.YTZ - BFS
2 stops22h 35mMultiple Airlines
Deal found 20/2C$ 1,547
週四 20/26:50 p.m.BHD - YUL
2 stops53h 15mBritish Airways
週六 1/38:50 p.m.YUL - BHD
1 stop12h 25mBritish Airways
Deal found 20/2C$ 2,629

Find flights from Northern Ireland to Ontario within your budget

Customize your flight search to find flights from Northern Ireland to Ontario 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 21 2月 2025.

Fly from

Northern Ireland

Fly to

Ontario

Route

Depart

Return

Price

BelfastMontreal

BHD - YUL

BHDYUL

Belfast City

週四 20/3

6:35 a.m.-8:05 p.m.

1 stop17h 30m

Montreal Pierre Elliott Trudeau Intl

週六 29/3

10:10 p.m.-3:05 p.m.

1 stop11h 55m

C$ 892

BelfastToronto

BFS - YYZ

BFSYYZ

Belfast Intl

週日 20/4

2:20 p.m.-4:00 p.m.

1 stop30h 40m

Toronto Pearson Intl

週一 28/4

10:35 p.m.-8:25 p.m.

1 stop16h 50m

C$ 892

BelfastMontreal

BHD - YUL

BHDYUL

Belfast City

週四 20/3

9:00 a.m.-10:45 p.m.

2 stops17h 45m

Montreal Pierre Elliott Trudeau Intl

週六 29/3

10:10 p.m.-3:05 p.m.

1 stop11h 55m

C$ 955

BelfastToronto

BFS - YTZ

BFSYTZ

Belfast Intl

週日 20/4

2:55 p.m.-5:25 p.m.

2 stops31h 30m

Toronto Island

週一 28/4

3:30 p.m.-7:05 p.m.

2 stops22h 35m

C$ 1,547

BelfastToronto

BFS - YYZ

BFSYYZ

Belfast Intl

週一 21/4

10:55 p.m.-2:15 p.m.

2 stops20h 20m

C$ 425

BelfastToronto

BHD - YYZ

BHDYYZ

Belfast City

週五 7/3

8:15 p.m.-3:00 p.m.

1 stop23h 45m

C$ 524

BelfastToronto

BFS - YTZ

BFSYTZ

Belfast Intl

週五 7/3

6:30 a.m.-8:30 a.m.

3 stops31h 00m

C$ 716

BelfastToronto

BHD - YTZ

BHDYTZ

Belfast City

週五 7/3

7:25 a.m.-8:30 a.m.

3 stops30h 05m

C$ 763

BelfastToronto

BHD - YYZ

BHDYYZ

Belfast City

週二 15/4

2:40 p.m.-3:40 p.m.

2 stops30h 00m

C$ 848

BelfastToronto

BHD - YYZ

BHDYYZ

Belfast City

週二 15/4

6:35 a.m.-8:10 p.m.

1 stop18h 35m

C$ 926

Flights are sorted by cheapest round-trip flights first.

Deals found on 20/2

Best time to book a flight from Northern Ireland to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Northern Ireland 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.

Travel insights for flights from Northern Ireland to Ontario

Get recent, data-driven insights about flights from Northern Ireland to Ontario including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Northern Ireland to Region of Ontario?

Currently, January is the cheapest month in which you can book a flight from Northern Ireland to Region of Ontario (average of C$ 167). Flying from Northern Ireland to Region of Ontario in July is currently the most expensive (average of C$ 258). 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.

Rainfall in Ontario by month

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

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

Temperature in Ontario by month

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

If weather is an important factor for your trip to Region of Ontario, 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 Ontario

Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated 21 2月 2025.
American Airlines
7.2
Good
10,000 reviews
Check prices

Food

6.5

Crew

8.0

Entertainment

7.0

Boarding

7.5

Comfort

7.3

Overall

7.2

Reviews

1 / 20

4.0
Okay

sohail,Dec 2024

DFW - EWR

Need to mentor not all but few staff on racism and ettiqutte. Because of one person all other get bad rating. One male steward of age was clearly ignoring his services to us, very bad. Hostesses serving our area were excellent.

American Airlines
7.2
Good
10,000 reviews
American Airlines
7.2
Good
10,000 reviews
Check prices

Food

6.5

Crew

8.0

Entertainment

7.0

Boarding

7.5

Comfort

7.3

Overall

7.2

Reviews

1 / 20

4.0
Okay

sohail,Dec 2024

DFW - EWR

Need to mentor not all but few staff on racism and ettiqutte. Because of one person all other get bad rating. One male steward of age was clearly ignoring his services to us, very bad. Hostesses serving our area were excellent.

Aer Lingus
7.0
Good
1,070 reviews
American Airlines
7.2
Good
10,000 reviews
Check prices

Food

6.5

Crew

8.0

Entertainment

7.0

Boarding

7.5

Comfort

7.3

Overall

7.2

Reviews

1 / 20

4.0
Okay

sohail,Dec 2024

DFW - EWR

Need to mentor not all but few staff on racism and ettiqutte. Because of one person all other get bad rating. One male steward of age was clearly ignoring his services to us, very bad. Hostesses serving our area were excellent.

British Airways
6.6
Okay
6,762 reviews
American Airlines
7.2
Good
10,000 reviews
Check prices

Food

6.5

Crew

8.0

Entertainment

7.0

Boarding

7.5

Comfort

7.3

Overall

7.2

Reviews

1 / 20

4.0
Okay

sohail,Dec 2024

DFW - EWR

Need to mentor not all but few staff on racism and ettiqutte. Because of one person all other get bad rating. One male steward of age was clearly ignoring his services to us, very bad. Hostesses serving our area were excellent.

Related info for your journey

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

  • Can I find deals for flights from Northern Ireland to Ontario that include hotel bookings?

    Yes. In addition to deals on Northern Ireland to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Northern Ireland to Ontario?

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

  • Can I find deals for business class flights from Northern Ireland to Ontario?

    Yes. Cheapflights offers flight deals from Northern Ireland to Ontario 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 Northern Ireland to Region of Ontario?

    Currently, January is the cheapest month in which you can book a flight from Northern Ireland to Region of Ontario (average of C$ 167). Flying from Northern Ireland to Region of Ontario in July is currently the most expensive (average of C$ 258). 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 Northern Ireland to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
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How does Cheapflights help users find flights from Northern Ireland to Ontario?

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

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