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Cheap flights from Northern Ireland to Ontario from C$ 374

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 1/5. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — YYZ
25 May — 1 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Northern Ireland to Ontario

Enter your travel dates to find the best prices.

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 25 April 2026.

Mon 10/82:40 p.m.
BFS
-
YYZ
2 stops27h 40m
Multiple Airlines
Mon 17/810:15 p.m.
YYZ
-
BFS
1 stop19h 50m
Multiple Airlines
Deal found 23/4C$ 962
Thu 4/68:10 p.m.
BFS
-
YUL
1 stop23h 05m
Multiple Airlines
Thu 11/610:05 p.m.
YUL
-
BFS
1 stop29h 55m
Multiple Airlines
Deal found 20/4C$ 969
Sat 6/69:30 a.m.
BFS
-
YYZ
2 stops32h 50m
Multiple Airlines
Sat 13/610:15 p.m.
YYZ
-
BFS
1 stop29h 35m
Multiple Airlines
Deal found 22/4C$ 973
Fri 5/68:15 p.m.
BFS
-
YYZ
3 stops30h 30m
Multiple Airlines
Fri 12/64:15 p.m.
YYZ
-
BFS
3 stops24h 00m
Multiple Airlines
Deal found 21/4C$ 994
Mon 10/83:25 p.m.
BHD
-
YYZ
2 stops26h 55m
Multiple Airlines
Mon 17/810:15 p.m.
YYZ
-
BHD
1 stop11h 45m
Multiple Airlines
Deal found 23/4C$ 1,092
Thu 14/58:35 p.m.
BHD
-
YUL
1 stop28h 40m
British Airways
Tue 19/510:00 p.m.
YUL
-
BHD
1 stop16h 40m
British Airways
Deal found 22/4C$ 1,218
Thu 14/56:30 a.m.
BHD
-
YUL
1 stop18h 45m
American Airlines
Tue 19/510:00 p.m.
YUL
-
BHD
1 stop16h 40m
American Airlines
Deal found 23/4C$ 1,267
Fri 5/67:35 p.m.
BHD
-
YUL
1 stop29h 40m
British Airways
Tue 9/610:00 p.m.
YUL
-
BHD
1 stop29h 50m
British Airways
Deal found 23/4C$ 1,292
Thu 14/59:50 a.m.
BHD
-
YUL
1 stop12h 05m
Delta
Tue 19/56:50 p.m.
YUL
-
BHD
1 stop17h 05m
Delta
Deal found 24/4C$ 1,297
Thu 14/57:30 p.m.
BHD
-
YYZ
2 stops32h 59m
British Airways
Mon 18/56:05 p.m.
YYZ
-
BHD
1 stop13h 50m
British Airways
Deal found 23/4C$ 1,310
Wed 8/79:50 a.m.
BHD
-
YYZ
1 stop15h 05m
Delta
Thu 16/74:45 p.m.
YYZ
-
BHD
1 stop11h 35m
Delta
Deal found 20/4C$ 1,312
Wed 8/79:50 a.m.
BHD
-
YYZ
1 stop15h 05m
KLM
Thu 16/73:20 p.m.
YYZ
-
BHD
2 stops13h 00m
KLM
Deal found 20/4C$ 1,321

Find 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 25 April 2026.

Round-trip from

C$ 962

One-way from

C$ 374
10/8-17/8
  • 10/8-17/8
  • 3 total stops
  • 47h 30m total
  • Northern Ireland to Ontario
Search Deals
1/5
  • 1/5
  • 3 total stops
  • 26h 55m total
  • Northern Ireland to Ontario
Search Deals

Cheapflights Fare Finder

 
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 25 April 2026.
Use the filters below to find and compare flights from Northern Ireland to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BelfastMontreal

BFS - YUL

BFSYUL

Belfast Intl

Thu 4/6

8:10 p.m.-2:15 p.m.

1 stop23h 05m

Montreal Pierre Elliott Trudeau Intl

Thu 11/6

10:05 p.m.-9:00 a.m.

1 stop29h 55m

C$ 969

BelfastToronto

BFS - YYZ

BFSYYZ

Belfast Intl

Sat 6/6

9:30 a.m.-1:20 p.m.

2 stops32h 50m

Toronto Pearson Intl

Sat 13/6

10:15 p.m.-8:50 a.m.

1 stop29h 35m

C$ 973

BelfastToronto

BFS - YYZ

BFSYYZ

Belfast Intl

Fri 5/6

8:15 p.m.-9:45 p.m.

3 stops30h 30m

Toronto Pearson Intl

Fri 12/6

4:15 p.m.-9:15 p.m.

3 stops24h 00m

C$ 994

BelfastToronto

BFS - YYZ

BFSYYZ

Belfast Intl

Mon 10/8

9:30 a.m.-5:10 p.m.

3 stops36h 40m

Toronto Pearson Intl

Mon 17/8

10:15 p.m.-4:25 p.m.

1 stop13h 10m

C$ 1,098

BelfastToronto

BHD - YYZ

BHDYYZ

Belfast City

Mon 10/8

10:15 a.m.-2:45 p.m.

1 stop33h 30m

Toronto Pearson Intl

Mon 17/8

10:15 p.m.-6:05 p.m.

1 stop14h 50m

C$ 1,213

BelfastMontreal

BHD - YUL

BHDYUL

Belfast City

Thu 14/5

8:35 p.m.-8:15 p.m.

1 stop28h 40m

Montreal Pierre Elliott Trudeau Intl

Tue 19/5

10:00 p.m.-7:40 p.m.

1 stop16h 40m

C$ 1,218

BelfastMontreal

BHD - YUL

BHDYUL

Belfast City

Thu 14/5

6:30 a.m.-8:15 p.m.

1 stop18h 45m

Montreal Pierre Elliott Trudeau Intl

Tue 19/5

1:03 p.m.-10:45 a.m.

2 stops16h 42m

C$ 1,292

BelfastMontreal

BHD - YUL

BHDYUL

Belfast City

Fri 5/6

7:35 p.m.-8:15 p.m.

1 stop29h 40m

Montreal Pierre Elliott Trudeau Intl

Tue 9/6

10:00 p.m.-8:50 a.m.

1 stop29h 50m

C$ 1,292
Quickest round-trip

BelfastMontreal

BHD - YUL

BHDYUL

Belfast City

Thu 14/5

9:50 a.m.-4:55 p.m.

1 stop12h 05m

Montreal Pierre Elliott Trudeau Intl

Tue 19/5

6:50 p.m.-4:55 p.m.

1 stop17h 05m

C$ 1,297

BelfastToronto

BHD - YYZ

BHDYYZ

Belfast City

Thu 14/5

7:30 p.m.-11:29 p.m.

2 stops32h 59m

Toronto Pearson Intl

Mon 18/5

6:05 p.m.-12:55 p.m.

1 stop13h 50m

C$ 1,310

Flights are sorted by cheapest round-trip flights first.

Deals found on 25/4

Showing 1-10 of 32 resultsSorted by cheapest first
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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.

Cheapflights Insights

Everything you need to know about your flight from Northern Ireland to Ontario
No data available for this route at this time. Please check back soon.

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.

  • How long is the flight from Northern Ireland to Region of Ontario?

    Departing from Northern Ireland to Region of Ontario will take you 18h 45m. Airlines will cover a distance of 4752 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • 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.

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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Manchester to Vancouver Intl flights
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Southend to Pearson Intl flights
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London City to Calgary flights
Edinburgh to Vancouver Intl flights
Luton to Vancouver Intl flights
Stansted to Calgary flights
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Birmingham to Vancouver Intl flights
Luton to Calgary flights
Heathrow to Halifax flights
London City to Pierre Elliott Trudeau Intl flights
Heathrow to Abbotsford flights
Edinburgh to Pearson Intl flights
Stansted to Pierre Elliott Trudeau Intl flights
Leeds to Vancouver Intl flights
Glasgow Intl to Pearson Intl flights
Luton to Pierre Elliott Trudeau Intl flights
Newcastle upon Tyne to Vancouver Intl flights
Heathrow to Ottawa flights
Southampton to Vancouver Intl flights
Gatwick to Halifax flights
Southend to Pierre Elliott Trudeau Intl flights
Belfast Intl to Vancouver Intl flights
Belfast City to Vancouver Intl flights
Heathrow to Edmonton flights
Edinburgh to Calgary flights
Gatwick to Edmonton flights
Newcastle upon Tyne to Pearson Intl flights

Fly with Cheapflights

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

How does Cheapflights help users find flights from Northern Ireland to Ontario?

Cheapflights helps you search for flights from Northern Ireland to Ontario via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Northern Ireland to Ontario?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Northern Ireland to Ontario for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Northern Ireland to Ontario with no change fees?

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

Can Cheapflights notify me if prices for flights from Northern Ireland to Ontario become cheaper?

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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