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Cheap flights from Northern Ireland to Ontario from C$ 390

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 28/4. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — YYZ
16 Apr — 23 Apr1
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 17 March 2026.

Tue 28/42:45 p.m.
BFS
-
YUL
1 stop25h 20m
Multiple Airlines
Tue 5/56:20 p.m.
YUL
-
BFS
1 stop11h 20m
Multiple Airlines
Deal found 14/3C$ 790
Fri 22/56:05 a.m.
BFS
-
YYZ
2 stops16h 04m
Multiple Airlines
Mon 1/610:45 p.m.
YYZ
-
BFS
1 stop11h 45m
Multiple Airlines
Deal found 16/3C$ 889
Mon 27/43:35 p.m.
BFS
-
YUL
1 stop26h 15m
Multiple Airlines
Mon 4/59:30 p.m.
YUL
-
BFS
1 stop32h 10m
Multiple Airlines
Deal found 13/3C$ 893
Thu 30/49:10 p.m.
BFS
-
YYZ
1 stop23h 50m
Multiple Airlines
Thu 7/510:45 p.m.
YYZ
-
BFS
1 stop29h 15m
Multiple Airlines
Deal found 16/3C$ 947
Tue 28/48:55 p.m.
BFS
-
YYZ
1 stop24h 05m
Multiple Airlines
Tue 5/510:45 p.m.
YYZ
-
BFS
1 stop27h 55m
Multiple Airlines
Deal found 14/3C$ 954
Fri 22/56:10 p.m.
BHD
-
YYZ
2 stops26h 40m
Multiple Airlines
Mon 1/610:10 p.m.
YYZ
-
BHD
1 stop10h 10m
Multiple Airlines
Deal found 16/3C$ 969
Tue 16/69:15 p.m.
BFS
-
YYZ
1 stop20h 55m
Multiple Airlines
Mon 29/611:55 p.m.
YYZ
-
BFS
2 stops16h 00m
Multiple Airlines
Deal found 13/3C$ 998
Tue 16/67:00 a.m.
BHD
-
YYZ
2 stops20h 05m
Multiple Airlines
Mon 29/611:10 p.m.
YYZ
-
BHD
2 stops16h 20m
Multiple Airlines
Deal found 15/3C$ 1,045
Wed 13/57:40 p.m.
BHD
-
YYZ
2 stops27h 00m
British Airways
Sun 17/510:15 p.m.
YYZ
-
BHD
1 stop14h 25m
British Airways
Deal found 12/3C$ 1,110
Fri 24/46:30 a.m.
BHD
-
YYZ
2 stops21h 59m
British Airways
Mon 27/410:00 p.m.
YYZ
-
BHD
1 stop14h 30m
British Airways
Deal found 12/3C$ 1,153
Thu 25/612:45 p.m.
BHD
-
YUL
1 stop12h 30m
British Airways
Sat 4/710:00 p.m.
YUL
-
BHD
1 stop12h 05m
British Airways
Deal found 14/3C$ 1,164
Thu 14/59:50 a.m.
BHD
-
YUL
1 stop12h 05m
Delta
Tue 19/56:50 p.m.
YUL
-
BHD
1 stop9h 30m
Delta
Deal found 16/3C$ 1,198

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 17 March 2026.

Round-trip from

C$ 790

One-way from

C$ 390
28/4-5/5
  • 28/4-5/5
  • 2 total stops
  • 36h 40m total
  • Northern Ireland to Ontario
Search Deals
28/4
  • 28/4
  • 3 total stops
  • 34h 05m 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 17 March 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

BelfastToronto

BFS - YYZ

BFSYYZ

Belfast Intl

Fri 22/5

6:05 a.m.-5:09 p.m.

2 stops16h 04m

Toronto Pearson Intl

Mon 1/6

10:45 p.m.-3:30 p.m.

1 stop11h 45m

C$ 889

BelfastMontreal

BFS - YUL

BFSYUL

Belfast Intl

Mon 27/4

3:35 p.m.-12:50 p.m.

1 stop26h 15m

Montreal Pierre Elliott Trudeau Intl

Mon 4/5

9:30 p.m.-10:40 a.m.

1 stop32h 10m

C$ 893

BelfastMontreal

BFS - YUL

BFSYUL

Belfast Intl

Tue 28/4

2:45 p.m.-11:05 a.m.

1 stop25h 20m

Montreal Pierre Elliott Trudeau Intl

Tue 5/5

1:20 p.m.-10:40 a.m.

2 stops16h 20m

C$ 901

BelfastToronto

BFS - YYZ

BFSYYZ

Belfast Intl

Thu 30/4

9:10 p.m.-4:00 p.m.

1 stop23h 50m

Toronto Pearson Intl

Thu 7/5

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

1 stop29h 15m

C$ 947

BelfastToronto

BFS - YYZ

BFSYYZ

Belfast Intl

Tue 28/4

8:55 p.m.-4:00 p.m.

1 stop24h 05m

Toronto Pearson Intl

Tue 5/5

10:45 p.m.-7:40 a.m.

1 stop27h 55m

C$ 954

BelfastToronto

BFS - YYZ

BFSYYZ

Belfast Intl

Tue 16/6

9:15 p.m.-1:10 p.m.

1 stop20h 55m

Toronto Pearson Intl

Mon 29/6

11:55 p.m.-8:55 p.m.

2 stops16h 00m

C$ 998

BelfastToronto

BHD - YYZ

BHDYYZ

Belfast City

Wed 13/5

8:35 p.m.-11:29 p.m.

2 stops31h 54m

Toronto Pearson Intl

Sun 17/5

10:15 p.m.-2:35 p.m.

1 stop11h 20m

C$ 1,135

BelfastToronto

BHD - YYZ

BHDYYZ

Belfast City

Fri 24/4

6:30 a.m.-11:29 p.m.

2 stops21h 59m

Toronto Pearson Intl

Mon 27/4

10:00 p.m.-5:30 p.m.

1 stop14h 30m

C$ 1,153

BelfastMontreal

BHD - YUL

BHDYUL

Belfast City

Thu 25/6

12:45 p.m.-8:15 p.m.

1 stop12h 30m

Montreal Pierre Elliott Trudeau Intl

Sat 4/7

10:00 p.m.-3:05 p.m.

1 stop12h 05m

C$ 1,164
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.-9:20 a.m.

1 stop9h 30m

C$ 1,198

Flights are sorted by cheapest round-trip flights first.

Deals found on 14/3

Showing 1-10 of 45 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 12h 05m. 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.
Heathrow to Pearson Intl flights
Heathrow to Vancouver Intl flights
Gatwick to Pearson Intl flights
Gatwick to Vancouver Intl flights
Heathrow to Pierre Elliott Trudeau Intl flights
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Heathrow to Calgary flights
London City to Vancouver Intl flights
Luton to Pearson Intl flights
Gatwick to Pierre Elliott Trudeau Intl flights
Manchester to Pearson Intl flights
Stansted to Pierre Elliott Trudeau Intl flights
Gatwick to Calgary flights
London City to Pierre Elliott Trudeau Intl flights
London City to Calgary flights
Heathrow to Halifax flights
Luton to Pierre Elliott Trudeau Intl flights
Manchester to Vancouver Intl flights
Stansted to Calgary flights
Edinburgh to Pearson Intl flights
Southend to Pearson Intl flights
Luton to Calgary flights
Luton to Vancouver Intl flights
Southend to Pierre Elliott Trudeau Intl flights
Heathrow to Abbotsford flights
Glasgow Intl to Pearson Intl flights
Heathrow to Ottawa flights
Edinburgh to Vancouver Intl flights
Gatwick to Halifax flights
Bristol to Pierre Elliott Trudeau Intl flights
Birmingham to Pearson Intl flights
Birmingham to Pierre Elliott Trudeau Intl flights
Manchester to Pierre Elliott Trudeau Intl flights
Manchester to Calgary flights
Edinburgh to Calgary flights
Gatwick to Ottawa flights
Heathrow to Edmonton flights
Edinburgh to Pierre Elliott Trudeau Intl flights
Newcastle upon Tyne to Pierre Elliott Trudeau Intl flights
Gatwick to Edmonton 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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