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Cheap flights from Northern Ireland to Ontario from C$ 505

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 7/9. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — YYZ
4 Sep — 11 Sep1
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 5 August 2026.

Mon 14/93:35 p.m. -
1 stop25h 00m
Mon 28/96:50 p.m. -
1 stop19h 15m
Deal found 1/8C$ 704
Mon 7/99:35 p.m. -
1 stop18h 25m
Mon 14/97:15 p.m. -
1 stop12h 15m
Deal found 2/8C$ 810
Thu 17/96:10 a.m. -
2 stops20h 55m
Mon 21/98:45 p.m. -
2 stops18h 40m
Deal found 3/8C$ 814
Thu 17/96:10 a.m. -
2 stops20h 55m
Sat 24/1011:25 p.m. -
2 stops14h 25m
Deal found 3/8C$ 828
Thu 17/97:00 a.m. -
2 stops20h 05m
Sat 24/1011:25 p.m. -
2 stops15h 30m
Deal found 3/8C$ 831
Fri 4/96:05 a.m. -
2 stops15h 25m
Sun 13/94:55 p.m. -
2 stops22h 20m
Deal found 3/8C$ 852
Tue 1/96:15 a.m. -
2 stops20h 46m
Tue 8/911:55 a.m. -
2 stops28h 10m
Deal found 2/8C$ 907
Mon 17/88:35 p.m. -
2 stops22h 46m
Sun 23/84:30 p.m. -
2 stops20h 55m
Deal found 2/8C$ 973
Tue 1/97:00 a.m. -
2 stops35h 46m
Tue 8/94:55 p.m. -
2 stops22h 35m
Deal found 1/8C$ 975
Mon 17/88:35 p.m. -
1 stop19h 25m
Sun 23/87:50 p.m. -
1 stop17h 35m
Deal found 2/8C$ 977
Mon 7/912:40 p.m. -
2 stops29h 15m
Mon 14/96:40 p.m. -
2 stops21h 10m
Deal found 2/8C$ 1,018
Mon 7/98:55 p.m. -
2 stops24h 35m
Mon 14/94:55 p.m. -
2 stops21h 10m
Deal found 4/8C$ 1,061

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 5 August 2026.

Round-trip from

C$ 704

One-way from

C$ 505
14/9-28/9
  • 14/9-28/9
  • 2 total stops
  • 44h 15m total
  • Northern Ireland to Ontario
Search Deals
7/9
  • 7/9
  • 2 total stops
  • 25h 10m 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 5 August 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 Belfast Intl - YUL Montreal Pierre Elliott Trudeau Intl

BFSYUL

Belfast Intl

Mon 14/9

3:35 p.m.-11:35 a.m.

1 stop25h 00m

Montreal Pierre Elliott Trudeau Intl

Mon 28/9

6:50 p.m.-7:05 p.m.

1 stop19h 15m

C$ 704
Quickest round-trip

BelfastToronto

BFS Belfast Intl - YYZ Toronto Pearson Intl

BFSYYZ

Belfast Intl

Mon 7/9

9:35 p.m.-11:00 a.m.

1 stop18h 25m

Toronto Pearson Intl

Mon 14/9

7:15 p.m.-12:30 p.m.

1 stop12h 15m

C$ 810

BelfastToronto

BFS Belfast Intl - YYZ Toronto Pearson Intl

BFSYYZ

Belfast Intl

Thu 17/9

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

2 stops20h 55m

Toronto Pearson Intl

Sat 24/10

11:25 p.m.-5:50 p.m.

2 stops14h 25m

C$ 828

BelfastToronto

BFS Belfast Intl - YTZ Toronto Island

BFSYTZ

Belfast Intl

Fri 4/9

6:05 a.m.-4:30 p.m.

2 stops15h 25m

Toronto Island

Sun 13/9

4:55 p.m.-8:15 p.m.

2 stops22h 20m

C$ 852

BelfastToronto

BFS Belfast Intl - YTZ Toronto Island

BFSYTZ

Belfast Intl

Tue 1/9

6:15 a.m.-10:01 p.m.

2 stops20h 46m

Toronto Island

Tue 8/9

11:55 a.m.-9:05 p.m.

2 stops28h 10m

C$ 907

BelfastToronto

BFS Belfast Intl - YYZ Toronto Pearson Intl

BFSYYZ

Belfast Intl

Thu 17/9

9:05 p.m.-3:00 p.m.

2 stops22h 55m

Toronto Pearson Intl

Mon 21/9

7:15 p.m.-12:30 p.m.

1 stop12h 15m

C$ 967

BelfastToronto

BFS Belfast Intl - YTZ Toronto Island

BFSYTZ

Belfast Intl

Mon 17/8

8:35 p.m.-2:21 p.m.

2 stops22h 46m

Toronto Island

Sun 23/8

4:30 p.m.-6:25 p.m.

2 stops20h 55m

C$ 973

BelfastToronto

BHD Belfast City - YTZ Toronto Island

BHDYTZ

Belfast City

Tue 1/9

7:00 a.m.-1:46 p.m.

2 stops35h 46m

Toronto Island

Tue 8/9

4:55 p.m.-8:30 p.m.

2 stops22h 35m

C$ 975

BelfastToronto

BFS Belfast Intl - YYZ Toronto Pearson Intl

BFSYYZ

Belfast Intl

Tue 1/9

5:55 a.m.-10:00 a.m.

2 stops33h 05m

Toronto Pearson Intl

Tue 8/9

11:55 p.m.-11:20 p.m.

2 stops18h 25m

C$ 1,020

BelfastToronto

BHD Belfast City - YYZ Toronto Pearson Intl

BHDYYZ

Belfast City

Mon 7/9

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

1 stop33h 30m

Toronto Pearson Intl

Mon 14/9

7:15 p.m.-11:55 a.m.

1 stop11h 40m

C$ 1,030

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/8

Showing 1-10 of 22 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.

  • 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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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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