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Cheap flights from Ontario to Northern Ireland from C$ 273

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 11/10. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — BFS
7 Jul — 14 Jul1
1 adult

Cheap flight deals from Ontario to Northern Ireland

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

Round-trip from

C$ 869

One-way from

C$ 444

Popular in

December

Cheapest in

October

Average price

C$ 1,357
25/8-7/9
  • 25/8-7/9
  • 2 total stops
  • 32h 30m total
  • Ontario to Northern Ireland
2/8
  • 2/8
  • 2 total stops
  • 40h 10m total
  • Ontario to Northern Ireland
Highest demand for flights based on searches. 11% potential increase in price (C$ 219 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease (C$ 46 potential savings vs. average RT price).
Average for round-trip flights in July 2025

Find flight deals from Ontario to Northern Ireland

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

Mon 25/810:15 p.m.YYZ - BFS
1 stop12h 55mMultiple Airlines
Sun 7/910:10 p.m.BFS - YYZ
1 stop19h 35mMultiple Airlines
Deal found 1/7C$ 869
Sun 28/910:15 p.m.YYZ - BHD
1 stop14h 25mMultiple Airlines
Sat 4/105:50 p.m.BHD - YYZ
1 stop25h 20mMultiple Airlines
Deal found 29/6C$ 890
Thu 14/87:15 p.m.YYZ - CAL
1 stop17h 00mMultiple Airlines
Thu 21/89:05 a.m.CAL - YYZ
1 stop30h 55mMultiple Airlines
Deal found 30/6C$ 1,008
Thu 14/89:40 p.m.YUL - BFS
1 stop13h 35mMultiple Airlines
Thu 21/86:00 a.m.BFS - YUL
3 stops29h 46mMultiple Airlines
Deal found 30/6C$ 1,043
Sat 13/910:00 p.m.YYZ - BHD
1 stop14h 15mBritish Airways
Sun 21/96:05 p.m.BHD - YYZ
1 stop26h 55mBritish Airways
Deal found 30/6C$ 1,116
Tue 5/810:15 p.m.YYZ - BHD
1 stop14h 15mAmerican Airlines
Mon 18/86:40 a.m.BHD - YYZ
2 stops15h 39mAmerican Airlines
Deal found 1/7C$ 1,190
Wed 9/76:55 p.m.YTZ - BHD
2 stops15h 10mMultiple Airlines
Mon 22/97:05 a.m.BHD - YTZ
2 stops16h 05mMultiple Airlines
Deal found 2/7C$ 1,222
Sat 13/93:11 p.m.YYZ - BHD
2 stops13h 59mIberia
Sun 21/96:50 a.m.BHD - YYZ
2 stops19h 40mIberia
Deal found 1/7C$ 1,284
Mon 1/95:05 p.m.YOW - BHD
2 stops22h 20mMultiple Airlines
Tue 30/97:05 a.m.BHD - YOW
2 stops18h 30mMultiple Airlines
Deal found 1/7C$ 1,413
Thu 14/85:20 p.m.YYZ - BHD
2 stops16h 10mAer Lingus
Tue 26/86:50 p.m.BHD - YYZ
2 stops26h 00mAer Lingus
Deal found 30/6C$ 1,424
Fri 1/810:00 p.m.YUL - BHD
1 stop17h 45mBritish Airways
Sun 10/88:05 p.m.BHD - YUL
1 stop29h 10mBritish Airways
Deal found 30/6C$ 1,431
Sat 16/84:45 p.m.YYZ - BHD
1 stop23h 30mKLM
Tue 26/85:25 p.m.BHD - YYZ
1 stop25h 05mKLM
Deal found 30/6C$ 1,468

Cheapflights Fare Finder

Customize your flight search to find flights from Ontario to Northern Ireland 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 2 July 2025.
Use the filters below to find and compare flights from Ontario to Northern Ireland that are best for you.

Fly from

Ontario

Fly to

Northern Ireland

Route

Depart

Return

Price

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Mon 25/8

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

1 stop12h 55m

Belfast Intl

Sun 7/9

10:10 p.m.-12:45 p.m.

1 stop19h 35m

C$ 869

TorontoBelfast

YYZ - BHD

YYZBHD

Toronto Pearson Intl

Sun 28/9

10:15 p.m.-5:40 p.m.

1 stop14h 25m

Belfast City

Sat 4/10

5:50 p.m.-2:10 p.m.

1 stop25h 20m

C$ 890

TorontoCampbeltown

YYZ - CAL

YYZCAL

Toronto Pearson Intl

Thu 14/8

7:15 p.m.-5:15 p.m.

1 stop17h 00m

Campbeltown Machrihanish

Thu 21/8

9:05 a.m.-11:00 a.m.

1 stop30h 55m

C$ 1,008

MontrealBelfast

YUL - BFS

YULBFS

Montreal Pierre Elliott Trudeau Intl

Thu 14/8

9:40 p.m.-4:15 p.m.

1 stop13h 35m

Belfast Intl

Thu 21/8

6:00 a.m.-6:46 a.m.

3 stops29h 46m

C$ 1,043

TorontoBelfast

YYZ - BHD

YYZBHD

Toronto Pearson Intl

Sat 13/9

10:00 p.m.-5:15 p.m.

1 stop14h 15m

Belfast City

Sun 21/9

6:05 p.m.-4:00 p.m.

1 stop26h 55m

C$ 1,116

TorontoBelfast

YYZ - BHD

YYZBHD

Toronto Pearson Intl

Tue 5/8

10:15 p.m.-5:30 p.m.

1 stop14h 15m

Belfast City

Mon 18/8

6:40 a.m.-5:19 p.m.

2 stops15h 39m

C$ 1,190

TorontoBelfast

YYZ - BHD

YYZBHD

Toronto Pearson Intl

Sat 13/9

3:11 p.m.-10:10 a.m.

2 stops13h 59m

Belfast City

Sun 21/9

6:50 a.m.-9:30 p.m.

2 stops19h 40m

C$ 1,284

OttawaBelfast

YOW - BHD

YOWBHD

Ottawa

Mon 1/9

5:05 p.m.-8:25 p.m.

2 stops22h 20m

Belfast City

Tue 30/9

7:05 a.m.-8:35 p.m.

2 stops18h 30m

C$ 1,413

TorontoBelfast

YYZ - BHD

YYZBHD

Toronto Pearson Intl

Thu 14/8

5:20 p.m.-2:30 p.m.

2 stops16h 10m

Belfast City

Tue 26/8

6:50 p.m.-3:50 p.m.

2 stops26h 00m

C$ 1,424

MontrealBelfast

YUL - BHD

YULBHD

Montreal Pierre Elliott Trudeau Intl

Fri 1/8

10:00 p.m.-8:45 p.m.

1 stop17h 45m

Belfast City

Sun 10/8

8:05 p.m.-8:15 p.m.

1 stop29h 10m

C$ 1,431

Flights are sorted by cheapest round-trip flights first.

Deals found on 30/6

Showing 1-10 of 24 results
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Best time to book a flight from Ontario to Northern Ireland

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

What is the cheapest time of day to fly from ON to NIR?

Find hourly flight availability from Ontario to Northern Ireland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 2 July 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Region of Ontario to Northern Ireland as you normally would.

How much does it cost to fly round-trip from Region of Ontario to Northern Ireland?

Reviews of airlines servicing Northern Ireland

Get insights into the airlines that provide service to Northern Ireland. 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 Northern Ireland. Reviews last updated 2 July 2025.
Check out reviews from past customers who have flown with Delta,KLM, andAmerican Airlines from Ontario to Northern Ireland to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.5

Comfort

7.9

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good

Crew

8.5

Comfort

7.9

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Crew

8.5

Comfort

7.9

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Crew

8.5

Comfort

7.9

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Crew

8.5

Comfort

7.9

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Crew

8.5

Comfort

7.9

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Northern Ireland. 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 Ontario to Northern Ireland that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from Ontario to Northern Ireland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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Alternative routes for Ontario to Northern Ireland

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Ontario to Northern Ireland

Discover the top airline that operate flights from Ontario to Northern Ireland. 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 629,999 searches. Data last updated 2 July 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapestC$ 814AverageC$ 1,277FlexibilityNo cancel feeOn-time70%
Search British Airways flights

Fly with Cheapflights

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

Deals for Ontario to Northern Ireland flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

Millions of users choose and trust Cheapflights to book the best flight deals from Ontario to Northern Ireland 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 Ontario to Northern Ireland with no change fees?

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

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Northern Ireland from Ontario today and book when prices fit your budget.

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