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

For as low as C$ 845, British Airways can have you in Northern Ireland from Region of Ontario in 13h 10m. There are 4752 km between Region of Ontario and Northern Ireland. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

In terms of precipitation, rainfall in Northern Ireland ranges from 50.0 - 90.0 mm per month. October is typically the wettest month, when rainfall can reach 90.0 mm. April is typically the driest time to visit Northern Ireland when rainfall is around 50.0 mm.

If weather is an important factor for your trip to Northern Ireland, 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 16.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 5.0 C).

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.

C$ 347+ Cheap Flights from Ontario to Northern Ireland

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

Airfare is below average for this route at the moment. Region of Ontario to Northern Ireland flights typically cost between C$ 1,052 and C$ 1,370 in January. The cheapest round-trip price found within the last 3 days was C$ 890 on Multiple Airlines (28 Jan-6 Feb).

Cheap flight deals from Ontario to Northern Ireland

Round-trip from	C$ 845
One-way from	C$ 347
Popular in	July
Cheapest in	October
Average price	C$ 1,321

British Airways
18/11-30/11
2 total stops
45h 45m total
Ontario to Northern Ireland

Search Deals

7/10
2 total stops
14h 00m total
Ontario to Northern Ireland

Search Deals

Highest demand for flights based on searches. 30% potential increase in price (C$ 971 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 18% potential price decrease (C$ 357 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in September 2025

Search Deals

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 17 September 2025.

Tue 18/118:40 p.m.YUL - BHD

1 stop13h 10mBritish Airways

Sun 30/113:10 p.m.BHD - YUL

1 stop32h 35mBritish Airways

Deal found 15/9C$ 845

Wed 19/118:40 p.m.YUL - BHD

1 stop12h 35mBritish Airways

Sun 30/118:25 p.m.BHD - YUL

1 stop27h 20mBritish Airways

Deal found 16/9C$ 846

Tue 14/1011:50 p.m.YYZ - BFS

1 stop26h 50mMultiple Airlines

Tue 21/109:25 p.m.BFS - YYZ

1 stop23h 40mMultiple Airlines

Deal found 16/9C$ 911

Mon 29/95:59 p.m.YYZ - BHD

2 stops16h 41mAmerican Airlines

Mon 6/109:50 a.m.BHD - YYZ

2 stops17h 39mAmerican Airlines

Deal found 15/9C$ 911

Tue 21/106:05 p.m.YYZ - BHD

1 stop13h 55mBritish Airways

Fri 31/108:45 a.m.BHD - YYZ

1 stop11h 05mBritish Airways

Deal found 14/9C$ 935

Sun 28/910:15 p.m.YYZ - BFS

1 stop11h 45mMultiple Airlines

Sun 19/104:40 p.m.BFS - YYZ

2 stops33h 20mMultiple Airlines

Deal found 17/9C$ 945

Wed 15/103:49 p.m.YYZ - BHD

2 stops15h 06mAmerican Airlines

Wed 22/106:50 a.m.BHD - YYZ

2 stops15h 29mAmerican Airlines

Deal found 15/9C$ 968

Wed 15/1010:10 p.m.YYZ - BFS

2 stops18h 50mMultiple Airlines

Wed 22/108:30 p.m.BFS - YYZ

2 stops22h 55mMultiple Airlines

Deal found 15/9C$ 974

Tue 18/112:29 p.m.YUL - BHD

2 stops19h 21mAmerican Airlines

Sun 30/116:30 a.m.BHD - YUL

1 stop17h 15mAmerican Airlines

Deal found 15/9C$ 975

Mon 29/93:11 p.m.YYZ - BHD

2 stops21h 19mBritish Airways

Mon 6/106:30 p.m.BHD - YYZ

1 stop26h 30mBritish Airways

Deal found 15/9C$ 978

Tue 14/1010:15 p.m.YYZ - BHD

1 stop12h 05mAmerican Airlines

Tue 21/106:35 a.m.BHD - YYZ

2 stops17h 09mAmerican Airlines

Deal found 16/9C$ 982

Tue 21/103:10 p.m.YYZ - BHD

2 stops14h 25mAmerican Airlines

Fri 31/106:45 a.m.BHD - YYZ

2 stops15h 59mAmerican Airlines

Deal found 14/9C$ 990

Best flights from Ontario to Northern Ireland
Discover carefully curated flight deals from Ontario to Northern Ireland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 17 September 2025.

Tue 18/118:40 p.m.YUL - BHD

1 stop13h 10mBritish Airways

Sun 30/113:10 p.m.BHD - YUL

1 stop32h 35mBritish Airways

Deal found 15/9C$ 845

Wed 28/19:35 p.m.YYZ - BHD

1 stop11h 00mMultiple Airlines

Fri 6/27:20 a.m.BHD - YYZ

1 stop12h 40mMultiple Airlines

Deal found 16/9C$ 863

Mon 29/95:59 p.m.YYZ - BHD

2 stops16h 41mAmerican Airlines

Mon 6/109:50 a.m.BHD - YYZ

2 stops17h 39mAmerican Airlines

Deal found 15/9C$ 911

Thu 30/1012:05 p.m.YOW - BHD

3 stops19h 15mAer Lingus

Thu 6/116:00 p.m.BHD - YOW

3 stops30h 18mAer Lingus

Deal found 17/9C$ 1,553

Wed 19/118:40 p.m.YUL - BHD

1 stop12h 35mBritish Airways

Sun 30/118:25 p.m.BHD - YUL

1 stop27h 20mBritish Airways

Deal found 15/9C$ 845

Wed 28/19:35 p.m.YYZ - BFS

1 stop15h 20mMultiple Airlines

Fri 6/26:30 a.m.BFS - YYZ

1 stop13h 30mMultiple Airlines

Deal found 16/9C$ 890

Tue 18/112:29 p.m.YUL - BHD

2 stops19h 21mAmerican Airlines

Sun 30/116:30 a.m.BHD - YUL

1 stop17h 15mAmerican Airlines

Deal found 15/9C$ 975

Tue 14/1011:50 p.m.YYZ - BFS

1 stop26h 50mMultiple Airlines

Tue 21/109:25 p.m.BFS - YYZ

1 stop23h 40mMultiple Airlines

Deal found 16/9C$ 911

Wed 28/16:20 p.m.YYZ - BHD

2 stops14h 55mBritish Airways

Fri 6/26:45 a.m.BHD - YYZ

1 stop13h 05mBritish Airways

Deal found 16/9C$ 931

Wed 15/103:49 p.m.YYZ - BHD

2 stops15h 06mAmerican Airlines

Wed 22/106:50 a.m.BHD - YYZ

2 stops15h 29mAmerican Airlines

Deal found 17/9C$ 975

Tue 21/106:05 p.m.YYZ - BHD

1 stop13h 55mBritish Airways

Fri 31/108:45 a.m.BHD - YYZ

1 stop11h 05mBritish Airways

Deal found 14/9C$ 935

Wed 15/1010:10 p.m.YYZ - BFS

2 stops18h 50mMultiple Airlines

Wed 22/108:30 p.m.BFS - YYZ

3 stops40h 41mMultiple Airlines

Deal found 15/9C$ 974

Tue 14/1010:15 p.m.YYZ - BHD

1 stop12h 05mAmerican Airlines

Tue 21/106:35 a.m.BHD - YYZ

2 stops17h 09mAmerican Airlines

Deal found 16/9C$ 982

Mon 29/93:11 p.m.YYZ - BHD

2 stops21h 19mBritish Airways

Mon 6/106:30 p.m.BHD - YYZ

1 stop26h 30mBritish Airways

Deal found 15/9C$ 978

Tue 21/103:10 p.m.YYZ - BHD

2 stops14h 25mAmerican Airlines

Fri 31/106:45 a.m.BHD - YYZ

2 stops15h 59mAmerican Airlines

Deal found 14/9C$ 990

Fri 17/1011:55 p.m.YYZ - BFS

2 stops17h 40mMultiple Airlines

Fri 31/108:05 a.m.BFS - YYZ

3 stops33h 00mMultiple Airlines

Deal found 15/9C$ 1,063

Mon 6/103:10 p.m.YYZ - BHD

2 stops19h 30mBritish Airways

Mon 13/106:30 p.m.BHD - YYZ

2 stops32h 00mBritish Airways

Deal found 15/9C$ 1,015

Tue 14/1012:25 p.m.YTZ - BFS

3 stops21h 35mMultiple Airlines

Tue 21/109:25 p.m.BFS - YTZ

3 stops25h 20mMultiple Airlines

Deal found 16/9C$ 1,072

Sat 1/118:15 a.m.YYZ - BFS

3 stops33h 25mMultiple Airlines

Sat 8/1112:45 p.m.BFS - YYZ

3 stops30h 40mMultiple Airlines

Deal found 17/9C$ 1,121

Fri 20/28:30 p.m.YUL - BHD

1 stop12h 45mBritish Airways

Tue 24/210:10 a.m.BHD - YUL

2 stops13h 35mBritish Airways

Deal found 14/9C$ 1,127

Tue 14/1012:25 p.m.YTZ - BHD

3 stops19h 30mMultiple Airlines

Tue 21/106:00 p.m.BHD - YTZ

3 stops27h 45mMultiple Airlines

Deal found 16/9C$ 1,123

Sat 20/98:35 a.m.YOW - BFS

2 stops22h 30mMultiple Airlines

Sat 27/95:45 a.m.BFS - YOW

2 stops16h 22mMultiple Airlines

Deal found 15/9C$ 1,249

Thu 30/102:05 p.m.YOW - BFS

3 stops26h 20mMultiple Airlines

Thu 6/117:05 a.m.BFS - YOW

3 stops19h 13mMultiple Airlines

Deal found 15/9C$ 1,275

Sat 1/118:00 a.m.YTZ - BFS

3 stops33h 40mMultiple Airlines

Sat 8/116:00 a.m.BFS - YTZ

3 stops20h 15mMultiple Airlines

Deal found 17/9C$ 1,358

Thu 30/105:40 a.m.YOW - BHD

2 stops24h 40mMultiple Airlines

Thu 6/118:00 p.m.BHD - YOW

2 stops33h 42mMultiple Airlines

Deal found 17/9C$ 1,424

Fri 26/95:05 p.m.YOW - BFS

2 stops24h 15mMultiple Airlines

Fri 3/106:05 a.m.BFS - YOW

2 stops19h 55mMultiple Airlines

Deal found 15/9C$ 1,988

Last-minute flights from Ontario to Northern Ireland
Discover last-minute flight deals from Ontario to Northern Ireland. Data last updated 17 September 2025 and is based on user searches.

Tue 23/93:45 p.m.YYZ - BHD

2 stops13h 50mAmerican Airlines

Tue 14/109:35 a.m.BHD - YYZ

2 stops16h 55mAmerican Airlines

Deal found 17/9C$ 1,012

Sun 28/910:15 p.m.YYZ - BFS

1 stop11h 45mMultiple Airlines

Sun 19/104:40 p.m.BFS - YYZ

2 stops33h 20mMultiple Airlines

Deal found 17/9C$ 945

Mon 29/95:59 p.m.YYZ - BHD

2 stops16h 41mAmerican Airlines

Mon 6/109:50 a.m.BHD - YYZ

2 stops17h 39mAmerican Airlines

Deal found 15/9C$ 911

Mon 29/93:11 p.m.YYZ - BHD

2 stops21h 19mBritish Airways

Mon 6/106:30 p.m.BHD - YYZ

1 stop26h 30mBritish Airways

Deal found 15/9C$ 978

Mon 6/103:10 p.m.YYZ - BHD

2 stops19h 30mBritish Airways

Mon 13/106:30 p.m.BHD - YYZ

2 stops32h 00mBritish Airways

Deal found 15/9C$ 1,015

Tue 14/1011:50 p.m.YYZ - BFS

1 stop26h 50mMultiple Airlines

Tue 21/109:25 p.m.BFS - YYZ

1 stop23h 40mMultiple Airlines

Deal found 16/9C$ 911

Tue 14/1010:15 p.m.YYZ - BHD

1 stop12h 05mAmerican Airlines

Tue 21/106:35 a.m.BHD - YYZ

2 stops17h 09mAmerican Airlines

Deal found 16/9C$ 982

Wed 15/103:49 p.m.YYZ - BHD

2 stops15h 06mAmerican Airlines

Wed 22/106:50 a.m.BHD - YYZ

2 stops15h 29mAmerican Airlines

Deal found 15/9C$ 968

Wed 15/1010:10 p.m.YYZ - BFS

2 stops18h 50mMultiple Airlines

Wed 22/108:30 p.m.BFS - YYZ

2 stops22h 55mMultiple Airlines

Deal found 15/9C$ 974

Fri 17/1011:55 p.m.YYZ - BFS

2 stops17h 40mMultiple Airlines

Fri 31/108:05 a.m.BFS - YYZ

3 stops33h 00mMultiple Airlines

Deal found 15/9C$ 1,063

Tue 21/106:05 p.m.YYZ - BHD

1 stop13h 55mBritish Airways

Fri 31/108:45 a.m.BHD - YYZ

1 stop11h 05mBritish Airways

Deal found 14/9C$ 935

Tue 21/103:10 p.m.YYZ - BHD

2 stops14h 25mAmerican Airlines

Fri 31/106:45 a.m.BHD - YYZ

2 stops15h 59mAmerican Airlines

Deal found 14/9C$ 990

One-way flights from Ontario to Northern Ireland
Search for one-way flight options from Ontario to Northern Ireland. Find affordable one-way fares based on user searches. Data last updated 17 September 2025.

Tue 7/1010:10 p.m.YYZ - BHD

2 stops14h 00mMultiple Airlines

Deal found 17/9C$ 347

Tue 7/106:20 p.m.YYZ - BFS

2 stops20h 05mMultiple Airlines

Deal found 17/9C$ 424

Thu 30/107:35 p.m.YYZ - BFS

2 stops24h 10mMultiple Airlines

Deal found 15/9C$ 495

Fri 31/106:15 p.m.YYZ - BFS

3 stops33h 55mMultiple Airlines

Deal found 16/9C$ 516

Sat 1/116:20 p.m.YTZ - BFS

3 stops45h 50mMultiple Airlines

Deal found 17/9C$ 521

Sat 1/115:10 p.m.YUL - BHD

3 stops40h 25mMultiple Airlines

Deal found 17/9C$ 543

Fri 31/1011:05 a.m.YTZ - BFS

3 stops39h 40mMultiple Airlines

Deal found 16/9C$ 590

Thu 30/104:55 p.m.YOW - BFS

3 stops34h 00mMultiple Airlines

Deal found 15/9C$ 603

Thu 30/108:30 p.m.YTZ - BFS

3 stops35h 25mMultiple Airlines

Deal found 14/9C$ 609

Wed 31/125:25 p.m.YYZ - BHD

2 stops21h 30mAer Lingus

Deal found 16/9C$ 641

Fri 31/102:35 p.m.YHM - BFS

3 stops41h 25mMultiple Airlines

Deal found 15/9C$ 659

Fri 31/102:30 p.m.YUL - BFS

3 stops38h 20mMultiple Airlines

Deal found 16/9C$ 684

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

MontrealBelfast

YUL - BHD

YULBHD

Montreal Pierre Elliott Trudeau Intl

Tue 18/11

8:40 p.m.-2:50 p.m.

1 stop13h 10m

Belfast City

Sun 30/11

3:10 p.m.-6:45 p.m.

1 stop32h 35m

C$ 845

MontrealBelfast

YUL - BHD

YULBHD

Montreal Pierre Elliott Trudeau Intl

Wed 19/11

8:40 p.m.-2:15 p.m.

1 stop12h 35m

Belfast City

Sun 30/11

8:25 p.m.-6:45 p.m.

1 stop27h 20m

C$ 845

TorontoBelfast

YYZ - BHD

YYZBHD

Toronto Pearson Intl

Wed 28/1

9:35 p.m.-1:35 p.m.

1 stop11h 00m

Belfast City

Fri 6/2

7:20 a.m.-3:00 p.m.

1 stop12h 40m

C$ 863

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Wed 28/1

9:35 p.m.-5:55 p.m.

1 stop15h 20m

Belfast Intl

Fri 6/2

6:30 a.m.-3:00 p.m.

1 stop13h 30m

C$ 890

TorontoBelfast

YYZ - BHD

YYZBHD

Toronto Pearson Intl

Mon 29/9

5:59 p.m.-3:40 p.m.

2 stops16h 41m

Belfast City

Mon 6/10

9:50 a.m.-10:29 p.m.

2 stops17h 39m

C$ 911

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Tue 14/10

11:50 p.m.-7:40 a.m.

1 stop26h 50m

Belfast Intl

Tue 21/10

9:25 p.m.-4:05 p.m.

1 stop23h 40m

C$ 911

TorontoBelfast

YYZ - BHD

YYZBHD

Toronto Pearson Intl

Wed 28/1

6:20 p.m.-2:15 p.m.

2 stops14h 55m

Belfast City

Fri 6/2

6:45 a.m.-2:50 p.m.

1 stop13h 05m

C$ 931

TorontoBelfast

YYZ - BHD

YYZBHD

Toronto Pearson Intl

Tue 21/10

6:05 p.m.-1:00 p.m.

1 stop13h 55m

Belfast City

Fri 31/10

8:45 a.m.-3:50 p.m.

1 stop11h 05m

C$ 935

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Wed 15/10

10:10 p.m.-10:00 p.m.

2 stops18h 50m

Belfast Intl

Wed 22/10

8:30 p.m.-8:11 a.m.

3 stops40h 41m

C$ 974

MontrealBelfast

YUL - BHD

YULBHD

Montreal Pierre Elliott Trudeau Intl

Tue 18/11

2:29 p.m.-2:50 p.m.

2 stops19h 21m

Belfast City

Sun 30/11

6:30 a.m.-6:45 p.m.

1 stop17h 15m

C$ 975

Flights are sorted by cheapest round-trip flights first.

Deals found on 17/9

Showing 1-10 of 42 results

...

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?

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

Check out reviews from past customers who have flown with British Airways 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.

British Airways

6.7

Okay

7,367 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Anonymous,Aug 2025

ALG - LGW

Didn't like anything from this flight starting with the lady at the counter. Nasty attitude.

British Airways

6.7

Okay

7,367 reviews

British Airways

6.7

Okay

7,367 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Anonymous,Aug 2025

ALG - LGW

Didn't like anything from this flight starting with the lady at the counter. Nasty attitude.

Related info for your journey

How long is the flight from Region of Ontario to Northern Ireland?
For as low as C$ 845, British Airways can have you in Northern Ireland from Region of Ontario in 13h 10m. There are 4752 km between Region of Ontario and Northern Ireland. 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 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Ontario to Northern Ireland

Pearson Intl to Heathrow flights

Pearson Intl to Gatwick flights

Vancouver Intl to Heathrow flights

Pierre Elliott Trudeau Intl to Heathrow flights

Pearson Intl to London City flights

Toronto Island to Heathrow flights

Pearson Intl to Stansted flights

Vancouver Intl to Gatwick flights

Calgary to Heathrow flights

Pearson Intl to Luton flights

Halifax to Heathrow flights

Vancouver Intl to London City flights

Pierre Elliott Trudeau Intl to London City flights

Pierre Elliott Trudeau Intl to Gatwick flights

Abbotsford to Heathrow flights

Toronto Island to Gatwick flights

Calgary to Gatwick flights

Pierre Elliott Trudeau Intl to Luton flights

Pearson Intl to Edinburgh flights

Pierre Elliott Trudeau Intl to Stansted flights

Ottawa to Heathrow flights

Pearson Intl to Manchester flights

Calgary to London City flights

Halifax to Gatwick flights

Pearson Intl to Glasgow Intl flights

Pierre Elliott Trudeau Intl to Southend flights

Vancouver Intl to Stansted flights

Ottawa to Gatwick flights

Pierre Elliott Trudeau Intl to Edinburgh flights

Winnipeg to Heathrow flights

Calgary to Luton flights

Halifax to London City flights

Toronto Island to Manchester flights

Edmonton to Heathrow flights

Vancouver Intl to Edinburgh flights

Hamilton to Heathrow flights

Ottawa to London City flights

Winnipeg to Gatwick flights

Calgary to Edinburgh flights

Edmonton to Gatwick flights

Pearson Intl to Birmingham flights

Kelowna to Heathrow flights

Vancouver Intl to Luton flights

Vancouver Intl to Manchester flights

Vancouver Intl to Birmingham flights

Victoria to Heathrow flights

Toronto Island to Edinburgh flights

Edmonton to London City flights

Calgary to Stansted flights

Top airline flying from Ontario to Northern Ireland

Airline	Cheapest	Average	Flexibility	On-time
British Airways	CheapestC$ 821	AverageC$ 1,289	FlexibilityNo cancel fee	On-time70%	Search British Airways flights

Fly with Cheapflights

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from Ontario to Northern Ireland from C$ 347

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 7/10. Fares are subject to change and may not be available on all flights or dates of travel.

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 17 September 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Ontario to Northern Ireland

Cheapest flights from Ontario to Northern IrelandExplore 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 17 September 2025.

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 17 September 2025.

Cheapflights Fare Finder

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

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.

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 17 September 2025.

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

Reviews of airlines servicing Northern Ireland

Check out reviews from past customers who have flown with British Airways 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.

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.

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

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

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

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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

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 Ontario to Northern Ireland?

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

Can Cheapflights 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?

100% Free

Book with Flexibility

Travel Smart

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 17 September 2025.