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

For as low as C$ 1,438, Aer Lingus can have you in Northern Ireland from Region of Ontario in 18h 10m. There are 4880 km between Region of Ontario and Northern Ireland.

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).

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.

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$ 308+ Cheap Flights from Ontario to Northern Ireland

Cheap flight deals from Ontario to Northern Ireland

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

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 10 October 2026.

Tue 10/119:35 p.m. -

1 stop11h 55m

Fri 27/116:30 a.m. -

1 stop13h 30m

Deal found 7/10C$ 900

Mon 23/119:35 p.m. -

1 stop31h 30m

Mon 30/118:50 p.m. -

1 stop23h 10m

Deal found 9/10C$ 931

Thu 5/119:35 p.m. -

1 stop29h 05m

Thu 12/118:05 p.m. -

1 stop23h 55m

Deal found 6/10C$ 944

Thu 26/117:40 p.m. -

2 stops21h 15m

Tue 1/127:05 a.m. -

2 stops16h 10m

Deal found 8/10C$ 963

Tue 10/119:35 p.m. -

1 stop11h 00m

Fri 27/117:20 a.m. -

1 stop12h 40m

Deal found 7/10C$ 977

Thu 5/119:35 p.m. -

1 stop17h 00m

Thu 12/117:15 a.m. -

1 stop12h 45m

Deal found 6/10C$ 1,013

Thu 5/117:40 p.m. -

2 stops18h 55m

Wed 18/117:25 a.m. -

2 stops15h 50m

Deal found 6/10C$ 1,101

Thu 5/1110:20 p.m. -

1 stop13h 35m

Wed 18/119:15 a.m. -

1 stop11h 35m

Deal found 6/10C$ 1,128

Mon 12/1010:45 p.m. -

1 stop19h 35m

Mon 19/108:40 a.m. -

1 stop12h 20m

Deal found 5/10C$ 1,134

Thu 26/1110:20 p.m. -

1 stop10h 45m

Tue 1/1211:40 a.m. -

1 stop13h 35m

Deal found 8/10C$ 1,136

Wed 14/106:05 p.m. -

1 stop9h 45m

Wed 21/106:20 p.m. -

1 stop26h 45m

Deal found 7/10C$ 1,162

Tue 27/103:47 p.m. -

2 stops15h 03m

Wed 4/116:35 a.m. -

1 stop18h 40m

Deal found 5/10C$ 1,174

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 10 October 2026.

Tue 10/119:35 p.m. -

1 stop11h 55m

Fri 27/116:30 a.m. -

1 stop13h 30m

Deal found 7/10C$ 900

Thu 7/110:20 p.m. -

1 stop10h 45m

Sat 16/16:15 p.m. -

1 stop26h 40m

Deal found 7/10C$ 1,151

Thu 5/1110:20 p.m. -

1 stop17h 00m

Wed 18/1112:20 p.m. -

1 stop12h 55m

Deal found 6/10C$ 1,296

Tue 5/12:00 p.m. -

3 stops18h 10m

Thu 14/13:00 p.m. -

3 stops35h 50m

Deal found 9/10C$ 1,438

Mon 23/119:35 p.m. -

1 stop31h 30m

Mon 30/118:50 p.m. -

1 stop23h 10m

Deal found 9/10C$ 931

Thu 5/119:35 p.m. -

1 stop29h 05m

Thu 12/118:05 p.m. -

1 stop23h 55m

Deal found 6/10C$ 944

Thu 26/117:40 p.m. -

2 stops21h 15m

Tue 1/127:05 a.m. -

2 stops16h 10m

Deal found 8/10C$ 963

Thu 24/125:10 p.m. -

2 stops35h 00m

Sat 2/19:40 a.m. -

2 stops34h 20m

Deal found 8/10C$ 2,471

Tue 10/119:35 p.m. -

1 stop11h 00m

Fri 27/117:20 a.m. -

1 stop12h 40m

Deal found 7/10C$ 977

Wed 28/106:25 p.m. -

2 stops36h 30m

Wed 4/116:35 a.m. -

1 stop18h 40m

Deal found 6/10C$ 1,317

Thu 5/119:35 p.m. -

1 stop17h 00m

Thu 12/117:15 a.m. -

1 stop12h 45m

Deal found 8/10C$ 1,027

Thu 5/115:20 p.m. -

2 stops14h 50m

Thu 12/116:30 a.m. -

2 stops14h 20m

Deal found 8/10C$ 1,373

Sat 13/29:35 p.m. -

1 stop12h 10m

Sat 20/28:10 a.m. -

1 stop11h 50m

Deal found 5/10C$ 1,034

Sun 1/1110:20 p.m. -

1 stop13h 30m

Sun 8/115:35 p.m. -

1 stop27h 20m

Deal found 5/10C$ 1,487

Tue 23/310:35 p.m. -

1 stop18h 55m

Tue 6/48:55 p.m. -

1 stop24h 05m

Deal found 6/10C$ 1,077

Sat 13/29:35 p.m. -

1 stop12h 10m

Tue 23/27:00 a.m. -

1 stop13h 00m

Deal found 5/10C$ 1,101

Sat 13/29:35 p.m. -

1 stop12h 10m

Mon 22/26:30 a.m. -

1 stop13h 30m

Deal found 5/10C$ 1,134

Wed 10/29:35 p.m. -

1 stop17h 00m

Mon 22/26:30 a.m. -

1 stop13h 30m

Deal found 5/10C$ 1,144

Thu 26/1110:20 p.m. -

1 stop13h 35m

Tue 1/1210:00 a.m. -

2 stops18h 59m

Deal found 8/10C$ 1,179

Tue 27/103:47 p.m. -

2 stops15h 03m

Mon 2/117:40 p.m. -

1 stop25h 15m

Deal found 8/10C$ 1,195

Fri 20/1111:10 p.m. -

2 stops52h 00m

Fri 27/119:10 p.m. -

1 stop22h 50m

Deal found 6/10C$ 1,198

Tue 5/110:20 a.m. -

2 stops22h 15m

Thu 14/12:20 p.m. -

3 stops36h 55m

Deal found 9/10C$ 1,621

Thu 5/119:40 p.m. -

1 stop11h 25m

Thu 12/116:30 a.m. -

1 stop14h 50m

Deal found 8/10C$ 3,006

Find flight deals from Ontario to Northern Ireland

Round-trip from	C$ 900
One-way from	C$ 308

10/11-27/11
2 total stops
25h 25m total
Ontario to Northern Ireland

Search Deals

18/10-31/12
1 total stop
15h 10m total
Ontario to Northern Ireland

Search Deals

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

Cheapest round-trip

TorontoBelfast

YYZ Toronto Pearson Intl - BHD Belfast City

YYZBHD

Toronto Pearson Intl

Sun 18/10

10:15 p.m.-2:55 p.m.

1 stop11h 40m

Belfast City

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 350

TorontoBelfast

YYZ Toronto Pearson Intl - BFS Belfast Intl

YYZBFS

Toronto Pearson Intl

Sun 22/11

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

3 stops39h 25m

Belfast Intl

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 459

TorontoBelfast

YYZ Toronto Pearson Intl - BFS Belfast Intl

YYZBFS

Toronto Pearson Intl

Thu 15/10

11:55 p.m.-11:00 p.m.

3 stops18h 05m

Belfast Intl

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 486

TorontoBelfast

YYZ Toronto Pearson Intl - BFS Belfast Intl

YYZBFS

Toronto Pearson Intl

Mon 23/11

11:10 p.m.-8:05 a.m.

2 stops51h 55m

Belfast Intl

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 516

TorontoBelfast

YYZ Toronto Pearson Intl - BFS Belfast Intl

YYZBFS

Toronto Pearson Intl

Fri 20/11

11:10 p.m.-8:10 a.m.

2 stops52h 00m

Belfast Intl

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 516

TorontoBelfast

YYZ Toronto Pearson Intl - BHD Belfast City

YYZBHD

Toronto Pearson Intl

Sun 22/11

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

2 stops30h 00m

Belfast City

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 516

TorontoBelfast

YYZ Toronto Pearson Intl - BFS Belfast Intl

YYZBFS

Toronto Pearson Intl

Tue 24/11

9:35 p.m.-2:30 p.m.

1 stop11h 55m

Belfast Intl

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 526

TorontoBelfast

YYZ Toronto Pearson Intl - BFS Belfast Intl

YYZBFS

Toronto Pearson Intl

Mon 1/3

9:35 p.m.-10:05 a.m.

1 stop31h 30m

Belfast Intl

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 537

TorontoBelfast

YYZ Toronto Pearson Intl - BFS Belfast Intl

YYZBFS

Toronto Pearson Intl

Tue 20/10

11:50 p.m.-3:15 p.m.

1 stop10h 25m

Belfast Intl

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 567

TorontoBelfast

YYZ Toronto Pearson Intl - BFS Belfast Intl

YYZBFS

Toronto Pearson Intl

Thu 26/11

9:35 p.m.-7:40 a.m.

1 stop29h 05m

Belfast Intl

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 582

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 39 resultsSorted by cheapest first

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.

YYZ-BFS

YYZ-BHD

YOW-BHD

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

CAON-GBNIR

YYZ-BFS

YYZ-BHD

YOW-BHD

No data available for this route at this time. Please check back soon.

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

8,255 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Anonymous,Sep 2026

LUX - LHR

Cancelled flight extended my travel time by over 10 hours and no one was available to.assist with accommodation during a 15 hour layover.

British Airways

6.7

Okay

8,255 reviews

British Airways

6.7

Okay

8,255 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Anonymous,Sep 2026

LUX - LHR

Cancelled flight extended my travel time by over 10 hours and no one was available to.assist with accommodation during a 15 hour layover.

Related info for your journey

How long is the flight from Region of Ontario to Northern Ireland?
For as low as C$ 1,438, Aer Lingus can have you in Northern Ireland from Region of Ontario in 18h 10m. There are 4880 km between Region of Ontario and Northern Ireland.
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

Complete your trip

Direct flights to United Kingdom

Flights by cabin class

Other flight options

Popular flights

Return Flight Options

Top destinations

Alternative routes for Ontario to Northern Ireland

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Top airline flying from Ontario to Northern Ireland

Airline	Cheapest	Average	Flexibility	On-time
British Airways	CheapestC$ 1,076	AverageC$ 1,512	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.

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Cheap flights from Ontario to Northern Ireland from C$ 308

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 18/10. 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

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 10 October 2026.

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 10 October 2026.

Best flights from Ontario to Northern IrelandDiscover 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 10 October 2026.

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 10 October 2026.

Last-minute flights from Ontario to Northern IrelandDiscover last-minute flight deals from Ontario to Northern Ireland. Data last updated 10 October 2026 and is based on user searches.

Discover last-minute flight deals from Ontario to Northern Ireland. Data last updated 10 October 2026 and is based on user searches.

One-way flights from Ontario to Northern IrelandSearch for one-way flight options from Ontario to Northern Ireland. Find affordable one-way fares based on user searches. Data last updated 10 October 2026.

Search for one-way flight options from Ontario to Northern Ireland. Find affordable one-way fares based on user searches. Data last updated 10 October 2026.

Find flight deals from Ontario to Northern Ireland

Round-trip from

One-way from

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

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

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.

Complete your trip

Complete your trip to Northern Ireland by adding a car rental and/or hotel reservation to your travel itinerary.

Direct flights to United Kingdom

Book a non-stop flight to one of these other cities located in United Kingdom.

Search flights from Ontario to Northern Ireland by cabin class

Find flights from Ontario to Northern Ireland, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Ontario and Northern Ireland flights

Browse other Ontario and Northern Ireland flight options. Last updated on 10 October 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Find a return flight route from Northern Ireland

Find the right flight back to Ontario after your stay in Northern Ireland

Ontario to Northern Ireland flights

Consider these flights travelling from Ontario to Northern Ireland.

Top airline flying from Ontario to Northern Ireland

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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?

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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 10 October 2026.

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 10 October 2026.

Last-minute flights from Ontario to Northern Ireland
Discover last-minute flight deals from Ontario to Northern Ireland. Data last updated 10 October 2026 and is based on user searches.

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 10 October 2026.