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

For as low as £609, British Airways can have you in Northern Ireland from Region of Ontario in 10h 35m. The distance between Region of Ontario and Northern Ireland is about 3254 mi. 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 inches 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?

When flying from Region of Ontario to Northern Ireland, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 holiday 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.

£159+ 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 19 September 2026.

Thu 15/1023:55 -

2 stops40h 20m

Thu 22/1006:40 -

1 stop12h 30m

Deal found 15/9£444

Thu 5/1121:35 -

1 stop29h 05m

Thu 12/1120:05 -

1 stop23h 55m

Deal found 15/9£458

Thu 5/1121:35 -

1 stop17h 00m

Thu 12/1115:15 -

1 stop28h 45m

Deal found 15/9£462

Thu 15/1016:00 -

2 stops23h 35m

Thu 22/1020:10 -

1 stop21h 30m

Deal found 15/9£465

Thu 15/1010:00 -

2 stops27h 50m

Thu 22/1020:40 -

1 stop21h 00m

Deal found 15/9£474

Sun 18/1022:15 -

1 stop11h 40m

Wed 21/1007:00 -

1 stop13h 40m

Deal found 17/9£474

Sun 18/1022:15 -

1 stop9h 50m

Wed 21/1005:55 -

1 stop14h 45m

Deal found 17/9£477

Wed 14/1022:15 -

1 stop11h 45m

Wed 21/1007:00 -

1 stop13h 40m

Deal found 16/9£482

Wed 14/1022:15 -

1 stop11h 45m

Wed 21/1008:15 -

1 stop12h 25m

Deal found 17/9£484

Tue 13/1023:55 -

2 stops11h 30m

Tue 20/1021:05 -

1 stop23h 35m

Deal found 15/9£497

Tue 13/1023:55 -

2 stops11h 05m

Tue 20/1010:20 -

1 stop34h 20m

Deal found 15/9£502

Sat 17/1023:55 -

2 stops42h 40m

Sat 24/1022:25 -

1 stop19h 25m

Deal found 17/9£507

Best flights from Ontario to Northern Ireland
Discover carefully curated flight deals from Ontario to Northern Ireland that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 19 September 2026.

Thu 15/1023:55 -

2 stops40h 20m

Thu 22/1006:40 -

1 stop12h 30m

Deal found 15/9£444

Tue 20/1022:00 -

1 stop12h 20m

Sun 25/1017:35 -

1 stop30h 40m

Deal found 18/9£571

Thu 5/1121:35 -

1 stop29h 05m

Thu 12/1120:05 -

1 stop23h 55m

Deal found 15/9£458

Thu 5/1121:35 -

1 stop17h 00m

Thu 12/1115:15 -

1 stop28h 45m

Deal found 15/9£462

Thu 15/1016:00 -

2 stops23h 35m

Thu 22/1020:10 -

1 stop21h 30m

Deal found 15/9£465

Wed 14/1022:00 -

1 stop10h 35m

Sun 25/1017:05 -

1 stop31h 10m

Deal found 17/9£574

Thu 15/1010:00 -

2 stops27h 50m

Thu 22/1020:40 -

1 stop21h 00m

Deal found 15/9£474

Mon 19/1022:00 -

1 stop9h 55m

Sun 25/1020:30 -

1 stop27h 45m

Deal found 16/9£587

Sat 13/321:05 -

1 stop12h 10m

Thu 18/306:30 -

1 stop17h 45m

Deal found 14/9£587

Sun 18/1022:15 -

1 stop15h 10m

Sun 25/1008:50 -

2 stops16h 00m

Deal found 18/9£486

Sun 18/1022:00 -

1 stop17h 35m

Sun 25/1017:05 -

1 stop31h 10m

Deal found 16/9£595

Wed 14/1022:15 -

1 stop11h 45m

Wed 21/1008:15 -

1 stop12h 25m

Deal found 18/9£501

Sat 17/1022:00 -

1 stop9h 25m

Sun 25/1020:30 -

1 stop27h 45m

Deal found 16/9£598

Wed 10/221:35 -

1 stop17h 00m

Thu 18/206:30 -

1 stop13h 30m

Deal found 14/9£510

Fri 12/321:05 -

1 stop12h 00m

Mon 22/319:40 -

1 stop28h 35m

Deal found 14/9£599

Wed 14/1018:05 -

1 stop9h 45m

Tue 27/1018:15 -

1 stop31h 00m

Deal found 17/9£601

Sat 17/1022:45 -

1 stop28h 00m

Sat 24/1022:25 -

1 stop19h 25m

Deal found 17/9£548

Wed 30/919:15 -

1 stop15h 40m

Mon 5/1019:35 -

1 stop25h 05m

Deal found 15/9£552

Fri 16/1018:05 -

1 stop9h 45m

Tue 27/1016:55 -

1 stop32h 20m

Deal found 16/9£618

Thu 21/121:35 -

1 stop17h 55m

Mon 25/106:30 -

1 stop13h 30m

Deal found 17/9£553

Tue 20/1018:05 -

1 stop9h 55m

Tue 27/1019:30 -

1 stop29h 45m

Deal found 16/9£618

Sat 13/318:05 -

1 stop12h 05m

Mon 22/308:35 -

1 stop16h 40m

Deal found 14/9£619

Sat 17/1023:45 -

1 stop27h 55m

Sat 24/1022:25 -

2 stops27h 15m

Deal found 16/9£570

Sat 13/322:20 -

1 stop10h 55m

Thu 18/314:10 -

1 stop11h 05m

Deal found 14/9£619

Wed 30/912:30 -

2 stops21h 45m

Mon 5/1007:00 -

2 stops17h 50m

Deal found 14/9£585

Fri 12/322:25 -

1 stop10h 40m

Fri 19/308:35 -

1 stop12h 20m

Deal found 14/9£619

Sun 18/1023:50 -

1 stop9h 00m

Fri 23/1009:55 -

1 stop11h 05m

Deal found 15/9£586

Wed 14/1018:05 -

1 stop12h 55m

Thu 22/1014:20 -

1 stop10h 50m

Deal found 17/9£621

Sat 13/221:35 -

1 stop12h 10m

Thu 18/206:30 -

1 stop13h 30m

Deal found 14/9£597

Fri 16/1018:05 -

1 stop9h 45m

Thu 22/1006:30 -

1 stop18h 40m

Deal found 17/9£621

Find flight deals from Ontario to Northern Ireland

Round-trip from	£444
One-way from	£159

15/10-22/10
3 total stops
52h 50m total
Ontario to Northern Ireland

Search Deals

3/10-31/12
2 total stops
37h 30m 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 return flight

TorontoBelfast

YYZ Toronto Pearson Intl - BFS Belfast Intl

YYZBFS

Toronto Pearson Intl

Sat 10/10

23:55-21:30

2 stops40h 35m

Belfast Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£159

TorontoBelfast

YYZ Toronto Pearson Intl - BFS Belfast Intl

YYZBFS

Toronto Pearson Intl

Sat 3/10

23:55-18:25

2 stops37h 30m

Belfast Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£159

TorontoBelfast

YYZ Toronto Pearson Intl - BFS Belfast Intl

YYZBFS

Toronto Pearson Intl

Wed 30/9

19:15-20:15

2 stops20h 00m

Belfast Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£233

TorontoBelfast

YTZ Toronto Island - BFS Belfast Intl

YTZBFS

Toronto Island

Wed 7/10

09:55-07:55

3 stops41h 00m

Belfast Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£236

TorontoBelfast

YYZ Toronto Pearson Intl - BFS Belfast Intl

YYZBFS

Toronto Pearson Intl

Mon 2/11

22:45-10:05

2 stops30h 20m

Belfast Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£262

TorontoBelfast

YTZ Toronto Island - BFS Belfast Intl

YTZBFS

Toronto Island

Wed 30/9

10:00-08:40

3 stops41h 40m

Belfast Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£271

TorontoBelfast

YTZ Toronto Island - BFS Belfast Intl

YTZBFS

Toronto Island

Mon 2/11

17:50-07:50

3 stops33h 00m

Belfast Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£274

TorontoBelfast

YTZ Toronto Island - BFS Belfast Intl

YTZBFS

Toronto Island

Sat 10/10

18:10-18:25

3 stops43h 15m

Belfast Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£298

OttawaBelfast

YOW Ottawa - BFS Belfast Intl

YOWBFS

Ottawa

Mon 2/11

06:10-07:50

3 stops44h 40m

Belfast Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£300

MontrealBelfast

YUL Montreal Pierre Elliott Trudeau Intl - BFS Belfast Intl

YULBFS

Montreal Pierre Elliott Trudeau Intl

Thu 29/10

14:15-11:40

3 stops41h 25m

Belfast Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£304

Flights are sorted by cheapest return flights first.

Deals found on 16/9

Showing 1-10 of 48 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

YTZ-BFS

YYZ-BHD

YOW-BFS

YUL-BFS

Estimated return 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

YTZ-BFS

YYZ-BHD

YOW-BFS

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

Related info for your journey

How long is the flight from Region of Ontario to Northern Ireland?
For as low as £609, British Airways can have you in Northern Ireland from Region of Ontario in 10h 35m. The distance between Region of Ontario and Northern Ireland is about 3254 mi. 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 holiday 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

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Popular flights

Return Flight Options

Top destinations

Alternative routes for Ontario to Northern Ireland

Pearson Intl to Heathrow flights

Pearson Intl to Gatwick flights

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Pierre Elliott Trudeau Intl to Stansted flights

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Pearson Intl to Edinburgh flights

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Calgary to Gatwick flights

Ottawa to Heathrow flights

Calgary to London City flights

Calgary to Stansted flights

Ottawa to Gatwick flights

Halifax to Gatwick flights

Pierre Elliott Trudeau Intl to Edinburgh flights

Edmonton to Gatwick flights

Edmonton to Heathrow flights

Pearson Intl to Glasgow Intl flights

Winnipeg to Gatwick flights

Winnipeg to Heathrow flights

Vancouver Intl to Manchester flights

Pearson Intl to Birmingham flights

Ottawa to Stansted flights

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

Cheapflights makes it easy to find Ontario to Northern Ireland flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Ontario to Northern Ireland for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Ontario to Northern Ireland with no change fees?

Need flexible booking options for your flight to Northern Ireland from Ontario? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Not ready to book yet? You can track prices for flights from Ontario to Northern Ireland on Cheapflights with our Price Alert feature and get notified when better prices are available.

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Cheap flights from Ontario to Northern Ireland from £159

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/10. 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 19 September 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 19 September 2026.

Best flights from Ontario to Northern IrelandDiscover carefully curated flight deals from Ontario to Northern Ireland that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 19 September 2026.

Discover carefully curated flight deals from Ontario to Northern Ireland that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 19 September 2026.

Last-minute flights from Ontario to Northern IrelandDiscover last-minute flight deals from Ontario to Northern Ireland. Data last updated 19 September 2026 and is based on user searches.

Discover last-minute flight deals from Ontario to Northern Ireland. Data last updated 19 September 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 19 September 2026.

Search for one-way flight options from Ontario to Northern Ireland. Find affordable one-way fares based on user searches. Data last updated 19 September 2026.

Find flight deals from Ontario to Northern Ireland

Round-trip from

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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

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 hire and/or hotel booking 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 19 September 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.

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

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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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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 19 September 2026.

Best flights from Ontario to Northern Ireland
Discover carefully curated flight deals from Ontario to Northern Ireland that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 19 September 2026.

Last-minute flights from Ontario to Northern Ireland
Discover last-minute flight deals from Ontario to Northern Ireland. Data last updated 19 September 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 19 September 2026.