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

Departing from Northern Ireland to Region of Ontario will take you 18h 05m. The distance between Northern Ireland and Region of Ontario is about 3254 mi.

In terms of precipitation, rainfall in Region of Ontario ranges from 51.0 - 83.0 inches per month. June is typically the wettest month, when rainfall can reach 83.0 mm. February is typically the driest time to visit Region of Ontario when rainfall is around 51.0 mm.

If weather is an important factor for your trip to Region of Ontario, 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 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -6.0 C).

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

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

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 holiday 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.

£266+ Cheap Flights from Northern Ireland to Ontario

Cheap flight deals from Northern Ireland to Ontario

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

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 23 September 2026.

Mon 9/1107:20 -

1 stop12h 40m

Mon 16/1121:35 -

1 stop11h 00m

Deal found 19/9£411

Mon 9/1108:30 -

1 stop11h 30m

Mon 16/1121:35 -

1 stop31h 30m

Deal found 19/9£414

Wed 4/1106:25 -

1 stop13h 35m

Wed 11/1121:35 -

1 stop11h 15m

Deal found 20/9£418

Thu 5/1110:15 -

2 stops35h 00m

Thu 12/1120:25 -

2 stops20h 30m

Deal found 21/9£420

Sat 7/1117:50 -

1 stop26h 10m

Sat 14/1121:35 -

1 stop12h 10m

Deal found 23/9£421

Tue 3/1117:40 -

1 stop26h 20m

Tue 10/1121:35 -

1 stop18h 55m

Deal found 19/9£425

Wed 21/1007:00 -

2 stops17h 30m

Wed 28/1006:15 -

2 stops22h 05m

Deal found 21/9£435

Thu 29/1006:20 -

2 stops19h 15m

Tue 3/1116:35 -

2 stops19h 45m

Deal found 23/9£463

Wed 21/1007:00 -

2 stops30h 13m

Wed 28/1022:35 -

1 stop16h 25m

Deal found 21/9£492

Thu 29/1014:10 -

1 stop11h 05m

Tue 3/1122:20 -

1 stop11h 30m

Deal found 23/9£498

Sat 10/1007:05 -

1 stop18h 05m

Wed 14/1018:05 -

1 stop14h 30m

Deal found 21/9£500

Sat 10/1007:00 -

2 stops20h 23m

Wed 14/1018:35 -

1 stop15h 20m

Deal found 21/9£516

Best flights from Northern Ireland to Ontario
Discover carefully curated flight deals from Northern Ireland to Ontario that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 23 September 2026.

Mon 9/1107:20 -

1 stop12h 40m

Mon 16/1121:35 -

1 stop11h 00m

Deal found 19/9£411

Thu 29/1014:10 -

1 stop11h 05m

Tue 3/1122:20 -

1 stop11h 30m

Deal found 23/9£498

Mon 9/1108:30 -

1 stop11h 30m

Mon 16/1121:35 -

1 stop31h 30m

Deal found 19/9£414

Wed 4/1106:25 -

1 stop13h 35m

Wed 11/1121:35 -

1 stop11h 15m

Deal found 20/9£418

Thu 5/1110:15 -

2 stops35h 00m

Thu 12/1120:25 -

2 stops20h 30m

Deal found 21/9£420

Mon 9/1106:35 -

2 stops14h 15m

Mon 16/1122:20 -

1 stop12h 45m

Deal found 19/9£541

Sat 7/1117:50 -

1 stop26h 10m

Sat 14/1121:35 -

1 stop12h 10m

Deal found 23/9£421

Tue 3/1117:40 -

1 stop26h 20m

Tue 10/1121:35 -

1 stop18h 55m

Deal found 19/9£425

Thu 15/1012:50 -

2 stops32h 00m

Mon 19/1022:00 -

1 stop12h 30m

Deal found 19/9£568

Wed 21/1007:00 -

2 stops17h 30m

Wed 28/1006:15 -

2 stops22h 05m

Deal found 21/9£435

Sat 13/307:00 -

2 stops13h 50m

Tue 23/323:20 -

2 stops14h 20m

Deal found 22/9£639

Thu 29/1006:20 -

2 stops19h 15m

Tue 3/1116:35 -

2 stops19h 45m

Deal found 23/9£463

Wed 21/1007:00 -

2 stops30h 13m

Wed 28/1022:35 -

1 stop16h 25m

Deal found 21/9£492

Sat 10/1007:00 -

2 stops20h 23m

Wed 14/1018:35 -

1 stop15h 20m

Deal found 21/9£516

Thu 29/1006:30 -

1 stop18h 45m

Tue 3/1115:15 -

2 stops15h 15m

Deal found 23/9£542

Sat 13/306:35 -

1 stop14h 20m

Tue 23/316:44 -

2 stops14h 46m

Deal found 22/9£553

Find flight deals from Northern Ireland to Ontario

Round-trip from	£411
One-way from	£266

9/11-16/11
2 total stops
23h 40m total
Northern Ireland to Ontario

Search Deals

6/12-31/12
3 total stops
43h 20m total
Northern Ireland to Ontario

Search Deals

Cheapflights Fare Finder

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 return flight

BelfastToronto

BFS Belfast Intl - YYZ Toronto Pearson Intl

BFSYYZ

Belfast Intl

Sun 6/12

06:55-21:15

3 stops43h 20m

Toronto Pearson Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£266

BelfastToronto

BHD Belfast City - YYZ Toronto Pearson Intl

BHDYYZ

Belfast City

Sun 6/12

19:45-15:20

3 stops48h 35m

Toronto Pearson Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£300

BelfastToronto

BFS Belfast Intl - YYZ Toronto Pearson Intl

BFSYYZ

Belfast Intl

Sun 18/10

12:20-11:00

2 stops51h 40m

Toronto Pearson Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£337

BelfastToronto

BHD Belfast City - YYZ Toronto Pearson Intl

BHDYYZ

Belfast City

Sun 18/10

07:00-11:00

2 stops57h 00m

Toronto Pearson Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£352

Fastest return journey

BelfastToronto

BHD Belfast City - YYZ Toronto Pearson Intl

BHDYYZ

Belfast City

Sun 6/12

06:30-20:15

1 stop18h 45m

Toronto Pearson Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£409

BelfastToronto

BHD Belfast City - YYZ Toronto Pearson Intl

BHDYYZ

Belfast City

Mon 9/11

07:20-15:00

1 stop12h 40m

Toronto Pearson Intl

Mon 16/11

21:35-13:35

1 stop11h 00m

£411

BelfastToronto

BFS Belfast Intl - YYZ Toronto Pearson Intl

BFSYYZ

Belfast Intl

Mon 9/11

08:30-15:00

1 stop11h 30m

Toronto Pearson Intl

Mon 16/11

21:35-10:05

1 stop31h 30m

£414

BelfastToronto

BFS Belfast Intl - YYZ Toronto Pearson Intl

BFSYYZ

Belfast Intl

Wed 4/11

06:25-15:00

1 stop13h 35m

Toronto Pearson Intl

Wed 11/11

21:35-13:50

1 stop11h 15m

£418

BelfastToronto

BFS Belfast Intl - YYZ Toronto Pearson Intl

BFSYYZ

Belfast Intl

Thu 5/11

10:15-16:15

2 stops35h 00m

Toronto Pearson Intl

Thu 12/11

20:25-21:55

2 stops20h 30m

£420

BelfastToronto

BFS Belfast Intl - YYZ Toronto Pearson Intl

BFSYYZ

Belfast Intl

Sat 7/11

17:50-15:00

1 stop26h 10m

Toronto Pearson Intl

Sat 14/11

21:35-14:45

1 stop12h 10m

£421

Flights are sorted by cheapest return flights first.

Deals found on 23/9

Showing 1-10 of 21 resultsSorted by cheapest first

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.

BFS-YYZ

BHD-YYZ

BFS-YTZ

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 Northern Ireland to Ontario

GBNIR-CAON

BFS-YYZ

BHD-YYZ

BFS-YTZ

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

Reviews of airlines servicing Ontario

Get a feel of what it's like to fly with British Airways from Northern Ireland to Ontario by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

British Airways

6.7

Okay

8,227 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Jim,Sept 2026

LHR - FLR

The check-in and customer service were excellent as usual!

British Airways

6.7

Okay

8,227 reviews

British Airways

6.7

Okay

8,227 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Jim,Sept 2026

LHR - FLR

The check-in and customer service were excellent as usual!

Related info for your journey

How long is the flight from Northern Ireland to Region of Ontario?
Departing from Northern Ireland to Region of Ontario will take you 18h 05m. The distance between Northern Ireland and Region of Ontario is about 3254 mi.
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 holiday 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

Browse thousands of different options on Cheapflights for your next trip

Alternative routes

Complete your trip

Direct flights to Canada

Flights by cabin class

Other flight options

Popular flights

Return Flight Options

Top destinations

Alternative routes for Northern Ireland to Ontario

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Birmingham to Toronto Island flights

Heathrow to Edmonton flights

Birmingham to Pearson Intl flights

Heathrow to St. John's flights

Manchester to Calgary flights

Belfast Intl to Vancouver Intl flights

Edinburgh to Abbotsford flights

Gatwick to Edmonton flights

Gatwick to St. John's flights

Edinburgh to Pierre Elliott Trudeau Intl flights

Heathrow to Québec City flights

Top airline flying from Northern Ireland to Ontario

Airline	Cheapest	Average	Flexibility	On-time
British Airways	Cheapest£326	Average£577	FlexibilityNo cancel fee	On-time70%	Search British Airways flights

Fly with Cheapflights

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

Deals for Northern Ireland to Ontario 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 Northern Ireland to Ontario?

Cheapflights simply makes it quick and affordable to book flights from Northern Ireland to Ontario by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Need flexible booking options for your flight to Ontario from Northern Ireland? 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 Northern Ireland to Ontario become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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Cheap flights from Northern Ireland to Ontario from £266

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/12. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Northern Ireland to Ontario

Cheapest flights from Northern Ireland to OntarioExplore 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 23 September 2026.

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 23 September 2026.

Best flights from Northern Ireland to OntarioDiscover carefully curated flight deals from Northern Ireland to Ontario that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 23 September 2026.

Discover carefully curated flight deals from Northern Ireland to Ontario that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 23 September 2026.

Last-minute flights from Northern Ireland to OntarioDiscover last-minute flight deals from Northern Ireland to Ontario. Data last updated 23 September 2026 and is based on user searches.

Discover last-minute flight deals from Northern Ireland to Ontario. Data last updated 23 September 2026 and is based on user searches.

One-way flights from Northern Ireland to OntarioSearch for one-way flight options from Northern Ireland to Ontario. Find affordable one-way fares based on user searches. Data last updated 23 September 2026.

Search for one-way flight options from Northern Ireland to Ontario. Find affordable one-way fares based on user searches. Data last updated 23 September 2026.

Find flight deals from Northern Ireland to Ontario

Round-trip from

One-way from

Cheapflights Fare Finder

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

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.

Cheapflights Insights

Reviews of airlines servicing Ontario

Get a feel of what it's like to fly with British Airways from Northern Ireland to Ontario by reading reviews from past customers. 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 Northern Ireland to Region of Ontario?

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

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

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

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 Northern Ireland to Ontario

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

Complete your trip

Complete your trip to Ontario by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to Canada

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

Search flights from Northern Ireland to Ontario by cabin class

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

Northern Ireland and Ontario flights

Browse other Northern Ireland and Ontario flight options. Last updated on 23 September 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Find a return flight route from Ontario

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

Northern Ireland to Ontario flights

Consider these flights travelling from Northern Ireland to Ontario.

Top airline flying from Northern Ireland to Ontario

Fly with Cheapflights

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

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

Can Cheapflights 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?

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Travel Smart

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 23 September 2026.

Best flights from Northern Ireland to Ontario
Discover carefully curated flight deals from Northern Ireland to Ontario that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 23 September 2026.

Last-minute flights from Northern Ireland to Ontario
Discover last-minute flight deals from Northern Ireland to Ontario. Data last updated 23 September 2026 and is based on user searches.

One-way flights from Northern Ireland to Ontario
Search for one-way flight options from Northern Ireland to Ontario. Find affordable one-way fares based on user searches. Data last updated 23 September 2026.