How long is the flight from Northern Ireland to Ontario?

A quick flight from Northern Ireland to Ontario can take about 24h 42m. British Airways provides one of the quickest options available for as low as £586. Airlines will cover a distance of 5095 mi.

In terms of precipitation, rainfall in Ontario ranges from 3.0 - 86.0 inches per month. February is typically the wettest month, when rainfall can reach 86.0 mm. June is typically the driest time to visit Ontario when rainfall is around 3.0 mm.

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 26.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 12.0 C).

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

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

What airport do you fly into for flights to Ontario from Northern Ireland?

Ontario (ONT), located 3.1 mi from the city center, is the airport you fly into when you book flights from Northern Ireland to Ontario.

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.

£586+ 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 18 September 2026.

Mon 21/1211:40 -

2 stops18h 22m

Tue 5/114:22 -

2 stops18h 23m

Deal found 13/9£725

Thu 15/1009:50 -

2 stops20h 53m

Mon 19/1011:56 -

2 stops37h 24m

Deal found 16/9£865

Tue 20/1009:50 -

2 stops20h 53m

Fri 23/1017:03 -

2 stops15h 57m

Deal found 14/9£1,302

Tue 15/909:40 -

2 stops18h 27m

Wed 14/1012:43 -

2 stops16h 52m

Deal found 13/9£10,343

Find flight deals from Northern Ireland to Ontario

Round-trip from	£535

British Airways
19/1-9/2
4 total stops
34h 39m total
Northern Ireland to Ontario

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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

BelfastOntario

BHD Belfast City - ONT Ontario

BHDONT

Belfast City

Wed 27/1

06:35-23:17

2 stops24h 42m

Ontario

Sun 31/1

14:17-18:50

2 stops20h 33m

£586

BelfastOntario

BHD Belfast City - ONT Ontario

BHDONT

Belfast City

Thu 28/1

11:05-23:17

2 stops20h 12m

Ontario

Sun 31/1

10:40-18:50

2 stops24h 10m

£587

BelfastOntario

BHD Belfast City - ONT Ontario

BHDONT

Belfast City

Mon 21/12

11:40-22:02

2 stops18h 22m

Ontario

Tue 5/1

14:22-16:45

2 stops18h 23m

£725

BelfastOntario

BHD Belfast City - ONT Ontario

BHDONT

Belfast City

Thu 15/10

09:50-22:43

2 stops20h 53m

Ontario

Mon 19/10

11:56-09:20

2 stops37h 24m

£865

BelfastOntario

BHD Belfast City - ONT Ontario

BHDONT

Belfast City

Tue 20/10

09:50-22:43

2 stops20h 53m

Ontario

Fri 23/10

17:03-17:00

2 stops15h 57m

£1,302

Fastest return journey

BelfastOntario

BHD Belfast City - ONT Ontario

BHDONT

Belfast City

Wed 30/9

09:50-23:47

2 stops21h 57m

Ontario

Wed 31/12

00:00-09:00

Nonstop0h 00m

£4,783

BelfastOntario

BHD Belfast City - ONT Ontario

BHDONT

Belfast City

Sat 26/9

16:15-22:43

2 stops38h 28m

Ontario

Wed 31/12

00:00-09:00

Nonstop0h 00m

£9,608

Flights are sorted by cheapest return flights first.

Deals found on 13/9

Sorted 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.

BHD-ONT

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-ONT

BHD-ONT

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

Related info for your journey

What airport do you fly into for flights to Ontario from Northern Ireland?
Ontario (ONT), located 3.1 mi from the city center, is the airport you fly into when you book flights from Northern Ireland to Ontario.
How long is the flight from Northern Ireland to Ontario?
A quick flight from Northern Ireland to Ontario can take about 24h 42m. British Airways provides one of the quickest options available for as low as £586. Airlines will cover a distance of 5095 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

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

When you search for this flight from Northern Ireland to Ontario, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Northern Ireland to Ontario.

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from Northern Ireland to Ontario, users can toggle the no change fees filter when performing a flight search.

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

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

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Cheap flights from Northern Ireland to Ontario from £586

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 27/1. 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 18 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 18 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 18 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 18 September 2026.

Last-minute flights from Northern Ireland to OntarioDiscover last-minute flight deals from Northern Ireland to Ontario. Data last updated 18 September 2026 and is based on user searches.

Discover last-minute flight deals from Northern Ireland to Ontario. Data last updated 18 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 18 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 18 September 2026.

Find flight deals from Northern Ireland to Ontario

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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

Related info for your journey

What airport do you fly into for flights to Ontario from Northern Ireland?

How long is the flight from Northern Ireland to 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.

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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.

Other flights to Ontario

Explore flights to Ontario departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 18 September 2026.

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Browse other Northern Ireland and Ontario flight options. Last updated on 18 September 2026.

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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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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 18 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 18 September 2026.

Last-minute flights from Northern Ireland to Ontario
Discover last-minute flight deals from Northern Ireland to Ontario. Data last updated 18 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 18 September 2026.