Question 1

How long is the flight from Ontario to Northern Ireland?

Accepted Answer

A quick flight from Ontario to Northern Ireland can take about 16h 15m. British Airways provides one of the quickest options available for as low as £2,201. There are 5095 mi between Ontario and Northern Ireland. This flight may include one or multiple stops.

Question 2

What are the cheapest airlines to fly from Ontario to Northern Ireland one-way?

Accepted Answer

For one-way options, check prices for Delta. According to our data, you can fly for as low as £455. Users have also found prices from £471 and £6,152 on Iberia and KLM, respectively.

Question 3

What is the cheapest month to book a flight from Ontario to Northern Ireland?

Accepted Answer

Currently, January is the cheapest month in which you can book a flight from Ontario to Northern Ireland (average of £67). Flying from Ontario to Northern Ireland in July is currently the most expensive (average of £90). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Question 4

E

Accepted Answer

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.

Question 5

E

Accepted Answer

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).

Question 6

What is the cheapest month to fly from Ontario to Northern Ireland?

Accepted Answer

Due to multiple factors, expect to potentially pay more when booking in June. For low rates, September can be a great choice for travel to Northern Ireland. Flights to Northern Ireland from Ontario in September are about £662 on average during September, but can be found for as low as £506.

Question 7

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

Accepted Answer

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

Question 8

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

Accepted Answer

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

Question 9

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

Accepted Answer

Yes. In addition to deals on Ontario to Northern Ireland flights, Cheapflights offers holiday packages that include both flights and hotel.

Question 10

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

Accepted Answer

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.

Question 11

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

Accepted Answer

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.

Question 12

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

Accepted Answer

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.

Question 13

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

Accepted Answer

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 Ontario to Northern Ireland.

Question 14

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

Accepted Answer

Users can book flights with no change fees policies with our dedicated filters. Book flights from Ontario to Northern Ireland flexibly with Cheapflights today.

Question 15

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

Accepted Answer

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.

Round-trip from	£610
One-way from	£455
Popular in	June
Cheapest in	September
Average price	£574

Cheap flights from Ontario to Northern Ireland from £455

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 5/9. 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 21 August 2025.

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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 21 August 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 21 August 2025.

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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.

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Everything you need to know about your flight from Ontario to Northern Ireland

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.

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

How long is the flight from Ontario to Northern Ireland?

What are the cheapest airlines to fly from Ontario to Northern Ireland one-way?

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?

What is the cheapest month to book a flight from Ontario to Northern Ireland?

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Alternative routes for 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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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 21 August 2025.