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Cheap flights from Northern Ireland to Ontario from £506

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/5. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — ONT
26 Feb — 5 Mar1
1 adult

Cheap flight deals from Northern Ireland to Ontario

Keep the following information in mind while searching for Northern Ireland to Ontario flight deals. Data was last updated 21 February 2025.

Round-trip from

£506

Popular in

August

Cheapest in

January

Average price

£861
American Airlines
  • American Airlines
  • 1/5-9/5
  • 4 total stops
  • 46h 53m total
  • Northern Ireland to Ontario
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (£114 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (£36 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2025
Search Deals

Find flight deals from Northern Ireland to Ontario

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 21 February 2025.

Thu 1/506:35BHD - ONT
2 stops23h 23mAmerican Airlines
Fri 9/513:15ONT - BHD
2 stops23h 30mAmerican Airlines
Deal found 20/2£506

Find flights from Northern Ireland to Ontario within your budget

Customise your flight search to find flights from Northern Ireland to Ontario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 21 February 2025.

Fly from

Northern Ireland

Fly to

Ontario

Route

Depart

Return

Price

BelfastOntario

BHD - ONT

BHDONT

Belfast City

Thu 1/5

06:35-21:58

2 stops23h 23m

Ontario

Fri 9/5

13:15-20:45

2 stops23h 30m

£506

BelfastOntario

BHD - ONT

BHDONT

Belfast City

Fri 23/5

06:30-16:19

2 stops17h 49m

£1,267

BelfastOntario

BHD - ONT

BHDONT

Belfast City

Fri 25/4

11:55-22:10

2 stops18h 15m

£1,287

BelfastOntario

BHD - ONT

BHDONT

Belfast City

Fri 23/5

06:35-23:44

2 stops25h 09m

£3,017

Flights are sorted by cheapest return flights first.

Deals found on 20/2

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.
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.

Travel insights for flights from Northern Ireland to Ontario

Get recent, data-driven insights about flights from Northern Ireland to Ontario including ideal travel times, pricing trends, and more.

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

Currently, March is the cheapest month in which you can book a flight from Northern Ireland to Ontario (average of £516). Flying from Northern Ireland to Ontario in August is currently the most expensive (average of £827). 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.

Rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average rainfall totals by month.

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.

Temperature in Ontario by month

Plan your trip to Ontario by taking into account the average temperature totals by month.

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).

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated 21 February 2025.
KLM
7.8
Good
1,331 reviews
Check prices

Crew

8.4

Comfort

7.7

Entertainment

7.2

Overall

7.8

Boarding

7.8

Food

7.3

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

KLM
7.8
Good
1,331 reviews
KLM
7.8
Good
1,331 reviews
Check prices

Crew

8.4

Comfort

7.7

Entertainment

7.2

Overall

7.8

Boarding

7.8

Food

7.3

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

American Airlines
7.2
Good
10,000 reviews
KLM
7.8
Good
1,331 reviews
Check prices

Crew

8.4

Comfort

7.7

Entertainment

7.2

Overall

7.8

Boarding

7.8

Food

7.3

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

Iberia
7.0
Good
2,639 reviews
KLM
7.8
Good
1,331 reviews
Check prices

Crew

8.4

Comfort

7.7

Entertainment

7.2

Overall

7.8

Boarding

7.8

Food

7.3

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

British Airways
6.6
Okay
6,762 reviews
KLM
7.8
Good
1,331 reviews
Check prices

Crew

8.4

Comfort

7.7

Entertainment

7.2

Overall

7.8

Boarding

7.8

Food

7.3

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

Related info for your journey

Find useful and relevant information for your journey from Northern Ireland to Ontario. 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 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.

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

    £1,267 is the cheapest one-way deal found within the past few days, from KLM. You may also be able to find cheap deals on British Airways and Iberia, with prices starting from £1,287 and £3,017, respectively.

  • 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.

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

    Currently, March is the cheapest month in which you can book a flight from Northern Ireland to Ontario (average of £516). Flying from Northern Ireland to Ontario in August is currently the most expensive (average of £827). 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.

See more FAQs

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Alternative routes for Northern Ireland to Ontario

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Fly with Cheapflights

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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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