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Cheap flights from Northern Ireland to Ontario from £1,262

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 15/6. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — ONT
3 Apr — 10 Apr1
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 29 March 2025.

Popular in

August

Cheapest in

January

Average price

£545
Highest demand for flights based on searches. 16% potential increase in price (£98 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (£32 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2025
Search Deals

Find flight deals from Northern Ireland to Ontario

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 29 March 2025.

Sun 15/606:30BHD - ONT
2 stops17h 58mKLM
Deal found 29/3£1,262
Mon 16/606:40BHD - ONT
2 stops20h 21mIberia
Deal found 29/3£1,333
Wed 24/906:50BHD - ONT
2 stops18h 50mBritish Airways
Deal found 28/3£1,928

Cheapflights Fare Finder

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 29 March 2025.
Use the filters below to find and compare flights from Northern Ireland to Ontario that are best for you.

Fly from

Northern Ireland

Fly to

Ontario

Route

Depart

Return

Price

BelfastOntario

BHD - ONT

BHDONT

Belfast City

Sun 15/6

06:30-16:28

2 stops17h 58m

£1,262

BelfastOntario

BHD - ONT

BHDONT

Belfast City

Mon 16/6

06:40-19:01

2 stops20h 21m

£1,333

BelfastOntario

BHD - ONT

BHDONT

Belfast City

Wed 24/9

06:50-17:40

2 stops18h 50m

£1,928

Flights are sorted by cheapest return flights first.

Deals found on 29/3

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.

Cheapflights Insights

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

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 29 March 2025.
KLM
7.8
Good
1,321 reviews
Check prices

Boarding

7.8

Crew

8.4

Food

7.3

Comfort

7.7

Overall

7.8

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
KLM
7.8
Good
1,321 reviews
KLM
7.8
Good
1,321 reviews
Check prices

Boarding

7.8

Crew

8.4

Food

7.3

Comfort

7.7

Overall

7.8

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
Iberia
7.0
Good
2,651 reviews
KLM
7.8
Good
1,321 reviews
Check prices

Boarding

7.8

Crew

8.4

Food

7.3

Comfort

7.7

Overall

7.8

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
British Airways
6.6
Okay
6,713 reviews
KLM
7.8
Good
1,321 reviews
Check prices

Boarding

7.8

Crew

8.4

Food

7.3

Comfort

7.7

Overall

7.8

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.

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?

    £1,262 is the cheapest one-way deal found within the past few days, from KLM. You may also be able to find cheap deals on Iberia and British Airways, with prices starting from £1,333 and £1,928, 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

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

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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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