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Cheap flights from Northern Ireland to Ontario from £395

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 15/9. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — YYZ
3 Sep — 10 Sep1
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 August 2025.

Round-trip from

£395

Popular in

August

Cheapest in

May

Average price

£810
15/9-21/9
  • 15/9-21/9
  • 3 total stops
  • 43h 15m total
  • Northern Ireland to Ontario
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (£69 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£20 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 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 29 August 2025.

Mon 15/912:35BFS - YYZ
2 stops30h 35mMultiple Airlines
Sun 21/922:15YYZ - BFS
1 stop12h 40mMultiple Airlines
Deal found 27/8£395
Tue 16/915:45BFS - YYZ
3 stops47h 14mMultiple Airlines
Sat 20/922:15YYZ - BFS
1 stop19h 15mMultiple Airlines
Deal found 27/8£397
Tue 16/905:55BFS - YYZ
2 stops13h 15mMultiple Airlines
Sun 21/922:15YYZ - BFS
1 stop12h 40mMultiple Airlines
Deal found 27/8£399
Mon 15/912:35BFS - YYZ
2 stops30h 35mMultiple Airlines
Sat 20/922:15YYZ - BFS
1 stop19h 15mMultiple Airlines
Deal found 27/8£400
Wed 17/920:30BFS - YYZ
2 stops24h 20mMultiple Airlines
Sun 21/922:15YYZ - BFS
1 stop12h 40mMultiple Airlines
Deal found 27/8£434
Sun 14/922:55BFS - YYZ
2 stops21h 55mMultiple Airlines
Sun 21/922:15YYZ - BFS
1 stop12h 40mMultiple Airlines
Deal found 27/8£436
Wed 17/906:00BFS - YYZ
2 stops14h 50mMultiple Airlines
Sat 20/922:15YYZ - BFS
1 stop19h 15mMultiple Airlines
Deal found 27/8£439
Thu 18/906:00BFS - YYZ
2 stops14h 50mMultiple Airlines
Sun 21/922:15YYZ - BFS
1 stop12h 40mMultiple Airlines
Deal found 27/8£440
Sun 14/922:55BFS - YYZ
2 stops21h 55mMultiple Airlines
Sat 20/922:15YYZ - BFS
1 stop19h 15mMultiple Airlines
Deal found 27/8£441
Thu 18/906:00BFS - YYZ
2 stops14h 50mMultiple Airlines
Sat 20/922:15YYZ - BFS
1 stop19h 15mMultiple Airlines
Deal found 27/8£445
Sat 11/1019:35BFS - YYZ
2 stops23h 35mMultiple Airlines
Sat 18/1022:10YYZ - BFS
2 stops19h 20mMultiple Airlines
Deal found 27/8£449
Thu 27/1120:00BHD - YUL
1 stop27h 45mBritish Airways
Mon 1/1220:40YUL - BHD
1 stop12h 35mBritish Airways
Deal found 27/8£485

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 August 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

BelfastToronto

BFS - YYZ

BFSYYZ

Belfast Intl

Mon 15/9

12:35-14:10

2 stops30h 35m

Toronto Pearson Intl

Sun 21/9

22:15-15:55

1 stop12h 40m

£395

BelfastToronto

BFS - YYZ

BFSYYZ

Belfast Intl

Tue 16/9

15:45-09:59

3 stops47h 14m

Toronto Pearson Intl

Sat 20/9

22:15-22:30

1 stop19h 15m

£397

BelfastToronto

BFS - YYZ

BFSYYZ

Belfast Intl

Tue 16/9

05:55-14:10

2 stops13h 15m

Toronto Pearson Intl

Sun 21/9

22:15-15:55

1 stop12h 40m

£399

BelfastToronto

BFS - YYZ

BFSYYZ

Belfast Intl

Mon 15/9

12:35-14:10

2 stops30h 35m

Toronto Pearson Intl

Sat 20/9

22:15-22:30

1 stop19h 15m

£400

BelfastToronto

BFS - YYZ

BFSYYZ

Belfast Intl

Wed 1/10

20:20-16:50

3 stops25h 30m

Toronto Pearson Intl

Sun 5/10

22:10-23:20

2 stops20h 10m

£404

BelfastToronto

BFS - YYZ

BFSYYZ

Belfast Intl

Wed 17/9

20:30-15:50

2 stops24h 20m

Toronto Pearson Intl

Sun 21/9

22:15-15:55

1 stop12h 40m

£434

BelfastToronto

BFS - YYZ

BFSYYZ

Belfast Intl

Sun 14/9

22:55-15:50

2 stops21h 55m

Toronto Pearson Intl

Sun 21/9

22:15-15:55

1 stop12h 40m

£436

BelfastToronto

BFS - YYZ

BFSYYZ

Belfast Intl

Wed 17/9

06:00-15:50

2 stops14h 50m

Toronto Pearson Intl

Sat 20/9

22:15-22:30

1 stop19h 15m

£439

BelfastToronto

BFS - YYZ

BFSYYZ

Belfast Intl

Thu 18/9

06:00-15:50

2 stops14h 50m

Toronto Pearson Intl

Sun 21/9

22:15-15:55

1 stop12h 40m

£440

BelfastToronto

BFS - YYZ

BFSYYZ

Belfast Intl

Sun 14/9

22:55-15:50

2 stops21h 55m

Toronto Pearson Intl

Sat 20/9

22:15-22:30

1 stop19h 15m

£441

Flights are sorted by cheapest return flights first.

Deals found on 27/8

Showing 1-10 of 30 results
1
2
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 time of day to fly from NIR to ON?

Find hourly flight availability from Northern Ireland to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 29 August 2025.

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.

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 August 2025.
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
7,320 reviews
Check prices

Crew

7.6

Boarding

6.9

Entertainment

6.4

Comfort

6.7

Overall

6.7

Food

6.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

LHR - FCO

The crew was wonderful. Service was great. The discomfort came from the passenger behind me kicking the seat.
British Airways
6.7
Okay
7,320 reviews
British Airways
6.7
Okay
7,320 reviews
Check prices

Crew

7.6

Boarding

6.9

Entertainment

6.4

Comfort

6.7

Overall

6.7

Food

6.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

LHR - FCO

The crew was wonderful. Service was great. The discomfort came from the passenger behind me kicking the seat.

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.

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

    Departing from Northern Ireland to Region of Ontario will take you 27h 45m. The distance between Northern Ireland and Region of Ontario is about 2953 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.

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

    Currently, January is the cheapest month in which you can book a flight from Northern Ireland to Region of Ontario (average of £490). Flying from Northern Ireland to Region of Ontario in July is currently the most expensive (average of £708). 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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Top airline flying from Northern Ireland to Ontario

Discover the top airline that operate flights from Northern Ireland to Ontario. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 29 August 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£418Average£613FlexibilityNo cancel feeOn-time70%
Search British Airways flights

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?

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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