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Cheap flights from Northern Ireland to Ontario from £442

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — YYZ
27 Dec — 3 Jan1
1 adult
1 adult, Economy, 0 bags

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 27 November 2025.

Round-trip from

£442

Popular in

August

Cheapest in

May
9/1-16/1
  • 9/1-16/1
  • 2 total stops
  • 53h 00m total
  • Northern Ireland to Ontario
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£55 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£23 potential savings vs. average return price).
Search Deals

Find flight deals from Northern Ireland to Ontario

Enter your travel dates to find the best prices.

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 27 November 2025.

Wed 26/1120:50BFS - YYZ
1 stop23h 10mMultiple Airlines
Wed 3/1221:35YYZ - BFS
1 stop11h 10mMultiple Airlines
Deal found 25/11£696
Wed 26/1107:25BHD - YYZ
1 stop12h 35mMultiple Airlines
Wed 3/1221:35YYZ - BHD
1 stop16h 25mMultiple Airlines
Deal found 25/11£700
Wed 26/1112:25BHD - YYZ
1 stop12h 50mBritish Airways
Wed 3/1216:44YYZ - BHD
2 stops16h 31mBritish Airways
Deal found 25/11£779
Wed 26/1106:30BHD - YYZ
2 stops21h 20mDelta
Wed 3/1218:00YYZ - BHD
2 stops17h 50mDelta
Deal found 25/11£850

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 27 November 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

Fri 9/1

21:20-15:00

1 stop22h 40m

Toronto Pearson Intl

Fri 16/1

21:35-08:55

1 stop30h 20m

£442

BelfastToronto

BHD - YYZ

BHDYYZ

Belfast City

Wed 21/1

11:25-20:15

1 stop13h 50m

Toronto Pearson Intl

Sun 25/1

18:05-10:20

1 stop11h 15m

£489

BelfastMontreal

BHD - YUL

BHDYUL

Belfast City

Wed 21/1

11:25-18:45

1 stop12h 20m

Montreal Pierre Elliott Trudeau Intl

Sun 25/1

20:40-13:55

1 stop12h 15m

£506

BelfastToronto

BHD - YYZ

BHDYYZ

Belfast City

Wed 21/1

06:35-15:55

2 stops14h 20m

Toronto Pearson Intl

Sun 25/1

18:05-10:20

1 stop11h 15m

£516

BelfastMontreal

BHD - YUL

BHDYUL

Belfast City

Wed 21/1

10:10-18:45

2 stops13h 35m

Montreal Pierre Elliott Trudeau Intl

Sun 25/1

20:40-13:55

1 stop12h 15m

£526

BelfastMontreal

BHD - YUL

BHDYUL

Belfast City

Thu 22/1

17:20-17:20

1 stop29h 00m

Montreal Pierre Elliott Trudeau Intl

Mon 26/1

19:10-16:50

1 stop16h 40m

£543

BelfastMontreal

BHD - YUL

BHDYUL

Belfast City

Thu 22/1

15:05-18:45

1 stop32h 40m

Montreal Pierre Elliott Trudeau Intl

Mon 26/1

14:25-18:35

2 stops23h 10m

£551

BelfastToronto

BHD - YYZ

BHDYYZ

Belfast City

Sun 1/2

15:10-14:50

1 stop28h 40m

Toronto Pearson Intl

Thu 5/2

17:40-10:20

1 stop11h 40m

£861

BelfastToronto

BFS - YTZ

BFSYTZ

Belfast Intl

Fri 9/1

07:30-19:55

2 stops17h 25m

Toronto Island

Fri 16/1

17:30-17:20

2 stops18h 50m

£1,095

Flights are sorted by cheapest return flights first.

Deals found on 25/11

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 27 November 2025.

It’s typically best to fly out from Northern Ireland to Region of Ontario in the evening. Doing so could potentially save you 30% on the flight price compared to flying in the morning, which is usually more expensive.

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 27 November 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
7,539 reviews
Check prices

Comfort

6.7

Food

6.3

Entertainment

6.4

Overall

6.7

Boarding

6.9

Crew

7.6

Reviews

1 / 20
10.0
Excellent

María Victoria,Nov 2025

LHR - GRU

Seats were comfortable for economy. Blanket and pillow provided, same as headphones. For some reason the uk plug wouldn’t charge and had to use the US charger. Also couldn’t use WiFi as keep saying BA club pw was wrong although it wasn’t: but minor things. Overall good flight and attentive crew.
British Airways
6.7
Okay
7,539 reviews
British Airways
6.7
Okay
7,539 reviews
Check prices

Comfort

6.7

Food

6.3

Entertainment

6.4

Overall

6.7

Boarding

6.9

Crew

7.6

Reviews

1 / 20
10.0
Excellent

María Victoria,Nov 2025

LHR - GRU

Seats were comfortable for economy. Blanket and pillow provided, same as headphones. For some reason the uk plug wouldn’t charge and had to use the US charger. Also couldn’t use WiFi as keep saying BA club pw was wrong although it wasn’t: but minor things. Overall good flight and attentive crew.

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 13h 50m. The distance between Northern Ireland and Region of Ontario is about 3254 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • 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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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 27 November 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£428Average£561FlexibilityNo 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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