Find flights
When to book
Airlines

Cheap flights from Northern Ireland to Ontario from £216

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 1/10. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — YYZ
16 Jul — 23 Jul1
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 11 July 2025.

Round-trip from

£370

One-way from

£216

Popular in

August

Cheapest in

May

Average price

£649
20/10-26/10
  • 20/10-26/10
  • 4 total stops
  • 51h 30m total
  • Northern Ireland to Ontario
Search Deals
1/10
  • 1/10
  • 1 total stop
  • 10h 30m 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. 4% potential price decrease (£19 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 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 11 July 2025.

Mon 20/1007:00BFS - YYZ
2 stops19h 55mMultiple Airlines
Sun 26/1020:45YYZ - BFS
2 stops31h 35mMultiple Airlines
Deal found 10/7£370
Mon 20/1008:50BHD - YYZ
1 stop11h 50mMultiple Airlines
Sun 26/1022:35YYZ - BHD
1 stop31h 00mMultiple Airlines
Deal found 10/7£439
Mon 20/1020:15BFS - YUL
2 stops28h 05mMultiple Airlines
Sun 26/1019:25YUL - BFS
2 stops21h 10mMultiple Airlines
Deal found 10/7£440
Mon 20/1014:30BHD - YUL
2 stops33h 50mMultiple Airlines
Sun 26/1019:25YUL - BHD
2 stops14h 10mMultiple Airlines
Deal found 10/7£484
Mon 20/1007:00BFS - YTZ
2 stops16h 36mMultiple Airlines
Sun 26/1017:30YTZ - BFS
2 stops23h 05mMultiple Airlines
Deal found 10/7£489
Wed 24/906:50BHD - YYZ
1 stop18h 20mAmerican Airlines
Sun 28/922:00YYZ - BHD
1 stop14h 40mAmerican Airlines
Deal found 9/7£509
Thu 18/914:15BHD - YUL
1 stop11h 00mAmerican Airlines
Mon 22/922:10YUL - BHD
1 stop12h 30mAmerican Airlines
Deal found 9/7£517
Thu 7/819:25BHD - YYZ
2 stops31h 06mBritish Airways
Mon 11/819:25YYZ - BHD
2 stops15h 15mBritish Airways
Deal found 9/7£525
Mon 20/1007:05BHD - YTZ
2 stops16h 31mMultiple Airlines
Sun 26/1017:30YTZ - BHD
2 stops23h 00mMultiple Airlines
Deal found 10/7£545
Mon 20/1006:30BHD - YYZ
1 stop11h 50mDelta
Sun 26/1015:59YYZ - BHD
2 stops20h 51mDelta
Deal found 10/7£554
Thu 27/1117:20BHD - YUL
1 stop28h 50mVirgin Atlantic
Mon 1/1219:05YUL - BHD
1 stop16h 45mVirgin Atlantic
Deal found 9/7£595
Sat 16/806:30BHD - YYZ
2 stops21h 28mVirgin Atlantic
Thu 21/818:13YYZ - BHD
2 stops21h 52mVirgin Atlantic
Deal found 9/7£601

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 11 July 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 20/10

07:00-21:55

2 stops19h 55m

Toronto Pearson Intl

Sun 26/10

20:45-08:20

2 stops31h 35m

£370

BelfastToronto

BHD - YYZ

BHDYYZ

Belfast City

Mon 20/10

08:50-15:40

1 stop11h 50m

Toronto Pearson Intl

Sun 26/10

22:35-09:35

1 stop31h 00m

£439

BelfastMontreal

BFS - YUL

BFSYUL

Belfast Intl

Mon 20/10

20:15-19:20

2 stops28h 05m

Montreal Pierre Elliott Trudeau Intl

Sun 26/10

19:25-20:35

2 stops21h 10m

£440

BelfastMontreal

BHD - YUL

BHDYUL

Belfast City

Mon 20/10

14:30-19:20

2 stops33h 50m

Montreal Pierre Elliott Trudeau Intl

Sun 26/10

19:25-13:35

2 stops14h 10m

£484

BelfastToronto

BFS - YTZ

BFSYTZ

Belfast Intl

Mon 20/10

07:00-18:36

2 stops16h 36m

Toronto Island

Sun 26/10

17:30-20:35

2 stops23h 05m

£489

BelfastToronto

BHD - YYZ

BHDYYZ

Belfast City

Wed 24/9

06:50-20:10

1 stop18h 20m

Toronto Pearson Intl

Sun 28/9

22:00-17:40

1 stop14h 40m

£509

BelfastMontreal

BHD - YUL

BHDYUL

Belfast City

Thu 18/9

14:15-20:15

1 stop11h 00m

Montreal Pierre Elliott Trudeau Intl

Mon 22/9

22:10-15:40

1 stop12h 30m

£517

BelfastToronto

BHD - YYZ

BHDYYZ

Belfast City

Thu 7/8

19:25-21:31

2 stops31h 06m

Toronto Pearson Intl

Mon 11/8

19:25-15:40

2 stops15h 15m

£525

BelfastToronto

BHD - YTZ

BHDYTZ

Belfast City

Mon 20/10

07:05-18:36

2 stops16h 31m

Toronto Island

Sun 26/10

17:30-20:30

2 stops23h 00m

£545

BelfastToronto

BHD - YYZ

BHDYYZ

Belfast City

Mon 20/10

06:30-13:20

1 stop11h 50m

Toronto Pearson Intl

Sun 26/10

15:59-16:50

2 stops20h 51m

£554

Flights are sorted by cheapest return flights first.

Deals found on 10/7

Showing 1-10 of 22 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 11 July 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 11 July 2025.
Get a feel of what it's like to fly with Delta, Finnair, andVirgin Atlantic 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.
Delta
8.0
Very Good
7,951 reviews
Check prices

Crew

8.5

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
6.0
Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good
Delta
8.0
Very Good
7,951 reviews
Delta
8.0
Very Good
7,951 reviews
Check prices

Crew

8.5

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
6.0
Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good
Finnair
7.6
Good
1,312 reviews
Delta
8.0
Very Good
7,951 reviews
Check prices

Crew

8.5

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
6.0
Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good
Virgin Atlantic
7.4
Good
654 reviews
Delta
8.0
Very Good
7,951 reviews
Check prices

Crew

8.5

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
6.0
Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very Good
7,951 reviews
Check prices

Crew

8.5

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
6.0
Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good
Iberia
7.0
Good
2,828 reviews
Delta
8.0
Very Good
7,951 reviews
Check prices

Crew

8.5

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
6.0
Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good

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.

  • 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Northern Ireland to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
Heathrow to Pearson Intl flights
Gatwick to Pearson Intl flights
Heathrow to Vancouver Intl flights
London City to Pearson Intl flights
Heathrow to Toronto Island flights
Gatwick to Vancouver Intl flights
Heathrow to Calgary flights
Gatwick to Toronto Island flights
Stansted to Pearson Intl flights
Luton to Pearson Intl flights
Heathrow to Pierre Elliott Trudeau Intl flights
Manchester to Pearson Intl flights
London City to Vancouver Intl flights
Heathrow to Abbotsford flights
Gatwick to Pierre Elliott Trudeau Intl flights
Heathrow to Ottawa flights
Edinburgh to Pearson Intl flights
Gatwick to Calgary flights
Manchester to Vancouver Intl flights
London City to Calgary flights
Gatwick to Abbotsford flights
Luton to Vancouver Intl flights
Heathrow to Halifax flights
Manchester to Toronto Island flights
Stansted to Vancouver Intl flights
Southend to Pearson Intl flights
London City to Pierre Elliott Trudeau Intl flights
Glasgow Intl to Pearson Intl flights
Luton to Calgary flights
Heathrow to Edmonton flights
Edinburgh to Toronto Island flights
Manchester to Edmonton flights
Luton to Pierre Elliott Trudeau Intl flights
Edinburgh to Thunder Bay flights
Stansted to Calgary flights
Gatwick to Edmonton flights
Manchester to Abbotsford flights
Manchester to Calgary flights
Stansted to Pierre Elliott Trudeau Intl flights
Birmingham to Pearson Intl flights
Edinburgh to Vancouver Intl flights
Gatwick to Halifax flights
Edinburgh to Calgary flights
Gatwick to Ottawa flights
London City to Ottawa flights
Birmingham to Vancouver Intl flights
Heathrow to Winnipeg flights

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 11 July 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£416Average£618FlexibilityNo 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!

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
©2025 Cheapflights