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

The cheapet airlines for a one-way flight from Region of Ontario to Northern Ireland are Delta (£617), American Airlines (£627), and Air France (£660).

What is the cheapest month to fly from Region of Ontario to Northern Ireland?

Our data shows that March tends to be the cheapest month to fly to Northern Ireland from Region of Ontario. Users have commonly found prices around £741 for the month, but tickets can be as low as £578. Due to multiple factors, prepare for potentially higher prices in September.

What is the cheapest time of day to fly from ON to NIR?

When flying from Region of Ontario to Northern Ireland, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Can I find deals for flights from Ontario to Northern Ireland that include hotel bookings?

Yes. In addition to deals on Ontario to Northern Ireland flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Ontario to Northern Ireland?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Northern Ireland.

Can I find deals for business class flights from Ontario to Northern Ireland?

Yes. Cheapflights offers flight deals from Ontario to Northern Ireland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£234+ Flights from Ontario to Northern Ireland

Cheap flight deals from Ontario to Northern Ireland

Round-trip from	£505
One-way from	£234
Popular in	September
Cheapest in	March
Average price	£783

2/5-24/5
3 total stops
45h 45m total
Ontario to Northern Ireland

Search Deals

3/4
1 total stop
29h 25m total
Ontario to Northern Ireland

Search Deals

Highest demand for flights based on searches. 2% potential increase in price (£16 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease (£10 potential savings vs. average return price).

Search Deals

Average for round-trip flights in February 2025

Search Deals

Find flight deals from Ontario to Northern Ireland

Cheapest flights from Ontario to Northern Ireland
Explore the most affordable flight options available from Ontario to Northern Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 February 2025.

Fri 2/522:45YYZ - BFS

1 stop12h 55mMultiple Airlines

Sat 24/515:35BFS - YYZ

2 stops32h 50mMultiple Airlines

Deal found 20/2£505

Fri 2/522:45YYZ - BHD

1 stop16h 40mMultiple Airlines

Sat 24/507:00BHD - YYZ

1 stop13h 40mMultiple Airlines

Deal found 20/2£515

Sat 22/321:50YUL - BHD

1 stop12h 25mBritish Airways

Sat 29/311:15BHD - YUL

1 stop12h 50mBritish Airways

Deal found 20/2£600

Sat 22/321:50YUL - BHD

1 stop14h 50mMultiple Airlines

Sat 29/318:00BHD - YUL

1 stop30h 15mMultiple Airlines

Deal found 20/2£602

Mon 10/1115:20YUL - BHD

2 stops14h 10mAmerican Airlines

Mon 24/1106:35BHD - YUL

2 stops18h 55mAmerican Airlines

Deal found 20/2£645

Mon 16/622:05YUL - BFS

1 stop28h 25mMultiple Airlines

Wed 25/606:10BFS - YUL

1 stop13h 05mMultiple Airlines

Deal found 20/2£669

Sun 20/422:00YYZ - BHD

1 stop10h 05mAmerican Airlines

Fri 9/509:30BHD - YYZ

1 stop11h 30mAmerican Airlines

Deal found 19/2£709

Sun 20/418:05YYZ - BHD

1 stop14h 00mBritish Airways

Fri 9/514:00BHD - YYZ

2 stops14h 00mBritish Airways

Deal found 19/2£734

Wed 24/919:00YUL - BHD

2 stops16h 55mKLM

Tue 30/917:25BHD - YUL

1 stop28h 30mKLM

Deal found 20/2£795

Fri 11/717:20YYZ - BHD

2 stops14h 30mAer Lingus

Sat 26/719:00BHD - YYZ

2 stops49h 50mAer Lingus

Deal found 19/2£834

Thu 1/520:50YYZ - CAL

2 stops15h 25mMultiple Airlines

Sun 4/518:05CAL - YYZ

2 stops30h 05mMultiple Airlines

Deal found 20/2£844

Mon 16/618:50YUL - BHD

1 stop21h 25mDelta

Wed 25/606:30BHD - YUL

1 stop15h 25mDelta

Deal found 21/2£859

Best flights from Ontario to Northern Ireland
Discover carefully curated flight deals from Ontario to Northern Ireland that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 21 February 2025.

Fri 2/522:45YYZ - BFS

1 stop12h 55mMultiple Airlines

Sat 24/515:35BFS - YYZ

2 stops32h 50mMultiple Airlines

Deal found 20/2£505

Sat 22/321:50YUL - BHD

1 stop12h 25mBritish Airways

Sat 29/311:15BHD - YUL

1 stop12h 50mBritish Airways

Deal found 20/2£600

Sun 20/422:00YYZ - BHD

1 stop10h 05mAmerican Airlines

Fri 9/509:30BHD - YYZ

1 stop11h 30mAmerican Airlines

Deal found 19/2£709

Fri 11/717:20YYZ - BHD

2 stops14h 30mAer Lingus

Sat 26/719:00BHD - YYZ

2 stops49h 50mAer Lingus

Deal found 19/2£834

Mon 16/618:50YUL - BHD

1 stop21h 25mDelta

Wed 25/606:30BHD - YUL

1 stop15h 25mDelta

Deal found 21/2£859

Mon 16/619:00YUL - BHD

2 stops16h 55mKLM

Wed 25/606:30BHD - YUL

1 stop15h 25mKLM

Deal found 20/2£879

Fri 2/522:45YYZ - BHD

1 stop16h 40mMultiple Airlines

Sat 24/507:00BHD - YYZ

1 stop13h 40mMultiple Airlines

Deal found 20/2£515

Sat 22/321:50YUL - BHD

1 stop14h 50mMultiple Airlines

Sat 29/318:00BHD - YUL

1 stop30h 15mMultiple Airlines

Deal found 20/2£602

Sun 20/418:05YYZ - BHD

1 stop14h 00mBritish Airways

Fri 9/514:00BHD - YYZ

2 stops14h 00mBritish Airways

Deal found 19/2£734

Mon 16/622:05YUL - BFS

1 stop28h 25mMultiple Airlines

Wed 25/606:10BFS - YUL

1 stop13h 05mMultiple Airlines

Deal found 20/2£669

Thu 1/520:50YYZ - CAL

2 stops15h 25mMultiple Airlines

Sun 4/518:05CAL - YYZ

2 stops30h 05mMultiple Airlines

Deal found 20/2£844

Thu 1/516:45YYZ - BHD

1 stop23h 30mDelta

Sun 4/517:25BHD - YYZ

1 stop24h 55mDelta

Deal found 20/2£1,267

Last-minute flights from Ontario to Northern Ireland
Discover last-minute flight deals from Ontario to Northern Ireland. Data last updated 21 February 2025 and is based on user searches.

Thu 27/218:20YYZ - BHD

2 stops17h 20mBritish Airways

Sun 2/320:25BHD - YYZ

1 stop23h 30mBritish Airways

Deal found 20/2£997

Thu 27/213:14YYZ - BHD

2 stops19h 46mIberia

Sun 2/315:10BHD - YYZ

2 stops35h 09mIberia

Deal found 20/2£1,044

Thu 27/221:15YYZ - BHD

1 stop14h 35mMultiple Airlines

Sun 2/317:20BHD - YYZ

1 stop27h 20mMultiple Airlines

Deal found 20/2£1,062

Sun 9/319:12YYZ - BHD

2 stops19h 28mMultiple Airlines

Sat 15/309:10BHD - YYZ

2 stops16h 41mMultiple Airlines

Deal found 20/2£886

Mon 17/319:00YYZ - BHD

1 stop11h 30mBritish Airways

Mon 24/314:40BHD - YYZ

1 stop10h 35mBritish Airways

Deal found 19/2£785

Sat 22/321:50YUL - BHD

1 stop12h 25mBritish Airways

Sat 29/311:15BHD - YUL

1 stop12h 50mBritish Airways

Deal found 20/2£600

Sat 22/321:50YUL - BHD

1 stop14h 50mMultiple Airlines

Sat 29/318:00BHD - YUL

1 stop30h 15mMultiple Airlines

Deal found 20/2£602

One-way flights from Ontario to Northern Ireland
Search for one-way flight options from Ontario to Northern Ireland. Find affordable one-way fares based on user searches. Data last updated 21 February 2025.

Thu 3/422:35YYZ - BFS

1 stop29h 25mMultiple Airlines

Deal found 20/2£234

Sun 6/422:00YYZ - CAL

2 stops29h 45mMultiple Airlines

Deal found 20/2£279

Mon 7/405:55YOW - BFS

3 stops31h 50mMultiple Airlines

Deal found 20/2£316

Thu 3/411:40YTZ - BFS

3 stops19h 25mMultiple Airlines

Deal found 20/2£548

Sun 6/406:00YYZ - BHD

2 stops29h 55mDelta

Deal found 20/2£617

Sun 25/522:00YUL - BHD

1 stop10h 05mAmerican Airlines

Deal found 21/2£627

Sun 25/522:00YUL - BHD

1 stop10h 05mMultiple Airlines

Deal found 19/2£627

Sun 25/519:00YUL - BHD

2 stops16h 55mAir France

Deal found 21/2£660

Find flights from Ontario to Northern Ireland within your budget

Fly from

Fly to

Route

Depart

Return

Price

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Fri 2/5

22:45-16:40

1 stop12h 55m

Belfast Intl

Sat 24/5

15:35-19:25

2 stops32h 50m

£505

TorontoBelfast

YYZ - BHD

YYZBHD

Toronto Pearson Intl

Fri 2/5

22:45-20:25

1 stop16h 40m

Belfast City

Sat 24/5

07:00-15:40

1 stop13h 40m

£515

MontrealBelfast

YUL - BHD

YULBHD

Montreal Pierre Elliott Trudeau Intl

Sat 22/3

21:50-14:15

1 stop12h 25m

Belfast City

Sat 29/3

11:15-20:05

1 stop12h 50m

£600

MontrealBelfast

YUL - BHD

YULBHD

Montreal Pierre Elliott Trudeau Intl

Sat 22/3

21:50-16:40

1 stop14h 50m

Belfast City

Sat 29/3

18:00-20:15

1 stop30h 15m

£602

MontrealBelfast

YUL - BFS

YULBFS

Montreal Pierre Elliott Trudeau Intl

Mon 16/6

22:05-07:30

1 stop28h 25m

Belfast Intl

Wed 25/6

06:10-14:15

1 stop13h 05m

£669

TorontoBelfast

YYZ - BHD

YYZBHD

Toronto Pearson Intl

Sun 20/4

22:00-13:05

1 stop10h 05m

Belfast City

Fri 9/5

09:30-16:00

1 stop11h 30m

£709

TorontoBelfast

YYZ - BHD

YYZBHD

Toronto Pearson Intl

Sun 20/4

18:05-13:05

1 stop14h 00m

Belfast City

Fri 9/5

14:00-23:00

2 stops14h 00m

£734

TorontoBelfast

YYZ - BHD

YYZBHD

Toronto Pearson Intl

Fri 11/7

17:20-12:50

2 stops14h 30m

Belfast City

Sat 26/7

19:00-15:50

2 stops49h 50m

£834

TorontoCampbeltown

YYZ - CAL

YYZCAL

Toronto Pearson Intl

Thu 1/5

20:50-17:15

2 stops15h 25m

Campbeltown Machrihanish

Sun 4/5

18:05-19:10

2 stops30h 05m

£844

MontrealBelfast

YUL - BHD

YULBHD

Montreal Pierre Elliott Trudeau Intl

Mon 16/6

18:50-21:15

1 stop21h 25m

Belfast City

Wed 25/6

06:30-16:55

1 stop15h 25m

£859

Flights are sorted by cheapest return flights first.

Deals found on 20/2

Showing 1-10 of 20 results

Best time to book a flight from Ontario to Northern Ireland

Have a flexible travel schedule? Discover the best time to fly to Northern Ireland from Ontario 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 Ontario to Northern Ireland

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

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

Currently, January is the cheapest month in which you can book a flight from Region of Ontario to Northern Ireland (average of £67). Flying from Region of Ontario to Northern Ireland in July is currently the most expensive (average of £90). 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 Northern Ireland by month

In terms of precipitation, rainfall in Northern Ireland ranges from 50.0 - 90.0 inches per month. October is typically the wettest month, when rainfall can reach 90.0 mm. April is typically the driest time to visit Northern Ireland when rainfall is around 50.0 mm.

Temperature in Northern Ireland by month

If weather is an important factor for your trip to Northern Ireland, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 16.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 5.0 C).

Reviews of airlines servicing Northern Ireland

See what other customers who have flown with Delta, KLM and Air France from Ontario to Northern Ireland have to say. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very Good

8,212 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta

8.0

Very Good

8,212 reviews

Delta

8.0

Very Good

8,212 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM

7.8

Good

1,333 reviews

Delta

8.0

Very Good

8,212 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Air France

7.4

Good

1,449 reviews

Delta

8.0

Very Good

8,212 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very Good

8,212 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Aer Lingus

7.0

Good

1,070 reviews

Delta

8.0

Very Good

8,212 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

What are the cheapest airlines to fly from Region of Ontario to Northern Ireland one-way?
The cheapet airlines for a one-way flight from Region of Ontario to Northern Ireland are Delta (£617), American Airlines (£627), and Air France (£660).
Can I find deals for flights from Ontario to Northern Ireland that include hotel bookings?
Yes. In addition to deals on Ontario to Northern Ireland flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Ontario to Northern Ireland?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Northern Ireland.
Can I find deals for business class flights from Ontario to Northern Ireland?
Yes. Cheapflights offers flight deals from Ontario to Northern Ireland 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 Region of Ontario to Northern Ireland?
Currently, January is the cheapest month in which you can book a flight from Region of Ontario to Northern Ireland (average of £67). Flying from Region of Ontario to Northern Ireland in July is currently the most expensive (average of £90). 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

Alternative routes for Ontario to Northern Ireland

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Direct flights to United Kingdom

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How does Cheapflights help users find flights from Ontario to Northern Ireland?

Cheapflights makes it easy to find Ontario to Northern Ireland flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Ontario to Northern Ireland?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Ontario to Northern Ireland for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Ontario to Northern Ireland with no change fees?

Need flexible booking options for your flight to Northern Ireland from Ontario? 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 Ontario to Northern Ireland become cheaper?

Not ready to book yet? You can track prices for flights from Ontario to Northern Ireland on Cheapflights with our Price Alert feature and get notified when better prices are available.

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Cheap flights from Ontario to Northern Ireland from £234

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 3/4. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Ontario to Northern Ireland

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

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Ontario to Northern Ireland

Cheapest flights from Ontario to Northern IrelandExplore the most affordable flight options available from Ontario to Northern Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 February 2025.

Explore the most affordable flight options available from Ontario to Northern Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 February 2025.

Find flights from Ontario to Northern Ireland within your budget

Best time to book a flight from Ontario to Northern Ireland

Have a flexible travel schedule? Discover the best time to fly to Northern Ireland from Ontario with our price prediction graph.

Travel insights for flights from Ontario to Northern Ireland

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

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

Rainfall in Northern Ireland by month

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

Temperature in Northern Ireland by month

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

Reviews of airlines servicing Northern Ireland

See what other customers who have flown with Delta, KLM and Air France from Ontario to Northern Ireland have to say. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Northern Ireland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

Can I find deals for flights from Ontario to Northern Ireland that include hotel bookings?

How can I find direct flights from Ontario to Northern Ireland?

Can I find deals for business class flights from Ontario to Northern Ireland?

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

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 Ontario to Northern Ireland

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

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 Ontario to Northern Ireland?

Why should you use Cheapflights to find cheap flight tickets from Ontario to Northern Ireland?

Can Cheapflights find flights from Ontario to Northern Ireland with no change fees?

Can Cheapflights notify me if prices for flights from Ontario to Northern Ireland become cheaper?

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Ontario to Northern Ireland
Explore the most affordable flight options available from Ontario to Northern Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 February 2025.