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 Air France (£582), American Airlines (£628), and Delta (£638).

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 £743 for the month, but tickets can be as low as £564. Due to multiple factors, prepare for potentially higher prices in December.

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.

£161+ Flights from Ontario to Northern Ireland

Cheap flight deals from Ontario to Northern Ireland

Round-trip from	£460
One-way from	£161
Popular in	December
Cheapest in	March
Average price	£564

3/5-11/5
2 total stops
41h 15m total
Ontario to Northern Ireland

Search Deals

28/5
1 total stop
28h 55m total
Ontario to Northern Ireland

Search Deals

Highest demand for flights based on searches. 10% potential increase in price (£64 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£15 potential savings vs. average return price).

Search Deals

Average for round-trip flights in March 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 31 March 2025.

Sat 3/522:05YUL - BHD

1 stop29h 05mMultiple Airlines

Sun 11/507:05BHD - YUL

1 stop12h 10mMultiple Airlines

Deal found 30/3£460

Sun 4/522:45YYZ - BFS

1 stop28h 00mMultiple Airlines

Fri 9/521:05BFS - YYZ

1 stop23h 35mMultiple Airlines

Deal found 31/3£469

Wed 14/517:40YUL - BFS

2 stops21h 55mMultiple Airlines

Wed 21/506:10BFS - YUL

2 stops18h 10mMultiple Airlines

Deal found 31/3£520

Sun 4/522:45YYZ - BHD

1 stop16h 40mMultiple Airlines

Fri 9/514:20BHD - YYZ

1 stop30h 20mMultiple Airlines

Deal found 31/3£583

Tue 29/418:05YYZ - BHD

1 stop9h 55mAmerican Airlines

Tue 19/809:35BHD - YYZ

1 stop11h 25mAmerican Airlines

Deal found 31/3£655

Sun 8/622:00YYZ - BHD

1 stop10h 05mBritish Airways

Sun 15/611:00BHD - YYZ

1 stop14h 10mBritish Airways

Deal found 30/3£666

Thu 15/516:40YOW - BFS

2 stops22h 55mMultiple Airlines

Thu 22/521:10BFS - YOW

2 stops32h 11mMultiple Airlines

Deal found 31/3£691

Wed 10/922:10YUL - BHD

1 stop10h 20mAmerican Airlines

Fri 26/906:35BHD - YUL

1 stop18h 40mAmerican Airlines

Deal found 30/3£711

Sun 8/617:25YYZ - BHD

2 stops13h 05mAer Lingus

Sun 15/620:05BHD - YYZ

2 stops24h 35mAer Lingus

Deal found 30/3£751

Wed 14/518:50YUL - BHD

1 stop17h 05mDelta

Wed 21/506:30BHD - YUL

1 stop15h 25mDelta

Deal found 31/3£762

Wed 9/413:15YYZ - BHD

2 stops17h 40mIberia

Mon 21/406:40BHD - YYZ

1 stop18h 30mIberia

Deal found 30/3£774

Wed 14/522:10YUL - BHD

1 stop10h 20mBritish Airways

Thu 22/514:15BHD - YUL

1 stop11h 00mBritish Airways

Deal found 31/3£776

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 31 March 2025.

Sat 3/522:05YUL - BHD

1 stop29h 05mMultiple Airlines

Sun 11/507:05BHD - YUL

1 stop12h 10mMultiple Airlines

Deal found 30/3£460

Tue 29/418:05YYZ - BHD

1 stop9h 55mAmerican Airlines

Tue 19/809:35BHD - YYZ

1 stop11h 25mAmerican Airlines

Deal found 31/3£655

Sun 8/622:00YYZ - BHD

1 stop10h 05mBritish Airways

Sun 15/611:00BHD - YYZ

1 stop14h 10mBritish Airways

Deal found 30/3£666

Sun 8/617:25YYZ - BHD

2 stops13h 05mAer Lingus

Sun 15/620:05BHD - YYZ

2 stops24h 35mAer Lingus

Deal found 29/3£751

Wed 14/518:50YUL - BHD

1 stop17h 05mDelta

Wed 21/506:30BHD - YUL

1 stop15h 25mDelta

Deal found 31/3£762

Sun 4/522:45YYZ - BFS

1 stop28h 00mMultiple Airlines

Fri 9/521:05BFS - YYZ

1 stop23h 35mMultiple Airlines

Deal found 31/3£469

Sat 26/723:30YYZ - BHD

2 stops16h 45mKLM

Tue 19/806:30BHD - YYZ

2 stops14h 15mKLM

Deal found 29/3£954

Wed 14/517:40YUL - BFS

2 stops21h 55mMultiple Airlines

Wed 21/506:10BFS - YUL

2 stops18h 10mMultiple Airlines

Deal found 31/3£520

Sun 4/522:45YYZ - BHD

1 stop16h 40mMultiple Airlines

Fri 9/514:20BHD - YYZ

1 stop30h 20mMultiple Airlines

Deal found 31/3£583

Wed 10/922:10YUL - BHD

1 stop10h 20mAmerican Airlines

Fri 26/906:35BHD - YUL

1 stop18h 40mAmerican Airlines

Deal found 30/3£711

Wed 14/522:10YUL - BHD

1 stop10h 20mBritish Airways

Thu 22/514:15BHD - YUL

1 stop11h 00mBritish Airways

Deal found 31/3£776

Sun 13/418:13YYZ - BHD

2 stops17h 42mDelta

Wed 23/406:30BHD - YYZ

1 stop12h 00mDelta

Deal found 30/3£794

Last-minute flights from Ontario to Northern Ireland
Discover last-minute flight deals from Ontario to Northern Ireland. Data last updated 31 March 2025 and is based on user searches.

Wed 9/422:35YYZ - BFS

1 stop18h 25mMultiple Airlines

Mon 21/412:35BFS - YYZ

2 stops38h 45mMultiple Airlines

Deal found 30/3£629

Wed 9/422:00YYZ - BHD

1 stop10h 30mBritish Airways

Mon 21/413:50BHD - YYZ

1 stop11h 20mBritish Airways

Deal found 30/3£746

Wed 9/413:15YYZ - BHD

2 stops17h 40mIberia

Mon 21/406:40BHD - YYZ

1 stop18h 30mIberia

Deal found 30/3£774

Wed 9/418:20YYZ - BHD

2 stops14h 10mMultiple Airlines

Mon 21/406:40BHD - YYZ

2 stops21h 45mMultiple Airlines

Deal found 30/3£786

Sun 13/422:35YYZ - BHD

1 stop16h 50mMultiple Airlines

Wed 23/414:20BHD - YYZ

1 stop30h 40mMultiple Airlines

Deal found 30/3£632

Sun 13/418:13YYZ - BHD

2 stops17h 42mDelta

Wed 23/406:30BHD - YYZ

1 stop12h 00mDelta

Deal found 30/3£794

Tue 29/407:55YYZ - BFS

2 stops32h 35mMultiple Airlines

Tue 19/822:55BFS - YYZ

1 stop19h 15mMultiple Airlines

Deal found 31/3£486

Tue 29/418:05YYZ - BHD

1 stop9h 55mAmerican Airlines

Tue 19/809:35BHD - YYZ

1 stop11h 25mAmerican Airlines

Deal found 31/3£655

Tue 29/418:05YYZ - BHD

1 stop9h 55mBritish Airways

Tue 19/809:35BHD - YYZ

2 stops18h 26mBritish Airways

Deal found 31/3£671

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 31 March 2025.

Wed 28/522:15YYZ - BFS

1 stop28h 55mMultiple Airlines

Deal found 30/3£161

Wed 28/522:15YYZ - BHD

1 stop14h 25mMultiple Airlines

Deal found 30/3£180

Wed 28/505:55YOW - BFS

2 stops45h 15mMultiple Airlines

Deal found 30/3£206

Wed 28/506:45YUL - BFS

2 stops44h 25mMultiple Airlines

Deal found 30/3£210

Wed 28/505:55YOW - BHD

2 stops30h 45mMultiple Airlines

Deal found 30/3£228

Wed 28/506:45YUL - BHD

2 stops29h 55mMultiple Airlines

Deal found 30/3£232

Tue 29/411:55YTZ - BFS

2 stops28h 35mMultiple Airlines

Deal found 31/3£256

Fri 30/516:40YTZ - BHD

2 stops22h 45mMultiple Airlines

Deal found 30/3£267

Wed 28/518:50YUL - BHD

1 stop17h 05mAir France

Deal found 30/3£582

Sun 25/516:00YUL - BHD

2 stops14h 30mAmerican Airlines

Deal found 30/3£628

Thu 15/516:45YYZ - BHD

1 stop23h 30mDelta

Deal found 31/3£638

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

MontrealBelfast

YUL - BHD

YULBHD

Montreal Pierre Elliott Trudeau Intl

Sat 3/5

22:05-08:10

1 stop29h 05m

Belfast City

Sun 11/5

07:05-14:15

1 stop12h 10m

£460

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Sun 4/5

22:45-07:45

1 stop28h 00m

Belfast Intl

Fri 9/5

21:05-15:40

1 stop23h 35m

£469

MontrealBelfast

YUL - BFS

YULBFS

Montreal Pierre Elliott Trudeau Intl

Wed 14/5

17:40-20:35

2 stops21h 55m

Belfast Intl

Wed 21/5

06:10-19:20

2 stops18h 10m

£520

TorontoBelfast

YYZ - BHD

YYZBHD

Toronto Pearson Intl

Sun 4/5

22:45-20:25

1 stop16h 40m

Belfast City

Fri 9/5

14:20-15:40

1 stop30h 20m

£583

TorontoBelfast

YYZ - BHD

YYZBHD

Toronto Pearson Intl

Tue 29/4

18:05-09:00

1 stop9h 55m

Belfast City

Tue 19/8

09:35-16:00

1 stop11h 25m

£655

TorontoBelfast

YYZ - BHD

YYZBHD

Toronto Pearson Intl

Sun 8/6

22:00-13:05

1 stop10h 05m

Belfast City

Sun 15/6

11:00-20:10

1 stop14h 10m

£666

OttawaBelfast

YOW - BFS

YOWBFS

Ottawa

Thu 15/5

16:40-20:35

2 stops22h 55m

Belfast Intl

Thu 22/5

21:10-00:21

2 stops32h 11m

£691

MontrealBelfast

YUL - BHD

YULBHD

Montreal Pierre Elliott Trudeau Intl

Wed 10/9

22:10-13:30

1 stop10h 20m

Belfast City

Fri 26/9

06:35-20:15

1 stop18h 40m

£711

TorontoBelfast

YYZ - BHD

YYZBHD

Toronto Pearson Intl

Sun 8/6

17:25-11:30

2 stops13h 05m

Belfast City

Sun 15/6

20:05-15:40

2 stops24h 35m

£751

MontrealBelfast

YUL - BHD

YULBHD

Montreal Pierre Elliott Trudeau Intl

Wed 14/5

18:50-16:55

1 stop17h 05m

Belfast City

Wed 21/5

06:30-16:55

1 stop15h 25m

£762

Flights are sorted by cheapest return flights first.

Deals found on 30/3

Showing 1-10 of 26 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.

Cheapflights Insights

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

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

7,899 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

7,899 reviews

Delta

8.0

Very Good

7,899 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

1,321 reviews

Delta

8.0

Very Good

7,899 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

1,425 reviews

Delta

8.0

Very Good

7,899 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

7,899 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

1,061 reviews

Delta

8.0

Very Good

7,899 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 Air France (£582), American Airlines (£628), and Delta (£638).
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

Fly with Cheapflights

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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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.

Cheap flights from Ontario to Northern Ireland from £161

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 28/5. 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 31 March 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 31 March 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 31 March 2025.

Cheapflights Fare Finder

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

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.

Cheapflights Insights

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

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 31 March 2025.