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Cheap flights from Ontario to Belfast from £175

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 21/9. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — BHD
5 May — 12 May1
1 adult

Cheap flight deals from Ontario to Belfast

Keep the following information in mind while searching for Ontario to Belfast flight deals. Data was last updated 30 April 2025.

Round-trip from

£392

One-way from

£175

Popular in

December

Cheapest in

March

Average price

£715
16/6-21/6
  • 16/6-21/6
  • 2 total stops
  • 32h 40m total
  • Ontario to Belfast
Search Deals
21/9
  • 21/9
  • 1 total stop
  • 17h 50m total
  • Ontario to Belfast
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (£57 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£13 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

Find flight deals from Ontario to Belfast

Cheapest flights from Ontario to Belfast
Explore the most affordable flight options available from Ontario to Belfast. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 April 2025.

Mon 16/622:15YYZ - BFS
1 stop19h 15mMultiple Airlines
Sat 21/605:45BFS - YYZ
1 stop13h 25mMultiple Airlines
Deal found 29/4£392
Thu 28/822:15YYZ - BHD
1 stop14h 25mMultiple Airlines
Sat 6/917:50BHD - YYZ
1 stop25h 20mMultiple Airlines
Deal found 29/4£509
Wed 28/516:00YUL - BFS
2 stops23h 35mMultiple Airlines
Wed 4/606:10BFS - YUL
1 stop13h 05mMultiple Airlines
Deal found 30/4£525
Wed 28/516:00YUL - BHD
2 stops22h 45mMultiple Airlines
Wed 4/607:05BHD - YUL
1 stop12h 10mMultiple Airlines
Deal found 30/4£532
Wed 8/1018:50YUL - BHD
1 stop17h 05mDelta
Tue 21/1017:25BHD - YUL
1 stop28h 30mDelta
Deal found 29/4£539
Wed 8/1022:00YYZ - BHD
1 stop10h 30mAmerican Airlines
Mon 20/1006:40BHD - YYZ
1 stop18h 30mAmerican Airlines
Deal found 29/4£573
Sat 11/1018:25YYZ - BHD
1 stop10h 45mBritish Airways
Sat 18/1009:35BHD - YYZ
1 stop15h 35mBritish Airways
Deal found 29/4£573
Thu 9/1022:05YUL - BHD
1 stop12h 25mAmerican Airlines
Tue 21/1013:40BHD - YUL
1 stop11h 35mAmerican Airlines
Deal found 29/4£585
Fri 10/1022:00YUL - BHD
1 stop12h 30mBritish Airways
Fri 17/1014:00BHD - YUL
1 stop11h 15mBritish Airways
Deal found 29/4£610
Fri 13/605:55YOW - BFS
3 stops33h 10mMultiple Airlines
Fri 20/608:35BFS - YOW
2 stops20h 47mMultiple Airlines
Deal found 29/4£619
Sun 8/618:14YYZ - BHD
2 stops17h 41mDelta
Sun 15/617:25BHD - YYZ
2 stops26h 16mDelta
Deal found 29/4£697
Mon 9/617:20YYZ - BHD
2 stops16h 15mAer Lingus
Sun 15/606:50BHD - YYZ
2 stops13h 50mAer Lingus
Deal found 28/4£714

Cheapflights Fare Finder

Customise your flight search to find flights from Ontario to Belfast 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 30 April 2025.
Use the filters below to find and compare flights from Ontario to Belfast that are best for you.

Fly from

Ontario

Fly to

Belfast

Route

Depart

Return

Price

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Mon 16/6

22:15-22:30

1 stop19h 15m

Belfast Intl

Sat 21/6

05:45-14:10

1 stop13h 25m

£392

TorontoBelfast

YYZ - BHD

YYZBHD

Toronto Pearson Intl

Thu 28/8

22:15-17:40

1 stop14h 25m

Belfast City

Sat 6/9

17:50-14:10

1 stop25h 20m

£509

MontrealBelfast

YUL - BFS

YULBFS

Montreal Pierre Elliott Trudeau Intl

Wed 28/5

16:00-20:35

2 stops23h 35m

Belfast Intl

Wed 4/6

06:10-14:15

1 stop13h 05m

£525

MontrealBelfast

YUL - BHD

YULBHD

Montreal Pierre Elliott Trudeau Intl

Wed 28/5

16:00-19:45

2 stops22h 45m

Belfast City

Wed 4/6

07:05-14:15

1 stop12h 10m

£532

MontrealBelfast

YUL - BHD

YULBHD

Montreal Pierre Elliott Trudeau Intl

Wed 8/10

18:50-16:55

1 stop17h 05m

Belfast City

Tue 21/10

17:25-16:55

1 stop28h 30m

£539

TorontoBelfast

YYZ - BHD

YYZBHD

Toronto Pearson Intl

Wed 8/10

22:00-13:30

1 stop10h 30m

Belfast City

Mon 20/10

06:40-20:10

1 stop18h 30m

£573

TorontoBelfast

YYZ - BHD

YYZBHD

Toronto Pearson Intl

Sat 11/10

18:25-10:10

1 stop10h 45m

Belfast City

Sat 18/10

09:35-20:10

1 stop15h 35m

£573

MontrealBelfast

YUL - BHD

YULBHD

Montreal Pierre Elliott Trudeau Intl

Thu 9/10

22:05-15:30

1 stop12h 25m

Belfast City

Tue 21/10

13:40-20:15

1 stop11h 35m

£585

MontrealBelfast

YUL - BHD

YULBHD

Montreal Pierre Elliott Trudeau Intl

Fri 10/10

22:00-15:30

1 stop12h 30m

Belfast City

Fri 17/10

14:00-20:15

1 stop11h 15m

£610

OttawaBelfast

YOW - BFS

YOWBFS

Ottawa

Fri 13/6

05:55-20:05

3 stops33h 10m

Belfast Intl

Fri 20/6

08:35-00:22

2 stops20h 47m

£619

Flights are sorted by cheapest return flights first.

Deals found on 29/4

Showing 1-10 of 22 results
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Best time to book a flight from Ontario to Belfast

Have a flexible travel schedule? Discover the best time to fly to Belfast 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 Belfast

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

Currently, January is the cheapest month in which you can book a flight from Region of Ontario to Belfast (average of £67). Flying from Region of Ontario to Belfast 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 Belfast by month

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

In terms of precipitation, rainfall in Belfast 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 Belfast when rainfall is around 50.0 mm.

Temperature in Belfast by month

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

If weather is an important factor for your trip to Belfast, 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 Belfast

Get insights into the airlines that provide service to Belfast. 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 Belfast. Reviews last updated 30 April 2025.
To help decide which airline to fly from Ontario to Belfast, see what other customers have to say about Delta, KLM and American Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
7,934 reviews
Check prices

Comfort

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

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
7,934 reviews
Delta
8.0
Very Good
7,934 reviews
Check prices

Comfort

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

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
1,334 reviews
Delta
8.0
Very Good
7,934 reviews
Check prices

Comfort

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

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
7,934 reviews
Check prices

Comfort

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

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
1,076 reviews
Delta
8.0
Very Good
7,934 reviews
Check prices

Comfort

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

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.
British Airways
6.6
Okay
6,842 reviews
Delta
8.0
Very Good
7,934 reviews
Check prices

Comfort

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

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

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

  • What are the most popular routes from Region of Ontario to Belfast?

    While some choose either Toronto Pearson Intl - Belfast City or Montreal Pierre Elliott Trudeau Intl - Belfast Intl, Toronto Pearson Intl - Belfast Intl is the most popular route from Region of Ontario to Belfast.

  • Can I find deals for flights from Ontario to Belfast that include hotel bookings?

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

  • How can I find direct flights from Ontario to Belfast?

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

  • Can I find deals for business class flights from Ontario to Belfast?

    Yes. Cheapflights offers flight deals from Ontario to Belfast 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 Belfast?

    Currently, January is the cheapest month in which you can book a flight from Region of Ontario to Belfast (average of £67). Flying from Region of Ontario to Belfast 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

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Certainly. Search results for flights to Belfast from Ontario shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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