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

If weather is an important factor for your trip to Belfast Intl Airport, 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).

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

Most travelers choose Toronto Pearson Intl - Belfast Intl, Montreal Pierre Elliott Trudeau Intl - Belfast Intl or Ottawa - Belfast Intl when deciding on the best route from Region of Ontario to Belfast Intl Airport.

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

When flying from Region of Ontario to Belfast Intl Airport, 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 Belfast Intl that include hotel bookings?

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

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

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

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

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

£157+ Cheap Flights from Ontario to Belfast Intl Airport

Cheap flight deals from Ontario to Belfast Intl

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

Cheapest flights from Ontario to Belfast Intl
Explore the most affordable flight options available from Ontario to Belfast Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 31 August 2026.

Wed 14/1022:15 -

1 stop16h 00m

Wed 21/1017:40 -

1 stop25h 30m

Deal found 30/8£420

Thu 15/1023:55 -

2 stops29h 50m

Thu 22/1006:40 -

1 stop12h 30m

Deal found 31/8£441

Tue 15/921:55 -

1 stop13h 25m

Tue 22/920:55 -

1 stop20h 50m

Deal found 29/8£446

Sun 11/1022:15 -

1 stop15h 10m

Mon 26/1017:30 -

1 stop26h 30m

Deal found 31/8£451

Thu 24/923:55 -

2 stops28h 10m

Thu 1/1014:50 -

1 stop29h 50m

Deal found 27/8£452

Mon 21/923:55 -

2 stops27h 10m

Wed 30/920:15 -

1 stop24h 25m

Deal found 27/8£454

Wed 23/923:55 -

2 stops34h 10m

Thu 1/1006:40 -

1 stop12h 30m

Deal found 30/8£458

Tue 22/923:55 -

2 stops34h 25m

Thu 1/1006:40 -

1 stop12h 30m

Deal found 30/8£460

Sat 10/1021:35 -

2 stops39h 50m

Mon 26/1014:00 -

1 stop30h 00m

Deal found 30/8£463

Mon 7/923:00 -

2 stops27h 05m

Mon 14/914:40 -

1 stop25h 55m

Deal found 28/8£480

Sat 10/1007:00 -

2 stops32h 30m

Sat 17/1006:20 -

2 stops23h 05m

Deal found 26/8£493

Fri 25/919:40 -

1 stop32h 45m

Fri 2/1006:05 -

1 stop11h 35m

Deal found 27/8£497

Best flights from Ontario to Belfast Intl
Discover carefully curated flight deals from Ontario to Belfast Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 31 August 2026.

Sun 11/1022:15 -

1 stop15h 10m

Mon 26/1017:30 -

1 stop26h 30m

Deal found 31/8£451

Thu 24/923:55 -

2 stops35h 35m

Thu 1/1020:40 -

1 stop24h 00m

Deal found 26/8£456

Mon 21/923:55 -

2 stops18h 10m

Wed 30/921:50 -

3 stops24h 20m

Deal found 27/8£477

Thu 15/1023:50 -

1 stop16h 50m

Thu 22/1021:35 -

1 stop23h 25m

Deal found 31/8£479

Sat 10/1007:00 -

2 stops32h 30m

Sat 17/1006:20 -

2 stops23h 05m

Deal found 26/8£493

Sat 10/1019:50 -

1 stop19h 40m

Mon 26/1020:50 -

1 stop23h 10m

Deal found 30/8£496

Fri 25/919:40 -

1 stop32h 45m

Fri 2/1006:05 -

1 stop11h 35m

Deal found 27/8£497

Mon 21/922:45 -

1 stop27h 45m

Mon 28/906:10 -

1 stop11h 35m

Deal found 31/8£500

Thu 26/1119:35 -

1 stop13h 35m

Sun 29/1117:10 -

1 stop24h 30m

Deal found 28/8£502

Fri 23/1022:15 -

1 stop13h 15m

Sun 1/1122:00 -

2 stops21h 05m

Deal found 28/8£502

Thu 8/1019:25 -

1 stop16h 30m

Mon 19/1010:30 -

2 stops34h 35m

Deal found 31/8£522

Mon 9/1120:15 -

2 stops18h 55m

Fri 13/1110:45 -

2 stops30h 55m

Deal found 28/8£530

Mon 14/917:45 -

2 stops21h 55m

Wed 30/905:55 -

2 stops18h 37m

Deal found 27/8£545

Wed 14/1016:55 -

3 stops22h 30m

Wed 21/1006:10 -

2 stops30h 41m

Deal found 30/8£573

Mon 14/914:05 -

2 stops20h 25m

Sun 4/1018:00 -

1 stop32h 00m

Deal found 26/8£606

Fri 2/1016:55 -

2 stops16h 30m

Sat 10/1008:30 -

3 stops40h 45m

Deal found 31/8£626

Find flight deals from Ontario to Belfast Intl

Round-trip from	£420
One-way from	£157

14/10-21/10
2 total stops
41h 30m total
Ontario to Belfast

Search Deals

16/10
1 total stop
13h 15m total
Ontario to Belfast

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Ontario to Belfast Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

TorontoBelfast

YYZ Toronto Pearson Intl - BFS Belfast Intl

YYZBFS

Toronto Pearson Intl

Sun 11/10

22:15-18:25

1 stop15h 10m

Belfast Intl

Mon 26/10

17:30-16:00

1 stop26h 30m

£451

TorontoBelfast

YYZ Toronto Pearson Intl - BFS Belfast Intl

YYZBFS

Toronto Pearson Intl

Thu 24/9

23:55-16:30

2 stops35h 35m

Belfast Intl

Thu 1/10

20:40-15:40

1 stop24h 00m

£456

TorontoBelfast

YYZ Toronto Pearson Intl - BFS Belfast Intl

YYZBFS

Toronto Pearson Intl

Mon 21/9

23:55-23:05

2 stops18h 10m

Belfast Intl

Wed 30/9

21:50-17:10

3 stops24h 20m

£477

TorontoBelfast

YYZ Toronto Pearson Intl - BFS Belfast Intl

YYZBFS

Toronto Pearson Intl

Thu 15/10

23:50-21:40

1 stop16h 50m

Belfast Intl

Thu 22/10

21:35-16:00

1 stop23h 25m

£479

OttawaBelfast

YOW Ottawa - BFS Belfast Intl

YOWBFS

Ottawa

Sat 10/10

07:00-20:30

2 stops32h 30m

Belfast Intl

Sat 17/10

06:20-00:25

2 stops23h 05m

£493

TorontoBelfast

YYZ Toronto Pearson Intl - BFS Belfast Intl

YYZBFS

Toronto Pearson Intl

Sat 10/10

19:50-20:30

1 stop19h 40m

Belfast Intl

Mon 26/10

20:50-16:00

1 stop23h 10m

£496

OttawaBelfast

YOW Ottawa - BFS Belfast Intl

YOWBFS

Ottawa

Fri 25/9

19:40-09:25

1 stop32h 45m

Belfast Intl

Fri 2/10

06:05-12:40

1 stop11h 35m

£497

TorontoBelfast

YYZ Toronto Pearson Intl - BFS Belfast Intl

YYZBFS

Toronto Pearson Intl

Mon 21/9

22:45-07:30

1 stop27h 45m

Belfast Intl

Mon 28/9

06:10-12:45

1 stop11h 35m

£500

MontrealBelfast

YUL Montreal Pierre Elliott Trudeau Intl - BFS Belfast Intl

YULBFS

Montreal Pierre Elliott Trudeau Intl

Thu 26/11

19:35-14:10

1 stop13h 35m

Belfast Intl

Sun 29/11

17:10-12:40

1 stop24h 30m

£502

Fastest return journey

TorontoBelfast

YYZ Toronto Pearson Intl - BFS Belfast Intl

YYZBFS

Toronto Pearson Intl

Fri 23/10

22:15-16:30

1 stop13h 15m

Belfast Intl

Sun 1/11

22:00-14:05

2 stops21h 05m

£502

Flights are sorted by cheapest return flights first.

Deals found on 30/8

Showing 1-10 of 27 resultsSorted by cheapest first

Best time to book a flight from Ontario to Belfast Intl

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

YYZ-BFS

YUL-BFS

YOW-BFS

YTZ-BFS

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 Intl Airport

CAON-BFS

YYZ-BFS

YUL-BFS

YOW-BFS

YTZ-BFS

No data available for this route at this time. Please check back soon.

Related info for your journey

What are the most popular routes from Region of Ontario to Belfast Intl Airport?
Most travelers choose Toronto Pearson Intl - Belfast Intl, Montreal Pierre Elliott Trudeau Intl - Belfast Intl or Ottawa - Belfast Intl when deciding on the best route from Region of Ontario to Belfast Intl Airport.
Can I find deals for flights from Ontario to Belfast Intl that include hotel bookings?
Yes. In addition to deals on Ontario to Belfast Intl flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Ontario to Belfast Intl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Belfast Intl.
Can I find deals for business class flights from Ontario to Belfast Intl?
Yes. Cheapflights offers flight deals from Ontario to Belfast Intl 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

Armagh

Newry

Browse thousands of different options on Cheapflights for your next trip

Alternative routes

Belfast Intl flight routes

Complete your trip

Direct flights to Northern Ireland

Flights by cabin class

Other flight options

Popular flights

Alternative routes for Ontario to Belfast Intl

Pearson Intl to Belfast Intl flights

Pearson Intl to Belfast City flights

Vancouver Intl to Belfast Intl flights

Vancouver Intl to Belfast City flights

Calgary to Belfast Intl flights

Ottawa to Belfast Intl flights

Ottawa to Belfast City flights

Saskatoon to Belfast City flights

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How does Cheapflights help users find flights from Ontario to Belfast Intl?

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Why should you use Cheapflights to find cheap flight tickets from Ontario to Belfast Intl?

Cheapflights simply makes it quick and affordable to book flights from Ontario to Belfast Intl 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 Ontario to Belfast Intl with no change fees?

Need flexible booking options for your flight to Belfast Intl 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 Belfast Intl become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Belfast Intl from Ontario today and book when prices fit your budget.

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Cheap flights from Ontario to Belfast Intl Airport from £157

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 16/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Ontario to Belfast Intl

Cheapest flights from Ontario to Belfast IntlExplore the most affordable flight options available from Ontario to Belfast Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 31 August 2026.

Explore the most affordable flight options available from Ontario to Belfast Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 31 August 2026.

Best flights from Ontario to Belfast IntlDiscover carefully curated flight deals from Ontario to Belfast Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 31 August 2026.

Discover carefully curated flight deals from Ontario to Belfast Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 31 August 2026.

Last-minute flights from Ontario to Belfast IntlDiscover last-minute flight deals from Ontario to Belfast Intl. Data last updated 31 August 2026 and is based on user searches.

Discover last-minute flight deals from Ontario to Belfast Intl. Data last updated 31 August 2026 and is based on user searches.

One-way flights from Ontario to Belfast IntlSearch for one-way flight options from Ontario to Belfast Intl. Find affordable one-way fares based on user searches. Data last updated 31 August 2026.

Search for one-way flight options from Ontario to Belfast Intl. Find affordable one-way fares based on user searches. Data last updated 31 August 2026.

Find flight deals from Ontario to Belfast Intl

Round-trip from

One-way from

Cheapflights Fare Finder

Use the filters below to find and compare flights from Ontario to Belfast Intl Airport that are best for you.

Best time to book a flight from Ontario to Belfast Intl

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

Cheapflights Insights

Related info for your journey

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

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

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

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

Travelling to a place near Belfast Intl Airport?

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 Belfast Intl

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

Other flights to Belfast Intl

Explore flights to Belfast Intl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 31 August 2026.

Complete your trip

Complete your trip to Belfast Intl by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to Northern Ireland

Book a non-stop flight to one of these other cities located in Northern Ireland.

Search flights from Ontario to Belfast Intl by cabin class

Find flights from Ontario to Belfast Intl, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Ontario and Belfast Intl flights

Browse other Ontario and Belfast Intl flight options. Last updated on 31 August 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

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How does Cheapflights help users find flights from Ontario to Belfast Intl?

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Can Cheapflights notify me if prices for flights from Ontario to Belfast Intl become cheaper?

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Cheapest flights from Ontario to Belfast Intl
Explore the most affordable flight options available from Ontario to Belfast Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 31 August 2026.

Best flights from Ontario to Belfast Intl
Discover carefully curated flight deals from Ontario to Belfast Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 31 August 2026.

Last-minute flights from Ontario to Belfast Intl
Discover last-minute flight deals from Ontario to Belfast Intl. Data last updated 31 August 2026 and is based on user searches.

One-way flights from Ontario to Belfast Intl
Search for one-way flight options from Ontario to Belfast Intl. Find affordable one-way fares based on user searches. Data last updated 31 August 2026.