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, Ottawa - Belfast Intl or Montreal Pierre Elliott Trudeau Intl - 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.

£156+ 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 5 September 2026.

Wed 14/1022:15 -

1 stop16h 00m

Wed 21/1017:40 -

1 stop25h 30m

Deal found 2/9£440

Fri 11/921:55 -

1 stop18h 55m

Fri 18/921:10 -

1 stop20h 35m

Deal found 4/9£452

Thu 24/923:55 -

2 stops35h 35m

Thu 1/1020:40 -

1 stop24h 00m

Deal found 3/9£468

Sat 3/1023:50 -

1 stop18h 35m

Mon 12/1007:05 -

1 stop13h 55m

Deal found 5/9£478

Sat 3/1023:50 -

1 stop28h 50m

Sat 10/1021:30 -

1 stop23h 30m

Deal found 3/9£479

Fri 16/1022:15 -

1 stop13h 15m

Fri 23/1019:55 -

2 stops20h 05m

Deal found 1/9£481

Sun 4/1022:45 -

1 stop27h 45m

Sun 11/1021:10 -

1 stop20h 35m

Deal found 3/9£483

Sun 18/1022:45 -

1 stop16h 30m

Sun 25/1020:55 -

1 stop23h 05m

Deal found 3/9£501

Sun 13/919:40 -

1 stop30h 45m

Fri 25/921:30 -

2 stops27h 30m

Deal found 1/9£567

Wed 14/1009:30 -

2 stops23h 15m

Wed 21/1006:15 -

2 stops18h 35m

Deal found 2/9£587

Mon 12/1023:45 -

2 stops18h 35m

Tue 27/1007:00 -

2 stops21h 35m

Deal found 3/9£599

Wed 16/916:55 -

2 stops15h 50m

Fri 18/906:05 -

2 stops17h 50m

Deal found 2/9£645

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 5 September 2026.

Wed 14/1022:15 -

1 stop16h 00m

Wed 21/1017:40 -

1 stop25h 30m

Deal found 2/9£440

Thu 24/923:55 -

2 stops35h 35m

Thu 1/1020:40 -

1 stop24h 00m

Deal found 3/9£468

Sat 3/1023:50 -

1 stop18h 35m

Mon 12/1007:05 -

1 stop13h 55m

Deal found 5/9£478

Sat 3/1023:50 -

1 stop28h 50m

Sat 10/1021:30 -

1 stop23h 30m

Deal found 3/9£479

Fri 16/1022:15 -

1 stop13h 15m

Fri 23/1019:55 -

2 stops20h 05m

Deal found 1/9£481

Sun 4/1022:45 -

1 stop27h 45m

Sun 11/1021:10 -

1 stop20h 35m

Deal found 3/9£483

Sun 18/1022:45 -

1 stop16h 30m

Sun 25/1020:55 -

1 stop23h 05m

Deal found 3/9£501

Wed 14/1009:30 -

2 stops23h 15m

Wed 21/1006:15 -

2 stops18h 35m

Deal found 2/9£587

Mon 5/1019:15 -

1 stop16h 00m

Tue 6/1023:30 -

3 stops23h 58m

Deal found 1/9£588

Mon 12/1023:45 -

2 stops18h 35m

Tue 27/1007:00 -

2 stops21h 35m

Deal found 3/9£599

Wed 16/916:55 -

2 stops15h 50m

Fri 18/906:05 -

2 stops17h 50m

Deal found 2/9£645

Mon 5/1010:30 -

3 stops24h 00m

Tue 6/1020:10 -

3 stops29h 01m

Deal found 4/9£657

Fri 9/1014:00 -

2 stops21h 30m

Tue 13/1005:55 -

2 stops15h 26m

Deal found 31/8£708

Wed 30/916:00 -

2 stops23h 25m

Wed 7/1008:15 -

2 stops21h 10m

Deal found 2/9£713

Thu 17/1219:35 -

1 stop13h 35m

Wed 23/1218:00 -

2 stops25h 35m

Deal found 3/9£747

Wed 16/1221:40 -

1 stop28h 20m

Thu 24/1221:00 -

2 stops27h 15m

Deal found 3/9£779

Thu 17/1217:40 -

2 stops17h 10m

Wed 23/1208:30 -

2 stops14h 28m

Deal found 3/9£1,178

Find flight deals from Ontario to Belfast Intl

Round-trip from	£426
One-way from	£156

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

Search Deals

16/10-31/12
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

Fri 16/10

22:15-16:30

1 stop13h 15m

Belfast Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£156

TorontoBelfast

YYZ Toronto Pearson Intl - BFS Belfast Intl

YYZBFS

Toronto Pearson Intl

Tue 20/10

23:55-23:20

2 stops18h 25m

Belfast Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£180

MontrealBelfast

YUL Montreal Pierre Elliott Trudeau Intl - BFS Belfast Intl

YULBFS

Montreal Pierre Elliott Trudeau Intl

Fri 16/10

06:45-16:30

2 stops28h 45m

Belfast Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£208

OttawaBelfast

YOW Ottawa - BFS Belfast Intl

YOWBFS

Ottawa

Thu 15/10

20:15-16:30

2 stops39h 15m

Belfast Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£211

TorontoBelfast

YTZ Toronto Island - BFS Belfast Intl

YTZBFS

Toronto Island

Mon 21/9

10:00-07:05

3 stops40h 05m

Belfast Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£228

TorontoBelfast

YTZ Toronto Island - BFS Belfast Intl

YTZBFS

Toronto Island

Fri 16/10

11:55-16:30

3 stops23h 35m

Belfast Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£233

Fastest return journey

TorontoBelfast

YYZ Toronto Pearson Intl - BFS Belfast Intl

YYZBFS

Toronto Pearson Intl

Wed 16/9

19:15-12:20

2 stops12h 05m

Belfast Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£237

TorontoBelfast

YTZ Toronto Island - BFS Belfast Intl

YTZBFS

Toronto Island

Mon 28/9

16:55-10:40

2 stops36h 45m

Belfast Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£242

TorontoBelfast

YYZ Toronto Pearson Intl - BFS Belfast Intl

YYZBFS

Toronto Pearson Intl

Mon 21/9

21:05-19:05

1 stop17h 00m

Belfast Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£253

TorontoBelfast

YTZ Toronto Island - BFS Belfast Intl

YTZBFS

Toronto Island

Fri 18/9

10:00-08:00

3 stops41h 00m

Belfast Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£268

Flights are sorted by cheapest return flights first.

Deals found on 3/9

Showing 1-10 of 28 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, Ottawa - Belfast Intl or Montreal Pierre Elliott Trudeau Intl - 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

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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

Vancouver Intl to Belfast Intl flights

Vancouver Intl to Belfast City flights

Pearson Intl to Belfast Intl flights

Pearson Intl to Belfast City flights

Ottawa to Belfast Intl flights

Ottawa to Belfast City flights

Calgary to Belfast Intl 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 £156

This is the cheapest retur 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 5 September 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 5 September 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 5 September 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 5 September 2026.

Last-minute flights from Ontario to Belfast IntlDiscover last-minute flight deals from Ontario to Belfast Intl. Data last updated 5 September 2026 and is based on user searches.

Discover last-minute flight deals from Ontario to Belfast Intl. Data last updated 5 September 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 5 September 2026.

Search for one-way flight options from Ontario to Belfast Intl. Find affordable one-way fares based on user searches. Data last updated 5 September 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 5 September 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 5 September 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 5 September 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 5 September 2026.

Last-minute flights from Ontario to Belfast Intl
Discover last-minute flight deals from Ontario to Belfast Intl. Data last updated 5 September 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 5 September 2026.