In terms of precipitation, rainfall in Belfast Intl Airport ranges from 50.0 - 90.0 mm 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?

When deciding which route to take from Region of Ontario to Belfast Intl Airport consider Toronto Pearson Intl - Belfast Intl, Montreal Pierre Elliott Trudeau Intl - Belfast Intl or Ottawa - Belfast Intl as they are the most popular.

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

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Region of Ontario to Belfast Intl Airport as you normally would.

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 vacation 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.

C$ 515+ 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.

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Best

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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 30 October 2026.

Mon 23/118:50 p.m. -

1 stop18h 25m

Mon 30/1111:50 a.m. -

2 stops33h 05m

Deal found 26/10C$ 991

Fri 27/117:40 p.m. -

2 stops13h 40m

Fri 4/128:25 a.m. -

2 stops14h 50m

Deal found 30/10C$ 998

Thu 26/119:35 p.m. -

1 stop17h 55m

Thu 3/126:30 a.m. -

1 stop13h 30m

Deal found 29/10C$ 1,003

Thu 10/1212:15 p.m. -

2 stops20h 25m

Thu 17/1210:10 a.m. -

1 stop14h 05m

Deal found 26/10C$ 1,053

Thu 5/119:35 p.m. -

1 stop17h 55m

Sat 14/118:10 a.m. -

1 stop11h 50m

Deal found 27/10C$ 1,103

Mon 2/117:50 p.m. -

2 stops18h 20m

Fri 6/119:00 p.m. -

2 stops22h 55m

Deal found 29/10C$ 1,187

Find flight deals from Ontario to Belfast Intl

Round-trip from	C$ 991
One-way from	C$ 515

23/11-30/11
3 total stops
51h 30m total
Ontario to Belfast

Search Deals

7/12-31/12
2 total stops
17h 30m 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 round-trip

Quickest round-trip

TorontoBelfast

YYZ Toronto Pearson Intl - BFS Belfast Intl

YYZBFS

Toronto Pearson Intl

Mon 7/12

10:45 p.m.-9:15 p.m.

2 stops17h 30m

Belfast Intl

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 515

TorontoBelfast

YYZ Toronto Pearson Intl - BFS Belfast Intl

YYZBFS

Toronto Pearson Intl

Sun 13/12

9:05 p.m.-7:55 a.m.

3 stops29h 50m

Belfast Intl

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 674

TorontoBelfast

YYZ Toronto Pearson Intl - BFS Belfast Intl

YYZBFS

Toronto Pearson Intl

Mon 14/12

11:10 p.m.-5:35 p.m.

2 stops37h 25m

Belfast Intl

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 684

TorontoBelfast

YYZ Toronto Pearson Intl - BFS Belfast Intl

YYZBFS

Toronto Pearson Intl

Thu 26/11

9:35 p.m.-8:30 p.m.

1 stop17h 55m

Belfast Intl

Thu 3/12

6:30 a.m.-3:00 p.m.

1 stop13h 30m

C$ 1,003

TorontoBelfast

YYZ Toronto Pearson Intl - BFS Belfast Intl

YYZBFS

Toronto Pearson Intl

Mon 23/11

9:00 a.m.-7:10 p.m.

3 stops29h 10m

Belfast Intl

Mon 30/11

11:50 a.m.-3:55 p.m.

2 stops33h 05m

C$ 1,010

TorontoBelfast

YYZ Toronto Pearson Intl - BFS Belfast Intl

YYZBFS

Toronto Pearson Intl

Fri 16/4

10:35 p.m.-9:25 a.m.

1 stop29h 50m

Belfast Intl

Fri 30/4

6:05 a.m.-4:00 p.m.

1 stop14h 55m

C$ 1,040

TorontoBelfast

YYZ Toronto Pearson Intl - BFS Belfast Intl

YYZBFS

Toronto Pearson Intl

Fri 27/11

8:35 p.m.-12:30 p.m.

1 stop10h 55m

Belfast Intl

Fri 4/12

9:00 p.m.-4:05 p.m.

2 stops24h 05m

C$ 1,153

TorontoBelfast

YYZ Toronto Pearson Intl - BFS Belfast Intl

YYZBFS

Toronto Pearson Intl

Thu 10/12

5:45 p.m.-1:40 p.m.

1 stop14h 55m

Belfast Intl

Thu 17/12

10:10 a.m.-7:15 p.m.

1 stop14h 05m

C$ 1,264

TorontoBelfast

YYZ Toronto Pearson Intl - BFS Belfast Intl

YYZBFS

Toronto Pearson Intl

Sat 12/12

9:35 p.m.-4:05 p.m.

1 stop13h 30m

Belfast Intl

Sat 19/12

11:00 p.m.-7:10 p.m.

3 stops25h 10m

C$ 1,328

TorontoBelfast

YYZ Toronto Pearson Intl - BFS Belfast Intl

YYZBFS

Toronto Pearson Intl

Wed 30/12

9:25 p.m.-7:05 p.m.

2 stops16h 40m

Belfast Intl

Fri 19/3

6:30 a.m.-4:00 p.m.

1 stop13h 30m

C$ 1,533

Flights are sorted by cheapest round-trip flights first.

Deals found on 27/10

Sorted 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

Estimated round-trip 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

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?
When deciding which route to take from Region of Ontario to Belfast Intl Airport consider Toronto Pearson Intl - Belfast Intl, Montreal Pierre Elliott Trudeau Intl - Belfast Intl or Ottawa - Belfast Intl as they are the most popular.
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 vacation 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

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Complete your trip

Direct flights to United Kingdom

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Alternative routes for Ontario to Belfast Intl

Vancouver Intl to Belfast City flights

Vancouver Intl to Belfast Intl flights

Pearson Intl to Belfast Intl flights

Calgary to Belfast City flights

Calgary to Belfast Intl flights

Pearson Intl to Belfast City flights

Pierre Elliott Trudeau Intl to Belfast Intl flights

Ottawa to Belfast Intl flights

Pierre Elliott Trudeau Intl to Belfast City flights

Top airline flying from Ontario to Belfast Intl

Airline	Cheapest	Average	Flexibility	On-time
British Airways	CheapestC$ 908	AverageC$ 1,591	FlexibilityNo cancel fee	On-time70%	Search British Airways flights

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

When you search for this flight from Ontario to Belfast Intl, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

Millions of users choose and trust Cheapflights to book the best flight deals from Ontario to Belfast Intl for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Ontario to Belfast Intl with no change fees?

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

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

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

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Cheap flights from Ontario to Belfast Intl Airport from C$ 515

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/12. 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 30 October 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 30 October 2026.

Best flights from Ontario to Belfast IntlDiscover carefully curated flight deals from Ontario to Belfast Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 30 October 2026.

Discover carefully curated flight deals from Ontario to Belfast Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 30 October 2026.

Last-minute flights from Ontario to Belfast IntlDiscover last-minute flight deals from Ontario to Belfast Intl. Data last updated 30 October 2026 and is based on user searches.

Discover last-minute flight deals from Ontario to Belfast Intl. Data last updated 30 October 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 30 October 2026.

Search for one-way flight options from Ontario to Belfast Intl. Find affordable one-way fares based on user searches. Data last updated 30 October 2026.

Find flight deals from Ontario to Belfast Intl

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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.

Complete your trip

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

Direct flights to United Kingdom

Book a non-stop flight to one of these other cities located in United Kingdom.

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 30 October 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Top airline flying from Ontario to Belfast Intl

Fly with Cheapflights

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

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

Can Cheapflights find flights from Ontario to Belfast Intl with no change fees?

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

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Travel Smart

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 30 October 2026.

Best flights from Ontario to Belfast Intl
Discover carefully curated flight deals from Ontario to Belfast Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 30 October 2026.

Last-minute flights from Ontario to Belfast Intl
Discover last-minute flight deals from Ontario to Belfast Intl. Data last updated 30 October 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 30 October 2026.