In terms of precipitation, rainfall in Region of Ontario ranges from 51.0 - 83.0 inches per month. June is typically the wettest month, when rainfall can reach 83.0 mm. February is typically the driest time to visit Region of Ontario when rainfall is around 51.0 mm.

If weather is an important factor for your trip to Region of Ontario, 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 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -6.0 C).

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

The most popular route from Belfast Intl Airport to Region of Ontario is Belfast Intl - Toronto Pearson Intl. You may also consider Belfast Intl - Montreal Pierre Elliott Trudeau Intl or Belfast Intl - Hamilton.

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

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

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

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

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

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

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

£260+ Cheap Flights from Belfast Intl Airport to Ontario

Cheap flight deals from Belfast Intl to Ontario

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

Cheapest flights from Belfast Intl to Ontario
Explore the most affordable flight options available from Belfast Intl to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 7 September 2026.

Wed 30/908:15 -

2 stops18h 50m

Wed 7/1023:10 -

2 stops16h 20m

Deal found 2/9£395

Wed 21/1008:15 -

2 stops33h 35m

Wed 28/1021:25 -

2 stops20h 35m

Deal found 6/9£433

Tue 6/1021:25 -

1 stop23h 35m

Tue 13/1023:50 -

1 stop26h 50m

Deal found 3/9£450

Thu 22/1010:30 -

2 stops34h 40m

Thu 29/1022:25 -

2 stops19h 50m

Deal found 7/9£468

Tue 27/1008:30 -

3 stops34h 15m

Sun 1/1120:25 -

3 stops20h 15m

Deal found 6/9£483

Wed 21/1008:15 -

2 stops35h 45m

Wed 28/1017:40 -

2 stops24h 20m

Deal found 6/9£573

Find flight deals from Belfast Intl to Ontario

Round-trip from	£395
One-way from	£260

30/9-7/10
4 total stops
35h 10m total
Belfast to Ontario

Search Deals

21/10-31/12
1 total stop
25h 30m total
Belfast to Ontario

Search Deals

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Fastest return journey

BelfastToronto

BFS Belfast Intl - YYZ Toronto Pearson Intl

BFSYYZ

Belfast Intl

Mon 14/9

06:40-13:40

1 stop12h 00m

Toronto Pearson Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£261

BelfastToronto

BFS Belfast Intl - YYZ Toronto Pearson Intl

BFSYYZ

Belfast Intl

Sun 18/10

22:05-14:10

1 stop21h 05m

Toronto Pearson Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£263

BelfastMontreal

BFS Belfast Intl - YUL Montreal Pierre Elliott Trudeau Intl

BFSYUL

Belfast Intl

Tue 10/11

07:05-12:40

1 stop34h 35m

Montreal Pierre Elliott Trudeau Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£266

BelfastToronto

BFS Belfast Intl - YTZ Toronto Island

BFSYTZ

Belfast Intl

Wed 21/10

17:40-08:47

3 stops44h 07m

Toronto Island

Wed 31/12

00:00-06:00

Nonstop0h 00m

£295

BelfastToronto

BFS Belfast Intl - YYZ Toronto Pearson Intl

BFSYYZ

Belfast Intl

Wed 21/10

08:15-22:00

2 stops18h 45m

Toronto Pearson Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£303

BelfastToronto

BFS Belfast Intl - YYZ Toronto Pearson Intl

BFSYYZ

Belfast Intl

Thu 29/10

21:10-16:00

3 stops46h 50m

Toronto Pearson Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£328

BelfastToronto

BFS Belfast Intl - YTZ Toronto Island

BFSYTZ

Belfast Intl

Thu 29/10

17:40-19:56

3 stops30h 16m

Toronto Island

Wed 31/12

00:00-06:00

Nonstop0h 00m

£340

BelfastToronto

BFS Belfast Intl - YTZ Toronto Island

BFSYTZ

Belfast Intl

Mon 14/9

20:55-18:55

2 stops27h 00m

Toronto Island

Wed 31/12

00:00-06:00

Nonstop0h 00m

£382

BelfastToronto

BFS Belfast Intl - YYZ Toronto Pearson Intl

BFSYYZ

Belfast Intl

Wed 30/9

08:15-22:05

2 stops18h 50m

Toronto Pearson Intl

Wed 7/10

23:10-20:30

2 stops16h 20m

£395

BelfastToronto

BFS Belfast Intl - YYZ Toronto Pearson Intl

BFSYYZ

Belfast Intl

Wed 21/10

08:15-12:50

2 stops33h 35m

Toronto Pearson Intl

Wed 28/10

21:25-22:00

2 stops20h 35m

£433

Flights are sorted by cheapest return flights first.

Deals found on 4/9

Showing 1-10 of 17 resultsSorted by cheapest first

Best time to book a flight from Belfast Intl to Ontario

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

BFS-YYZ

BFS-YUL

BFS-YTZ

BFS-YHM

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 Belfast Intl Airport to Ontario

BFS-CAON

BFS-YYZ

BFS-YUL

BFS-YTZ

BFS-YHM

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 Belfast Intl Airport to Region of Ontario?
The most popular route from Belfast Intl Airport to Region of Ontario is Belfast Intl - Toronto Pearson Intl. You may also consider Belfast Intl - Montreal Pierre Elliott Trudeau Intl or Belfast Intl - Hamilton.
Can I find deals for flights from Belfast Intl to Ontario that include hotel bookings?
Yes. In addition to deals on Belfast Intl to Ontario flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Belfast Intl to Ontario?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Belfast Intl to Ontario.
Can I find deals for business class flights from Belfast Intl to Ontario?
Yes. Cheapflights offers flight deals from Belfast Intl to Ontario 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

Browse thousands of different options on Cheapflights for your next trip

Alternative routes

Complete your trip

Direct flights to Canada

Flights by cabin class

Other flight options

Popular flights

Alternative routes for Belfast Intl to Ontario

Belfast Intl to Vancouver Intl flights

Belfast City to Vancouver Intl flights

Belfast Intl to Pearson Intl flights

Belfast City to Pearson Intl flights

Belfast Intl to Edmonton flights

Belfast Intl to Pierre Elliott Trudeau Intl flights

Belfast City to Edmonton flights

Belfast City to Calgary flights

Fly with Cheapflights

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

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Belfast Intl to Ontario. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Belfast Intl to Ontario.

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from Belfast Intl to Ontario flexibly with Cheapflights today.

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

Of course! You can now track prices for flights from Belfast Intl to Ontario and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

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 Belfast Intl Airport to Ontario from £260

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 21/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Belfast Intl to Ontario

Cheapest flights from Belfast Intl to OntarioExplore the most affordable flight options available from Belfast Intl to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 7 September 2026.

Explore the most affordable flight options available from Belfast Intl to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 7 September 2026.

Best flights from Belfast Intl to OntarioDiscover carefully curated flight deals from Belfast Intl to Ontario that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 7 September 2026.

Discover carefully curated flight deals from Belfast Intl to Ontario that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 7 September 2026.

Last-minute flights from Belfast Intl to OntarioDiscover last-minute flight deals from Belfast Intl to Ontario. Data last updated 7 September 2026 and is based on user searches.

Discover last-minute flight deals from Belfast Intl to Ontario. Data last updated 7 September 2026 and is based on user searches.

One-way flights from Belfast Intl to OntarioSearch for one-way flight options from Belfast Intl to Ontario. Find affordable one-way fares based on user searches. Data last updated 7 September 2026.

Search for one-way flight options from Belfast Intl to Ontario. Find affordable one-way fares based on user searches. Data last updated 7 September 2026.

Find flight deals from Belfast Intl to Ontario

Round-trip from

One-way from

Cheapflights Fare Finder

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

Best time to book a flight from Belfast Intl to Ontario

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

Cheapflights Insights

Related info for your journey

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

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

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

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

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 Belfast Intl to Ontario

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

Complete your trip

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

Direct flights to Canada

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

Search flights from Belfast Intl to Ontario by cabin class

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

Belfast Intl and Ontario flights

Browse other Belfast Intl and Ontario flight options. Last updated on 7 September 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Fly with Cheapflights

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

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

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

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

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Belfast Intl to Ontario
Explore the most affordable flight options available from Belfast Intl to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 7 September 2026.

Best flights from Belfast Intl to Ontario
Discover carefully curated flight deals from Belfast Intl to Ontario that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 7 September 2026.

Last-minute flights from Belfast Intl to Ontario
Discover last-minute flight deals from Belfast Intl to Ontario. Data last updated 7 September 2026 and is based on user searches.

One-way flights from Belfast Intl to Ontario
Search for one-way flight options from Belfast Intl to Ontario. Find affordable one-way fares based on user searches. Data last updated 7 September 2026.