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

Currently, January is the cheapest month in which you can book a flight from Belfast to Region of Ontario (average of £490). Flying from Belfast to Region of Ontario in July is currently the most expensive (average of £708). 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.

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

The most popular route from Belfast to Region of Ontario is Belfast Intl - Toronto Pearson Intl. You may also consider Belfast City - Toronto Pearson Intl or Belfast Intl - Toronto Island.

What is the cheapest month to fly from Belfast to Region of Ontario?

Due to multiple factors, expect to potentially pay more when booking in August. For low rates, March can be a great choice for travel to Region of Ontario. Flights to Region of Ontario from Belfast in March are about £592 on average during March, but can be found for as low as £391.

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

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

How can I find direct flights from Belfast to Ontario?

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

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

Yes. Cheapflights offers flight deals from Belfast 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.

£247+ Flights from Belfast to Ontario

Cheap flight deals from Belfast to Ontario

Round-trip from	£392
One-way from	£247
Popular in	August
Cheapest in	March
Average price	£559

1/7-15/7
2 total stops
32h 40m total
Belfast to Ontario

Search Deals

15/9
2 total stops
12h 30m total
Belfast to Ontario

Search Deals

Highest demand for flights based on searches. 13% potential increase in price (£73 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease (£19 potential savings vs. average return price).

Search Deals

Average for round-trip flights in April 2025

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Find flight deals from Belfast to Ontario

Cheapest flights from Belfast to Ontario
Explore the most affordable flight options available from Belfast to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 2 April 2025.

Tue 1/722:55BFS - YYZ

1 stop19h 15mMultiple Airlines

Tue 15/722:15YYZ - BFS

1 stop13h 25mMultiple Airlines

Deal found 1/4£392

Fri 2/507:00BHD - YYZ

1 stop13h 40mMultiple Airlines

Thu 8/518:00YYZ - BHD

2 stops35h 35mMultiple Airlines

Deal found 1/4£481

Fri 2/517:25BHD - YYZ

2 stops22h 55mVirgin Atlantic

Thu 8/512:30YYZ - BHD

2 stops27h 45mVirgin Atlantic

Deal found 1/4£498

Fri 6/620:05BHD - YYZ

2 stops30h 25mBritish Airways

Tue 17/622:15YYZ - BHD

1 stop14h 15mBritish Airways

Deal found 1/4£523

Tue 1/717:25BHD - YYZ

1 stop31h 30mKLM

Tue 15/723:30YYZ - BHD

2 stops16h 35mKLM

Deal found 1/4£571

Thu 26/608:30BHD - YYZ

2 stops19h 39mDelta

Wed 16/722:10YYZ - BHD

1 stop17h 55mDelta

Deal found 1/4£616

Thu 26/606:10BFS - YTZ

2 stops17h 00mMultiple Airlines

Wed 16/716:40YTZ - BFS

2 stops22h 55mMultiple Airlines

Deal found 1/4£618

Thu 3/707:05BHD - YTZ

2 stops17h 52mMultiple Airlines

Mon 7/718:55YTZ - BHD

2 stops13h 50mMultiple Airlines

Deal found 1/4£632

Best flights from Belfast to Ontario
Discover carefully curated flight deals from Belfast to Ontario that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 2 April 2025.

Tue 1/722:55BFS - YYZ

1 stop19h 15mMultiple Airlines

Tue 15/722:15YYZ - BFS

1 stop13h 25mMultiple Airlines

Deal found 1/4£392

Fri 2/517:25BHD - YYZ

2 stops22h 55mVirgin Atlantic

Thu 8/512:30YYZ - BHD

2 stops27h 45mVirgin Atlantic

Deal found 1/4£498

Fri 6/620:05BHD - YYZ

2 stops30h 25mBritish Airways

Tue 17/622:15YYZ - BHD

1 stop14h 15mBritish Airways

Deal found 1/4£523

Tue 1/717:25BHD - YYZ

1 stop31h 30mKLM

Tue 15/723:30YYZ - BHD

2 stops16h 35mKLM

Deal found 1/4£571

Thu 26/608:30BHD - YYZ

2 stops19h 39mDelta

Wed 16/722:10YYZ - BHD

1 stop17h 55mDelta

Deal found 1/4£616

Fri 2/507:00BHD - YYZ

1 stop13h 40mMultiple Airlines

Thu 8/518:00YYZ - BHD

2 stops35h 35mMultiple Airlines

Deal found 1/4£481

Thu 26/606:10BFS - YTZ

2 stops17h 00mMultiple Airlines

Wed 16/716:40YTZ - BFS

2 stops22h 55mMultiple Airlines

Deal found 1/4£618

Thu 3/707:05BHD - YTZ

2 stops17h 52mMultiple Airlines

Mon 7/718:55YTZ - BHD

2 stops13h 50mMultiple Airlines

Deal found 1/4£632

Last-minute flights from Belfast to Ontario
Discover last-minute flight deals from Belfast to Ontario. Data last updated 2 April 2025 and is based on user searches.

Thu 1/506:10BFS - YYZ

1 stop14h 30mMultiple Airlines

Fri 23/522:45YYZ - BFS

1 stop16h 20mMultiple Airlines

Deal found 1/4£571

Thu 1/506:10BFS - YTZ

3 stops18h 17mMultiple Airlines

Fri 23/509:30YTZ - BFS

3 stops29h 35mMultiple Airlines

Deal found 1/4£698

Fri 2/507:00BHD - YYZ

1 stop13h 40mMultiple Airlines

Thu 8/518:00YYZ - BHD

2 stops35h 35mMultiple Airlines

Deal found 1/4£481

Fri 2/517:25BHD - YYZ

2 stops22h 55mVirgin Atlantic

Thu 8/512:30YYZ - BHD

2 stops27h 45mVirgin Atlantic

Deal found 1/4£498

Fri 2/509:30BHD - YYZ

1 stop15h 40mBritish Airways

Thu 8/522:05YYZ - BHD

1 stop12h 25mBritish Airways

Deal found 1/4£555

One-way flights from Belfast to Ontario
Search for one-way flight options from Belfast to Ontario. Find affordable one-way fares based on user searches. Data last updated 2 April 2025.

Mon 15/906:40BFS - YYZ

2 stops12h 30mMultiple Airlines

Deal found 1/4£247

Fri 16/517:05BFS - YTZ

3 stops30h 59mMultiple Airlines

Deal found 1/4£333

Sun 24/815:20BHD - YYZ

1 stop26h 50mMultiple Airlines

Deal found 1/4£453

Tue 15/413:25BHD - YYZ

2 stops31h 15mAer Lingus

Deal found 1/4£486

Wed 16/720:15BHD - YYZ

2 stops32h 14mFinnair

Deal found 1/4£2,310

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

BelfastToronto

BFS - YYZ

BFSYYZ

Belfast Intl

Tue 1/7

22:55-13:10

1 stop19h 15m

Toronto Pearson Intl

Tue 15/7

22:15-16:40

1 stop13h 25m

£392

BelfastToronto

BHD - YYZ

BHDYYZ

Belfast City

Fri 2/5

07:00-15:40

1 stop13h 40m

Toronto Pearson Intl

Thu 8/5

18:00-10:35

2 stops35h 35m

£481

BelfastToronto

BHD - YYZ

BHDYYZ

Belfast City

Fri 2/5

17:25-11:20

2 stops22h 55m

Toronto Pearson Intl

Thu 8/5

12:30-21:15

2 stops27h 45m

£498

BelfastToronto

BHD - YYZ

BHDYYZ

Belfast City

Fri 6/6

20:05-21:30

2 stops30h 25m

Toronto Pearson Intl

Tue 17/6

22:15-17:30

1 stop14h 15m

£523

BelfastToronto

BHD - YYZ

BHDYYZ

Belfast City

Tue 1/7

17:25-19:55

1 stop31h 30m

Toronto Pearson Intl

Tue 15/7

23:30-21:05

2 stops16h 35m

£571

BelfastToronto

BHD - YYZ

BHDYYZ

Belfast City

Thu 26/6

08:30-23:09

2 stops19h 39m

Toronto Pearson Intl

Wed 16/7

22:10-21:05

1 stop17h 55m

£616

BelfastToronto

BFS - YTZ

BFSYTZ

Belfast Intl

Thu 26/6

06:10-18:10

2 stops17h 00m

Toronto Island

Wed 16/7

16:40-20:35

2 stops22h 55m

£618

BelfastToronto

BHD - YTZ

BHDYTZ

Belfast City

Thu 3/7

07:05-19:57

2 stops17h 52m

Toronto Island

Mon 7/7

18:55-13:45

2 stops13h 50m

£632

BelfastToronto

BFS - YYZ

BFSYYZ

Belfast Intl

Mon 15/9

06:40-14:10

2 stops12h 30m

£247

BelfastToronto

BFS - YTZ

BFSYTZ

Belfast Intl

Fri 16/5

17:05-19:04

3 stops30h 59m

£333

Flights are sorted by cheapest return flights first.

Deals found on 1/4

Showing 1-10 of 13 results

Best time to book a flight from Belfast to Ontario

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

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

When flying from Belfast 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.

Rainfall in Ontario by month

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.

Temperature in Ontario by month

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).

Reviews of airlines servicing Ontario

Delta

8.0

Very Good

7,898 reviews

Check prices

Reviews

1 / 20

6.0

Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good

Delta

8.0

Very Good

7,898 reviews

Delta

8.0

Very Good

7,898 reviews

Check prices

Reviews

1 / 20

6.0

Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good

KLM

7.8

Good

1,323 reviews

Delta

8.0

Very Good

7,898 reviews

Check prices

Reviews

1 / 20

6.0

Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good

Finnair

7.6

Good

1,267 reviews

Delta

8.0

Very Good

7,898 reviews

Check prices

Reviews

1 / 20

6.0

Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good

Virgin Atlantic

7.4

Good

637 reviews

Delta

8.0

Very Good

7,898 reviews

Check prices

Reviews

1 / 20

6.0

Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good

Aer Lingus

7.0

Good

1,060 reviews

Delta

8.0

Very Good

7,898 reviews

Check prices

Reviews

1 / 20

6.0

Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good

Related info for your journey

What are the most popular routes from Belfast to Region of Ontario?
The most popular route from Belfast to Region of Ontario is Belfast Intl - Toronto Pearson Intl. You may also consider Belfast City - Toronto Pearson Intl or Belfast Intl - Toronto Island.
Can I find deals for flights from Belfast to Ontario that include hotel bookings?
Yes. In addition to deals on Belfast to Ontario flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Belfast to Ontario?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Belfast to Ontario.
Can I find deals for business class flights from Belfast to Ontario?
Yes. Cheapflights offers flight deals from Belfast 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.
What is the cheapest month to book a flight from Belfast to Region of Ontario?
Currently, January is the cheapest month in which you can book a flight from Belfast to Region of Ontario (average of £490). Flying from Belfast to Region of Ontario in July is currently the most expensive (average of £708). 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

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Belfast 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 City to Edmonton flights

Belfast Intl to Pierre Elliott Trudeau Intl flights

Belfast Intl to Calgary flights

Belfast City to Calgary flights

Complete your trip

Region of Ontario car hire

Toronto Pearson Intl Airport car hire

Ottawa Airport car hire

Toronto Island Airport car hire

Hamilton Airport car hire

London Airport car hire

Toronto Region of Waterloo Intl Airport car hire

Thunder Bay Airport car hire

Sault Ste Marie Airport car hire

Timmins Airport car hire

Kingston Airport car hire

North Bay Airport car hire

Top airline flying from Belfast to Ontario

Airline	Cheapest	Average	Flexibility	On-time
British Airways	Cheapest£437	Average£660	FlexibilityNo cancel fee	On-time70%	Search British Airways flights

Fly with Cheapflights

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

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Ontario from Belfast today with Cheapflights!

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

Millions of users choose and trust Cheapflights to book the best flight deals from Belfast to Ontario 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 Belfast to Ontario with no change fees?

Certainly. Search results for flights to Ontario from Belfast 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 Belfast to Ontario become cheaper?

Yes, Cheapflights offers price alerts on Belfast to Ontario flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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Cheap flights from Belfast to Ontario from £247

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 15/9. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Belfast to Ontario

Keep the following information in mind while searching for Belfast to Ontario flight deals. Data was last updated 2 April 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Belfast to Ontario

Cheapest flights from Belfast to OntarioExplore the most affordable flight options available from Belfast to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 2 April 2025.

Explore the most affordable flight options available from Belfast to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 2 April 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Belfast to Ontario

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

Cheapflights Insights

Everything you need to know about your flight from Belfast to Ontario

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

Find hourly flight availability from Belfast to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 2 April 2025.

Rainfall in Ontario by month

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

Temperature in Ontario by month

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

Reviews of airlines servicing Ontario

Related info for your journey

Find useful and relevant information for your journey from Belfast to Ontario. 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 Belfast to Region of Ontario?

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

How can I find direct flights from Belfast to Ontario?

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

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

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

Top airline flying from Belfast to Ontario

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

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

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

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

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Belfast to Ontario
Explore the most affordable flight options available from Belfast to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 2 April 2025.