Find flights
When to book
FAQs

Cheap flights from Ontario to Belfast from £199

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 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — BHD
25 Apr — 2 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ontario to Belfast

Enter your travel dates to find the best prices.

Cheapest flights from Ontario to Belfast
Explore the most affordable flight options available from Ontario to Belfast. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 26 March 2026.

Fri 8/519:15
YYZ
-
BFS
2 stops23h 05m
Multiple Airlines
Fri 15/509:40
BFS
-
YYZ
3 stops41h 05m
Multiple Airlines
Deal found 24/3£456
Mon 25/521:35
YYZ
-
BFS
2 stops20h 45m
Multiple Airlines
Fri 5/619:55
BFS
-
YYZ
2 stops22h 15m
Multiple Airlines
Deal found 26/3£491
Mon 4/520:35
YUL
-
BFS
2 stops18h 50m
Multiple Airlines
Sat 30/506:20
BFS
-
YUL
1 stop12h 55m
Multiple Airlines
Deal found 23/3£492
Tue 26/522:05
YYZ
-
BFS
1 stop13h 15m
Multiple Airlines
Sat 30/507:20
BFS
-
YYZ
1 stop10h 50m
Multiple Airlines
Deal found 24/3£495
Mon 6/422:35
YYZ
-
BFS
1 stop28h 00m
Multiple Airlines
Tue 21/420:55
BFS
-
YYZ
1 stop24h 05m
Multiple Airlines
Deal found 23/3£500
Sun 3/519:15
YYZ
-
BFS
2 stops21h 40m
Multiple Airlines
Sun 17/519:35
BFS
-
YYZ
2 stops25h 15m
Multiple Airlines
Deal found 25/3£501
Thu 28/523:50
YYZ
-
BFS
1 stop16h 50m
Multiple Airlines
Fri 5/622:10
BFS
-
YYZ
1 stop22h 50m
Multiple Airlines
Deal found 21/3£503
Fri 22/519:15
YYZ
-
BFS
1 stop21h 35m
Multiple Airlines
Sun 31/521:25
BFS
-
YYZ
1 stop18h 35m
Multiple Airlines
Deal found 25/3£509
Mon 4/520:35
YUL
-
BHD
2 stops18h 55m
Multiple Airlines
Sat 30/507:00
BHD
-
YUL
1 stop12h 15m
Multiple Airlines
Deal found 23/3£512
Mon 27/422:35
YYZ
-
BFS
1 stop19h 35m
Multiple Airlines
Tue 12/516:40
BFS
-
YYZ
3 stops29h 35m
Multiple Airlines
Deal found 26/3£513
Wed 22/423:00
YUL
-
BFS
1 stop15h 35m
Multiple Airlines
Wed 29/406:15
BFS
-
YUL
1 stop19h 45m
Multiple Airlines
Deal found 24/3£528
Sun 7/622:05
YYZ
-
BHD
1 stop8h 50m
Multiple Airlines
Sun 21/612:50
BHD
-
YYZ
1 stop29h 20m
Multiple Airlines
Deal found 21/3£528

Find flight deals from Ontario to Belfast

Keep the following information in mind while searching for Ontario to Belfast flight deals. Data was last updated 26 March 2026.

Round-trip from

£432

One-way from

£199

Popular in

July

Cheapest in

February

Average price

£921
10/5-17/5
  • 10/5-17/5
  • 5 total stops
  • 58h 10m total
  • Ontario to Belfast
Search Deals
5/5
  • 5/5
  • 3 total stops
  • 16h 00m total
  • Ontario to Belfast
Search Deals
Highest demand for flights based on searches. 26% potential increase in price (£250 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 18% potential price decrease (£111 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Ontario to Belfast that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 26 March 2026.
Use the filters below to find and compare flights from Ontario to Belfast that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Fri 8/5

19:15-23:20

2 stops23h 05m

Belfast Intl

Fri 15/5

09:40-21:45

3 stops41h 05m

£456

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Mon 25/5

21:35-23:20

2 stops20h 45m

Belfast Intl

Fri 5/6

19:55-13:10

2 stops22h 15m

£491

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Mon 6/4

22:35-07:35

1 stop28h 00m

Belfast Intl

Tue 21/4

20:55-16:00

1 stop24h 05m

£500

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Tue 26/5

21:35-22:30

2 stops19h 55m

Belfast Intl

Sat 30/5

07:20-13:10

1 stop10h 50m

£502

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Thu 28/5

23:50-21:40

1 stop16h 50m

Belfast Intl

Fri 5/6

22:10-16:00

1 stop22h 50m

£503

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Fri 22/5

19:15-21:50

1 stop21h 35m

Belfast Intl

Sun 31/5

21:25-11:00

1 stop18h 35m

£509

MontrealBelfast

YUL - BFS

YULBFS

Montreal Pierre Elliott Trudeau Intl

Wed 22/4

23:00-19:35

1 stop15h 35m

Belfast Intl

Wed 29/4

06:15-21:00

1 stop19h 45m

£528

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Tue 21/7

19:15-22:15

1 stop22h 00m

Belfast Intl

Tue 11/8

22:45-11:00

1 stop17h 15m

£530

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Tue 1/9

19:15-16:20

1 stop16h 05m

Belfast Intl

Tue 8/9

21:15-11:00

1 stop18h 45m

£535

TorontoBelfast

YYZ - BHD

YYZBHD

Toronto Pearson Intl

Mon 6/4

22:35-20:30

1 stop16h 55m

Belfast City

Tue 21/4

14:20-16:00

1 stop30h 40m

£554

Flights are sorted by cheapest return flights first.

Deals found on 21/3

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
6

Best time to book a flight from Ontario to Belfast

Have a flexible travel schedule? Discover the best time to fly to Belfast from Ontario 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 Ontario to Belfast
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Belfast. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Region of Ontario to Belfast?

    There are many flights that can get you from Region of Ontario to Belfast in 9h 30m. Fly via Delta to get the fastest option. Region of Ontario and Belfast are separated by a distance of 2953 mi.

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

    While some choose either Toronto Pearson Intl - Belfast City or Montreal Pierre Elliott Trudeau Intl - Belfast Intl, Toronto Pearson Intl - Belfast Intl is the most popular route from Region of Ontario to Belfast.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Ontario to Belfast 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 Ontario to Belfast?

Cheapflights makes it easy to find Ontario to Belfast flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

Cheapflights helps you find that perfect flight to Belfast from Ontario by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Certainly. Search results for flights to Belfast 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 become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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.