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Cheap flights from Ontario to Belfast from C$ 264

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 18/9. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — BHD
23 Jul — 30 Jul1
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 23 June 2026.

Sun 30/87:15 p.m.
YYZ
-
BFS
1 stop20h 45m
Multiple Airlines
Sat 12/910:25 p.m.
BFS
-
YYZ
1 stop17h 35m
Multiple Airlines
Deal found 21/6C$ 725
Mon 27/710:15 p.m.
YYZ
-
BFS
1 stop18h 20m
Multiple Airlines
Wed 12/83:40 p.m.
BFS
-
YYZ
3 stops35h 05m
Multiple Airlines
Deal found 18/6C$ 772
Tue 21/77:15 p.m.
YYZ
-
BFS
1 stop22h 00m
Multiple Airlines
Tue 28/710:45 p.m.
BFS
-
YYZ
1 stop17h 15m
Multiple Airlines
Deal found 21/6C$ 774
Mon 17/811:00 a.m.
YYZ
-
BFS
2 stops19h 15m
Multiple Airlines
Sat 22/86:55 a.m.
BFS
-
YYZ
1 stop12h 15m
Multiple Airlines
Deal found 20/6C$ 776
Mon 20/710:15 p.m.
YYZ
-
BFS
1 stop18h 20m
Multiple Airlines
Mon 27/78:35 p.m.
BFS
-
YYZ
2 stops30h 10m
Multiple Airlines
Deal found 22/6C$ 785
Tue 25/87:15 p.m.
YYZ
-
BFS
1 stop22h 00m
Multiple Airlines
Mon 31/89:35 p.m.
BFS
-
YYZ
1 stop18h 25m
Multiple Airlines
Deal found 20/6C$ 805
Mon 20/77:15 p.m.
YYZ
-
BHD
1 stop12h 00m
Multiple Airlines
Tue 4/812:45 p.m.
BHD
-
YYZ
1 stop27h 15m
Multiple Airlines
Deal found 19/6C$ 840
Mon 17/84:15 p.m.
YYZ
-
BHD
2 stops23h 35m
Multiple Airlines
Sat 22/87:00 a.m.
BHD
-
YYZ
1 stop12h 10m
Multiple Airlines
Deal found 18/6C$ 852
Tue 21/79:55 p.m.
YYZ
-
BHD
1 stop14h 50m
Multiple Airlines
Tue 28/73:30 p.m.
BHD
-
YYZ
1 stop24h 30m
Multiple Airlines
Deal found 21/6C$ 938
Sat 24/109:10 p.m.
YUL
-
BFS
1 stop12h 30m
Multiple Airlines
Fri 30/105:35 p.m.
BFS
-
YUL
1 stop24h 05m
Multiple Airlines
Deal found 22/6C$ 946
Tue 18/86:55 a.m.
YOW
-
BFS
2 stops29h 55m
Multiple Airlines
Tue 25/811:30 p.m.
BFS
-
YOW
3 stops29h 50m
Multiple Airlines
Deal found 19/6C$ 954
Mon 20/710:15 p.m.
YYZ
-
BHD
1 stop14h 50m
Multiple Airlines
Mon 27/73:30 p.m.
BHD
-
YYZ
1 stop24h 30m
Multiple Airlines
Deal found 22/6C$ 968

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 23 June 2026.

Round-trip from

C$ 725

One-way from

C$ 264
30/8-12/9
  • 30/8-12/9
  • 2 total stops
  • 38h 20m total
  • Ontario to Belfast
Search Deals
18/9
  • 18/9
  • 1 total stop
  • 29h 10m total
  • Ontario to Belfast
Search Deals

Cheapflights Fare Finder

 
Customize 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 629,999 searches. Data last updated 23 June 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 round-trip

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Mon 17/8

11:00 a.m.-11:15 a.m.

2 stops19h 15m

Belfast Intl

Sat 22/8

6:55 a.m.-2:10 p.m.

1 stop12h 15m

C$ 782

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Mon 27/7

10:15 p.m.-9:35 p.m.

1 stop18h 20m

Belfast Intl

Wed 12/8

5:55 a.m.-2:10 p.m.

1 stop13h 15m

C$ 796

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Tue 25/8

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

1 stop22h 00m

Belfast Intl

Mon 31/8

9:35 p.m.-11:00 a.m.

1 stop18h 25m

C$ 805

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Sat 18/7

11:05 p.m.-6:25 p.m.

2 stops38h 20m

Belfast Intl

Tue 28/7

5:55 a.m.-2:10 p.m.

1 stop13h 15m

C$ 835

TorontoBelfast

YYZ - BHD

YYZBHD

Toronto Pearson Intl

Mon 20/7

7:15 p.m.-12:15 p.m.

1 stop12h 00m

Belfast City

Tue 4/8

12:45 p.m.-11:00 a.m.

1 stop27h 15m

C$ 840

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Mon 20/7

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

1 stop22h 00m

Belfast Intl

Tue 4/8

10:45 p.m.-11:00 a.m.

1 stop17h 15m

C$ 844

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Wed 19/8

7:15 p.m.-6:45 a.m.

1 stop30h 30m

Belfast Intl

Mon 31/8

9:35 p.m.-11:00 a.m.

1 stop18h 25m

C$ 880

OttawaBelfast

YOW - BFS

YOWBFS

Ottawa

Tue 18/8

6:55 a.m.-5:50 p.m.

2 stops29h 55m

Belfast Intl

Tue 25/8

11:30 p.m.-12:20 a.m.

3 stops29h 50m

C$ 954

TorontoBelfast

YYZ - BHD

YYZBHD

Toronto Pearson Intl

Mon 27/7

7:15 p.m.-12:15 p.m.

1 stop12h 00m

Belfast City

Wed 12/8

12:15 p.m.-11:00 a.m.

1 stop27h 45m

C$ 973

MontrealBelfast

YUL - BFS

YULBFS

Montreal Pierre Elliott Trudeau Intl

Tue 14/7

6:45 a.m.-10:15 p.m.

2 stops34h 30m

Belfast Intl

Thu 23/7

8:20 a.m.-12:25 a.m.

2 stops21h 05m

C$ 1,024

Flights are sorted by cheapest round-trip flights first.

Deals found on 21/6

Showing 1-10 of 60 resultsSorted by cheapest first
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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 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
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?

    Departing from Region of Ontario to Belfast will take you 15h 33m. Airlines will cover a distance of 4752 km.

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

    The most popular flight routes from Region of Ontario to Belfast are Toronto Pearson Intl - Belfast Intl, Toronto Pearson Intl - Belfast City and Montreal Pierre Elliott Trudeau Intl - Belfast Intl.

  • 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 vacation 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

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Top airline flying from Ontario to Belfast

Discover the top airline that operate flights from Ontario to Belfast. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 23 June 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapestC$ 1,010AverageC$ 1,414FlexibilityNo cancel feeOn-time70%
Search British Airways flights

Fly with Cheapflights

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

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Ontario to Belfast. 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 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?

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

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

Yes! Start tracking prices for Ontario to Belfast flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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