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Cheap flights from Ontario to Belfast from C$ 327

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 3/6. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — BHD
9 Jun — 16 Jun1
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 10 May 2026.

Sun 7/610:15 p.m.
YYZ
-
BFS
1 stop15h 10m
Multiple Airlines
Mon 15/68:40 a.m.
BFS
-
YYZ
2 stops33h 40m
Multiple Airlines
Deal found 9/5C$ 736
Tue 2/66:45 a.m.
YUL
-
BFS
2 stops28h 35m
Multiple Airlines
Mon 15/69:55 p.m.
BFS
-
YUL
3 stops31h 30m
Multiple Airlines
Deal found 7/5C$ 781
Mon 8/610:15 p.m.
YYZ
-
BFS
1 stop19h 50m
Multiple Airlines
Sun 21/67:10 a.m.
BFS
-
YYZ
2 stops37h 40m
Multiple Airlines
Deal found 5/5C$ 788
Thu 4/67:35 a.m.
YYZ
-
BFS
2 stops30h 20m
Multiple Airlines
Thu 11/610:45 p.m.
BFS
-
YYZ
2 stops22h 05m
Multiple Airlines
Deal found 7/5C$ 812
Fri 5/610:15 p.m.
YYZ
-
BFS
1 stop13h 15m
Multiple Airlines
Tue 16/67:00 a.m.
BFS
-
YYZ
2 stops13h 50m
Multiple Airlines
Deal found 7/5C$ 816
Fri 5/610:15 p.m.
YYZ
-
BFS
1 stop13h 15m
Multiple Airlines
Thu 18/66:55 a.m.
BFS
-
YYZ
2 stops13h 55m
Multiple Airlines
Deal found 7/5C$ 822
Tue 2/67:15 p.m.
YYZ
-
BFS
1 stop16h 05m
Multiple Airlines
Mon 15/69:35 p.m.
BFS
-
YYZ
1 stop18h 25m
Multiple Airlines
Deal found 7/5C$ 823
Sat 6/610:15 p.m.
YYZ
-
BFS
1 stop29h 35m
Multiple Airlines
Fri 12/65:05 p.m.
BFS
-
YYZ
2 stops27h 45m
Multiple Airlines
Deal found 6/5C$ 826
Fri 5/66:15 p.m.
YYZ
-
BFS
3 stops22h 00m
Multiple Airlines
Fri 12/67:55 p.m.
BFS
-
YYZ
2 stops24h 55m
Multiple Airlines
Deal found 6/5C$ 829
Sat 6/611:50 p.m.
YYZ
-
BHD
1 stop28h 10m
Multiple Airlines
Fri 12/64:55 p.m.
BHD
-
YYZ
1 stop28h 05m
Multiple Airlines
Deal found 8/5C$ 853
Sat 6/611:50 p.m.
YYZ
-
BHD
1 stop28h 10m
Multiple Airlines
Sat 13/65:10 p.m.
BHD
-
YYZ
1 stop27h 50m
Multiple Airlines
Deal found 8/5C$ 861
Tue 2/67:40 p.m.
YOW
-
BFS
1 stop31h 00m
Multiple Airlines
Mon 15/68:15 a.m.
BFS
-
YOW
1 stop33h 25m
Multiple Airlines
Deal found 7/5C$ 863

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 10 May 2026.

Round-trip from

C$ 736

One-way from

C$ 327
7/6-15/6
  • 7/6-15/6
  • 3 total stops
  • 48h 50m total
  • Ontario to Belfast
Search Deals
3/6
  • 3/6
  • 1 total stop
  • 13h 00m 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 10 May 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

Sun 7/6

10:15 p.m.-6:25 p.m.

1 stop15h 10m

Belfast Intl

Mon 15/6

8:40 a.m.-1:20 p.m.

2 stops33h 40m

C$ 736

MontrealBelfast

YUL - BFS

YULBFS

Montreal Pierre Elliott Trudeau Intl

Tue 2/6

6:45 a.m.-4:20 p.m.

2 stops28h 35m

Belfast Intl

Mon 15/6

9:55 p.m.-12:25 a.m.

3 stops31h 30m

C$ 781

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Sat 6/6

7:05 a.m.-6:55 p.m.

2 stops30h 50m

Belfast Intl

Fri 12/6

7:55 p.m.-3:50 p.m.

2 stops24h 55m

C$ 823

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Tue 2/6

7:15 p.m.-4:20 p.m.

1 stop16h 05m

Belfast Intl

Mon 15/6

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

1 stop18h 25m

C$ 823

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Mon 7/9

7:15 p.m.-8:40 p.m.

1 stop20h 25m

Belfast Intl

Mon 14/9

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

1 stop18h 25m

C$ 826

TorontoBelfast

YYZ - BHD

YYZBHD

Toronto Pearson Intl

Sat 6/6

11:50 p.m.-9:00 a.m.

1 stop28h 10m

Belfast City

Fri 12/6

4:55 p.m.-4:00 p.m.

1 stop28h 05m

C$ 853

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Mon 8/6

7:15 p.m.-4:15 p.m.

1 stop16h 00m

Belfast Intl

Sun 21/6

9:25 p.m.-11:00 a.m.

1 stop18h 35m

C$ 861

OttawaBelfast

YOW - BFS

YOWBFS

Ottawa

Tue 2/6

7:40 p.m.-7:40 a.m.

1 stop31h 00m

Belfast Intl

Mon 15/6

8:15 a.m.-12:40 p.m.

1 stop33h 25m

C$ 863

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Sat 12/9

7:15 p.m.-8:50 p.m.

1 stop20h 35m

Belfast Intl

Sat 19/9

10:25 p.m.-11:00 a.m.

1 stop17h 35m

C$ 871

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Mon 31/8

7:15 p.m.-8:40 p.m.

1 stop20h 25m

Belfast Intl

Mon 7/9

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

1 stop18h 25m

C$ 876

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/5

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 16h 50m. 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 10 May 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapestC$ 813AverageC$ 1,214FlexibilityNo 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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