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Cheap flights from Ontario to Belfast from C$ 348

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 22/10. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — BHD
7 Sep — 14 Sep1
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 8 August 2026.

Tue 15/97:15 p.m. -
1 stop19h 25m
Tue 22/99:15 p.m. -
1 stop18h 45m
Deal found 6/8C$ 792
Thu 15/109:35 p.m. -
2 stops19h 10m
Mon 19/108:20 a.m. -
2 stops34h 40m
Deal found 4/8C$ 853
Tue 13/1010:45 p.m. -
1 stop14h 05m
Sat 31/107:25 a.m. -
1 stop12h 35m
Deal found 4/8C$ 854
Sun 13/95:45 p.m. -
2 stops22h 15m
Sun 20/98:20 p.m. -
2 stops29h 40m
Deal found 4/8C$ 860
Sun 13/99:55 p.m. -
1 stop18h 05m
Sun 20/97:10 a.m. -
1 stop13h 50m
Deal found 4/8C$ 865
Tue 13/107:10 p.m. -
2 stops13h 50m
Sat 31/108:10 a.m. -
1 stop11h 50m
Deal found 4/8C$ 871
Wed 23/94:00 p.m. -
2 stops23h 15m
Thu 8/108:55 p.m. -
1 stop20h 45m
Deal found 7/8C$ 886
Sun 13/99:55 p.m. -
1 stop9h 00m
Sun 20/97:00 a.m. -
1 stop13h 40m
Deal found 4/8C$ 902
Wed 23/94:00 p.m. -
2 stops22h 40m
Thu 8/108:40 p.m. -
1 stop21h 00m
Deal found 7/8C$ 907
Tue 15/910:30 a.m. -
2 stops22h 30m
Tue 22/96:15 a.m. -
2 stops19h 00m
Deal found 6/8C$ 909
Wed 16/99:55 p.m. -
1 stop14h 10m
Sat 3/106:00 a.m. -
1 stop14h 40m
Deal found 7/8C$ 910
Wed 16/99:55 p.m. -
1 stop11h 35m
Sat 3/107:00 a.m. -
1 stop13h 40m
Deal found 7/8C$ 931

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 8 August 2026.

Round-trip from

C$ 792

One-way from

C$ 348
15/9-22/9
  • 15/9-22/9
  • 2 total stops
  • 38h 10m total
  • Ontario to Belfast
Search Deals
22/10
  • 22/10
  • 2 total stops
  • 37h 55m 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 8 August 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 Toronto Pearson Intl - BFS Belfast Intl

YYZBFS

Toronto Pearson Intl

Tue 15/9

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

1 stop19h 25m

Belfast Intl

Tue 22/9

9:15 p.m.-11:00 a.m.

1 stop18h 45m

C$ 792

TorontoBelfast

YYZ Toronto Pearson Intl - BHD Belfast City

YYZBHD

Toronto Pearson Intl

Tue 13/10

10:45 p.m.-5:50 p.m.

1 stop14h 05m

Belfast City

Sat 31/10

7:25 a.m.-4:00 p.m.

1 stop12h 35m

C$ 854

MontrealBelfast

YUL Montreal Pierre Elliott Trudeau Intl - BFS Belfast Intl

YULBFS

Montreal Pierre Elliott Trudeau Intl

Sun 13/9

5:45 p.m.-9:00 p.m.

2 stops22h 15m

Belfast Intl

Sun 20/9

8:20 p.m.-9:00 p.m.

2 stops29h 40m

C$ 860

TorontoBelfast

YYZ Toronto Pearson Intl - BFS Belfast Intl

YYZBFS

Toronto Pearson Intl

Thu 15/10

9:35 p.m.-9:45 p.m.

2 stops19h 10m

Belfast Intl

Mon 19/10

6:30 a.m.-2:10 p.m.

1 stop12h 40m

C$ 861

TorontoBelfast

YYZ Toronto Pearson Intl - BFS Belfast Intl

YYZBFS

Toronto Pearson Intl

Sun 13/9

11:50 p.m.-7:55 a.m.

1 stop27h 05m

Belfast Intl

Sun 20/9

10:10 p.m.-4:00 p.m.

1 stop22h 50m

C$ 868

TorontoBelfast

YYZ Toronto Pearson Intl - BHD Belfast City

YYZBHD

Toronto Pearson Intl

Sun 13/9

9:55 p.m.-11:55 a.m.

1 stop9h 00m

Belfast City

Sun 20/9

7:00 a.m.-3:40 p.m.

1 stop13h 40m

C$ 902

TorontoBelfast

YTZ Toronto Island - BFS Belfast Intl

YTZBFS

Toronto Island

Tue 15/9

10:30 a.m.-2:00 p.m.

2 stops22h 30m

Belfast Intl

Tue 22/9

6:15 a.m.-8:15 p.m.

2 stops19h 00m

C$ 909

TorontoBelfast

YYZ Toronto Pearson Intl - BFS Belfast Intl

YYZBFS

Toronto Pearson Intl

Wed 16/9

9:55 p.m.-5:05 p.m.

1 stop14h 10m

Belfast Intl

Sat 3/10

6:00 a.m.-3:40 p.m.

1 stop14h 40m

C$ 910

OttawaBelfast

YOW Ottawa - BFS Belfast Intl

YOWBFS

Ottawa

Wed 23/9

10:00 a.m.-5:55 p.m.

2 stops26h 55m

Belfast Intl

Thu 8/10

6:10 a.m.-8:05 a.m.

2 stops30h 55m

C$ 913

MontrealBelfast

YUL Montreal Pierre Elliott Trudeau Intl - BFS Belfast Intl

YULBFS

Montreal Pierre Elliott Trudeau Intl

Tue 15/9

10:05 p.m.-9:05 p.m.

1 stop18h 00m

Belfast Intl

Sat 26/9

6:20 a.m.-8:30 p.m.

2 stops19h 10m

C$ 967

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/8

Showing 1-10 of 54 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 12h 20m. Airlines will cover a distance of 5237 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 8 August 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapestC$ 993AverageC$ 1,482FlexibilityNo 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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