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Cheap flights from Ontario to Belfast from £151

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Belfast departing on 3/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
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Find the cheapest flights from Ontario to Belfast

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
22:15 - 17:25
YYZ
-
BFS
14h 10m
1 stop
Multiple Airlines Logo
16:40 - 10:00
BFS
-
YYZ
46h 20m
3 stops
£354Multiple Airlines
Sun, 7 Jun - Tue, 16 Jun
Multiple Airlines Logo
22:15 - 17:25
YYZ
-
BFS
14h 10m
1 stop
Multiple Airlines Logo
16:40 - 10:00
BFS
-
YYZ
46h 20m
3 stops
£362Multiple Airlines
Sun, 7 Jun - Tue, 16 Jun
Multiple Airlines Logo
22:15 - 23:20
YYZ
-
BFS
20h 05m
2 stops
Multiple Airlines Logo
18:50 - 17:10
BFS
-
YYZ
27h 20m
3 stops
£375Multiple Airlines
Mon, 8 Jun - Mon, 15 Jun
Multiple Airlines Logo
22:15 - 20:40
YYZ
-
BFS
17h 25m
1 stop
Multiple Airlines Logo
10:50 - 17:10
BFS
-
YYZ
35h 20m
3 stops
£385Multiple Airlines
Mon, 8 Jun - Mon, 15 Jun
Multiple Airlines Logo
19:15 - 21:00
YYZ
-
BFS
20h 45m
1 stop
Multiple Airlines Logo
21:15 - 11:00
BFS
-
YYZ
18h 45m
1 stop
£390Multiple Airlines
Sun, 7 Jun - Tue, 16 Jun
British Airways Logo
22:00 - 15:30
YUL
-
BHD
12h 30m
1 stop
British Airways Logo
20:10 - 20:15
BHD
-
YUL
29h 05m
1 stop
£755British Airways
Mon, 8 Jun - Sun, 21 Jun
British Airways Logo
22:00 - 15:20
YUL
-
BHD
12h 20m
1 stop
British Airways Logo
19:30 - 20:15
BHD
-
YUL
29h 45m
1 stop
£755British Airways
Tue, 2 Jun - Tue, 16 Jun
KLM Logo
17:25 - 16:55
YOW
-
BHD
18h 30m
2 stops
KLM Logo
17:30 - 15:00
BHD
-
YOW
26h 30m
2 stops
£937KLM
Tue, 15 Sep - Sun, 27 Sep
Aer Lingus Logo
12:00 - 13:50
YOW
-
BHD
20h 50m
3 stops
Aer Lingus Logo
17:05 - 22:05
BHD
-
YOW
34h 00m
3 stops
£1,018Aer Lingus
Fri, 5 Jun - Mon, 15 Jun
Aer Lingus Logo
12:00 - 13:50
YOW
-
BHD
20h 50m
3 stops
Aer Lingus Logo
17:05 - 22:05
BHD
-
YOW
34h 00m
3 stops
£1,018Aer Lingus
Fri, 5 Jun - Mon, 15 Jun

Aer Lingus flights from Region of Ontario to Belfast

Our best Aer Lingus deals on Region of Ontario to Belfast flight tickets
Aer Lingus
13 Jun
YYZ17:35Toronto Pearson Intl
22h 30m
2 stops
BHD21:05Belfast City
20 Jun
BHD18:20Belfast City
50h 30m
2 stops
YYZ15:50Toronto Pearson Intl
£755
Aer Lingus
6 Jun
YYZ17:35Toronto Pearson Intl
15h 15m
2 stops
BHD13:50Belfast City
13 Jun
BHD18:30Belfast City
26h 20m
2 stops
YYZ15:50Toronto Pearson Intl
£775
Aer Lingus
6 Jun
YYZ17:35Toronto Pearson Intl
15h 15m
2 stops
BHD13:50Belfast City
13 Jun
BHD18:30Belfast City
26h 20m
2 stops
YYZ15:50Toronto Pearson Intl
£776

American Airlines flights from Region of Ontario to Belfast

Our best American Airlines deals on Region of Ontario to Belfast flight tickets
American Airlines
2 Jul
YUL17:30Montreal Pierre Elliott Trudeau Intl
17h 00m
2 stops
BHD15:30Belfast City
15 Jul
BHD11:35Belfast City
13h 40m
1 stop
YUL20:15Montreal Pierre Elliott Trudeau Intl
£945
American Airlines
25 Jun
YUL14:34Montreal Pierre Elliott Trudeau Intl
14h 36m
2 stops
BHD10:10Belfast City
8 Jul
BHD06:30Belfast City
20h 14m
2 stops
YUL21:44Montreal Pierre Elliott Trudeau Intl
£966
American Airlines
25 Jun
YUL14:34Montreal Pierre Elliott Trudeau Intl
14h 36m
2 stops
BHD10:10Belfast City
8 Jul
BHD06:30Belfast City
18h 45m
1 stop
YUL20:15Montreal Pierre Elliott Trudeau Intl
£973

momondo Fare Finder

 
Customise your flight search to find flights from Region of 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, momondo users made 279,928 searches. Data last updated 21 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 return flight

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Sun 7/6

22:15-17:25

1 stop14h 10m

Belfast Intl

Tue 16/6

16:40-10:00

3 stops46h 20m

£354

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Sun 7/6

22:15-17:25

1 stop14h 10m

Belfast Intl

Tue 16/6

16:40-10:00

3 stops46h 20m

£362

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Mon 8/6

22:15-23:20

2 stops20h 05m

Belfast Intl

Mon 15/6

18:50-17:10

3 stops27h 20m

£375

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Mon 8/6

22:15-20:40

1 stop17h 25m

Belfast Intl

Mon 15/6

10:50-17:10

3 stops35h 20m

£385
Fastest return journey

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Sun 7/6

19:15-21:00

1 stop20h 45m

Belfast Intl

Tue 16/6

21:15-11:00

1 stop18h 45m

£390

MontrealBelfast

YUL - BHD

YULBHD

Montreal Pierre Elliott Trudeau Intl

Mon 8/6

22:00-15:30

1 stop12h 30m

Belfast City

Sun 21/6

20:10-20:15

1 stop29h 05m

£755

MontrealBelfast

YUL - BHD

YULBHD

Montreal Pierre Elliott Trudeau Intl

Tue 2/6

22:00-15:20

1 stop12h 20m

Belfast City

Tue 16/6

19:30-20:15

1 stop29h 45m

£755

OttawaBelfast

YOW - BHD

YOWBHD

Ottawa

Tue 15/9

17:25-16:55

2 stops18h 30m

Belfast City

Sun 27/9

17:30-15:00

2 stops26h 30m

£937

OttawaBelfast

YOW - BHD

YOWBHD

Ottawa

Fri 5/6

12:00-13:50

3 stops20h 50m

Belfast City

Mon 15/6

17:05-22:05

3 stops34h 00m

£1,018

OttawaBelfast

YOW - BHD

YOWBHD

Ottawa

Fri 5/6

12:00-13:50

3 stops20h 50m

Belfast City

Mon 15/6

17:05-22:05

3 stops34h 00m

£1,018

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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See travel insights to Belfast from

How to get the cheapest flight ticket from Region of Ontario to Belfast

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Ontario to Belfast?

Delta and Air France are the most popular carriers operating from Ontario to Belfast

Cheap Region of Ontario to Belfast flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Region of Ontario to Belfast

Fastest flight time

9h 45m

Direct flights

None
The fastest flight from Region of Ontario to Belfast takes 9h 45m
There are no direct flights from Region of Ontario to Belfast. There are no popular flight routes from Region of Ontario to Belfast.
Search flight deals

Frequently asked questions about flying from Ontario to Belfast

  • When did momondo last update prices for flights from Ontario to Belfast?

    Prices for flights from Ontario to Belfast refresh daily.

  • How many operators does momondo search for flights from Ontario to Belfast?

  • How old do you have to be to fly from Ontario to Belfast?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario to Belfast.

  • What documentation or ID do you need to fly to Belfast?

    The travel and health documents you'll need for your trip to Belfast may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Belfast. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Belfast?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Belfast from Ontario.

Can I find flights from Ontario to Belfast with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Ontario to Belfast flights to just show those with flexible booking policies.

How can momondo help me find flights from Ontario to Belfast?

Once all potential Ontario to Belfast flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Ontario to Belfast right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Belfast from Ontario. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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Find better results for your trip to the United Kingdom

Fly into one of these airports located in Belfast

Airports listed have a maximum distance of 12.2 mi from Belfast
Belfast Intl Airport
Belfast City Airport