Latest deals
Insights
FAQs
Price Alerts

Cheap flights from Ontario to Belfast from $501

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 9/10. 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
1 adult, Economy, 0 bags

Find the cheapest flights from Ontario to Belfast

Cheap round-trip flights

Enter your travel dates to find the best prices.
British Airways Logo
4:59 pm - 8:35 pm
ONT
-
BHD
19h 36m
2 stops
British Airways Logo
9:10 am - 11:06 pm
BHD
-
ONT
20h 56m
2 stops
$1,035British Airways
Fri, Oct 16 - Sun, Oct 25
British Airways Logo
12:37 pm - 1:35 pm
ONT
-
BHD
16h 58m
2 stops
British Airways Logo
9:35 am - 8:09 pm
BHD
-
ONT
18h 34m
2 stops
$1,071British Airways
Wed, Sep 23 - Fri, Oct 2
British Airways Logo
10:25 am - 10:15 am
ONT
-
BHD
16h 50m
2 stops
British Airways Logo
11:30 am - 10:23 pm
BHD
-
ONT
18h 53m
2 stops
$1,143British Airways
Wed, Oct 28 - Mon, Nov 2
British Airways Logo
12:35 pm - 2:35 pm
ONT
-
BHD
18h 00m
2 stops
British Airways Logo
11:25 am - 11:06 pm
BHD
-
ONT
18h 41m
2 stops
$1,246British Airways
Sun, Jul 19 - Tue, Oct 27
KLM Logo
7:05 am - 9:20 am
ONT
-
BHD
18h 15m
2 stops
KLM Logo
9:50 am - 7:53 pm
BHD
-
ONT
18h 03m
2 stops
$3,038KLM
Tue, Aug 4 - Tue, Aug 11

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

British Airways flights from Ontario to Belfast

Our best British Airways deals on Ontario to Belfast flight tickets
British Airways
Oct 16
ONT4:59 pmOntario
19h 36m
2 stops
BHD8:35 pmBelfast City
Oct 25
BHD9:10 amBelfast City
20h 56m
2 stops
ONT11:06 pmOntario
$1,035
British Airways
Sep 23
ONT12:37 pmOntario
16h 58m
2 stops
BHD1:35 pmBelfast City
Oct 2
BHD9:35 amBelfast City
18h 34m
2 stops
ONT8:09 pmOntario
$1,071
British Airways
Oct 28
ONT10:25 amOntario
16h 50m
2 stops
BHD10:15 amBelfast City
Nov 2
BHD11:30 amBelfast City
18h 53m
2 stops
ONT10:23 pmOntario
$1,143

momondo 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, momondo users made 832,500 searches. Data last updated June 15, 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

OntarioBelfast

ONT - BHD

ONTBHD

Ontario

Fri 10/16

4:59 pm-8:35 pm

2 stops19h 36m

Belfast City

Sun 10/25

9:10 am-11:06 pm

2 stops20h 56m

$1,035
Quickest round-trip

OntarioBelfast

ONT - BHD

ONTBHD

Ontario

Wed 9/23

12:37 pm-1:35 pm

2 stops16h 58m

Belfast City

Fri 10/2

9:35 am-8:09 pm

2 stops18h 34m

$1,071

OntarioBelfast

ONT - BHD

ONTBHD

Ontario

Wed 10/28

10:25 am-10:15 am

2 stops16h 50m

Belfast City

Mon 11/2

11:30 am-10:23 pm

2 stops18h 53m

$1,143

OntarioBelfast

ONT - BHD

ONTBHD

Ontario

Sun 7/19

12:35 pm-2:35 pm

2 stops18h 00m

Belfast City

Tue 10/27

11:25 am-11:06 pm

2 stops18h 41m

$1,246

OntarioBelfast

ONT - BHD

ONTBHD

Ontario

Tue 8/4

7:05 am-9:20 am

2 stops18h 15m

Belfast City

Tue 8/11

9:50 am-7:53 pm

2 stops18h 03m

$3,038
Cheapest one-way
Quickest one-way

OntarioBelfast

ONT - BHD

ONTBHD

Ontario

Thu 9/10

2:22 pm-6:45 pm

2 stops20h 23m

$501

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Belfast from

How to get the cheapest flight ticket from 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?

British Airways is the most popular carrier operating from Ontario to Belfast

Cheap Ontario to Belfast flight deals and tips

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

Fastest flight time

16h 50m

Direct flights

None
The fastest flight from Ontario to Belfast takes 16h 50m
There are no direct flights from Ontario to Belfast. There are no popular flight routes from Ontario to Belfast.
Search flight deals

Frequently asked questions about flying from Ontario to Belfast

  • How far is Ontario to Belfast by plane?

    The straight-line distance from Ontario to Belfast is 5095.8 mi. By plane, this route typically takes 16h 50m.

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

    Prices for flights from Ontario Airport to Belfast are refreshed on a daily basis.

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Belfast.

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

    The required travel and health documents for your Belfast trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Belfast. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

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

Finding the right flight to Belfast from Ontario is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Belfast quick and easy, saving you time and money.

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

Yes. momondo enables you to select and highlight flights to Belfast from Ontario with this policy.

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.

An easier way to manage your Belfast trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Wed 7/15
Wed 7/22
By creating a price alert you accept our terms of use and privacy policy.

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