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Cheap flights from Ontario to Belfast from $592

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
4:25 pm - 4:55 pmONT  Ontario-BHD Belfast City
17h 30m2 stops Phoenix Sky Harbor Intl London Heathrow
British Airways Logo
11:35 am - 10:13 pmBHD  Belfast City-ONT Ontario
18h 38m2 stops London Heathrow Phoenix Sky Harbor Intl
$906British Airways
Wed, Mar 24 - Wed, Mar 31
British Airways Logo
2:17 pm - 4:50 pmONT  Ontario-BHD Belfast City
18h 33m2 stops Dallas/Fort Worth London Heathrow
British Airways Logo
8:40 am - 10:06 pmBHD  Belfast City-ONT Ontario
21h 26m2 stops London Heathrow Charlotte Douglas
$1,145British Airways
Sun, Feb 28 - Wed, Mar 3
British Airways Logo
2:17 pm - 4:50 pmONT  Ontario-BHD Belfast City
18h 33m2 stops Dallas/Fort Worth London Heathrow
British Airways Logo
8:40 am - 10:06 pmBHD  Belfast City-ONT Ontario
21h 26m2 stops London Heathrow Charlotte Douglas
$1,146British Airways
Sun, Feb 28 - Wed, Mar 3
British Airways Logo
1:25 pm - 4:45 pmONT  Ontario-BHD Belfast City
19h 20m2 stops Dallas/Fort Worth London Heathrow
British Airways Logo
9:20 am - 9:50 pmBHD  Belfast City-ONT Ontario
20h 30m2 stops London Heathrow Dallas/Fort Worth
$1,256British Airways
Sat, Mar 6 - Sun, Mar 14
American Airlines Logo
12:51 pm - 3:55 pmONT  Ontario-BHD Belfast City
19h 04m2 stops Dallas/Fort Worth London Heathrow
American Airlines Logo
10:00 am - 10:54 pmBHD  Belfast City-ONT Ontario
20h 54m2 stops London Heathrow Charlotte Douglas
$1,307American Airlines
Mon, Dec 28 - Tue, Jan 5
American Airlines Logo
5:44 am - 10:50 amONT  Ontario-BHD Belfast City
21h 06m2 stops Dallas/Fort Worth London Heathrow
American Airlines Logo
10:00 am - 10:54 pmBHD  Belfast City-ONT Ontario
20h 54m2 stops London Heathrow Charlotte Douglas
$1,308American Airlines
Mon, Dec 28 - Tue, Jan 5
Multiple Airlines Logo
11:59 pm - 10:50 amONT  Ontario-BHD Belfast City
26h 51m2 stops Dallas/Fort Worth London Heathrow
Multiple Airlines Logo
2:20 pm - 3:33 pmBHD  Belfast City-ONT Ontario
57h 13m3 stops Manchester London Heathrow Seattle/Tacoma Intl
$1,372Multiple Airlines
Mon, Dec 28 - Tue, Jan 5
Multiple Airlines Logo
11:59 pm - 10:50 amONT  Ontario-BHD Belfast City
26h 51m2 stops Dallas/Fort Worth London Heathrow
Multiple Airlines Logo
10:00 am - 3:33 pmBHD  Belfast City-ONT Ontario
61h 33m3 stops Manchester London Heathrow Seattle/Tacoma Intl
$1,373Multiple Airlines
Mon, Dec 28 - Tue, Jan 5
British Airways Logo
4:25 pm - 6:50 pmONT  Ontario-BHD Belfast City
18h 25m2 stops Phoenix Sky Harbor Intl London Heathrow
British Airways Logo
11:40 am - 9:57 pmBHD  Belfast City-ONT Ontario
18h 17m2 stops London Heathrow Phoenix Sky Harbor Intl
$1,574British Airways
Sun, Dec 6 - Tue, Dec 22
British Airways Logo
10:34 am - 1:30 pmONT  Ontario-BHD Belfast City
18h 56m2 stops Dallas/Fort Worth London Heathrow
British Airways Logo
8:30 pm - 6:50 pmBHD  Belfast City-ONT Ontario
30h 20m2 stops London Heathrow Dallas/Fort Worth
$2,081British Airways
Sun, Dec 27 - Sun, Jan 3

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British Airways flights from Ontario to Belfast

Our best British Airways deals on Ontario to Belfast flight tickets
British Airways
Mar 24
ONT4:25 pmOntario
17h 30m
2 stops
BHD4:55 pmBelfast City
Mar 31
BHD11:35 amBelfast City
18h 38m
2 stops
ONT10:13 pmOntario
$906
British Airways
Feb 28
ONT2:17 pmOntario
18h 33m
2 stops
BHD4:50 pmBelfast City
Mar 3
BHD8:40 amBelfast City
21h 26m
2 stops
ONT10:06 pmOntario
$1,145
British Airways
Feb 28
ONT2:17 pmOntario
18h 33m
2 stops
BHD4:50 pmBelfast City
Mar 3
BHD8:40 amBelfast City
21h 26m
2 stops
ONT10:06 pmOntario
$1,146

American Airlines flights from Ontario to Belfast

Our best American Airlines deals on Ontario to Belfast flight tickets
American Airlines
Dec 28
ONT12:51 pmOntario
19h 04m
2 stops
BHD3:55 pmBelfast City
Jan 5
BHD10:00 amBelfast City
20h 54m
2 stops
ONT10:54 pmOntario
$1,307
American Airlines
Dec 28
ONT5:44 amOntario
21h 06m
2 stops
BHD10:50 amBelfast City
Jan 5
BHD10:00 amBelfast City
20h 54m
2 stops
ONT10:54 pmOntario
$1,308

momondo Fare Finder

 
Use the filters below to find and compare flights from Ontario to Belfast that are best for you.

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Route

Depart

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Price

Cheapest round-trip
Quickest round-trip

OntarioBelfast

ONT Ontario - BHD Belfast City

ONTBHD

Ontario

Wed 3/24

4:25 pm-4:55 pm

2 stops17h 30m

Belfast City

Wed 3/31

11:35 am-10:13 pm

2 stops18h 38m

$906

OntarioBelfast

ONT Ontario - BHD Belfast City

ONTBHD

Ontario

Sun 2/28

2:17 pm-4:50 pm

2 stops18h 33m

Belfast City

Wed 3/3

8:40 am-10:06 pm

2 stops21h 26m

$1,145

OntarioBelfast

ONT Ontario - BHD Belfast City

ONTBHD

Ontario

Sun 2/28

2:17 pm-4:50 pm

2 stops18h 33m

Belfast City

Wed 3/3

8:40 am-10:06 pm

2 stops21h 26m

$1,146

OntarioBelfast

ONT Ontario - BHD Belfast City

ONTBHD

Ontario

Sat 3/6

1:25 pm-4:45 pm

2 stops19h 20m

Belfast City

Sun 3/14

9:20 am-9:50 pm

2 stops20h 30m

$1,256

OntarioBelfast

ONT Ontario - BHD Belfast City

ONTBHD

Ontario

Mon 12/28

12:51 pm-3:55 pm

2 stops19h 04m

Belfast City

Tue 1/5

10:00 am-10:54 pm

2 stops20h 54m

$1,307

OntarioBelfast

ONT Ontario - BHD Belfast City

ONTBHD

Ontario

Mon 12/28

5:44 am-10:50 am

2 stops21h 06m

Belfast City

Tue 1/5

10:00 am-10:54 pm

2 stops20h 54m

$1,308

OntarioBelfast

ONT Ontario - BHD Belfast City

ONTBHD

Ontario

Mon 12/28

11:59 pm-10:50 am

2 stops26h 51m

Belfast City

Tue 1/5

2:20 pm-3:33 pm

3 stops57h 13m

$1,372

OntarioBelfast

ONT Ontario - BHD Belfast City

ONTBHD

Ontario

Mon 12/28

11:59 pm-10:50 am

2 stops26h 51m

Belfast City

Tue 1/5

10:00 am-3:33 pm

3 stops61h 33m

$1,373

OntarioBelfast

ONT Ontario - BHD Belfast City

ONTBHD

Ontario

Sun 12/6

4:25 pm-6:50 pm

2 stops18h 25m

Belfast City

Tue 12/22

11:40 am-9:57 pm

2 stops18h 17m

$1,574

OntarioBelfast

ONT Ontario - BHD Belfast City

ONTBHD

Ontario

Sun 12/27

10:34 am-1:30 pm

2 stops18h 56m

Belfast City

Sun 1/3

8:30 pm-6:50 pm

2 stops30h 20m

$2,081

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 11 resultsSorted by cheapest first
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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?

American Airlines 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

Best Price Found

$592

Fastest flight time

18h 05m

Direct flights

None
The best one-way flight to Belfast from Ontario in the past 72 hours is $592. The best round-trip flight deal from Ontario to Belfast found on momondo in the last 72 hours is $906.
The fastest flight from Ontario to Belfast takes 18h 05m
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 18h 05m.

  • 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.

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Find better results for your trip to the United Kingdom

Fly into one of these airports located in Belfast

Belfast Intl Airport
Belfast City Airport