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Cheap flights from Northern Ireland to Los Angeles from $969

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Northern Ireland to Los Angeles departing on 9/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Northern Ireland to Los Angeles

Cheap round-trip flights

Enter your travel dates to find the best prices.
British Airways Logo
10:05 am - 9:12 pm
BHD
-
ONT
19h 07m
2 stops
British Airways Logo
4:07 pm - 6:10 pm
ONT
-
BHD
18h 03m
2 stops
$969British Airways
Wed, Sep 2 - Fri, Sep 11
KLM Logo
5:30 pm - 5:21 pm
BHD
-
ONT
31h 51m
3 stops
KLM Logo
6:20 am - 4:55 pm
ONT
-
BHD
26h 35m
3 stops
$2,348KLM
Fri, Jul 24 - Fri, Jul 31
KLM Logo
9:50 am - 9:50 pm
BHD
-
ONT
20h 00m
2 stops
KLM Logo
5:10 pm - 4:55 pm
ONT
-
BHD
15h 45m
2 stops
$3,538KLM
Fri, Jul 24 - Fri, Jul 31

British Airways flights from Northern Ireland to Ontario

Our best British Airways deals on Northern Ireland to Ontario flight tickets
British Airways
Sep 2
BHD10:05 amBelfast City
19h 07m
2 stops
ONT9:12 pmOntario
Sep 11
ONT4:07 pmOntario
18h 03m
2 stops
BHD6:10 pmBelfast City
$969
British Airways
Jun 11
BHD9:35 amBelfast City
18h 21m
2 stops
ONT7:56 pmOntario
Jun 17
ONT12:37 pmOntario
16h 58m
2 stops
BHD1:35 pmBelfast City
$1,363

KLM flights from Northern Ireland to Ontario

Our best KLM deals on Northern Ireland to Ontario flight tickets
KLM
Jul 24
BHD5:30 pmBelfast City
31h 51m
3 stops
ONT5:21 pmOntario
Jul 31
ONT6:20 amOntario
26h 35m
3 stops
BHD4:55 pmBelfast City
$2,348
KLM
Jul 24
BHD9:50 amBelfast City
20h 00m
2 stops
ONT9:50 pmOntario
Jul 31
ONT5:10 pmOntario
15h 45m
2 stops
BHD4:55 pmBelfast City
$3,538

momondo Fare Finder

 
Customize your flight search to find flights from Northern Ireland to Ontario 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 2, 2026.
Use the filters below to find and compare flights from Northern Ireland to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BelfastOntario

BHD - ONT

BHDONT

Belfast City

Wed 9/2

10:05 am-9:12 pm

2 stops19h 07m

Ontario

Fri 9/11

4:07 pm-6:10 pm

2 stops18h 03m

$969

BelfastOntario

BHD - ONT

BHDONT

Belfast City

Fri 7/24

5:30 pm-5:21 pm

3 stops31h 51m

Ontario

Fri 7/31

6:20 am-4:55 pm

3 stops26h 35m

$2,348
Quickest round-trip

BelfastOntario

BHD - ONT

BHDONT

Belfast City

Fri 7/24

9:50 am-9:50 pm

2 stops20h 00m

Ontario

Fri 7/31

5:10 pm-4:55 pm

2 stops15h 45m

$3,538
Cheapest one-way
Quickest one-way

BelfastOntario

BHD - ONT

BHDONT

Belfast City

Mon 6/29

9:40 am-7:56 pm

2 stops18h 16m

$1,566

BelfastOntario

BHD - ONT

BHDONT

Belfast City

Mon 6/29

9:40 am-7:56 pm

2 stops18h 16m

$1,569

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Los Angeles from

How to get the cheapest flight ticket from Northern Ireland to Ontario

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 Northern Ireland to Ontario?

British Airways is the most popular carrier operating from Northern Ireland to Ontario

Cheap Northern Ireland to Ontario flight deals and tips

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

Fastest flight time

18h 21m

Direct flights

None
The fastest flight from Northern Ireland to Ontario takes 18h 21m
There are no direct flights from Northern Ireland to Ontario. There are no popular flight routes from Northern Ireland to Ontario.
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Frequently asked questions about flying from Northern Ireland to Ontario

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

    Prices for flights from Northern Ireland to Ontario Airport are updated daily.

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

    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 Northern Ireland to Ontario Airport.

  • What documentation or ID do you need to fly to Ontario Airport?

    The necessary travel and health documents for your Ontario Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking 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 Northern Ireland to Ontario?

It is quick and easy to find Northern Ireland to Ontario flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Ontario that suits you.

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

momondo does allow users to show only those flights to Ontario from Northern Ireland which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Northern Ireland to Ontario?

momondo helps you find the best flight between Northern Ireland and Ontario by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Of course. momondo tracks the price of Northern Ireland to Ontario flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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