Latest deals
Insights
FAQs
Price Alerts

Cheap flights from Northern Ireland to Los Angeles from $558

This is the cheapest one-way 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 9/17. 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 Northern Ireland to Los Angeles

Cheap round-trip flights

Enter your travel dates to find the best prices.
British Airways Logo
11:05 am - 11:52 pm
BHD
-
ONT
19h 47m
2 stops
British Airways Logo
2:59 pm - 4:40 pm
ONT
-
BHD
17h 41m
2 stops
$844British Airways
Thu, Oct 29 - Thu, Nov 5
British Airways Logo
7:40 am - 11:55 pm
BHD
-
ONT
24h 15m
2 stops
British Airways Logo
2:56 pm - 4:05 pm
ONT
-
BHD
17h 09m
2 stops
$878British Airways
Thu, Dec 3 - Mon, Dec 7
British Airways Logo
7:40 am - 11:55 pm
BHD
-
ONT
24h 15m
2 stops
British Airways Logo
2:56 pm - 4:05 pm
ONT
-
BHD
17h 09m
2 stops
$881British Airways
Thu, Dec 3 - Mon, Dec 7
British Airways Logo
11:30 am - 10:08 am
BHD
-
ONT
30h 38m
2 stops
British Airways Logo
12:57 pm - 6:40 pm
ONT
-
BHD
21h 43m
2 stops
$888British Airways
Fri, Jan 15 - Tue, Jan 19
British Airways Logo
11:30 am - 10:08 am
BHD
-
ONT
30h 38m
2 stops
British Airways Logo
12:57 pm - 6:40 pm
ONT
-
BHD
21h 43m
2 stops
$890British Airways
Fri, Jan 15 - Tue, Jan 19
British Airways Logo
11:30 am - 10:08 am
BHD
-
ONT
30h 38m
2 stops
British Airways Logo
12:57 pm - 6:40 pm
ONT
-
BHD
21h 43m
2 stops
$891British Airways
Fri, Jan 15 - Tue, Jan 19
British Airways Logo
8:25 pm - 6:17 pm
BHD
-
ONT
29h 52m
2 stops
British Airways Logo
2:22 pm - 6:55 pm
ONT
-
BHD
20h 33m
2 stops
$896British Airways
Tue, Sep 15 - Tue, Sep 29
British Airways Logo
7:10 pm - 10:32 pm
BHD
-
ONT
35h 22m
2 stops
British Airways Logo
10:29 am - 2:35 pm
ONT
-
BHD
20h 06m
2 stops
$1,516British Airways
Sun, Aug 2 - Sun, Aug 30
KLM Logo
9:50 am - 10:45 pm
BHD
-
ONT
20h 55m
2 stops
KLM Logo
7:05 am - 9:20 am
ONT
-
BHD
18h 15m
2 stops
$4,802KLM
Mon, Aug 17 - Mon, Aug 24

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 Northern Ireland to Ontario

Our best British Airways deals on Northern Ireland to Ontario flight tickets
British Airways
Oct 29
BHD11:05 amBelfast City
19h 47m
2 stops
ONT11:52 pmOntario
Nov 5
ONT2:59 pmOntario
17h 41m
2 stops
BHD4:40 pmBelfast City
$844
British Airways
Dec 3
BHD7:40 amBelfast City
24h 15m
2 stops
ONT11:55 pmOntario
Dec 7
ONT2:56 pmOntario
17h 09m
2 stops
BHD4:05 pmBelfast City
$878
British Airways
Dec 3
BHD7:40 amBelfast City
24h 15m
2 stops
ONT11:55 pmOntario
Dec 7
ONT2:56 pmOntario
17h 09m
2 stops
BHD4:05 pmBelfast City
$881

KLM flights from Northern Ireland to Ontario

Our best KLM deals on Northern Ireland to Ontario flight tickets
KLM
Jul 26
BHD9:50 amBelfast City
21h 02m
2 stops
ONT10:52 pmOntario
Aug 2
ONT9:40 amOntario
23h 15m
2 stops
BHD4:55 pmBelfast City
$1,796
KLM
Aug 17
BHD9:50 amBelfast City
20h 55m
2 stops
ONT10:45 pmOntario
Aug 24
ONT7:05 amOntario
18h 15m
2 stops
BHD9:20 amBelfast City
$4,802

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 July 22, 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
Quickest round-trip

BelfastOntario

BHD - ONT

BHDONT

Belfast City

Thu 10/29

11:05 am-11:52 pm

2 stops19h 47m

Ontario

Thu 11/5

2:59 pm-4:40 pm

2 stops17h 41m

$844

BelfastOntario

BHD - ONT

BHDONT

Belfast City

Thu 12/3

7:40 am-11:55 pm

2 stops24h 15m

Ontario

Mon 12/7

2:56 pm-4:05 pm

2 stops17h 09m

$878

BelfastOntario

BHD - ONT

BHDONT

Belfast City

Thu 12/3

7:40 am-11:55 pm

2 stops24h 15m

Ontario

Mon 12/7

2:56 pm-4:05 pm

2 stops17h 09m

$881

BelfastOntario

BHD - ONT

BHDONT

Belfast City

Fri 1/15

11:30 am-10:08 am

2 stops30h 38m

Ontario

Tue 1/19

12:57 pm-6:40 pm

2 stops21h 43m

$888

BelfastOntario

BHD - ONT

BHDONT

Belfast City

Fri 1/15

11:30 am-10:08 am

2 stops30h 38m

Ontario

Tue 1/19

12:57 pm-6:40 pm

2 stops21h 43m

$890

BelfastOntario

BHD - ONT

BHDONT

Belfast City

Fri 1/15

11:30 am-10:08 am

2 stops30h 38m

Ontario

Tue 1/19

12:57 pm-6:40 pm

2 stops21h 43m

$891

BelfastOntario

BHD - ONT

BHDONT

Belfast City

Tue 9/15

8:25 pm-6:17 pm

2 stops29h 52m

Ontario

Tue 9/29

2:22 pm-6:55 pm

2 stops20h 33m

$896

BelfastOntario

BHD - ONT

BHDONT

Belfast City

Sun 8/2

7:10 pm-10:32 pm

2 stops35h 22m

Ontario

Sun 8/30

10:29 am-2:35 pm

2 stops20h 06m

$1,516

BelfastOntario

BHD - ONT

BHDONT

Belfast City

Mon 8/17

9:50 am-10:45 pm

2 stops20h 55m

Ontario

Mon 8/24

7:05 am-9:20 am

2 stops18h 15m

$4,802
Cheapest one-way
Quickest one-way

BelfastOntario

BHD - ONT

BHDONT

Belfast City

Thu 9/17

8:35 pm-10:37 pm

2 stops34h 02m

$558

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

21h 02m

Direct flights

None
The fastest flight from Northern Ireland to Ontario takes 21h 02m
There are no direct flights from Northern Ireland to Ontario. There are no popular flight routes from Northern Ireland to Ontario.
Search flight deals

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.

An easier way to manage your Ontario 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
Fri 8/21
Fri 8/28
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States