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Cheap flights from Ireland to Los Angeles from $515

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Ireland to Los Angeles departing on 2/25. 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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Find the cheapest flights from Ireland to Los Angeles

Recent round-trip flight deals from Ireland to Los Angeles

Enter your travel dates to find the best prices.
American Airlines Logo
11:30 am - 10:06 am
DUB
-
ONT
30h 36m
2 stops
American Airlines Logo
7:00 am - 8:40 am
ONT
-
DUB
17h 40m
2 stops
$515American Airlines
Wed, Feb 25 - Sun, Mar 1
British Airways Logo
8:05 pm - 6:42 pm
DUB
-
ONT
30h 37m
2 stops
British Airways Logo
2:39 pm - 6:35 pm
ONT
-
DUB
19h 56m
2 stops
$571British Airways
Wed, Feb 25 - Sun, Mar 1
British Airways Logo
11:45 am - 9:24 pm
DUB
-
ONT
17h 39m
1 stop
British Airways Logo
10:59 am - 9:45 am
ONT
-
DUB
14h 46m
1 stop
$638British Airways
Thu, Apr 2 - Tue, Apr 7
Multiple Airlines Logo
12:30 pm - 10:57 pm
DUB
-
ONT
18h 27m
1 stop
Multiple Airlines Logo
6:09 am - 12:25 pm
ONT
-
DUB
22h 16m
1 stop
$675Multiple Airlines
Wed, Feb 25 - Sun, Mar 1
KLM Logo
5:55 am - 9:05 pm
DUB
-
ONT
23h 10m
2 stops
KLM Logo
10:20 pm - 7:45 am
ONT
-
DUB
25h 25m
1 stop
$701KLM
Wed, Feb 25 - Sun, Mar 1
United Airlines Logo
9:00 am - 9:59 pm
DUB
-
ONT
20h 59m
2 stops
United Airlines Logo
9:06 pm - 7:30 am
ONT
-
DUB
26h 24m
2 stops
$704United Airlines
Fri, Feb 27 - Mon, Mar 2
United Airlines Logo
9:00 am - 9:59 pm
DUB
-
ONT
20h 59m
2 stops
United Airlines Logo
5:00 am - 9:55 am
ONT
-
DUB
20h 55m
2 stops
$708United Airlines
Fri, Feb 27 - Mon, Mar 2
British Airways Logo
11:10 am - 10:30 pm
DUB
-
ONT
19h 20m
2 stops
British Airways Logo
2:08 pm - 2:50 pm
ONT
-
DUB
16h 42m
2 stops
$721British Airways
Thu, Apr 2 - Tue, Apr 7
Iberia Logo
9:30 am - 10:30 pm
DUB
-
ONT
21h 00m
1 stop
Iberia Logo
10:56 am - 9:45 am
ONT
-
DUB
14h 49m
1 stop
$901Iberia
Thu, Apr 2 - Mon, Apr 6
Multiple Airlines Logo
7:10 am - 7:52 pm
ORK
-
ONT
20h 42m
2 stops
Multiple Airlines Logo
11:59 pm - 11:10 am
ONT
-
ORK
27h 11m
2 stops
$2,849Multiple Airlines
Wed, Jul 22 - Thu, Dec 17

United Airlines flights from Ireland to Ontario

Our best United Airlines deals on Ireland to Ontario flight tickets
United Airlines
Feb 27
DUB9:00 amDublin
20h 59m
2 stops
ONT9:59 pmOntario
Mar 2
ONT6:37 pmOntario
31h 43m
2 stops
DUB10:20 amDublin
$704
United Airlines
Feb 27
DUB9:00 amDublin
20h 59m
2 stops
ONT9:59 pmOntario
Mar 2
ONT5:00 amOntario
20h 55m
2 stops
DUB9:55 amDublin
$708
United Airlines
Feb 27
DUB12:05 pmDublin
18h 52m
2 stops
ONT10:57 pmOntario
Mar 6
ONT6:15 amOntario
19h 40m
2 stops
DUB9:55 amDublin
$843

British Airways flights from Ireland to Ontario

Our best British Airways deals on Ireland to Ontario flight tickets
British Airways
Feb 25
DUB8:05 pmDublin
30h 37m
2 stops
ONT6:42 pmOntario
Mar 1
ONT2:39 pmOntario
19h 56m
2 stops
DUB6:35 pmDublin
$571
British Airways
Apr 2
DUB11:45 amDublin
17h 39m
1 stop
ONT9:24 pmOntario
Apr 7
ONT10:59 amOntario
14h 46m
1 stop
DUB9:45 amDublin
$638
British Airways
Apr 2
DUB11:10 amDublin
19h 20m
2 stops
ONT10:30 pmOntario
Apr 7
ONT2:08 pmOntario
16h 42m
2 stops
DUB2:50 pmDublin
$721

momondo Fare Finder

 
Customize your flight search to find flights from 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 February 11, 2026.
Use the filters below to find and compare flights from Ireland to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DublinOntario

DUB - ONT

DUBONT

Dublin

Wed 2/25

11:30 am-10:06 am

2 stops30h 36m

Ontario

Sun 3/1

7:00 am-8:40 am

2 stops17h 40m

$515

DublinOntario

DUB - ONT

DUBONT

Dublin

Wed 2/25

8:05 pm-6:42 pm

2 stops30h 37m

Ontario

Sun 3/1

2:39 pm-6:35 pm

2 stops19h 56m

$571

DublinOntario

DUB - ONT

DUBONT

Dublin

Thu 4/2

11:45 am-9:24 pm

1 stop17h 39m

Ontario

Tue 4/7

10:59 am-9:45 am

1 stop14h 46m

$638

DublinOntario

DUB - ONT

DUBONT

Dublin

Wed 2/25

12:30 pm-10:57 pm

1 stop18h 27m

Ontario

Sun 3/1

6:09 am-12:25 pm

1 stop22h 16m

$675

DublinOntario

DUB - ONT

DUBONT

Dublin

Wed 2/25

5:55 am-9:05 pm

2 stops23h 10m

Ontario

Sun 3/1

10:20 pm-7:45 am

1 stop25h 25m

$701

DublinOntario

DUB - ONT

DUBONT

Dublin

Fri 2/27

9:00 am-9:59 pm

2 stops20h 59m

Ontario

Mon 3/2

9:06 pm-7:30 am

2 stops26h 24m

$704

DublinOntario

DUB - ONT

DUBONT

Dublin

Fri 2/27

9:00 am-9:59 pm

2 stops20h 59m

Ontario

Mon 3/2

5:00 am-9:55 am

2 stops20h 55m

$708

DublinOntario

DUB - ONT

DUBONT

Dublin

Thu 4/2

11:10 am-10:30 pm

2 stops19h 20m

Ontario

Tue 4/7

2:08 pm-2:50 pm

2 stops16h 42m

$721

DublinOntario

DUB - ONT

DUBONT

Dublin

Thu 4/2

9:30 am-10:30 pm

1 stop21h 00m

Ontario

Mon 4/6

10:56 am-9:45 am

1 stop14h 49m

$901

CorkOntario

ORK - ONT

ORKONT

Cork

Wed 7/22

7:10 am-7:52 pm

2 stops20h 42m

Ontario

Thu 12/17

11:59 pm-11:10 am

2 stops27h 11m

$2,849

Flights are sorted by cheapest round-trip flights first.

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

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

Iberia is the most popular carrier operating from Ireland to Ontario

What airlines fly to Ontario?

Aer Lingus, American Airlines and Delta are the top three most popular airlines that fly to Ontario from Ireland according to our data. Aer Lingus is the first choice among our users, with 69% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 6 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.

Cheap Ireland to Ontario flight deals and tips

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

Fastest flight time

13h 45m

Direct flights

None
The fastest flight from Ireland to Ontario takes 13h 45m
There are no direct flights from Ireland to Ontario. There are no popular flight routes from Ireland to Ontario.
Search flight deals

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

    Prices for flights from Ireland to Ontario Airport refresh daily.

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Ireland to Ontario Airport.

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

    The travel and health documents you'll need for your trip to Ontario Airport 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 Ontario Airport. 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 Ireland to Ontario?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Ireland to Ontario. momondo saves you time and could save you money on your trip.

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

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

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

momondo provides multiple filters to help you find the best flight to Ontario from Ireland. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Of course. momondo tracks the price of 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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