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Cheap flights from Ireland to Los Angeles from $360

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ireland to Los Angeles departing on 5/28. 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

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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.
Iberia Logo
9:30 am - 10:36 pm
DUB
-
ONT
21h 06m
1 stop
Iberia Logo
7:30 am - 9:45 am
ONT
-
DUB
18h 15m
1 stop
$612Iberia
Wed, Apr 15 - Sun, Apr 19
American Airlines Logo
11:45 am - 9:07 pm
DUB
-
ONT
17h 22m
1 stop
American Airlines Logo
10:00 pm - 9:35 am
ONT
-
DUB
27h 35m
1 stop
$614American Airlines
Mon, May 18 - Mon, May 25
Iberia Logo
9:50 am - 11:46 pm
DUB
-
ONT
21h 56m
2 stops
Iberia Logo
7:30 am - 9:45 am
ONT
-
DUB
18h 15m
1 stop
$618Iberia
Wed, Apr 22 - Sun, Apr 26
Iberia Logo
9:50 am - 11:46 pm
DUB
-
ONT
21h 56m
2 stops
Iberia Logo
10:55 am - 9:45 am
ONT
-
DUB
14h 50m
1 stop
$619Iberia
Wed, Apr 15 - Sun, Apr 19
British Airways Logo
11:45 am - 9:07 pm
DUB
-
ONT
17h 22m
1 stop
British Airways Logo
10:59 am - 9:45 am
ONT
-
DUB
14h 46m
1 stop
$634British Airways
Fri, May 1 - Fri, May 8
Iberia Logo
9:30 am - 11:46 pm
DUB
-
ONT
22h 16m
1 stop
Iberia Logo
2:08 pm - 9:45 am
ONT
-
DUB
35h 37m
1 stop
$637Iberia
Fri, May 1 - Fri, May 8
JetBlue Logo
11:30 am - 9:55 pm
DUB
-
ONT
18h 25m
1 stop
JetBlue Logo
10:41 pm - 9:00 am
ONT
-
DUB
26h 19m
1 stop
$692JetBlue
Sat, May 16 - Mon, May 25
JetBlue Logo
11:30 am - 8:47 pm
DUB
-
ONT
17h 17m
1 stop
JetBlue Logo
10:41 pm - 9:00 am
ONT
-
DUB
26h 19m
1 stop
$723JetBlue
Wed, Jun 3 - Wed, Jun 10
British Airways Logo
11:25 am - 11:46 pm
ORK
-
ONT
20h 21m
2 stops
British Airways Logo
12:19 pm - 11:50 pm
ONT
-
ORK
27h 31m
2 stops
$750British Airways
Wed, Apr 22 - Sun, Apr 26
Delta Logo
6:15 am - 11:44 pm
ORK
-
ONT
25h 29m
2 stops
Delta Logo
6:00 am - 2:40 pm
ONT
-
ORK
24h 40m
2 stops
$1,014Delta
Sun, Apr 19 - Thu, Apr 23

British Airways flights from Ireland to Ontario

Our best British Airways deals on Ireland to Ontario flight tickets
British Airways
May 1
DUB11:45 amDublin
17h 22m
1 stop
ONT9:07 pmOntario
May 8
ONT10:59 amOntario
14h 46m
1 stop
DUB9:45 amDublin
$634
British Airways
Apr 22
ORK11:25 amCork
20h 21m
2 stops
ONT11:46 pmOntario
Apr 26
ONT12:19 pmOntario
27h 31m
2 stops
ORK11:50 pmCork
$750
British Airways
Apr 16
DUB12:00 pmDublin
19h 46m
2 stops
ONT11:46 pmOntario
Apr 29
ONT2:08 pmOntario
16h 42m
2 stops
DUB2:50 pmDublin
$752

United Airlines flights from Ireland to Ontario

Our best United Airlines deals on Ireland to Ontario flight tickets
United Airlines
Sep 3
DUB9:50 amDublin
40h 29m
2 stops
ONT6:19 pmOntario
Sep 7
ONT5:45 amOntario
21h 25m
2 stops
DUB11:10 amDublin
$851
United Airlines
Sep 3
DUB9:50 amDublin
16h 29m
2 stops
ONT6:19 pmOntario
Sep 7
ONT5:45 amOntario
21h 25m
2 stops
DUB11:10 amDublin
$852
United Airlines
Sep 3
DUB11:35 amDublin
14h 44m
1 stop
ONT6:19 pmOntario
Sep 7
ONT5:45 amOntario
17h 45m
2 stops
DUB7:30 amDublin
$860

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 April 5, 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

Cheapest round-trip

DublinOntario

DUB - ONT

DUBONT

Dublin

Wed 4/15

9:30 am-10:36 pm

1 stop21h 06m

Ontario

Sun 4/19

7:30 am-9:45 am

1 stop18h 15m

$612

DublinOntario

DUB - ONT

DUBONT

Dublin

Mon 5/18

11:45 am-9:07 pm

1 stop17h 22m

Ontario

Mon 5/25

10:00 pm-9:35 am

1 stop27h 35m

$614

DublinOntario

DUB - ONT

DUBONT

Dublin

Wed 4/22

9:50 am-11:46 pm

2 stops21h 56m

Ontario

Sun 4/26

7:30 am-9:45 am

1 stop18h 15m

$618

DublinOntario

DUB - ONT

DUBONT

Dublin

Wed 4/15

9:50 am-11:46 pm

2 stops21h 56m

Ontario

Sun 4/19

10:55 am-9:45 am

1 stop14h 50m

$619
Quickest round-trip

DublinOntario

DUB - ONT

DUBONT

Dublin

Fri 5/1

11:45 am-9:07 pm

1 stop17h 22m

Ontario

Fri 5/8

10:59 am-9:45 am

1 stop14h 46m

$634

DublinOntario

DUB - ONT

DUBONT

Dublin

Fri 5/1

9:30 am-11:46 pm

1 stop22h 16m

Ontario

Fri 5/8

2:08 pm-9:45 am

1 stop35h 37m

$637

DublinOntario

DUB - ONT

DUBONT

Dublin

Sat 5/16

11:30 am-9:55 pm

1 stop18h 25m

Ontario

Mon 5/25

10:41 pm-9:00 am

1 stop26h 19m

$692

DublinOntario

DUB - ONT

DUBONT

Dublin

Wed 6/3

11:30 am-8:47 pm

1 stop17h 17m

Ontario

Wed 6/10

10:41 pm-9:00 am

1 stop26h 19m

$723

CorkOntario

ORK - ONT

ORKONT

Cork

Wed 4/22

11:25 am-11:46 pm

2 stops20h 21m

Ontario

Sun 4/26

12:19 pm-11:50 pm

2 stops27h 31m

$750

CorkOntario

ORK - ONT

ORKONT

Cork

Sun 4/19

6:15 am-11:44 pm

2 stops25h 29m

Ontario

Thu 4/23

6:00 am-2:40 pm

2 stops24h 40m

$1,014

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?

JetBlue and British Airways are the most popular carriers 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 76% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 3 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

14h 26m

Direct flights

None
The fastest flight from Ireland to Ontario takes 14h 26m
There are no direct flights from Ireland to Ontario. There are no popular flight routes from Ireland to Ontario.
Search flight deals

Frequently asked questions about flying from Ireland to Ontario

  • 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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