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Cheap flights from Ireland to Los Angeles from $357

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 8/27. 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 Ireland to Los Angeles

Recent round-trip flight deals from Ireland to Los Angeles

Enter your travel dates to find the best prices.
British Airways Logo
8:35 am - 10:59 pm
DUB
-
ONT
22h 24m
2 stops
British Airways Logo
2:27 pm - 6:50 pm
ONT
-
DUB
20h 23m
2 stops
$685British Airways
Tue, Aug 25 - Tue, Sep 1
Multiple Airlines Logo
12:40 pm - 6:47 pm
DUB
-
ONT
14h 07m
1 stop
Multiple Airlines Logo
10:25 am - 9:45 am
ONT
-
DUB
15h 20m
1 stop
$691Multiple Airlines
Fri, Aug 28 - Thu, Sep 10
JetBlue Logo
11:30 am - 9:59 pm
DUB
-
ONT
18h 29m
1 stop
JetBlue Logo
11:50 pm - 9:00 am
ONT
-
DUB
25h 10m
1 stop
$693JetBlue
Sat, Sep 5 - Sun, Sep 6
American Airlines Logo
1:00 pm - 11:57 pm
DUB
-
ONT
18h 57m
1 stop
American Airlines Logo
10:47 am - 7:15 am
ONT
-
DUB
12h 28m
1 stop
$698American Airlines
Sat, Nov 14 - Fri, Nov 27
American Airlines Logo
12:40 pm - 10:59 pm
DUB
-
ONT
18h 19m
1 stop
American Airlines Logo
7:05 am - 9:45 am
ONT
-
DUB
18h 40m
1 stop
$701American Airlines
Thu, Aug 27 - Mon, Aug 31
American Airlines Logo
9:30 am - 6:47 pm
DUB
-
ONT
17h 17m
2 stops
American Airlines Logo
12:33 pm - 9:45 am
ONT
-
DUB
13h 12m
1 stop
$702American Airlines
Thu, Aug 27 - Mon, Aug 31
American Airlines Logo
12:40 pm - 6:47 pm
DUB
-
ONT
14h 07m
1 stop
American Airlines Logo
10:25 am - 9:45 am
ONT
-
DUB
15h 20m
1 stop
$703American Airlines
Fri, Aug 28 - Thu, Sep 10
Iberia Logo
12:40 pm - 11:36 pm
DUB
-
ONT
18h 56m
1 stop
Iberia Logo
2:22 pm - 9:45 am
ONT
-
DUB
35h 23m
1 stop
$718Iberia
Sun, Oct 4 - Fri, Oct 9
KLM Logo
5:05 pm - 5:21 pm
ORK
-
ONT
32h 16m
2 stops
KLM Logo
1:06 pm - 4:45 pm
ONT
-
ORK
19h 39m
2 stops
$1,203KLM
Sat, Aug 1 - Sat, Aug 15
KLM Logo
6:15 am - 5:21 pm
ORK
-
ONT
19h 06m
2 stops
KLM Logo
11:56 am - 4:45 pm
ONT
-
ORK
20h 49m
2 stops
$1,215KLM
Fri, Jul 31 - Tue, Aug 11

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Iberia flights from Ireland to Ontario

Our best Iberia deals on Ireland to Ontario flight tickets
Iberia
Sep 1
DUB9:50 amDublin
21h 09m
2 stops
ONT10:59 pmOntario
Sep 6
ONT7:05 amOntario
18h 40m
1 stop
DUB9:45 amDublin
$696
Iberia
Oct 4
DUB12:40 pmDublin
18h 56m
1 stop
ONT11:36 pmOntario
Oct 9
ONT2:22 pmOntario
35h 23m
1 stop
DUB9:45 amDublin
$718
Iberia
Aug 25
DUB9:50 amDublin
21h 09m
2 stops
ONT10:59 pmOntario
Sep 1
ONT2:27 pmOntario
35h 18m
1 stop
DUB9:45 amDublin
$732

American Airlines flights from Ireland to Ontario

Our best American Airlines deals on Ireland to Ontario flight tickets
American Airlines
Oct 28
DUB1:00 pmDublin
15h 11m
1 stop
ONT9:11 pmOntario
Nov 3
ONT6:10 amOntario
17h 05m
1 stop
DUB7:15 amDublin
$697
American Airlines
Nov 14
DUB1:00 pmDublin
18h 57m
1 stop
ONT11:57 pmOntario
Nov 27
ONT10:47 amOntario
12h 28m
1 stop
DUB7:15 amDublin
$698
American Airlines
Aug 27
DUB12:40 pmDublin
14h 07m
1 stop
ONT6:47 pmOntario
Sep 9
ONT12:37 pmOntario
13h 08m
1 stop
DUB9:45 amDublin
$700

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 July 13, 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

Tue 8/25

8:35 am-10:59 pm

2 stops22h 24m

Ontario

Tue 9/1

2:27 pm-6:50 pm

2 stops20h 23m

$685
Quickest round-trip

DublinOntario

DUB - ONT

DUBONT

Dublin

Fri 8/28

12:40 pm-6:47 pm

1 stop14h 07m

Ontario

Thu 9/10

10:25 am-9:45 am

1 stop15h 20m

$691

DublinOntario

DUB - ONT

DUBONT

Dublin

Sat 9/5

11:30 am-9:59 pm

1 stop18h 29m

Ontario

Sun 9/6

11:50 pm-9:00 am

1 stop25h 10m

$693

DublinOntario

DUB - ONT

DUBONT

Dublin

Sat 11/14

1:00 pm-11:57 pm

1 stop18h 57m

Ontario

Fri 11/27

10:47 am-7:15 am

1 stop12h 28m

$698

DublinOntario

DUB - ONT

DUBONT

Dublin

Thu 8/27

12:40 pm-10:59 pm

1 stop18h 19m

Ontario

Mon 8/31

7:05 am-9:45 am

1 stop18h 40m

$701

DublinOntario

DUB - ONT

DUBONT

Dublin

Thu 8/27

9:30 am-6:47 pm

2 stops17h 17m

Ontario

Mon 8/31

12:33 pm-9:45 am

1 stop13h 12m

$702

DublinOntario

DUB - ONT

DUBONT

Dublin

Fri 8/28

12:40 pm-6:47 pm

1 stop14h 07m

Ontario

Thu 9/10

10:25 am-9:45 am

1 stop15h 20m

$703

DublinOntario

DUB - ONT

DUBONT

Dublin

Sun 10/4

12:40 pm-11:36 pm

1 stop18h 56m

Ontario

Fri 10/9

2:22 pm-9:45 am

1 stop35h 23m

$718

CorkOntario

ORK - ONT

ORKONT

Cork

Sat 8/1

5:05 pm-5:21 pm

2 stops32h 16m

Ontario

Sat 8/15

1:06 pm-4:45 pm

2 stops19h 39m

$1,203

CorkOntario

ORK - ONT

ORKONT

Cork

Fri 7/31

6:15 am-5:21 pm

2 stops19h 06m

Ontario

Tue 8/11

11:56 am-4:45 pm

2 stops20h 49m

$1,215

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

Can stopping save me money on Ireland to Ontario flights?

You could potentially save up to 36% on your flight if you consider stops on a Ireland to Ontario flight.

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

18h 29m

Direct flights

None
The fastest flight from Ireland to Ontario takes 18h 29m
There are no direct flights from Ireland to Ontario. There are no popular flight routes from Ireland to Ontario.
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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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