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Cheap flights from Ireland to Los Angeles from $374

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 7/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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
11:45 am - 10:36 pm
DUB
-
ONT
18h 51m
1 stop
American Airlines Logo
5:45 am - 9:45 am
ONT
-
DUB
20h 00m
1 stop
$615American Airlines
Fri, Jun 5 - Sun, Jun 21
American Airlines Logo
12:40 pm - 9:57 pm
DUB
-
ONT
17h 17m
2 stops
American Airlines Logo
11:59 pm - 9:35 am
ONT
-
DUB
25h 36m
2 stops
$616American Airlines
Tue, Jun 9 - Sat, Jun 13
Iberia Logo
12:40 pm - 10:39 pm
DUB
-
ONT
17h 59m
1 stop
Iberia Logo
2:18 pm - 9:45 am
ONT
-
DUB
35h 27m
1 stop
$650Iberia
Tue, Jun 9 - Sat, Jun 13
JetBlue Logo
11:30 am - 8:47 pm
DUB
-
ONT
17h 17m
1 stop
JetBlue Logo
11:58 pm - 9:00 am
ONT
-
DUB
25h 02m
1 stop
$758JetBlue
Sat, Jun 6 - Mon, Jun 22
JetBlue Logo
11:30 am - 10:43 pm
DUB
-
ONT
19h 13m
1 stop
JetBlue Logo
11:56 pm - 9:00 am
ONT
-
DUB
25h 04m
1 stop
$776JetBlue
Wed, Jun 17 - Sun, Jun 21
JetBlue Logo
11:30 am - 8:47 pm
DUB
-
ONT
17h 17m
1 stop
JetBlue Logo
11:54 pm - 9:00 am
ONT
-
DUB
25h 06m
1 stop
$785JetBlue
Wed, Jun 10 - Sun, Jun 14
JetBlue Logo
11:30 am - 8:47 pm
DUB
-
ONT
17h 17m
1 stop
JetBlue Logo
11:56 pm - 9:00 am
ONT
-
DUB
25h 04m
1 stop
$787JetBlue
Sun, Jun 7 - Sun, Jun 21
JetBlue Logo
11:30 am - 8:47 pm
DUB
-
ONT
17h 17m
1 stop
JetBlue Logo
11:09 pm - 9:00 am
ONT
-
DUB
25h 51m
1 stop
$789JetBlue
Wed, Jun 10 - Sat, Jun 20
Multiple Airlines Logo
9:40 am - 6:18 pm
DUB
-
ONT
16h 38m
1 stop
Multiple Airlines Logo
7:00 am - 7:45 am
ONT
-
DUB
16h 45m
1 stop
$802Multiple Airlines
Thu, Nov 5 - Thu, Nov 12
KLM Logo
9:45 am - 6:18 pm
DUB
-
ONT
16h 33m
1 stop
KLM Logo
7:00 am - 7:45 am
ONT
-
DUB
16h 45m
1 stop
$805KLM
Fri, Nov 6 - Fri, Nov 13

American Airlines flights from Ireland to Ontario

Our best American Airlines deals on Ireland to Ontario flight tickets
American Airlines
Jun 5
DUB11:45 amDublin
18h 51m
1 stop
ONT10:36 pmOntario
Jun 21
ONT5:45 amOntario
20h 00m
1 stop
DUB9:45 amDublin
$615
American Airlines
Jun 9
DUB12:40 pmDublin
17h 17m
2 stops
ONT9:57 pmOntario
Jun 13
ONT11:59 pmOntario
25h 36m
2 stops
DUB9:35 amDublin
$616
American Airlines
Jun 1
DUB12:40 pmDublin
15h 16m
1 stop
ONT7:56 pmOntario
Jun 15
ONT12:41 pmOntario
13h 04m
1 stop
DUB9:45 amDublin
$800

Iberia flights from Ireland to Ontario

Our best Iberia deals on Ireland to Ontario flight tickets
Iberia
Jun 9
DUB12:40 pmDublin
17h 59m
1 stop
ONT10:39 pmOntario
Jun 13
ONT2:18 pmOntario
35h 27m
1 stop
DUB9:45 amDublin
$650
Iberia
Jun 17
DUB12:40 pmDublin
17h 59m
1 stop
ONT10:39 pmOntario
Jun 21
ONT10:22 amOntario
15h 23m
1 stop
DUB9:45 amDublin
$886
Iberia
Jun 17
DUB12:40 pmDublin
15h 16m
1 stop
ONT7:56 pmOntario
Jun 21
ONT7:00 amOntario
18h 45m
1 stop
DUB9:45 amDublin
$890

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 May 26, 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

Fri 6/5

11:45 am-10:36 pm

1 stop18h 51m

Ontario

Sun 6/21

5:45 am-9:45 am

1 stop20h 00m

$615

DublinOntario

DUB - ONT

DUBONT

Dublin

Tue 6/9

12:40 pm-9:57 pm

2 stops17h 17m

Ontario

Sat 6/13

11:59 pm-9:35 am

2 stops25h 36m

$616

DublinOntario

DUB - ONT

DUBONT

Dublin

Tue 6/9

12:40 pm-10:39 pm

1 stop17h 59m

Ontario

Sat 6/13

2:18 pm-9:45 am

1 stop35h 27m

$650

DublinOntario

DUB - ONT

DUBONT

Dublin

Sat 6/6

11:30 am-8:47 pm

1 stop17h 17m

Ontario

Mon 6/22

11:58 pm-9:00 am

1 stop25h 02m

$758

DublinOntario

DUB - ONT

DUBONT

Dublin

Wed 6/17

11:30 am-10:43 pm

1 stop19h 13m

Ontario

Sun 6/21

11:56 pm-9:00 am

1 stop25h 04m

$776

DublinOntario

DUB - ONT

DUBONT

Dublin

Wed 6/10

11:30 am-8:47 pm

1 stop17h 17m

Ontario

Sun 6/14

11:54 pm-9:00 am

1 stop25h 06m

$785

DublinOntario

DUB - ONT

DUBONT

Dublin

Sun 6/7

11:30 am-8:47 pm

1 stop17h 17m

Ontario

Sun 6/21

11:56 pm-9:00 am

1 stop25h 04m

$787

DublinOntario

DUB - ONT

DUBONT

Dublin

Wed 6/10

11:30 am-8:47 pm

1 stop17h 17m

Ontario

Sat 6/20

11:09 pm-9:00 am

1 stop25h 51m

$789

DublinOntario

DUB - ONT

DUBONT

Dublin

Thu 11/5

9:40 am-6:18 pm

1 stop16h 38m

Ontario

Thu 11/12

7:00 am-7:45 am

1 stop16h 45m

$802
Quickest round-trip

DublinOntario

DUB - ONT

DUBONT

Dublin

Fri 11/6

9:45 am-6:18 pm

1 stop16h 33m

Ontario

Fri 11/13

7:00 am-7:45 am

1 stop16h 45m

$805

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

16h 38m

Direct flights

None
The fastest flight from Ireland to Ontario takes 16h 38m
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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