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Cheap flights from Ireland to California from $356

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 California departing on 6/15. 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 California

Recent round-trip flight deals from Ireland to California

Enter your travel dates to find the best prices.
Aer Lingus Logo
3:25 pm - 6:25 pm
DUB
-
LAX
11h 00mnonstop
Aer Lingus Logo
8:10 pm - 2:30 pm
LAX
-
DUB
10h 20mnonstop
$606Aer Lingus
Fri, May 22 - Tue, May 26
KLM Logo
1:25 pm - 6:35 pm
DUB
-
LAS
13h 10m
1 stop
KLM Logo
9:59 am - 10:00 am
LAS
-
DUB
16h 01m
1 stop
$606KLM
Wed, Jun 3 - Tue, Jun 9
Delta Logo
11:10 am - 6:35 pm
DUB
-
LAS
15h 25m
1 stop
Delta Logo
6:48 am - 10:00 am
LAS
-
DUB
19h 12m
2 stops
$607Delta
Wed, Jun 3 - Tue, Jun 9
Finnair Logo
9:30 am - 11:21 pm
DUB
-
LAX
21h 51m
1 stop
Finnair Logo
1:21 pm - 11:50 am
LAX
-
DUB
14h 29m
1 stop
$608Finnair
Sat, May 23 - Tue, May 26
KLM Logo
1:25 pm - 6:35 pm
DUB
-
LAS
13h 10m
1 stop
KLM Logo
9:59 am - 10:00 am
LAS
-
DUB
16h 01m
1 stop
$608KLM
Wed, Jun 3 - Tue, Jun 9
Finnair Logo
9:30 am - 11:21 pm
DUB
-
LAX
21h 51m
1 stop
Finnair Logo
1:21 pm - 11:50 am
LAX
-
DUB
14h 29m
1 stop
$609Finnair
Fri, May 22 - Tue, Jun 2
Delta Logo
11:10 am - 8:36 pm
DUB
-
LAS
17h 26m
2 stops
Delta Logo
5:50 pm - 3:25 pm
LAS
-
DUB
13h 35m
1 stop
$611Delta
Sat, Jun 6 - Mon, Jun 22
American Airlines Logo
11:45 am - 7:10 pm
DUB
-
LAX
15h 25m
1 stop
American Airlines Logo
7:18 am - 9:35 am
LAX
-
DUB
18h 17m
1 stop
$619American Airlines
Fri, May 22 - Tue, May 26
American Airlines Logo
12:40 pm - 8:27 pm
DUB
-
SNA
15h 47m
1 stop
American Airlines Logo
11:33 am - 11:50 am
SNA
-
DUB
16h 17m
1 stop
$622American Airlines
Thu, May 21 - Mon, May 25
United Airlines Logo
9:50 am - 12:18 pm
DUB
-
SNA
34h 28m
1 stop
United Airlines Logo
8:00 am - 11:10 am
SNA
-
DUB
19h 10m
1 stop
$858United Airlines
Wed, Sep 30 - Sun, Oct 4

Finnair flights from Ireland to California

Our best Finnair deals on Ireland to California flight tickets
Finnair
May 18
DUB12:40 pmDublin
17h 16m
1 stop
SJC9:56 pmSan Jose
Jun 1
SJC6:00 amSan Jose
19h 45m
1 stop
DUB9:45 amDublin
$600
Finnair
May 23
DUB9:30 amDublin
21h 51m
1 stop
LAX11:21 pmLos Angeles
May 26
LAX1:21 pmLos Angeles
14h 29m
1 stop
DUB11:50 amDublin
$608
Finnair
May 22
DUB9:30 amDublin
21h 51m
1 stop
LAX11:21 pmLos Angeles
Jun 2
LAX1:21 pmLos Angeles
14h 29m
1 stop
DUB11:50 amDublin
$609

Lufthansa flights from Ireland to California

Our best Lufthansa deals on Ireland to California flight tickets
Lufthansa
May 14
DUB11:35 amDublin
15h 13m
1 stop
SNA6:48 pmSanta Ana J. Wayne/Orange Cnty
May 27
SNA6:45 amSanta Ana J. Wayne/Orange Cnty
19h 00m
1 stop
DUB9:45 amDublin
$905
Lufthansa
May 27
SNN12:30 pmShannon
16h 10m
1 stop
LAX8:40 pmLos Angeles
May 31
LAX8:15 amLos Angeles
15h 15m
1 stop
SNN7:30 amShannon
$932

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

DublinLos Angeles

DUB - LAX

DUBLAX

Dublin

Fri 5/22

3:25 pm-6:25 pm

Nonstop11h 00m

Los Angeles

Tue 5/26

8:10 pm-2:30 pm

Nonstop10h 20m

$606

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Wed 6/3

1:25 pm-6:35 pm

1 stop13h 10m

Las Vegas Harry Reid Intl

Tue 6/9

9:59 am-10:00 am

1 stop16h 01m

$606

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Wed 6/3

11:10 am-6:35 pm

1 stop15h 25m

Las Vegas Harry Reid Intl

Tue 6/9

6:48 am-10:00 am

2 stops19h 12m

$607

DublinLos Angeles

DUB - LAX

DUBLAX

Dublin

Sat 5/23

9:30 am-11:21 pm

1 stop21h 51m

Los Angeles

Tue 5/26

1:21 pm-11:50 am

1 stop14h 29m

$608

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Wed 6/3

1:25 pm-6:35 pm

1 stop13h 10m

Las Vegas Harry Reid Intl

Tue 6/9

9:59 am-10:00 am

1 stop16h 01m

$608

DublinLos Angeles

DUB - LAX

DUBLAX

Dublin

Fri 5/22

9:30 am-11:21 pm

1 stop21h 51m

Los Angeles

Tue 6/2

1:21 pm-11:50 am

1 stop14h 29m

$609

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Sat 6/6

11:10 am-8:36 pm

2 stops17h 26m

Las Vegas Harry Reid Intl

Mon 6/22

5:50 pm-3:25 pm

1 stop13h 35m

$611

DublinLos Angeles

DUB - LAX

DUBLAX

Dublin

Fri 5/22

11:45 am-7:10 pm

1 stop15h 25m

Los Angeles

Tue 5/26

7:18 am-9:35 am

1 stop18h 17m

$619

DublinSanta Ana

DUB - SNA

DUBSNA

Dublin

Thu 5/21

12:40 pm-8:27 pm

1 stop15h 47m

Santa Ana J. Wayne/Orange Cnty

Mon 5/25

11:33 am-11:50 am

1 stop16h 17m

$622

DublinSanta Ana

DUB - SNA

DUBSNA

Dublin

Wed 9/30

9:50 am-12:18 pm

1 stop34h 28m

Santa Ana J. Wayne/Orange Cnty

Sun 10/4

8:00 am-11:10 am

1 stop19h 10m

$858

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 California from

How to get the cheapest flight ticket from Ireland to California

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 month to fly to California?

The month of March is another great option to travel to California, with average flight prices from Ireland averaging around $402.

What is the cheapest day to depart on your flight to California?

The cheapest day to depart from Ireland to California is on a Wednesday. Travelers who choose to depart for California on a Wednesday will often find tickets for as low as $585. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to California on Saturday is $1,230.

What is the cheapest Ireland to California flight route?

Fly from Dublin to Los Angeles for the best Ireland - California flight prices

How far in advance should I book a flight from Ireland to California?

You are more likely to see cheaper flights to California from Ireland when booking weeks ahead of your departure date. In general, you can expect to find flights to California for around $720 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to California from Ireland for as low as $607 on momondo.

Can stopping save me money on Ireland to California flights?

You could potentially save up to 27% on your flight if you consider stops on a Ireland to California flight.

Cheap Ireland to California flight deals and tips

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

Best Price Found

$628

Fastest flight time

10h 35m

Direct flights

Every day

Airports in California

418 airports
The best one-way flight to California from Ireland in the past 72 hours is $628. The best round-trip flight deal from Ireland to California found on momondo in the last 72 hours is $789.
The fastest flight from Ireland to California takes 10h 35m
Direct flights go from Ireland to California every day.
There are 418 airports in California. From Ireland there are direct flights to Los Angeles (LAX), San Francisco (SFO), Las Vegas Harry Reid Intl (LAS).
Search flight deals

Frequently asked questions about flying from Ireland to California

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

    Prices for flights from Ireland to California were last updated today.

  • How many operators does momondo search for flights from Ireland to California?

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

    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 California.

  • What documentation or ID do you need to fly to California?

    The required travel and health documents for your California trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at California. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Ireland to California?

Best airlines flying from Ireland to California

Compare and see reviews for airlines that fly from Ireland to California with momondo
Airline
Rating
Free Cancellation
Price
Aer LingusPriceFrom $483Free CancellationRating
7.3
1,551 reviews
Search Aer Lingus flights
DeltaPriceFrom $568Free CancellationRating
7.9
8,453 reviews
Search Delta flights
American AirlinesPriceFrom $589Free CancellationRating
7.1
11,665 reviews
Search American Airlines flights
United AirlinesPriceFrom $777Free CancellationRating
7.4
9,700 reviews
Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Ireland to California?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Ireland to California. Millions of users trust and use momondo every year so you are in good hands.

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

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

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

Once you have performed a search for Ireland to California flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are simply researching potential flights to California, momondo offers a useful price alert feature which will track prices for flights to California from Ireland and alert you when they change.

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