Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Ireland to California 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 California departing on 8/20. 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

Discover deals from 900+ travel sites with momondo.

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.
Multiple Airlines Logo
9:30 am - 11:00 pm
DUB
-
LAS
21h 30m
1 stop
Multiple Airlines Logo
10:10 pm - 7:40 am
LAS
-
DUB
25h 30m
1 stop
$627Multiple Airlines
Fri, Aug 28 - Mon, Aug 31
British Airways Logo
8:35 am - 8:00 pm
DUB
-
LAS
19h 25m
1 stop
British Airways Logo
10:10 pm - 7:45 am
LAS
-
DUB
25h 35m
1 stop
$630British Airways
Thu, Sep 10 - Wed, Sep 23
Delta Logo
8:50 am - 8:01 pm
DUB
-
LAS
19h 11m
2 stops
Delta Logo
12:35 am - 7:45 am
LAS
-
DUB
23h 10m
1 stop
$638Delta
Thu, Nov 19 - Fri, Nov 27
Delta Logo
8:50 am - 8:01 pm
DUB
-
LAS
19h 11m
2 stops
Delta Logo
6:25 am - 9:00 am
LAS
-
DUB
18h 35m
2 stops
$639Delta
Tue, Nov 10 - Tue, Nov 24
Aer Lingus Logo
1:00 pm - 3:55 pm
DUB
-
SFO
10h 55mnonstop
Aer Lingus Logo
5:35 pm - 11:45 am
SFO
-
DUB
10h 10mnonstop
$678Aer Lingus
Tue, Sep 22 - Thu, Oct 15
American Airlines Logo
11:45 am - 11:38 am
DUB
-
BUR
31h 53m
2 stops
American Airlines Logo
7:00 am - 9:45 am
BUR
-
DUB
18h 45m
1 stop
$703American Airlines
Wed, Sep 16 - Sun, Sep 20
American Airlines Logo
12:40 pm - 6:57 pm
DUB
-
ONT
14h 17m
1 stop
American Airlines Logo
10:25 am - 7:15 am
ONT
-
DUB
13h 50m
1 stop
$704American Airlines
Wed, Oct 21 - Wed, Oct 28
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
$709Aer Lingus
Mon, Oct 5 - Thu, Oct 15
United Airlines Logo
9:30 am - 5:59 pm
SNN
-
LAS
16h 29m
2 stops
United Airlines Logo
10:44 am - 10:15 am
LAS
-
SNN
15h 31m
2 stops
$780United Airlines
Fri, Sep 11 - Sun, Sep 13
United Airlines Logo
9:20 am - 9:07 am
DUB
-
SNA
31h 47m
3 stops
United Airlines Logo
11:10 am - 9:45 am
SNA
-
DUB
14h 35m
2 stops
$847United Airlines
Wed, Aug 26 - Mon, Aug 31

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Aer Lingus flights from Ireland to California

Our best Aer Lingus deals on Ireland to California flight tickets
Aer Lingus
Sep 22
DUB1:00 pmDublin
10h 55m
SFO3:55 pmSan Francisco
Oct 15
SFO5:35 pmSan Francisco
10h 10m
DUB11:45 amDublin
$678
Aer Lingus
Aug 28
DUB12:50 pmDublin
11h 00m
SFO3:50 pmSan Francisco
Sep 20
SFO5:40 pmSan Francisco
10h 05m
DUB11:45 amDublin
$680
Aer Lingus
Nov 10
DUB3:15 pmDublin
10h 35m
LAS5:50 pmLas Vegas Harry Reid Intl
Nov 24
LAS7:35 pmLas Vegas Harry Reid Intl
9h 45m
DUB1:20 pmDublin
$682

United Airlines flights from Ireland to California

Our best United Airlines deals on Ireland to California flight tickets
United Airlines
Oct 1
DUB9:30 amDublin
15h 23m
1 stop
LAS4:53 pmLas Vegas Harry Reid Intl
Oct 16
LAS9:00 amLas Vegas Harry Reid Intl
16h 45m
1 stop
DUB9:45 amDublin
$686
United Airlines
Jun 29
DUB9:50 amDublin
32h 09m
1 stop
LAX9:59 amLos Angeles
Jul 20
LAX12:50 pmLos Angeles
12h 55m
1 stop
DUB9:45 amDublin
$881
United Airlines
Jun 30
DUB9:50 amDublin
20h 01m
1 stop
SFO9:51 pmSan Francisco
Aug 31
SFO7:05 amSan Francisco
16h 25m
2 stops
DUB7:30 amDublin
$886

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 June 24, 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

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Fri 8/28

9:30 am-11:00 pm

1 stop21h 30m

Las Vegas Harry Reid Intl

Mon 8/31

10:10 pm-7:40 am

1 stop25h 30m

$627

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Thu 9/10

8:35 am-8:00 pm

1 stop19h 25m

Las Vegas Harry Reid Intl

Wed 9/23

10:10 pm-7:45 am

1 stop25h 35m

$630

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Thu 11/19

8:50 am-8:01 pm

2 stops19h 11m

Las Vegas Harry Reid Intl

Fri 11/27

12:35 am-7:45 am

1 stop23h 10m

$638

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Tue 11/10

8:50 am-8:01 pm

2 stops19h 11m

Las Vegas Harry Reid Intl

Tue 11/24

6:25 am-9:00 am

2 stops18h 35m

$639
Quickest round-trip

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Tue 9/22

1:00 pm-3:55 pm

Nonstop10h 55m

San Francisco

Thu 10/15

5:35 pm-11:45 am

Nonstop10h 10m

$678

DublinBurbank

DUB - BUR

DUBBUR

Dublin

Wed 9/16

11:45 am-11:38 am

2 stops31h 53m

Burbank Bob Hope

Sun 9/20

7:00 am-9:45 am

1 stop18h 45m

$703

DublinOntario

DUB - ONT

DUBONT

Dublin

Wed 10/21

12:40 pm-6:57 pm

1 stop14h 17m

Ontario

Wed 10/28

10:25 am-7:15 am

1 stop13h 50m

$704

DublinLos Angeles

DUB - LAX

DUBLAX

Dublin

Mon 10/5

3:25 pm-6:25 pm

Nonstop11h 00m

Los Angeles

Thu 10/15

8:10 pm-2:30 pm

Nonstop10h 20m

$709

ShannonLas Vegas

SNN - LAS

SNNLAS

Shannon

Fri 9/11

9:30 am-5:59 pm

2 stops16h 29m

Las Vegas Harry Reid Intl

Sun 9/13

10:44 am-10:15 am

2 stops15h 31m

$780

DublinSanta Ana

DUB - SNA

DUBSNA

Dublin

Wed 8/26

9:20 am-9:07 am

3 stops31h 47m

Santa Ana J. Wayne/Orange Cnty

Mon 8/31

11:10 am-9:45 am

2 stops14h 35m

$847

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 $707. 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 $950.

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 $734 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 $668 on momondo.

What cabin class options are available on Ireland to California flights?

There are 3 cabin classes available to choose from on Ireland to California flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Ireland to California flights?

You could potentially save up to 26% 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

$625

Fastest flight time

10h 35m

Direct flights

Mon, Wed, Thu, Fri, Sat and Sun

Airports in California

418 airports
The best one-way flight to California from Ireland in the past 72 hours is $625. The best round-trip flight deal from Ireland to California found on momondo in the last 72 hours is $750.
The fastest flight from Ireland to California takes 10h 35m
Direct flights go from Ireland to California on Monday, Wednesday, Thursday, Friday, Saturday and Sunday. There are no airlines offering direct flights.
There are 418 airports in California. From Ireland there are direct flights to 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
1,622 reviews
Search Aer Lingus flights
DeltaPriceFrom $568Free CancellationRating
7.8
8,432 reviews
Search Delta flights
American AirlinesPriceFrom $589Free CancellationRating
7.1
11,751 reviews
Search American Airlines flights
United AirlinesPriceFrom $787Free CancellationRating
7.4
9,881 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.

An easier way to manage your California trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Fri 7/24
Fri 7/31
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to California

Popular cities in California

Popular flights according to clicks in the last 7 days on momondo
Flights to New Yorkfrom $75
Flights to Los Angelesfrom $56
Flights to Orlandofrom $63
Flights to Miamifrom $78
Flights to Chicagofrom $63
Flights to San Franciscofrom $50
Flights to Las Vegasfrom $56
Flights to Washington, D.C.from $57
Flights to Bostonfrom $72
Flights to Atlantafrom $58
Flights to Fort Lauderdalefrom $50
Flights to Dallasfrom $59