Cheap flights from Ireland to California from $368

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 10/3. 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

American Airlines Logo
1:45 pm - 8:41 pmDUB-LAS
14h 56m1 stop
American Airlines Logo
8:00 am - 5:30 amLAS-DUB
13h 30m1 stop
$516American Airlines
Find Deal
Fri, Oct 3 - Fri, Oct 10
Iberia Logo
11:30 am - 9:34 pmDUB-LAS
18h 04m1 stop
Iberia Logo
7:15 am - 8:40 amLAS-DUB
17h 25m1 stop
$518Iberia
Find Deal
Sun, Feb 1 - Sun, Feb 8
British Airways Logo
8:50 am - 6:50 pmDUB-LAS
18h 00m1 stop
British Airways Logo
3:45 pm - 7:55 amLAS-DUB
32h 10m2 stops
$527British Airways
Find Deal
Tue, Dec 23 - Sun, Dec 28
British Airways Logo
8:35 am - 8:00 pmDUB-LAS
19h 25m1 stop
British Airways Logo
12:16 pm - 2:45 pmLAS-DUB
18h 29m2 stops
$528British Airways
Find Deal
Tue, Oct 14 - Tue, Oct 21
Aer Lingus Logo
3:15 pm - 5:50 pmDUB-LAS
10h 35mnonstop
Aer Lingus Logo
7:35 pm - 1:20 pmLAS-DUB
9h 45mnonstop
$531Aer Lingus
Find Deal
Thu, Nov 6 - Sat, Nov 22
Aer Lingus Logo
3:15 pm - 5:50 pmDUB-LAS
10h 35mnonstop
Aer Lingus Logo
8:55 pm - 8:05 pmLAS-DUB
15h 10m1 stop
$538Aer Lingus
Find Deal
Sat, Dec 13 - Thu, Dec 18
Delta Logo
9:45 am - 8:19 pmDUB-LAS
18h 34m1 stop
Delta Logo
11:36 pm - 8:45 amLAS-DUB
25h 09m1 stop
$541Delta
Find Deal
Sun, Nov 16 - Fri, Nov 21
Delta Logo
5:55 am - 11:50 amDUB-LAX
13h 55m1 stop
Delta Logo
6:00 am - 7:50 amLAX-DUB
17h 50m2 stops
$555Delta
Find Deal
Fri, Nov 28 - Fri, Jan 9
United Airlines Logo
9:00 am - 7:27 pmDUB-LAX
18h 27m1 stop
United Airlines Logo
5:50 am - 7:30 amLAX-DUB
17h 40m3 stops
$562United Airlines
Find Deal
Mon, Nov 24 - Thu, Jan 8
United Airlines Logo
9:30 am - 10:28 pmDUB-SJC
19h 58m2 stops
United Airlines Logo
8:45 am - 10:20 amSJC-DUB
17h 35m2 stops
$575United Airlines
Find Deal
Sat, Nov 1 - Sat, Nov 8

Lufthansa flights from Ireland to California

Our best Lufthansa deals on Ireland to California flight tickets
Lufthansa
Oct 9
DUB5:55 amDublin
15h 05m
1 stop
LAX1:00 pmLos Angeles
Oct 16
LAX1:00 pmLos Angeles
13h 20m
1 stop
DUB10:20 amDublin
Lufthansa
Oct 10
DUB1:35 pmDublin
14h 53m
1 stop
SFO8:28 pmSan Francisco
Oct 18
SFO1:02 pmSan Francisco
13h 18m
1 stop
DUB10:20 amDublin
Lufthansa
Sep 24
DUB5:55 amDublin
14h 45m
1 stop
SFO12:40 pmSan Francisco
Oct 8
SFO1:02 pmSan Francisco
13h 18m
1 stop
DUB10:20 amDublin

United Airlines flights from Ireland to California

Our best United Airlines deals on Ireland to California flight tickets
United Airlines
Nov 24
DUB9:00 amDublin
18h 27m
1 stop
LAX7:27 pmLos Angeles
Jan 8
LAX5:50 amLos Angeles
17h 40m
3 stops
DUB7:30 amDublin
United Airlines
Nov 1
DUB9:30 amDublin
19h 58m
2 stops
SJC10:28 pmSan Jose
Nov 8
SJC8:45 amSan Jose
17h 35m
2 stops
DUB10:20 amDublin
United Airlines
Oct 25
DUB1:35 pmDublin
26h 10m
2 stops
LAX7:45 amLos Angeles
Nov 8
LAX8:50 amLos Angeles
15h 20m
2 stops
DUB8:10 amDublin

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 September 17, 2025.
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

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Fri 10/3

1:45 pm-8:41 pm

1 stop14h 56m

Las Vegas Harry Reid Intl

Fri 10/10

8:00 am-5:30 am

1 stop13h 30m

$516

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Sun 2/1

11:30 am-9:34 pm

1 stop18h 04m

Las Vegas Harry Reid Intl

Sun 2/8

7:15 am-8:40 am

1 stop17h 25m

$518

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Tue 12/23

8:50 am-6:50 pm

1 stop18h 00m

Las Vegas Harry Reid Intl

Sun 12/28

3:45 pm-7:55 am

2 stops32h 10m

$527

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Tue 10/14

8:35 am-8:00 pm

1 stop19h 25m

Las Vegas Harry Reid Intl

Tue 10/21

12:16 pm-2:45 pm

2 stops18h 29m

$528

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Thu 11/6

3:15 pm-5:50 pm

Nonstop10h 35m

Las Vegas Harry Reid Intl

Sat 11/22

7:35 pm-1:20 pm

Nonstop9h 45m

$531

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Sat 12/13

3:15 pm-5:50 pm

Nonstop10h 35m

Las Vegas Harry Reid Intl

Thu 12/18

8:55 pm-8:05 pm

1 stop15h 10m

$538

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Sun 11/16

9:45 am-8:19 pm

1 stop18h 34m

Las Vegas Harry Reid Intl

Fri 11/21

11:36 pm-8:45 am

1 stop25h 09m

$541

DublinLos Angeles

DUB - LAX

DUBLAX

Dublin

Fri 11/28

5:55 am-11:50 am

1 stop13h 55m

Los Angeles

Fri 1/9

6:00 am-7:50 am

2 stops17h 50m

$555

DublinLos Angeles

DUB - LAX

DUBLAX

Dublin

Mon 11/24

9:00 am-7:27 pm

1 stop18h 27m

Los Angeles

Thu 1/8

5:50 am-7:30 am

3 stops17h 40m

$562

DublinSan Jose

DUB - SJC

DUBSJC

Dublin

Sat 11/1

9:30 am-10:28 pm

2 stops19h 58m

San Jose

Sat 11/8

8:45 am-10:20 am

2 stops17h 35m

$575

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 November is another great option to travel to California, with average flight prices from Ireland averaging around $582.

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 $584. 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 $954.

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

The cheapest time of day to fly to California is in the morning when flights can be purchased for as low as $653. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $733 on average. Flights to California from Ireland at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

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 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 $683 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 $639 on momondo.

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

There are 4 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 24% 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

$617

Fastest flight time

10h 35m

Direct flights

Every day

Airports in California

2 airports
The best one-way flight to California from Ireland in the past 72 hours is $617. The best round-trip flight deal from Ireland to California found on momondo in the last 72 hours is $566.
The fastest flight from Ireland to California takes 10h 35m
Direct flights go from Ireland to California every day.
There are 2 airports near California: San Francisco (SFO), Las Vegas Harry Reid Intl (LAS)
  • 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
Scandinavian AirlinesPriceFrom $445Free CancellationRating
7.4
1,486 reviews
Search Scandinavian Airlines flights
British AirwaysPriceFrom $458Free CancellationRating
6.7
7,367 reviews
Search British Airways flights
DeltaPriceFrom $472Free CancellationRating
7.9
7,961 reviews
Search Delta flights
Aer LingusPriceFrom $520Free CancellationRating
7.2
1,277 reviews
Search Aer Lingus flights
United AirlinesPriceFrom $544Free CancellationRating
7.4
8,926 reviews
Search United Airlines flights
American AirlinesPriceFrom $593Free CancellationRating
7.2
10,000 reviews
Search American 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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1 adult
Fri 10/17
Fri 10/24

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