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$346+ Cheap flights from Ireland to California

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/1. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — LAX
Nov 28 — Dec 51
Fri 11/28
Fri 12/5
1 adult, Economy
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Find flight deals from Ireland to California

Cheapest flights from Ireland to California
Explore the most affordable flight options available from Ireland to California. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 29, 2025.

This KLM deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/138:50 amDUB - LAS
1 stop13h 25mKLM
Thu 11/209:33 amLAS - DUB
1 stop14h 12mKLM
Deal found 10/29$498
This Delta deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/48:50 amDUB - LAS
1 stop13h 25mDelta
Thu 12/1810:23 amLAS - DUB
2 stops13h 22mDelta
Deal found 10/28$499
This Delta deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/275:55 amDUB - LAS
2 stops21h 33mDelta
Thu 12/41:40 pmLAS - DUB
2 stops18h 05mDelta
Deal found 10/29$500
This Finnair deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2011:30 amDUB - LAS
1 stop15h 17mMultiple Airlines
Sat 11/2911:00 amLAS - DUB
1 stop12h 10mMultiple Airlines
Deal found 10/28$501
This Delta deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/51:25 pmDUB - LAS
2 stops18h 55mDelta
Tue 1/611:27 pmLAS - DUB
1 stop25h 18mDelta
Deal found 10/28$502
This Delta deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/131:25 pmDUB - LAS
2 stops18h 34mDelta
Thu 11/206:10 amLAS - DUB
2 stops17h 35mDelta
Deal found 10/29$503
This British Airways deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/88:50 amDUB - LAS
2 stops21h 27mBritish Airways
Sun 1/48:00 pmLAS - DUB
1 stop27h 55mBritish Airways
Deal found 10/28$504
This Delta deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/41:25 pmDUB - LAS
2 stops18h 55mDelta
Thu 12/116:00 amLAS - DUB
2 stops18h 45mDelta
Deal found 10/28$506
This British Airways deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/310:20 amDUB - LAS
2 stops21h 39mBritish Airways
Thu 1/86:03 amLAS - DUB
2 stops19h 47mBritish Airways
Deal found 10/28$507
This KLM deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/126:00 amDUB - LAS
2 stops18h 13mMultiple Airlines
Thu 11/2011:36 amLAS - DUB
1 stop12h 09mMultiple Airlines
Deal found 10/29$509
This American Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/121:10 pmDUB - LAS
2 stops30h 56mAmerican Airlines
Sat 11/2211:59 pmLAS - DUB
2 stops24h 41mAmerican Airlines
Deal found 10/29$510
This Kiwi.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/712:30 pmDUB - SFO
Nonstop11h 05mAer Lingus
Sat 11/225:20 pmSFO - DUB
Nonstop10h 05mAer Lingus
Deal found 10/28$511

Cheap flight deals from Ireland to California

Keep the following information in mind while searching for Ireland to California flight deals. Data was last updated October 29, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$467
(American Airlines)

One-way from

$346
(Kiwi.com)

Popular in

July

Cheapest in

February

Average price

$606

Good round-trip deal

$514 or less

Good one-way deal

$610 or less
Provider with most accurate pricing for Dublin-Los Angeles flight deals.
Search Deals
Provider most trusted by Cheapflights users for Dublin-Los Angeles flights.
Search Deals
From Ireland to California
Search Deals
One-way flight from Ireland to California
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($142 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals
Price to beat on a round-trip flight from Ireland to California.
Search Deals
Price to beat on a one-way flight from Ireland to California.
Search Deals

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated October 29, 2025.
Use the filters below to find and compare flights from Ireland to California that are best for you.

Fly from

Ireland

Fly to

California

Route

Depart

Return

Price

DublinSan Jose

DUB - SJC

DUBSJC

Dublin

Wed 2/11

1:10 pm-10:11 am

2 stops53h 01m

San Jose

Fri 2/20

8:10 am-10:00 am

2 stops17h 50m

$467

DublinSan Jose

DUB - SJC

DUBSJC

Dublin

Fri 2/20

11:30 am-10:31 pm

2 stops19h 01m

San Jose

Tue 2/24

8:10 am-5:00 pm

2 stops24h 50m

$469

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Tue 12/23

1:00 pm-9:57 pm

1 stop16h 57m

Las Vegas Harry Reid Intl

Thu 1/1

8:05 am-7:10 am

1 stop15h 05m

$499

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Wed 2/11

5:55 am-4:55 pm

2 stops19h 00m

Las Vegas Harry Reid Intl

Sun 2/15

7:05 am-7:50 am

2 stops16h 45m

$500

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Thu 1/8

11:30 am-9:00 pm

2 stops17h 30m

Las Vegas Harry Reid Intl

Mon 1/12

11:57 am-5:20 pm

2 stops21h 23m

$502

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Thu 3/12

8:50 am-8:10 pm

2 stops18h 20m

Las Vegas Harry Reid Intl

Mon 3/16

12:35 am-7:45 am

1 stop24h 10m

$503

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Thu 12/4

5:55 am-6:17 pm

2 stops20h 22m

Las Vegas Harry Reid Intl

Sun 12/7

12:44 am-7:45 am

1 stop23h 01m

$503

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Mon 12/8

8:50 am-7:13 pm

2 stops18h 23m

Las Vegas Harry Reid Intl

Wed 1/7

5:55 pm-7:45 pm

2 stops17h 50m

$504

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Mon 12/8

8:50 am-10:14 pm

2 stops21h 24m

Las Vegas Harry Reid Intl

Sun 1/4

8:00 pm-7:55 am

1 stop27h 55m

$504

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Thu 12/4

1:25 pm-12:20 am

2 stops18h 55m

Las Vegas Harry Reid Intl

Thu 12/18

6:10 am-7:45 am

2 stops17h 35m

$505

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

Showing 1-10 of 60 results
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Best time to book a flight from Ireland to California

Have a flexible travel schedule? Discover the best time to fly to California from Ireland with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Ireland to California

What is the cheapest month to book a flight from Ireland to California?

Currently, November is the cheapest month in which you can book a flight from Ireland to California (average of $428). Flying from Ireland to California in July is currently the most expensive (average of $696). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from IE to CA?

Find hourly flight availability from Ireland to California. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 29, 2025.

It’s optimal to fly from Ireland to California in the evening. By choosing this option you can save up to 32% on the cost of your flight, compared to a flight in the afternoon.

Reviews of airlines servicing California

Get insights into the airlines that provide service to California. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to California. Reviews last updated October 29, 2025.
See what other customers who have flown with Delta, United Airlines, and American Airlines from Ireland to California have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
7,992 reviews

Entertainment

7.9

Boarding

8.2

Food

7.3

Overall

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
7.9
Good
7,992 reviews
Delta
7.9
Good
7,992 reviews

Entertainment

7.9

Boarding

8.2

Food

7.3

Overall

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
9,001 reviews
Delta
7.9
Good
7,992 reviews

Entertainment

7.9

Boarding

8.2

Food

7.3

Overall

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
American Airlines
7.2
Good
11,032 reviews
Delta
7.9
Good
7,992 reviews

Entertainment

7.9

Boarding

8.2

Food

7.3

Overall

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Aer Lingus
7.2
Good
1,361 reviews
Delta
7.9
Good
7,992 reviews

Entertainment

7.9

Boarding

8.2

Food

7.3

Overall

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
British Airways
6.7
Okay
7,487 reviews
Delta
7.9
Good
7,992 reviews

Entertainment

7.9

Boarding

8.2

Food

7.3

Overall

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Ireland to California. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How popular is this Ireland to California flight route?

    This flight path from Ireland to California was viewed by 23 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Ireland to California?

    Airlines like American Airlines, Delta, and British Airways fly from Ireland to California in about 18h 20m. The time it takes to get you to your destination can typically vary by up to 34h 41m. The distance from Ireland to California is about 4938 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Ireland to California one-way?

    One-way options have recently been found by users for as low as $378 on Aer Lingus. Other airlines that offer cheap prices include British Airways from $461 and Finnair from $538 one-way.

  • Can I find deals for flights from Ireland to California that include hotel bookings?

    Yes. In addition to deals on Ireland to California flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ireland to California?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ireland to California.

  • Can I find deals for business class flights from Ireland to California?

    Yes. Cheapflights offers flight deals from Ireland to California by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Ireland to California?

    Currently, November is the cheapest month in which you can book a flight from Ireland to California (average of $428). Flying from Ireland to California in July is currently the most expensive (average of $696). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Ireland to California

See prices for flight routes from nearby airports that may be better suited for you.
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Top 7 airlines flying from Ireland to California

Discover the top 7 airlines that operate flights from Ireland to California. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$445Average$625FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$456Average$627FlexibilityNo cancel feeOn-time70%
DeltaCheapest$472Average$753FlexibilityNo cancel feeOn-timeN/A
Aer LingusCheapest$514Average$688FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$566Average$776FlexibilityNo cancel feeOn-time69%
IberiaCheapest$580Average$602FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$593Average$821FlexibilityNo cancel feeOn-time71%

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