California

$292+ 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 5/3. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — LAX
Jan 13 — Jan 201
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Cheap 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 December 14, 2025.

This Delta deal was found by Cheapflights users on 12/12. 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.
Tue 12/239:45 amDUB - LAS
2 stops22h 14mDelta
Thu 1/811:00 amLAS - DUB
2 stops17h 40mDelta
Deal found 12/12$608
This Finnair deal was found by Cheapflights users on 12/12. 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.
Fri 12/2611:30 amDUB - LAS
1 stop18h 29mMultiple Airlines
Tue 12/308:59 amLAS - DUB
1 stop14h 16mMultiple Airlines
Deal found 12/12$628
This Iberia deal was found by Cheapflights users on 12/13. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/241:00 pmDUB - LAS
1 stop14h 48mIberia
Sun 12/286:50 amLAS - DUB
1 stop17h 50mIberia
Deal found 12/13$632
This British Airways deal was found by Cheapflights users on 12/12. 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.
Tue 12/237:35 amDUB - LAS
1 stop19h 15mBritish Airways
Thu 1/87:55 pmLAS - DUB
1 stop13h 50mBritish Airways
Deal found 12/12$645
This Kiwi.com deal was found by Cheapflights users on 12/13. 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.
Wed 12/2410:40 amDUB - LAS
2 stops17h 42mLufthansa
Sun 12/287:00 amLAS - DUB
1 stop17h 10mLufthansa
Deal found 12/13$657
This Finnair deal was found by Cheapflights users on 12/12. 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.
Tue 12/2311:30 amDUB - LAS
1 stop14h 30mMultiple Airlines
Sun 12/2810:51 amLAS - DUB
1 stop12h 19mMultiple Airlines
Deal found 12/12$668
This Finnair deal was found by Cheapflights users on 12/12. 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.
Tue 12/2311:30 amDUB - LAS
1 stop14h 30mMultiple Airlines
Wed 12/319:50 amLAS - DUB
1 stop13h 25mMultiple Airlines
Deal found 12/12$669
This Finnair deal was found by Cheapflights users on 12/13. 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.
Tue 12/2311:30 amDUB - LAS
1 stop14h 30mMultiple Airlines
Thu 1/18:59 amLAS - DUB
1 stop14h 11mMultiple Airlines
Deal found 12/13$670
This Gotogate deal was found by Cheapflights users on 12/12. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/237:35 amDUB - LAS
1 stop19h 15mBritish Airways
Wed 12/311:39 pmLAS - DUB
2 stops15h 56mBritish Airways
Deal found 12/12$680
This United Airlines deal was found by Cheapflights users on 12/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2610:40 amDUB - LAS
1 stop34h 34mUnited Airlines
Tue 12/308:30 amLAS - DUB
2 stops15h 00mUnited Airlines
Deal found 12/12$685
This Delta deal was found by Cheapflights users on 12/12. 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.
Tue 12/239:45 amDUB - LAS
2 stops22h 14mDelta
Wed 12/3111:55 amLAS - DUB
2 stops19h 50mDelta
Deal found 12/12$687
This Kiwi.com deal was found by Cheapflights users on 12/12. 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 12/2610:40 amDUB - LAX
1 stop20h 03mLufthansa
Sat 1/178:20 amLAX - DUB
1 stop15h 10mLufthansa
Deal found 12/12$707

Find flight deals from Ireland to California

Keep the following information in mind while searching for Ireland to California flight deals. Data was last updated December 14, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$484
(British Airways)

One-way from

$292
(Kiwi.com)

Popular in

July

Cheapest in

February

Average price

$702

Good round-trip deal

$600 or less

Good one-way deal

$581 or less
Provider with most accurate pricing for Dublin-Los Angeles flight deals.
Provider most trusted by Cheapflights users for Dublin-Los Angeles flights.
From Ireland to California
One-way flight from Ireland to California
Highest demand for flights based on searches. 16% potential increase in price ($138 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($15 potential savings vs. average RT price).
Average for round-trip flights in December 2025
Price to beat on a round-trip flight from Ireland to California.
Price to beat on a one-way flight from Ireland to California.

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 December 14, 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

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Tue 3/10

10:55 am-11:49 pm

2 stops19h 54m

Las Vegas Harry Reid Intl

Tue 3/17

12:29 pm-2:20 pm

2 stops18h 51m

$484

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Sat 3/7

8:55 am-10:54 pm

2 stops21h 59m

Las Vegas Harry Reid Intl

Tue 3/10

9:55 pm-7:40 pm

1 stop14h 45m

$484

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Fri 3/6

8:35 pm-10:38 pm

2 stops34h 03m

Las Vegas Harry Reid Intl

Tue 3/10

9:55 pm-7:40 pm

1 stop14h 45m

$484

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Sat 3/7

8:55 am-10:54 pm

2 stops21h 59m

Las Vegas Harry Reid Intl

Mon 3/9

9:55 pm-7:40 pm

1 stop14h 45m

$484

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Fri 3/6

6:05 pm-5:49 pm

2 stops31h 44m

Las Vegas Harry Reid Intl

Tue 3/10

11:40 pm-8:40 am

1 stop26h 00m

$492

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Wed 1/28

8:50 am-6:50 pm

1 stop18h 00m

Las Vegas Harry Reid Intl

Wed 2/4

9:50 am-8:40 am

2 stops14h 50m

$496

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Thu 3/5

11:30 am-2:35 pm

2 stops35h 05m

San Francisco

Mon 3/9

5:40 pm-6:20 pm

1 stop17h 40m

$498

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Mon 3/2

12:30 pm-2:35 pm

2 stops34h 05m

San Francisco

Sun 3/15

5:40 pm-7:35 pm

2 stops18h 55m

$501

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Thu 1/15

11:30 am-2:35 pm

2 stops35h 05m

San Francisco

Thu 1/29

3:10 pm-6:20 pm

1 stop19h 10m

$502

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Sat 1/17

11:30 am-9:00 pm

2 stops17h 30m

Las Vegas Harry Reid Intl

Sat 1/31

11:01 am-8:40 am

2 stops13h 39m

$503

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/13

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, October is the cheapest month in which you can book a flight from Ireland to California (average of $435). Flying from Ireland to California in July is currently the most expensive (average of $695). 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 December 14, 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 December 14, 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.

Food

7.3

Crew

8.5

Entertainment

7.9

Overall

7.9

Comfort

7.9

Boarding

8.1

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

Food

7.3

Crew

8.5

Entertainment

7.9

Overall

7.9

Comfort

7.9

Boarding

8.1

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

Food

7.3

Crew

8.5

Entertainment

7.9

Overall

7.9

Comfort

7.9

Boarding

8.1

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

Food

7.3

Crew

8.5

Entertainment

7.9

Overall

7.9

Comfort

7.9

Boarding

8.1

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

Food

7.3

Crew

8.5

Entertainment

7.9

Overall

7.9

Comfort

7.9

Boarding

8.1

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

Food

7.3

Crew

8.5

Entertainment

7.9

Overall

7.9

Comfort

7.9

Boarding

8.1

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?

  • How long is the flight from Ireland to California?

    Airlines like British Airways, Scandinavian Airlines, and KLM fly from Ireland to California in about 19h 54m. The time it takes to get you to your destination can typically vary by up to 15h 11m. 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 $198 on WestJet. Other airlines that offer cheap prices include Iberia from $413 and Aer Lingus from $484 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, October is the cheapest month in which you can book a flight from Ireland to California (average of $435). Flying from Ireland to California in July is currently the most expensive (average of $695). 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

Browse thousands of different options on Cheapflights for your next trip

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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.

Top 6 airlines flying from Ireland to California

Discover the top 6 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 December 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$444Average$803FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$456Average$571FlexibilityNo cancel feeOn-time70%
DeltaCheapest$472Average$753FlexibilityNo cancel feeOn-timeN/A
Scandinavian AirlinesCheapest$475Average$682FlexibilityNo cancel feeOn-time77%
Aer LingusCheapest$482Average$697FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$589Average$812FlexibilityNo cancel feeOn-time71%

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