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$288+ 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 10/7. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — LAX
Oct 14 — Oct 211
Tue 10/14
Tue 10/21
1 adult, Economy
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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 September 14, 2025.

Round-trip from

$523
(Finnair)

One-way from

$288
(Kiwi.com)

Popular in

July

Cheapest in

February

Average price

$641

Good round-trip deal

$566 or less

Good one-way deal

$614 or less
From Ireland to California
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One-way flight from Ireland to California
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Highest demand for flights based on searches. 16% potential increase in price ($137 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Ireland to California.
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Price to beat on a one-way flight from Ireland to California.
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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 September 14, 2025.

This Finnair deal was found by Cheapflights users on 9/11. 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 10/1410:25 amDUB - LAS
1 stop17h 35mMultiple Airlines
Tue 10/219:55 amLAS - DUB
1 stop15h 50mMultiple Airlines
Deal found 9/11$523
This Finnair deal was found by Cheapflights users on 9/12. 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.
Wed 10/2210:50 amDUB - LAS
1 stop17h 10mMultiple Airlines
Sun 10/269:53 amLAS - DUB
1 stop14h 17mMultiple Airlines
Deal found 9/12$524
This British Airways deal was found by Cheapflights users on 9/13. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/68:40 pmDUB - LAS
1 stop30h 10mBritish Airways
Sat 11/228:55 pmLAS - DUB
1 stop14h 50mBritish Airways
Deal found 9/13$525
This British Airways deal was found by Cheapflights users on 9/14. 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 12/31:10 pmDUB - LAS
1 stop13h 40mBritish Airways
Sun 12/78:55 pmLAS - DUB
1 stop28h 55mBritish Airways
Deal found 9/14$526
This Mytrip deal was found by Cheapflights users on 9/12. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/67:05 pmDUB - LAS
3 stops31h 23mMultiple Airlines
Tue 11/117:00 amLAS - DUB
2 stops19h 45mMultiple Airlines
Deal found 9/12$527
This American Airlines deal was found by Cheapflights users on 9/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2312:45 pmDUB - LAS
1 stop15h 10mAmerican Airlines
Wed 10/295:38 pmLAS - DUB
1 stop30h 32mAmerican Airlines
Deal found 9/12$528
This Finnair deal was found by Cheapflights users on 9/12. 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 10/2110:25 amDUB - LAS
1 stop17h 35mMultiple Airlines
Mon 10/271:10 amLAS - DUB
1 stop24h 30mMultiple Airlines
Deal found 9/12$529
This American Airlines deal was found by Cheapflights users on 9/14. 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.
Thu 10/2312:40 pmDUB - LAS
1 stop15h 35mAmerican Airlines
Fri 10/318:00 amLAS - DUB
1 stop17h 40mAmerican Airlines
Deal found 9/14$530
This British Airways deal was found by Cheapflights users on 9/14. 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 12/238:50 amDUB - LAS
2 stops21h 09mBritish Airways
Thu 1/110:11 amLAS - DUB
2 stops18h 14mBritish Airways
Deal found 9/14$531
This Delta deal was found by Cheapflights users on 9/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/25:55 amDUB - LAS
2 stops18h 19mDelta
Wed 12/1011:02 amLAS - DUB
2 stops17h 38mDelta
Deal found 9/13$532
This oojo deal was found by Cheapflights users on 9/12. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2911:30 amDUB - LAX
2 stops37h 30mScandinavian Airlines
Wed 11/127:30 pmLAX - DUB
1 stop32h 15mScandinavian Airlines
Deal found 9/12$534
This British Airways deal was found by Cheapflights users on 9/14. 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 12/110:45 amDUB - LAS
2 stops18h 56mBritish Airways
Mon 12/88:55 pmLAS - DUB
1 stop15h 50mBritish Airways
Deal found 9/14$534

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 September 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 10/14

10:25 am-8:00 pm

1 stop17h 35m

Las Vegas Harry Reid Intl

Tue 10/21

9:55 am-9:45 am

1 stop15h 50m

$523

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Mon 12/1

8:50 am-6:50 pm

1 stop18h 00m

Las Vegas Harry Reid Intl

Sun 12/7

8:55 pm-7:40 pm

1 stop14h 45m

$526

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Wed 12/3

1:25 pm-2:15 pm

1 stop32h 50m

Las Vegas Harry Reid Intl

Wed 12/10

11:56 am-12:40 pm

2 stops16h 44m

$526

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Tue 12/2

10:55 am-6:50 pm

1 stop15h 55m

Las Vegas Harry Reid Intl

Sun 12/7

8:55 pm-7:40 pm

1 stop14h 45m

$526

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Wed 12/3

10:20 am-6:50 pm

1 stop16h 30m

Las Vegas Harry Reid Intl

Fri 12/12

8:55 pm-7:50 pm

1 stop14h 55m

$526

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Mon 12/1

1:00 pm-6:50 pm

1 stop13h 50m

Las Vegas Harry Reid Intl

Sat 12/13

8:55 pm-6:40 pm

1 stop13h 45m

$526

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Sun 11/30

8:40 pm-6:50 pm

1 stop30h 10m

Las Vegas Harry Reid Intl

Sun 12/7

8:55 pm-7:40 pm

1 stop14h 45m

$526

DublinSanta Ana

DUB - SNA

DUBSNA

Dublin

Thu 10/30

1:10 pm-8:25 am

2 stops26h 15m

Santa Ana J. Wayne/Orange Cnty

Mon 11/3

8:30 am-9:50 am

2 stops17h 20m

$540

DublinOntario

DUB - ONT

DUBONT

Dublin

Wed 2/25

10:20 am-11:43 pm

2 stops21h 23m

Ontario

Sun 3/1

5:03 pm-4:50 pm

2 stops15h 47m

$552

DublinBurbank

DUB - BUR

DUBBUR

Dublin

Thu 10/30

1:10 pm-11:45 am

2 stops29h 35m

Burbank Bob Hope

Mon 11/3

7:00 am-9:50 am

2 stops18h 50m

$552

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

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, January is the cheapest month in which you can book a flight from Ireland to California (average of $246). Flying from Ireland to California in March is currently the most expensive (average of $325). 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 September 14, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ireland to California as you normally would.

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 September 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.
Delta
8.0
Very good
7,956 reviews

Comfort

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

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
8.0
Very good
7,956 reviews
Delta
8.0
Very good
7,956 reviews

Comfort

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

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
8,931 reviews
Delta
8.0
Very good
7,956 reviews

Comfort

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

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
10,000 reviews
Delta
8.0
Very good
7,956 reviews

Comfort

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

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
1,271 reviews
Delta
8.0
Very good
7,956 reviews

Comfort

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

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
7,361 reviews
Delta
8.0
Very good
7,956 reviews

Comfort

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

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 British Airways, American Airlines, and Delta fly from Ireland to California in about 13h 55m. The time it takes to get you to your destination can typically vary by up to 15h 40m. The distance from Ireland to California is about 5165 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 $288 on WestJet. Other airlines that offer cheap prices include Aer Lingus from $525 and JetBlue from $574 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, January is the cheapest month in which you can book a flight from Ireland to California (average of $246). Flying from Ireland to California in March is currently the most expensive (average of $325). 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 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 September 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$445Average$625FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$458Average$625FlexibilityNo cancel feeOn-time70%
DeltaCheapest$472Average$753FlexibilityNo cancel feeOn-timeN/A
Aer LingusCheapest$520Average$686FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$544Average$772FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$593Average$817FlexibilityNo cancel feeOn-time71%

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