California

$378+ 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 8/12. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — LAX
Jul 16 — Jul 231
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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 June 16, 2026.

This Gotogate deal was found by Cheapflights users on 6/15. 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.
Thu 9/171:00 pm
DUB
-
LAS
1 stop15h 00m
British Airways
Thu 10/810:10 pm
LAS
-
DUB
1 stop13h 10m
British Airways
Deal found 6/15$622
This Delta deal was found by Cheapflights users on 6/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/306:00 am
DUB
-
LAS
1 stop15h 10m
Delta
Sat 12/511:36 pm
LAS
-
DUB
1 stop25h 09m
Delta
Deal found 6/11$626
This Expedia deal was found by Cheapflights users on 6/11. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/271:45 pm
DUB
-
LAS
1 stop16h 34m
Iberia
Sat 9/56:42 am
LAS
-
DUB
1 stop15h 48m
Iberia
Deal found 6/11$631
This Flysmarter deal was found by Cheapflights users on 6/14. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/288:35 am
DUB
-
LAS
1 stop19h 25m
British Airways
Wed 9/910:10 pm
LAS
-
DUB
1 stop13h 20m
British Airways
Deal found 6/14$633
This lastminute.com deal was found by Cheapflights users on 6/11. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/88:35 am
DUB
-
LAS
2 stops20h 02m
British Airways
Sat 9/2610:54 pm
LAS
-
DUB
2 stops24h 51m
British Airways
Deal found 6/11$634
This British Airways deal was found by Cheapflights users on 6/15. 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 9/171:00 pm
DUB
-
LAS
1 stop15h 00m
British Airways
Tue 10/68:53 am
LAS
-
DUB
2 stops16h 47m
British Airways
Deal found 6/15$635
This Flighttix deal was found by Cheapflights users on 6/15. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/911:45 am
DUB
-
LAS
1 stop33h 42m
Multiple Airlines
Sun 9/2710:44 am
LAS
-
DUB
1 stop15h 01m
Multiple Airlines
Deal found 6/15$636
This Scandinavian Airlines deal was found by Cheapflights users on 6/15. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/17:05 pm
DUB
-
SFO
1 stop27h 35m
Scandinavian Airlines
Sat 9/124:45 pm
SFO
-
DUB
2 stops33h 40m
Scandinavian Airlines
Deal found 6/15$637
This lastminute.com deal was found by Cheapflights users on 6/15. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/97:45 pm
DUB
-
LAS
2 stops30h 05m
British Airways
Fri 9/2510:54 pm
LAS
-
DUB
2 stops24h 51m
British Airways
Deal found 6/15$637
This KAYAK deal was found by Cheapflights users on 6/15. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/167:05 pm
DUB
-
SFO
1 stop27h 35m
Scandinavian Airlines
Wed 10/74:45 pm
SFO
-
DUB
1 stop17h 35m
Scandinavian Airlines
Deal found 6/15$638
This lol.travel deal was found by Cheapflights users on 6/11. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/128:35 am
DUB
-
LAS
1 stop19h 25m
British Airways
Sat 9/1910:10 pm
LAS
-
DUB
1 stop25h 35m
British Airways
Deal found 6/11$638
This Scandinavian Airlines deal was found by Cheapflights users on 6/15. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/47:05 pm
DUB
-
SFO
1 stop27h 35m
Scandinavian Airlines
Sat 9/124:45 pm
SFO
-
DUB
2 stops33h 40m
Scandinavian Airlines
Deal found 6/15$639

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 June 16, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$626
(Delta)

One-way from

$378
(Cheapflightsfares)

Popular in

July

Cheapest in

January

Average price

$784

Good round-trip deal

$750 or less

Good one-way deal

$625 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. 18% potential increase in price ($162 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($23 potential savings vs. average RT price).
Average for round-trip flights in June 2026
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 June 16, 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

Tue 9/15

10:30 am-8:00 pm

1 stop17h 30m

Las Vegas Harry Reid Intl

Thu 10/8

10:10 pm-7:20 pm

1 stop13h 10m

$635

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Wed 9/9

9:40 am-11:00 pm

2 stops21h 20m

Las Vegas Harry Reid Intl

Sun 9/27

10:44 am-9:45 am

1 stop15h 01m

$640

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Wed 9/2

9:40 am-11:00 pm

2 stops21h 20m

Las Vegas Harry Reid Intl

Wed 9/16

10:44 am-9:45 am

1 stop15h 01m

$641

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Thu 9/10

9:40 am-11:00 pm

2 stops21h 20m

Las Vegas Harry Reid Intl

Thu 9/17

10:44 am-9:45 am

1 stop15h 01m

$641

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Tue 11/24

8:50 am-8:01 pm

2 stops19h 11m

Las Vegas Harry Reid Intl

Thu 12/3

8:55 am-9:00 am

2 stops16h 05m

$644

DublinSan Jose

DUB - SJC

DUBSJC

Dublin

Thu 11/5

1:00 pm-8:49 pm

1 stop15h 49m

San Jose

Thu 11/12

6:00 am-7:15 am

1 stop17h 15m

$652

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Fri 11/13

10:45 am-6:50 pm

1 stop16h 05m

Las Vegas Harry Reid Intl

Tue 11/17

7:00 am-9:35 am

2 stops18h 35m

$658

DublinSan Jose

DUB - SJC

DUBSJC

Dublin

Thu 11/5

5:45 am-8:58 pm

2 stops23h 13m

San Jose

Thu 11/12

9:50 am-3:45 pm

2 stops21h 55m

$682

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Thu 10/15

5:55 am-4:21 pm

2 stops18h 26m

San Francisco

Thu 10/22

11:05 am-3:25 pm

2 stops20h 20m

$690

DublinSanta Ana

DUB - SNA

DUBSNA

Dublin

Thu 12/3

8:50 am-10:10 pm

2 stops21h 20m

Santa Ana J. Wayne/Orange Cnty

Mon 12/7

1:25 pm-5:05 pm

2 stops19h 40m

$691

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 60 resultsSorted by cheapest first
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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 $285). Flying from Ireland to California in July is currently the most expensive (average of $607). 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 June 16, 2026.

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.

Weekly flight availability from Ireland to California

Explore weekly flight availability from Ireland to California. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated June 16, 2026.

The most flights from IE0 to USCA are scheduled on a Monday (4 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (4 on average).

How far ahead should I book a flight from Ireland to California?

The best time to book flights from Ireland to California is 53 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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 June 16, 2026.
See what other customers who have flown with Delta,United Airlines, andAer Lingus 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

7.2

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

7.9

Entertainment

7.8

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

7.2

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

7.9

Entertainment

7.8

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

7.2

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

7.9

Entertainment

7.8

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

7.2

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

7.9

Entertainment

7.8

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

7.2

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

7.9

Entertainment

7.8

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, Finnair, and Delta fly from Ireland to California in about 17h 30m. The time it takes to get you to your destination can typically vary by up to 5h 43m. 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 $327 on WestJet. Other airlines that offer cheap prices include JetBlue from $374 and Aer Lingus from $434 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 $285). Flying from Ireland to California in July is currently the most expensive (average of $607). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ireland to California

See prices for flight routes from nearby airports that may be better suited for you.

Top 4 airlines flying from Ireland to California

Discover the top 4 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 June 16, 2026.
AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest$483Average$758FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$568Average$906FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$589Average$1,080FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$787Average$979FlexibilityNo cancel feeOn-time69%

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