Cheap flights from Ireland to California from £343

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 8/9. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — LAX
8 Jul — 15 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ireland to California

Enter your travel dates to find the best prices.

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 8 June 2026.

Tue 25/808:35
DUB
-
LAS
1 stop19h 25m
British Airways
Tue 8/922:10
LAS
-
DUB
1 stop13h 20m
British Airways
Deal found 4/6£467
Tue 25/812:40
DUB
-
SFO
1 stop34h 00m
Scandinavian Airlines
Thu 3/916:45
SFO
-
DUB
2 stops42h 30m
Scandinavian Airlines
Deal found 5/6£473
Wed 7/1010:30
DUB
-
LAS
1 stop17h 30m
British Airways
Sun 11/1022:10
LAS
-
DUB
1 stop29h 50m
British Airways
Deal found 7/6£474
Fri 19/611:45
DUB
-
LAS
1 stop18h 55m
Multiple Airlines
Wed 24/615:38
LAS
-
DUB
1 stop12h 12m
Multiple Airlines
Deal found 4/6£475
Tue 8/912:50
DUB
-
LAS
1 stop15h 10m
British Airways
Sun 27/922:10
LAS
-
DUB
1 stop13h 25m
British Airways
Deal found 5/6£477
Wed 23/912:50
DUB
-
LAS
1 stop15h 10m
British Airways
Sat 3/1008:45
LAS
-
DUB
2 stops16h 55m
British Airways
Deal found 5/6£478
Wed 30/908:35
DUB
-
LAS
2 stops20h 12m
British Airways
Wed 7/1008:53
LAS
-
DUB
2 stops20h 02m
British Airways
Deal found 5/6£482
Fri 13/1112:30
DUB
-
SFO
1 stop34h 20m
Scandinavian Airlines
Mon 16/1107:00
SFO
-
DUB
2 stops20h 45m
Scandinavian Airlines
Deal found 7/6£484
Fri 9/1014:50
DUB
-
LAS
Nonstop10h 40m
Aer Lingus
Wed 14/1019:15
LAS
-
DUB
Nonstop10h 00m
Aer Lingus
Deal found 3/6£484
Mon 21/1208:50
DUB
-
SFO
1 stop14h 10m
British Airways
Tue 5/117:30
SFO
-
DUB
1 stop15h 30m
British Airways
Deal found 6/6£486
Sun 29/1119:05
DUB
-
SFO
1 stop27h 45m
Scandinavian Airlines
Thu 4/316:45
SFO
-
DUB
1 stop17h 35m
Scandinavian Airlines
Deal found 5/6£488
Mon 5/1008:30
DUB
-
LAX
1 stop14h 25m
British Airways
Thu 15/1017:05
LAX
-
DUB
1 stop13h 25m
British Airways
Deal found 7/6£491

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 8 June 2026.

Round-trip from

£467

One-way from

£343

Popular in

July

Cheapest in

January

Average price

£588

Good round-trip deal

£571 or less

Good one-way deal

£600 or less
British Airways
  • British Airways
  • 25/8-8/9
  • 2 total stops
  • 32h 45m total
  • Ireland to California
JetBlue
  • JetBlue
  • 8/9
  • 1 total stop
  • 19h 05m total
  • Ireland to California
Highest demand for flights based on searches. 17% potential increase in price (£90 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£14 potential savings vs. average return 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

 
Customise 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 858,174 searches. Data last updated 8 June 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 return flight

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Wed 7/10

08:35-20:00

1 stop19h 25m

Las Vegas Harry Reid Intl

Sun 11/10

22:10-09:40

1 stop27h 30m

£474

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Fri 9/10

10:30-20:00

1 stop17h 30m

Las Vegas Harry Reid Intl

Wed 14/10

17:20-14:35

1 stop13h 15m

£479

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Mon 23/11

12:35-14:50

2 stops34h 15m

San Francisco

Fri 27/11

16:45-09:25

1 stop32h 40m

£497

DublinLos Angeles

DUB - LAX

DUBLAX

Dublin

Sat 24/10

20:00-18:00

2 stops30h 00m

Los Angeles Los Angeles

Tue 3/11

19:30-10:10

2 stops30h 40m

£512

DublinSan Jose

DUB - SJC

DUBSJC

Dublin

Fri 4/12

10:45-10:17

2 stops31h 32m

San Jose

Thu 4/3

14:08-17:25

2 stops19h 17m

£513

DublinLos Angeles

DUB - LAX

DUBLAX

Dublin

Wed 23/9

10:30-18:20

1 stop15h 50m

Los Angeles Los Angeles

Thu 1/10

17:05-14:30

1 stop13h 25m

£516

DublinLos Angeles

DUB - LAX

DUBLAX

Dublin

Thu 3/9

10:30-18:20

1 stop15h 50m

Los Angeles Los Angeles

Sat 12/9

17:10-14:25

1 stop13h 15m

£520

DublinSanta Ana

DUB - SNA

DUBSNA

Dublin

Thu 18/6

12:40-20:26

1 stop15h 46m

Santa Ana J. Wayne/Orange Cnty

Wed 8/7

12:55-09:45

1 stop12h 50m

£523

DublinSanta Ana

DUB - SNA

DUBSNA

Dublin

Thu 18/6

12:40-20:26

1 stop15h 46m

Santa Ana J. Wayne/Orange Cnty

Wed 8/7

12:55-09:45

1 stop12h 50m

£527

DublinSanta Ana

DUB - SNA

DUBSNA

Dublin

Thu 18/6

11:45-22:19

2 stops18h 34m

Santa Ana J. Wayne/Orange Cnty

Wed 8/7

11:31-11:50

1 stop16h 19m

£541

Flights are sorted by cheapest return flights first.

Deals found on 3/6

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 return 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 £214). Flying from Ireland to California in July is currently the most expensive (average of £500). 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 8 June 2026.

When flying from Ireland to California, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 8 June 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 price you pay for your flight from Ireland to California may vary depending on when you book. For the best chance of a lower fare, look to book 53 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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 8 June 2026.
Read reviews from past customers who have flown with Scandinavian Airlines,United Airlines, andAer Lingus from Ireland to California. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Comfort

7.3

Food

6.7

Overall

7.4

Entertainment

6.7

Crew

8.0

Boarding

7.6

Reviews

1 / 20
8.0
Excellent

Abouzar,May 2026

IST - CPH

Food menu was bad, I like how smooth flight it was.

Comfort

7.3

Food

6.7

Overall

7.4

Entertainment

6.7

Crew

8.0

Boarding

7.6

Reviews

1 / 20
8.0
Excellent

Abouzar,May 2026

IST - CPH

Food menu was bad, I like how smooth flight it was.

Comfort

7.3

Food

6.7

Overall

7.4

Entertainment

6.7

Crew

8.0

Boarding

7.6

Reviews

1 / 20
8.0
Excellent

Abouzar,May 2026

IST - CPH

Food menu was bad, I like how smooth flight it was.

Comfort

7.3

Food

6.7

Overall

7.4

Entertainment

6.7

Crew

8.0

Boarding

7.6

Reviews

1 / 20
8.0
Excellent

Abouzar,May 2026

IST - CPH

Food menu was bad, I like how smooth flight it was.

Comfort

7.3

Food

6.7

Overall

7.4

Entertainment

6.7

Crew

8.0

Boarding

7.6

Reviews

1 / 20
8.0
Excellent

Abouzar,May 2026

IST - CPH

Food menu was bad, I like how smooth flight it was.

Comfort

7.3

Food

6.7

Overall

7.4

Entertainment

6.7

Crew

8.0

Boarding

7.6

Reviews

1 / 20
8.0
Excellent

Abouzar,May 2026

IST - CPH

Food menu was bad, I like how smooth flight it was.

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?

    For as low as £523, British Airways can have you in California from Ireland in 15h 46m. The distance between Ireland and California is about 5163 mi. Both multi-stop and direct flights can be found to your destination and back.

  • 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 holiday 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 £214). Flying from Ireland to California in July is currently the most expensive (average of £500). 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 10 airlines flying from Ireland to California

Discover the top 10 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 858,174 searches. Data last updated 8 June 2026.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest£316Average£408FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
TAP AIR PORTUGALCheapest£320Average£339FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
KLMCheapest£374Average£540FlexibilityNo cancel feeOn-time75%
Search KLM flights
Air FranceCheapest£379Average£592FlexibilityNo cancel feeOn-time77%
Search Air France flights
Aer LingusCheapest£386Average£559FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
British AirwaysCheapest£391Average£451FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Air CanadaCheapest£409Average£572FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
American AirlinesCheapest£409Average£581FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapest£441Average£631FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
JetBlueCheapest£455Average£714FlexibilityNo cancel feeOn-time62%
Search JetBlue flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Ireland to California?

Cheapflights makes it easy to find Ireland to California flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Ireland to California?

Cheapflights helps you find that perfect flight to California from Ireland by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Ireland to California with no change fees?

Certainly. Search results for flights to California from Ireland shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Ireland to California become cheaper?

Yes, Cheapflights offers price alerts on Ireland to California flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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