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Cheap flights from Ireland to California from £259

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 17/9. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — LAX
1 Jul — 8 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 1 June 2026.

Sun 7/612:40
DUB
-
LAX
1 stop15h 07m
Iberia
Fri 12/610:13
LAX
-
DUB
1 stop36h 17m
Iberia
Deal found 27/5£458
Thu 11/612:40
DUB
-
LAS
1 stop18h 00m
Iberia
Mon 15/607:28
LAS
-
DUB
1 stop20h 22m
Iberia
Deal found 27/5£458
Thu 11/605:55
DUB
-
LAX
1 stop13h 55m
Delta
Wed 17/606:25
LAX
-
DUB
1 stop17h 30m
Delta
Deal found 28/5£460
Sat 6/605:55
DUB
-
LAX
2 stops18h 05m
Delta
Sun 21/622:45
LAX
-
DUB
1 stop26h 00m
Delta
Deal found 28/5£464
Sun 7/605:55
DUB
-
LAX
2 stops17h 56m
Delta
Sun 21/611:15
LAX
-
DUB
1 stop12h 40m
Delta
Deal found 28/5£464
Sun 7/609:30
DUB
-
SFO
1 stop22h 28m
Finnair
Sun 21/608:00
SFO
-
DUB
1 stop17h 45m
Finnair
Deal found 31/5£467
Mon 30/1119:05
DUB
-
SFO
1 stop27h 45m
Scandinavian Airlines
Thu 3/1216:45
SFO
-
DUB
1 stop17h 35m
Scandinavian Airlines
Deal found 27/5£467
Wed 26/819:05
DUB
-
SFO
1 stop27h 35m
Scandinavian Airlines
Sat 19/916:45
SFO
-
DUB
2 stops34h 10m
Scandinavian Airlines
Deal found 1/6£468
Tue 23/610:30
DUB
-
LAS
1 stop17h 30m
British Airways
Tue 7/715:23
LAS
-
DUB
2 stops16h 22m
British Airways
Deal found 30/5£472
Sat 28/1108:55
DUB
-
LAS
1 stop17h 55m
British Airways
Sat 5/1210:16
LAS
-
DUB
2 stops15h 34m
British Airways
Deal found 29/5£473
Wed 24/612:50
DUB
-
LAS
1 stop15h 10m
British Airways
Wed 1/722:10
LAS
-
DUB
1 stop25h 35m
British Airways
Deal found 27/5£475
Mon 30/1112:30
DUB
-
LAX
1 stop36h 30m
Scandinavian Airlines
Thu 3/1219:30
LAX
-
DUB
1 stop29h 55m
Scandinavian Airlines
Deal found 27/5£476

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 1 June 2026.

Round-trip from

£458

One-way from

£259

Popular in

July

Cheapest in

January

Average price

£565

Good round-trip deal

£566 or less

Good one-way deal

£594 or less
Iberia
  • Iberia
  • 11/6-15/6
  • 2 total stops
  • 38h 22m total
  • Ireland to California
Search Deals
WestJet
  • WestJet
  • 17/9
  • 3 total stops
  • 43h 00m total
  • Ireland to California
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (£80 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£13 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2026
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

 
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 1 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

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Thu 11/6

11:10-21:00

2 stops17h 50m

San Francisco

Mon 15/6

07:10-10:45

1 stop19h 35m

£481

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Mon 22/6

13:25-18:35

1 stop13h 10m

Las Vegas Harry Reid Intl

Mon 6/7

08:15-10:00

2 stops17h 45m

£502

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Sat 20/6

10:30-20:00

1 stop17h 30m

Las Vegas Harry Reid Intl

Sun 5/7

22:10-07:45

1 stop25h 35m

£507

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Mon 28/9

09:40-23:00

2 stops21h 20m

Las Vegas Harry Reid Intl

Wed 7/10

22:10-07:45

1 stop25h 35m

£532

DublinLos Angeles

DUB - LAX

DUBLAX

Dublin

Sun 25/10

18:55-18:00

2 stops30h 05m

Los Angeles Los Angeles

Sun 8/11

19:30-18:20

1 stop14h 50m

£533

DublinLos Angeles

DUB - LAX

DUBLAX

Dublin

Wed 23/9

19:05-20:01

2 stops32h 56m

Los Angeles Los Angeles

Thu 1/10

08:40-11:50

2 stops19h 10m

£534

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Sat 20/6

10:30-20:00

1 stop17h 30m

Las Vegas Harry Reid Intl

Mon 6/7

22:10-19:35

1 stop13h 25m

£536

DublinLos Angeles

DUB - LAX

DUBLAX

Dublin

Mon 12/10

19:05-20:19

2 stops33h 14m

Los Angeles Los Angeles

Mon 19/10

19:10-10:10

2 stops31h 00m

£550

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Mon 28/9

11:10-19:53

2 stops16h 43m

Las Vegas Harry Reid Intl

Wed 7/10

06:10-08:45

2 stops18h 35m

£554

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Thu 13/8

19:05-14:40

1 stop27h 35m

San Francisco

Thu 27/8

16:45-09:25

1 stop32h 40m

£558

Flights are sorted by cheapest return flights first.

Deals found on 28/5

Showing 1-10 of 60 resultsSorted by cheapest first
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6

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 £212). Flying from Ireland to California in July is currently the most expensive (average of £496). 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 1 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 1 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 1 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.
Scandinavian Airlines
7.4
Good
1,803 reviews
Check prices

Food

6.7

Boarding

7.6

Entertainment

6.7

Overall

7.4

Comfort

7.3

Crew

8.0

Reviews

1 / 20
8.0
Excellent

Abouzar,May 2026

IST - CPH

Food menu was bad, I like how smooth flight it was.
Scandinavian Airlines
7.4
Good
1,803 reviews
Scandinavian Airlines
7.4
Good
1,803 reviews
Check prices

Food

6.7

Boarding

7.6

Entertainment

6.7

Overall

7.4

Comfort

7.3

Crew

8.0

Reviews

1 / 20
8.0
Excellent

Abouzar,May 2026

IST - CPH

Food menu was bad, I like how smooth flight it was.
United Airlines
7.4
Good
9,768 reviews
Scandinavian Airlines
7.4
Good
1,803 reviews
Check prices

Food

6.7

Boarding

7.6

Entertainment

6.7

Overall

7.4

Comfort

7.3

Crew

8.0

Reviews

1 / 20
8.0
Excellent

Abouzar,May 2026

IST - CPH

Food menu was bad, I like how smooth flight it was.
Aer Lingus
7.3
Good
1,590 reviews
Scandinavian Airlines
7.4
Good
1,803 reviews
Check prices

Food

6.7

Boarding

7.6

Entertainment

6.7

Overall

7.4

Comfort

7.3

Crew

8.0

Reviews

1 / 20
8.0
Excellent

Abouzar,May 2026

IST - CPH

Food menu was bad, I like how smooth flight it was.
Air Canada
7.1
Good
11,107 reviews
Scandinavian Airlines
7.4
Good
1,803 reviews
Check prices

Food

6.7

Boarding

7.6

Entertainment

6.7

Overall

7.4

Comfort

7.3

Crew

8.0

Reviews

1 / 20
8.0
Excellent

Abouzar,May 2026

IST - CPH

Food menu was bad, I like how smooth flight it was.
British Airways
6.7
Okay
8,014 reviews
Scandinavian Airlines
7.4
Good
1,803 reviews
Check prices

Food

6.7

Boarding

7.6

Entertainment

6.7

Overall

7.4

Comfort

7.3

Crew

8.0

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?

    The Ireland to California flight path was viewed by 181 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?

    For as low as £507, Delta can have you in California from Ireland in 17h 30m. The distance between Ireland and California is about 4938 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 £212). Flying from Ireland to California in July is currently the most expensive (average of £496). 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.
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Manchester to Newark flights
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Stansted to Boston flights
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Gatwick to Dulles Intl flights
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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 1 June 2026.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest£314Average£405FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
TAP AIR PORTUGALCheapest£317Average£336FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
KLMCheapest£370Average£535FlexibilityNo cancel feeOn-time75%
Search KLM flights
Air FranceCheapest£376Average£587FlexibilityNo cancel feeOn-time77%
Search Air France flights
Aer LingusCheapest£382Average£554FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
British AirwaysCheapest£387Average£447FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Air CanadaCheapest£405Average£567FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
American AirlinesCheapest£406Average£576FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapest£437Average£626FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
JetBlueCheapest£451Average£708FlexibilityNo 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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