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Cheap flights from Ireland to California from £237

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 10/9. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — LAX
9 Jul — 16 Jul1
1 adult

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 4 July 2025.

Round-trip from

£364

One-way from

£237

Popular in

July

Cheapest in

February

Average price

£633

Good round-trip deal

£471 or less

Good one-way deal

£498 or less
26/8-30/8
  • 26/8-30/8
  • 4 total stops
  • 51h 44m total
  • Ireland to California
Search Deals
WestJet
  • WestJet
  • 10/9
  • 2 total stops
  • 40h 20m total
  • Ireland to California
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (£78 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£10 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2025
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

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 4 July 2025.

Tue 26/820:15DUB - LAS
2 stops32h 09mMultiple Airlines
Sat 30/807:55LAS - DUB
2 stops19h 35mMultiple Airlines
Deal found 2/7£364
Thu 30/1008:40DUB - LAS
1 stop18h 10mBritish Airways
Tue 4/1117:06LAS - DUB
2 stops15h 54mBritish Airways
Deal found 2/7£382
Sat 1/1105:55DUB - LAS
2 stops17h 30mDelta
Fri 7/1100:45LAS - DUB
1 stop23h 00mDelta
Deal found 3/7£392
Fri 31/1008:40DUB - LAS
1 stop18h 10mAmerican Airlines
Mon 10/1107:15LAS - DUB
1 stop17h 25mAmerican Airlines
Deal found 4/7£402
Thu 30/1018:05DUB - LAS
2 stops31h 34mFinnair
Tue 4/1112:05LAS - DUB
2 stops21h 15mFinnair
Deal found 2/7£405
Sat 13/912:40DUB - ONT
1 stop17h 53mIberia
Sat 27/908:15ONT - DUB
1 stop17h 30mIberia
Deal found 3/7£438
Thu 30/1019:05DUB - LAS
2 stops34h 42mScandinavian Airlines
Tue 4/1113:05LAS - DUB
2 stops38h 40mScandinavian Airlines
Deal found 2/7£440
Tue 4/1110:40DUB - LAS
2 stops16h 09mUnited Airlines
Tue 11/1111:55LAS - DUB
2 stops14h 25mUnited Airlines
Deal found 3/7£447
Sun 24/817:00DUB - LAX
1 stop31h 20mScandinavian Airlines
Sat 6/919:30LAX - DUB
1 stop32h 20mScandinavian Airlines
Deal found 1/7£451
Thu 30/1010:40DUB - LAS
1 stop14h 47mBrussels Airlines
Tue 4/1111:00LAS - DUB
1 stop13h 10mBrussels Airlines
Deal found 2/7£454
Fri 28/1105:55DUB - LAX
1 stop13h 50mMultiple Airlines
Fri 9/115:25LAX - DUB
1 stop16h 15mMultiple Airlines
Deal found 2/7£459
Fri 28/1105:55DUB - LAX
2 stops17h 29mDelta
Fri 9/112:15LAX - DUB
2 stops19h 25mDelta
Deal found 2/7£465

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 4 July 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 26/8

20:15-20:24

2 stops32h 09m

Las Vegas Harry Reid Intl

Sat 30/8

07:55-11:30

2 stops19h 35m

£364

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Thu 30/10

08:40-19:50

1 stop18h 10m

Las Vegas Harry Reid Intl

Tue 4/11

17:06-17:00

2 stops15h 54m

£382

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Sat 1/11

05:55-16:25

2 stops17h 30m

Las Vegas Harry Reid Intl

Fri 7/11

00:45-07:45

1 stop23h 00m

£392

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Fri 31/10

08:40-19:50

1 stop18h 10m

Las Vegas Harry Reid Intl

Mon 10/11

07:15-08:40

1 stop17h 25m

£402

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Mon 1/9

12:40-21:43

1 stop17h 03m

Las Vegas Harry Reid Intl

Mon 8/9

10:32-09:45

1 stop15h 13m

£406

DublinOntario

DUB - ONT

DUBONT

Dublin

Sat 13/9

12:40-22:33

1 stop17h 53m

Ontario

Sat 27/9

08:15-09:45

1 stop17h 30m

£438

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Thu 30/10

19:05-22:47

2 stops34h 42m

Las Vegas Harry Reid Intl

Tue 4/11

13:05-11:45

2 stops38h 40m

£440

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Tue 4/11

10:40-18:27

1 stop15h 47m

Las Vegas Harry Reid Intl

Tue 11/11

09:46-08:10

2 stops14h 24m

£447

DublinLos Angeles

DUB - LAX

DUBLAX

Dublin

Sun 24/8

17:00-16:20

1 stop31h 20m

Los Angeles

Sat 6/9

19:30-11:50

1 stop32h 20m

£451

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Thu 30/10

10:40-18:27

1 stop14h 47m

Las Vegas Harry Reid Intl

Tue 4/11

11:00-08:10

1 stop13h 10m

£454

Flights are sorted by cheapest return flights first.

Deals found on 3/7

Showing 1-10 of 60 results
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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, January is the cheapest month in which you can book a flight from Ireland to California (average of £575). Flying from Ireland to California in July is currently the most expensive (average of £811). 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 4 July 2025.

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 4 July 2025.

The most flights from IE0 to USCA are scheduled on a Monday (3 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (3 on average).

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 4 July 2025.
Read reviews from past customers who have flown with Singapore Airlines, Delta, andKLM from Ireland to California. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Singapore Airlines
8.1
Very Good
1,320 reviews
Check prices

Entertainment

8.0

Overall

8.1

Comfort

7.9

Crew

8.6

Boarding

8.2

Food

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
Singapore Airlines
8.1
Very Good
1,320 reviews
Singapore Airlines
8.1
Very Good
1,320 reviews
Check prices

Entertainment

8.0

Overall

8.1

Comfort

7.9

Crew

8.6

Boarding

8.2

Food

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
Delta
8.0
Very Good
7,970 reviews
Singapore Airlines
8.1
Very Good
1,320 reviews
Check prices

Entertainment

8.0

Overall

8.1

Comfort

7.9

Crew

8.6

Boarding

8.2

Food

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
KLM
7.8
Good
1,363 reviews
Singapore Airlines
8.1
Very Good
1,320 reviews
Check prices

Entertainment

8.0

Overall

8.1

Comfort

7.9

Crew

8.6

Boarding

8.2

Food

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
Finnair
7.6
Good
1,304 reviews
Singapore Airlines
8.1
Very Good
1,320 reviews
Check prices

Entertainment

8.0

Overall

8.1

Comfort

7.9

Crew

8.6

Boarding

8.2

Food

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
Air France
7.5
Good
1,473 reviews
Singapore Airlines
8.1
Very Good
1,320 reviews
Check prices

Entertainment

8.0

Overall

8.1

Comfort

7.9

Crew

8.6

Boarding

8.2

Food

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.

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 375 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • What are the cheapest airlines to fly from Ireland to California one-way?

    For one-way options, check prices for WestJet. According to our data, you can fly for as low as £237. Users have also found prices from £391 and £443 on Aer Lingus and British Airways, respectively.

  • 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, January is the cheapest month in which you can book a flight from Ireland to California (average of £575). Flying from Ireland to California in July is currently the most expensive (average of £811). 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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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 4 July 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest£290Average£356FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
KLMCheapest£321Average£499FlexibilityNo cancel feeOn-time75%
Search KLM flights
British AirwaysCheapest£325Average£500FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Aer LingusCheapest£334Average£561FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
IberiaCheapest£335Average£448FlexibilityNo cancel feeOn-time77%
Search Iberia flights
DeltaCheapest£343Average£555FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
American AirlinesCheapest£353Average£569FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
LufthansaCheapest£391Average£495FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
United AirlinesCheapest£405Average£592FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air FranceCheapest£409Average£558FlexibilityNo cancel feeOn-time77%
Search Air France 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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