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Cheap flights from Ireland to California from £275

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 17/6. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — LAX
23 Apr — 30 Apr1
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 18 April 2025.

Round-trip from

£406

One-way from

£275

Popular in

July

Cheapest in

February

Average price

£490

Good round-trip deal

£435 or less

Good one-way deal

£454 or less
British Airways
  • British Airways
  • 27/5-3/6
  • 3 total stops
  • 38h 51m total
  • Ireland to California
Search Deals
WestJet
  • WestJet
  • 17/6
  • 2 total stops
  • 32h 15m total
  • Ireland to California
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (£83 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£11 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 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 18 April 2025.

Tue 27/512:45DUB - LAS
1 stop15h 15mBritish Airways
Tue 3/611:54LAS - DUB
2 stops23h 36mBritish Airways
Deal found 18/4£406
Sat 17/509:30DUB - LAS
1 stop19h 40mMultiple Airlines
Sat 24/511:54LAS - DUB
2 stops16h 01mMultiple Airlines
Deal found 17/4£410
Wed 21/505:55DUB - LAS
2 stops17h 50mDelta
Mon 26/506:20LAS - DUB
2 stops17h 35mDelta
Deal found 17/4£417
Wed 21/511:00DUB - LAS
1 stop17h 05mKLM
Tue 27/509:15LAS - DUB
1 stop14h 40mKLM
Deal found 17/4£422
Fri 16/519:05DUB - SJC
2 stops32h 20mScandinavian Airlines
Mon 19/514:20SJC - DUB
2 stops37h 30mScandinavian Airlines
Deal found 17/4£424
Mon 12/519:05DUB - SFO
1 stop29h 25mScandinavian Airlines
Mon 19/512:40SFO - DUB
2 stops39h 10mScandinavian Airlines
Deal found 17/4£426
Thu 4/906:15DUB - LAX
1 stop15h 45mMultiple Airlines
Wed 10/916:30LAX - DUB
1 stop22h 25mMultiple Airlines
Deal found 17/4£427
Fri 11/711:45DUB - LAX
1 stop15h 08mAmerican Airlines
Sun 27/710:37LAX - DUB
1 stop15h 08mAmerican Airlines
Deal found 17/4£435
Fri 16/508:35DUB - SFO
1 stop16h 40mBritish Airways
Mon 19/516:20SFO - DUB
1 stop14h 20mBritish Airways
Deal found 17/4£436
Thu 15/519:05DUB - LAS
2 stops36h 20mScandinavian Airlines
Wed 28/513:57LAS - DUB
2 stops37h 53mScandinavian Airlines
Deal found 17/4£438
Sat 12/709:20DUB - LAX
1 stop14h 53mAir Canada
Sun 27/707:30LAX - DUB
1 stop16h 45mAir Canada
Deal found 17/4£439
Wed 18/608:55DUB - SNA
2 stops19h 14mMultiple Airlines
Fri 4/708:00SNA - DUB
1 stop15h 55mMultiple Airlines
Deal found 17/4£439

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 18 April 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 27/5

12:45-20:00

1 stop15h 15m

Las Vegas Harry Reid Intl

Tue 3/6

11:54-19:30

2 stops23h 36m

£406

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Sat 17/5

09:30-21:10

1 stop19h 40m

Las Vegas Harry Reid Intl

Sat 24/5

11:54-11:55

2 stops16h 01m

£410

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Wed 21/5

05:55-15:45

2 stops17h 50m

Las Vegas Harry Reid Intl

Mon 26/5

06:20-07:55

2 stops17h 35m

£417

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Wed 21/5

11:00-20:05

1 stop17h 05m

Las Vegas Harry Reid Intl

Tue 27/5

09:15-07:55

1 stop14h 40m

£422

DublinSan Jose

DUB - SJC

DUBSJC

Dublin

Fri 16/5

19:05-19:25

2 stops32h 20m

San Jose

Mon 19/5

14:20-11:50

2 stops37h 30m

£424

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Mon 12/5

19:05-16:30

1 stop29h 25m

San Francisco

Mon 19/5

12:40-11:50

2 stops39h 10m

£426

DublinLos Angeles

DUB - LAX

DUBLAX

Dublin

Thu 4/9

06:15-14:00

1 stop15h 45m

Los Angeles

Wed 10/9

16:30-22:55

1 stop22h 25m

£427

DublinLos Angeles

DUB - LAX

DUBLAX

Dublin

Fri 11/7

11:45-18:53

1 stop15h 08m

Los Angeles

Sun 27/7

10:37-09:45

1 stop15h 08m

£435

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Fri 16/5

08:35-17:15

1 stop16h 40m

San Francisco

Mon 19/5

16:20-14:40

1 stop14h 20m

£436

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Thu 15/5

19:05-23:25

2 stops36h 20m

Las Vegas Harry Reid Intl

Wed 28/5

13:57-11:50

2 stops37h 53m

£438

Flights are sorted by cheapest return flights first.

Deals found on 17/4

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 18 April 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.

Rainfall in California by month

Plan your trip to California by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in California ranges from 0.0 - 87.0 inches per month. February is typically the wettest month, when rainfall can reach 87.0 mm. July is typically the driest time to visit California when rainfall is around 0.0 mm.

Temperature in California by month

Plan your trip to California by taking into account the average temperature totals by month.

If weather is an important factor for your trip to California, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 14.0 C).

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 18 April 2025.
Peruse reviews from past customers who have flown with Singapore Airlines, Delta and KLM from Ireland to California to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Singapore Airlines
8.1
Very Good
1,288 reviews
Check prices

Crew

8.6

Entertainment

8.0

Overall

8.1

Comfort

7.9

Food

7.7

Boarding

8.2

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
1,288 reviews
Singapore Airlines
8.1
Very Good
1,288 reviews
Check prices

Crew

8.6

Entertainment

8.0

Overall

8.1

Comfort

7.9

Food

7.7

Boarding

8.2

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
7,917 reviews
Singapore Airlines
8.1
Very Good
1,288 reviews
Check prices

Crew

8.6

Entertainment

8.0

Overall

8.1

Comfort

7.9

Food

7.7

Boarding

8.2

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
1,329 reviews
Singapore Airlines
8.1
Very Good
1,288 reviews
Check prices

Crew

8.6

Entertainment

8.0

Overall

8.1

Comfort

7.9

Food

7.7

Boarding

8.2

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 Transat
7.8
Good
385 reviews
Singapore Airlines
8.1
Very Good
1,288 reviews
Check prices

Crew

8.6

Entertainment

8.0

Overall

8.1

Comfort

7.9

Food

7.7

Boarding

8.2

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
1,269 reviews
Singapore Airlines
8.1
Very Good
1,288 reviews
Check prices

Crew

8.6

Entertainment

8.0

Overall

8.1

Comfort

7.9

Food

7.7

Boarding

8.2

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 398 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 £275. Users have also found prices from £407 and £484 on JetBlue and Finnair, 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 18 April 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest£299Average£366FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
British AirwaysCheapest£330Average£547FlexibilityNo cancel feeOn-time70%
Search British Airways flights
KLMCheapest£331Average£457FlexibilityNo cancel feeOn-time75%
Search KLM flights
Aer LingusCheapest£344Average£588FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
American AirlinesCheapest£364Average£554FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air CanadaCheapest£366Average£597FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
DeltaCheapest£388Average£572FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
LufthansaCheapest£403Average£555FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
United AirlinesCheapest£414Average£613FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air FranceCheapest£426Average£580FlexibilityNo 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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