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Cheap flights from Ireland to California from £325

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 30/4. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — LAX
26 Feb — 5 Mar1
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 21 February 2025.

Round-trip from

£377

One-way from

£325

Popular in

July

Cheapest in

February

Average price

£419

Good round-trip deal

£487 or less

Good one-way deal

£429 or less
British Airways
  • British Airways
  • 9/4-17/4
  • 2 total stops
  • 28h 45m total
  • Ireland to California
WestJet
  • WestJet
  • 30/4
  • 2 total stops
  • 57h 09m total
  • Ireland to California
Highest demand for flights based on searches. 18% potential increase in price (£94 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£12 potential savings vs. average return price).
Average for round-trip flights in February 2025
Price to beat on a round-trip flight from Ireland to California.
Price to beat on a one-way flight from Ireland to California.

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 21 February 2025.

Wed 9/412:45DUB - LAS
1 stop15h 15mBritish Airways
Thu 17/422:00LAS - DUB
1 stop13h 30mBritish Airways
Deal found 20/2£377
Tue 6/512:50DUB - LAS
1 stop12h 45mWestJet
Tue 13/513:45LAS - DUB
1 stop13h 05mWestJet
Deal found 19/2£393
Mon 28/412:40DUB - LAS
1 stop15h 13mIberia
Wed 7/511:06LAS - DUB
1 stop14h 39mIberia
Deal found 20/2£397
Tue 1/412:40DUB - LAS
1 stop16h 06mMultiple Airlines
Fri 11/413:56LAS - DUB
2 stops21h 24mMultiple Airlines
Deal found 20/2£402
Thu 20/312:30DUB - SFO
1 stop35h 10mScandinavian Airlines
Thu 27/318:30SFO - DUB
1 stop31h 55mScandinavian Airlines
Deal found 20/2£406
Tue 1/412:40DUB - LAS
1 stop13h 46mAmerican Airlines
Sat 12/408:00LAS - DUB
1 stop17h 45mAmerican Airlines
Deal found 20/2£414
Thu 6/1113:25DUB - LAS
2 stops18h 31mKLM
Tue 18/1109:35LAS - DUB
1 stop14h 10mKLM
Deal found 21/2£416
Mon 28/419:05DUB - LAS
2 stops34h 51mScandinavian Airlines
Tue 6/509:05LAS - DUB
2 stops25h 10mScandinavian Airlines
Deal found 20/2£423
Fri 28/209:00DUB - LAS
2 stops19h 26mUnited Airlines
Tue 4/300:59LAS - DUB
2 stops22h 01mUnited Airlines
Deal found 21/2£425
Wed 9/412:45DUB - LAX
1 stop15h 30mBritish Airways
Wed 16/415:40LAX - DUB
1 stop14h 55mBritish Airways
Deal found 20/2£426
Wed 16/410:55DUB - SFO
1 stop14h 20mBritish Airways
Tue 22/419:20SFO - DUB
1 stop13h 45mBritish Airways
Deal found 20/2£427
Tue 4/1108:30DUB - LAS
2 stops18h 28mLufthansa
Sat 15/1108:50LAS - DUB
2 stops18h 10mLufthansa
Deal found 21/2£429

Find flights from Ireland to California within your budget

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 21 February 2025.

Fly from

Ireland

Fly to

California

Route

Depart

Return

Price

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Wed 9/4

12:45-20:00

1 stop15h 15m

Las Vegas Harry Reid Intl

Thu 17/4

22:00-19:30

1 stop13h 30m

£377

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Tue 6/5

12:50-17:35

1 stop12h 45m

Las Vegas Harry Reid Intl

Tue 13/5

13:45-10:50

1 stop13h 05m

£393

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Mon 28/4

12:40-19:53

1 stop15h 13m

Las Vegas Harry Reid Intl

Wed 7/5

11:06-09:45

1 stop14h 39m

£397

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Tue 1/4

12:40-20:46

1 stop16h 06m

Las Vegas Harry Reid Intl

Fri 11/4

13:56-19:20

2 stops21h 24m

£402

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Thu 20/3

12:30-16:40

1 stop35h 10m

San Francisco

Thu 27/3

18:30-09:25

1 stop31h 55m

£406

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Tue 1/4

12:40-18:26

1 stop13h 46m

Las Vegas Harry Reid Intl

Sat 12/4

08:00-09:45

1 stop17h 45m

£414

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Mon 28/4

19:05-21:56

2 stops34h 51m

Las Vegas Harry Reid Intl

Tue 6/5

09:05-18:15

2 stops25h 10m

£423

DublinLos Angeles

DUB - LAX

DUBLAX

Dublin

Wed 9/4

12:45-20:15

1 stop15h 30m

Los Angeles

Wed 16/4

15:40-14:35

1 stop14h 55m

£426

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Wed 16/4

10:55-17:15

1 stop14h 20m

San Francisco

Tue 22/4

19:20-17:05

1 stop13h 45m

£427

DublinLos Angeles

DUB - LAX

DUBLAX

Dublin

Sat 3/5

18:00-17:05

1 stop31h 05m

Los Angeles

Sat 10/5

09:10-09:45

1 stop16h 35m

£430

Flights are sorted by cheapest return flights first.

Deals found on 20/2

Showing 1-10 of 60 results
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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.

Travel insights for flights from Ireland to California

Get recent, data-driven insights about flights from Ireland to California including ideal travel times, pricing trends, and more.

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 21 February 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 21 February 2025.
Peruse reviews from past customers who have flown with Delta, KLM and Finnair 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.

Entertainment

7.9

Boarding

8.2

Food

7.3

Comfort

8.0

Overall

8.0

Crew

8.5

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

8.0
Very Good

Entertainment

7.9

Boarding

8.2

Food

7.3

Comfort

8.0

Overall

8.0

Crew

8.5

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

Entertainment

7.9

Boarding

8.2

Food

7.3

Comfort

8.0

Overall

8.0

Crew

8.5

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

Entertainment

7.9

Boarding

8.2

Food

7.3

Comfort

8.0

Overall

8.0

Crew

8.5

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

Entertainment

7.9

Boarding

8.2

Food

7.3

Comfort

8.0

Overall

8.0

Crew

8.5

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

Entertainment

7.9

Boarding

8.2

Food

7.3

Comfort

8.0

Overall

8.0

Crew

8.5

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?

  • 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 £325. Users have also found prices from £433 and £438 on TAP AIR PORTUGAL 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.

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 21 February 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest£253Average£386FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
British AirwaysCheapest£346Average£535FlexibilityNo cancel feeOn-time70%
Search British Airways flights
KLMCheapest£347Average£480FlexibilityNo cancel feeOn-time75%
Search KLM flights
DeltaCheapest£348Average£528FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Aer LingusCheapest£360Average£618FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
American AirlinesCheapest£376Average£614FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
TAP AIR PORTUGALCheapest£378Average£433FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
Air CanadaCheapest£384Average£629FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
LufthansaCheapest£422Average£582FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
United AirlinesCheapest£431Average£649FlexibilityNo cancel feeOn-time69%
Search United Airlines 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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