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Cheap flights from Ireland to California from £281

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 27/5. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — LAX
25 Jan — 1 Feb1
1 adult

Cheap flight deals from Ireland to California

Discover tips and strategies to find the most affordable flight options for your journey from Ireland (IE0) to California (USCA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 20 January 2025.

Round-trip from

£354

One-way from

£281
British Airways
  • British Airways
  • 3/3-10/3
  • 4 total stops
  • 36h 34m total
  • Ireland to California
WestJet
  • WestJet
  • 27/5
  • 2 total stops
  • 43h 25m total
  • 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 20 January 2025.

Mon 3/308:40DUB - SNA
2 stops19h 33mBritish Airways
Mon 10/312:34SNA - DUB
2 stops17h 01mBritish Airways
Deal found 20/1£354
Mon 3/309:00DUB - SJC
2 stops40h 59mMultiple Airlines
Mon 10/316:00SJC - DUB
2 stops31h 10mMultiple Airlines
Deal found 20/1£361
Mon 3/305:00DUB - SNA
2 stops38h 30mMultiple Airlines
Mon 10/312:30SNA - DUB
2 stops40h 00mMultiple Airlines
Deal found 18/1£362
Mon 3/309:00DUB - ONT
2 stops32h 15mUnited Airlines
Mon 10/306:00ONT - DUB
2 stops21h 05mUnited Airlines
Deal found 20/1£364
Mon 3/309:00DUB - SNA
3 stops35h 18mUnited Airlines
Mon 10/308:00SNA - DUB
2 stops19h 05mUnited Airlines
Deal found 18/1£364
Mon 3/309:00DUB - SJC
2 stops36h 44mUnited Airlines
Mon 10/308:30SJC - DUB
3 stops42h 35mUnited Airlines
Deal found 20/1£364
Sun 9/205:00DUB - LAX
1 stop16h 05mMultiple Airlines
Sun 16/219:10LAX - DUB
1 stop14h 40mMultiple Airlines
Deal found 20/1£369
Tue 18/212:55DUB - SFO
1 stop35h 30mSWISS
Tue 18/320:25SFO - DUB
1 stop14h 25mSWISS
Deal found 20/1£369
Sat 8/209:00DUB - SAN
2 stops32h 32mUnited Airlines
Mon 10/208:15SAN - DUB
2 stops38h 55mUnited Airlines
Deal found 18/1£370
Wed 29/107:40DUB - LAX
1 stop15h 05mBritish Airways
Fri 7/217:30LAX - DUB
1 stop13h 35mBritish Airways
Deal found 20/1£371
Tue 18/214:05DUB - SFO
1 stop16h 47mAmerican Airlines
Tue 18/318:00SFO - DUB
2 stops18h 35mAmerican Airlines
Deal found 20/1£372
Tue 4/305:00DUB - BUR
2 stops19h 17mMultiple Airlines
Tue 11/315:24BUR - DUB
2 stops19h 26mMultiple Airlines
Deal found 19/1£373

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 20 January 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

DublinSanta Ana

DUB - SNA

DUBSNA

Dublin

Mon 3/3

08:40-20:13

2 stops19h 33m

Santa Ana J. Wayne/Orange Cnty

Mon 10/3

12:34-12:35

2 stops17h 01m

£354

DublinSan Jose

DUB - SJC

DUBSJC

Dublin

Mon 3/3

09:00-17:59

2 stops40h 59m

San Jose

Mon 10/3

16:00-06:10

2 stops31h 10m

£361

DublinSanta Ana

DUB - SNA

DUBSNA

Dublin

Mon 3/3

05:00-11:30

2 stops38h 30m

Santa Ana J. Wayne/Orange Cnty

Mon 10/3

12:30-11:30

2 stops40h 00m

£362

DublinOntario

DUB - ONT

DUBONT

Dublin

Mon 3/3

09:00-09:15

3 stops32h 15m

Ontario

Mon 10/3

05:05-07:00

2 stops18h 55m

£364

DublinSanta Ana

DUB - SNA

DUBSNA

Dublin

Mon 3/3

09:00-12:18

3 stops35h 18m

Santa Ana J. Wayne/Orange Cnty

Mon 10/3

08:00-10:05

2 stops19h 05m

£364

DublinSan Jose

DUB - SJC

DUBSJC

Dublin

Mon 3/3

09:00-13:44

2 stops36h 44m

San Jose

Mon 10/3

08:30-10:05

3 stops42h 35m

£364

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Tue 18/2

18:40-16:25

1 stop29h 45m

San Francisco

Wed 19/3

20:25-17:50

1 stop14h 25m

£369

DublinLos Angeles

DUB - LAX

DUBLAX

Dublin

Sun 9/2

05:00-13:05

1 stop16h 05m

Los Angeles

Sun 16/2

19:10-17:50

1 stop14h 40m

£369

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Sat 8/2

09:00-09:32

2 stops32h 32m

San Diego

Mon 10/2

08:15-07:10

2 stops38h 55m

£370

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Tue 18/2

14:05-22:52

1 stop16h 47m

San Francisco

Tue 18/3

18:00-19:35

2 stops18h 35m

£372

Flights are sorted by cheapest return flights first.

Deals found on 19/1

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 20 January 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 20 January 2025.
Peruse reviews from past customers who have flown with Lufthansa, Scandinavian Airlines and Icelandair 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.
8.0
Very Good
8,521 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.6

Comfort

8.0

Entertainment

7.9

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

8.0
Very Good
8,521 reviews
8.0
Very Good
8,521 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.6

Comfort

8.0

Entertainment

7.9

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

7.8
Good
1,341 reviews
8.0
Very Good
8,521 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.6

Comfort

8.0

Entertainment

7.9

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

7.6
Good
1,285 reviews
8.0
Very Good
8,521 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.6

Comfort

8.0

Entertainment

7.9

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

7.5
Good
1,599 reviews
8.0
Very Good
8,521 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.6

Comfort

8.0

Entertainment

7.9

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

7.4
Good
1,490 reviews
8.0
Very Good
8,521 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.6

Comfort

8.0

Entertainment

7.9

Reviews

1 / 10

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 £281. Users have also found prices from £445 and £485 on Finnair and TAP AIR PORTUGAL, 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 20 January 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest£307Average£489FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Scandinavian AirlinesCheapest£323Average£406FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
KLMCheapest£357Average£493FlexibilityNo cancel feeOn-time75%
Search KLM flights
Aer LingusCheapest£371Average£638FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
TAP AIR PORTUGALCheapest£389Average£446FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
British AirwaysCheapest£392Average£597FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Air CanadaCheapest£396Average£648FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
American AirlinesCheapest£412Average£639FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
LufthansaCheapest£435Average£600FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
United AirlinesCheapest£444Average£703FlexibilityNo 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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