California

$200+ Cheap flights from Ireland to California

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 4/30. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — LAX
Jan 26 — Feb 21
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Ireland to California with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 January 21, 2025.

Round-trip from

$433
(TravelUp)

One-way from

$200
(oojo)

Good round-trip deal

$531 or less

Good one-way deal

$537 or less
From Ireland to California
One-way flight from Ireland to California
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 January 21, 2025.

This TravelUp deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/38:40 amDUB - SNA
2 stops19h 33mBritish Airways
Mon 3/1012:34 pmSNA - DUB
2 stops17h 01mBritish Airways
Deal found 1/20$433
This Air Canada deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/35:00 amDUB - SNA
2 stops38h 30mMultiple Airlines
Mon 3/1012:30 pmSNA - DUB
2 stops45h 10mMultiple Airlines
Deal found 1/20$444
This United Airlines deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/19:00 amDUB - SNA
2 stops17h 41mUnited Airlines
Wed 2/57:00 amSNA - DUB
1 stop16h 00mUnited Airlines
Deal found 1/20$446
This Bravofly deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/711:15 amDUB - SFO
2 stops36h 25mScandinavian Airlines
Fri 3/146:30 pmSFO - DUB
1 stop31h 50mScandinavian Airlines
Deal found 1/21$450
This SWISS deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/186:40 pmDUB - SFO
1 stop29h 45mSWISS
Sun 3/168:25 pmSFO - DUB
1 stop32h 40mSWISS
Deal found 1/20$452
This Orbitz deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/66:40 pmDUB - SFO
1 stop29h 45mMultiple Airlines
Fri 3/76:50 pmSFO - DUB
1 stop20h 00mMultiple Airlines
Deal found 1/20$453
This Iberia deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/178:40 amDUB - SFO
1 stop14h 20mBritish Airways
Mon 3/246:30 pmSFO - DUB
1 stop18h 05mBritish Airways
Deal found 1/21$454
This Priceline deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/2710:40 amDUB - LAX
1 stop15h 45mBritish Airways
Mon 2/38:55 pmLAX - DUB
1 stop14h 40mBritish Airways
Deal found 1/20$455
This American Airlines deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/182:05 pmDUB - SFO
1 stop16h 47mAmerican Airlines
Tue 3/186:00 pmSFO - DUB
2 stops18h 35mAmerican Airlines
Deal found 1/20$456
This American Airlines deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/168:35 amDUB - LAX
1 stop19h 40mAmerican Airlines
Fri 11/711:15 amLAX - DUB
2 stops16h 45mAmerican Airlines
Deal found 1/21$458
This United Airlines deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/189:00 amDUB - SFO
2 stops20h 30mUnited Airlines
Wed 3/194:59 pmSFO - DUB
1 stop34h 06mUnited Airlines
Deal found 1/20$459
This United Airlines deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/279:00 amDUB - LAS
1 stop15h 11mUnited Airlines
Mon 3/312:50 amLAS - DUB
2 stops22h 10mUnited Airlines
Deal found 1/20$459

Find flights from Ireland to California within your budget

Customize 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 2,558,603 searches. Data last updated January 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

DublinSanta Ana

DUB - SNA

DUBSNA

Dublin

Mon 3/3

8:40 am-8:13 pm

2 stops19h 33m

Santa Ana J. Wayne/Orange Cnty

Mon 3/10

12:34 pm-12:35 pm

2 stops17h 01m

$433

DublinSanta Ana

DUB - SNA

DUBSNA

Dublin

Mon 3/3

5:00 am-11:30 am

2 stops38h 30m

Santa Ana J. Wayne/Orange Cnty

Mon 3/10

12:30 pm-4:40 pm

2 stops45h 10m

$444

DublinSanta Ana

DUB - SNA

DUBSNA

Dublin

Sat 2/1

9:00 am-6:41 pm

2 stops17h 41m

Santa Ana J. Wayne/Orange Cnty

Wed 2/5

7:00 am-7:00 am

1 stop16h 00m

$446

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Fri 3/7

11:15 am-3:40 pm

2 stops36h 25m

San Francisco

Fri 3/14

6:30 pm-9:20 am

1 stop31h 50m

$450

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Tue 2/18

12:55 pm-4:25 pm

1 stop35h 30m

San Francisco

Sat 3/15

8:25 pm-12:30 pm

1 stop33h 05m

$452

DublinLos Angeles

DUB - LAX

DUBLAX

Dublin

Sun 2/2

6:40 pm-4:30 pm

1 stop29h 50m

Los Angeles

Sun 2/16

3:05 pm-4:40 pm

1 stop17h 35m

$452

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Thu 2/6

6:40 pm-4:25 pm

1 stop29h 45m

San Francisco

Fri 3/7

6:50 pm-10:50 pm

1 stop20h 00m

$453

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Mon 3/17

8:40 am-4:00 pm

1 stop14h 20m

San Francisco

Mon 3/24

6:30 pm-7:35 pm

1 stop18h 05m

$454

DublinLos Angeles

DUB - LAX

DUBLAX

Dublin

Thu 3/6

8:40 am-3:50 pm

1 stop15h 10m

Los Angeles

Thu 3/13

9:55 pm-7:50 pm

1 stop14h 55m

$455

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Tue 2/18

2:05 pm-10:52 pm

1 stop16h 47m

San Francisco

Tue 3/18

6:00 pm-7:35 pm

2 stops18h 35m

$456

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

Showing 1-10 of 60 results
1
2
3
...
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 round-trip 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 $246). Flying from Ireland to California in March is currently the most expensive (average of $344). 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 January 21, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ireland to California as you normally would.

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 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. July is typically the driest time to visit California when rainfall is around 0.0 in.

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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 57.2 F).

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 January 21, 2025.
See what other customers who have flown with Aer Lingus, Scandinavian Airlines and SWISS from Ireland to California have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good
8,521 reviews

Comfort

8.0

Boarding

8.2

Crew

8.6

Entertainment

7.9

Overall

8.0

Food

7.3

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

Comfort

8.0

Boarding

8.2

Crew

8.6

Entertainment

7.9

Overall

8.0

Food

7.3

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

Comfort

8.0

Boarding

8.2

Crew

8.6

Entertainment

7.9

Overall

8.0

Food

7.3

Reviews

1 / 10

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

7.8
Good
381 reviews
8.0
Very good
8,521 reviews

Comfort

8.0

Boarding

8.2

Crew

8.6

Entertainment

7.9

Overall

8.0

Food

7.3

Reviews

1 / 10

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

7.6
Good
1,286 reviews
8.0
Very good
8,521 reviews

Comfort

8.0

Boarding

8.2

Crew

8.6

Entertainment

7.9

Overall

8.0

Food

7.3

Reviews

1 / 10

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

7.5
Good
1,600 reviews
8.0
Very good
8,521 reviews

Comfort

8.0

Boarding

8.2

Crew

8.6

Entertainment

7.9

Overall

8.0

Food

7.3

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?

    One-way options have recently been found by users for as low as $200 on WestJet. Other airlines that offer cheap prices include Aer Lingus from $389 and Air Transat from $393 one-way.

  • 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 vacation 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 $246). Flying from Ireland to California in March is currently the most expensive (average of $344). 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 5 airlines flying from Ireland to California

Discover the top 5 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 2,558,603 searches. Data last updated January 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest$436Average$706FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$449Average$606FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$512Average$813FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$543Average$737FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$672Average$818FlexibilityNo cancel feeOn-time71%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.