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Ireland

$304+ Cheap flights from California to Ireland

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 5/28. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — DUB
Apr 6 — Apr 131
Sun 4/6
Sun 4/13
1 adult, Economy
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Cheap flight deals from California to Ireland

Keep the following information in mind while searching for California to Ireland flight deals. Data was last updated April 1, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$564
(Kiwi.com)

One-way from

$304
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$750

Good round-trip deal

$721 or less

Good one-way deal

$529 or less
Provider with most accurate pricing for Los Angeles-Dublin flight deals.
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Provider most trusted by Cheapflights users for Los Angeles-Dublin flights.
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From California to Ireland
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One-way flight from California to Ireland
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Highest demand for flights based on searches. 22% potential increase in price ($209 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($32 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Price to beat on a round-trip flight from California to Ireland.
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Price to beat on a one-way flight from California to Ireland.
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Find flight deals from California to Ireland

Cheapest flights from California to Ireland
Explore the most affordable flight options available from California to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 1, 2025.

This Finnair deal was found by Cheapflights users on 4/1. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/298:44 amONT - DUB
1 stop15h 31mMultiple Airlines
Wed 11/52:05 pmDUB - ONT
1 stop15h 55mMultiple Airlines
Deal found 4/1$462
This Finnair deal was found by Cheapflights users on 4/1. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/298:35 amBUR - DUB
1 stop15h 40mMultiple Airlines
Tue 11/42:05 pmDUB - BUR
2 stops26h 44mMultiple Airlines
Deal found 4/1$466
This Iberia deal was found by Cheapflights users on 3/31. 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.
Wed 10/2210:55 amONT - DUB
1 stop14h 50mIberia
Sun 11/92:05 pmDUB - ONT
1 stop15h 55mIberia
Deal found 3/31$522
This oojo deal was found by Cheapflights users on 3/31. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/97:30 pmLAX - DUB
1 stop32h 20mScandinavian Airlines
Wed 9/1712:40 pmDUB - LAX
1 stop35h 40mScandinavian Airlines
Deal found 3/31$537
This FlightHub deal was found by Cheapflights users on 3/31. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/124:40 pmLAX - DUB
1 stop23h 15mTAP AIR PORTUGAL
Mon 8/256:50 pmDUB - LAX
1 stop27h 50mTAP AIR PORTUGAL
Deal found 3/31$555
This Finnair deal was found by Cheapflights users on 4/1. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/129:53 amSAN - DUB
1 stop14h 47mMultiple Airlines
Tue 11/1811:30 amDUB - SAN
1 stop18h 04mMultiple Airlines
Deal found 4/1$561
This United Airlines deal was found by Cheapflights users on 4/1. 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.
Sun 9/146:30 amSJC - DUB
1 stop19h 15mUnited Airlines
Tue 9/309:20 amDUB - SJC
2 stops34h 16mUnited Airlines
Deal found 4/1$562
This Air Canada deal was found by Cheapflights users on 4/1. 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.
Tue 10/76:00 amLAX - DUB
2 stops18h 15mMultiple Airlines
Thu 10/1610:40 amDUB - LAX
2 stops18h 48mMultiple Airlines
Deal found 4/1$563
This StudentUniverse deal was found by Cheapflights users on 4/1. 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1210:51 amSAN - DUB
2 stops22h 29mFinnair
Tue 11/186:05 pmDUB - SAN
2 stops31h 43mFinnair
Deal found 4/1$569
This FlightHub deal was found by Cheapflights users on 3/31. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/218:15 pmLAX - DUB
Nonstop10h 15mAer Lingus
Wed 4/303:25 pmDUB - LAX
Nonstop11h 00mAer Lingus
Deal found 3/31$570
This United Airlines deal was found by Cheapflights users on 4/1. 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.
Wed 11/129:00 amSAN - DUB
2 stops17h 05mUnited Airlines
Tue 11/1811:50 amDUB - SAN
1 stop16h 43mUnited Airlines
Deal found 4/1$571
This Orbitz deal was found by Cheapflights users on 4/1. 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.
Wed 12/36:16 amSAN - DUB
2 stops19h 24mBritish Airways
Mon 12/88:30 pmDUB - SAN
1 stop27h 35mBritish Airways
Deal found 4/1$574

Cheapflights Fare Finder

Customize your flight search to find flights from California to Ireland 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 April 1, 2025.
Use the filters below to find and compare flights from California to Ireland that are best for you.

Fly from

California

Fly to

Ireland

Route

Depart

Return

Price

San JoseDublin

SJC - DUB

SJCDUB

San Jose

Sun 9/14

6:30 am-9:45 am

1 stop19h 15m

Dublin

Tue 9/30

9:20 am-11:36 am

2 stops34h 16m

$562

Los AngelesDublin

LAX - DUB

LAXDUB

Los Angeles

Mon 4/28

7:45 pm-10:55 am

1 stop31h 10m

Dublin

Mon 5/5

8:40 pm-7:05 pm

2 stops54h 25m

$564

Los AngelesDublin

LAX - DUB

LAXDUB

Los Angeles

Fri 5/9

7:30 pm-9:25 am

1 stop29h 55m

Dublin

Fri 5/16

12:40 pm-4:20 pm

1 stop35h 40m

$567

Los AngelesDublin

LAX - DUB

LAXDUB

Los Angeles

Mon 4/21

8:15 pm-2:30 pm

Nonstop10h 15m

Dublin

Wed 4/30

3:25 pm-6:25 pm

Nonstop11h 00m

$570

San JoseDublin

SJC - DUB

SJCDUB

San Jose

Mon 9/15

6:00 am-9:45 am

1 stop19h 45m

Dublin

Tue 10/7

12:40 pm-8:42 pm

1 stop16h 02m

$585

OntarioDublin

ONT - DUB

ONTDUB

Ontario

Mon 4/14

12:50 pm-9:45 am

1 stop12h 55m

Dublin

Wed 4/30

12:40 pm-6:29 pm

1 stop13h 49m

$589

Los AngelesDublin

LAX - DUB

LAXDUB

Los Angeles

Mon 4/7

11:00 am-9:45 am

1 stop14h 45m

Dublin

Wed 4/23

12:40 pm-7:55 pm

1 stop15h 15m

$592

OntarioDublin

ONT - DUB

ONTDUB

Ontario

Wed 5/7

7:30 am-9:45 am

1 stop18h 15m

Dublin

Wed 5/14

12:40 pm-9:58 pm

1 stop17h 18m

$594

San JoseDublin

SJC - DUB

SJCDUB

San Jose

Wed 8/13

6:45 am-8:45 am

1 stop18h 00m

Dublin

Wed 8/20

11:00 am-10:44 pm

1 stop19h 44m

$595

San JoseDublin

SJC - DUB

SJCDUB

San Jose

Sun 9/14

6:39 pm-7:45 am

3 stops29h 06m

Dublin

Tue 9/30

9:50 am-10:45 pm

2 stops20h 55m

$597

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/30

Showing 1-10 of 60 results
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Best time to book a flight from California to Ireland

Have a flexible travel schedule? Discover the best time to fly to Ireland from California 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.

Cheapflights Insights

Everything you need to know about your flight from California to Ireland

What is the cheapest month to book a flight from California to Ireland?

Currently, November is the cheapest month in which you can book a flight from California to Ireland (average of $509). Flying from California to Ireland in June is currently the most expensive (average of $1,010). 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 CA to IE?

Find hourly flight availability from California to Ireland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 1, 2025.

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

Rainfall in Ireland by month

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

In terms of precipitation, rainfall in Ireland ranges from 1.9 - 3.1 inches per month. October is typically the wettest month, when rainfall can reach 3.1 in. February is typically the driest time to visit Ireland when rainfall is around 1.9 in.

Temperature in Ireland by month

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

If weather is an important factor for your trip to Ireland, 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 60.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Ireland

Get insights into the airlines that provide service to Ireland. 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 Ireland. Reviews last updated April 1, 2025.
Read reviews from past customers who have flown Delta, KLM and Air Transat from California to Ireland. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,899 reviews

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

8.0

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,899 reviews
Delta
8.0
Very good
7,899 reviews

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

8.0

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,321 reviews
Delta
8.0
Very good
7,899 reviews

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

8.0

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air Transat
7.8
Good
381 reviews
Delta
8.0
Very good
7,899 reviews

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

8.0

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Finnair
7.6
Good
1,267 reviews
Delta
8.0
Very good
7,899 reviews

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

8.0

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
SWISS
7.5
Good
1,572 reviews
Delta
8.0
Very good
7,899 reviews

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

8.0

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from California to Ireland. 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 California to Ireland flight route?

    Flights from California to Ireland have been viewed 61 times in the past calendar month.

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

    The cheapest airlines for a one-way flight from California to Ireland are WestJet ($338), Scandinavian Airlines ($456), and British Airways ($463).

  • Can I find deals for flights from California to Ireland that include hotel bookings?

    Yes. In addition to deals on California to Ireland flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from California to Ireland?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from California to Ireland.

  • Can I find deals for business class flights from California to Ireland?

    Yes. Cheapflights offers flight deals from California to Ireland 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 California to Ireland?

    Currently, November is the cheapest month in which you can book a flight from California to Ireland (average of $509). Flying from California to Ireland in June is currently the most expensive (average of $1,010). 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

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Alternative routes for California to Ireland

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from California to Ireland

Discover the top 10 airlines that operate flights from California to Ireland. 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 April 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$303Average$493FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$428Average$846FlexibilityNo cancel feeOn-time76%
Aer LingusCheapest$442Average$831FlexibilityNo cancel feeOn-timeN/A
TAP AIR PORTUGALCheapest$454Average$669FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$464Average$928FlexibilityNo cancel feeOn-time67%
SWISSCheapest$482Average$798FlexibilityNo cancel feeOn-time79%
KLMCheapest$486Average$872FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$488Average$901FlexibilityNo cancel feeOn-time69%
DeltaCheapest$495Average$903FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$496Average$1,051FlexibilityNo cancel feeOn-time70%

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