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Ireland

$318+ 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 7/9. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — DUB
may. 6 — may. 131
mar. 5/6
mar. 5/13
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 mayo 1, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$505
(Lufthansa)

One-way from

$318
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$804

Good round-trip deal

$715 or less

Good one-way deal

$493 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. 21% potential increase in price ($202 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 May 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 mayo 1, 2025.

This Lufthansa deal was found by Cheapflights users on 4/29. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/255:15 pmSAN - DUB
1 stop18h 00mLufthansa
vie. 9/128:00 pmDUB - SAN
1 stop27h 25mLufthansa
Deal found 4/29$505
This Cheapflightsfares deal was found by Cheapflights users on 4/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/1910:51 amSAN - DUB
1 stop12h 24mIberia
jue. 11/2711:30 amDUB - SAN
1 stop18h 04mIberia
Deal found 4/30$520
This American Airlines deal was found by Cheapflights users on 4/30. 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.
mié. 8/134:24 pmSMF - DUB
2 stops15h 21mAmerican Airlines
vie. 8/2212:40 pmDUB - SMF
1 stop18h 02mAmerican Airlines
Deal found 4/30$544
This Finnair deal was found by Cheapflights users on 4/30. 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.
mié. 11/197:15 amSAN - DUB
1 stop16h 00mMultiple Airlines
jue. 11/2711:30 amDUB - SAN
2 stops18h 06mMultiple Airlines
Deal found 4/30$546
This CheapOair deal was found by Cheapflights users on 4/30. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 8/210:20 pmSAN - DUB
2 stops25h 55mAir Canada
jue. 8/219:20 amDUB - SAN
2 stops34h 20mAir Canada
Deal found 4/30$558
This United Airlines deal was found by Cheapflights users on 5/1. 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.
mar. 8/1210:41 amSAN - DUB
2 stops36h 29mUnited Airlines
mar. 8/269:20 amDUB - SAN
1 stop34h 42mUnited Airlines
Deal found 5/1$559
This United Airlines deal was found by Cheapflights users on 4/30. 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.
mié. 8/138:05 amSMF - DUB
1 stop15h 05mUnited Airlines
vie. 8/229:20 amDUB - SMF
1 stop13h 59mUnited Airlines
Deal found 4/30$564
This Trip.com deal was found by Cheapflights users on 4/30. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 8/136:00 amSMF - DUB
1 stop19h 45mIberia
vie. 8/2212:40 pmDUB - SMF
1 stop16h 01mIberia
Deal found 4/30$569
This American Airlines deal was found by Cheapflights users on 4/30. 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.
dom. 7/277:50 pmSAN - DUB
1 stop14h 10mAmerican Airlines
mar. 8/512:40 pmDUB - SAN
1 stop15h 40mAmerican Airlines
Deal found 4/30$590
This Delta deal was found by Cheapflights users on 4/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 8/210:15 pmSAN - DUB
1 stop27h 45mDelta
jue. 8/2111:00 amDUB - SAN
2 stops19h 54mDelta
Deal found 4/30$596
This Iberia deal was found by Cheapflights users on 4/30. 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.
mié. 10/2910:55 amONT - DUB
1 stop13h 20mIberia
jue. 11/62:05 pmDUB - ONT
1 stop15h 55mIberia
Deal found 4/30$612
This Cheapflightsfares deal was found by Cheapflights users on 4/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/211:07 amLAS - DUB
1 stop12h 08mIberia
mié. 12/102:05 pmDUB - LAS
1 stop13h 42mIberia
Deal found 4/30$616

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 mayo 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 DiegoDublin

SAN - DUB

SANDUB

San Diego

lun. 8/25

5:15 pm-7:15 pm

1 stop18h 00m

Dublin

vie. 9/12

8:00 pm-3:25 pm

1 stop27h 25m

$505

SacramentoDublin

SMF - DUB

SMFDUB

Sacramento Intl

mié. 8/13

4:24 pm-3:45 pm

2 stops15h 21m

Dublin

vie. 8/22

12:40 pm-10:42 pm

1 stop18h 02m

$544

San DiegoDublin

SAN - DUB

SANDUB

San Diego

mar. 8/12

12:44 pm-7:10 am

1 stop34h 26m

Dublin

mar. 8/26

9:20 am-12:02 pm

1 stop34h 42m

$554

San DiegoDublin

SAN - DUB

SANDUB

San Diego

sáb. 8/2

10:20 pm-8:15 am

2 stops25h 55m

Dublin

jue. 8/21

9:20 am-11:40 am

2 stops34h 20m

$558

SacramentoDublin

SMF - DUB

SMFDUB

Sacramento Intl

mié. 8/13

8:05 am-7:10 am

1 stop15h 05m

Dublin

vie. 8/22

9:20 am-3:19 pm

1 stop13h 59m

$564

SacramentoDublin

SMF - DUB

SMFDUB

Sacramento Intl

mié. 8/13

6:00 am-9:45 am

1 stop19h 45m

Dublin

vie. 8/22

12:40 pm-8:41 pm

1 stop16h 01m

$569

San DiegoDublin

SAN - DUB

SANDUB

San Diego

mar. 8/12

8:00 am-7:45 am

2 stops15h 45m

Dublin

mar. 8/26

9:50 am-9:53 pm

2 stops20h 03m

$571

San DiegoDublin

SAN - DUB

SANDUB

San Diego

lun. 8/25

2:50 pm-11:40 am

1 stop12h 50m

Dublin

vie. 9/12

12:40 pm-7:53 pm

1 stop15h 13m

$573

San DiegoDublin

SAN - DUB

SANDUB

San Diego

dom. 7/27

7:50 pm-6:00 pm

1 stop14h 10m

Dublin

mar. 8/5

12:40 pm-8:20 pm

1 stop15h 40m

$590

San DiegoDublin

SAN - DUB

SANDUB

San Diego

sáb. 8/2

10:15 pm-10:00 am

1 stop27h 45m

Dublin

jue. 8/21

11:00 am-10:54 pm

2 stops19h 54m

$596

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

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 $981). 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 mayo 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.

Weekly flight availability from California to Ireland

Explore weekly flight availability from California to Ireland. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated mayo 1, 2025.

The most flights from USCA to IE0 are scheduled on a Monday (3 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (3 on average).

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 mayo 1, 2025.
Read reviews from past customers who have flown Delta, Porter Airlines and KLM 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
7,934 reviews

Food

7.3

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

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
7,934 reviews
Delta
8.0
Very good
7,934 reviews

Food

7.3

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

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.
Porter Airlines
8.0
Very good
285 reviews
Delta
8.0
Very good
7,934 reviews

Food

7.3

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

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
1,334 reviews
Delta
8.0
Very good
7,934 reviews

Food

7.3

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

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
385 reviews
Delta
8.0
Very good
7,934 reviews

Food

7.3

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

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
1,275 reviews
Delta
8.0
Very good
7,934 reviews

Food

7.3

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

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 48 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 ($326), Aer Lingus ($424), and American Airlines ($429).

  • 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 $981). 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 mayo 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$303Average$494FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$428Average$780FlexibilityNo cancel feeOn-time76%
Aer LingusCheapest$440Average$834FlexibilityNo cancel feeOn-timeN/A
TAP AIR PORTUGALCheapest$454Average$675FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$471Average$948FlexibilityNo cancel feeOn-time71%
DeltaCheapest$479Average$879FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$479Average$857FlexibilityNo cancel feeOn-time75%
SWISSCheapest$482Average$787FlexibilityNo cancel feeOn-time79%
United AirlinesCheapest$488Average$876FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$489Average$1,005FlexibilityNo cancel feeOn-time70%

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