HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Ireland

$267+ 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 1/25. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — DUB
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from California to Ireland 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.

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 October 30, 2025.

This American Airlines deal was found by Cheapflights users on 10/28. 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.
Mon 11/246:00 pmSAN - DUB
1 stop13h 40mAmerican Airlines
Tue 12/911:30 amDUB - SAN
1 stop15h 32mAmerican Airlines
Deal found 10/28$416
This Delta deal was found by Cheapflights users on 10/28. 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.
Mon 11/102:05 pmSMF - DUB
1 stop33h 40mDelta
Tue 11/259:45 amDUB - SMF
1 stop18h 54mDelta
Deal found 10/28$425
This KLM deal was found by Cheapflights users on 10/28. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/246:24 amSAN - DUB
1 stop17h 21mKLM
Tue 12/910:45 amDUB - SAN
1 stop18h 20mKLM
Deal found 10/28$425
This Cheapflightsfares deal was found by Cheapflights users on 10/30. 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.
Tue 11/119:30 amSAN - DUB
1 stop15h 10mIberia
Wed 11/1911:30 amDUB - SAN
1 stop18h 14mIberia
Deal found 10/30$429
This American Airlines deal was found by Cheapflights users on 10/30. 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.
Tue 11/119:30 amSAN - DUB
1 stop15h 10mAmerican Airlines
Wed 11/197:35 amDUB - SAN
1 stop16h 35mAmerican Airlines
Deal found 10/30$431
This Air France deal was found by Cheapflights users on 10/28. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/97:10 amSAN - DUB
1 stop17h 35mAir France
Tue 12/169:45 amDUB - SAN
1 stop18h 57mAir France
Deal found 10/28$433
This Delta deal was found by Cheapflights users on 10/30. 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.
Tue 11/117:18 amSAN - DUB
2 stops17h 27mDelta
Wed 11/1910:45 amDUB - SAN
2 stops18h 28mDelta
Deal found 10/30$438
This Delta deal was found by Cheapflights users on 10/28. 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.
Tue 11/411:30 amSMF - DUB
2 stops20h 15mDelta
Wed 11/129:45 amDUB - SMF
1 stop21h 13mDelta
Deal found 10/28$453
This United Airlines deal was found by Cheapflights users on 10/30. 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.
Fri 12/55:08 pmSAN - DUB
1 stop31h 02mUnited Airlines
Sat 12/139:00 amDUB - SAN
1 stop34h 53mUnited Airlines
Deal found 10/30$456
This Air Canada deal was found by Cheapflights users on 10/30. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/512:40 pmSAN - DUB
1 stop34h 30mAir Canada
Sun 12/149:00 amDUB - SAN
2 stops41h 28mAir Canada
Deal found 10/30$457
This United Airlines deal was found by Cheapflights users on 10/30. 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.
Tue 12/91:05 pmSAN - DUB
2 stops35h 05mUnited Airlines
Sun 12/149:00 amDUB - SAN
1 stop34h 53mUnited Airlines
Deal found 10/30$461
This Air Canada deal was found by Cheapflights users on 10/30. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/57:00 amSAN - DUB
2 stops16h 10mAir Canada
Fri 12/129:00 amDUB - SAN
2 stops38h 04mAir Canada
Deal found 10/30$462

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 October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

Gurufare
3 stars

Round-trip from

$407
(Ovago)

One-way from

$267
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$651

Good round-trip deal

$647 or less

Good one-way deal

$468 or less
Provider with most accurate pricing for Los Angeles-Dublin flight deals.
Search Deals
Provider most trusted by Cheapflights users for Los Angeles-Dublin flights.
Search Deals
From California to Ireland
Search Deals
One-way flight from California to Ireland
Search Deals
Highest demand for flights based on searches. 19% potential increase in price ($179 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($29 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals
Price to beat on a round-trip flight from California to Ireland.
Search Deals
Price to beat on a one-way flight from California to Ireland.
Search Deals

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 October 30, 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

Sun 3/1

6:00 pm-5:45 pm

1 stop15h 45m

Dublin

Tue 3/10

6:40 am-5:10 pm

1 stop17h 30m

$417

San DiegoDublin

SAN - DUB

SANDUB

San Diego

Tue 1/6

10:50 am-7:15 am

1 stop12h 25m

Dublin

Tue 1/13

11:30 am-10:58 pm

1 stop19h 28m

$433

San DiegoDublin

SAN - DUB

SANDUB

San Diego

Wed 3/4

7:00 am-8:45 am

1 stop17h 45m

Dublin

Tue 3/10

10:45 am-8:57 pm

1 stop17h 12m

$433

San DiegoDublin

SAN - DUB

SANDUB

San Diego

Tue 1/6

8:25 am-7:15 am

1 stop14h 50m

Dublin

Tue 1/20

11:30 am-10:58 pm

1 stop19h 28m

$433

San DiegoDublin

SAN - DUB

SANDUB

San Diego

Tue 1/6

10:30 pm-8:45 am

2 stops26h 15m

Dublin

Tue 1/13

10:45 am-10:47 pm

2 stops20h 02m

$438

San DiegoDublin

SAN - DUB

SANDUB

San Diego

Tue 2/3

10:50 am-8:40 am

2 stops13h 50m

Dublin

Wed 2/11

11:30 am-10:26 pm

2 stops18h 56m

$438

San DiegoDublin

SAN - DUB

SANDUB

San Diego

Wed 1/21

9:21 am-8:40 am

2 stops15h 19m

Dublin

Fri 2/6

11:30 am-8:41 pm

2 stops17h 11m

$438

San DiegoDublin

SAN - DUB

SANDUB

San Diego

Tue 1/6

10:30 pm-8:45 am

2 stops26h 15m

Dublin

Tue 1/20

10:45 am-10:47 pm

2 stops20h 02m

$438

San DiegoDublin

SAN - DUB

SANDUB

San Diego

Sat 1/17

1:35 pm-8:45 am

1 stop35h 10m

Dublin

Wed 2/11

10:45 am-9:07 pm

1 stop18h 22m

$439

San DiegoDublin

SAN - DUB

SANDUB

San Diego

Sun 12/7

5:08 pm-8:10 am

1 stop31h 02m

Dublin

Sun 12/14

9:00 am-11:53 am

1 stop34h 53m

$456

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Showing 1-10 of 60 results
1
2
3
...
6

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 $398). Flying from California to Ireland in June is currently the most expensive (average of $682). 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 October 30, 2025.

When flying from California to Ireland, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 10% versus a flight in the morning.

What is the cheapest day to fly from California to Ireland?

Use this chart to determine the cheapest time to fly round-trip from California to Ireland. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their California to Ireland flight should consider departing on Saturday afternoons when fares are most often at their lowest. Wednesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 50 times in the past calendar month.

  • How long is the flight from California to Ireland?

    There are many flights that can get you from California to Ireland in 15h 45m. Fly via American Airlines, Delta, or Scandinavian Airlines to get the fastest option. There are 5194 mi between California and Ireland. This flight may include one or multiple stops.

  • 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 Scandinavian Airlines ($302), JetBlue ($311), and United Airlines ($425).

  • 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 $398). Flying from California to Ireland in June is currently the most expensive (average of $682). 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 California to Ireland

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Heathrow flights
Newark to Heathrow flights
John F Kennedy Intl to Charles de Gaulle flights
Newark to Charles de Gaulle flights
John F Kennedy Intl to Gatwick flights
John F Kennedy Intl to Leonardo da Vinci/Fiumicino flights
LaGuardia to Heathrow flights
John F Kennedy Intl to London City flights
Boston to Heathrow flights
Newark to Orly flights
Newark to Gatwick flights
John F Kennedy Intl to Istanbul flights
Newark to Leonardo da Vinci/Fiumicino flights
John F Kennedy Intl to Orly flights
Miami to Madrid flights
Dulles Intl to Heathrow flights
John F Kennedy Intl to Madrid flights
Los Angeles to Heathrow flights
Newark to Madrid flights
John F Kennedy Intl to Stansted flights
LaGuardia to Charles de Gaulle flights
LaGuardia to Gatwick flights
John F Kennedy Intl to Luton flights
San Francisco to Heathrow flights
Newark to London City flights
John F Kennedy Intl to Barcelona-El Prat flights
Newark to Barcelona-El Prat flights
Los Angeles to Charles de Gaulle flights
John F Kennedy Intl to Malpensa flights
Dallas/Fort Worth to Heathrow flights
O'Hare Intl to Heathrow flights
John F Kennedy Intl to Lisbon flights
John F Kennedy Intl to Dublin flights
Boston to Charles de Gaulle flights
Newark to Malpensa flights
Newark to Istanbul flights
Baltimore to Heathrow flights
Newark to Dublin flights
Newark to Lisbon flights
O'Hare Intl to Charles de Gaulle flights
Dulles Intl to Charles de Gaulle flights
Newark to Luton flights
Seattle to Heathrow flights
O'Hare Intl to Frankfurt flights
Dulles Intl to Madrid flights
Newark to Stansted flights
San Francisco to Charles de Gaulle flights
John F Kennedy Intl to Amsterdam flights
Dallas/Fort Worth to Frankfurt flights
LaGuardia to Leonardo da Vinci/Fiumicino flights

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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$415Average$890FlexibilityNo cancel feeOn-time62%
Scandinavian AirlinesCheapest$421Average$523FlexibilityNo cancel feeOn-time77%
TAP AIR PORTUGALCheapest$431Average$622FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$455Average$878FlexibilityNo cancel feeOn-timeN/A
Aer LingusCheapest$456Average$893FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$485Average$899FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$490Average$817FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$490Average$895FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$492Average$757FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$495Average$929FlexibilityNo cancel feeOn-time70%

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.