HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Ireland

$182+ 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 10/22. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — DUB
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
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.

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 September 15, 2025.

Round-trip from

$441
(Mytrip)

One-way from

$182
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$718

Good round-trip deal

$601 or less

Good one-way deal

$453 or less
From California to Ireland
Search Deals
One-way flight from California to Ireland
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($180 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($30 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 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

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 September 15, 2025.

This Mytrip deal was found by Cheapflights users on 9/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/288:35 pmLAS - DUB
Nonstop9h 45mAer Lingus
Tue 11/43:15 pmDUB - LAS
Nonstop10h 35mAer Lingus
Deal found 9/13$441
This Ticket deal was found by Cheapflights users on 9/13. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2011:36 amONT - DUB
1 stop13h 09mKLM
Wed 11/59:45 amDUB - ONT
1 stop17h 34mKLM
Deal found 9/13$454
This Air Canada deal was found by Cheapflights users on 9/14. 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 12/26:15 amLAS - DUB
2 stops16h 55mAir Canada
Wed 12/109:00 amDUB - LAS
2 stops20h 44mAir Canada
Deal found 9/14$459
This United Airlines deal was found by Cheapflights users on 9/15. 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 11/119:06 amBUR - DUB
2 stops15h 04mUnited Airlines
Wed 11/199:00 amDUB - BUR
2 stops35h 59mUnited Airlines
Deal found 9/15$460
This Ovago deal was found by Cheapflights users on 9/13. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/28:55 pmLAS - DUB
1 stop14h 45mBritish Airways
Wed 12/101:10 pmDUB - LAS
1 stop13h 40mBritish Airways
Deal found 9/13$461
This Air Canada deal was found by Cheapflights users on 9/15. 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.
Sat 11/88:18 pmBUR - DUB
2 stops26h 52mAir Canada
Wed 11/199:00 amDUB - BUR
2 stops35h 08mAir Canada
Deal found 9/15$462
This Trip.com deal was found by Cheapflights users on 9/13. 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.
Tue 10/288:00 amLAS - DUB
2 stops18h 55mUnited Airlines
Tue 11/41:35 pmDUB - LAS
1 stop16h 45mUnited Airlines
Deal found 9/13$463
This American Airlines deal was found by Cheapflights users on 9/14. 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 12/28:55 pmLAS - DUB
1 stop12h 50mAmerican Airlines
Wed 12/1011:30 amDUB - LAS
1 stop15h 05mAmerican Airlines
Deal found 9/14$466
This Finnair deal was found by Cheapflights users on 9/14. 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.
Mon 10/278:00 amLAS - DUB
1 stop17h 40mMultiple Airlines
Thu 11/69:45 amDUB - LAS
2 stops19h 13mMultiple Airlines
Deal found 9/14$471
This United Airlines deal was found by Cheapflights users on 9/14. 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 10/298:00 amLAS - DUB
2 stops18h 55mUnited Airlines
Wed 11/510:40 amDUB - LAS
2 stops20h 35mUnited Airlines
Deal found 9/14$472
This British Airways deal was found by Cheapflights users on 9/13. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/78:55 pmLAS - DUB
1 stop14h 45mBritish Airways
Fri 1/98:50 amDUB - LAS
1 stop18h 00mBritish Airways
Deal found 9/13$473
This Trip.com deal was found by Cheapflights users on 9/13. 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.
Tue 10/281:59 pmLAS - DUB
2 stops20h 21mFinnair
Tue 11/49:45 amDUB - LAS
2 stops19h 46mFinnair
Deal found 9/13$475

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 September 15, 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

Las VegasDublin

LAS - DUB

LASDUB

Las Vegas Harry Reid Intl

Tue 2/3

7:35 pm-1:20 pm

Nonstop9h 45m

Dublin

Tue 2/17

3:15 pm-5:50 pm

Nonstop10h 35m

$440

BurbankDublin

BUR - DUB

BURDUB

Burbank Bob Hope

Tue 11/11

9:06 am-8:10 am

2 stops15h 04m

Dublin

Wed 11/19

9:00 am-12:59 pm

2 stops35h 59m

$460

Las VegasDublin

LAS - DUB

LASDUB

Las Vegas Harry Reid Intl

Tue 12/9

12:43 am-7:45 am

1 stop23h 02m

Dublin

Tue 12/16

9:45 am-4:31 pm

1 stop14h 46m

$472

Las VegasDublin

LAS - DUB

LASDUB

Las Vegas Harry Reid Intl

Sun 10/26

1:10 am-8:40 am

1 stop24h 30m

Dublin

Thu 11/6

9:45 am-8:58 pm

2 stops19h 13m

$476

OntarioDublin

ONT - DUB

ONTDUB

Ontario

Mon 10/20

11:36 am-8:45 am

1 stop13h 09m

Dublin

Wed 11/5

9:45 am-7:19 pm

1 stop17h 34m

$476

Las VegasDublin

LAS - DUB

LASDUB

Las Vegas Harry Reid Intl

Wed 12/10

10:00 am-8:40 am

2 stops14h 40m

Dublin

Tue 12/16

11:30 am-6:35 pm

1 stop15h 05m

$477

Las VegasDublin

LAS - DUB

LASDUB

Las Vegas Harry Reid Intl

Tue 2/3

11:01 am-8:10 am

1 stop13h 09m

Dublin

Tue 2/17

10:40 am-7:20 pm

2 stops16h 40m

$477

Las VegasDublin

LAS - DUB

LASDUB

Las Vegas Harry Reid Intl

Tue 2/10

9:00 am-7:30 am

2 stops14h 30m

Dublin

Tue 2/17

9:30 am-7:20 pm

2 stops17h 50m

$477

OntarioDublin

ONT - DUB

ONTDUB

Ontario

Mon 11/10

7:00 am-8:10 am

1 stop17h 10m

Dublin

Wed 11/19

9:00 am-10:31 pm

2 stops21h 31m

$478

OntarioDublin

ONT - DUB

ONTDUB

Ontario

Wed 11/12

7:00 am-8:10 am

1 stop17h 10m

Dublin

Fri 11/21

9:00 am-10:31 pm

2 stops21h 31m

$478

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

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 $509). Flying from California to Ireland in June is currently the most expensive (average of $923). 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 September 15, 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.

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 49 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 9h 45m. Fly via Aer Lingus, United Airlines, or Delta to get the fastest option. There are 4938 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 WestJet ($233), JetBlue ($316), and United Airlines ($399).

  • 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 $923). 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
John F Kennedy Intl to Charles de Gaulle flights
Newark to Heathrow flights
Newark to Charles de Gaulle flights
John F Kennedy Intl to Leonardo da Vinci/Fiumicino flights
John F Kennedy Intl to Istanbul flights
Newark to Orly flights
Newark to Leonardo da Vinci/Fiumicino flights
Boston to Heathrow flights
John F Kennedy Intl to Lisbon flights
Los Angeles to Heathrow flights
John F Kennedy Intl to Orly flights
John F Kennedy Intl to London City flights
Dulles Intl to Heathrow flights
Newark to Madrid flights
LaGuardia to Heathrow flights
Miami to Madrid flights
Newark to Lisbon flights
John F Kennedy Intl to Gatwick flights
LaGuardia to Charles de Gaulle flights
Newark to Gatwick flights
John F Kennedy Intl to Madrid flights
John F Kennedy Intl to Barcelona-El Prat flights
O'Hare Intl to Heathrow flights
Boston to Charles de Gaulle flights
Dulles Intl to Charles de Gaulle flights
Newark to Barcelona-El Prat flights
San Francisco to Heathrow flights
Newark to Dublin flights
Los Angeles to Charles de Gaulle flights
Baltimore to Heathrow flights
O'Hare Intl to Charles de Gaulle flights
Dallas/Fort Worth to Heathrow flights
John F Kennedy Intl to Athens flights
Newark to Malpensa flights
Dallas/Fort Worth to Charles de Gaulle flights
O'Hare Intl to Leonardo da Vinci/Fiumicino flights
Dallas/Fort Worth to Frankfurt flights
John F Kennedy Intl to Dublin flights
LaGuardia to Gatwick flights
John F Kennedy Intl to Frankfurt flights
John F Kennedy Intl to Malpensa flights
Dulles Intl to Leonardo da Vinci/Fiumicino flights
Seattle to Heathrow flights
John F Kennedy Intl to Amsterdam flights
John F Kennedy Intl to Frederic Chopin flights
Newark to Frankfurt flights
Newark to Athens flights
Newark to London City flights
Boston to Lisbon 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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
SWISSCheapest$326Average$678FlexibilityNo cancel feeOn-time79%
Scandinavian AirlinesCheapest$421Average$520FlexibilityNo cancel feeOn-time77%
TAP AIR PORTUGALCheapest$431Average$637FlexibilityNo cancel feeOn-timeN/A
Aer LingusCheapest$434Average$923FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$462Average$781FlexibilityNo cancel feeOn-time75%
DeltaCheapest$469Average$880FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$471Average$915FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$488Average$904FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$490Average$808FlexibilityNo cancel feeOn-time67%
LufthansaCheapest$492Average$757FlexibilityNo cancel feeOn-time76%

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.