Ireland

$222+ 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 5/4. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — DUB
Feb 27 — Mar 61
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Cheap 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 January 28, 2026.

This Booking.com deal was found by Cheapflights users on 1/26. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/56:45 am
SMF
-
DUB
1 stop17h 00m
Air Canada
Wed 5/139:50 am
DUB
-
SMF
2 stops42h 52m
Air Canada
Deal found 1/26$449
This Mytrip deal was found by Cheapflights users on 1/27. 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.
Mon 4/275:15 pm
SAN
-
DUB
1 stop15h 40m
Multiple Airlines
Wed 5/69:50 am
DUB
-
SAN
1 stop14h 15m
Multiple Airlines
Deal found 1/27$449
This KAYAK deal was found by Cheapflights users on 1/27. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/107:00 pm
SAN
-
DUB
1 stop17h 40m
British Airways
Tue 3/178:50 am
DUB
-
SAN
1 stop15h 20m
British Airways
Deal found 1/27$452
This Mytrip deal was found by Cheapflights users on 1/25. 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.
Mon 1/2612:30 pm
SMF
-
DUB
2 stops34h 40m
Air Canada
Sun 2/89:00 am
DUB
-
SMF
2 stops58h 52m
Air Canada
Deal found 1/25$453
This Mytrip deal was found by Cheapflights users on 1/27. 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.
Wed 3/45:35 pm
SAN
-
DUB
1 stop15h 35m
Multiple Airlines
Wed 3/118:00 am
DUB
-
SAN
1 stop34h 53m
Multiple Airlines
Deal found 1/27$454
This Mytrip deal was found by Cheapflights users on 1/26. 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.
Thu 1/2912:30 pm
SMF
-
DUB
2 stops34h 40m
Air Canada
Wed 2/119:00 am
DUB
-
SMF
2 stops34h 52m
Air Canada
Deal found 1/26$456
This Kiwi.com deal was found by Cheapflights users on 1/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/115:35 pm
SAN
-
DUB
1 stop15h 35m
Lufthansa
Fri 2/205:10 am
DUB
-
SAN
2 stops18h 35m
Lufthansa
Deal found 1/25$457
This United Airlines deal was found by Cheapflights users on 1/26. 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.
Mon 2/237:00 am
SMF
-
DUB
1 stop19h 20m
United Airlines
Wed 3/49:00 am
DUB
-
SMF
2 stops39h 06m
United Airlines
Deal found 1/26$458
This CheapOair deal was found by Cheapflights users on 1/27. 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.
Sun 4/261:00 pm
SMF
-
DUB
2 stops35h 15m
Air Canada
Wed 5/69:50 am
DUB
-
SMF
2 stops42h 52m
Air Canada
Deal found 1/27$459
This United Airlines deal was found by Cheapflights users on 1/26. 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 2/212:10 pm
SAN
-
DUB
1 stop34h 00m
United Airlines
Sun 3/19:00 am
DUB
-
SAN
1 stop34h 53m
United Airlines
Deal found 1/26$459
This Mytrip deal was found by Cheapflights users on 1/25. 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.
Thu 2/196:05 pm
SAN
-
DUB
2 stops29h 05m
Air Canada
Mon 2/239:00 am
DUB
-
SAN
1 stop34h 53m
Air Canada
Deal found 1/25$460
This Air Canada deal was found by Cheapflights users on 1/26. 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.
Wed 2/2512:40 pm
SAN
-
DUB
1 stop34h 30m
Air Canada
Fri 3/69:00 am
DUB
-
SAN
2 stops40h 26m
Air Canada
Deal found 1/26$461

Find flight deals from California to Ireland

Keep the following information in mind while searching for California to Ireland flight deals. Data was last updated January 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$449
(Booking.com)

One-way from

$222
(oojo)

Popular in

June

Cheapest in

February

Average price

$600

Good round-trip deal

$638 or less

Good one-way deal

$378 or less
Provider with most accurate pricing for Los Angeles-Dublin flight deals.
Provider most trusted by Cheapflights users for Los Angeles-Dublin flights.
From California to Ireland
One-way flight from California to Ireland
Highest demand for flights based on searches. 19% potential increase in price ($175 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($30 potential savings vs. average RT price).
Average for round-trip flights in January 2026
Price to beat on a round-trip flight from California to Ireland.
Price to beat on a one-way flight from California to Ireland.

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 January 28, 2026.
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

SacramentoDublin

SMF - DUB

SMFDUB

Sacramento Intl

Mon 2/23

4:11 pm-8:10 am

2 stops31h 59m

Dublin

Wed 3/4

9:00 am-10:30 pm

2 stops45h 30m

$462

San DiegoDublin

SAN - DUB

SANDUB

San Diego

Tue 2/24

7:50 pm-8:10 am

2 stops28h 20m

Dublin

Mon 3/2

9:00 am-11:53 am

1 stop34h 53m

$464

San DiegoDublin

SAN - DUB

SANDUB

San Diego

Mon 2/23

6:00 pm-7:55 am

1 stop29h 55m

Dublin

Fri 3/6

8:50 am-4:10 pm

1 stop15h 20m

$470

San DiegoDublin

SAN - DUB

SANDUB

San Diego

Wed 3/4

6:30 am-7:30 am

2 stops17h 00m

Dublin

Wed 3/11

8:00 am-11:53 am

1 stop34h 53m

$471

San DiegoDublin

SAN - DUB

SANDUB

San Diego

Tue 3/17

10:00 am-7:45 am

2 stops14h 45m

Dublin

Tue 3/24

5:55 am-1:05 pm

1 stop14h 10m

$472

San DiegoDublin

SAN - DUB

SANDUB

San Diego

Mon 4/27

4:21 pm-7:20 am

2 stops30h 59m

Dublin

Wed 5/6

9:50 am-4:05 pm

1 stop14h 15m

$472

San DiegoDublin

SAN - DUB

SANDUB

San Diego

Tue 3/31

11:54 am-7:55 am

1 stop12h 01m

Dublin

Tue 4/7

5:55 am-11:50 am

1 stop13h 55m

$476

San DiegoDublin

SAN - DUB

SANDUB

San Diego

Tue 3/31

11:54 am-7:55 am

1 stop12h 01m

Dublin

Tue 4/7

5:55 am-11:50 am

1 stop13h 55m

$476

San DiegoDublin

SAN - DUB

SANDUB

San Diego

Fri 2/27

6:30 am-7:30 am

2 stops17h 00m

Dublin

Mon 3/2

9:00 am-11:53 am

1 stop34h 53m

$476

San DiegoDublin

SAN - DUB

SANDUB

San Diego

Mon 3/9

6:21 am-8:45 am

2 stops19h 24m

Dublin

Tue 3/17

5:55 am-1:05 pm

1 stop14h 10m

$477

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

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, January is the cheapest month in which you can book a flight from California to Ireland (average of $417). 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 January 28, 2026.

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?

  • How long is the flight from California to Ireland?

    There are many flights that can get you from California to Ireland in 14h 45m. Fly via United Airlines, British Airways, or Delta 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 British Airways ($240), WestJet ($244), and American Airlines ($248).

  • 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, January is the cheapest month in which you can book a flight from California to Ireland (average of $417). 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.

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 January 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest$203Average$918FlexibilityNo cancel feeOn-time60%
JetBlueCheapest$415Average$907FlexibilityNo cancel feeOn-time62%
Scandinavian AirlinesCheapest$421Average$513FlexibilityNo cancel feeOn-time77%
TAP AIR PORTUGALCheapest$431Average$576FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$433Average$901FlexibilityNo cancel feeOn-time75%
British AirwaysCheapest$434Average$821FlexibilityNo cancel feeOn-time70%
DeltaCheapest$454Average$846FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$457Average$801FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$483Average$900FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$485Average$843FlexibilityNo cancel feeOn-time71%

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