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Ireland

$246+ 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 7/21. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — DUB
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$459
(United Airlines)

One-way from

$246
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$1,041

Good round-trip deal

$662 or less

Good one-way deal

$447 or less
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 ($193 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($30 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This United Airlines deal was found by Cheapflights users on 6/10. 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 12/18:18 pmBUR - DUB
2 stops29h 47mUnited Airlines
Wed 12/109:00 amDUB - BUR
2 stops40h 50mUnited Airlines
Deal found 6/10$459
This United Airlines deal was found by Cheapflights users on 6/10. 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 12/26:42 pmONT - DUB
3 stops28h 18mUnited Airlines
Wed 12/109:00 amDUB - ONT
2 stops45h 26mUnited Airlines
Deal found 6/10$459
This Air Canada deal was found by Cheapflights users on 6/10. 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.
Mon 12/18:18 pmBUR - DUB
2 stops26h 52mAir Canada
Fri 12/129:00 amDUB - BUR
2 stops34h 58mAir Canada
Deal found 6/10$462
This Air Canada deal was found by Cheapflights users on 6/10. 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 12/25:40 amONT - DUB
2 stops17h 30mAir Canada
Wed 12/109:00 amDUB - ONT
2 stops35h 33mAir Canada
Deal found 6/10$462
This Air Canada deal was found by Cheapflights users on 6/10. 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.
Mon 12/17:34 pmSNA - DUB
2 stops27h 36mAir Canada
Wed 12/109:00 amDUB - SNA
2 stops35h 17mAir Canada
Deal found 6/10$462
This United Airlines deal was found by Cheapflights users on 6/11. 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 12/21:20 pmLAS - DUB
1 stop12h 45mUnited Airlines
Wed 12/109:00 amDUB - LAS
2 stops20h 20mUnited Airlines
Deal found 6/11$468
This United Airlines deal was found by Cheapflights users on 6/11. 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 8/47:00 amSJC - DUB
2 stops19h 20mUnited Airlines
Wed 8/209:50 amDUB - SJC
2 stops44h 50mUnited Airlines
Deal found 6/11$473
This Booking.com deal was found by Cheapflights users on 6/11. 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.
Mon 12/811:42 pmLAS - DUB
2 stops23h 28mMultiple Airlines
Thu 1/155:00 amDUB - LAS
1 stop17h 35mMultiple Airlines
Deal found 6/11$476
This United Airlines deal was found by Cheapflights users on 6/10. 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 12/26:32 pmSNA - DUB
2 stops31h 33mUnited Airlines
Fri 12/129:00 amDUB - SNA
2 stops20h 45mUnited Airlines
Deal found 6/10$482
This Lufthansa deal was found by Cheapflights users on 6/10. 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.
Wed 12/311:30 amSNA - DUB
2 stops27h 15mLufthansa
Mon 12/1511:45 amDUB - SNA
2 stops40h 55mLufthansa
Deal found 6/10$528
This Aunt Betty deal was found by Cheapflights users on 6/11. 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 Aunt Betty is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/38:10 amSAN - DUB
1 stop15h 35mAir Canada
Tue 8/199:20 amDUB - SAN
1 stop18h 18mAir Canada
Deal found 6/11$535
This Delta deal was found by Cheapflights users on 6/11. 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.
Sun 8/2411:45 amONT - DUB
1 stop13h 00mDelta
Thu 9/411:00 amDUB - ONT
1 stop16h 11mDelta
Deal found 6/11$552

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 June 12, 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

BurbankDublin

BUR - DUB

BURDUB

Burbank Bob Hope

Mon 12/1

8:18 pm-10:05 am

2 stops29h 47m

Dublin

Wed 12/10

9:00 am-5:50 pm

2 stops40h 50m

$459

OntarioDublin

ONT - DUB

ONTDUB

Ontario

Tue 12/2

6:42 pm-7:00 am

3 stops28h 18m

Dublin

Wed 12/10

9:00 am-10:26 pm

2 stops45h 26m

$459

BurbankDublin

BUR - DUB

BURDUB

Burbank Bob Hope

Mon 12/1

8:18 pm-7:10 am

2 stops26h 52m

Dublin

Fri 12/12

9:00 am-11:58 am

2 stops34h 58m

$462

OntarioDublin

ONT - DUB

ONTDUB

Ontario

Tue 12/2

5:40 am-7:10 am

2 stops17h 30m

Dublin

Wed 12/10

9:00 am-12:33 pm

2 stops35h 33m

$462

Santa AnaDublin

SNA - DUB

SNADUB

Santa Ana J. Wayne/Orange Cnty

Mon 12/1

7:34 pm-7:10 am

2 stops27h 36m

Dublin

Wed 12/10

9:00 am-12:17 pm

2 stops35h 17m

$462

San JoseDublin

SJC - DUB

SJCDUB

San Jose

Mon 8/4

7:00 am-10:20 am

2 stops19h 20m

Dublin

Wed 8/20

9:50 am-10:40 pm

2 stops44h 50m

$473

Las VegasDublin

LAS - DUB

LASDUB

Las Vegas Harry Reid Intl

Mon 8/4

8:30 am-7:10 am

1 stop14h 40m

Dublin

Wed 8/20

11:35 am-8:24 pm

2 stops16h 49m

$478

Santa AnaDublin

SNA - DUB

SNADUB

Santa Ana J. Wayne/Orange Cnty

Wed 12/3

11:30 am-10:45 pm

2 stops27h 15m

Dublin

Mon 12/15

11:45 am-8:40 pm

2 stops40h 55m

$528

OntarioDublin

ONT - DUB

ONTDUB

Ontario

Sun 8/24

7:05 am-8:45 am

1 stop17h 40m

Dublin

Wed 9/3

11:00 am-7:11 pm

1 stop16h 11m

$552

Santa AnaDublin

SNA - DUB

SNADUB

Santa Ana J. Wayne/Orange Cnty

Sun 8/24

11:23 am-10:00 am

1 stop14h 37m

Dublin

Tue 9/2

12:00 pm-8:25 pm

1 stop16h 25m

$552

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

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 $947). 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 June 12, 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 June 12, 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 June 12, 2025.
Read reviews from past customers who have flown Delta, Alaska Airlines and Porter Airlines 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
7,950 reviews

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Alaska Airlines
8.0
Very good
10,000 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Porter Airlines
8.0
Very good
288 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,358 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air Transat
7.8
Good
396 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 44 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 ($307), JetBlue ($374), and Air Canada ($380).

  • 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 $947). 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$303Average$502FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$428Average$757FlexibilityNo cancel feeOn-time76%
TAP AIR PORTUGALCheapest$431Average$661FlexibilityNo cancel feeOn-timeN/A
Aer LingusCheapest$435Average$873FlexibilityNo cancel feeOn-timeN/A
SWISSCheapest$452Average$778FlexibilityNo cancel feeOn-time79%
DeltaCheapest$463Average$860FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$467Average$944FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$479Average$966FlexibilityNo cancel feeOn-time70%
KLMCheapest$479Average$796FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$488Average$866FlexibilityNo cancel feeOn-time69%

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