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$325+ Cheap flights from Ireland to California

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 4/8. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — LAX
Dec 27 — Jan 31
Fri 12/27
Fri 1/3
1 adult, Economy
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Cheap flight deals from Ireland to California

Discover tips and strategies to find the most affordable flight options for your journey from Ireland (IE0) to California (USCA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 22, 2024.

Round-trip from

$437
(Billigflug)

One-way from

$331
(Kiwi.com)
From Ireland to California
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One-way flight from Ireland to California
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Find flight deals from Ireland to California

Cheapest flights from Ireland to California
Explore the most affordable flight options available from Ireland to California. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 22, 2024.

This Air France deal was found by Cheapflights users on 12/21. 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.
Sun 12/2911:30 amDUB - LAS
1 stop17h 58mAir France
Tue 1/73:15 pmLAS - DUB
1 stop23h 35mAir France
Deal found 12/21$609
This Delta deal was found by Cheapflights users on 12/21. 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 12/2911:30 amDUB - LAS
1 stop17h 58mDelta
Tue 1/72:50 pmLAS - DUB
2 stops17h 50mDelta
Deal found 12/21$615
This United Airlines deal was found by Cheapflights users on 12/21. 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 12/2411:50 amDUB - SFO
1 stop31h 29mUnited Airlines
Wed 1/84:40 pmSFO - DUB
1 stop30h 20mUnited Airlines
Deal found 12/21$719
This Delta deal was found by Cheapflights users on 12/21. 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 12/245:55 amDUB - SFO
2 stops20h 39mDelta
Wed 1/83:25 pmSFO - DUB
1 stop16h 15mDelta
Deal found 12/21$729
This United Airlines deal was found by Cheapflights users on 12/21. 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 12/2111:50 amDUB - LAS
1 stop18h 10mUnited Airlines
Sat 12/286:00 amLAS - DUB
2 stops20h 05mUnited Airlines
Deal found 12/21$732
This Bravofly deal was found by Cheapflights users on 12/21. 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 Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2411:35 amDUB - SFO
1 stop21h 10mAer Lingus
Wed 1/85:20 pmSFO - DUB
Nonstop10h 05mAer Lingus
Deal found 12/21$750
This British Airways deal was found by Cheapflights users on 12/21. 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.
Tue 12/248:40 amDUB - LAX
1 stop15h 10mBritish Airways
Sun 1/59:20 pmLAX - DUB
1 stop14h 15mBritish Airways
Deal found 12/21$757
This Delta deal was found by Cheapflights users on 12/21. 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 12/2411:30 amDUB - LAX
1 stop16h 19mDelta
Wed 1/17:55 amLAX - DUB
1 stop16h 30mDelta
Deal found 12/21$760
This Expedia deal was found by Cheapflights users on 12/21. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/227:45 pmDUB - LAS
2 stops29h 50mMultiple Airlines
Sat 1/116:00 amLAS - DUB
1 stop18h 40mMultiple Airlines
Deal found 12/21$779
This United Airlines deal was found by Cheapflights users on 12/21. 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 12/2111:50 amDUB - LAX
1 stop35h 43mUnited Airlines
Thu 12/264:55 pmLAX - DUB
1 stop33h 10mUnited Airlines
Deal found 12/21$797
This Lufthansa deal was found by Cheapflights users on 12/21. 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.
Thu 12/2610:45 amDUB - LAS
2 stops21h 23mLufthansa
Wed 1/810:10 amLAS - DUB
2 stops22h 30mLufthansa
Deal found 12/21$803
This American Airlines deal was found by Cheapflights users on 12/21. 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.
Sat 12/281:00 pmDUB - LAS
1 stop18h 58mAmerican Airlines
Wed 1/84:35 pmLAS - DUB
1 stop16h 25mAmerican Airlines
Deal found 12/21$817

Find flights from Ireland to California within your budget

Customize your flight search to find flights from Ireland to California 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 December 22, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Tue 2/4

3:20 pm-8:19 pm

1 stop12h 59m

San Diego

Tue 2/11

8:20 am-1:10 pm

1 stop20h 50m

$437

DublinSan Jose

DUB - SJC

DUBSJC

Dublin

Tue 2/4

5:55 pm-9:28 pm

2 stops35h 33m

San Jose

Tue 2/11

2:48 pm-5:00 pm

2 stops18h 12m

$480

DublinSanta Ana

DUB - SNA

DUBSNA

Dublin

Wed 2/5

10:25 am-10:59 pm

2 stops20h 34m

Santa Ana J. Wayne/Orange Cnty

Wed 2/12

3:09 pm-7:40 pm

2 stops20h 31m

$486

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Tue 2/4

12:30 pm-12:28 am

2 stops43h 58m

San Diego

Tue 2/11

10:58 am-11:40 am

2 stops40h 42m

$502

DublinSan Jose

DUB - SJC

DUBSJC

Dublin

Tue 2/4

12:30 pm-10:04 pm

2 stops41h 34m

San Jose

Tue 2/11

1:35 pm-11:40 am

2 stops38h 05m

$505

DublinSanta Ana

DUB - SNA

DUBSNA

Dublin

Fri 1/10

8:50 am-7:06 pm

2 stops18h 16m

Santa Ana J. Wayne/Orange Cnty

Sun 1/19

8:30 am-12:40 pm

2 stops20h 10m

$507

DublinBurbank

DUB - BUR

DUBBUR

Dublin

Sun 2/2

10:10 am-8:49 pm

2 stops42h 39m

Burbank Bob Hope

Sun 2/9

8:30 am-11:40 am

2 stops43h 10m

$508

DublinSan Jose

DUB - SJC

DUBSJC

Dublin

Thu 2/13

2:05 pm-11:11 am

2 stops29h 06m

San Jose

Fri 2/28

6:10 am-5:00 pm

2 stops26h 50m

$514

DublinSan Jose

DUB - SJC

DUBSJC

Dublin

Fri 1/17

8:40 am-9:28 pm

2 stops20h 48m

San Jose

Wed 1/22

6:10 am-9:40 am

2 stops19h 30m

$516

DublinBurbank

DUB - BUR

DUBBUR

Dublin

Tue 2/4

2:05 pm-11:40 am

2 stops29h 35m

Burbank Bob Hope

Tue 2/11

12:30 pm-7:35 pm

2 stops23h 05m

$516

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/20

Showing 1-10 of 60 results
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Best time to book a flight from Ireland to California

Have a flexible travel schedule? Discover the best time to fly to California from Ireland 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.

Travel insights for flights from Ireland to California

Get recent, data-driven insights about flights from Ireland to California including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Ireland to California?

Currently, January is the cheapest month in which you can book a flight from Ireland to California (average of $246). Flying from Ireland to California in March is currently the most expensive (average of $344). 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 IE to CA?

Find hourly flight availability from Ireland to California. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 22, 2024.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ireland to California as you normally would.

Rainfall in California by month

Plan your trip to California by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in California ranges from 0.0 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. July is typically the driest time to visit California when rainfall is around 0.0 in.

Temperature in California by month

Plan your trip to California by taking into account the average temperature totals by month.

If weather is an important factor for your trip to California, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 57.2 F).

Reviews of airlines servicing California

Get insights into the airlines that provide service to California. 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 California. Reviews last updated December 22, 2024.
See what other customers who have flown with United Airlines, Air France and American Airlines from Ireland to California have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,594 reviews

Entertainment

7.9

Crew

8.6

Comfort

8.0

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta
8.0
Very good
8,594 reviews
Delta
8.0
Very good
8,594 reviews

Entertainment

7.9

Crew

8.6

Comfort

8.0

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

KLM
7.8
Good
1,342 reviews
Delta
8.0
Very good
8,594 reviews

Entertainment

7.9

Crew

8.6

Comfort

8.0

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Air Transat
7.8
Good
384 reviews
Delta
8.0
Very good
8,594 reviews

Entertainment

7.9

Crew

8.6

Comfort

8.0

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Finnair
7.7
Good
1,283 reviews
Delta
8.0
Very good
8,594 reviews

Entertainment

7.9

Crew

8.6

Comfort

8.0

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Austrian Airlines
7.6
Good
785 reviews
Delta
8.0
Very good
8,594 reviews

Entertainment

7.9

Crew

8.6

Comfort

8.0

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Ireland to California. 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 Ireland to California flight route?

    This flight path from Ireland to California was viewed by 4 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • What are the cheapest airlines to fly from Ireland to California one-way?

    One-way options have recently been found by users for as low as $478 on WestJet. Other airlines that offer cheap prices include Iberia from $516 and TAP AIR PORTUGAL from $527 one-way.

  • Can I find deals for flights from Ireland to California that include hotel bookings?

    Yes. In addition to deals on Ireland to California flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ireland to California?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ireland to California.

  • Can I find deals for business class flights from Ireland to California?

    Yes. Cheapflights offers flight deals from Ireland to California 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 Ireland to California?

    Currently, January is the cheapest month in which you can book a flight from Ireland to California (average of $246). Flying from Ireland to California in March is currently the most expensive (average of $344). 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 Ireland to California

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Ireland to California

Discover the top 5 airlines that operate flights from Ireland to California. 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 December 22, 2024.
AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest$436Average$699FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$449Average$616FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$512Average$821FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$544Average$737FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$691Average$826FlexibilityNo cancel feeOn-time71%
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