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Cheap flights from Ireland to California from £284

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 15/11. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — LAX
9 Sep — 16 Sep1
1 adult

Cheap flight deals from Ireland to California

Keep the following information in mind while searching for Ireland to California flight deals. Data was last updated 4 September 2025.

Round-trip from

£391

One-way from

£284

Popular in

July

Cheapest in

February

Average price

£477

Good round-trip deal

£396 or less

Good one-way deal

£455 or less
Iberia
  • Iberia
  • 1/10-7/10
  • 2 total stops
  • 30h 30m total
  • Ireland to California
Search Deals
15/11
  • 15/11
  • 3 total stops
  • 35h 04m total
  • Ireland to California
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (£76 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£9 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2025
Search Deals
Price to beat on a round-trip flight from Ireland to California.
Search Deals
Price to beat on a one-way flight from Ireland to California.
Search Deals

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 4 September 2025.

Wed 1/1008:30DUB - LAS
1 stop14h 40mMultiple Airlines
Tue 7/1009:55LAS - DUB
1 stop15h 50mMultiple Airlines
Deal found 1/9£391
Tue 30/920:20DUB - LAS
1 stop26h 50mBritish Airways
Mon 6/1022:00LAS - DUB
1 stop13h 35mBritish Airways
Deal found 3/9£391
Wed 17/913:45DUB - LAS
1 stop14h 56mIberia
Sat 20/914:59LAS - DUB
1 stop34h 46mIberia
Deal found 3/9£392
Tue 21/1010:25DUB - LAS
1 stop17h 35mMultiple Airlines
Mon 27/1001:10LAS - DUB
1 stop24h 30mMultiple Airlines
Deal found 2/9£394
Sat 11/1009:30DUB - LAS
1 stop20h 38mIberia
Fri 17/1012:52LAS - DUB
1 stop12h 53mIberia
Deal found 2/9£395
Wed 1/1008:30DUB - LAS
1 stop14h 40mBritish Airways
Wed 8/1012:12LAS - DUB
2 stops21h 48mBritish Airways
Deal found 3/9£400
Wed 8/1010:55DUB - LAS
1 stop17h 05mBritish Airways
Tue 14/1016:30LAS - DUB
2 stops17h 25mBritish Airways
Deal found 3/9£401
Wed 15/1011:45DUB - SFO
2 stops36h 45mScandinavian Airlines
Sun 19/1019:40SFO - DUB
2 stops31h 15mScandinavian Airlines
Deal found 1/9£402
Sat 8/1109:45DUB - LAS
1 stop14h 14mDelta
Tue 11/1100:43LAS - DUB
1 stop23h 02mDelta
Deal found 2/9£402
Fri 19/909:30DUB - LAS
1 stop20h 41mIberia
Fri 26/914:59LAS - DUB
1 stop34h 46mIberia
Deal found 2/9£403
Wed 1/1009:00DUB - SNA
2 stops19h 35mMultiple Airlines
Wed 8/1010:39SNA - DUB
1 stop15h 06mMultiple Airlines
Deal found 3/9£406
Thu 2/1012:40DUB - SFO
2 stops42h 49mScandinavian Airlines
Thu 23/1019:40SFO - DUB
2 stops56h 40mScandinavian Airlines
Deal found 1/9£406

Cheapflights Fare Finder

 
Customise 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 858,174 searches. Data last updated 4 September 2025.
Use the filters below to find and compare flights from Ireland to California that are best for you.

Fly from

Ireland

Fly to

California

Route

Depart

Return

Price

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Wed 4/2

05:55-17:45

2 stops19h 50m

Las Vegas Harry Reid Intl

Sat 14/2

10:05-15:45

2 stops21h 40m

£391

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Wed 22/10

10:55-20:00

1 stop17h 05m

Las Vegas Harry Reid Intl

Sun 26/10

09:53-07:10

1 stop14h 17m

£391

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Tue 30/9

20:20-15:10

1 stop26h 50m

Las Vegas Harry Reid Intl

Mon 6/10

22:00-19:35

1 stop13h 35m

£391

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Sat 11/10

09:30-22:08

1 stop20h 38m

Las Vegas Harry Reid Intl

Fri 17/10

08:00-06:30

1 stop14h 30m

£392

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Wed 17/9

13:45-20:41

1 stop14h 56m

Las Vegas Harry Reid Intl

Sat 20/9

14:59-09:45

1 stop34h 46m

£392

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Tue 21/10

12:45-20:00

1 stop15h 15m

Las Vegas Harry Reid Intl

Mon 27/10

01:10-08:40

1 stop24h 30m

£392

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Thu 5/2

15:15-17:50

Nonstop10h 35m

Las Vegas Harry Reid Intl

Thu 12/2

19:35-13:20

Nonstop9h 45m

£394

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Thu 5/2

15:15-17:50

Nonstop10h 35m

Las Vegas Harry Reid Intl

Sun 15/2

20:55-19:05

1 stop14h 10m

£395

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Sat 8/11

05:55-17:47

2 stops19h 52m

Las Vegas Harry Reid Intl

Wed 12/11

09:47-08:45

2 stops14h 58m

£395

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Wed 26/11

18:05-18:50

2 stops32h 45m

Las Vegas Harry Reid Intl

Sat 6/12

11:00-07:10

1 stop12h 10m

£400

Flights are sorted by cheapest return flights first.

Deals found on 3/9

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 return 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 Ireland to California

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 £575). Flying from Ireland to California in July is currently the most expensive (average of £811). 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 4 September 2025.

When flying from Ireland to California, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Ireland to California

Explore weekly flight availability from Ireland to California. 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 4 September 2025.

The most flights from IE0 to USCA are scheduled on a Monday (4 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (4 on average).

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 4 September 2025.
Read reviews from past customers who have flown with Scandinavian Airlines, United Airlines, andAmerican Airlines from Ireland to California. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Scandinavian Airlines
7.4
Good
1,482 reviews
Check prices

Comfort

7.3

Crew

8.0

Food

6.7

Entertainment

6.6

Overall

7.4

Boarding

7.6

Reviews

1 / 20
8.0
Excellent

Kent,Aug 2025

CPH - SEA

When I got to Copenhagen, my two suitcases were missing from Monday 1030. I got them back Friday after five in the afternoon. My flight from Copenhagen to Seattle did not make the connection from Seattle to Honolulu
Scandinavian Airlines
7.4
Good
1,482 reviews
Scandinavian Airlines
7.4
Good
1,482 reviews
Check prices

Comfort

7.3

Crew

8.0

Food

6.7

Entertainment

6.6

Overall

7.4

Boarding

7.6

Reviews

1 / 20
8.0
Excellent

Kent,Aug 2025

CPH - SEA

When I got to Copenhagen, my two suitcases were missing from Monday 1030. I got them back Friday after five in the afternoon. My flight from Copenhagen to Seattle did not make the connection from Seattle to Honolulu
United Airlines
7.4
Good
8,937 reviews
Scandinavian Airlines
7.4
Good
1,482 reviews
Check prices

Comfort

7.3

Crew

8.0

Food

6.7

Entertainment

6.6

Overall

7.4

Boarding

7.6

Reviews

1 / 20
8.0
Excellent

Kent,Aug 2025

CPH - SEA

When I got to Copenhagen, my two suitcases were missing from Monday 1030. I got them back Friday after five in the afternoon. My flight from Copenhagen to Seattle did not make the connection from Seattle to Honolulu
American Airlines
7.2
Good
10,000 reviews
Scandinavian Airlines
7.4
Good
1,482 reviews
Check prices

Comfort

7.3

Crew

8.0

Food

6.7

Entertainment

6.6

Overall

7.4

Boarding

7.6

Reviews

1 / 20
8.0
Excellent

Kent,Aug 2025

CPH - SEA

When I got to Copenhagen, my two suitcases were missing from Monday 1030. I got them back Friday after five in the afternoon. My flight from Copenhagen to Seattle did not make the connection from Seattle to Honolulu
Aer Lingus
7.2
Good
1,250 reviews
Scandinavian Airlines
7.4
Good
1,482 reviews
Check prices

Comfort

7.3

Crew

8.0

Food

6.7

Entertainment

6.6

Overall

7.4

Boarding

7.6

Reviews

1 / 20
8.0
Excellent

Kent,Aug 2025

CPH - SEA

When I got to Copenhagen, my two suitcases were missing from Monday 1030. I got them back Friday after five in the afternoon. My flight from Copenhagen to Seattle did not make the connection from Seattle to Honolulu
British Airways
6.7
Okay
7,345 reviews
Scandinavian Airlines
7.4
Good
1,482 reviews
Check prices

Comfort

7.3

Crew

8.0

Food

6.7

Entertainment

6.6

Overall

7.4

Boarding

7.6

Reviews

1 / 20
8.0
Excellent

Kent,Aug 2025

CPH - SEA

When I got to Copenhagen, my two suitcases were missing from Monday 1030. I got them back Friday after five in the afternoon. My flight from Copenhagen to Seattle did not make the connection from Seattle to Honolulu

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?

    The Ireland to California flight path was viewed by 381 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Ireland to California?

    For as low as £391, Delta can have you in California from Ireland in 19h 50m. The distance between Ireland and California is about 4938 mi. Both multi-stop and direct flights can be found to your destination and back.

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

    For one-way options, check prices for WestJet. According to our data, you can fly for as low as £314. Users have also found prices from £415 and £421 on Icelandair and JetBlue, respectively.

  • 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 holiday 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 £575). Flying from Ireland to California in July is currently the most expensive (average of £811). 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 Ireland to California

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from Ireland to California

Discover the top 10 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 858,174 searches. Data last updated 4 September 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest£295Average£367FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
TAP AIR PORTUGALCheapest£318Average£537FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
KLMCheapest£326Average£487FlexibilityNo cancel feeOn-time75%
Search KLM flights
British AirwaysCheapest£327Average£502FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Aer LingusCheapest£341Average£564FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
IberiaCheapest£341Average£510FlexibilityNo cancel feeOn-time77%
Search Iberia flights
American AirlinesCheapest£359Average£578FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
LufthansaCheapest£379Average£486FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
United AirlinesCheapest£412Average£594FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air FranceCheapest£414Average£560FlexibilityNo cancel feeOn-time77%
Search Air France flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Ireland to California?

Cheapflights makes it easy to find Ireland to California flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Ireland to California?

Cheapflights helps you find that perfect flight to California from Ireland by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Ireland to California with no change fees?

Certainly. Search results for flights to California from Ireland shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Ireland to California become cheaper?

Yes, Cheapflights offers price alerts on Ireland to California flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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