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Cheap flights from Ireland to California from £276

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 10/9. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — LAX
19 Aug — 26 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ireland to California

Enter your travel dates to find the best prices.

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 20 July 2026.

Wed 18/1119:05
DUB
-
SFO
1 stop27h 45m
Scandinavian Airlines
Sun 6/1216:45
SFO
-
DUB
1 stop17h 35m
Scandinavian Airlines
Deal found 18/7£402
Tue 22/919:05
DUB
-
SFO
1 stop27h 35m
Scandinavian Airlines
Wed 14/1016:45
SFO
-
DUB
1 stop17h 35m
Scandinavian Airlines
Deal found 19/7£407
Fri 20/1119:05
DUB
-
SFO
1 stop27h 45m
Scandinavian Airlines
Mon 7/1216:45
SFO
-
DUB
1 stop17h 35m
Scandinavian Airlines
Deal found 16/7£412
Thu 3/919:05
DUB
-
SFO
1 stop27h 35m
Scandinavian Airlines
Sat 19/916:45
SFO
-
DUB
2 stops17h 40m
Scandinavian Airlines
Deal found 19/7£417
Tue 17/1119:05
DUB
-
SFO
1 stop27h 45m
Scandinavian Airlines
Wed 2/1216:45
SFO
-
DUB
1 stop17h 35m
Scandinavian Airlines
Deal found 19/7£421
Wed 2/919:05
DUB
-
SFO
1 stop27h 35m
Scandinavian Airlines
Wed 9/916:45
SFO
-
DUB
1 stop17h 35m
Scandinavian Airlines
Deal found 19/7£423
Tue 25/819:05
DUB
-
SFO
1 stop27h 35m
Scandinavian Airlines
Sun 30/816:45
SFO
-
DUB
1 stop17h 35m
Scandinavian Airlines
Deal found 16/7£424
Tue 1/911:00
DUB
-
SFO
2 stops35h 40m
Scandinavian Airlines
Tue 8/916:45
SFO
-
DUB
1 stop17h 35m
Scandinavian Airlines
Deal found 18/7£426
Fri 30/1008:50
DUB
-
SNA
2 stops20h 14m
British Airways
Wed 25/1108:45
SNA
-
DUB
2 stops16h 55m
British Airways
Deal found 16/7£484
Wed 11/1113:00
DUB
-
SJC
1 stop15h 49m
Finnair
Wed 18/1106:00
SJC
-
DUB
1 stop17h 15m
Finnair
Deal found 20/7£509
Fri 30/1011:30
DUB
-
SNA
2 stops17h 59m
Multiple Airlines
Wed 25/1109:30
SNA
-
DUB
1 stop13h 45m
Multiple Airlines
Deal found 16/7£511
Thu 3/910:40
DUB
-
SAN
1 stop16h 16m
JetBlue
Sun 6/910:20
SAN
-
DUB
1 stop14h 00m
JetBlue
Deal found 15/7£517

Find flight deals from Ireland to California

Keep the following information in mind while searching for Ireland to California flight deals. Data was last updated 20 July 2026.

Round-trip from

£402

One-way from

£276

Popular in

July

Cheapest in

January

Average price

£751

Good round-trip deal

£523 or less

Good one-way deal

£594 or less
Scandinavian Airlines
  • Scandinavian Airlines
  • 18/11-6/12
  • 2 total stops
  • 45h 20m total
  • Ireland to California
Search Deals
10/9
  • 10/9
  • 3 total stops
  • 42h 48m total
  • Ireland to California
Search Deals
Highest demand for flights based on searches. 19% potential increase in price (£96 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£15 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
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

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 20 July 2026.
Use the filters below to find and compare flights from Ireland to California that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Tue 22/9

19:05-14:40

1 stop27h 35m

San Francisco

Tue 13/10

16:45-18:20

1 stop17h 35m

£433

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Wed 23/9

19:05-14:40

1 stop27h 35m

San Francisco

Sun 27/9

16:45-11:50

1 stop35h 05m

£433

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Wed 2/9

12:40-14:40

1 stop34h 00m

San Francisco

Sat 26/9

16:45-11:50

1 stop35h 05m

£447

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Sun 30/8

08:45-14:40

2 stops37h 55m

San Francisco

Sun 6/9

16:45-10:10

2 stops33h 25m

£473

DublinSanta Ana

DUB - SNA

DUBSNA

Dublin

Fri 30/10

08:50-22:04

2 stops20h 14m

Santa Ana J. Wayne/Orange Cnty

Wed 25/11

08:45-09:40

2 stops16h 55m

£484

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Fri 28/8

11:10-14:40

2 stops35h 30m

San Francisco

Thu 10/9

16:45-19:05

2 stops18h 20m

£488

DublinSan Jose

DUB - SJC

DUBSJC

Dublin

Wed 11/11

13:00-20:49

1 stop15h 49m

San Jose

Wed 18/11

06:00-07:15

1 stop17h 15m

£509

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Mon 21/9

05:55-11:45

1 stop13h 50m

San Francisco

Tue 13/10

14:40-18:25

2 stops19h 45m

£515

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Wed 23/9

08:55-20:32

2 stops19h 37m

San Francisco

Thu 15/10

12:00-15:25

2 stops19h 25m

£519

DublinLos Angeles

DUB - LAX

DUBLAX

Dublin

Wed 23/9

08:55-20:51

2 stops19h 56m

Los Angeles

Thu 1/10

15:15-15:25

1 stop16h 10m

£520

Flights are sorted by cheapest return flights first.

Deals found on 18/7

Showing 1-10 of 60 resultsSorted by cheapest first
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2
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6

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 £412). Flying from Ireland to California in July is currently the most expensive (average of £740). 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 20 July 2026.

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 20 July 2026.

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).

How far ahead should I book a flight from Ireland to California?

The price you pay for your flight from Ireland to California may vary depending on when you book. For the best chance of a lower fare, look to book 78 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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 20 July 2026.
Read reviews from past customers who have flown with Scandinavian Airlines,United Airlines, andAer Lingus 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
1,888 reviews
Check prices

Boarding

7.7

Comfort

7.3

Crew

8.0

Entertainment

6.7

Food

6.7

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Robert,Jul 2026

CPH - SFO

First rate expereince.! We've never flown SAS before but will defintely fly it again.
Scandinavian Airlines
7.4
Good
1,888 reviews
Scandinavian Airlines
7.4
Good
1,888 reviews
Check prices

Boarding

7.7

Comfort

7.3

Crew

8.0

Entertainment

6.7

Food

6.7

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Robert,Jul 2026

CPH - SFO

First rate expereince.! We've never flown SAS before but will defintely fly it again.
United Airlines
7.4
Good
10,015 reviews
Scandinavian Airlines
7.4
Good
1,888 reviews
Check prices

Boarding

7.7

Comfort

7.3

Crew

8.0

Entertainment

6.7

Food

6.7

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Robert,Jul 2026

CPH - SFO

First rate expereince.! We've never flown SAS before but will defintely fly it again.
Aer Lingus
7.3
Good
1,673 reviews
Scandinavian Airlines
7.4
Good
1,888 reviews
Check prices

Boarding

7.7

Comfort

7.3

Crew

8.0

Entertainment

6.7

Food

6.7

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Robert,Jul 2026

CPH - SFO

First rate expereince.! We've never flown SAS before but will defintely fly it again.
Air Canada
7.1
Good
11,361 reviews
Scandinavian Airlines
7.4
Good
1,888 reviews
Check prices

Boarding

7.7

Comfort

7.3

Crew

8.0

Entertainment

6.7

Food

6.7

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Robert,Jul 2026

CPH - SFO

First rate expereince.! We've never flown SAS before but will defintely fly it again.
British Airways
6.7
Okay
8,124 reviews
Scandinavian Airlines
7.4
Good
1,888 reviews
Check prices

Boarding

7.7

Comfort

7.3

Crew

8.0

Entertainment

6.7

Food

6.7

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Robert,Jul 2026

CPH - SFO

First rate expereince.! We've never flown SAS before but will defintely fly it again.

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 152 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 £509, Scandinavian Airlines can have you in California from Ireland in 15h 49m. The distance between Ireland and California is about 5083 mi. Both multi-stop and direct flights can be found to your destination and back.

  • 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 £412). Flying from Ireland to California in July is currently the most expensive (average of £740). 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 9 airlines flying from Ireland to California

Discover the top 9 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 20 July 2026.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest£314Average£443FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
British AirwaysCheapest£328Average£492FlexibilityNo cancel feeOn-time70%
Search British Airways flights
American AirlinesCheapest£368Average£556FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
KLMCheapest£371Average£535FlexibilityNo cancel feeOn-time75%
Search KLM flights
Aer LingusCheapest£382Average£545FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
Air CanadaCheapest£406Average£603FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapest£438Average£649FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
JetBlueCheapest£451Average£708FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
IberiaCheapest£480Average£608FlexibilityNo cancel feeOn-time77%
Search Iberia 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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