Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from Ireland to California from £233

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 11/2. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — LAX
15 Feb — 22 Feb1
1 adult
1 adult, Economy, 0 bags

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 16 January 2026.

Round-trip from

£362

One-way from

£233

Popular in

July

Cheapest in

February

Average price

£437

Good round-trip deal

£428 or less
Delta
  • Delta
  • 27/1-3/2
  • 2 total stops
  • 28h 24m total
  • Ireland to California
Search Deals
LEVEL
  • LEVEL
  • 11/2
  • 1 total stop
  • 36h 45m 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 (£10 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 2026
Search Deals
Price to beat on a round-trip flight from Ireland to California.
Search Deals

Find 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 16 January 2026.

Thu 22/108:50
DUB
-
LAS
1 stop13h 25m
KLM
Thu 29/111:56
LAS
-
DUB
1 stop12h 49m
KLM
Deal found 15/1£362
Thu 22/108:50
DUB
-
LAS
1 stop13h 25m
KLM
Thu 5/211:56
LAS
-
DUB
1 stop12h 49m
KLM
Deal found 14/1£362
Thu 5/205:55
DUB
-
LAS
1 stop16h 20m
KLM
Sat 14/216:05
LAS
-
DUB
1 stop22h 05m
KLM
Deal found 13/1£363
Thu 5/208:50
DUB
-
LAS
1 stop13h 25m
Delta
Sat 14/210:45
LAS
-
DUB
2 stops17h 55m
Delta
Deal found 14/1£364
Thu 22/113:25
DUB
-
LAS
2 stops19h 15m
Delta
Sat 7/207:00
LAS
-
DUB
2 stops16h 50m
Delta
Deal found 13/1£365
Sat 21/1108:50
DUB
-
LAS
2 stops20h 42m
Delta
Thu 26/1106:25
LAS
-
DUB
1 stop17h 20m
Delta
Deal found 15/1£365
Tue 3/305:55
DUB
-
LAS
2 stops19h 35m
Delta
Tue 10/307:15
LAS
-
DUB
2 stops18h 30m
Delta
Deal found 13/1£367
Sat 31/108:55
DUB
-
LAS
2 stops21h 21m
Delta
Wed 4/207:00
LAS
-
DUB
2 stops16h 50m
Delta
Deal found 15/1£368
Tue 7/411:10
DUB
-
LAS
1 stop15h 25m
KLM
Mon 13/420:25
LAS
-
DUB
1 stop18h 00m
KLM
Deal found 15/1£368
Wed 28/105:55
DUB
-
LAX
1 stop13h 50m
KLM
Wed 4/206:25
LAX
-
DUB
1 stop18h 20m
KLM
Deal found 15/1£369
Sun 1/306:00
DUB
-
LAS
2 stops17h 29m
Delta
Tue 10/306:00
LAS
-
DUB
2 stops19h 45m
Delta
Deal found 14/1£371
Mon 16/215:20
DUB
-
LAX
Nonstop11h 10m
Aer Lingus
Fri 20/220:15
LAX
-
DUB
Nonstop10h 15m
Aer Lingus
Deal found 14/1£371

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 16 January 2026.
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

Thu 5/2

05:55-14:15

1 stop16h 20m

Las Vegas Harry Reid Intl

Sat 21/2

06:15-07:45

1 stop17h 30m

£362

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Tue 27/1

08:50-14:15

1 stop13h 25m

Las Vegas Harry Reid Intl

Tue 3/2

09:46-08:45

1 stop14h 59m

£362

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Thu 5/2

08:50-14:15

1 stop13h 25m

Las Vegas Harry Reid Intl

Sat 14/2

16:05-08:05

1 stop32h 00m

£364

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Thu 5/2

08:50-14:15

1 stop13h 25m

Las Vegas Harry Reid Intl

Sat 14/2

10:45-12:40

2 stops17h 55m

£364

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Wed 25/2

05:55-17:49

2 stops19h 54m

Las Vegas Harry Reid Intl

Sun 1/3

23:17-07:45

1 stop24h 28m

£366

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Tue 3/3

05:55-17:30

2 stops19h 35m

Las Vegas Harry Reid Intl

Tue 10/3

09:45-08:45

1 stop16h 00m

£367

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Tue 10/3

08:50-15:15

1 stop13h 25m

Las Vegas Harry Reid Intl

Tue 17/3

11:55-07:45

1 stop12h 50m

£372

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Thu 12/3

05:55-17:38

2 stops18h 43m

Las Vegas Harry Reid Intl

Tue 17/3

09:36-07:45

2 stops15h 09m

£376

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Wed 11/3

05:55-18:19

2 stops19h 24m

Las Vegas Harry Reid Intl

Wed 25/3

21:59-09:20

1 stop28h 21m

£377

DublinLos Angeles

DUB - LAX

DUBLAX

Dublin

Wed 28/1

05:55-11:45

1 stop13h 50m

Los Angeles

Tue 3/2

15:25-16:50

1 stop17h 25m

£378

Flights are sorted by cheapest return flights first.

Deals found on 14/1

Showing 1-10 of 60 results
1
2
3
...
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, March is the cheapest month in which you can book a flight from Ireland to California (average of £324). Flying from Ireland to California in July is currently the most expensive (average of £518). 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 16 January 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.

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 16 January 2026.
Read reviews from past customers who have flown with United Airlines, American Airlines, andAer Lingus from Ireland to California. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,163 reviews
Check prices

Overall

7.4

Food

6.6

Entertainment

7.1

Boarding

7.7

Crew

8.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
United Airlines
7.4
Good
9,163 reviews
United Airlines
7.4
Good
9,163 reviews
Check prices

Overall

7.4

Food

6.6

Entertainment

7.1

Boarding

7.7

Crew

8.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
American Airlines
7.2
Good
11,132 reviews
United Airlines
7.4
Good
9,163 reviews
Check prices

Overall

7.4

Food

6.6

Entertainment

7.1

Boarding

7.7

Crew

8.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
Aer Lingus
7.2
Good
1,435 reviews
United Airlines
7.4
Good
9,163 reviews
Check prices

Overall

7.4

Food

6.6

Entertainment

7.1

Boarding

7.7

Crew

8.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
Air Canada
7.1
Good
10,622 reviews
United Airlines
7.4
Good
9,163 reviews
Check prices

Overall

7.4

Food

6.6

Entertainment

7.1

Boarding

7.7

Crew

8.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
British Airways
6.7
Okay
7,676 reviews
United Airlines
7.4
Good
9,163 reviews
Check prices

Overall

7.4

Food

6.6

Entertainment

7.1

Boarding

7.7

Crew

8.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.

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 288 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 £364, Delta can have you in California from Ireland in 13h 25m. The distance between Ireland and California is about 4938 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, March is the cheapest month in which you can book a flight from Ireland to California (average of £324). Flying from Ireland to California in July is currently the most expensive (average of £518). 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.
Heathrow to John F Kennedy Intl flights
Heathrow to Newark flights
Heathrow to LaGuardia flights
Gatwick to Newark flights
London City to John F Kennedy Intl flights
Gatwick to John F Kennedy Intl flights
Gatwick to LaGuardia flights
Stansted to John F Kennedy Intl flights
Heathrow to Los Angeles flights
Heathrow to Orlando flights
Heathrow to Miami flights
Luton to John F Kennedy Intl flights
London City to Newark flights
Manchester to John F Kennedy Intl flights
Heathrow to Las Vegas flights
Luton to Newark flights
Stansted to Newark flights
Gatwick to Orlando flights
Heathrow to Dallas/Fort Worth flights
Heathrow to Boston flights
Manchester to Orlando flights
Heathrow to Dulles Intl flights
Heathrow to San Francisco flights
Gatwick to Los Angeles flights
Heathrow to Baltimore flights
Edinburgh to John F Kennedy Intl flights
Edinburgh to Newark flights
Heathrow to O'Hare Intl flights
Gatwick to Miami flights
Heathrow to Seattle flights
Manchester to Newark flights
London City to Miami flights
London City to Los Angeles flights
London City to Orlando flights
Manchester to LaGuardia flights
Heathrow to Tampa flights
Stansted to Miami flights
Heathrow to Atlanta flights
Gatwick to Boston flights
Stansted to Los Angeles flights
Heathrow to Hobby flights
Gatwick to Las Vegas flights
Heathrow to Nashville flights
London City to Las Vegas flights
Heathrow to Ontario flights
Heathrow to Denver flights
Luton to Miami flights
Heathrow to George Bush Intcntl flights
Stansted to Orlando flights
Gatwick to Dallas/Fort Worth flights

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 16 January 2026.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest£315Average£393FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
TAP AIR PORTUGALCheapest£318Average£356FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
British AirwaysCheapest£321Average£442FlexibilityNo cancel feeOn-time70%
Search British Airways flights
KLMCheapest£326Average£501FlexibilityNo cancel feeOn-time75%
Search KLM flights
IberiaCheapest£340Average£524FlexibilityNo cancel feeOn-time77%
Search Iberia flights
American AirlinesCheapest£359Average£573FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Aer LingusCheapest£377Average£557FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
LufthansaCheapest£396Average£519FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Air CanadaCheapest£407Average£563FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Air FranceCheapest£414Average£567FlexibilityNo 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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.