Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from Ireland to California from £222

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 6/6. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — LAX
6 May — 13 May1
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 1 May 2025.

Round-trip from

£409

One-way from

£222

Popular in

July

Cheapest in

February

Average price

£507

Good round-trip deal

£428 or less
British Airways
  • British Airways
  • 20/5-27/5
  • 2 total stops
  • 35h 25m total
  • Ireland to California
Search Deals
6/6
  • 6/6
  • 1 total stop
  • 17h 20m total
  • Ireland to California
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (£81 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£11 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 2025
Search Deals
Price to beat on a round-trip 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 1 May 2025.

Tue 20/510:30DUB - LAS
1 stop17h 30mBritish Airways
Tue 27/515:10LAS - DUB
1 stop17h 55mBritish Airways
Deal found 29/4£409
Tue 20/505:55DUB - LAS
2 stops17h 50mDelta
Tue 27/511:05LAS - DUB
1 stop15h 40mDelta
Deal found 1/5£413
Tue 20/512:00DUB - LAS
1 stop16h 02mKLM
Tue 27/509:15LAS - DUB
1 stop14h 40mKLM
Deal found 1/5£419
Fri 31/1010:45DUB - LAS
1 stop16h 05mMultiple Airlines
Mon 10/1111:07LAS - DUB
1 stop12h 08mMultiple Airlines
Deal found 1/5£422
Thu 9/1019:05DUB - SFO
2 stops35h 25mScandinavian Airlines
Thu 16/1019:40SFO - DUB
1 stop14h 35mScandinavian Airlines
Deal found 1/5£430
Sat 8/1105:00DUB - LAS
2 stops20h 32mLufthansa
Sat 15/1111:35LAS - DUB
2 stops14h 30mLufthansa
Deal found 30/4£430
Thu 5/619:05DUB - LAX
1 stop29h 15mScandinavian Airlines
Sun 8/621:29LAX - DUB
2 stops36h 46mScandinavian Airlines
Deal found 29/4£432
Sat 15/1109:00DUB - LAS
2 stops23h 01mUnited Airlines
Sat 22/1108:00LAS - DUB
2 stops18h 05mUnited Airlines
Deal found 30/4£432
Thu 22/505:55DUB - SFO
1 stop13h 50mMultiple Airlines
Tue 3/606:15SFO - DUB
1 stop18h 30mMultiple Airlines
Deal found 30/4£436
Wed 18/608:55DUB - SNA
2 stops19h 14mMultiple Airlines
Fri 4/708:00SNA - DUB
1 stop15h 55mMultiple Airlines
Deal found 30/4£438
Wed 21/509:20DUB - LAX
1 stop19h 58mUnited Airlines
Fri 30/510:15LAX - DUB
1 stop12h 55mUnited Airlines
Deal found 1/5£439
Thu 5/619:05DUB - LAS
2 stops35h 30mScandinavian Airlines
Mon 9/606:00LAS - DUB
2 stops28h 15mScandinavian Airlines
Deal found 30/4£440

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 1 May 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

Tue 20/5

10:30-20:00

1 stop17h 30m

Las Vegas Harry Reid Intl

Tue 27/5

15:10-17:05

1 stop17h 55m

£409

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Tue 20/5

05:55-15:45

2 stops17h 50m

Las Vegas Harry Reid Intl

Tue 27/5

11:05-10:45

1 stop15h 40m

£413

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Tue 20/5

12:00-20:02

1 stop16h 02m

Las Vegas Harry Reid Intl

Tue 27/5

09:15-07:55

1 stop14h 40m

£419

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Thu 9/10

19:05-22:30

2 stops35h 25m

San Francisco

Thu 16/10

19:40-18:15

1 stop14h 35m

£430

DublinLos Angeles

DUB - LAX

DUBLAX

Dublin

Thu 5/6

19:05-16:20

1 stop29h 15m

Los Angeles

Sun 8/6

21:29-18:15

2 stops36h 46m

£432

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Thu 22/5

05:55-11:45

1 stop13h 50m

San Francisco

Tue 3/6

06:15-08:45

1 stop18h 30m

£436

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Thu 16/10

10:55-21:00

2 stops18h 05m

Las Vegas Harry Reid Intl

Mon 20/10

22:00-19:35

1 stop13h 35m

£436

DublinSanta Ana

DUB - SNA

DUBSNA

Dublin

Wed 18/6

08:55-20:09

2 stops19h 14m

Santa Ana J. Wayne/Orange Cnty

Fri 4/7

08:00-07:55

1 stop15h 55m

£438

DublinLos Angeles

DUB - LAX

DUBLAX

Dublin

Wed 21/5

09:20-17:58

1 stop16h 38m

Los Angeles

Wed 28/5

13:15-10:20

1 stop13h 05m

£439

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Thu 5/6

19:05-22:35

2 stops35h 30m

Las Vegas Harry Reid Intl

Mon 9/6

06:00-18:15

2 stops28h 15m

£440

Flights are sorted by cheapest return flights first.

Deals found on 30/4

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, 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 1 May 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.

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 - 87.0 inches per month. February is typically the wettest month, when rainfall can reach 87.0 mm. July is typically the driest time to visit California when rainfall is around 0.0 mm.

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 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 14.0 C).

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 1 May 2025.
Peruse reviews from past customers who have flown with Singapore Airlines, Delta and KLM from Ireland to California to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Singapore Airlines
8.1
Very Good
1,292 reviews
Check prices

Food

7.7

Boarding

8.2

Entertainment

8.0

Overall

8.1

Crew

8.6

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
Singapore Airlines
8.1
Very Good
1,292 reviews
Singapore Airlines
8.1
Very Good
1,292 reviews
Check prices

Food

7.7

Boarding

8.2

Entertainment

8.0

Overall

8.1

Crew

8.6

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
Delta
8.0
Very Good
7,934 reviews
Singapore Airlines
8.1
Very Good
1,292 reviews
Check prices

Food

7.7

Boarding

8.2

Entertainment

8.0

Overall

8.1

Crew

8.6

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
KLM
7.8
Good
1,334 reviews
Singapore Airlines
8.1
Very Good
1,292 reviews
Check prices

Food

7.7

Boarding

8.2

Entertainment

8.0

Overall

8.1

Crew

8.6

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
Air Transat
7.8
Good
385 reviews
Singapore Airlines
8.1
Very Good
1,292 reviews
Check prices

Food

7.7

Boarding

8.2

Entertainment

8.0

Overall

8.1

Crew

8.6

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
Austrian Airlines
7.6
Good
781 reviews
Singapore Airlines
8.1
Very Good
1,292 reviews
Check prices

Food

7.7

Boarding

8.2

Entertainment

8.0

Overall

8.1

Crew

8.6

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.

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 389 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?

    For one-way options, check prices for WestJet. According to our data, you can fly for as low as £279. Users have also found prices from £405 and £465 on JetBlue and TAP AIR PORTUGAL, 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

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
Gatwick to John F Kennedy Intl flights
Heathrow to LaGuardia flights
London City to John F Kennedy Intl flights
Gatwick to Newark flights
London City to Newark flights
Gatwick to LaGuardia flights
Heathrow to Orlando flights
Heathrow to Los Angeles flights
Heathrow to Boston flights
Heathrow to O'Hare Intl flights
Heathrow to Miami flights
Heathrow to San Francisco flights
Stansted to John F Kennedy Intl flights
Heathrow to Seattle flights
Manchester to Orlando flights
Stansted to Stewart flights
Heathrow to Dulles Intl flights
Luton to John F Kennedy Intl flights
Manchester to John F Kennedy Intl flights
Heathrow to Dallas/Fort Worth flights
Gatwick to Orlando flights
Heathrow to Las Vegas flights
Gatwick to Boston flights
Heathrow to Hobby flights
London City to Los Angeles flights
London City to Orlando flights
Heathrow to Baltimore flights
Heathrow to Atlanta flights
Manchester to Newark flights
Edinburgh to Newark flights
London City to Miami flights
Heathrow to George Bush Intcntl flights
Heathrow to Tampa flights
Edinburgh to John F Kennedy Intl flights
Heathrow to Denver flights
Heathrow to Nashville flights
Heathrow to Charlotte flights
Stansted to Newark flights
Manchester to LaGuardia flights
Gatwick to Miami flights
Luton to Newark flights
London City to Boston flights
Heathrow to Detroit flights
Gatwick to San Francisco flights
Gatwick to Los Angeles flights
London City to San Francisco flights
Heathrow to Raleigh flights
Gatwick to O'Hare Intl 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 1 May 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest£296Average£365FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
British AirwaysCheapest£327Average£539FlexibilityNo cancel feeOn-time70%
Search British Airways flights
KLMCheapest£328Average£466FlexibilityNo cancel feeOn-time75%
Search KLM flights
Aer LingusCheapest£341Average£580FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
IberiaCheapest£342Average£457FlexibilityNo cancel feeOn-time77%
Search Iberia flights
DeltaCheapest£350Average£567FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
American AirlinesCheapest£360Average£549FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air CanadaCheapest£363Average£591FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
LufthansaCheapest£399Average£526FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
United AirlinesCheapest£411Average£607FlexibilityNo cancel feeOn-time69%
Search United Airlines 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.
Site
©2025 Cheapflights