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Cheap flights from Ireland to California from €237

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ireland to California departing on 26/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Ireland to California

Recent return flight deals from Ireland to California

Enter your travel dates to find the best prices.
British Airways Logo
08:50 - 23:58
DUB
-
ONT
23h 08m2 stops
British Airways Logo
06:10 - 19:40
ONT
-
DUB
29h 30m2 stops
€384British Airways
Thu, 26 Feb - Mon, 2 Mar
British Airways Logo
08:50 - 22:49
DUB
-
SJC
21h 59m2 stops
British Airways Logo
14:32 - 16:50
SJC
-
DUB
18h 18m2 stops
€384British Airways
Thu, 22 Jan - Sun, 25 Jan
British Airways Logo
08:50 - 22:49
DUB
-
ONT
21h 59m2 stops
British Airways Logo
15:19 - 17:05
ONT
-
DUB
17h 46m2 stops
€385British Airways
Thu, 26 Feb - Mon, 2 Mar
American Airlines Logo
11:30 - 14:15
DUB
-
LAS
34h 45m2 stops
American Airlines Logo
10:36 - 12:35
LAS
-
DUB
17h 59m2 stops
€411American Airlines
Fri, 23 Jan - Mon, 26 Jan
Delta Logo
08:50 - 14:15
DUB
-
LAS
13h 25m1 stop
Delta Logo
10:19 - 15:45
LAS
-
DUB
21h 26m2 stops
€412Delta
Tue, 20 Jan - Tue, 27 Jan
Delta Logo
08:50 - 14:15
DUB
-
LAS
13h 25m1 stop
Delta Logo
07:00 - 08:00
LAS
-
DUB
17h 00m2 stops
€413Delta
Thu, 15 Jan - Sat, 31 Jan
American Airlines Logo
11:30 - 20:55
DUB
-
SNA
17h 25m2 stops
American Airlines Logo
18:51 - 08:40
SNA
-
DUB
29h 49m2 stops
€432American Airlines
Sat, 17 Jan - Wed, 21 Jan
Aer Lingus Logo
15:20 - 19:30
DUB
-
LAX
11h 10mdirect
Aer Lingus Logo
21:15 - 14:30
LAX
-
DUB
10h 15mdirect
€470Aer Lingus
Thu, 19 Mar - Thu, 26 Mar
United Airlines Logo
09:30 - 17:22
DUB
-
SNA
15h 52m1 stop
United Airlines Logo
10:51 - 08:10
SNA
-
DUB
13h 19m1 stop
€597United Airlines
Sat, 17 Jan - Wed, 21 Jan
United Airlines Logo
10:40 - 20:58
DUB
-
ONT
18h 18m2 stops
United Airlines Logo
08:00 - 07:30
ONT
-
DUB
15h 30m2 stops
€598United Airlines
Tue, 20 Jan - Tue, 27 Jan

Aer Lingus flights from Ireland to California

Our best Aer Lingus deals on Ireland to California flight tickets
Aer Lingus
8 Feb
DUB13:30Dublin
11h 05m
SFO16:35San Francisco
15 Feb
SFO18:20San Francisco
10h 05m
DUB12:25Dublin
€436
Find similar
Aer Lingus
21 Jan
DUB12:30Dublin
11h 05m
SFO15:35San Francisco
4 Feb
SFO17:20San Francisco
10h 05m
DUB11:25Dublin
€451
Find similar
Aer Lingus
4 Feb
DUB12:30Dublin
11h 05m
SFO15:35San Francisco
18 Feb
SFO17:20San Francisco
10h 05m
DUB11:25Dublin
€460
Find similar

Delta flights from Ireland to California

Our best Delta deals on Ireland to California flight tickets
Delta
20 Jan
DUB08:50Dublin
13h 25m
1 stop
LAS14:15Las Vegas Harry Reid Intl
27 Jan
LAS10:19Las Vegas Harry Reid Intl
21h 26m
2 stops
DUB15:45Dublin
€412
Find similar
Delta
15 Jan
DUB08:50Dublin
13h 25m
1 stop
LAS14:15Las Vegas Harry Reid Intl
31 Jan
LAS07:00Las Vegas Harry Reid Intl
17h 00m
2 stops
DUB08:00Dublin
€413
Find similar
Delta
15 Jan
DUB08:50Dublin
13h 25m
1 stop
LAS14:15Las Vegas Harry Reid Intl
31 Jan
LAS11:56Las Vegas Harry Reid Intl
12h 49m
1 stop
DUB08:45Dublin
€413
Find similar

momondo 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, momondo users made 13,528 searches. Data last updated 25 December 2025.
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

DublinOntario

DUB - ONT

DUBONT

Dublin

Thu 26/2

08:50-23:58

2 stops23h 08m

Ontario

Mon 2/3

06:10-19:40

2 stops29h 30m

€384

DublinSan Jose

DUB - SJC

DUBSJC

Dublin

Thu 22/1

08:50-22:49

2 stops21h 59m

San Jose

Sun 25/1

14:32-16:50

2 stops18h 18m

€384

DublinOntario

DUB - ONT

DUBONT

Dublin

Thu 26/2

08:50-22:49

2 stops21h 59m

Ontario

Mon 2/3

15:19-17:05

2 stops17h 46m

€385

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Fri 23/1

11:30-14:15

2 stops34h 45m

Las Vegas Harry Reid Intl

Mon 26/1

10:36-12:35

2 stops17h 59m

€411

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Tue 20/1

08:50-14:15

1 stop13h 25m

Las Vegas Harry Reid Intl

Tue 27/1

10:19-15:45

2 stops21h 26m

€412

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Thu 15/1

08:50-14:15

1 stop13h 25m

Las Vegas Harry Reid Intl

Sat 31/1

07:00-08:00

2 stops17h 00m

€413

DublinSanta Ana

DUB - SNA

DUBSNA

Dublin

Sat 17/1

11:30-20:55

2 stops17h 25m

Santa Ana J. Wayne/Orange Cnty

Wed 21/1

18:51-08:40

2 stops29h 49m

€432

DublinLos Angeles

DUB - LAX

DUBLAX

Dublin

Thu 19/3

15:20-19:30

Nonstop11h 10m

Los Angeles

Thu 26/3

21:15-14:30

Nonstop10h 15m

€470

DublinSanta Ana

DUB - SNA

DUBSNA

Dublin

Sat 17/1

09:30-17:22

1 stop15h 52m

Santa Ana J. Wayne/Orange Cnty

Wed 21/1

10:51-08:10

1 stop13h 19m

€597

DublinOntario

DUB - ONT

DUBONT

Dublin

Tue 20/1

10:40-20:58

2 stops18h 18m

Ontario

Tue 27/1

08:00-07:30

2 stops15h 30m

€598

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to California from

How to get the cheapest flight ticket from Ireland to California

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to California?

In general, February is the cheapest month to fly from Ireland to California. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around €416. If you’re not able to fly to California in February, then October is your next best option. Flight prices from Ireland to California during October average around €498.

What is the cheapest day to depart on your flight to California?

The cheapest day to depart on your flight to California is on a Wednesday when prices can be found for as low as €547. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to California is Tuesday, with ticket prices averaging around €894.

What is the cheapest time of day to depart on your flight to California?

Our most recent data shows that the best time of day to fly to California is in the morning. Flights from Ireland to California during this time can be as low as €541. Flights in the evening are often more expensive, with an average ticket price of €668.

What is the cheapest Ireland to California flight route?

Fly from Dublin to Los Angeles for the best Ireland - California flight prices

How far in advance should I book a flight to California?

You are more likely to see cheaper flights to California from Ireland when booking weeks ahead of your departure date. In general, you can expect to find flights to California for around €581 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to California from Ireland for as low as €537 on momondo.

What cabin class options are available on Ireland to California flights?

There are 2 cabin classes available to choose from on Ireland to California flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Ireland to California flights?

You could potentially save up to 5% on your flight if you consider stops on a Ireland to California flight.

Cheap Ireland to California flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ireland to California

Best price found

€595

Fastest flight time

10h 30m

Direct flights

Every day

Airports in California

418 airports
The best one-way flight to California from Ireland in the past 72 hours is €595. The best return flight deal from Ireland to California found on momondo in the last 72 hours is €453.
The fastest flight from Ireland to California takes 10h 30m
Direct flights go from Ireland to California every day.
There are 418 airports in California. From Ireland there are direct flights to Los Angeles (LAX), San Francisco (SFO), Las Vegas Harry Reid Intl (LAS).
Search flight deals

  • When did momondo last update prices for flights from Ireland to California?

    Prices for flights from Ireland to California were last updated today.

  • How many operators does momondo search for flights from Ireland to California?

  • How old do you have to be to fly from Ireland to California?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Ireland to California.

  • What documentation or ID do you need to fly to California?

    The travel and health documents required for your trip to California can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at California. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Ireland to California?

Best airlines flying from Ireland to California

Compare and see reviews for airlines that fly from Ireland to California with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom €294Free CancellationRating
7.9
8,012 reviews
Search Delta flights
British AirwaysPriceFrom €384Free CancellationRating
6.7
7,617 reviews
Search British Airways flights
Aer LingusPriceFrom €434Free CancellationRating
7.2
1,412 reviews
Search Aer Lingus flights
American AirlinesPriceFrom €469Free CancellationRating
7.2
11,060 reviews
Search American Airlines flights
United AirlinesPriceFrom €499Free CancellationRating
7.4
9,115 reviews
Search United Airlines flights
Air CanadaPriceFrom €583Free CancellationRating
7.1
10,560 reviews
Search Air Canada flights

Why use momondo?

Why should I use momondo to find a flight deal from Ireland to California?

It is quick and easy to find Ireland to California flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to California that suits you.

Can I find flights from Ireland to California with flexible booking policies on momondo?

Yes. All flights to California from Ireland on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Ireland to California?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Ireland to California.

I’m not ready to book a flight from Ireland to California right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Ireland to California now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to California and let you know when they change.

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Find better results for your trip to California

Popular Cities in California

Popular flights according to clicks in the last 7 days on momondo
Flights to New Yorkfrom €285
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Flights to Las Vegasfrom €384
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Flights to Dallasfrom €446