Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Ireland to California from €278

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 19/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Voted the Winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

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.
American Airlines Logo
10:55 - 08:08DUB-LAS
29h 13m2 stops
American Airlines Logo
10:42 - 14:15LAS-DUB
19h 33m2 stops
€420American Airlines
Find Deal
Sat, 7 Feb - Sat, 14 Feb
American Airlines Logo
10:55 - 09:24DUB-LAS
30h 29m2 stops
American Airlines Logo
20:55 - 19:40LAS-DUB
14h 45m1 stop
€421American Airlines
Find Deal
Sat, 7 Feb - Sun, 15 Feb
Multiple Airlines Logo
10:45 - 22:34DUB-LAS
19h 49m2 stops
Multiple Airlines Logo
14:08 - 14:05LAS-DUB
15h 57m2 stops
€421Multiple Airlines
Find Deal
Fri, 23 Jan - Wed, 28 Jan
British Airways Logo
20:40 - 15:52DUB-LAS
27h 12m2 stops
British Airways Logo
12:20 - 17:05LAS-DUB
20h 45m2 stops
€422British Airways
Find Deal
Mon, 9 Feb - Mon, 16 Feb
British Airways Logo
08:50 - 22:37DUB-LAS
21h 47m2 stops
British Airways Logo
16:10 - 17:00LAS-DUB
16h 50m2 stops
€426British Airways
Find Deal
Tue, 13 Jan - Tue, 20 Jan
Delta Logo
05:55 - 11:50DUB-SFO
13h 55m1 stop
Delta Logo
10:20 - 12:40SFO-DUB
18h 20m2 stops
€437Delta
Find Deal
Sun, 15 Feb - Sat, 28 Feb
Delta Logo
05:55 - 22:12DUB-SJC
24h 17m2 stops
Delta Logo
07:15 - 15:45SJC-DUB
24h 30m2 stops
€438Delta
Find Deal
Wed, 11 Feb - Fri, 20 Feb
Aer Lingus Logo
15:20 - 18:30DUB-LAX
11h 10mdirect
Aer Lingus Logo
15:30 - 13:35LAX-DUB
14h 05m1 stop
€462Aer Lingus
Find Deal
Wed, 21 Jan - Tue, 27 Jan
United Airlines Logo
09:00 - 18:47DUB-LAX
17h 47m2 stops
United Airlines Logo
22:42 - 08:10LAX-DUB
25h 28m2 stops
€465United Airlines
Find Deal
Sat, 24 Jan - Sat, 24 Jan
United Airlines Logo
10:40 - 11:52DUB-LAX
33h 12m1 stop
United Airlines Logo
22:42 - 08:10LAX-DUB
25h 28m2 stops
€469United Airlines
Find Deal
Fri, 23 Jan - Sat, 24 Jan

United Airlines flights from Ireland to California

Our best United Airlines deals on Ireland to California flight tickets
United Airlines
24 Jan
DUB09:00Dublin
18h 27m
1 stop
LAX19:27Los Angeles
24 Jan
LAX22:42Los Angeles
25h 28m
2 stops
DUB08:10Dublin
€465
Find similar
United Airlines
9 Feb
DUB09:30Dublin
15h 42m
1 stop
LAS17:12Las Vegas Harry Reid Intl
20 Feb
LAS13:55Las Vegas Harry Reid Intl
12h 25m
1 stop
DUB10:20Dublin
€468
Find similar
United Airlines
9 Dec
DUB13:35Dublin
15h 41m
1 stop
LAS21:16Las Vegas Harry Reid Intl
8 Jan
LAS00:30Las Vegas Harry Reid Intl
23h 00m
2 stops
DUB07:30Dublin
€544
Find similar

Aer Lingus flights from Ireland to California

Our best Aer Lingus deals on Ireland to California flight tickets
Aer Lingus
13 Jan
DUB15:15Dublin
10h 35m
LAS17:50Las Vegas Harry Reid Intl
20 Jan
LAS19:35Las Vegas Harry Reid Intl
9h 45m
DUB13:20Dublin
€430
Find similar
Aer Lingus
13 Jan
DUB15:15Dublin
10h 35m
LAS17:50Las Vegas Harry Reid Intl
20 Jan
LAS19:35Las Vegas Harry Reid Intl
9h 45m
DUB13:20Dublin
€433
Find similar
Aer Lingus
10 Feb
DUB15:15Dublin
10h 35m
LAS17:50Las Vegas Harry Reid Intl
17 Feb
LAS19:35Las Vegas Harry Reid Intl
9h 45m
DUB13:20Dublin
€434
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 1 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

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Sat 7/2

10:55-08:08

2 stops29h 13m

Las Vegas Harry Reid Intl

Sat 14/2

10:42-14:15

2 stops19h 33m

€420

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Sat 7/2

10:55-09:24

2 stops30h 29m

Las Vegas Harry Reid Intl

Sun 15/2

20:55-19:40

1 stop14h 45m

€421

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Fri 23/1

10:45-22:34

2 stops19h 49m

Las Vegas Harry Reid Intl

Wed 28/1

14:08-14:05

2 stops15h 57m

€421

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Mon 9/2

20:40-15:52

2 stops27h 12m

Las Vegas Harry Reid Intl

Mon 16/2

12:20-17:05

2 stops20h 45m

€422

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Tue 13/1

08:50-22:37

2 stops21h 47m

Las Vegas Harry Reid Intl

Tue 20/1

16:10-17:00

2 stops16h 50m

€426

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Sun 15/2

05:55-11:50

1 stop13h 55m

San Francisco

Sat 28/2

10:20-12:40

2 stops18h 20m

€437

DublinSan Jose

DUB - SJC

DUBSJC

Dublin

Wed 11/2

05:55-22:12

2 stops24h 17m

San Jose

Fri 20/2

07:15-15:45

2 stops24h 30m

€438

DublinLos Angeles

DUB - LAX

DUBLAX

Dublin

Wed 21/1

15:20-18:30

Nonstop11h 10m

Los Angeles

Tue 27/1

15:30-13:35

1 stop14h 05m

€462

DublinLos Angeles

DUB - LAX

DUBLAX

Dublin

Sat 24/1

09:00-18:47

2 stops17h 47m

Los Angeles

Sat 24/1

22:42-08:10

2 stops25h 28m

€465

DublinLos Angeles

DUB - LAX

DUBLAX

Dublin

Fri 23/1

10:40-11:52

1 stop33h 12m

Los Angeles

Sat 24/1

22:42-08:10

2 stops25h 28m

€469

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 €418. 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 €506.

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 €556. 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 Saturday, with ticket prices averaging around €782.

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 €549. Flights in the evening are often more expensive, with an average ticket price of €678.

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 €594 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 €552 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 45% 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

€583

Fastest flight time

10h 30m

Direct flights

Every day

Airports in California

3 airports
The best one-way flight to California from Ireland in the past 72 hours is €583. The best return flight deal from Ireland to California found on momondo in the last 72 hours is €445.
The fastest flight from Ireland to California takes 10h 30m
Direct flights go from Ireland to California every day.
There are 3 airports near California: 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 €299Free CancellationRating
7.9
8,010 reviews
Search Delta flights
British AirwaysPriceFrom €390Free CancellationRating
6.7
7,548 reviews
Search British Airways flights
Aer LingusPriceFrom €438Free CancellationRating
7.2
1,384 reviews
Search Aer Lingus flights
United AirlinesPriceFrom €464Free CancellationRating
7.4
9,057 reviews
Search United Airlines flights
American AirlinesPriceFrom €493Free CancellationRating
7.2
11,039 reviews
Search American Airlines flights
IberiaPriceFrom €573Free CancellationRating
7.0
3,036 reviews
Search Iberia flights
KLMPriceFrom €576Free CancellationRating
7.7
1,424 reviews
Search KLM flights
Air CanadaPriceFrom €592Free CancellationRating
7.1
10,490 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.

An easier way to manage your California trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Wed 31/12
Wed 7/1
By creating a price alert you accept our terms of use and privacy policy.

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 €254
Flights to Orlandofrom €342
Flights to Chicagofrom €315
Flights to Miamifrom €365
Flights to Los Angelesfrom €402
Flights to Bostonfrom €293
Flights to San Franciscofrom €367
Flights to Las Vegasfrom €394
Flights to Anchoragefrom €843
Flights to Washington, D.C.from €315
Flights to Denverfrom €417
Flights to Dallasfrom €442