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Cheap flights from Ireland to California from €297

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 1/2. 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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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
13:10 - 10:11DUB-SJC
53h 01m2 stops
American Airlines Logo
08:10 - 10:00SJC-DUB
17h 50m2 stops
€401American Airlines
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Wed, 11 Feb - Fri, 20 Feb
American Airlines Logo
11:30 - 22:31DUB-SJC
19h 01m2 stops
American Airlines Logo
11:01 - 19:40SJC-DUB
24h 39m2 stops
€403American Airlines
Find Deal
Fri, 20 Feb - Tue, 24 Feb
Delta Logo
05:55 - 14:15DUB-LAS
16h 20m1 stop
Delta Logo
10:40 - 09:20LAS-DUB
14h 40m1 stop
€429Delta
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Thu, 4 Dec - Thu, 18 Dec
Delta Logo
13:25 - 00:20DUB-LAS
18h 55m2 stops
Delta Logo
23:27 - 08:45LAS-DUB
25h 18m1 stop
€431Delta
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Fri, 5 Dec - Tue, 6 Jan
British Airways Logo
08:50 - 22:17DUB-LAS
21h 27m2 stops
British Airways Logo
06:03 - 09:50LAS-DUB
19h 47m2 stops
€433British Airways
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Mon, 8 Dec - Sat, 10 Jan
British Airways Logo
10:20 - 23:59DUB-LAS
21h 39m2 stops
British Airways Logo
06:03 - 09:50LAS-DUB
19h 47m2 stops
€436British Airways
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Wed, 3 Dec - Sat, 10 Jan
Aer Lingus Logo
15:15 - 17:50DUB-LAS
10h 35mdirect
Aer Lingus Logo
19:35 - 13:20LAS-DUB
9h 45mdirect
€437Aer Lingus
Find Deal
Thu, 4 Dec - Tue, 6 Jan
Aer Lingus Logo
12:30 - 15:35DUB-SFO
11h 05mdirect
Aer Lingus Logo
17:20 - 11:25SFO-DUB
10h 05mdirect
€439Aer Lingus
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Fri, 7 Nov - Sat, 22 Nov
United Airlines Logo
09:00 - 19:27DUB-LAX
18h 27m1 stop
United Airlines Logo
08:35 - 07:30LAX-DUB
14h 55m1 stop
€479United Airlines
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Sat, 15 Nov - Thu, 4 Dec
United Airlines Logo
09:00 - 19:27DUB-LAX
18h 27m1 stop
United Airlines Logo
08:33 - 08:10LAX-DUB
15h 37m1 stop
€483United Airlines
Find Deal
Fri, 28 Nov - Fri, 9 Jan

Aer Lingus flights from Ireland to California

Our best Aer Lingus deals on Ireland to California flight tickets
Aer Lingus
4 Dec
DUB15:15Dublin
10h 35m
LAS17:50Las Vegas Harry Reid Intl
6 Jan
LAS19:35Las Vegas Harry Reid Intl
9h 45m
DUB13:20Dublin
€437
Find similar
Aer Lingus
7 Nov
DUB12:30Dublin
11h 05m
SFO15:35San Francisco
22 Nov
SFO17:20San Francisco
10h 05m
DUB11:25Dublin
€439
Find similar
Aer Lingus
11 Dec
DUB15:15Dublin
10h 35m
LAS17:50Las Vegas Harry Reid Intl
27 Dec
LAS19:35Las Vegas Harry Reid Intl
9h 45m
DUB13:20Dublin
€443
Find similar

Delta flights from Ireland to California

Our best Delta deals on Ireland to California flight tickets
Delta
4 Dec
DUB05:55Dublin
16h 20m
1 stop
LAS14:15Las Vegas Harry Reid Intl
18 Dec
LAS10:40Las Vegas Harry Reid Intl
14h 40m
1 stop
DUB09:20Dublin
€429
Find similar
Delta
5 Dec
DUB13:25Dublin
18h 55m
2 stops
LAS00:20Las Vegas Harry Reid Intl
6 Jan
LAS23:27Las Vegas Harry Reid Intl
25h 18m
1 stop
DUB08:45Dublin
€431
Find similar
Delta
12 Mar
DUB05:55Dublin
18h 00m
2 stops
LAS16:55Las Vegas Harry Reid Intl
16 Mar
LAS00:45Las Vegas Harry Reid Intl
24h 00m
1 stop
DUB07:45Dublin
€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 28 October 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

DublinSan Jose

DUB - SJC

DUBSJC

Dublin

Wed 11/2

13:10-10:11

2 stops53h 01m

San Jose

Fri 20/2

08:10-10:00

2 stops17h 50m

€401

DublinSan Jose

DUB - SJC

DUBSJC

Dublin

Fri 20/2

11:30-22:31

2 stops19h 01m

San Jose

Tue 24/2

11:01-19:40

2 stops24h 39m

€403

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Thu 4/12

05:55-14:15

1 stop16h 20m

Las Vegas Harry Reid Intl

Thu 18/12

10:40-09:20

1 stop14h 40m

€429

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Fri 5/12

13:25-00:20

2 stops18h 55m

Las Vegas Harry Reid Intl

Tue 6/1

23:27-08:45

1 stop25h 18m

€431

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Mon 8/12

08:50-22:17

2 stops21h 27m

Las Vegas Harry Reid Intl

Sat 10/1

06:03-09:50

2 stops19h 47m

€433

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Wed 3/12

10:20-23:59

2 stops21h 39m

Las Vegas Harry Reid Intl

Sat 10/1

06:03-09:50

2 stops19h 47m

€436

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Thu 4/12

15:15-17:50

Nonstop10h 35m

Las Vegas Harry Reid Intl

Tue 6/1

19:35-13:20

Nonstop9h 45m

€437

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Fri 7/11

12:30-15:35

Nonstop11h 05m

San Francisco

Sat 22/11

17:20-11:25

Nonstop10h 05m

€439

DublinLos Angeles

DUB - LAX

DUBLAX

Dublin

Sat 15/11

09:00-19:27

1 stop18h 27m

Los Angeles

Thu 4/12

08:35-07:30

1 stop14h 55m

€479

DublinLos Angeles

DUB - LAX

DUBLAX

Dublin

Fri 28/11

09:00-19:27

1 stop18h 27m

Los Angeles

Fri 9/1

08:33-08:10

1 stop15h 37m

€483

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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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 €454. If you’re not able to fly to California in February, then November is your next best option. Flight prices from Ireland to California during November average around €499.

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 €572. 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 €887.

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 €548. Flights in the evening are often more expensive, with an average ticket price of €676.

What is the cheapest Ireland to California flight route?

Fly from Dublin to San Francisco 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 €587 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 €525 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 43% 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

€968

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 €968. The best return flight deal from Ireland to California found on momondo in the last 72 hours is €483.
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)
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  • 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 €298Free CancellationRating
7.9
7,994 reviews
Search Delta flights
Scandinavian AirlinesPriceFrom €355Free CancellationRating
7.4
1,543 reviews
Search Scandinavian Airlines flights
British AirwaysPriceFrom €389Free CancellationRating
6.7
7,483 reviews
Search British Airways flights
United AirlinesPriceFrom €393Free CancellationRating
7.4
9,001 reviews
Search United Airlines flights
Aer LingusPriceFrom €445Free CancellationRating
7.2
1,361 reviews
Search Aer Lingus flights
American AirlinesPriceFrom €491Free CancellationRating
7.2
11,032 reviews
Search American Airlines flights
KLMPriceFrom €574Free CancellationRating
7.7
1,406 reviews
Search KLM flights
IberiaPriceFrom €589Free CancellationRating
7.0
3,001 reviews
Search Iberia flights
Air CanadaPriceFrom €590Free CancellationRating
7.1
10,371 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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