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Cheap flights from Ireland to California from €296

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 9/3. 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
10:45 - 22:06DUB-SJC
42h 21m2 stops
American Airlines Logo
06:00 - 09:50SJC-DUB
19h 50m2 stops
€398American Airlines
Find Deal
Fri, 31 Oct - Thu, 13 Nov
American Airlines Logo
12:55 - 12:20DUB-SJC
30h 25m1 stop
American Airlines Logo
06:00 - 09:50SJC-DUB
19h 50m2 stops
€400American Airlines
Find Deal
Fri, 31 Oct - Thu, 13 Nov
Aer Lingus Logo
15:15 - 17:50DUB-LAS
10h 35mdirect
Aer Lingus Logo
19:35 - 13:20LAS-DUB
9h 45mdirect
€434Aer Lingus
Find Deal
Thu, 13 Nov - Sat, 29 Nov
British Airways Logo
08:50 - 18:50DUB-LAS
18h 00m1 stop
British Airways Logo
09:50 - 12:15LAS-DUB
18h 25m2 stops
€447British Airways
Find Deal
Wed, 31 Dec - Wed, 14 Jan
British Airways Logo
18:15 - 16:03DUB-LAS
28h 48m2 stops
British Airways Logo
17:15 - 19:40LAS-DUB
18h 25m2 stops
€449British Airways
Find Deal
Fri, 31 Oct - Mon, 10 Nov
Aer Lingus Logo
15:15 - 17:50DUB-LAS
10h 35mdirect
Aer Lingus Logo
20:55 - 19:05LAS-DUB
14h 10m1 stop
€469Aer Lingus
Find Deal
Thu, 8 Jan - Tue, 13 Jan
United Airlines Logo
09:00 - 19:27DUB-LAX
18h 27m1 stop
United Airlines Logo
08:15 - 09:55LAX-DUB
17h 40m2 stops
€478United Airlines
Find Deal
Sat, 22 Nov - Sat, 29 Nov
United Airlines Logo
10:40 - 17:14DUB-LAX
14h 34m1 stop
United Airlines Logo
08:30 - 07:30LAX-DUB
15h 00m1 stop
€485United Airlines
Find Deal
Wed, 17 Dec - Mon, 29 Dec
Scandinavian Airlines Logo
11:15 - 14:35DUB-SFO
35h 20m2 stops
Scandinavian Airlines Logo
16:45 - 11:50SFO-DUB
35h 05m1 stop
€489Scandinavian Airlines
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Thu, 6 Nov - Mon, 30 Mar
Scandinavian Airlines Logo
11:15 - 14:35DUB-SFO
35h 20m2 stops
Scandinavian Airlines Logo
16:45 - 11:50SFO-DUB
35h 05m1 stop
€491Scandinavian Airlines
Find Deal
Thu, 6 Nov - Mon, 30 Mar

Air Canada flights from Ireland to California

Our best Air Canada deals on Ireland to California flight tickets
Air Canada
7 Nov
DUB09:00Dublin
18h 17m
2 stops
LAX19:17Los Angeles
16 Nov
LAX07:45Los Angeles
15h 25m
1 stop
DUB07:10Dublin
€487
Find similar
Air Canada
24 Oct
DUB09:20Dublin
14h 48m
1 stop
LAX16:08Los Angeles
6 Nov
LAX19:26Los Angeles
51h 44m
2 stops
DUB07:10Dublin
€490
Find similar
Air Canada
22 Oct
DUB09:20Dublin
34h 39m
2 stops
SFO11:59San Francisco
25 Mar
SFO08:25San Francisco
38h 45m
2 stops
DUB06:10Dublin
€608
Find similar

TAP AIR PORTUGAL flights from Ireland to California

Our best TAP AIR PORTUGAL deals on Ireland to California flight tickets
TAP AIR PORTUGAL
23 Jan
DUB04:25Dublin
18h 35m
1 stop
LAX15:00Los Angeles
31 Jan
LAX16:45Los Angeles
33h 35m
1 stop
DUB10:20Dublin
€499
Find similar
TAP AIR PORTUGAL
13 Feb
DUB04:25Dublin
18h 35m
1 stop
LAX15:00Los Angeles
17 Feb
LAX16:45Los Angeles
22h 35m
1 stop
DUB23:20Dublin
€508
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 16 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

Fri 31/10

10:45-22:06

2 stops42h 21m

San Jose

Thu 13/11

06:00-09:50

2 stops19h 50m

€398

DublinSan Jose

DUB - SJC

DUBSJC

Dublin

Fri 31/10

12:55-12:20

1 stop30h 25m

San Jose

Thu 13/11

06:00-09:50

2 stops19h 50m

€400

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Thu 13/11

15:15-17:50

Nonstop10h 35m

Las Vegas Harry Reid Intl

Sat 29/11

19:35-13:20

Nonstop9h 45m

€434

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Wed 31/12

08:50-18:50

1 stop18h 00m

Las Vegas Harry Reid Intl

Wed 14/1

09:50-12:15

2 stops18h 25m

€447

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Fri 31/10

18:15-16:03

2 stops28h 48m

Las Vegas Harry Reid Intl

Mon 10/11

17:15-19:40

2 stops18h 25m

€449

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Thu 8/1

15:15-17:50

Nonstop10h 35m

Las Vegas Harry Reid Intl

Tue 13/1

20:55-19:05

1 stop14h 10m

€469

DublinLos Angeles

DUB - LAX

DUBLAX

Dublin

Sat 22/11

09:00-19:27

1 stop18h 27m

Los Angeles

Sat 29/11

08:15-09:55

2 stops17h 40m

€478

DublinLos Angeles

DUB - LAX

DUBLAX

Dublin

Wed 17/12

10:40-17:14

1 stop14h 34m

Los Angeles

Mon 29/12

08:30-07:30

1 stop15h 00m

€485

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Thu 6/11

11:15-14:35

2 stops35h 20m

San Francisco

Mon 30/3

16:45-11:50

1 stop35h 05m

€489

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Thu 6/11

11:15-14:35

2 stops35h 20m

San Francisco

Mon 30/3

16:45-11:50

1 stop35h 05m

€491

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 €452. 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 €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 €576. 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 €891.

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 €546. Flights in the evening are often more expensive, with an average ticket price of €674.

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 €585 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 €524 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

€479

Fastest flight time

10h 35m

Direct flights

Every day

Airports in California

3 airports
The best flight deal from Ireland to California found on momondo in the last 72 hours is €479
The fastest flight from Ireland to California takes 10h 35m
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 €297Free CancellationRating
7.9
7,977 reviews
Search Delta flights
Scandinavian AirlinesPriceFrom €333Free CancellationRating
7.4
1,533 reviews
Search Scandinavian Airlines flights
United AirlinesPriceFrom €392Free CancellationRating
7.4
8,982 reviews
Search United Airlines flights
British AirwaysPriceFrom €393Free CancellationRating
6.7
7,457 reviews
Search British Airways flights
Aer LingusPriceFrom €459Free CancellationRating
7.2
1,341 reviews
Search Aer Lingus flights
American AirlinesPriceFrom €490Free CancellationRating
7.2
11,040 reviews
Search American Airlines flights
KLMPriceFrom €573Free CancellationRating
7.7
1,404 reviews
Search KLM flights
IberiaPriceFrom €587Free CancellationRating
7.0
2,994 reviews
Search Iberia flights
Air CanadaPriceFrom €588Free CancellationRating
7.1
10,307 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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