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Cheap flights from Ireland to California from €321

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 4/11. 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

American Airlines Logo
13:45 - 20:41DUB-LAS
14h 56m1 stop
American Airlines Logo
08:00 - 05:30LAS-DUB
13h 30m1 stop
€439American Airlines
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Fri, 3 Oct - Fri, 10 Oct
Logo
13:10 - 19:50DUB-LAS
13h 40m1 stop
Logo
08:00 - 07:10LAS-DUB
15h 10m1 stop
€443
Find Deal
Thu, 30 Oct - Thu, 6 Nov
British Airways Logo
20:40 - 18:50DUB-LAS
30h 10m1 stop
British Airways Logo
20:55 - 19:50LAS-DUB
14h 55m1 stop
€448British Airways
Find Deal
Sun, 30 Nov - Fri, 12 Dec
Aer Lingus Logo
15:15 - 17:50DUB-LAS
10h 35mdirect
Aer Lingus Logo
19:35 - 13:20LAS-DUB
9h 45mdirect
€448Aer Lingus
Find Deal
Thu, 6 Nov - Sat, 22 Nov
British Airways Logo
20:40 - 18:50DUB-LAS
30h 10m1 stop
British Airways Logo
15:59 - 18:35LAS-DUB
18h 36m2 stops
€449British Airways
Find Deal
Sun, 30 Nov - Tue, 9 Dec
Aer Lingus Logo
15:15 - 17:50DUB-LAS
10h 35mdirect
Aer Lingus Logo
19:35 - 13:20LAS-DUB
9h 45mdirect
€453Aer Lingus
Find Deal
Tue, 23 Dec - Sat, 27 Dec
Air Canada Logo
09:20 - 15:28DUB-SFO
14h 08m1 stop
Air Canada Logo
07:10 - 08:15SFO-DUB
17h 05m2 stops
€469Air Canada
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Wed, 15 Oct - Wed, 22 Oct
United Airlines Logo
13:35 - 21:54DUB-SNA
39h 19m2 stops
United Airlines Logo
21:05 - 09:55SNA-DUB
28h 50m1 stop
€474United Airlines
Find Deal
Thu, 30 Oct - Tue, 4 Nov
United Airlines Logo
09:20 - 16:08DUB-LAX
14h 48m1 stop
United Airlines Logo
12:45 - 10:20LAX-DUB
14h 35m1 stop
€476United Airlines
Find Deal
Wed, 15 Oct - Mon, 27 Oct
Air Canada Logo
09:20 - 16:08DUB-LAX
14h 48m1 stop
Air Canada Logo
14:10 - 07:10LAX-DUB
33h 00m2 stops
€481Air Canada
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Wed, 15 Oct - Sat, 25 Oct

Lufthansa flights from Ireland to California

Our best Lufthansa deals on Ireland to California flight tickets
Lufthansa
14 Oct
DUB12:30Dublin
15h 45m
1 stop
LAX20:15Los Angeles
22 Oct
LAX08:25Los Angeles
17h 20m
1 stop
DUB09:45Dublin
€460
Find similar
Lufthansa
9 Oct
DUB05:55Dublin
15h 05m
1 stop
LAX13:00Los Angeles
16 Oct
LAX13:00Los Angeles
13h 20m
1 stop
DUB10:20Dublin
€463
Find similar
Lufthansa
24 Sept
DUB05:55Dublin
14h 45m
1 stop
SFO12:40San Francisco
8 Oct
SFO13:02San Francisco
13h 18m
1 stop
DUB10:20Dublin
€490
Find similar

United Airlines flights from Ireland to California

Our best United Airlines deals on Ireland to California flight tickets
United Airlines
30 Oct
DUB13:35Dublin
39h 19m
2 stops
SNA21:54Santa Ana J. Wayne/Orange Cnty
4 Nov
SNA21:05Santa Ana J. Wayne/Orange Cnty
28h 50m
1 stop
DUB09:55Dublin
€474
Find similar
United Airlines
15 Oct
DUB09:20Dublin
14h 48m
1 stop
LAX16:08Los Angeles
27 Oct
LAX12:45Los Angeles
14h 35m
1 stop
DUB10:20Dublin
€476
Find similar
United Airlines
24 Nov
DUB09:00Dublin
18h 27m
1 stop
LAX19:27Los Angeles
8 Jan
LAX05:50Los Angeles
17h 40m
3 stops
DUB07:30Dublin
€478
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 September 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

Fri 3/10

13:45-20:41

1 stop14h 56m

Las Vegas Harry Reid Intl

Fri 10/10

08:00-05:30

1 stop13h 30m

€439

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Thu 30/10

13:10-19:50

1 stop13h 40m

Las Vegas Harry Reid Intl

Thu 6/11

08:00-07:10

1 stop15h 10m

€443

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Sun 30/11

20:40-18:50

1 stop30h 10m

Las Vegas Harry Reid Intl

Fri 12/12

20:55-19:50

1 stop14h 55m

€448

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Thu 6/11

15:15-17:50

Nonstop10h 35m

Las Vegas Harry Reid Intl

Sat 22/11

19:35-13:20

Nonstop9h 45m

€448

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Sun 30/11

20:40-18:50

1 stop30h 10m

Las Vegas Harry Reid Intl

Tue 9/12

15:59-18:35

2 stops18h 36m

€449

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Tue 23/12

15:15-17:50

Nonstop10h 35m

Las Vegas Harry Reid Intl

Sat 27/12

19:35-13:20

Nonstop9h 45m

€453

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Wed 15/10

09:20-15:28

1 stop14h 08m

San Francisco

Wed 22/10

07:10-08:15

2 stops17h 05m

€469

DublinSanta Ana

DUB - SNA

DUBSNA

Dublin

Thu 30/10

13:35-21:54

2 stops39h 19m

Santa Ana J. Wayne/Orange Cnty

Tue 4/11

21:05-09:55

1 stop28h 50m

€474

DublinLos Angeles

DUB - LAX

DUBLAX

Dublin

Wed 15/10

09:20-16:08

1 stop14h 48m

Los Angeles

Mon 27/10

12:45-10:20

1 stop14h 35m

€476

DublinLos Angeles

DUB - LAX

DUBLAX

Dublin

Wed 15/10

09:20-16:08

1 stop14h 48m

Los Angeles

Sat 25/10

14:10-07:10

2 stops33h 00m

€481

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 €449. 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 €495.

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 €600. 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 €777.

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 €542. Flights in the evening are often more expensive, with an average ticket price of €670.

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 €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 €544 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 49% 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

€594

Fastest flight time

10h 35m

Direct flights

Every day

Airports in California

3 airports
The best one-way flight to California from Ireland in the past 72 hours is €594. The best return flight deal from Ireland to California found on momondo in the last 72 hours is €487.
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)
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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 €295Free CancellationRating
7.9
7,954 reviews
Search Delta flights
Scandinavian AirlinesPriceFrom €330Free CancellationRating
7.4
1,484 reviews
Search Scandinavian Airlines flights
United AirlinesPriceFrom €389Free CancellationRating
7.4
8,929 reviews
Search United Airlines flights
British AirwaysPriceFrom €390Free CancellationRating
6.6
7,361 reviews
Search British Airways flights
Air CanadaPriceFrom €439Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights
Aer LingusPriceFrom €461Free CancellationRating
7.2
1,270 reviews
Search Aer Lingus flights
KLMPriceFrom €476Free CancellationRating
7.8
1,385 reviews
Search KLM flights
American AirlinesPriceFrom €486Free CancellationRating
7.2
10,000 reviews
Search American Airlines 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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