Cheap flights from Ireland to California from £251

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 21/9. 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 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.

Find the cheapest flights from Ireland to California

Recent return flight deals from Ireland to California

TAP AIR PORTUGAL Logo
18:50 - 14:35DUB-SFO
27h 45m1 stop
TAP AIR PORTUGAL Logo
18:45 - 23:55SFO-DUB
21h 10m1 stop
£339TAP AIR PORTUGAL
Find Deal
Tue, 9 Sep - Tue, 16 Sep
TAP AIR PORTUGAL Logo
18:50 - 14:35DUB-SFO
27h 45m1 stop
TAP AIR PORTUGAL Logo
18:45 - 23:55SFO-DUB
21h 10m1 stop
£342TAP AIR PORTUGAL
Find Deal
Tue, 9 Sep - Tue, 16 Sep
British Airways Logo
10:55 - 18:50DUB-LAS
15h 55m1 stop
British Airways Logo
20:55 - 17:40LAS-DUB
12h 45m1 stop
£380British Airways
Find Deal
Sat, 24 Jan - Sat, 7 Feb
British Airways Logo
20:20 - 13:20DUB-LAS
25h 00m1 stop
British Airways Logo
16:30 - 17:00LAS-DUB
17h 30m2 stops
£384British Airways
Find Deal
Wed, 22 Oct - Wed, 29 Oct
Aer Lingus Logo
15:25 - 18:25DUB-LAX
11h 00mdirect
Aer Lingus Logo
20:15 - 14:30LAX-DUB
10h 15mdirect
£396Aer Lingus
Find Deal
Sat, 13 Sep - Sat, 20 Sep
American Airlines Logo
12:40 - 22:05DUB-LAS
17h 25m1 stop
American Airlines Logo
05:15 - 07:10LAS-DUB
18h 55m1 stop
£420American Airlines
Find Deal
Wed, 22 Oct - Sun, 26 Oct
American Airlines Logo
12:40 - 19:03DUB-LAS
14h 23m1 stop
American Airlines Logo
06:45 - 07:10LAS-DUB
17h 25m1 stop
£422American Airlines
Find Deal
Wed, 22 Oct - Sun, 26 Oct
United Airlines Logo
09:20 - 20:43DUB-ONT
19h 23m2 stops
United Airlines Logo
07:00 - 07:20ONT-DUB
16h 20m2 stops
£441United Airlines
Find Deal
Thu, 11 Sep - Mon, 15 Sep
United Airlines Logo
09:00 - 18:27DUB-LAS
17h 27m2 stops
United Airlines Logo
06:00 - 09:55LAS-DUB
19h 55m2 stops
£449United Airlines
Find Deal
Mon, 17 Nov - Sun, 23 Nov
Aer Lingus Logo
15:25 - 18:25DUB-LAX
11h 00mdirect
Aer Lingus Logo
12:47 - 10:40LAX-DUB
13h 53m1 stop
£472Aer Lingus
Find Deal
Sat, 13 Sep - Sat, 20 Sep

Finnair flights from Ireland to California

Our best Finnair deals on Ireland to California flight tickets
Finnair
4 Sept
DUB09:45Dublin
15h 20m
1 stop
LAX17:05Los Angeles
17 Sept
LAX10:35Los Angeles
15h 10m
1 stop
DUB09:45Dublin
Finnair
13 Sept
DUB18:00Dublin
34h 41m
2 stops
LAS20:41Las Vegas Harry Reid Intl
28 Sept
LAS10:32Las Vegas Harry Reid Intl
15h 13m
1 stop
DUB09:45Dublin
Finnair
4 Sept
DUB09:45Dublin
15h 20m
1 stop
LAX17:05Los Angeles
20 Sept
LAX23:59Los Angeles
25h 46m
1 stop
DUB09:45Dublin

Delta flights from Ireland to California

Our best Delta deals on Ireland to California flight tickets
Delta
24 Jan
DUB05:55Dublin
19h 00m
2 stops
LAS16:55Las Vegas Harry Reid Intl
7 Feb
LAS06:05Las Vegas Harry Reid Intl
18h 40m
2 stops
DUB08:45Dublin
Delta
1 Nov
DUB08:50Dublin
20h 05m
2 stops
LAS21:55Las Vegas Harry Reid Intl
7 Nov
LAS00:35Las Vegas Harry Reid Intl
23h 10m
1 stop
DUB07:45Dublin
Delta
1 Nov
DUB09:45Dublin
20h 25m
1 stop
LAS23:10Las Vegas Harry Reid Intl
7 Nov
LAS00:35Las Vegas Harry Reid Intl
23h 10m
1 stop
DUB07:45Dublin

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 279,928 searches. Data last updated 1 August 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 Francisco

DUB - SFO

DUBSFO

Dublin

Tue 9/9

18:50-14:35

1 stop27h 45m

San Francisco

Tue 16/9

18:45-23:55

1 stop21h 10m

£339

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Tue 9/9

18:50-14:35

1 stop27h 45m

San Francisco

Tue 16/9

18:45-23:55

1 stop21h 10m

£342

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Sat 24/1

10:55-18:50

1 stop15h 55m

Las Vegas Harry Reid Intl

Sat 7/2

20:55-17:40

1 stop12h 45m

£380

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Wed 22/10

20:20-13:20

1 stop25h 00m

Las Vegas Harry Reid Intl

Wed 29/10

16:30-17:00

2 stops17h 30m

£384

DublinLos Angeles

DUB - LAX

DUBLAX

Dublin

Sat 13/9

15:25-18:25

Nonstop11h 00m

Los Angeles

Sat 20/9

20:15-14:30

Nonstop10h 15m

£396

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Wed 22/10

12:40-22:05

1 stop17h 25m

Las Vegas Harry Reid Intl

Sun 26/10

05:15-07:10

1 stop18h 55m

£420

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Wed 22/10

12:40-19:03

1 stop14h 23m

Las Vegas Harry Reid Intl

Sun 26/10

06:45-07:10

1 stop17h 25m

£422

DublinOntario

DUB - ONT

DUBONT

Dublin

Thu 11/9

09:20-20:43

2 stops19h 23m

Ontario

Mon 15/9

07:00-07:20

2 stops16h 20m

£441

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Mon 17/11

09:00-18:27

2 stops17h 27m

Las Vegas Harry Reid Intl

Sun 23/11

06:00-09:55

2 stops19h 55m

£449

DublinLos Angeles

DUB - LAX

DUBLAX

Dublin

Sat 13/9

15:25-18:25

Nonstop11h 00m

Los Angeles

Sat 20/9

12:47-10:40

1 stop13h 53m

£472

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?

If you are unable to visit California during the month of February, then departing from Ireland during the month November is also very affordable. Most momondo users find prices during this month for around £435.

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 Thursday when prices can be found for as low as £542. This is often the case because there is less demand to fly during this day of the week. On the other hand, Saturday is the most expensive day to depart from Ireland because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £618.

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

The cheapest time of day to fly to California is in the morning when flights can be purchased for as low as £460. In contrast, the most expensive time of day to depart to California is in the evening when prices are around £577.

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 £518 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 £459 on momondo.

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

There are 3 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 41% 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

£251

Fastest flight time

10h 55m

Direct flights

Mon, Wed, Thu, Fri, Sat and Sun

Airports in California

10 airports
The best one-way flight to California from Ireland in the past 72 hours is £251. The best return flight deal from Ireland to California found on momondo in the last 72 hours is £339.
The fastest flight from Ireland to California takes 10h 55m
Direct flights go from Ireland to California on Monday, Wednesday, Thursday, Friday, Saturday and Sunday. Airlines offering direct flights are: Aer Lingus, American Airlines and British Airways.
There are 10 airports near California: San Diego (SAN), Los Angeles (LAX), Ontario (ONT), Long Beach Municipal (LGB), Santa Ana J. Wayne/Orange Cnty (SNA), Oakland (OAK), San Francisco (SFO), San Jose (SJC), Burbank Bob Hope (BUR), Las Vegas Harry Reid Intl (LAS)

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

    Prices for flights from Ireland to California are refreshed on a daily basis.

  • 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 layovers. 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 necessary travel and health documents for your California trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • 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
Scandinavian AirlinesPriceFrom £299Free CancellationRating
7.3
1,457 reviews
Search Scandinavian Airlines flights
KLMPriceFrom £331Free CancellationRating
7.8
1,383 reviews
Search KLM flights
British AirwaysPriceFrom £332Free CancellationRating
6.6
7,222 reviews
Search British Airways flights
IberiaPriceFrom £345Free CancellationRating
7.0
2,859 reviews
Search Iberia flights
Aer LingusPriceFrom £346Free CancellationRating
7.1
1,192 reviews
Search Aer Lingus flights
American AirlinesPriceFrom £364Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
LufthansaPriceFrom £403Free CancellationRating
6.8
7,275 reviews
Search Lufthansa flights
United AirlinesPriceFrom £418Free CancellationRating
7.4
8,900 reviews
Search United Airlines flights
Air FrancePriceFrom £422Free CancellationRating
7.5
1,465 reviews
Search Air France flights
Air CanadaPriceFrom £448Free CancellationRating
7.1
9,851 reviews
Search Air Canada flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Ireland to California. momondo saves you time and could save you money on your trip.

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

Flights from Ireland to California with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo provides multiple filters to help you find the best flight to California from Ireland. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes momondo offers price alerts on flights to California from Ireland. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices 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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Wed 6/8
Wed 13/8

Find better results for your trip to California

Popular Cities in California

Popular flights according to clicks in the last 7 days on momondo