Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Ireland to California from €249

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 3/5. 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.
British Airways Logo
17:55 - 20:01
DUB
-
LAS
34h 06m2 stops
British Airways Logo
11:37 - 14:15
LAS
-
DUB
18h 38m2 stops
€412British Airways
Sat, 17 Jan - Sat, 31 Jan
British Airways Logo
08:50 - 20:01
DUB
-
LAS
19h 11m2 stops
British Airways Logo
14:08 - 14:20
LAS
-
DUB
16h 12m2 stops
€413British Airways
Thu, 15 Jan - Fri, 30 Jan
Aer Lingus Logo
15:15 - 17:50
DUB
-
LAS
10h 35mdirect
Aer Lingus Logo
19:35 - 13:20
LAS
-
DUB
9h 45mdirect
€418Aer Lingus
Sat, 17 Jan - Sat, 24 Jan
American Airlines Logo
13:10 - 18:50
DUB
-
LAS
13h 40m1 stop
American Airlines Logo
10:42 - 08:40
LAS
-
DUB
13h 58m1 stop
€421American Airlines
Thu, 15 Jan - Sat, 24 Jan
Aer Lingus Logo
15:15 - 17:50
DUB
-
LAS
10h 35mdirect
Aer Lingus Logo
19:35 - 13:20
LAS
-
DUB
9h 45mdirect
€423Aer Lingus
Thu, 15 Jan - Sat, 31 Jan
American Airlines Logo
10:20 - 10:11
DUB
-
SJC
31h 51m2 stops
American Airlines Logo
14:26 - 17:00
SJC
-
DUB
18h 34m2 stops
€479American Airlines
Wed, 11 Feb - Fri, 20 Feb
Delta Logo
06:00 - 20:49
ORK
-
LAS
22h 49m2 stops
Delta Logo
09:40 - 12:55
LAS
-
ORK
19h 15m2 stops
€525Delta
Thu, 15 Jan - Tue, 20 Jan
Delta Logo
06:00 - 00:40
ORK
-
LAS
26h 40m2 stops
Delta Logo
06:05 - 15:00
LAS
-
ORK
24h 55m2 stops
€541Delta
Fri, 30 Jan - Fri, 6 Feb
United Airlines Logo
09:00 - 22:57
DUB
-
ONT
21h 57m2 stops
United Airlines Logo
23:59 - 08:10
ONT
-
DUB
25h 11m1 stop
€594United Airlines
Wed, 4 Mar - Sun, 8 Mar
United Airlines Logo
09:00 - 22:30
DUB
-
SNA
21h 30m2 stops
United Airlines Logo
07:01 - 08:10
SNA
-
DUB
17h 09m2 stops
€594United Airlines
Fri, 27 Feb - Mon, 2 Mar

Scandinavian Airlines flights from Ireland to California

Our best Scandinavian Airlines deals on Ireland to California flight tickets
Scandinavian Airlines
21 Jan
DUB12:30Dublin
34h 05m
1 stop
SFO14:35San Francisco
25 Jan
SFO16:40San Francisco
34h 05m
2 stops
DUB10:45Dublin
€422
Find similar
Scandinavian Airlines
5 Mar
DUB11:30Dublin
35h 05m
2 stops
SFO14:35San Francisco
9 Mar
SFO17:40San Francisco
17h 40m
1 stop
DUB18:20Dublin
€424
Find similar
Scandinavian Airlines
15 Jan
DUB11:30Dublin
35h 05m
2 stops
SFO14:35San Francisco
22 Jan
SFO16:40San Francisco
32h 45m
1 stop
DUB09:25Dublin
€426
Find similar

Delta flights from Ireland to California

Our best Delta deals on Ireland to California flight tickets
Delta
15 Jan
DUB08:50Dublin
13h 25m
1 stop
LAS14:15Las Vegas Harry Reid Intl
31 Jan
LAS11:56Las Vegas Harry Reid Intl
12h 49m
1 stop
DUB08:45Dublin
€432
Find similar
Delta
15 Jan
DUB05:55Dublin
22h 54m
2 stops
LAS20:49Las Vegas Harry Reid Intl
31 Jan
LAS07:00Las Vegas Harry Reid Intl
17h 00m
2 stops
DUB08:00Dublin
€433
Find similar
Delta
20 Jan
DUB05:55Dublin
19h 46m
2 stops
LAS17:41Las Vegas Harry Reid Intl
13 Feb
LAS23:40Las Vegas Harry Reid Intl
25h 05m
2 stops
DUB08:45Dublin
€436
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 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 17/1

17:55-20:01

2 stops34h 06m

Las Vegas Harry Reid Intl

Sat 31/1

11:37-14:15

2 stops18h 38m

€412

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Thu 15/1

08:50-20:01

2 stops19h 11m

Las Vegas Harry Reid Intl

Fri 30/1

14:08-14:20

2 stops16h 12m

€413

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Sat 17/1

15:15-17:50

Nonstop10h 35m

Las Vegas Harry Reid Intl

Sat 24/1

19:35-13:20

Nonstop9h 45m

€418

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Thu 15/1

13:10-18:50

1 stop13h 40m

Las Vegas Harry Reid Intl

Sat 24/1

10:42-08:40

1 stop13h 58m

€421

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Thu 15/1

15:15-17:50

Nonstop10h 35m

Las Vegas Harry Reid Intl

Sat 31/1

19:35-13:20

Nonstop9h 45m

€423

DublinSan Jose

DUB - SJC

DUBSJC

Dublin

Wed 11/2

10:20-10:11

2 stops31h 51m

San Jose

Fri 20/2

14:26-17:00

2 stops18h 34m

€479

CorkLas Vegas

ORK - LAS

ORKLAS

Cork

Thu 15/1

06:00-20:49

2 stops22h 49m

Las Vegas Harry Reid Intl

Tue 20/1

09:40-12:55

2 stops19h 15m

€525

CorkLas Vegas

ORK - LAS

ORKLAS

Cork

Fri 30/1

06:00-00:40

2 stops26h 40m

Las Vegas Harry Reid Intl

Fri 6/2

06:05-15:00

2 stops24h 55m

€541

DublinOntario

DUB - ONT

DUBONT

Dublin

Wed 4/3

09:00-22:57

2 stops21h 57m

Ontario

Sun 8/3

23:59-08:10

1 stop25h 11m

€594

DublinSanta Ana

DUB - SNA

DUBSNA

Dublin

Fri 27/2

09:00-22:30

2 stops21h 30m

Santa Ana J. Wayne/Orange Cnty

Mon 2/3

07:01-08:10

2 stops17h 09m

€594

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 €417. 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 €500.

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 €548. 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 Tuesday, with ticket prices averaging around €897.

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 €543. 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 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 €582 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 €538 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

€576

Fastest flight time

10h 30m

Direct flights

Every day

Airports in California

418 airports
The best one-way flight to California from Ireland in the past 72 hours is €576. The best return flight deal from Ireland to California found on momondo in the last 72 hours is €454.
The fastest flight from Ireland to California takes 10h 30m
Direct flights go from Ireland to California every day.
There are 418 airports in California. From Ireland there are direct flights to 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 €295Free CancellationRating
7.9
8,008 reviews
Search Delta flights
British AirwaysPriceFrom €385Free CancellationRating
6.7
7,583 reviews
Search British Airways flights
Aer LingusPriceFrom €436Free CancellationRating
7.2
1,395 reviews
Search Aer Lingus flights
American AirlinesPriceFrom €470Free CancellationRating
7.2
11,049 reviews
Search American Airlines flights
United AirlinesPriceFrom €501Free CancellationRating
7.4
9,092 reviews
Search United Airlines flights
Air CanadaPriceFrom €585Free CancellationRating
7.1
10,531 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
Thu 15/1
Thu 22/1
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 €269
Flights to Orlandofrom €379
Flights to Chicagofrom €341
Flights to Miamifrom €391
Flights to Los Angelesfrom €433
Flights to Bostonfrom €325
Flights to San Franciscofrom €375
Flights to Las Vegasfrom €384
Flights to Anchoragefrom €837
Flights to Washington, D.C.from €361
Flights to Denverfrom €549
Flights to Dallasfrom €425