Cheap flights from Ireland to California from £254

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 29/1. 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.
Delta Logo
05:55 - 14:15DUB-LAS
16h 20m1 stop
Delta Logo
09:38 - 07:45LAS-DUB
14h 07m1 stop
£378Delta
Find Deal
Thu, 4 Dec - Thu, 18 Dec
Delta Logo
13:25 - 00:20DUB-LAS
18h 55m2 stops
Delta Logo
13:40 - 15:45LAS-DUB
18h 05m2 stops
£379Delta
Find Deal
Thu, 4 Dec - Tue, 9 Dec
American Airlines Logo
11:30 - 23:02DUB-LAS
19h 32m2 stops
American Airlines Logo
10:58 - 08:40LAS-DUB
13h 42m2 stops
£386American Airlines
Find Deal
Fri, 20 Feb - Tue, 24 Feb
Aer Lingus Logo
12:30 - 15:35DUB-SFO
11h 05mdirect
Aer Lingus Logo
17:20 - 11:25SFO-DUB
10h 05mdirect
£390Aer Lingus
Find Deal
Mon, 10 Nov - Fri, 14 Nov
Aer Lingus Logo
13:30 - 16:35DUB-SFO
11h 05mdirect
Aer Lingus Logo
17:20 - 11:25SFO-DUB
10h 05mdirect
£392Aer Lingus
Find Deal
Sun, 9 Nov - Wed, 12 Nov
American Airlines Logo
10:30 - 18:45DUB-SFO
16h 15m1 stop
American Airlines Logo
08:00 - 09:50SFO-DUB
17h 50m2 stops
£401American Airlines
Find Deal
Thu, 13 Nov - Mon, 8 Dec
British Airways Logo
08:50 - 16:00DUB-SFO
14h 10m1 stop
British Airways Logo
21:40 - 19:50SFO-DUB
15h 10m1 stop
£407British Airways
Find Deal
Fri, 20 Mar - Fri, 27 Mar
United Airlines Logo
10:40 - 18:17DUB-LAS
15h 37m1 stop
United Airlines Logo
07:05 - 08:10LAS-DUB
17h 05m1 stop
£489United Airlines
Find Deal
Sat, 7 Feb - Thu, 12 Feb
British Airways Logo
07:35 - 21:57DUB-LAS
22h 22m2 stops
British Airways Logo
16:56 - 19:05LAS-DUB
18h 09m2 stops
£492British Airways
Find Deal
Tue, 23 Dec - Sun, 28 Dec
United Airlines Logo
09:00 - 15:17DUB-LAX
14h 17m1 stop
United Airlines Logo
00:40 - 08:10LAX-DUB
23h 30m2 stops
£504United Airlines
Find Deal
Fri, 16 Jan - Mon, 19 Jan

Air France flights from Ireland to California

Our best Air France deals on Ireland to California flight tickets
Air France
20 Nov
DUB06:00Dublin
18h 01m
2 stops
LAX16:01Los Angeles
5 Dec
LAX08:25Los Angeles
16h 20m
2 stops
DUB08:45Dublin
Air France
3 Nov
DUB08:45Dublin
15h 20m
1 stop
LAX16:05Los Angeles
7 Nov
LAX15:25Los Angeles
16h 20m
1 stop
DUB15:45Dublin

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
LAS09:38Las Vegas Harry Reid Intl
14h 07m
1 stop
DUB07:45Dublin
Delta
4 Dec
DUB13:25Dublin
18h 55m
2 stops
LAS00:20Las Vegas Harry Reid Intl
9 Dec
LAS13:40Las Vegas Harry Reid Intl
18h 05m
2 stops
DUB15:45Dublin
Delta
4 Dec
DUB05:55Dublin
20h 22m
2 stops
LAS18:17Las Vegas Harry Reid Intl
18 Dec
LAS06:10Las Vegas Harry Reid Intl
17h 35m
2 stops
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 31 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

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Thu 4/12

05:55-14:15

1 stop16h 20m

Las Vegas Harry Reid Intl

Thu 18/12

09:38-07:45

1 stop14h 07m

£378

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Thu 4/12

13:25-00:20

2 stops18h 55m

Las Vegas Harry Reid Intl

Tue 9/12

13:40-15:45

2 stops18h 05m

£379

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Fri 20/2

11:30-23:02

2 stops19h 32m

Las Vegas Harry Reid Intl

Tue 24/2

10:58-08:40

2 stops13h 42m

£386

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Mon 10/11

12:30-15:35

Nonstop11h 05m

San Francisco

Fri 14/11

17:20-11:25

Nonstop10h 05m

£390

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Sun 9/11

13:30-16:35

Nonstop11h 05m

San Francisco

Wed 12/11

17:20-11:25

Nonstop10h 05m

£392

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Thu 13/11

10:30-18:45

1 stop16h 15m

San Francisco

Mon 8/12

08:00-09:50

2 stops17h 50m

£401

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Fri 20/3

08:50-16:00

1 stop14h 10m

San Francisco

Fri 27/3

21:40-19:50

1 stop15h 10m

£407

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Sat 7/2

10:40-18:17

1 stop15h 37m

Las Vegas Harry Reid Intl

Thu 12/2

07:05-08:10

1 stop17h 05m

£489

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Tue 23/12

07:35-21:57

2 stops22h 22m

Las Vegas Harry Reid Intl

Sun 28/12

16:56-19:05

2 stops18h 09m

£492

DublinLos Angeles

DUB - LAX

DUBLAX

Dublin

Fri 16/1

09:00-15:17

1 stop14h 17m

Los Angeles

Mon 19/1

00:40-08:10

2 stops23h 30m

£504

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?

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 £441.

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 £541. This is often the case because there is less demand to fly during this day of the week. On the other hand, Monday 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 £601.

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 £462. In contrast, the most expensive time of day to depart to California is in the evening when prices are around £579.

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 £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 £464 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 31% 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

£509

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 £509. The best return flight deal from Ireland to California found on momondo in the last 72 hours is £449.
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)
  • 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 £320Free CancellationRating
7.4
1,548 reviews
Search Scandinavian Airlines flights
British AirwaysPriceFrom £330Free CancellationRating
6.7
7,488 reviews
Search British Airways flights
KLMPriceFrom £332Free CancellationRating
7.7
1,406 reviews
Search KLM flights
IberiaPriceFrom £346Free CancellationRating
7.0
3,004 reviews
Search Iberia flights
Aer LingusPriceFrom £346Free CancellationRating
7.2
1,365 reviews
Search Aer Lingus flights
American AirlinesPriceFrom £365Free CancellationRating
7.2
11,034 reviews
Search American Airlines flights
LufthansaPriceFrom £403Free CancellationRating
6.8
7,542 reviews
Search Lufthansa flights
Air CanadaPriceFrom £414Free CancellationRating
7.1
10,383 reviews
Search Air Canada flights
Air FrancePriceFrom £421Free CancellationRating
7.4
1,482 reviews
Search Air France flights
United AirlinesPriceFrom £428Free CancellationRating
7.4
8,996 reviews
Search United Airlines 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.

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1 adult
Sun 30/11
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