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Cheap flights from Ireland to California from £277

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 28/4. 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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0 bags

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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.
British Airways Logo
08:55 - 22:37
DUB
-
LAS
21h 42m2 stops
British Airways Logo
12:00 - 14:20
LAS
-
DUB
18h 20m2 stops
£361British Airways
Sat, 24 Jan - Tue, 27 Jan
Delta Logo
08:50 - 14:15
DUB
-
LAS
13h 25m1 stop
Delta Logo
07:00 - 08:00
LAS
-
DUB
17h 00m2 stops
£362Delta
Thu, 15 Jan - Sat, 31 Jan
Scandinavian Airlines Logo
19:05 - 14:35
DUB
-
SFO
27h 30m1 stop
Scandinavian Airlines Logo
16:40 - 18:20
SFO
-
DUB
17h 40m1 stop
£384Scandinavian Airlines
Fri, 23 Jan - Mon, 26 Jan
Scandinavian Airlines Logo
11:30 - 14:35
DUB
-
SFO
35h 05m2 stops
Scandinavian Airlines Logo
16:40 - 18:20
SFO
-
DUB
17h 40m1 stop
£389Scandinavian Airlines
Fri, 23 Jan - Mon, 26 Jan
American Airlines Logo
11:30 - 22:49
DUB
-
SJC
19h 19m2 stops
American Airlines Logo
11:51 - 15:05
SJC
-
DUB
19h 14m2 stops
£433American Airlines
Sun, 1 Feb - Sun, 8 Feb
American Airlines Logo
11:30 - 22:48
DUB
-
ONT
19h 18m2 stops
American Airlines Logo
15:09 - 17:05
ONT
-
DUB
17h 56m2 stops
£457American Airlines
Mon, 2 Feb - Mon, 9 Feb
United Airlines Logo
09:00 - 20:58
DUB
-
ONT
19h 58m2 stops
United Airlines Logo
06:00 - 07:30
ONT
-
DUB
17h 30m2 stops
£520United Airlines
Sat, 24 Jan - Mon, 2 Feb
United Airlines Logo
09:00 - 18:41
DUB
-
SNA
17h 41m2 stops
United Airlines Logo
10:51 - 08:10
SNA
-
DUB
13h 19m1 stop
£520United Airlines
Sat, 17 Jan - Wed, 21 Jan
Aer Lingus Logo
11:35 - 19:16
DUB
-
SNA
15h 41m1 stop
Aer Lingus Logo
13:40 - 14:50
SNA
-
DUB
17h 10m2 stops
£623Aer Lingus
Fri, 10 Apr - Fri, 24 Apr
Aer Lingus Logo
11:35 - 19:16
DUB
-
SNA
15h 41m1 stop
Aer Lingus Logo
08:11 - 10:15
SNA
-
DUB
18h 04m1 stop
£639Aer Lingus
Fri, 10 Apr - Fri, 24 Apr

TAP AIR PORTUGAL flights from Ireland to California

Our best TAP AIR PORTUGAL deals on Ireland to California flight tickets
TAP AIR PORTUGAL
6 Apr
DUB18:50Dublin
27h 45m
1 stop
SFO14:35San Francisco
10 Apr
SFO20:20San Francisco
29h 40m
1 stop
DUB10:00Dublin
£392
Find similar
TAP AIR PORTUGAL
15 Jan
DUB04:25Dublin
19h 40m
1 stop
SFO16:05San Francisco
25 Mar
SFO17:35San Francisco
22h 45m
1 stop
DUB23:20Dublin
£413
Find similar
TAP AIR PORTUGAL
21 Jan
DUB04:25Dublin
18h 15m
1 stop
LAX14:40Los Angeles
5 Feb
LAX16:45Los Angeles
22h 35m
1 stop
DUB23:20Dublin
£419
Find similar

Aer Lingus flights from Ireland to California

Our best Aer Lingus deals on Ireland to California flight tickets
Aer Lingus
15 Jan
DUB15:15Dublin
10h 35m
LAS17:50Las Vegas Harry Reid Intl
19 Jan
LAS23:39Las Vegas Harry Reid Intl
20h 36m
1 stop
DUB04:15Dublin
£428
Find similar
Aer Lingus
12 Jan
DUB12:30Dublin
11h 05m
SFO15:35San Francisco
18 Jan
SFO18:20San Francisco
10h 05m
DUB12:25Dublin
£433
Find similar
Aer Lingus
5 Feb
DUB15:20Dublin
11h 10m
LAX18:30Los Angeles
13 Feb
LAX20:15Los Angeles
10h 15m
DUB14:30Dublin
£457
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 279,928 searches. Data last updated 20 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 24/1

08:55-22:37

2 stops21h 42m

Las Vegas Harry Reid Intl

Tue 27/1

12:00-14:20

2 stops18h 20m

£361

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Thu 15/1

08:50-14:15

1 stop13h 25m

Las Vegas Harry Reid Intl

Sat 31/1

07:00-08:00

2 stops17h 00m

£362

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Fri 23/1

19:05-14:35

1 stop27h 30m

San Francisco

Mon 26/1

16:40-18:20

1 stop17h 40m

£384

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Fri 23/1

11:30-14:35

2 stops35h 05m

San Francisco

Mon 26/1

16:40-18:20

1 stop17h 40m

£389

DublinSan Jose

DUB - SJC

DUBSJC

Dublin

Sun 1/2

11:30-22:49

2 stops19h 19m

San Jose

Sun 8/2

11:51-15:05

2 stops19h 14m

£433

DublinOntario

DUB - ONT

DUBONT

Dublin

Mon 2/2

11:30-22:48

2 stops19h 18m

Ontario

Mon 9/2

15:09-17:05

2 stops17h 56m

£457

DublinOntario

DUB - ONT

DUBONT

Dublin

Sat 24/1

09:00-20:58

2 stops19h 58m

Ontario

Mon 2/2

06:00-07:30

2 stops17h 30m

£520

DublinSanta Ana

DUB - SNA

DUBSNA

Dublin

Sat 17/1

09:00-18:41

2 stops17h 41m

Santa Ana J. Wayne/Orange Cnty

Wed 21/1

10:51-08:10

1 stop13h 19m

£520

DublinSanta Ana

DUB - SNA

DUBSNA

Dublin

Fri 10/4

11:35-19:16

1 stop15h 41m

Santa Ana J. Wayne/Orange Cnty

Fri 24/4

13:40-14:50

2 stops17h 10m

£623

DublinSanta Ana

DUB - SNA

DUBSNA

Dublin

Fri 10/4

11:35-19:16

1 stop15h 41m

Santa Ana J. Wayne/Orange Cnty

Fri 24/4

08:11-10:15

1 stop18h 04m

£639

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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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 October is also very affordable. Most momondo users find prices during this month for around £439.

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 £538. 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 £588.

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 £455. In contrast, the most expensive time of day to depart to California is in the evening when prices are around £570.

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 £511 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 £472 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?

No. A direct flight is the cheapest option for a flight between Ireland to California.

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

£259

Fastest flight time

10h 35m

Direct flights

Every day

Airports in California

418 airports
The best one-way flight to California from Ireland in the past 72 hours is £259. The best return flight deal from Ireland to California found on momondo in the last 72 hours is £534.
The fastest flight from Ireland to California takes 10h 35m
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 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 £316Free CancellationRating
7.4
1,618 reviews
Search Scandinavian Airlines flights
British AirwaysPriceFrom £321Free CancellationRating
6.7
7,600 reviews
Search British Airways flights
KLMPriceFrom £327Free CancellationRating
7.7
1,429 reviews
Search KLM flights
IberiaPriceFrom £341Free CancellationRating
7.0
3,055 reviews
Search Iberia flights
Aer LingusPriceFrom £351Free CancellationRating
7.2
1,406 reviews
Search Aer Lingus flights
American AirlinesPriceFrom £360Free CancellationRating
7.2
11,050 reviews
Search American Airlines flights
LufthansaPriceFrom £397Free CancellationRating
6.8
7,639 reviews
Search Lufthansa flights
Air CanadaPriceFrom £408Free CancellationRating
7.1
10,549 reviews
Search Air Canada flights
Air FrancePriceFrom £415Free CancellationRating
7.4
1,509 reviews
Search Air France flights
United AirlinesPriceFrom £440Free CancellationRating
7.4
9,100 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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