Cheap flights from Ireland to California from €302

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 15/6. 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.
KLM Logo
10:50 - 18:35
ORK
-
LAS
15h 45m
1 stop
KLM Logo
20:25 - 22:35
LAS
-
ORK
18h 10m
1 stop
€515KLM
Mon, 22 Jun - Mon, 29 Jun
KLM Logo
13:25 - 18:35
DUB
-
LAS
13h 10m
1 stop
KLM Logo
09:59 - 10:00
LAS
-
DUB
16h 01m
1 stop
€515KLM
Wed, 3 Jun - Tue, 9 Jun
British Airways Logo
08:35 - 23:01
DUB
-
LAS
22h 26m
2 stops
British Airways Logo
22:10 - 19:35
LAS
-
DUB
13h 25m
1 stop
€517British Airways
Tue, 16 Jun - Mon, 22 Jun
British Airways Logo
08:35 - 21:00
DUB
-
LAX
20h 25m
2 stops
British Airways Logo
17:05 - 19:30
LAX
-
DUB
18h 25m
1 stop
€518British Airways
Thu, 11 Jun - Sat, 20 Jun
American Airlines Logo
11:45 - 19:10
DUB
-
LAX
15h 25m
1 stop
American Airlines Logo
13:21 - 11:50
LAX
-
DUB
14h 29m
1 stop
€528American Airlines
Fri, 22 May - Tue, 2 Jun
Iberia Logo
12:40 - 19:56
DUB
-
ONT
15h 16m
1 stop
Iberia Logo
12:40 - 09:45
ONT
-
DUB
13h 05m
1 stop
€528Iberia
Wed, 27 May - Wed, 3 Jun
American Airlines Logo
11:45 - 22:02
DUB
-
ONT
42h 17m
2 stops
American Airlines Logo
22:00 - 09:35
ONT
-
DUB
27h 35m
1 stop
€529American Airlines
Fri, 5 Jun - Mon, 8 Jun
Aer Lingus Logo
12:50 - 15:50
DUB
-
SFO
11h 00mdirect
Aer Lingus Logo
17:40 - 11:45
SFO
-
DUB
10h 05mdirect
€533Aer Lingus
Thu, 28 May - Sat, 6 Jun
Aer Lingus Logo
12:50 - 15:50
DUB
-
SFO
11h 00mdirect
Aer Lingus Logo
17:35 - 11:45
SFO
-
DUB
10h 10mdirect
€538Aer Lingus
Fri, 29 May - Thu, 4 Jun
Iberia Logo
12:40 - 21:08
DUB
-
ONT
16h 28m
1 stop
Iberia Logo
06:00 - 07:15
ONT
-
DUB
18h 15m
1 stop
€560Iberia
Wed, 21 Oct - Sat, 31 Oct

JetBlue flights from Ireland to California

Our best JetBlue deals on Ireland to California flight tickets
JetBlue
28 Sept
DUB11:30Dublin
20h 23m
1 stop
LAX23:53Los Angeles
6 Oct
LAX07:59Los Angeles
17h 01m
1 stop
DUB09:00Dublin
€575
JetBlue
16 Jun
DUB11:30Dublin
15h 32m
1 stop
SAN19:02San Diego
23 Jun
SAN20:44San Diego
28h 16m
1 stop
DUB09:00Dublin
€582
JetBlue
23 May
DUB11:30Dublin
15h 37m
1 stop
SAN19:07San Diego
7 Jun
SAN11:03San Diego
13h 17m
1 stop
DUB08:20Dublin
€590

United Airlines flights from Ireland to California

Our best United Airlines deals on Ireland to California flight tickets
United Airlines
21 May
DUB09:20Dublin
21h 31m
2 stops
ONT22:51Ontario
25 May
ONT05:00Ontario
18h 30m
2 stops
DUB07:30Dublin
€738
United Airlines
23 May
SNN12:30Shannon
17h 21m
2 stops
LAX21:51Los Angeles
27 May
LAX07:30Los Angeles
16h 00m
2 stops
SNN07:30Shannon
€743

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 12 May 2026.
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

Cheapest return flight

CorkLas Vegas

ORK - LAS

ORKLAS

Cork

Mon 22/6

10:50-18:35

1 stop15h 45m

Las Vegas Harry Reid Intl

Mon 29/6

20:25-22:35

1 stop18h 10m

€515

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Wed 3/6

13:25-18:35

1 stop13h 10m

Las Vegas Harry Reid Intl

Tue 9/6

09:59-10:00

1 stop16h 01m

€515

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Tue 16/6

08:35-23:01

2 stops22h 26m

Las Vegas Harry Reid Intl

Mon 22/6

22:10-19:35

1 stop13h 25m

€517

DublinLos Angeles

DUB - LAX

DUBLAX

Dublin

Thu 11/6

08:35-21:00

2 stops20h 25m

Los Angeles

Sat 20/6

17:05-19:30

1 stop18h 25m

€518

DublinLos Angeles

DUB - LAX

DUBLAX

Dublin

Fri 22/5

11:45-19:10

1 stop15h 25m

Los Angeles

Tue 2/6

13:21-11:50

1 stop14h 29m

€528

DublinOntario

DUB - ONT

DUBONT

Dublin

Wed 27/5

12:40-19:56

1 stop15h 16m

Ontario

Wed 3/6

12:40-09:45

1 stop13h 05m

€528

DublinOntario

DUB - ONT

DUBONT

Dublin

Fri 5/6

11:45-22:02

2 stops42h 17m

Ontario

Mon 8/6

22:00-09:35

1 stop27h 35m

€529
Fastest return journey

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Thu 28/5

12:50-15:50

Nonstop11h 00m

San Francisco

Sat 6/6

17:40-11:45

Nonstop10h 05m

€533

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Fri 29/5

12:50-15:50

Nonstop11h 00m

San Francisco

Thu 4/6

17:35-11:45

Nonstop10h 10m

€538

DublinOntario

DUB - ONT

DUBONT

Dublin

Wed 21/10

12:40-21:08

1 stop16h 28m

Ontario

Sat 31/10

06:00-07:15

1 stop18h 15m

€560

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, October 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 €242. If you’re not able to fly to California in October, then March is your next best option. Flight prices from Ireland to California during March average around €341.

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 €542. 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 €776.

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 €612 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 €516 on momondo.

Can stopping save me money on Ireland to California flights?

You could potentially save up to 29% 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

€543

Fastest flight time

10h 35m

Direct flights

Every day

Airports in California

418 airports
The best flight deal from Ireland to California found on momondo in the last 72 hours is €543
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).

Frequently asked questions about flying from Ireland to California

  • 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
FinnairPriceFrom €391Free CancellationRating
7.6
1,393 reviews
Search Finnair flights
KLMPriceFrom €399Free CancellationRating
7.8
1,514 reviews
Search KLM flights
Aer LingusPriceFrom €439Free CancellationRating
7.3
1,553 reviews
Search Aer Lingus flights
British AirwaysPriceFrom €441Free CancellationRating
6.7
7,972 reviews
Search British Airways flights
American AirlinesPriceFrom €469Free CancellationRating
7.1
11,662 reviews
Search American Airlines flights
DeltaPriceFrom €475Free CancellationRating
7.9
8,447 reviews
Search Delta flights
IberiaPriceFrom €557Free CancellationRating
7.0
3,215 reviews
Search Iberia flights
United AirlinesPriceFrom €590Free CancellationRating
7.4
9,701 reviews
Search United Airlines flights
Air CanadaPriceFrom €630Free CancellationRating
7.1
11,017 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.

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1 adult
Thu 11/6
Thu 18/6

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