What is the cheapest airline that flies from California to Ireland?

Scandinavian Airlines, JetBlue, and Aer Lingus are the most popular carriers operating from California to Ireland

How many flights depart from California to Ireland on average per day?

2 flights are operational daily from California to Ireland as of November 2025. The most popular departure time for this route is 21:00, with 76% of flights per day taking off in the evening.

How long is the flight from California to Ireland?

On average, it takes 10h to fly from California to Ireland if you fly out of San Francisco (the most popular airport in California) and into Dublin (the most popular airport in Ireland). If you’re flying out of Los Angeles and into Dublin, then the flight time is around 10h 15m.

How many flights depart from California to Ireland on average per week?

The number of flights available between California and Ireland is 18 per week as of November 2025. The most frequent departure day is Sat, with 61% of weekly flights leaving on this day.

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

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

How many operators does momondo search for flights from California to Ireland?

There is 1 operator available for flights from California to Ireland as of November 2025.

How old do you have to be to fly from California to Ireland?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from California to Ireland.

What documentation or ID do you need to fly to Ireland?

The travel and health documents required for your trip to Ireland 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 Ireland. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

€198 Cheap Flights from California to Ireland in 2025/26

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18:00 - 19:40SAN-DUB

17h 40m1 stop

08:50 - 16:10DUB-SAN

15h 20m1 stop

€353British Airways

Find Deal

Tue, 3 Feb - Wed, 11 Feb

09:24 - 09:35SAN-DUB

16h 11m2 stops

08:50 - 16:10DUB-SAN

15h 20m1 stop

€357British Airways

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Tue, 3 Feb - Wed, 11 Feb

18:00 - 17:45SAN-DUB

15h 45m1 stop

06:40 - 17:10DUB-SAN

17h 30m1 stop

€361American Airlines

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Sun, 1 Mar - Tue, 10 Mar

09:30 - 08:40SAN-DUB

15h 10m1 stop

11:30 - 21:44DUB-SAN

18h 14m1 stop

€372Iberia

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Tue, 11 Nov - Wed, 19 Nov

08:25 - 07:15SAN-DUB

14h 50m1 stop

18:05 - 19:12DUB-SAN

33h 07m2 stops

€373Multiple Airlines

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Tue, 6 Jan - Tue, 13 Jan

09:30 - 08:40SAN-DUB

15h 10m1 stop

07:35 - 16:10DUB-SAN

16h 35m1 stop

€374American Airlines

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Tue, 11 Nov - Wed, 19 Nov

07:00 - 08:45SAN-DUB

17h 45m1 stop

10:45 - 21:07DUB-SAN

18h 22m1 stop

€375Delta

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Sun, 18 Jan - Tue, 10 Feb

07:50 - 07:45SAN-DUB

15h 55m1 stop

09:45 - 18:18DUB-SAN

16h 33m1 stop

€376Delta

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Tue, 2 Dec - Wed, 10 Dec

07:10 - 08:05SAN-DUB

16h 55m2 stops

11:30 - 20:59DUB-SAN

17h 29m1 stop

€403Multiple Airlines

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Wed, 3 Dec - Wed, 17 Dec

07:03 - 07:10ONT-DUB

16h 07m1 stop

12:55 - 22:28DUB-ONT

17h 33m1 stop

€565Iberia

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Thu, 11 Dec - Mon, 15 Dec

British Airways flights from California to Ireland

Our best British Airways deals on California to Ireland flight tickets

British Airways

3 Feb

SAN18:00San Diego

17h 40m

1 stop

DUB19:40Dublin

11 Feb

DUB08:50Dublin

15h 20m

1 stop

SAN16:10San Diego

€353

Find similar

British Airways

3 Feb

SAN09:24San Diego

16h 11m

2 stops

DUB09:35Dublin

11 Feb

DUB08:50Dublin

15h 20m

1 stop

SAN16:10San Diego

€357

Find similar

British Airways

13 Jan

SAN18:00San Diego

17h 40m

1 stop

DUB19:40Dublin

20 Jan

DUB08:50Dublin

15h 20m

1 stop

SAN16:10San Diego

€358

Find similar

American Airlines flights from California to Ireland

Our best American Airlines deals on California to Ireland flight tickets

American Airlines

1 Mar

SAN18:00San Diego

15h 45m

1 stop

DUB17:45Dublin

10 Mar

DUB06:40Dublin

17h 30m

1 stop

SAN17:10San Diego

€361

Find similar

American Airlines

11 Nov

SAN09:30San Diego

15h 10m

1 stop

DUB08:40Dublin

19 Nov

DUB07:35Dublin

16h 35m

1 stop

SAN16:10San Diego

€374

Find similar

American Airlines

12 Jan

LAS20:55Las Vegas Harry Reid Intl

12h 50m

1 stop

DUB17:45Dublin

20 Jan

DUB08:45Dublin

18h 05m

1 stop

LAS18:50Las Vegas Harry Reid Intl

€577

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Fly from

Fly to

Route

Depart

Return

Price

San DiegoDublin

SAN - DUB

SANDUB

San Diego

Tue 3/2

18:00-19:40

1 stop17h 40m

Dublin

Wed 11/2

08:50-16:10

1 stop15h 20m

€353

San DiegoDublin

SAN - DUB

SANDUB

San Diego

Tue 3/2

09:24-09:35

2 stops16h 11m

Dublin

Wed 11/2

08:50-16:10

1 stop15h 20m

€357

San DiegoDublin

SAN - DUB

SANDUB

San Diego

Sun 1/3

18:00-17:45

1 stop15h 45m

Dublin

Tue 10/3

06:40-17:10

1 stop17h 30m

€361

San DiegoDublin

SAN - DUB

SANDUB

San Diego

Tue 11/11

09:30-08:40

1 stop15h 10m

Dublin

Wed 19/11

11:30-21:44

1 stop18h 14m

€372

San DiegoDublin

SAN - DUB

SANDUB

San Diego

Tue 6/1

08:25-07:15

1 stop14h 50m

Dublin

Tue 13/1

18:05-19:12

2 stops33h 07m

€373

San DiegoDublin

SAN - DUB

SANDUB

San Diego

Tue 11/11

09:30-08:40

1 stop15h 10m

Dublin

Wed 19/11

07:35-16:10

1 stop16h 35m

€374

San DiegoDublin

SAN - DUB

SANDUB

San Diego

Sun 18/1

07:00-08:45

1 stop17h 45m

Dublin

Tue 10/2

10:45-21:07

1 stop18h 22m

€375

San DiegoDublin

SAN - DUB

SANDUB

San Diego

Tue 2/12

07:50-07:45

1 stop15h 55m

Dublin

Wed 10/12

09:45-18:18

1 stop16h 33m

€376

San DiegoDublin

SAN - DUB

SANDUB

San Diego

Wed 3/12

07:10-08:05

2 stops16h 55m

Dublin

Wed 17/12

11:30-20:59

1 stop17h 29m

€403

OntarioDublin

ONT - DUB

ONTDUB

Ontario

Thu 11/12

07:03-07:10

1 stop16h 07m

Dublin

Mon 15/12

12:55-22:28

1 stop17h 33m

€565

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How to get the cheapest flight ticket from California to Ireland

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

Prices

Airlines

Other information

What is the cheapest month to fly to Ireland?

The month of February is another great option to travel to Ireland, with average flight prices from California averaging around €490.

What is the cheapest day to depart on your flight to Ireland?

The cheapest day to depart on your flight to Ireland is on a Friday when prices can be found for as low as €428. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Tuesday because tickets tend to average around €589. These prices are subject to change though, so be sure to set up a Price Alert for flights to Ireland.

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

At midday is the cheapest time of day to fly from California to Ireland when you can find flight prices for as low as €357. Flying to Ireland at midday is an ideal time because this is during off-peak travel hours. In contrast, the most expensive time of day to depart to Ireland is in the evening when prices are around €524.

What is the cheapest California to Ireland flight route?

Fly from Los Angeles to Dublin for the best California - Ireland flight prices

How far in advance should I book a flight to Ireland?

You are more likely to see cheaper flights to Ireland from California when booking weeks ahead of your departure date. In general, you can expect to find flights to Ireland for around €623 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ireland from California for as low as €554 on momondo.

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

There are 2 cabin classes available to choose from on California to Ireland 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 California to Ireland flights?

You could potentially save up to 14% on your flight if you consider stops on a California to Ireland flight.

Cheap California to Ireland flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from California to Ireland

Best price found	€640
Fastest flight time	9h 45m
Direct flights	Every day
Airports in Ireland	1 airport

The best flight deal from California to Ireland found on momondo in the last 72 hours is €640

The fastest flight from California to Ireland takes 9h 45m

Direct flights go from California to Ireland every day.

There is 1 airport near Ireland: Dublin (DUB)

Search flight deals

When did momondo last update prices for flights from California to Ireland?
Prices for flights from California to Ireland are refreshed on a daily basis.
How many operators does momondo search for flights from California to Ireland?
There is 1 operator available for flights from California to Ireland as of November 2025.
How old do you have to be to fly from California to Ireland?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from California to Ireland.
What documentation or ID do you need to fly to Ireland?
The travel and health documents required for your trip to Ireland 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 Ireland. 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 California to Ireland?
momondo data reveals that the most frequently booked plane model on the route from California to Ireland is Airbus A330-300, representing 23.43% of all bookings. The subsequent popular models are Airbus A330 at 15.62%, Airbus A330-200 at 13.00%, and Boeing 777-300ER at 11.98%.

Best airlines flying from California to Ireland

Compare and see reviews for airlines that fly from California to Ireland with momondo

Airline	Rating	Free Cancellation	Price
Aer Lingus	PriceFrom €426	Free Cancellation	Rating 7.2 1,365 reviews		Search Aer Lingus flights
American Airlines	PriceFrom €661	Free Cancellation	Rating 7.2 11,032 reviews		Search American Airlines flights

Why use momondo?

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

It is quick and easy to find California to Ireland 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 Ireland that suits you.

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

Yes. All flights to Ireland from California on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

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

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

Yes. momondo can track prices for California to Ireland flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Ireland 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.

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Find better results for your trip to Ireland

Popular Cities in Ireland

Flights to Dublinfrom €40

Flights to Corkfrom €114

Flights to Shannon, Clarefrom €120

Flights to Donegalfrom €219

Flights to Milltown (Kerry)from €40

Cheap flights from California to Ireland from €198

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from California to Ireland departing on 12/1. 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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Big names, great deals

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Filter for what you want

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Find the cheapest flights from California to Ireland

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British Airways flights from California to Ireland

Our best British Airways deals on California to Ireland flight tickets

American Airlines flights from California to Ireland

Our best American Airlines deals on California to Ireland flight tickets

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Use the filters below to find and compare flights from California to Ireland that are best for you.

See travel insights to Ireland from

How to get the cheapest flight ticket from California to Ireland

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 Ireland?

The month of February is another great option to travel to Ireland, with average flight prices from California averaging around €490.

What is the cheapest day to depart on your flight to Ireland?

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

What is the cheapest California to Ireland flight route?

Fly from Los Angeles to Dublin for the best California - Ireland flight prices

How far in advance should I book a flight to Ireland?

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

There are 2 cabin classes available to choose from on California to Ireland 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 California to Ireland flights?

You could potentially save up to 14% on your flight if you consider stops on a California to Ireland flight.

What is the cheapest airline that flies from California to Ireland?

Scandinavian Airlines, JetBlue, and Aer Lingus are the most popular carriers operating from California to Ireland

How many flights depart from California to Ireland on average per day?

2 flights are operational daily from California to Ireland as of November 2025. The most popular departure time for this route is 21:00, with 76% of flights per day taking off in the evening.

How many flights depart from California to Ireland on average per week?

The number of flights available between California and Ireland is 18 per week as of November 2025. The most frequent departure day is Sat, with 61% of weekly flights leaving on this day.

How long is the flight from California to Ireland?

On average, it takes 10h to fly from California to Ireland if you fly out of San Francisco (the most popular airport in California) and into Dublin (the most popular airport in Ireland). If you’re flying out of Los Angeles and into Dublin, then the flight time is around 10h 15m.

Cheap California to Ireland flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from California to Ireland

Best price found

Fastest flight time

Direct flights

Airports in Ireland

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

How many operators does momondo search for flights from California to Ireland?

How old do you have to be to fly from California to Ireland?

What documentation or ID do you need to fly to Ireland?

What is the most popular plane model from California to Ireland?

Best airlines flying from California to Ireland

Compare and see reviews for airlines that fly from California to Ireland with momondo

Why use momondo?

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

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

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

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

An easier way to manage your Ireland 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.

Find better results for your trip to Ireland

Popular Cities in Ireland

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