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

The number of flights available between California and Ireland is 39 per week as of August 2025. The most frequent departure day is Mon, with 15% of weekly flights leaving on this day.

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

WestJet is the most popular carrier operating from California to Ireland

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

5 flights are operational daily from California to Ireland as of August 2025. The most popular departure time for this route is 17:00, with 53% of flights per day taking off in the afternoon.

How long is the flight from California to Ireland?

On average, it takes 10h 05m 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 10m.

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 August 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.

€169 Cheap Flights from California to Ireland in 2025

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

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from California to Ireland

Round-trip

One-way

Last minute

Direct

Cheap return flights

16:40 - 18:05LAX-DUB

17h 25m1 stop

17:05 - 16:00DUB-LAX

29h 55m1 stop

€376TAP AIR PORTUGAL

Find Deal

Sun, 19 Oct - Mon, 27 Oct

16:40 - 23:55LAX-DUB

23h 15m1 stop

16:55 - 16:00DUB-LAX

30h 05m1 stop

€377TAP AIR PORTUGAL

Find Deal

Tue, 14 Oct - Wed, 29 Oct

17:20 - 11:25SFO-DUB

10h 05mdirect

12:30 - 15:35DUB-SFO

11h 05mdirect

€394Aer Lingus

Find Deal

Wed, 19 Nov - Wed, 3 Dec

17:20 - 11:25SFO-DUB

10h 05mdirect

12:30 - 15:35DUB-SFO

11h 05mdirect

€394Aer Lingus

Find Deal

Wed, 19 Nov - Wed, 3 Dec

06:30 - 09:45SJC-DUB

19h 15m1 stop

09:00 - 13:42DUB-SJC

36h 42m2 stops

€396United Airlines

Find Deal

Sun, 19 Oct - Fri, 7 Nov

07:00 - 08:10ONT-DUB

17h 10m1 stop

09:00 - 12:32DUB-ONT

35h 32m2 stops

€396United Airlines

Find Deal

Tue, 18 Nov - Wed, 26 Nov

19:30 - 11:50LAX-DUB

32h 20m1 stop

18:55 - 18:00DUB-LAX

30h 05m2 stops

€397Scandinavian Airlines

Find Deal

Wed, 22 Oct - Fri, 31 Oct

19:30 - 18:10LAX-DUB

38h 40m2 stops

11:30 - 17:00DUB-LAX

37h 30m2 stops

€398Scandinavian Airlines

Find Deal

Wed, 12 Nov - Wed, 19 Nov

08:40 - 08:15SFO-DUB

15h 35m1 stop

05:55 - 12:40DUB-SFO

14h 45m1 stop

€400

Find Deal

Tue, 12 Aug - Tue, 26 Aug

13:55 - 08:15SFO-DUB

34h 20m1 stop

18:40 - 16:10DUB-SFO

29h 30m1 stop

€404

Find Deal

Sat, 16 Aug - Mon, 25 Aug

KLM flights from California to Ireland

Our best KLM deals on California to Ireland flight tickets

KLM

3 Dec

SNA06:45Santa Ana J. Wayne/Orange Cnty

17h 00m

1 stop

DUB07:45Dublin

9 Dec

DUB09:45Dublin

18h 54m

1 stop

SNA20:39Santa Ana J. Wayne/Orange Cnty

€420

Find similar

KLM

25 Aug

LGB07:01Long Beach Municipal

17h 44m

2 stops

DUB08:45Dublin

10 Sept

DUB10:00Dublin

19h 43m

2 stops

LGB21:43Long Beach Municipal

€504

Find similar

KLM

23 Oct

ONT11:36Ontario

13h 09m

1 stop

DUB08:45Dublin

31 Oct

DUB09:45Dublin

16h 34m

1 stop

ONT19:19Ontario

€521

Find similar

United Airlines flights from California to Ireland

Our best United Airlines deals on California to Ireland flight tickets

United Airlines

10 Aug

ONT13:19Ontario

37h 51m

2 stops

DUB11:10Dublin

26 Aug

DUB08:50Dublin

19h 43m

2 stops

ONT20:33Ontario

€387

Find similar

United Airlines

10 Aug

LAX11:50Los Angeles

12h 25m

1 stop

DUB08:15Dublin

26 Aug

DUB12:30Dublin

15h 42m

1 stop

LAX20:12Los Angeles

€394

Find similar

United Airlines

19 Oct

SJC06:30San Jose

19h 15m

1 stop

DUB09:45Dublin

7 Nov

DUB09:00Dublin

36h 42m

2 stops

SJC13:42San Jose

€396

Find similar

Fly from

Fly to

Route

Depart

Return

Price

Los AngelesDublin

LAX - DUB

LAXDUB

Los Angeles

Sun 19/10

16:40-18:05

1 stop17h 25m

Dublin

Mon 27/10

17:05-16:00

1 stop29h 55m

€376

Los AngelesDublin

LAX - DUB

LAXDUB

Los Angeles

Tue 14/10

16:40-23:55

1 stop23h 15m

Dublin

Wed 29/10

16:55-16:00

1 stop30h 05m

€377

San FranciscoDublin

SFO - DUB

SFODUB

San Francisco

Wed 19/11

17:20-11:25

Nonstop10h 05m

Dublin

Wed 3/12

12:30-15:35

Nonstop11h 05m

€394

San FranciscoDublin

SFO - DUB

SFODUB

San Francisco

Wed 19/11

17:20-11:25

Nonstop10h 05m

Dublin

Wed 3/12

12:30-15:35

Nonstop11h 05m

€394

San JoseDublin

SJC - DUB

SJCDUB

San Jose

Sun 19/10

06:30-09:45

1 stop19h 15m

Dublin

Fri 7/11

09:00-13:42

2 stops36h 42m

€396

OntarioDublin

ONT - DUB

ONTDUB

Ontario

Tue 18/11

07:00-08:10

1 stop17h 10m

Dublin

Wed 26/11

09:00-12:32

2 stops35h 32m

€396

Los AngelesDublin

LAX - DUB

LAXDUB

Los Angeles

Wed 22/10

19:30-11:50

1 stop32h 20m

Dublin

Fri 31/10

18:55-18:00

2 stops30h 05m

€397

Los AngelesDublin

LAX - DUB

LAXDUB

Los Angeles

Wed 12/11

19:30-18:10

2 stops38h 40m

Dublin

Wed 19/11

11:30-17:00

2 stops37h 30m

€398

San FranciscoDublin

SFO - DUB

SFODUB

San Francisco

Tue 12/8

08:40-08:15

1 stop15h 35m

Dublin

Tue 26/8

05:55-12:40

1 stop14h 45m

€400

San FranciscoDublin

SFO - DUB

SFODUB

San Francisco

Sat 16/8

13:55-08:15

1 stop34h 20m

Dublin

Mon 25/8

18:40-16:10

1 stop29h 30m

€404

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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 €475.

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 €430. 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 Sunday because tickets tend to average around €902. 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 €359. 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 €526.

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 €621 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 €556 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 23% 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	€169
Fastest flight time	10h 05m
Direct flights	Every day
Airports in Ireland	1 airport

The best one-way flight to Ireland from California in the past 72 hours is €169. The best return flight deal from California to Ireland found on momondo in the last 72 hours is €376.

The fastest flight from California to Ireland takes 10h 05m

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 August 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 27.46% of all bookings. The subsequent popular models are Airbus A330 at 21.59%, Boeing 777 at 9.38%, and Boeing 777-300ER at 8.64%.

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 €381	Free Cancellation	Rating 7.1 1,193 reviews		Search Aer Lingus flights
American Airlines	PriceFrom €664	Free Cancellation	Rating 7.2 10,000 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.

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 7/8

Thu 14/8

Email me momondo's favourite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Ireland

Popular Cities in Ireland

Flights to Dublinfrom €40

Flights to Corkfrom €116

Flights to Shannon, Clarefrom €106

Flights to Donegalfrom €103

Flights to Milltown (Kerry)from €40

Cheap flights from California to Ireland from €169

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 21/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names, great deals

Big names, great deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from California to Ireland

Cheap return flights

Cheap one-way flights

Cheap last-minute flights

Cheap direct flights

KLM flights from California to Ireland

Our best KLM deals on California to Ireland flight tickets

United Airlines flights from California to Ireland

Our best United Airlines deals on California to Ireland flight tickets

momondo Fare Finder

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 €475.

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 23% on your flight if you consider stops on a California to Ireland flight.

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

WestJet is the most popular carrier operating from California to Ireland

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

5 flights are operational daily from California to Ireland as of August 2025. The most popular departure time for this route is 17:00, with 53% of flights per day taking off in the afternoon.

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

The number of flights available between California and Ireland is 39 per week as of August 2025. The most frequent departure day is Mon, with 15% of weekly flights leaving on this day.

How long is the flight from California to Ireland?

On average, it takes 10h 05m 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 10m.

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