How popular is this Ireland to California flight route?

The Ireland to California flight path was viewed by 314 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

How long is the flight from Ireland to California?

For as low as £364, KLM can have you in California from Ireland in 18h 17m. The distance between Ireland and California is about 4938 mi. Both multi-stop and direct flights can be found to your destination and back.

In terms of precipitation, rainfall in California ranges from 0.0 - 87.0 inches per month. February is typically the wettest month, when rainfall can reach 87.0 mm. July is typically the driest time to visit California when rainfall is around 0.0 mm.

If weather is an important factor for your trip to California, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 14.0 C).

Can I find deals for flights from Ireland to California that include hotel bookings?

Yes. In addition to deals on Ireland to California flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Ireland to California?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ireland to California.

Can I find deals for business class flights from Ireland to California?

Yes. Cheapflights offers flight deals from Ireland to California by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£205+ Flights from Ireland to California

Cheap flight deals from Ireland to California

Enter your travel dates to find the best prices.

Cheapest flights from Ireland to California
Explore the most affordable flight options available from Ireland to California. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 December 2025.

Fri 26/1211:30DUB - LAS

1 stop16h 05mMultiple Airlines

Tue 30/1210:51LAS - DUB

1 stop12h 24mMultiple Airlines

Deal found 10/12£468

Wed 24/1213:00DUB - LAS

1 stop14h 48mMultiple Airlines

Thu 1/108:05LAS - DUB

1 stop15h 05mMultiple Airlines

Deal found 11/12£469

Tue 23/1210:40DUB - LAS

1 stop15h 28mLufthansa

Sun 28/1207:00LAS - DUB

1 stop17h 10mLufthansa

Deal found 10/12£486

Tue 23/1208:50DUB - SFO

1 stop35h 00mMultiple Airlines

Sun 11/115:40SFO - DUB

1 stop23h 15mMultiple Airlines

Deal found 10/12£492

Sun 21/1217:15DUB - SFO

1 stop26h 35mMultiple Airlines

Tue 6/115:40SFO - DUB

1 stop16h 05mMultiple Airlines

Deal found 10/12£493

Fri 26/1217:15DUB - SFO

1 stop26h 35mMultiple Airlines

Fri 9/115:40SFO - DUB

1 stop32h 10mMultiple Airlines

Deal found 11/12£494

Tue 23/1211:30DUB - LAS

2 stops17h 29mMultiple Airlines

Sun 28/1208:05LAS - DUB

1 stop15h 05mMultiple Airlines

Deal found 10/12£496

Fri 26/1213:25DUB - SFO

1 stop30h 25mDelta

Fri 9/113:55SFO - DUB

1 stop18h 25mDelta

Deal found 11/12£497

Wed 24/1206:00DUB - SFO

2 stops25h 01mDelta

Sun 11/115:40SFO - DUB

1 stop16h 05mDelta

Deal found 10/12£500

Tue 23/1210:40DUB - LAS

2 stops19h 00mUnited Airlines

Sun 28/1206:00LAS - DUB

2 stops18h 10mUnited Airlines

Deal found 10/12£512

Wed 24/1205:55DUB - LAX

2 stops23h 01mDelta

Sat 17/106:25LAX - DUB

2 stops17h 25mDelta

Deal found 11/12£533

Wed 24/1209:45DUB - LAX

1 stop16h 55mMultiple Airlines

Sat 17/117:40LAX - DUB

1 stop14h 05mMultiple Airlines

Deal found 10/12£540

Best flights from Ireland to California
Discover carefully curated flight deals from Ireland to California that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 12 December 2025.

Thu 16/408:55DUB - LAS

2 stops18h 17mKLM

Tue 21/411:30LAS - DUB

2 stops17h 10mKLM

Deal found 11/12£364

Wed 21/110:20DUB - LAS

1 stop16h 30mMultiple Airlines

Sun 25/110:07LAS - DUB

2 stops14h 33mMultiple Airlines

Deal found 11/12£367

Thu 15/111:30DUB - SFO

2 stops35h 05mScandinavian Airlines

Thu 29/115:10SFO - DUB

1 stop19h 10mScandinavian Airlines

Deal found 11/12£373

Tue 13/118:05DUB - LAS

2 stops32h 17mFinnair

Tue 20/111:57LAS - DUB

2 stops21h 23mFinnair

Deal found 9/12£373

Thu 12/205:55DUB - LAS

1 stop16h 20mDelta

Tue 17/207:03LAS - DUB

2 stops16h 57mDelta

Deal found 10/12£373

Wed 14/108:50DUB - SFO

1 stop14h 10mBritish Airways

Wed 28/116:30SFO - DUB

2 stops16h 30mBritish Airways

Deal found 11/12£416

Wed 4/309:00DUB - ONT

2 stops21h 57mUnited Airlines

Sun 8/323:59ONT - DUB

1 stop25h 11mUnited Airlines

Deal found 9/12£517

Fri 15/511:45DUB - ONT

1 stop18h 24mJetBlue

Sun 17/523:25ONT - DUB

1 stop25h 35mJetBlue

Deal found 10/12£565

Fri 13/311:30DUB - LAS

2 stops17h 19mMultiple Airlines

Sun 22/310:07LAS - DUB

2 stops15h 33mMultiple Airlines

Deal found 11/12£373

Thu 15/108:50DUB - LAS

1 stop13h 25mDelta

Sat 31/107:00LAS - DUB

2 stops17h 00mDelta

Deal found 10/12£373

Thu 29/111:30DUB - LAX

2 stops37h 30mScandinavian Airlines

Sun 1/219:30LAX - DUB

1 stop14h 50mScandinavian Airlines

Deal found 12/12£406

Wed 4/311:30DUB - OAK

2 stops19h 19mIcelandair

Sun 8/309:54OAK - DUB

2 stops17h 21mIcelandair

Deal found 9/12£816

Mon 30/312:40DUB - LAS

1 stop14h 22mMultiple Airlines

Mon 6/410:32LAS - DUB

1 stop11h 58mMultiple Airlines

Deal found 11/12£376

Sat 31/108:50DUB - LAS

2 stops21h 09mDelta

Tue 3/211:35LAS - DUB

2 stops20h 10mDelta

Deal found 10/12£377

Thu 15/108:50DUB - SFO

1 stop14h 10mBritish Airways

Thu 29/120:40SFO - DUB

1 stop15h 10mBritish Airways

Deal found 11/12£416

Wed 20/511:45DUB - LAS

1 stop15h 05mMultiple Airlines

Sun 31/508:19LAS - DUB

1 stop17h 36mMultiple Airlines

Deal found 11/12£376

Sat 24/105:55DUB - LAS

2 stops22h 49mDelta

Sat 31/111:56LAS - DUB

2 stops19h 49mDelta

Deal found 10/12£377

Fri 13/319:05DUB - SFO

1 stop27h 30mScandinavian Airlines

Tue 24/317:40SFO - DUB

1 stop17h 40mScandinavian Airlines

Deal found 10/12£422

Tue 13/108:50DUB - LAS

2 stops21h 26mDelta

Tue 20/107:00LAS - DUB

2 stops16h 50mDelta

Deal found 10/12£378

Wed 11/205:55DUB - SJC

2 stops21h 17mKLM

Fri 20/222:30SJC - DUB

1 stop25h 15mKLM

Deal found 10/12£513

Fri 6/309:00DUB - SJC

2 stops36h 41mUnited Airlines

Sun 8/322:55SJC - DUB

2 stops25h 35mUnited Airlines

Deal found 9/12£517

Thu 5/311:15DUB - LAX

2 stops37h 45mScandinavian Airlines

Sun 8/320:30LAX - DUB

1 stop14h 50mScandinavian Airlines

Deal found 9/12£428

Thu 12/308:50DUB - LAS

1 stop13h 25mDelta

Fri 20/323:35LAS - DUB

1 stop25h 10mDelta

Deal found 10/12£379

Sat 28/209:00DUB - BUR

2 stops19h 54mUnited Airlines

Wed 4/313:00BUR - DUB

2 stops34h 30mUnited Airlines

Deal found 9/12£517

Wed 21/112:30DUB - SFO

2 stops42h 24mScandinavian Airlines

Sun 25/116:40SFO - DUB

2 stops34h 05mScandinavian Airlines

Deal found 9/12£430

Wed 11/205:55DUB - SFO

1 stop13h 55mMultiple Airlines

Wed 18/215:40SFO - DUB

1 stop23h 15mMultiple Airlines

Deal found 10/12£434

Fri 20/210:40DUB - SNA

1 stop16h 17mUnited Airlines

Mon 23/210:51SNA - DUB

1 stop13h 19mUnited Airlines

Deal found 9/12£521

Wed 14/112:30DUB - SFO

1 stop34h 05mScandinavian Airlines

Wed 28/116:03SFO - DUB

2 stops35h 42mScandinavian Airlines

Deal found 10/12£433

Fri 6/212:05DUB - SAN

2 stops18h 45mBritish Airways

Fri 13/218:00SAN - DUB

1 stop17h 50mBritish Airways

Deal found 10/12£600

Sun 25/108:50DUB - SAN

2 stops19h 47mKLM

Sun 1/222:15SAN - DUB

1 stop26h 30mKLM

Deal found 11/12£601

Direct flights from Ireland to California
Explore direct flight options from Ireland to California based on user searches, and compare prices and availability for your desired travel dates. Data last updated 12 December 2025.

Wed 14/115:20DUB - LAX

Nonstop11h 10mAer Lingus

Thu 22/120:15LAX - DUB

Nonstop10h 15mAer Lingus

Deal found 11/12£510

Thu 29/115:20DUB - LAX

Nonstop11h 10mAer Lingus

Sun 1/220:15LAX - DUB

Nonstop10h 15mAer Lingus

Deal found 12/12£528

Thu 12/315:20DUB - LAX

Nonstop11h 10mAer Lingus

Sun 22/321:15LAX - DUB

Nonstop10h 15mAer Lingus

Deal found 11/12£533

Sun 25/113:30DUB - SFO

Nonstop11h 05mIberia

Sun 1/218:20SFO - DUB

Nonstop10h 05mIberia

Deal found 11/12£535

Sat 24/112:30DUB - SFO

Nonstop11h 05mAer Lingus

Sat 31/117:20SFO - DUB

Nonstop10h 05mAer Lingus

Deal found 10/12£571

Sat 31/115:15DUB - LAS

Nonstop10h 35mAmerican Airlines

Tue 3/219:35LAS - DUB

Nonstop9h 45mAmerican Airlines

Deal found 10/12£581

Thu 16/415:05DUB - LAS

Nonstop10h 30mAer Lingus

Tue 21/419:20LAS - DUB

Nonstop9h 45mAer Lingus

Deal found 10/12£662

Thu 5/315:20DUB - LAX

Nonstop11h 10mIberia

Sun 8/321:15LAX - DUB

Nonstop10h 15mIberia

Deal found 11/12£680

Fri 13/312:30DUB - SFO

Nonstop11h 05mAmerican Airlines

Tue 24/318:20SFO - DUB

Nonstop10h 05mAmerican Airlines

Deal found 10/12£727

Wed 21/112:30DUB - SFO

Nonstop11h 05mIberia

Sun 25/118:20SFO - DUB

Nonstop10h 05mIberia

Deal found 10/12£732

Fri 27/312:30DUB - SFO

Nonstop11h 05mIberia

Wed 8/417:45SFO - DUB

Nonstop10h 00mIberia

Deal found 11/12£733

Fri 15/515:25DUB - LAX

Nonstop11h 00mIberia

Sun 17/520:15LAX - DUB

Nonstop10h 15mIberia

Deal found 10/12£736

Last-minute flights from Ireland to California
Discover last-minute flight deals from Ireland to California. Data last updated 12 December 2025 and is based on user searches.

Tue 13/118:05DUB - LAS

2 stops32h 17mFinnair

Tue 20/111:57LAS - DUB

2 stops21h 23mFinnair

Deal found 9/12£373

Tue 13/108:50DUB - LAS

1 stop13h 25mMultiple Airlines

Tue 20/107:00LAS - DUB

2 stops16h 50mMultiple Airlines

Deal found 10/12£373

Tue 13/105:55DUB - LAS

1 stop16h 20mKLM

Tue 20/107:00LAS - DUB

1 stop17h 45mKLM

Deal found 10/12£376

Tue 13/108:50DUB - LAS

2 stops21h 26mDelta

Tue 20/107:00LAS - DUB

2 stops16h 50mDelta

Deal found 10/12£378

Thu 15/111:30DUB - SFO

2 stops35h 05mScandinavian Airlines

Thu 29/115:10SFO - DUB

1 stop19h 10mScandinavian Airlines

Deal found 11/12£373

Sat 17/110:45DUB - LAS

1 stop16h 29mKLM

Sat 31/107:00LAS - DUB

1 stop17h 45mKLM

Deal found 11/12£387

Wed 21/110:20DUB - LAS

1 stop16h 30mMultiple Airlines

Sun 25/110:07LAS - DUB

2 stops14h 33mMultiple Airlines

Deal found 11/12£367

Wed 21/111:30DUB - LAS

2 stops19h 04mAmerican Airlines

Sun 25/106:03LAS - DUB

1 stop18h 37mAmerican Airlines

Deal found 11/12£383

Thu 22/106:00DUB - LAS

2 stops18h 46mAir France

Tue 27/107:00LAS - DUB

2 stops17h 00mAir France

Deal found 11/12£363

Thu 22/105:55DUB - LAS

2 stops22h 54mDelta

Thu 5/207:00LAS - DUB

2 stops17h 05mDelta

Deal found 10/12£381

Fri 23/118:05DUB - LAS

2 stops33h 17mMultiple Airlines

Sun 25/122:59LAS - DUB

1 stop25h 41mMultiple Airlines

Deal found 11/12£379

Sat 31/110:45DUB - LAS

1 stop16h 29mAir France

Tue 3/207:00LAS - DUB

2 stops17h 00mAir France

Deal found 10/12£365

One-way flights from Ireland to California
Search for one-way flight options from Ireland to California. Find affordable one-way fares based on user searches. Data last updated 12 December 2025.

Tue 28/412:50DUB - LAS

3 stops31h 40mWestJet

Deal found 11/12£205

Sun 26/412:50DUB - LAS

3 stops31h 40mWestJet

Deal found 11/12£223

Tue 28/412:50DUB - LAX

2 stops39h 31mWestJet

Deal found 10/12£255

Thu 30/409:40DUB - LAS

2 stops19h 49mWestJet

Deal found 10/12£255

Mon 27/409:40DUB - LAS

2 stops19h 49mWestJet

Deal found 10/12£256

Wed 29/409:40DUB - LAS

2 stops19h 49mWestJet

Deal found 11/12£275

Fri 15/511:15DUB - LAX

1 stop15h 10mAer Lingus

Deal found 10/12£338

Fri 15/513:15DUB - LAX

2 stops33h 05mMultiple Airlines

Deal found 10/12£371

Mon 4/511:45DUB - ONT

1 stop18h 24mJetBlue

Deal found 11/12£373

Fri 1/511:45DUB - SAN

1 stop15h 13mJetBlue

Deal found 10/12£403

Mon 25/510:40DUB - LAX

2 stops33h 01mWestJet

Deal found 10/12£412

Tue 3/312:05DUB - SFO

1 stop14h 40mAer Lingus

Deal found 10/12£419

Find flight deals from Ireland to California

Round-trip from	£363
One-way from	£205
Popular in	July
Cheapest in	February
Average price	£522
Good round-trip deal	£385 or less

KLM
16/4-21/4
3 total stops
34h 07m total
Ireland to California

Search Deals

WestJet
28/4
3 total stops
31h 40m total
Ireland to California

Search Deals

Highest demand for flights based on searches. 16% potential increase in price (£77 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£9 potential savings vs. average return price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Price to beat on a round-trip flight from Ireland to California.

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Thu 16/4

08:55-19:12

2 stops18h 17m

Las Vegas Harry Reid Intl

Tue 21/4

11:30-12:40

2 stops17h 10m

£364

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Wed 21/1

10:20-18:50

1 stop16h 30m

Las Vegas Harry Reid Intl

Sun 25/1

10:07-08:40

2 stops14h 33m

£367

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Thu 15/1

11:30-14:35

2 stops35h 05m

San Francisco

Thu 29/1

15:10-18:20

1 stop19h 10m

£373

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Tue 13/1

18:05-18:22

2 stops32h 17m

Las Vegas Harry Reid Intl

Tue 20/1

11:57-17:20

2 stops21h 23m

£373

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Fri 13/3

11:30-21:49

2 stops17h 19m

Las Vegas Harry Reid Intl

Sun 22/3

10:07-08:40

2 stops15h 33m

£373

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Thu 12/2

05:55-14:15

1 stop16h 20m

Las Vegas Harry Reid Intl

Tue 17/2

07:03-08:00

2 stops16h 57m

£373

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

£373

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Mon 30/3

12:40-19:02

1 stop14h 22m

Las Vegas Harry Reid Intl

Mon 6/4

10:32-06:30

1 stop11h 58m

£376

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Wed 20/5

11:45-18:50

1 stop15h 05m

Las Vegas Harry Reid Intl

Sun 31/5

08:19-09:55

1 stop17h 36m

£376

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Sat 31/1

08:50-21:59

2 stops21h 09m

Las Vegas Harry Reid Intl

Tue 3/2

11:35-15:45

2 stops20h 10m

£377

Flights are sorted by cheapest return flights first.

Deals found on 11/12

Showing 1-10 of 60 results

...

Best time to book a flight from Ireland to California

Have a flexible travel schedule? Discover the best time to fly to California from Ireland with our price prediction graph.

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Ireland to California

What is the cheapest month to book a flight from Ireland to California?

Currently, October is the cheapest month in which you can book a flight from Ireland to California (average of £325). Flying from Ireland to California in July is currently the most expensive (average of £519). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from IE to CA?

It’s optimal to fly from Ireland to California in the evening. By choosing this option you can save up to 17% on the cost of your flight, compared to a flight in the afternoon.

Reviews of airlines servicing California

Read reviews from past customers who have flown with United Airlines, American Airlines, andAer Lingus from Ireland to California. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

United Airlines

7.4

Good

9,093 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Sept 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.

United Airlines

7.4

Good

9,093 reviews

United Airlines

7.4

Good

9,093 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Sept 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.

American Airlines

7.2

Good

11,049 reviews

United Airlines

7.4

Good

9,093 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Sept 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.

Aer Lingus

7.2

Good

1,394 reviews

United Airlines

7.4

Good

9,093 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Sept 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.

Air Canada

7.1

Good

10,517 reviews

United Airlines

7.4

Good

9,093 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Sept 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.

British Airways

6.7

Okay

7,571 reviews

United Airlines

7.4

Good

9,093 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Sept 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.

Related info for your journey

How popular is this Ireland to California flight route?
The Ireland to California flight path was viewed by 314 users in the past month. Keep an eye out for changes in search interest prior to high and low season.
How long is the flight from Ireland to California?
For as low as £364, KLM can have you in California from Ireland in 18h 17m. The distance between Ireland and California is about 4938 mi. Both multi-stop and direct flights can be found to your destination and back.
Can I find deals for flights from Ireland to California that include hotel bookings?
Yes. In addition to deals on Ireland to California flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Ireland to California?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ireland to California.
Can I find deals for business class flights from Ireland to California?
Yes. Cheapflights offers flight deals from Ireland to California by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Ireland to California?
Currently, October is the cheapest month in which you can book a flight from Ireland to California (average of £325). Flying from Ireland to California in July is currently the most expensive (average of £519). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Ireland to California

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Complete your trip

California car hire

Los Angeles Airport car hire

San Francisco Airport car hire

San Diego Airport car hire

San Jose Airport car hire

Sacramento Intl Airport car hire

Ontario Airport car hire

Oakland Airport car hire

Palm Springs Airport car hire

Burbank Bob Hope Airport car hire

Fresno Airterminal Airport car hire

Long Beach Municipal Airport car hire

Direct flights to United States

Top 10 airlines flying from Ireland to California

Airline	Cheapest	Average	Flexibility	On-time
Scandinavian Airlines	Cheapest£315	Average£389	FlexibilityNo cancel fee	On-time77%	Search Scandinavian Airlines flights
British Airways	Cheapest£325	Average£481	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
KLM	Cheapest£327	Average£502	FlexibilityNo cancel fee	On-time75%	Search KLM flights
Iberia	Cheapest£341	Average£525	FlexibilityNo cancel fee	On-time77%	Search Iberia flights
Aer Lingus	Cheapest£352	Average£559	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights
American Airlines	Cheapest£360	Average£578	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights
Lufthansa	Cheapest£396	Average£508	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
Air Canada	Cheapest£408	Average£564	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
Air France	Cheapest£414	Average£564	FlexibilityNo cancel fee	On-time77%	Search Air France flights
United Airlines	Cheapest£440	Average£594	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights

Fly with Cheapflights

How does Cheapflights help users find flights from Ireland to California?

Cheapflights makes it easy to find Ireland to California flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Ireland to California?

Cheapflights helps you find that perfect flight to California from Ireland by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Ireland to California with no change fees?

Certainly. Search results for flights to California from Ireland shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Ireland to California become cheaper?

Yes, Cheapflights offers price alerts on Ireland to California flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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Cheap flights from Ireland to California from £205

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 28/4. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Ireland to California

Cheapest flights from Ireland to CaliforniaExplore the most affordable flight options available from Ireland to California. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 December 2025.

Explore the most affordable flight options available from Ireland to California. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 December 2025.

Find flight deals from Ireland to California

Keep the following information in mind while searching for Ireland to California flight deals. Data was last updated 12 December 2025.

Round-trip from

One-way from

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Average price

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

Best time to book a flight from Ireland to California

Have a flexible travel schedule? Discover the best time to fly to California from Ireland with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Ireland to California

What is the cheapest month to book a flight from Ireland to California?

What is the cheapest time of day to fly from IE to CA?

Find hourly flight availability from Ireland to California. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 12 December 2025.

Reviews of airlines servicing California

Read reviews from past customers who have flown with United Airlines, American Airlines, andAer Lingus from Ireland to California. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Ireland to California. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

How popular is this Ireland to California flight route?

How long is the flight from Ireland to California?

Can I find deals for flights from Ireland to California that include hotel bookings?

How can I find direct flights from Ireland to California?

Can I find deals for business class flights from Ireland to California?

What is the cheapest month to book a flight from Ireland to California?

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Alternative routes for Ireland to California

See prices for flight routes from nearby airports that may be better suited for you.

Top 10 airlines flying from Ireland to California

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How does Cheapflights help users find flights from Ireland to California?

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Can Cheapflights find flights from Ireland to California with no change fees?

Can Cheapflights notify me if prices for flights from Ireland to California become cheaper?

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Cheapest flights from Ireland to California
Explore the most affordable flight options available from Ireland to California. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 December 2025.