How popular is this Ireland to California flight route?

The Ireland to California flight path was viewed by 306 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 £457, British Airways can have you in California from Ireland in 19h 18m. The distance between Ireland and California is about 5132 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.

£277+ 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 21 December 2025.

Fri 26/1212:55DUB - LAS

1 stop15h 01mMultiple Airlines

Tue 30/1208:05LAS - DUB

1 stop15h 10mMultiple Airlines

Deal found 19/12£420

Sun 28/1212:55DUB - LAS

1 stop15h 56mMultiple Airlines

Tue 6/110:42LAS - DUB

1 stop13h 58mMultiple Airlines

Deal found 21/12£437

Fri 26/1212:55DUB - LAX

1 stop15h 40mMultiple Airlines

Fri 16/119:25LAX - DUB

1 stop13h 35mMultiple Airlines

Deal found 19/12£448

Fri 26/1212:55DUB - LAX

1 stop15h 40mMultiple Airlines

Wed 31/1211:54LAX - DUB

1 stop12h 46mMultiple Airlines

Deal found 19/12£462

Mon 29/1211:30DUB - LAX

1 stop15h 07mMultiple Airlines

Mon 12/112:12LAX - DUB

1 stop12h 28mMultiple Airlines

Deal found 19/12£468

Sun 28/1212:55DUB - SFO

1 stop17h 56mMultiple Airlines

Sun 11/123:13SFO - DUB

1 stop25h 27mMultiple Airlines

Deal found 19/12£495

Sun 28/1210:40DUB - LAS

2 stops17h 14mUnited Airlines

Tue 6/108:10LAS - DUB

1 stop15h 20mUnited Airlines

Deal found 21/12£515

Fri 26/1210:40DUB - LAS

1 stop19h 52mUnited Airlines

Tue 30/1210:05LAS - DUB

2 stops15h 50mUnited Airlines

Deal found 19/12£516

Tue 23/1213:00DUB - LAS

1 stop16h 57mMultiple Airlines

Sun 28/1209:50LAS - DUB

1 stop13h 20mMultiple Airlines

Deal found 19/12£528

Fri 26/1210:40DUB - LAX

1 stop18h 38mUnited Airlines

Wed 14/118:50LAX - DUB

1 stop29h 20mUnited Airlines

Deal found 19/12£546

Tue 23/1208:50DUB - LAS

2 stops19h 40mDelta

Sun 28/1206:00LAS - DUB

1 stop17h 45mDelta

Deal found 20/12£564

Sat 27/1212:05DUB - LAX

1 stop28h 58mUnited Airlines

Sat 10/107:35LAX - DUB

2 stops16h 35mUnited Airlines

Deal found 20/12£568

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 21 December 2025.

Sat 24/110:55DUB - LAS

2 stops19h 42mBritish Airways

Tue 27/109:50LAS - DUB

2 stops18h 20mBritish Airways

Deal found 18/12£361

Wed 4/217:15DUB - LAS

1 stop29h 00mMultiple Airlines

Wed 11/207:00LAS - DUB

2 stops17h 00mMultiple Airlines

Deal found 20/12£362

Fri 23/112:30DUB - SFO

1 stop34h 05mScandinavian Airlines

Mon 26/116:40SFO - DUB

1 stop17h 40mScandinavian Airlines

Deal found 19/12£384

Mon 2/211:30DUB - ONT

2 stops19h 18mAmerican Airlines

Mon 9/215:09ONT - DUB

2 stops17h 56mAmerican Airlines

Deal found 19/12£457

Wed 11/205:55DUB - SJC

2 stops19h 45mKLM

Fri 20/213:48SJC - DUB

1 stop33h 57mKLM

Deal found 19/12£517

Sat 24/109:00DUB - ONT

2 stops19h 58mUnited Airlines

Mon 2/206:00ONT - DUB

2 stops17h 30mUnited Airlines

Deal found 20/12£520

Mon 2/206:00DUB - OAK

2 stops25h 53mDelta

Mon 9/205:55OAK - DUB

2 stops26h 25mDelta

Deal found 19/12£583

Fri 10/411:35DUB - SNA

1 stop15h 41mAer Lingus

Fri 24/413:40SNA - DUB

2 stops17h 10mAer Lingus

Deal found 20/12£623

Tue 3/310:55DUB - LAS

2 stops18h 47mBritish Airways

Mon 9/312:29LAS - DUB

2 stops17h 06mBritish Airways

Deal found 21/12£361

Thu 12/211:30DUB - SJC

2 stops19h 29mIcelandair

Wed 25/210:16SJC - DUB

2 stops15h 59mIcelandair

Deal found 21/12£756

Mon 23/319:05DUB - SFO

1 stop27h 30mScandinavian Airlines

Sat 18/416:45SFO - DUB

1 stop35h 05mScandinavian Airlines

Deal found 20/12£397

Thu 5/310:30DUB - LAS

2 stops21h 04mBritish Airways

Tue 10/321:55LAS - DUB

1 stop14h 45mBritish Airways

Deal found 21/12£361

Sun 18/110:10DUB - SFO

1 stop36h 25mScandinavian Airlines

Sun 22/317:40SFO - DUB

1 stop17h 40mScandinavian Airlines

Deal found 19/12£397

Thu 12/310:30DUB - LAS

2 stops18h 19mBritish Airways

Tue 17/312:29LAS - DUB

2 stops21h 31mBritish Airways

Deal found 19/12£361

Sun 19/409:30DUB - SJC

2 stops19h 05mMultiple Airlines

Sun 26/405:57SJC - DUB

1 stop19h 48mMultiple Airlines

Deal found 21/12£450

Wed 4/308:50DUB - LAS

2 stops19h 56mBritish Airways

Tue 10/312:29LAS - DUB

2 stops18h 51mBritish Airways

Deal found 21/12£361

Fri 16/110:45DUB - SFO

2 stops35h 50mScandinavian Airlines

Mon 23/317:40SFO - DUB

1 stop17h 40mScandinavian Airlines

Deal found 20/12£399

Tue 3/211:30DUB - SJC

2 stops31h 27mMultiple Airlines

Tue 10/206:10SJC - DUB

2 stops18h 30mMultiple Airlines

Deal found 20/12£452

Sat 17/109:00DUB - SNA

2 stops20h 19mUnited Airlines

Wed 21/110:51SNA - DUB

1 stop13h 19mUnited Airlines

Deal found 19/12£520

Mon 2/308:50DUB - LAS

2 stops18h 09mBritish Airways

Mon 9/307:00LAS - DUB

2 stops19h 50mBritish Airways

Deal found 21/12£361

Thu 15/111:30DUB - SFO

2 stops35h 05mScandinavian Airlines

Sun 22/317:40SFO - DUB

1 stop17h 40mScandinavian Airlines

Deal found 19/12£402

Mon 2/209:40DUB - SNA

2 stops30h 54mMultiple Airlines

Mon 9/209:30SNA - DUB

2 stops16h 20mMultiple Airlines

Deal found 19/12£457

Sat 28/209:00DUB - BUR

2 stops19h 54mUnited Airlines

Wed 4/307:25BUR - DUB

2 stops18h 55mUnited Airlines

Deal found 19/12£520

Thu 5/310:30DUB - LAS

2 stops19h 17mBritish Airways

Mon 9/321:55LAS - DUB

1 stop27h 00mBritish Airways

Deal found 21/12£361

Wed 14/112:30DUB - SFO

1 stop34h 05mScandinavian Airlines

Sun 22/317:40SFO - DUB

2 stops18h 55mScandinavian Airlines

Deal found 20/12£402

Mon 2/208:50DUB - OAK

2 stops39h 24mKLM

Mon 9/205:55OAK - DUB

2 stops32h 15mKLM

Deal found 18/12£614

Mon 12/111:30DUB - BUR

2 stops32h 54mMultiple Airlines

Sun 18/107:00BUR - DUB

2 stops17h 40mMultiple Airlines

Deal found 20/12£461

Mon 2/210:40DUB - SNA

1 stop19h 44mUnited Airlines

Mon 9/206:45SNA - DUB

1 stop17h 25mUnited Airlines

Deal found 19/12£525

Wed 4/308:50DUB - LAS

2 stops19h 56mBritish Airways

Mon 9/312:29LAS - DUB

2 stops17h 06mBritish Airways

Deal found 21/12£361

Thu 15/111:30DUB - SFO

2 stops35h 05mScandinavian Airlines

Mon 23/317:40SFO - DUB

1 stop17h 40mScandinavian Airlines

Deal found 19/12£402

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 21 December 2025.

Thu 5/315:15DUB - LAS

Nonstop10h 35mAer Lingus

Tue 10/320:35LAS - DUB

Nonstop9h 45mAer Lingus

Deal found 21/12£374

Fri 16/112:30DUB - SFO

Nonstop11h 05mAer Lingus

Wed 25/318:20SFO - DUB

Nonstop10h 05mAer Lingus

Deal found 20/12£432

Mon 12/112:30DUB - SFO

Nonstop11h 05mAer Lingus

Sun 18/118:20SFO - DUB

Nonstop10h 05mAer Lingus

Deal found 18/12£433

Tue 19/512:50DUB - SFO

Nonstop10h 55mAer Lingus

Tue 26/517:45SFO - DUB

Nonstop10h 00mAer Lingus

Deal found 20/12£436

Thu 12/215:20DUB - LAX

Nonstop11h 10mAer Lingus

Wed 18/220:15LAX - DUB

Nonstop10h 15mAer Lingus

Deal found 20/12£441

Thu 5/215:20DUB - LAX

Nonstop11h 10mAer Lingus

Mon 9/220:15LAX - DUB

Nonstop10h 15mAer Lingus

Deal found 19/12£457

Sun 8/315:20DUB - LAX

Nonstop11h 10mAer Lingus

Sat 14/321:15LAX - DUB

Nonstop10h 15mAer Lingus

Deal found 19/12£475

Wed 11/315:20DUB - LAX

Nonstop11h 10mAer Lingus

Wed 18/321:15LAX - DUB

Nonstop10h 15mAer Lingus

Deal found 19/12£478

Fri 16/115:20DUB - LAX

Nonstop11h 10mAer Lingus

Thu 26/321:15LAX - DUB

Nonstop10h 15mAer Lingus

Deal found 19/12£496

Sun 12/415:25DUB - LAX

Nonstop11h 00mAer Lingus

Sun 19/420:15LAX - DUB

Nonstop10h 15mAer Lingus

Deal found 19/12£503

Sat 6/615:25DUB - LAX

Nonstop11h 00mAer Lingus

Fri 19/620:15LAX - DUB

Nonstop10h 15mAer Lingus

Deal found 19/12£504

Tue 7/415:05DUB - LAS

Nonstop10h 30mIberia

Tue 14/419:20LAS - DUB

Nonstop9h 45mIberia

Deal found 20/12£528

Last-minute flights from Ireland to California
Discover last-minute flight deals from Ireland to California. Data last updated 21 December 2025 and is based on user searches.

Thu 15/108:50DUB - LAS

1 stop13h 25mDelta

Sat 31/107:00LAS - DUB

2 stops17h 00mDelta

Deal found 20/12£362

Thu 15/111:30DUB - LAS

1 stop18h 29mMultiple Airlines

Sat 31/111:01LAS - DUB

2 stops13h 39mMultiple Airlines

Deal found 21/12£375

Thu 15/111:30DUB - SFO

2 stops35h 05mScandinavian Airlines

Thu 29/115:10SFO - DUB

1 stop19h 10mScandinavian Airlines

Deal found 19/12£393

Thu 15/112:30DUB - SFO

1 stop34h 05mScandinavian Airlines

Sun 22/317:40SFO - DUB

1 stop17h 40mScandinavian Airlines

Deal found 19/12£397

Fri 16/113:25DUB - LAS

2 stops19h 15mDelta

Fri 23/123:26LAS - DUB

2 stops25h 19mDelta

Deal found 19/12£368

Fri 16/111:30DUB - LAS

1 stop18h 24mMultiple Airlines

Fri 23/106:03LAS - DUB

1 stop18h 37mMultiple Airlines

Deal found 19/12£382

Fri 16/110:45DUB - SFO

2 stops35h 50mScandinavian Airlines

Sun 22/317:40SFO - DUB

1 stop17h 40mScandinavian Airlines

Deal found 20/12£399

Fri 16/110:45DUB - SFO

2 stops35h 50mScandinavian Airlines

Mon 23/317:40SFO - DUB

1 stop17h 40mScandinavian Airlines

Deal found 19/12£400

Sat 17/105:55DUB - LAS

2 stops22h 13mDelta

Sat 24/107:00LAS - DUB

2 stops16h 50mDelta

Deal found 19/12£365

Sat 17/110:10DUB - SFO

1 stop36h 25mScandinavian Airlines

Thu 22/116:40SFO - DUB

1 stop32h 45mScandinavian Airlines

Deal found 19/12£391

Fri 23/119:05DUB - SFO

1 stop27h 30mScandinavian Airlines

Mon 26/116:40SFO - DUB

1 stop17h 40mScandinavian Airlines

Deal found 20/12£384

Sat 24/108:55DUB - LAS

2 stops21h 42mBritish Airways

Tue 27/120:55LAS - DUB

1 stop27h 00mBritish Airways

Deal found 20/12£361

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 21 December 2025.

Tue 28/412:50DUB - LAX

2 stops37h 19mWestJet

Deal found 21/12£277

Sun 22/210:45DUB - LAS

1 stop16h 05mBritish Airways

Deal found 19/12£351

Wed 15/413:45DUB - LAS

1 stop17h 41mMultiple Airlines

Deal found 19/12£386

Fri 1/510:40DUB - SAN

1 stop17h 28mJetBlue

Deal found 21/12£406

Sat 21/306:40DUB - SFO

1 stop16h 20mAer Lingus

Deal found 19/12£407

Wed 6/511:45DUB - ONT

1 stop18h 24mJetBlue

Deal found 19/12£409

Fri 3/405:30DUB - LAX

1 stop17h 05mTAP AIR PORTUGAL

Deal found 19/12£413

Sat 17/110:10DUB - SFO

1 stop36h 25mScandinavian Airlines

Deal found 19/12£420

Thu 7/511:45DUB - ONT

1 stop18h 24mJetBlue

Deal found 19/12£435

Tue 17/310:55DUB - SFO

1 stop15h 50mAer Lingus

Deal found 19/12£446

Sun 22/306:40DUB - SFO

1 stop16h 20mAer Lingus

Deal found 19/12£448

Sat 7/220:40DUB - SFO

1 stop26h 20mMultiple Airlines

Deal found 19/12£449

Find flight deals from Ireland to California

Round-trip from	£361
One-way from	£277
Popular in	July
Cheapest in	February
Average price	£531
Good round-trip deal	£534 or less
Good one-way deal	£259 or less

British Airways
24/1-27/1
3 total stops
48h 42m total
Ireland to California

Search Deals

WestJet
28/4
2 total stops
37h 19m 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 (£10 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

Price to beat on a one-way flight from Ireland to California.

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Sat 24/1

10:55-22:37

2 stops19h 42m

Las Vegas Harry Reid Intl

Tue 27/1

09:50-12:10

2 stops18h 20m

£361

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Tue 3/3

10:55-21:42

2 stops18h 47m

Las Vegas Harry Reid Intl

Mon 9/3

12:29-12:35

2 stops17h 06m

£361

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Thu 5/3

10:30-23:34

2 stops21h 04m

Las Vegas Harry Reid Intl

Tue 10/3

21:55-19:40

1 stop14h 45m

£361

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Thu 12/3

10:30-21:49

2 stops18h 19m

Las Vegas Harry Reid Intl

Tue 17/3

12:29-17:00

2 stops21h 31m

£361

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Wed 4/3

08:50-20:46

2 stops19h 56m

Las Vegas Harry Reid Intl

Tue 10/3

12:29-14:20

2 stops18h 51m

£361

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Mon 2/3

08:50-18:59

2 stops18h 09m

Las Vegas Harry Reid Intl

Mon 9/3

07:00-09:50

2 stops19h 50m

£361

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Thu 5/3

10:30-21:47

2 stops19h 17m

Las Vegas Harry Reid Intl

Mon 9/3

21:55-07:55

1 stop27h 00m

£361

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Wed 4/3

08:50-20:46

2 stops19h 56m

Las Vegas Harry Reid Intl

Mon 9/3

12:29-12:35

2 stops17h 06m

£361

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Wed 4/2

17:15-14:15

1 stop29h 00m

Las Vegas Harry Reid Intl

Wed 11/2

07:00-08:00

2 stops17h 00m

£362

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Fri 23/1

12:30-14:35

1 stop34h 05m

San Francisco

Mon 26/1

16:40-18:20

1 stop17h 40m

£384

Flights are sorted by cheapest return flights first.

Deals found on 21/12

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 15% on the cost of your flight, compared to a flight in the morning.

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

9,102 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

9,102 reviews

United Airlines

7.4

Good

9,102 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

11,051 reviews

United Airlines

7.4

Good

9,102 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

1,408 reviews

United Airlines

7.4

Good

9,102 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

10,551 reviews

United Airlines

7.4

Good

9,102 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

7,602 reviews

United Airlines

7.4

Good

9,102 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 306 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 £457, British Airways can have you in California from Ireland in 19h 18m. The distance between Ireland and California is about 5132 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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Gatwick to Boston flights

Heathrow to Atlanta flights

Gatwick to Los Angeles flights

Stansted to Miami flights

Heathrow to Hobby flights

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London City to Los Angeles flights

Edinburgh to Boston flights

Manchester to LaGuardia flights

Gatwick to Las Vegas flights

London City to Las Vegas flights

Heathrow to Baltimore flights

London City to Boston flights

Stansted to Los Angeles flights

Heathrow to George Bush Intcntl flights

Stansted to Boston flights

Heathrow to Ontario flights

Gatwick to San Francisco flights

Gatwick to Dallas/Fort Worth flights

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£316	Average£390	FlexibilityNo cancel fee	On-time77%	Search Scandinavian Airlines flights
British Airways	Cheapest£321	Average£481	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
KLM	Cheapest£327	Average£503	FlexibilityNo cancel fee	On-time75%	Search KLM flights
Iberia	Cheapest£341	Average£525	FlexibilityNo cancel fee	On-time77%	Search Iberia flights
Aer Lingus	Cheapest£351	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£397	Average£509	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£415	Average£564	FlexibilityNo cancel fee	On-time77%	Search Air France flights
United Airlines	Cheapest£440	Average£619	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 £277

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 21 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 21 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 21 December 2025.

Round-trip from

One-way from

Popular in

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Average price

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Good one-way deal

Cheapflights Fare Finder

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 21 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?

Browse thousands of different options on Cheapflights for your next trip

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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?

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

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 21 December 2025.