$196+ Cheap flights from California to Ireland
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 9/20. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — DUB
Aug 29 — Sep 51
Round-trip
1 adult, Economy
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Cheapest flights from California to IrelandExplore the most affordable flight options available from California to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 30, 2026.
Explore the most affordable flight options available from California to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 30, 2026.
This Trip.com deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2312:37 pm
ONT
- DUB
1 stop13h 08m
Iberia
Wed 10/712:40 pm
DUB
- ONT
1 stop16h 31m
Iberia
Deal found 7/28![Iberia logo]()
$365
This Ovago deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1811:25 pm
LAS
- DUB
1 stop21h 45m
Aer Lingus
Fri 9/111:20 pm
DUB
- LAS
1 stop29h 42m
Aer Lingus
Deal found 7/26![Aer Lingus logo]()
$419
This KAYAK deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1712:30 pm
SAN
- DUB
1 stop32h 40m
Aer Lingus
Tue 9/11:20 pm
DUB
- SAN
1 stop30h 15m
Aer Lingus
Deal found 7/28![Aer Lingus logo]()
$469
This Trip.com deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/239:00 am
LAX
- DUB
1 stop16h 45m
Iberia
Wed 10/73:25 pm
DUB
- LAX
Nonstop11h 00m
Iberia
Deal found 7/28![Iberia logo]()
$471
This Ovago deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1012:30 pm
SAN
- DUB
1 stop32h 40m
Aer Lingus
Thu 8/201:20 pm
DUB
- SAN
1 stop30h 15m
Aer Lingus
Deal found 7/27![Aer Lingus logo]()
$475
This KAYAK deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1112:30 pm
SAN
- DUB
1 stop32h 40m
Aer Lingus
Thu 8/201:20 pm
DUB
- SAN
1 stop30h 15m
Aer Lingus
Deal found 7/27![Aer Lingus logo]()
$501
This Trip.com deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/129:02 am
LAX
- DUB
1 stop16h 43m
Iberia
Wed 9/93:25 pm
DUB
- LAX
Nonstop11h 00m
Iberia
Deal found 7/28![Iberia logo]()
$502
This Ovago deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/612:30 pm
SAN
- DUB
1 stop32h 40m
Aer Lingus
Sun 9/131:20 pm
DUB
- SAN
1 stop30h 56m
Aer Lingus
Deal found 7/29![Aer Lingus logo]()
$520
This KAYAK deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/167:30 am
LAX
- DUB
1 stop13h 40m
Aer Lingus
Tue 9/11:20 pm
DUB
- LAX
1 stop15h 33m
Aer Lingus
Deal found 7/26![Aer Lingus logo]()
$529
This Ovago deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/87:30 am
LAX
- DUB
1 stop13h 40m
Aer Lingus
Fri 9/181:20 pm
DUB
- LAX
1 stop15h 35m
Aer Lingus
Deal found 7/27![Aer Lingus logo]()
$530
This KAYAK deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/91:10 pm
SAN
- DUB
1 stop32h 00m
Aer Lingus
Thu 9/171:20 pm
DUB
- SAN
1 stop30h 56m
Aer Lingus
Deal found 7/26![Aer Lingus logo]()
$531
This KAYAK deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/117:30 am
LAX
- DUB
1 stop13h 40m
Aer Lingus
Thu 9/101:20 pm
DUB
- LAX
1 stop15h 35m
Aer Lingus
Deal found 7/29![Aer Lingus logo]()
$543
Best flights from California to IrelandDiscover carefully curated flight deals from California to Ireland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 30, 2026.
Discover carefully curated flight deals from California to Ireland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 30, 2026.
This United Airlines deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/1710:30 am
SMF
- DUB
1 stop13h 40m
United Airlines
Thu 1/219:00 am
DUB
- SMF
2 stops41h 27m
United Airlines
Deal found 7/25![United Airlines logo]()
$723
This Justfly.com deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/94:05 pm
SMF
- DUB
2 stops55h 05m
Air Canada
Fri 12/49:00 am
DUB
- SMF
2 stops38h 21m
Air Canada
Deal found 7/25![Air Canada logo]()
$739
This Delta deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/117:00 am
SMF
- DUB
1 stop16h 45m
Delta
Fri 11/138:50 am
DUB
- SMF
2 stops19h 25m
Delta
Deal found 7/29![Delta logo]()
$741
This British Airways deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/245:20 pm
LAS
- DUB
1 stop13h 10m
British Airways
Tue 9/1512:50 pm
DUB
- LAS
1 stop15h 10m
British Airways
Deal found 7/27![British Airways logo]()
$749
This United deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/217:41 pm
SAN
- DUB
2 stops30h 04m
Multiple Airlines
Tue 10/69:50 am
DUB
- SAN
2 stops33h 57m
Multiple Airlines
Deal found 7/29![Multiple Airlines logo]()
$760
This Scandinavian Airlines deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/234:45 pm
SFO
- DUB
2 stops33h 25m
Scandinavian Airlines
Tue 9/811:00 am
DUB
- SFO
2 stops35h 40m
Scandinavian Airlines
Deal found 7/30![Scandinavian Airlines logo]()
$823
This KLM deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/97:35 am
LAX
- SNN
1 stop19h 35m
KLM
Sat 9/191:05 pm
SNN
- LAX
1 stop15h 45m
KLM
Deal found 7/26![KLM logo]()
$840
This JetBlue deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1711:59 pm
ONT
- DUB
1 stop25h 01m
JetBlue
Wed 9/211:30 am
DUB
- ONT
1 stop19h 07m
JetBlue
Deal found 7/26![JetBlue logo]()
$850
This Aer Lingus deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Aer Lingus is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/188:10 pm
LAX
- DUB
Nonstop10h 20m
Aer Lingus
Wed 8/263:25 pm
DUB
- LAX
Nonstop11h 00m
Aer Lingus
Deal found 7/29![Aer Lingus logo]()
$944
This United Airlines deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/32:08 pm
SAN
- DUB
2 stops36h 12m
United Airlines
Fri 11/139:00 am
DUB
- SAN
1 stop35h 00m
United Airlines
Deal found 7/26![United Airlines logo]()
$730
This Delta deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/157:18 pm
SMF
- DUB
2 stops28h 27m
Delta
Wed 11/188:50 am
DUB
- SMF
2 stops19h 25m
Delta
Deal found 7/29![Delta logo]()
$745
This British Airways deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/210:10 pm
LAS
- DUB
1 stop13h 20m
British Airways
Thu 9/108:20 pm
DUB
- LAS
1 stop31h 40m
British Airways
Deal found 7/26![British Airways logo]()
$749
This United deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/2310:30 pm
SAN
- DUB
2 stops25h 00m
Multiple Airlines
Sat 2/69:00 am
DUB
- SAN
2 stops36h 04m
Multiple Airlines
Deal found 7/25![Multiple Airlines logo]()
$782
This United Airlines deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/177:00 am
SMF
- DUB
1 stop17h 10m
United Airlines
Fri 11/279:00 am
DUB
- SMF
2 stops21h 40m
United Airlines
Deal found 7/29![United Airlines logo]()
$741
This Scandinavian Airlines deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/184:45 pm
SFO
- DUB
1 stop35h 05m
Scandinavian Airlines
Fri 8/217:05 pm
DUB
- SFO
1 stop27h 35m
Scandinavian Airlines
Deal found 7/28![Scandinavian Airlines logo]()
$826
This Delta deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/278:43 am
LAS
- DUB
2 stops17h 17m
Delta
Tue 11/35:45 am
DUB
- LAS
2 stops20h 22m
Delta
Deal found 7/25![Delta logo]()
$760
This JetBlue deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/118:06 am
SFO
- DUB
1 stop16h 54m
JetBlue
Fri 9/1810:40 am
DUB
- SFO
1 stop22h 16m
JetBlue
Deal found 7/27![JetBlue logo]()
$860
This KLM deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/36:30 am
SJC
- DUB
1 stop17h 15m
KLM
Wed 11/118:50 am
DUB
- SJC
2 stops19h 47m
KLM
Deal found 7/25![KLM logo]()
$876
This United Airlines deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/98:00 am
SMF
- DUB
1 stop18h 20m
United Airlines
Fri 12/412:05 pm
DUB
- SMF
1 stop17h 37m
United Airlines
Deal found 7/25![United Airlines logo]()
$749
This Scandinavian Airlines deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/217:30 pm
LAX
- DUB
1 stop29h 55m
Scandinavian Airlines
Mon 1/2511:30 am
DUB
- LAX
2 stops61h 30m
Scandinavian Airlines
Deal found 7/28![Scandinavian Airlines logo]()
$829
This British Airways deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2210:10 pm
LAS
- DUB
1 stop25h 30m
British Airways
Sat 10/318:40 pm
DUB
- LAS
1 stop30h 10m
British Airways
Deal found 7/27![British Airways logo]()
$845
This KLM deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/98:45 am
LAX
- SNN
1 stop18h 25m
Multiple Airlines
Sat 9/191:05 pm
SNN
- LAX
2 stops35h 04m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$851
This JetBlue deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/276:00 am
SFO
- DUB
1 stop18h 20m
JetBlue
Thu 9/310:40 am
DUB
- SFO
1 stop18h 16m
JetBlue
Deal found 7/29![JetBlue logo]()
$864
This Delta deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/216:20 am
SAN
- DUB
2 stops18h 55m
Delta
Wed 10/711:10 am
DUB
- SAN
2 stops19h 41m
Delta
Deal found 7/27![Delta logo]()
$786
This KLM deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2711:49 am
SFO
- SNN
1 stop15h 21m
KLM
Thu 9/31:05 pm
SNN
- SFO
2 stops35h 08m
KLM
Deal found 7/29![KLM logo]()
$880
This United Airlines deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1110:55 am
SMF
- DUB
2 stops15h 25m
United Airlines
Wed 11/181:35 pm
DUB
- SMF
2 stops16h 54m
United Airlines
Deal found 7/29![United Airlines logo]()
$749
This Scandinavian Airlines deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/74:45 pm
SFO
- DUB
2 stops33h 25m
Scandinavian Airlines
Wed 9/1611:00 am
DUB
- SFO
2 stops35h 40m
Scandinavian Airlines
Deal found 7/30![Scandinavian Airlines logo]()
$840
This Aer Lingus deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Aer Lingus is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/37:15 am
LAS
- DUB
1 stop20h 10m
Multiple Airlines
Tue 11/103:15 pm
DUB
- LAS
Nonstop10h 35m
Multiple Airlines
Deal found 7/25![Multiple Airlines logo]()
$859
This Delta deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/157:00 am
SMF
- DUB
1 stop16h 45m
Delta
Sun 12/69:40 am
DUB
- SMF
1 stop20h 05m
Delta
Deal found 7/29![Delta logo]()
$794
This JetBlue deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/1311:08 am
LAS
- DUB
1 stop13h 52m
JetBlue
Mon 10/511:30 am
DUB
- LAS
1 stop15h 13m
JetBlue
Deal found 7/27![JetBlue logo]()
$890
Last-minute flights from California to IrelandDiscover last-minute flight deals from California to Ireland. Data last updated July 30, 2026 and is based on user searches.
Discover last-minute flight deals from California to Ireland. Data last updated July 30, 2026 and is based on user searches.
This Ovago deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1012:30 pm
SAN
- DUB
1 stop32h 40m
Aer Lingus
Thu 8/201:20 pm
DUB
- SAN
1 stop30h 15m
Aer Lingus
Deal found 7/27![Aer Lingus logo]()
$475
This KAYAK deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1012:30 pm
SAN
- DUB
1 stop32h 40m
Aer Lingus
Tue 8/251:20 pm
DUB
- SAN
1 stop30h 15m
Aer Lingus
Deal found 7/29![Aer Lingus logo]()
$569
This Ovago deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1012:30 pm
SAN
- DUB
1 stop32h 40m
Aer Lingus
Thu 8/271:20 pm
DUB
- SAN
1 stop30h 15m
Aer Lingus
Deal found 7/29![Aer Lingus logo]()
$570
This Gurufare deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1012:30 pm
SAN
- DUB
1 stop32h 40m
Aer Lingus
Fri 8/281:20 pm
DUB
- SAN
1 stop30h 15m
Aer Lingus
Deal found 7/29![Aer Lingus logo]()
$571
This KAYAK deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1112:30 pm
SAN
- DUB
1 stop32h 40m
Aer Lingus
Thu 8/201:20 pm
DUB
- SAN
1 stop30h 15m
Aer Lingus
Deal found 7/27![Aer Lingus logo]()
$501
This KAYAK deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/117:30 am
LAX
- DUB
1 stop13h 40m
Aer Lingus
Thu 9/101:20 pm
DUB
- LAX
1 stop15h 35m
Aer Lingus
Deal found 7/29![Aer Lingus logo]()
$543
This Trip.com deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/129:02 am
LAX
- DUB
1 stop16h 43m
Iberia
Wed 9/93:25 pm
DUB
- LAX
Nonstop11h 00m
Iberia
Deal found 7/28![Iberia logo]()
$502
This KAYAK deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/167:30 am
LAX
- DUB
1 stop13h 40m
Aer Lingus
Tue 9/11:20 pm
DUB
- LAX
1 stop15h 33m
Aer Lingus
Deal found 7/26![Aer Lingus logo]()
$529
This KAYAK deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/167:30 am
LAX
- DUB
1 stop13h 40m
Aer Lingus
Sun 9/61:20 pm
DUB
- LAX
1 stop15h 33m
Aer Lingus
Deal found 7/26![Aer Lingus logo]()
$575
This KAYAK deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1712:30 pm
SAN
- DUB
1 stop32h 40m
Aer Lingus
Tue 9/11:20 pm
DUB
- SAN
1 stop30h 15m
Aer Lingus
Deal found 7/28![Aer Lingus logo]()
$469
This Ovago deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1811:25 pm
LAS
- DUB
1 stop21h 45m
Aer Lingus
Fri 9/111:20 pm
DUB
- LAS
1 stop29h 42m
Aer Lingus
Deal found 7/26![Aer Lingus logo]()
$419
This KAYAK deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/267:30 am
LAX
- DUB
1 stop13h 40m
Aer Lingus
Wed 9/21:20 pm
DUB
- LAX
1 stop15h 33m
Aer Lingus
Deal found 7/27![Aer Lingus logo]()
$578
One-way flights from California to IrelandSearch for one-way flight options from California to Ireland. Find affordable one-way fares based on user searches. Data last updated July 30, 2026.
Search for one-way flight options from California to Ireland. Find affordable one-way fares based on user searches. Data last updated July 30, 2026.
This KAYAK deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/201:10 pm
SAN
- DUB
1 stop32h 00m
Aer Lingus
Deal found 7/26![Aer Lingus logo]()
$196
This Kiwi.com deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/16:00 am
LAS
- DUB
2 stops21h 05m
Multiple Airlines
Deal found 7/28![Multiple Airlines logo]()
$242
This KAYAK deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/191:10 pm
SAN
- DUB
1 stop32h 00m
Aer Lingus
Deal found 7/29![Aer Lingus logo]()
$243
This Ovago deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/112:30 pm
SAN
- DUB
1 stop32h 40m
Aer Lingus
Deal found 7/27![Aer Lingus logo]()
$244
This KAYAK deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/231:10 pm
SAN
- DUB
1 stop32h 00m
Aer Lingus
Deal found 7/26![Aer Lingus logo]()
$246
This KAYAK deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2512:30 pm
SAN
- DUB
1 stop32h 40m
Aer Lingus
Deal found 7/26![Aer Lingus logo]()
$269
This Ovago deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/712:30 pm
SAN
- DUB
1 stop32h 40m
Aer Lingus
Deal found 7/26![Aer Lingus logo]()
$270
This Kiwi.com deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/217:00 am
LAS
- DUB
3 stops40h 15m
Multiple Airlines
Deal found 7/25![Multiple Airlines logo]()
$283
This Kiwi.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/158:14 pm
LAS
- DUB
2 stops54h 36m
Multiple Airlines
Deal found 7/29![Multiple Airlines logo]()
$289
This Kiwi.com deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/87:13 pm
SAN
- DUB
2 stops55h 37m
Multiple Airlines
Deal found 7/28![Multiple Airlines logo]()
$290
This KAYAK deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/181:10 pm
SAN
- DUB
1 stop32h 00m
Aer Lingus
Deal found 7/26![Aer Lingus logo]()
$293
This Ovago deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1212:30 pm
SAN
- DUB
1 stop32h 40m
Aer Lingus
Deal found 7/30![Aer Lingus logo]()
$294
Find flight deals from California to Ireland
Keep the following information in mind while searching for California to Ireland flight deals. Data was last updated July 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $365 (Trip.com) |
One-way from | $196 (KAYAK) |
Popular in | June |
Cheapest in | February |
Average price | $1,032 |
Good round-trip deal | $902 or less |
Good one-way deal | $346 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from California to Ireland 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, Cheapflights users made 2,558,603 searches. Data last updated July 30, 2026.
Use the filters below to find and compare flights from California to Ireland that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
SacramentoDublin
SMF - DUB
SMFDUB
Sacramento Intl
Sun 1/17
10:30 am-8:10 am
1 stop13h 40m
Dublin
Thu 1/21
9:00 am-6:27 pm
2 stops41h 27m
$723
San DiegoDublin
SAN - DUB
SANDUB
San Diego
Tue 11/3
2:08 pm-10:20 am
2 stops36h 12m
Dublin
Fri 11/13
9:00 am-12:00 pm
1 stop35h 00m
$730
SacramentoDublin
SMF - DUB
SMFDUB
Sacramento Intl
Mon 11/9
4:05 pm-7:10 am
2 stops55h 05m
Dublin
Fri 12/4
9:00 am-3:21 pm
2 stops38h 21m
$739
SacramentoDublin
SMF - DUB
SMFDUB
Sacramento Intl
Wed 11/11
7:00 am-7:45 am
1 stop16h 45m
Dublin
Fri 11/13
8:50 am-8:15 pm
2 stops19h 25m
$741
SacramentoDublin
SMF - DUB
SMFDUB
Sacramento Intl
Tue 11/17
7:00 am-8:10 am
1 stop17h 10m
Dublin
Fri 11/27
9:00 am-10:40 pm
2 stops21h 40m
$741
SacramentoDublin
SMF - DUB
SMFDUB
Sacramento Intl
Sun 11/15
7:18 pm-7:45 am
2 stops28h 27m
Dublin
Wed 11/18
8:50 am-8:15 pm
2 stops19h 25m
$745
Las VegasDublin
LAS - DUB
LASDUB
Las Vegas Harry Reid Intl
Mon 8/24
5:20 pm-2:30 pm
1 stop13h 10m
Dublin
Tue 9/15
12:50 pm-8:00 pm
1 stop15h 10m
$749
Las VegasDublin
LAS - DUB
LASDUB
Las Vegas Harry Reid Intl
Wed 9/2
10:10 pm-7:30 pm
1 stop13h 20m
Dublin
Thu 9/10
8:20 pm-8:00 pm
1 stop31h 40m
$749
SacramentoDublin
SMF - DUB
SMFDUB
Sacramento Intl
Mon 11/9
8:00 am-10:20 am
1 stop18h 20m
Dublin
Fri 12/4
12:05 pm-9:42 pm
1 stop17h 37m
$749
SacramentoDublin
SMF - DUB
SMFDUB
Sacramento Intl
Wed 11/11
10:55 am-10:20 am
2 stops15h 25m
Dublin
Wed 11/18
1:35 pm-10:29 pm
2 stops16h 54m
$749
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from California to Ireland
Have a flexible travel schedule? Discover the best time to fly to Ireland from California with our price prediction graph.
SAN-DUB
LAS-DUB
ONT-DUB
LAX-DUB
SMF-DUB
Estimated round-trip 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 California to Ireland
USCA-IE0
SAN-DUB
LAS-DUB
ONT-DUB
LAX-DUB
What is the cheapest month to book a flight from California to Ireland?
Currently, February is the cheapest month in which you can book a flight from California to Ireland (average of $623). Flying from California to Ireland in June is currently the most expensive (average of $1,246). 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 CA to IE?
Find hourly flight availability from California to Ireland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 30, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from California to Ireland as you normally would.
Weekly flight availability from California to Ireland
Explore weekly flight availability from California to Ireland. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated July 30, 2026.
The most flights from USCA to IE0 are scheduled on a Monday (4 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (4 on average).
How far ahead should I book a flight from California to Ireland?
Booking 72 days in advance of your planned departure date is, on average, the best time to get cheap flights from California to Ireland. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Related info for your journey
Find useful and relevant information for your journey from California to Ireland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
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Alternative routes for California to Ireland
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Ireland by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from California to Ireland by cabin class
Find flights from California to Ireland, based on your preferred cabin class, be it economy, premium economy, business, or first class.
California and Ireland flights
Browse other California and Ireland flight options. Last updated on July 30, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from Ireland
Find the right flight back to California after your stay in Ireland
California to Ireland flights
Consider these flights traveling from California to Ireland.
Fly to Ireland regions
Consider these flights traveling to Ireland regions.
Top 10 airlines flying from California to Ireland
Discover the top 10 airlines that operate flights from California to Ireland. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$398 | Average$723 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$421 | Average$561 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$424 | Average$904 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$433 | Average$860 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$434 | Average$585 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$440 | Average$906 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$442 | Average$915 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$445 | Average$912 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$447 | Average$938 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$465 | Average$866 | FlexibilityNo cancel fee | On-timeN/A |