$285+ Cheap flights from California to Ireland
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/16. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — DUB
Oct 15 — Oct 221
Round-trip
1 adult, Economy
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Find cheap flights from California to Ireland with Cheapflights
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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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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 September 15, 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 September 15, 2026.
This Ticket deal was found by Cheapflights users on 9/12. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/199:00 pm -
1 stop14h 35m
Wed 11/49:00 am -
1 stop14h 50m
Deal found 9/12![British Airways logo]()
$490
This Mytrip deal was found by Cheapflights users on 9/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/198:10 pm -
Nonstop10h 20m
Wed 11/43:30 pm -
Nonstop11h 10m
Deal found 9/11![Aer Lingus logo]()
$513
This Booking.com deal was found by Cheapflights users on 9/13. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/118:25 pm -
Nonstop10h 15m
Wed 11/183:30 pm -
Nonstop11h 10m
Deal found 9/13![Aer Lingus logo]()
$526
This United Airlines deal was found by Cheapflights users on 9/14. 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 12/712:58 pm -
1 stop12h 57m
Tue 12/159:00 am -
2 stops35h 22m
Deal found 9/14![United Airlines logo]()
$529
This United Airlines deal was found by Cheapflights users on 9/11. 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 10/216:30 am -
1 stop19h 15m
Thu 11/59:00 am -
2 stops44h 08m
Deal found 9/11![United Airlines logo]()
$529
This SmartFares deal was found by Cheapflights users on 9/11. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1810:10 pm -
1 stop13h 25m
Tue 11/38:40 pm -
1 stop30h 10m
Deal found 9/11![British Airways logo]()
$530
This Finnair deal was found by Cheapflights users on 9/11. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/206:10 pm -
1 stop14h 50m
Tue 11/39:45 am -
1 stop15h 20m
Deal found 9/11![Multiple Airlines logo]()
$530
This Mytrip deal was found by Cheapflights users on 9/12. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/111:50 pm -
1 stop23h 20m
Fri 12/119:00 am -
2 stops20h 40m
Deal found 9/12![Multiple Airlines logo]()
$532
This United Airlines deal was found by Cheapflights users on 9/11. 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 12/112:25 am -
1 stop23h 45m
Fri 12/119:00 am -
1 stop33h 34m
Deal found 9/11![United Airlines logo]()
$532
This Justfly.com deal was found by Cheapflights users on 9/13. 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.
Tue 12/111:50 pm -
1 stop23h 20m
Fri 12/119:00 am -
2 stops36h 09m
Deal found 9/13![Air Canada logo]()
$533
This Kissandfly.com deal was found by Cheapflights users on 9/13. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1912:45 pm -
1 stop13h 00m
Wed 11/412:05 pm -
1 stop16h 40m
Deal found 9/13![Lufthansa logo]()
$533
This United Airlines deal was found by Cheapflights users on 9/14. 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 12/66:00 am -
2 stops18h 10m
Tue 12/159:00 am -
2 stops35h 22m
Deal found 9/14![United Airlines logo]()
$534
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 September 15, 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 September 15, 2026.
This United Airlines deal was found by Cheapflights users on 9/14. 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 12/66:00 am -
2 stops18h 10m
Tue 12/159:00 am -
2 stops35h 22m
Deal found 9/14![United Airlines logo]()
$534
This Delta deal was found by Cheapflights users on 9/15. 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 10/1811:30 pm -
1 stop25h 15m
Tue 11/310:45 am -
2 stops17h 07m
Deal found 9/15![Delta logo]()
$545
This KLM deal was found by Cheapflights users on 9/11. 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.
Sun 11/157:05 am -
1 stop16h 40m
Thu 11/269:40 am -
1 stop18h 09m
Deal found 9/11![KLM logo]()
$556
This British Airways deal was found by Cheapflights users on 9/10. 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 10/197:40 pm -
1 stop15h 55m
Tue 11/31:25 pm -
1 stop34h 45m
Deal found 9/10![British Airways logo]()
$581
This Finnair deal was found by Cheapflights users on 9/13. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/206:10 pm -
1 stop14h 50m
Tue 10/279:45 am -
1 stop15h 20m
Deal found 9/13![Multiple Airlines logo]()
$583
This Justfly.com deal was found by Cheapflights users on 9/13. 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.
Sat 10/172:25 pm -
1 stop35h 20m
Wed 10/2810:40 am -
1 stop14h 58m
Deal found 9/13![Lufthansa logo]()
$658
This Scandinavian Airlines deal was found by Cheapflights users on 9/12. 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 9/274:45 pm -
2 stops18h 20m
Thu 10/17:05 pm -
2 stops33h 13m
Deal found 9/12![Scandinavian Airlines logo]()
$760
This Aer Lingus deal was found by Cheapflights users on 9/12. 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 11/175:20 pm -
Nonstop10h 10m
Sun 11/2212:30 pm -
Nonstop11h 05m
Deal found 9/12![Aer Lingus logo]()
$851
This Finnair deal was found by Cheapflights users on 9/12. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/18:55 am -
2 stops40h 05m
Wed 11/116:05 pm -
2 stops38h 38m
Deal found 9/12![Finnair logo]()
$855
This United Airlines deal was found by Cheapflights users on 9/11. 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 10/196:30 am -
1 stop19h 15m
Wed 11/410:40 am -
1 stop20h 19m
Deal found 9/11![United Airlines logo]()
$547
This Delta deal was found by Cheapflights users on 9/14. 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 11/86:30 am -
1 stop17h 15m
Wed 11/189:40 am -
1 stop20h 32m
Deal found 9/14![Delta logo]()
$556
This KLM deal was found by Cheapflights users on 9/14. 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 10/216:30 am -
1 stop18h 15m
Thu 11/59:55 am -
2 stops16h 25m
Deal found 9/14![KLM logo]()
$560
This British Airways deal was found by Cheapflights users on 9/12. 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.
Tue 10/204:45 pm -
1 stop16h 15m
Tue 11/34:20 pm -
1 stop31h 50m
Deal found 9/12![British Airways logo]()
$581
This United Airlines deal was found by Cheapflights users on 9/13. 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 10/286:00 am -
2 stops20h 55m
Wed 11/41:35 pm -
1 stop14h 46m
Deal found 9/13![United Airlines logo]()
$556
This Delta deal was found by Cheapflights users on 9/14. 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 11/96:45 am -
1 stop17h 00m
Wed 11/189:40 am -
1 stop17h 02m
Deal found 9/14![Delta logo]()
$556
This United Airlines deal was found by Cheapflights users on 9/14. 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 11/96:30 am -
1 stop17h 40m
Wed 11/1810:40 am -
1 stop20h 19m
Deal found 9/14![United Airlines logo]()
$556
This Delta deal was found by Cheapflights users on 9/12. 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 10/276:30 am -
1 stop18h 15m
Tue 11/310:45 am -
2 stops18h 40m
Deal found 9/12![Delta logo]()
$560
This British Airways deal was found by Cheapflights users on 9/12. 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.
Sat 2/278:55 pm -
1 stop13h 45m
Tue 3/91:25 pm -
1 stop13h 25m
Deal found 9/12![British Airways logo]()
$674
This Delta deal was found by Cheapflights users on 9/14. 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 11/812:22 pm -
2 stops35h 23m
Fri 11/209:40 am -
1 stop17h 02m
Deal found 9/14![Delta logo]()
$560
This United Airlines deal was found by Cheapflights users on 9/11. 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 11/107:00 am -
1 stop17h 10m
Thu 12/39:00 am -
2 stops45h 59m
Deal found 9/11![United Airlines logo]()
$567
This Aer Lingus deal was found by Cheapflights users on 9/14. 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.
Thu 10/2211:00 am -
1 stop17h 15m
Wed 10/2812:30 pm -
Nonstop11h 05m
Deal found 9/14![Multiple Airlines logo]()
$761
This Delta deal was found by Cheapflights users on 9/14. 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 11/105:00 pm -
2 stops30h 45m
Thu 11/199:40 am -
2 stops22h 15m
Deal found 9/14![Delta logo]()
$560
This United Airlines deal was found by Cheapflights users on 9/12. 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 11/119:55 am -
1 stop14h 15m
Thu 12/39:00 am -
2 stops45h 59m
Deal found 9/12![United Airlines logo]()
$567
This KLM deal was found by Cheapflights users on 9/10. 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 10/276:00 am -
2 stops23h 40m
Wed 11/115:45 am -
2 stops18h 32m
Deal found 9/10![KLM logo]()
$762
This Aer Lingus deal was found by Cheapflights users on 9/12. 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.
Mon 11/165:20 pm -
Nonstop10h 10m
Sun 11/2212:30 pm -
Nonstop11h 05m
Deal found 9/12![Aer Lingus logo]()
$851
This Aer Lingus deal was found by Cheapflights users on 9/13. 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.
Thu 11/511:45 pm -
1 stop25h 00m
Sat 11/213:15 pm -
Nonstop10h 35m
Deal found 9/13![Multiple Airlines logo]()
$777
This Lufthansa deal was found by Cheapflights users on 9/11. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/197:00 am -
1 stop18h 55m
Wed 11/251:35 pm -
1 stop15h 46m
Deal found 9/11![Lufthansa logo]()
$876
This Finnair deal was found by Cheapflights users on 9/14. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/133:38 pm -
2 stops17h 42m
Tue 11/179:45 am -
2 stops19h 27m
Deal found 9/14![Finnair logo]()
$888
This Delta deal was found by Cheapflights users on 9/10. 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 3/26:10 am -
2 stops17h 35m
Thu 3/119:55 am -
2 stops17h 16m
Deal found 9/10![Delta logo]()
$565
This United Airlines deal was found by Cheapflights users on 9/15. 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 10/187:00 am -
1 stop18h 45m
Tue 11/312:05 pm -
1 stop17h 47m
Deal found 9/15![United Airlines logo]()
$583
Last-minute flights from California to IrelandDiscover last-minute flight deals from California to Ireland. Data last updated September 15, 2026 and is based on user searches.
Discover last-minute flight deals from California to Ireland. Data last updated September 15, 2026 and is based on user searches.
This SmartFares deal was found by Cheapflights users on 9/11. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1810:10 pm -
1 stop13h 25m
Tue 11/38:40 pm -
1 stop30h 10m
Deal found 9/11![British Airways logo]()
$530
This American Airlines deal was found by Cheapflights users on 9/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1810:10 pm -
1 stop13h 25m
Tue 11/311:30 am -
1 stop14h 57m
Deal found 9/15![American Airlines logo]()
$537
This Ticket deal was found by Cheapflights users on 9/12. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/199:00 pm -
1 stop14h 35m
Wed 11/49:00 am -
1 stop14h 50m
Deal found 9/12![British Airways logo]()
$490
This Flightnetwork deal was found by Cheapflights users on 9/12. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/198:10 pm -
Nonstop10h 20m
Wed 11/43:30 pm -
Nonstop11h 10m
Deal found 9/12![Aer Lingus logo]()
$511
This Mytrip deal was found by Cheapflights users on 9/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1911:55 am -
1 stop12h 20m
Wed 11/45:10 am -
1 stop15h 55m
Deal found 9/11![Multiple Airlines logo]()
$532
This Kissandfly.com deal was found by Cheapflights users on 9/13. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1912:45 pm -
1 stop13h 00m
Wed 11/412:05 pm -
1 stop16h 40m
Deal found 9/13![Lufthansa logo]()
$533
This British Airways deal was found by Cheapflights users on 9/15. 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 10/1910:10 pm -
1 stop32h 25m
Tue 11/108:50 am -
1 stop18h 00m
Deal found 9/15![British Airways logo]()
$541
This Finnair deal was found by Cheapflights users on 9/11. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/206:10 pm -
1 stop14h 50m
Tue 11/39:45 am -
1 stop15h 20m
Deal found 9/11![Multiple Airlines logo]()
$530
This United Airlines deal was found by Cheapflights users on 9/11. 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 10/216:30 am -
1 stop19h 15m
Thu 11/59:00 am -
2 stops44h 08m
Deal found 9/11![United Airlines logo]()
$529
This Gotogate deal was found by Cheapflights users on 9/12. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/257:40 am -
1 stop15h 30m
Tue 11/312:10 pm -
1 stop36h 25m
Deal found 9/12![Multiple Airlines logo]()
$536
This FlightHub deal was found by Cheapflights users on 9/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/276:20 pm -
Nonstop10h 10m
Tue 11/312:30 pm -
Nonstop11h 05m
Deal found 9/11![Multiple Airlines logo]()
$541
This Finnair deal was found by Cheapflights users on 9/12. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2711:25 am -
1 stop12h 45m
Tue 11/39:45 am -
2 stops20h 35m
Deal found 9/12![Finnair logo]()
$543
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 September 15, 2026.
Search for one-way flight options from California to Ireland. Find affordable one-way fares based on user searches. Data last updated September 15, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/12. 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.
Fri 10/168:30 am -
3 stops43h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Multiple Airlines logo]()
$285
This Ticket deal was found by Cheapflights users on 9/11. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/2612:00 pm -
2 stops16h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![KLM logo]()
$299
This Kiwi.com deal was found by Cheapflights users on 9/12. 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.
Fri 10/21:20 pm -
2 stops37h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![WestJet logo]()
$302
This Kiwi.com deal was found by Cheapflights users on 9/12. 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.
Fri 10/29:30 pm -
3 stops29h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Multiple Airlines logo]()
$305
This Kiwi.com deal was found by Cheapflights users on 9/13. 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.
Mon 10/1911:20 pm -
1 stop28h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Multiple Airlines logo]()
$308
This Kiwi.com deal was found by Cheapflights users on 9/11. 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 10/66:50 am -
3 stops40h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Multiple Airlines logo]()
$309
This Kiwi.com deal was found by Cheapflights users on 9/14. 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.
Sat 10/311:30 am -
3 stops40h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Multiple Airlines logo]()
$316
This Iberia deal was found by Cheapflights users on 9/15. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/148:55 pm -
1 stop14h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![British Airways logo]()
$317
This Kiwi.com deal was found by Cheapflights users on 9/11. 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 10/16:54 pm -
3 stops39h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Multiple Airlines logo]()
$317
This Kissandfly.com deal was found by Cheapflights users on 9/15. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/267:00 am -
1 stop17h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Lufthansa logo]()
$319
This lol.travel deal was found by Cheapflights users on 9/15. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/1412:28 pm -
2 stops20h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Finnair logo]()
$323
This Justfly.com deal was found by Cheapflights users on 9/11. 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.
Sun 1/1012:44 pm -
2 stops18h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![British Airways logo]()
$326
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 September 15, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $490 (Ticket) |
One-way from | $285 (Kiwi.com) |
Popular in | June |
Cheapest in | February |
Average price | $859 |
Good round-trip deal | $881 or less |
Good one-way deal | $437 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 7,457,451 searches. Data last updated September 15, 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
Las VegasDublin
LAS Las Vegas Harry Reid Intl - DUB Dublin
LASDUB
Las Vegas Harry Reid Intl
Fri 10/16
8:30 am-11:30 am
3 stops43h 00m
Dublin
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$285
San DiegoDublin
SAN San Diego - DUB Dublin
SANDUB
San Diego
Thu 10/1
6:54 pm-6:30 pm
3 stops39h 36m
Dublin
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$317
Las VegasDublin
LAS Las Vegas Harry Reid Intl - DUB Dublin
LASDUB
Las Vegas Harry Reid Intl
Fri 10/2
6:10 pm-11:30 am
2 stops33h 20m
Dublin
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$324
OntarioDublin
ONT Ontario - DUB Dublin
ONTDUB
Ontario
Tue 1/26
7:00 am-8:10 am
1 stop17h 10m
Dublin
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$329
OntarioDublin
ONT Ontario - DUB Dublin
ONTDUB
Ontario
Mon 12/28
5:00 am-7:30 am
2 stops18h 30m
Dublin
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$329
Las VegasDublin
LAS Las Vegas Harry Reid Intl - DUB Dublin
LASDUB
Las Vegas Harry Reid Intl
Sat 1/23
11:50 pm-7:30 am
2 stops23h 40m
Dublin
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$330
Los AngelesDublin
LAX Los Angeles Los Angeles - DUB Dublin
LAXDUB
Los Angeles Los Angeles
Thu 10/1
7:30 am-10:50 am
1 stop19h 20m
Dublin
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$332
Las VegasDublin
LAS Las Vegas Harry Reid Intl - DUB Dublin
LASDUB
Las Vegas Harry Reid Intl
Mon 1/4
5:15 am-7:10 am
2 stops17h 55m
Dublin
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$335
Las VegasDublin
LAS Las Vegas Harry Reid Intl - DUB Dublin
LASDUB
Las Vegas Harry Reid Intl
Mon 1/4
8:55 pm-7:45 pm
1 stop14h 50m
Dublin
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$337
OntarioDublin
ONT Ontario - DUB Dublin
ONTDUB
Ontario
Sun 12/27
10:29 pm-7:45 am
1 stop25h 16m
Dublin
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$340
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.
LAX-DUB
SJC-DUB
LAS-DUB
SFO-DUB
ONT-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
LAX-DUB
SJC-DUB
LAS-DUB
SFO-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 $619). 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 September 15, 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 September 15, 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 50 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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Top regions
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 September 15, 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 7,457,451 searches. Data last updated September 15, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$281 | Average$938 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$328 | Average$971 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$398 | Average$839 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$433 | Average$839 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$434 | Average$653 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$437 | Average$603 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$440 | Average$935 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$442 | Average$933 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$445 | Average$946 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$468 | Average$848 | FlexibilityNo cancel fee | On-time77% |