$345+ Cheap flights from Ireland to California
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 8/31. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from Ireland to California with Cheapflights
1. Tell us where you want to go
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Ireland to California
Keep the following information in mind while searching for Ireland to California flight deals. Data was last updated junio 12, 2025.
Round-trip from | $533 (Delta) |
|---|---|
One-way from | $345 (Kiwi.com) |
Popular in | July |
Cheapest in | February |
Average price | $790 |
Good round-trip deal | $583 or less |
Good one-way deal | $581 or less |
Find 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 junio 12, 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 junio 12, 2025.
This Bravofly deal was found by Cheapflights users on 6/12. 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 Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Delta deal was found by Cheapflights users on 6/12. 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.
This British Airways deal was found by Cheapflights users on 6/10. 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.
This American Airlines deal was found by Cheapflights users on 6/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This American Airlines deal was found by Cheapflights users on 6/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This TravelUp deal was found by Cheapflights users on 6/10. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This United Airlines deal was found by Cheapflights users on 6/11. 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.
This Finnair deal was found by Cheapflights users on 6/10. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This American Airlines deal was found by Cheapflights users on 6/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Iberia deal was found by Cheapflights users on 6/12. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Delta deal was found by Cheapflights users on 6/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Finnair deal was found by Cheapflights users on 6/11. 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.
Cheapflights Fare Finder
Customize your flight search to find flights from Ireland to California 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 junio 12, 2025.
Use the filters below to find and compare flights from Ireland to California that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
DublinLas Vegas
DUB - LAS
DUBLAS
Dublin
lun. 9/1
5:55 am-4:11 pm
2 stops18h 16m
Las Vegas Harry Reid Intl
dom. 9/7
12:35 am-7:55 am
1 stop23h 20m
DublinLas Vegas
DUB - LAS
DUBLAS
Dublin
mar. 9/2
12:00 pm-11:21 pm
1 stop19h 21m
Las Vegas Harry Reid Intl
mar. 9/9
7:10 am-8:45 am
1 stop17h 35m
DublinOntario
DUB - ONT
DUBONT
Dublin
vie. 9/26
8:35 am-6:54 pm
2 stops18h 19m
Ontario
sáb. 10/4
1:10 pm-4:40 pm
2 stops19h 30m
DublinOntario
DUB - ONT
DUBONT
Dublin
jue. 9/4
9:50 am-10:30 pm
2 stops20h 40m
Ontario
vie. 9/12
7:00 am-7:10 am
2 stops40h 10m
DublinSan Jose
DUB - SJC
DUBSJC
Dublin
mar. 6/24
12:40 pm-9:13 pm
1 stop16h 33m
San Jose
dom. 9/21
6:00 am-9:40 am
2 stops19h 40m
DublinLas Vegas
DUB - LAS
DUBLAS
Dublin
lun. 9/1
12:40 pm-9:43 pm
1 stop17h 03m
Las Vegas Harry Reid Intl
lun. 9/8
10:32 am-9:45 am
1 stop15h 13m
CorkSan Francisco
ORK - SFO
ORKSFO
Cork
mar. 9/16
6:00 am-11:45 am
1 stop13h 45m
San Francisco
vie. 9/26
11:05 am-2:40 pm
2 stops19h 35m
CorkSan Francisco
ORK - SFO
ORKSFO
Cork
lun. 9/15
5:10 pm-12:40 pm
1 stop27h 30m
San Francisco
dom. 9/28
2:40 pm-4:25 pm
1 stop17h 45m
DublinLas Vegas
DUB - LAS
DUBLAS
Dublin
sáb. 8/30
1:45 pm-8:48 pm
1 stop15h 03m
Las Vegas Harry Reid Intl
lun. 9/8
6:00 am-5:30 am
1 stop15h 30m
DublinSan Jose
DUB - SJC
DUBSJC
Dublin
mar. 6/24
12:40 pm-9:13 pm
1 stop16h 33m
San Jose
mié. 7/23
6:00 am-6:30 am
2 stops16h 30m
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?
Currently, January is the cheapest month in which you can book a flight from Ireland to California (average of $246). Flying from Ireland to California in March is currently the most expensive (average of $327). 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?
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 junio 12, 2025.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ireland to California as you normally would.
Weekly flight availability from Ireland to California
Explore weekly flight availability from Ireland to California. 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 junio 12, 2025.
The most flights from IE0 to USCA are scheduled on a Monday (3 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (3 on average).
Rainfall in California by month
Plan your trip to California by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in California ranges from 0.0 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. July is typically the driest time to visit California when rainfall is around 0.0 in.
Temperature in California by month
Plan your trip to California by taking into account the average temperature totals by month.
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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 57.2 F).
Reviews of airlines servicing California
Get insights into the airlines that provide service to California. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to California. Reviews last updated junio 12, 2025.
See what other customers who have flown with Delta, Alaska Airlines and KLM from Ireland to California have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
Comfort
Food
Overall
Entertainment
Crew
Reviews
Kim,May 2025
PIH - SLC
Boarding
Comfort
Food
Overall
Entertainment
Crew
Reviews
Kim,May 2025
PIH - SLC
Boarding
Comfort
Food
Overall
Entertainment
Crew
Reviews
Kim,May 2025
PIH - SLC
Boarding
Comfort
Food
Overall
Entertainment
Crew
Reviews
Kim,May 2025
PIH - SLC
Boarding
Comfort
Food
Overall
Entertainment
Crew
Reviews
Kim,May 2025
PIH - SLC
Boarding
Comfort
Food
Overall
Entertainment
Crew
Reviews
Kim,May 2025
PIH - SLC
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.
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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 5 airlines flying from Ireland to California
Discover the top 5 airlines that operate flights from Ireland to California. 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 junio 12, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$452 | Average$692 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$456 | Average$614 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$472 | Average$632 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$544 | Average$747 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$593 | Average$827 | FlexibilityNo cancel fee | On-time71% |