Cheap flights from Ireland to California from €268
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ireland to California departing on 28/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names, great deals
Big names, great deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customise your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Ireland to California
Recent return flight deals from Ireland to California
Recent one-way flight deals from Ireland to California
Recent last minute flight deals from Ireland to California
Recent direct flight deals from Ireland to California
Scandinavian Airlines flights from Ireland to California
Our best Scandinavian Airlines deals on Ireland to California flight tickets
British Airways flights from Ireland to California
Our best British Airways deals on Ireland to California flight tickets
See travel insights to California from
How to get the cheapest flight ticket from Ireland to California
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to California?
In general, February is the cheapest month to fly from Ireland to California. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around €462. If you’re not able to fly to California in February, then November is your next best option. Flight prices from Ireland to California during November average around €502.
What is the cheapest day to depart on your flight to California?
The cheapest day to depart on your flight to California is on a Thursday when prices can be found for as low as €556. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to California is Tuesday, with ticket prices averaging around €885.
What is the cheapest time of day to depart on your flight to California?
Our most recent data shows that the best time of day to fly to California is in the morning. Flights from Ireland to California during this time can be as low as €558. Flights in the evening are often more expensive, with an average ticket price of €689.
What is the cheapest Ireland to California flight route?
Fly from Dublin to San Francisco for the best Ireland - California flight prices
How far in advance should I book a flight to California?
You are more likely to see cheaper flights to California from Ireland when booking 16 weeks ahead of your departure date. In general, you can expect to find flights to California for around €600 when searching 16 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to California from Ireland for as low as €539 on momondo.
What cabin class options are available on Ireland to California flights?
There are 2 cabin classes available to choose from on Ireland to California flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from Ireland to California?
WestJet, Iberia, and Vueling are the most popular carriers operating from Ireland to California
Which airlines fly to California?
Aer Lingus, British Airways and United Airlines are the top three most popular airlines that fly to California from Ireland according to our data. Aer Lingus is the first choice among our users, with 52% of people opting to fly with this airline when travelling to California. Keep in mind that there are 9 different airlines that fly to California on a routine basis, so you have a few additional options to choose from.
How many flights depart from Ireland to California on average per day?
As of June 2025, 5 flights take off from Ireland and land in California each day. The most common flight departure time for this route is 15:00, with 100% of daily flights taking off in the afternoon.
How many flights depart from Ireland to California on average per week?
As of June 2025, there are 39 flights per week flying from Ireland to California. The most common day of the week flights depart is Mon, with 15% of flights taking off on this day.
Cheap Ireland to California flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Ireland to California
Best price found | €268 |
|---|---|
Fastest flight time | 10h 35m |
Direct flights | Every day |
Airports in California | 7 airports |
When did momondo last update prices for flights from Ireland to California?
Prices for flights from Ireland to California were last updated today.
How many operators does momondo search for flights from Ireland to California?
As of June 2025, there are 10 operators available to choose from for flights from Ireland to California.
How old do you have to be to fly from Ireland to California?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Ireland to California.
What documentation or ID do you need to fly to California?
The travel and health documents required for your trip to California can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at California. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Ireland to California?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Ireland to California is Airbus A330-300 (52.28% of total bookings). The next most popular plane models are Airbus A330 (34.18%), Airbus A330-200 (6.44%), and Airbus A318/A319/A320/A321 (1.66%).
Best airlines flying from Ireland to California
Compare and see reviews for airlines that fly from Ireland to California with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom €304 | Free Cancellation | Rating 8.0 7,951 reviews | |||
| PriceFrom €340 | Free Cancellation | Rating 7.3 1,384 reviews | |||
| PriceFrom €401 | Free Cancellation | Rating 7.4 8,784 reviews | |||
| PriceFrom €401 | Free Cancellation | Rating 6.6 7,004 reviews | |||
| PriceFrom €409 | Free Cancellation | Rating 7.8 1,358 reviews | |||
| PriceFrom €429 | Free Cancellation | Rating 7.5 1,463 reviews | |||
| PriceFrom €452 | Free Cancellation | Rating 7.1 9,522 reviews | |||
| PriceFrom €475 | Free Cancellation | Rating 7.1 1,116 reviews | |||
| PriceFrom €500 | Free Cancellation | Rating 7.2 10,000 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Ireland to California?
It is quick and easy to find Ireland to California flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to California that suits you.
Can I find flights from Ireland to California with flexible booking policies on momondo?
Yes. All flights to California from Ireland on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from Ireland to California?
momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Ireland to California.
I’m not ready to book a flight from Ireland to California right now. Can momondo alert me if prices change?
If you are not ready to book a flight from Ireland to California now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to California and let you know when they change.