Cheap flights from California to Ireland from €190
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from California to Ireland departing on 21/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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How to get the cheapest flight ticket from California to Ireland
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 Ireland?
The month of February is another great option to travel to Ireland, with average flight prices from California averaging around €473.
What is the cheapest day to depart on your flight to Ireland?
The cheapest day to depart on your flight to Ireland is on a Tuesday when prices can be found for as low as €600. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Wednesday because tickets tend to average around €777. These prices are subject to change though, so be sure to set up a Price Alert for flights to Ireland.
What is the cheapest time of day to depart on your flight to Ireland?
At midday is the cheapest time of day to fly from California to Ireland when you can find flight prices for as low as €356. Flying to Ireland at midday is an ideal time because this is during off-peak travel hours. In contrast, the most expensive time of day to depart to Ireland is in the evening when prices are around €618.
What is the cheapest California to Ireland flight route?
Fly from San Francisco to Dublin for the best California - Ireland flight prices
How far in advance should I book a flight to Ireland?
You are more likely to see cheaper flights to Ireland from California when booking 22 weeks ahead of your departure date. In general, you can expect to find flights to Ireland for around €623 when searching 22 weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ireland from California for as low as €556 on momondo.
What cabin class options are available on California to Ireland flights?
There are 2 cabin classes available to choose from on California to Ireland flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
How many flights depart from California to Ireland on average per day?
6 flights are operational daily from California to Ireland as of June 2025. The most popular departure time for this route is 17:00, with 53% of flights per day taking off in the afternoon.
How many flights depart from California to Ireland on average per week?
The number of flights available between California and Ireland is 42 per week as of June 2025. The most frequent departure day is Mon, with 14% of weekly flights leaving on this day.
Cheap California to Ireland flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from California to Ireland
When did momondo last update prices for flights from California to Ireland?
Prices for flights from California to Ireland are refreshed on a daily basis.
How many operators does momondo search for flights from California to Ireland?
There is 1 operator available for flights from California to Ireland as of June 2025.
How old do you have to be to fly from California to Ireland?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from California to Ireland.
What documentation or ID do you need to fly to Ireland?
The travel and health documents required for your trip to Ireland 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 Ireland. 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 California to Ireland?
momondo data reveals that the most frequently booked plane model on the route from California to Ireland is Airbus A330, representing 24.33% of all bookings. The subsequent popular models are Airbus A330-300 at 17.36%, Boeing 777 at 13.18%, and Boeing 777-300ER at 9.53%.
Best airlines flying from California to Ireland
Compare and see reviews for airlines that fly from California to Ireland with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom €369 | Free Cancellation | Rating 7.1 1,118 reviews | |||
| PriceFrom €660 | Free Cancellation | Rating 7.2 10,000 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from California to Ireland?
It is quick and easy to find California to Ireland 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 Ireland that suits you.
Can I find flights from California to Ireland with flexible booking policies on momondo?
Yes. All flights to Ireland from California on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from California to Ireland?
momondo provides multiple filters to help you find the best flight to Ireland from California. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from California to Ireland right now. Can momondo alert me if prices change?
Yes. momondo can track prices for California to Ireland flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.