Cheap flights from Ireland to California from €350

In general, January 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 €527. If you’re not able to fly to California in January, then November is your next best option. Flight prices from Ireland to California during November average around €579.

The cheapest day to depart on your flight to California is on a Sunday when prices can be found for as low as €647. 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 €803.

Fly from Dublin to Los Angeles for the best Ireland - California flight prices

You are more likely to see cheaper flights to California from Ireland when booking weeks ahead of your departure date. In general, you can expect to find flights to California for around €674 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to California from Ireland for as low as €579 on momondo.

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.

You could potentially save up to 42% on your flight if you consider stops on a Ireland to California flight.

KLM, Delta, and British Airways are the most popular carriers operating from Ireland to California

Aer Lingus, JetBlue and British Airways 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 78% of people opting to fly with this airline when travelling to California. Keep in mind that there are 10 different airlines that fly to California on a routine basis, so you have a few additional options to choose from.

As of September 2026, 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.

As of September 2026, there are 40 flights per week flying from Ireland to California. The most common day of the week flights depart is Mon, with 20% of flights taking off on this day.