€240 Find Cheap Flights from California to Ireland

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from California to Ireland.

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from California to Ireland is likely to change within 7 days, so travellers know whether to wait or book now.

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly from California to Ireland with an airline and back with another airline.

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from California to Ireland up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

American Airlines connects California to Ireland with 12 flights per week and both British Airways and Aer Lingus also offer 12 flights per week.

There are 6 airports in Ireland. The busiest airport is Dublin Airport (DUB), with 85% of all flights arriving there.

Prices will differ depending on the departure airport, but generally, the cheapest airport to fly to in Ireland is Dublin Airport (DUB), with an average flight price of €537.

Based on KAYAK data, the cheapest day to fly to Ireland is Tuesday when return tickets can be as cheap as €638. On the other hand, the most expensive day to fly is Friday, when return prices are €816 on average.

The cheapest time of day to fly to Ireland is generally in the afternoon, when round-trip flights cost €412 on average. The most expensive time of day to fly to Ireland is generally at night, which is peak travel time and where the average cost of a ticket is €787.

The cheapest ticket to Ireland from California found in the last 72 hours was to Dublin, at €604 return. The most popular route is Los Angeles (LAX) to Dublin (DUB) and the cheapest return airline ticket found on this route in the last 72 hours was €604.

The cheapest month for flights from California to Ireland is February, when tickets cost €550 (return) on average. On the other hand, the most expensive months are May and November, when the average cost of round-trip tickets is €1,165 and €1,139 respectively.

To get a below-average price on the flight from California to Ireland, you should book around 3 weeks before departure. For the absolute cheapest price, our data suggests you should book 5 weeks before departure.

From California, there are direct flights to Ireland from two cities: Los Angeles and San Francisco. Both cities offer 18 direct flights each week.

There are around 6 direct flights from within California to Ireland every day. All flights depart in the evening.

Each week there are around 36 direct flights from within California to Ireland. The most common day for departures is Monday, with 17% of flights taking off on this day.

An average direct flight from California to Ireland takes 18h 07m, covering a distance of 13121 km. The shortest route is Las Vegas (LAS) to Dublin (DUB) with an average flight time of 9h 35m.

There aren’t any medium-haul (3-6 hour flight duration) or short-haul (up to 3 hour flight duration) flights to Ireland. Instead, there are 36 long-haul flights (6-12 hour flight duration), with the most arriving from Los Angeles.

Based on KAYAK flight searches, the most popular destination is Dublin (94% of total searches to Ireland). The next most popular destinations are Shannon (4%) and Cork (2%). Searches for flights to Milltown (Kerry) (0%) and to Knock (0%) are also popular.