€228 Find Cheap Flights from California to Ireland – Compare and Save

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 19 flights per week and both British Airways and Aer Lingus also offer 19 flights per week.

There are 6 airports in Ireland. The busiest airport is Dublin Airport (DUB), with 87% of all flights arriving there.

Based on KAYAK data, the cheapest day to fly to Ireland is Friday when return tickets can be as cheap as €443. On the other hand, the most expensive day to fly is Friday, when return prices are €443 on average.

The cheapest time of day to fly to Ireland is generally at night, when retur flights cost €885 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 €885.

The cheapest ticket to Ireland from California found in the last 5 days was to Dublin, at €566 return. The most popular route is Los Angeles (LAX) to Dublin (DUB) and the cheapest return ticket found on this route in the last 5 days was €566.

The cheapest month for flights from California to Ireland is November, when tickets cost €413 (return) on average. On the other hand, the most expensive months are June and July, when the average cost of round-trip tickets is €595 and €515 respectively.

To get a below-average price on a flight from California to Ireland, you should book around 5 weeks before departure, which saves you about 17% compared to booking last-minute. For the absolute cheapest price, our data suggests you should book 17 weeks before departure.

From California, there are direct flights to Ireland from 2 cities. The city with the most direct flights is San Francisco, with 40 direct flights each week.

There are around 11 direct flights from within California to Ireland every day. Most flights (79%) depart in the evening.

Each week there are around 76 direct flights from within California to Ireland. The most common day for departures is Monday, with 21% of flights taking off on this day.

An average direct flight from California to Ireland takes 18h 41m, covering a distance of 13121 km. The shortest route is Las Vegas (LAS) to Dublin (DUB) with an average flight time of 9h 50m.

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 76 long-haul flights (6-12 hour flight duration), with the most arriving from San Francisco.

Based on KAYAK flight searches, the most popular destination is Dublin (93% of total searches to Ireland). The next most popular destinations are Shannon (4%) and Cork (3%). Searches for flights to Milltown (Kerry) (1%) and to Knock (0%) are also popular.