Cheap flights from Pennsylvania to Ireland from €179

The month of March is another great option to travel to Ireland, with average flight prices from Pennsylvania averaging around €154.

The cheapest day to depart on your flight to Ireland is on a Wednesday when prices can be found for as low as €480. 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 Thursday because tickets tend to average around €648. These prices are subject to change though, so be sure to set up a Price Alert for flights to Ireland.

In the afternoon is the cheapest time of day to fly from Pennsylvania to Ireland when you can find flight prices for as low as €541. Flying to Ireland in the afternoon 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 €774.

Fly from Philadelphia to Dublin for the best Pennsylvania - Ireland flight prices

You are more likely to see cheaper flights to Ireland from Pennsylvania when booking weeks ahead of your departure date. In general, you can expect to find flights to Ireland for around €581 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ireland from Pennsylvania for as low as €501 on momondo.

As of May 2026, there are 62 flights per day flying from Pennsylvania to Ireland. The most common time of day flights depart is 18:00, with 100% of flights taking off in the evening.

As of May 2026, 436 flights take off from Pennsylvania and land in Ireland each week. The most common flight departure day for this route is Mon, with 15% of weekly flights taking off on this day.