Cheap flights from Philadelphia to Ireland from €231

The month of January is another great option to travel to Ireland, with average flight prices from Philadelphia averaging around €493.

The cheapest day to depart on your flight to Ireland is on a Friday when prices can be found for as low as €694. 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 €729. 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 Philadelphia to Ireland when you can find flight prices for as low as €667. 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 €798.

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

You are more likely to see cheaper flights to Ireland from Philadelphia when booking weeks ahead of your departure date. In general, you can expect to find flights to Ireland for around €633 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 Philadelphia for as low as €581 on momondo.

There are 2 cabin classes available to choose from on Philadelphia to Ireland flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

As of September 2026, there are 10 flights per day flying from Philadelphia to Ireland. The most common time of day flights depart is 18:00, with 100% of flights taking off in the evening.

As of September 2026, there are 70 flights per week flying from Philadelphia to Ireland. The most common day of the week flights depart is Mon, with 14% of flights taking off on this day.