Cheap flights from Ireland to Pennsylvania from $380

The month of March is, on average, the cheapest month to fly to Pennsylvania from Ireland, with most prices found around $453. If you don’t want to visit Pennsylvania in March, then you should wait until May to fly from Ireland, when ticket prices are also cheap, with an average price of $554.

The cheapest day to depart on your flight to Pennsylvania is on a Friday when prices can be found for as low as $534. 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 Monday because tickets tend to average around $795. These prices are subject to change though, so be sure to set up a Price Alert for flights to Pennsylvania.

Our most recent data shows that the best time of day to fly to Pennsylvania is in the afternoon. Flights from Ireland to Pennsylvania during this time can be as low as $633. In contrast, the most expensive time of day to depart to Pennsylvania is at noon when prices are around $721.

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

You are more likely to see cheaper flights to Pennsylvania from Ireland when booking weeks ahead of your departure date. In general, you can expect to find flights to Pennsylvania for around $635 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Pennsylvania from Ireland for as low as $497 on momondo.

There are 3 cabin classes available to choose from on Ireland to Pennsylvania flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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

Aer Lingus, Finnair and Iberia are the top three most popular airlines that fly to Pennsylvania from Ireland according to our data. Aer Lingus is the first choice among our users, with 53% of people opting to fly with this airline when traveling to Pennsylvania. Keep in mind that there are 4 different airlines that fly to Pennsylvania on a routine basis, so you have a few additional options to choose from.

The number of flights available between Ireland and Pennsylvania is 11 per day as of September 2026. The most frequent departure time is 9:00AM, with 59% of daily flights leaving in the afternoon.

As of September 2026, 81 flights take off from Ireland and land in Pennsylvania each week. The most common flight departure day for this route is Mon, with 17% of weekly flights taking off on this day.