Cheap flights from Dublin to Pennsylvania from £245

In general, March is the cheapest month to fly from Dublin to Pennsylvania. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £356. If you don’t want to visit Pennsylvania in March, then you should wait until April to fly from Dublin, when ticket prices are also cheap, with an average price of £363.

According to our data, Monday is the cheapest day to fly to Pennsylvania from Dublin. The lowest ticket price found for a Monday departure recently was £456. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Pennsylvania is Sunday, with ticket prices averaging around £540.

Flying to Pennsylvania from Dublin in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as £478 when looking at flights departing in the afternoon. In contrast, the most expensive time of day to depart to Pennsylvania is in the morning when prices are around £498.

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

You are more likely to see cheaper flights to Pennsylvania from Dublin when booking weeks ahead of your departure date. In general, you can expect to find flights to Pennsylvania for around £438 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Pennsylvania from Dublin for as low as £373 on momondo.

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

WestJet, Scandinavian Airlines, and JetBlue are the most popular carriers operating from Dublin to Pennsylvania

Aer Lingus, Finnair and Iberia are the top three most popular airlines that fly to Pennsylvania from Dublin according to our data. Aer Lingus is the first choice among our users, with 48% of people opting to fly with this airline when travelling to Pennsylvania. Keep in mind that there are 7 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 Dublin and Pennsylvania is 32 per day as of February 2026. The most frequent departure time is 11:00, with 100% of daily flights leaving at midday.

As of February 2026, 224 flights take off from Dublin and land in Pennsylvania each week. The most common flight departure day for this route is Mon, with 14% of weekly flights taking off on this day.