Cheap flights from Dublin to Philadelphia from €335

The cheapest month to fly to Philadelphia from Dublin is in March. Flight prices, which tend to average around €399, are often lower during this time because this is during the off-season. If you don’t want to visit Philadelphia in March, then you should wait until April to fly from Dublin, when ticket prices are also cheap, with an average price of €474.

The cheapest day to depart from Dublin to Philadelphia is on a Friday. Travellers who choose to depart for Philadelphia on a Friday will often find tickets for as low as €606. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around €751. These prices are subject to change though, so be sure to set up a Price Alert for flights to Philadelphia.

Flying to Philadelphia from Dublin in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as €606 when looking at flights departing in the afternoon. Flights at midday are often more expensive, with an average ticket price of €728.

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

You are more likely to see cheaper flights to Philadelphia from Dublin when booking weeks ahead of your departure date. In general, you can expect to find flights to Philadelphia for around €560 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Philadelphia from Dublin for as low as €438 on momondo.

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

You could potentially save up to 48% on your flight if you consider stops on a Dublin to Philadelphia flight.

As of September 2026, prices for Dublin to Philadelphia flights are approximately 33% cheaper when compared to flights at the same time last year.

Delta is the most popular carrier operating from Dublin to Philadelphia

Aer Lingus, Finnair and KLM are the top three most popular airlines that fly to Philadelphia from Dublin according to our data. Aer Lingus is the first choice among our users, with 63% of people opting to fly with this airline when travelling to Philadelphia. Keep in mind that there are 13 different airlines that fly to Philadelphia on a routine basis, so you have a few additional options to choose from.

Historically, on average around 14% of flights between Dublin and Philadelphia have experienced a delay on any given week. The average delay length over the past 12 months has been 138 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights departing in the early afternoon have, in the past, seen delays more frequently in comparison.

Tuesday is statistically the day of the week that experiences the fewest delays on this flight route. Monday has historically seen more delays on average compared to the rest of the week.

According to our data, American Airlines have had the fewest delays on this route over the last 12 months, with about 14% of their flights experiencing any sort of delay.

As of September 2026, 9 flights take off from Dublin and land in Philadelphia each day. The most common flight departure time for this route is 09:00, with 50% of daily flights taking off at midday.

65 flights are operational weekly from Dublin to Philadelphia as of September 2026. The most popular departure day for this route is Mon, with 15% of flights per week taking off on this day.