Cheap flights from Dublin to Philadelphia from £349

If you aren’t able to travel during the month of March, then book flights to Philadelphia from Dublin during September instead. Flights to Philadelphia in September, while not as cheap as those in March, still average around £375.

Our data shows that Monday is the least expensive day to fly to Philadelphia. Tickets to fly out on this day can be as low as £474. On the other hand, Sunday is the most expensive day to depart from Dublin because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £527.

The cheapest time of day to fly to Philadelphia is in the morning when flights can be purchased for as low as £500. At midday is when there is more demand to fly to Philadelphia, so prices are often more expensive at around £518 per ticket.

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 £446 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 £356 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 19% on your flight if you consider stops on a Dublin to Philadelphia flight.

As of April 2026, prices for Dublin to Philadelphia flights are approximately 16% more expensive when compared to flights at the same time last year.

JetBlue and Finnair are the most popular carriers operating from Dublin to Philadelphia

Aer Lingus, Finnair and Air France 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 66% of people opting to fly with this airline when travelling to Philadelphia. Keep in mind that there are 14 different airlines that fly to Philadelphia on a routine basis, so you have a few additional options to choose from.

Historically, on average around 11% 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 139 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.

Saturday 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 9% of their flights experiencing any sort of delay.

10 flights are operational daily from Dublin to Philadelphia as of April 2026. The most popular departure time for this route is 12:00, with 100% of flights per day taking off in the afternoon.

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