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Cheap Flights from Philadelphia (PHL) to Dublin (DUB)

Compare Philadelphia International to Dublin flight deals

Find the cheapest month or even day of the year to fly to Dublin

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Flight deals from Philadelphia International to Dublin

Looking for a cheap last-minute deal or the best return flight from Philadelphia International to Dublin? Find the lowest prices on one-way and return tickets right here.
Dublin.$545 per passenger.Departing Tue, 4 Nov, returning Tue, 11 Nov.Return flight with Aer Lingus.Outbound direct flight with Aer Lingus departs from Philadelphia International on Tue, 4 Nov, arriving in Dublin.Inbound direct flight with Aer Lingus departs from Dublin on Tue, 11 Nov, arriving in Philadelphia International.Price includes taxes and charges.From $545, select.
Dublin.$545 per passenger.Departing Wed, 3 Dec, returning Wed, 10 Dec.Return flight with Aer Lingus.Outbound direct flight with Aer Lingus departs from Philadelphia International on Wed, 3 Dec, arriving in Dublin.Inbound direct flight with Aer Lingus departs from Dublin on Wed, 10 Dec, arriving in Philadelphia International.Price includes taxes and charges.From $545, select.
Dublin.$547 per passenger.Departing Tue, 28 Oct, returning Tue, 4 Nov.Return flight with Aer Lingus.Outbound direct flight with Aer Lingus departs from Philadelphia International on Tue, 28 Oct, arriving in Dublin.Inbound direct flight with Aer Lingus departs from Dublin on Tue, 4 Nov, arriving in Philadelphia International.Price includes taxes and charges.From $547, select.
Dublin.$547 per passenger.Departing Tue, 11 Nov, returning Wed, 3 Dec.Return flight with Aer Lingus.Outbound direct flight with Aer Lingus departs from Philadelphia International on Tue, 11 Nov, arriving in Dublin.Inbound direct flight with Aer Lingus departs from Dublin on Wed, 3 Dec, arriving in Philadelphia International.Price includes taxes and charges.From $547, select.
Dublin.$619 per passenger.Departing Wed, 22 Oct, returning Wed, 29 Oct.Return flight with Aer Lingus.Outbound direct flight with Aer Lingus departs from Philadelphia International on Wed, 22 Oct, arriving in Dublin.Inbound direct flight with Aer Lingus departs from Dublin on Wed, 29 Oct, arriving in Philadelphia International.Price includes taxes and charges.From $619, select.
Dublin.$623 per passenger.Departing Tue, 26 Aug, returning Tue, 2 Sep.Return flight with Aer Lingus.Outbound direct flight with Aer Lingus departs from Philadelphia International on Tue, 26 Aug, arriving in Dublin.Inbound direct flight with Aer Lingus departs from Dublin on Tue, 2 Sep, arriving in Philadelphia International.Price includes taxes and charges.From $623, select.
Dublin.$623 per passenger.Departing Mon, 1 Sep, returning Tue, 9 Sep.Return flight with Aer Lingus.Outbound direct flight with Aer Lingus departs from Philadelphia International on Mon, 1 Sep, arriving in Dublin.Inbound direct flight with Aer Lingus departs from Dublin on Tue, 9 Sep, arriving in Philadelphia International.Price includes taxes and charges.From $623, select.
Dublin.$695 per passenger.Departing Tue, 5 Aug, returning Thu, 21 Aug.Return flight with Aer Lingus.Outbound direct flight with Aer Lingus departs from Philadelphia International on Tue, 5 Aug, arriving in Dublin.Inbound direct flight with Aer Lingus departs from Dublin on Thu, 21 Aug, arriving in Philadelphia International.Price includes taxes and charges.From $695, select.

Find the cheapest month to fly from Philadelphia International to Dublin

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Philadelphia International to Dublin flights are currently cheapest in November.
Jul
from $866
Aug
from $695
Sep
from $623
Oct
from $619
Nov
from $545
Dec
from $545
Jan
from $714
Feb
from $714
Mar
from $714
Apr
from $720
May
from $778
Jun
from $1,572

Direct flights from Philadelphia International to Dublin

Philadelphia International to Dublin: Alternative routes

Compare routes from Philadelphia International to Dublin below. You may find an airport to fly into that's cheaper, faster, or easier than Dublin.

Philadelphia to Dublin: Flight information

The things to know before you go.
Cheapest flight found$545
Cheapest month to flyNovember
Average flight time6 hrs, 37 mins
Most popular airlineAer Lingus
Average flights per week67

Finding cheap flights from Philadelphia International to Dublin: Frequently asked questions

The best price we found for a return flight from Philadelphia International to Dublin is $545. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
6 hours and 37 minutes is the average flight time from Philadelphia International to Dublin.
Aer Lingus, American Airlines and British Airways fly direct from Philadelphia International to Dublin.
As of July 2025, there are 72 flights per week flying from Philadelphia International to Dublin.
The cheapest month to fly from Philadelphia International to Dublin is usually November.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Philadelphia International Airport to Dublin Airport on Tuesday, 4 November 2025.
Yes – the average flight time is 6 hours and 37 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Dublin but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Dublin is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Aer Lingus offers the cheapest flight tickets to Dublin.

Flying from Philadelphia International Airport (PHL) to Dublin Airport (DUB): what you need to know

  • Take a direct flight from Philadelphia International Airport to Dublin Airport and you'll be travelling for an average of 6 hours 35 minutes.

  • Dublin's timezone is UTC+0, making Dublin four hours ahead of Philadelphia.

  • Every week, there are 18 Philadelphia International Airport to Dublin Airport flights. If you'd like to get going early, take the 17:30 Aer Lingus flight. If you'd rather make the most of your time before you fly, the last flight is at 22:25 with American Airlines.

  • To ensure you get on your PHL to DUB flight, allow plenty of time for things like check-in and baggage drop. Turning up two hours ahead of international departures and one hour before domestic flights is the standard rule.

  • During popular months such as August, you'll want to get to the airport earlier than usual. Plan to arrive two hours before domestic departures and four hours ahead of international flights whenever you're flying during peak periods in general.

  • American Airlines is your gateway to discovering Dublin (and perhaps some other exciting parts of Ireland!). Browse the direct flights from Philadelphia International Airport to Dublin Airport offered by this popular airline.

  • The airline with the highest booking volume on this route is American Airlines.

  • American Airlines is the most punctual carrier offering PHL to DUB flights. An impressive 80.77% of its services on this route arrive without delay.

  • If you want to add a stop to your trip, just deselect 'Direct flights only' when searching for your ticket from Philadelphia International Airport to Dublin Airport. Here are the most popular stopovers between PHL and DUB:

    • Logan International Airport

    • London Heathrow Airport

    • Washington Dulles International Airport

How to find the cheapest flights from Philadelphia International Airport (PHL) to Dublin Airport (DUB)

  • Currently, $600 is the cheapest price we've found for a one-way Philadelphia International Airport to Dublin Airport flight. The best price for a return plane ticket is $545. Bear in mind that fares may change due to availability when booking.

  • Book ten months before you travel. After looking at the numbers on our calendar, this is how far you'll want to book ahead to find cheap tickets from PHL to DUB.

  • Plan your trip for September. That's the cheapest month for flights from Philadelphia International Airport to Dublin Airport. If you have flexibility with your dates, use the 'Whole month' tool to find the cheapest price across every month.

  • You don't need to check back in every day to find out if fares have gone down when you set up a Price Alert. We'll notify you as soon as a special offer becomes available on cheap flights from PHL to DUB.

  • Find the right flight for you with the help of the filters. To see the 'Fastest,' 'Best' or 'Cheapest' flights from Philadelphia International Airport to Dublin Airport, use the 'Sort by' function. You can also filter results by arrival and departure times, airline, and number of stops.

Handy information about Philadelphia International Airport (PHL)

  • You'll find PHL at Industrial Highway and Island Road.

  • Of the departures from Philadelphia International Airport, 78.93% arrive on time at their destination.

  • Central Philadelphia to Philadelphia International Airport is approximately 19 kilometres. Depending on traffic, it'll take you about 15 minutes to get there if you're catching a cab, ride-sharing or driving.

  • You can expect a trip time of around 45 minutes when using public transport.

  • Catching an early flight from Philadelphia International Airport to Dublin Airport? Avoid the last-minute rush to the terminal (and sneak in some extra snooze time) by choosing one of these stays near PHL:

Arriving at Dublin Airport (DUB)

Getting from Dublin Airport (DUB) to central Dublin

  • Dublin Airport is roughly 21 kilometres from central Dublin. The drive time takes around 30 minutes.

  • It takes roughly 2 hours 10 minutes if you're travelling by public transport.

When to fly to Dublin Airport (DUB)

  • August is the most popular month for flights from Philadelphia International Airport to Dublin Airport. For a quieter experience, go to Dublin in January.

  • The warmest month in Dublin is July, with temperatures ranging between 10ºC (50ºF) and 20ºC (68ºF). Book your flights from Philadelphia International Airport to Dublin Airport in this month if this is the type of weather you enjoy.

  • January sees average temperatures of between 1ºC (34ºF) and 9ºC (48ºF). Look for cheap tickets from PHL to DUB sometime around then if you want to travel in cooler conditions.

Explore more of Ireland

  • Cork is just one of the many cities in Ireland waiting to be discovered once you've taken in the sights of Dublin. Around 225 kilometres away to the south-west, check out popular attractions including Blarney Castle, Fota Wildlife Park and Titanic Experience Cobh.

  • Around 10 kilometres south-west of Dublin, Tallaght is another essential stop in Ireland. Experience the best of this destination with a visit to Church of the Incarnation, Fettercairn, 3 stuffed bears and Johnson & Perrott Fleet.

Plan the rest of your trip from Philadelphia to Dublin

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.