$512 Cheap Aer Lingus flights Philadelphia (PHL) to Dublin (DUB)

View $512 flight on Mon, Mar 2, 2026Opens in a new window

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$512 Cheap Aer Lingus flights Philadelphia (PHL) to Dublin (DUB)

Prices were available within the past 7 days and start at $512 for one-way flights and $458 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Aer Lingus
Wed, Oct 29 - Tue, Nov 4
PHL
Philadelphia
DUB
Dublin
$458 Roundtrip, just found
$458
Roundtrip
just found
Select Aer Lingus flight, departing Wed, Oct 29 from Philadelphia to Dublin, returning Tue, Nov 4, priced at $458 just found
Aer Lingus
Tue, Aug 12 - Thu, Aug 21
PHL
Philadelphia
DUB
Dublin
$462 Roundtrip, found 6 hours ago
$462
Roundtrip
found 6 hours ago
Select Aer Lingus flight, departing Tue, Aug 12 from Philadelphia to Dublin, returning Thu, Aug 21, priced at $462 found 6 hours ago
Flights from Philadelphia (PHL) to Dublin (DUB)
Origin airport
Philadelphia Intl.
Destination airport
Dublin
Airlines serving
Aer Lingus, Air Canada, Air France, American Airlines, British Airways, Delta, Finnair, Iberia, Icelandair, JetBlue Airways, KLM, Lufthansa, Scandinavian Airlines, Swiss International Air Lines, TAP Portugal, United
Popular airline
Aer Lingus
Distance
3264 mi
Average flight time
11 hours 40 mins

Frequently asked questions

How much is an Aer Lingus flight from Philadelphia Intl. Airport (PHL) to Dublin Airport (DUB)?
Apply the "Price (lowest to highest)" filter on Expedia to search for cheap Aer Lingus round-trip flights from $458 from PHL to DUB. Affordable one-way fares from $512 are also on offer.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from PHL to DUB with Aer Lingus?
Aer Lingus flights to Dublin are usually cheaper in the quieter months of January and February. Whether you need a one-way or round-trip ticket, you could score a better deal then.
What is the cheapest time to book flights from Philadelphia Intl. Airport (PHL) to Dublin Airport (DUB) with Aer Lingus?
To discover affordable flights from PHL to DUB with Aer Lingus, begin your search about one month before your intended departure. You can save 17% when you lock in your international tickets 18 to 29 days ahead instead of booking four to five months in advance. Another tip? Booking on Sunday offers average savings of 17% compared to Friday (the most expensive day).**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does Aer Lingus fly nonstop from Philadelphia Intl. Airport (PHL) to Dublin Airport (DUB)?
To figure out if there's a direct trip from PHL to DUB with Aer Lingus or other carriers, check the "Nonstop" box when browsing for tickets.
What is the earliest Aer Lingus flight from PHL to DUB?
To find the earliest departures from PHL to DUB with Aer Lingus, sort your results by "Early Morning" and "Morning." Booking an early flight usually means you'll experience fewer cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does Aer Lingus fly into in Dublin?
Aer Lingus flights from Philadelphia Intl. Airport (PHL) to Dublin land at Dublin Airport (DUB). This is the main entry point to this destination.
What kind of luggage can I take on an Aer Lingus flight from Philadelphia Intl. Airport (PHL) to Dublin Airport (DUB)?
Aer Lingus allows you to bring 1 checked-in bag weighing up to 50 lb with dimensions not exceeding 62 inches on standard economy flights from PHL to DUB. Additionally, you can take 1 cabin bag with you in the cabin. This hand luggage must not exceed 21 inches x 15 inches x 9 inches and weigh less than 22 lb. Baggage allowances can vary depending on the cabin class and fare type, so check your booking or Aer Lingus's website to avoid extra costs at the airport.
Why fly with Aer Lingus from PHL to DUB?
Offering a 4-star airline rating and a rewarding loyalty program, Aer Lingus is a popular option for many passengers flying from PHL to DUB. Also, if you're an Aer Lingus AerClub and One Key™ member booking through Expedia, you could earn OneKeyCash™* on eligible flights on top of your airline miles, which can be put toward future travel purchases.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my Aer Lingus flight from Philadelphia Intl. Airport (PHL) to Dublin Airport (DUB)?
Depending on your ticket type, a fee is typically charged if you change or cancel your flight more than 24 hours after it's confirmed. To secure plane tickets with more flexibility, select our "No cancel fee" or "Changes included" filter when you search for flights. For additional information on canceling or modifying your reservation, head to "Trips," select your flight and click on "Manage Booking."

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*Available to One Key members.