$514 Cheap Aer Lingus flights Philadelphia (PHL) to Shannon (SNN)

Apply the “Price (lowest to highest)” filter on Expedia to search for cheap Aer Lingus round-trip flights from $733 from PHL to SNN. Affordable one-way tickets from $514 are available as well.**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.

Look for one-way or return flights to Shannon in January or February. You could find a cheap fare with Aer Lingus during these off-peak travel months.

Landing the best Aer Lingus deals from PHL to SNN is typically all about timing. You can save 17% on international flights when you book 18 to 29 days before takeoff instead of four to five months ahead. What’s more, you can pocket 17% on average by buying your tickets on a Sunday rather than a Friday, which is usually the most expensive day to book.* It’s smart to kick off your flight search about one month before you plan to travel.*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.

Simply enter your dates, click search and check “Nonstop” on Expedia to browse any direct flights from PHL to SNN with Aer Lingus or other airlines.

Sort your results by “Early Morning” and “Morning” to find the earliest flights from PHL to SNN. Heading off early means you’re less likely to experience 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.

Aer Lingus flights from Philadelphia Intl. Airport (PHL) to Shannon come in to land at Shannon Airport (SNN). This is the main gateway to this city.

For checked luggage, you can take 1 checked-in bag weighing up to 50 lb with dimensions not exceeding 62 inches. You can also travel with 1 cabin bag in the cabin when flying standard economy from PHL to SNN with Aer Lingus. This carry-on must weigh less than 22 lb and be no larger than 21 inches x 15 inches x 9 inches. Exceeding these limits can mean extra fees, so read Aer Lingus’s baggage allowance rules before you begin packing.

Aer Lingus makes flying from PHL to SNN more enjoyable with a 4-star airline rating and a rewarding loyalty program. You even have the chance to collect points with Aer Lingus AerClub. Be sure to join our free One Key™ rewards program to earn OneKeyCash™*, which can be redeemed on future travel.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Depending on the type of ticket you purchased, a fee is typically charged if you modify or cancel your booking more than 24 hours after it has been confirmed. To find plane tickets with more flexibility, select our “No cancel fee” or “Changes included” filter when you look for flights. For more details on changing or canceling your reservation, head to “Trips,” select your flight and tick “Manage Booking.”