$398 Cheap Aer Lingus flights New York (JFK) to Shannon (SNN)

Apply the “Price (lowest to highest)” filter on Expedia to find cheap Aer Lingus return flights from $342 from JFK to SNN. Affordable one-way fares from $398 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.

Aer Lingus flights to Shannon are often more affordable in the low-season months of January and February. Whether you’re in search of a round-trip or one-way ticket, you could score a better deal then.

Search for Aer Lingus flights from JFK to SNN about one month before you want to go. The most affordable time to reserve an international flight is usually 18 to 29 days ahead of your travel date when you can save 17% versus booking four to five months in advance. Regardless of fare class and itinerary, the best day of the week to book international airfare is usually Sunday. Friday is often the most expensive. Passengers booking on a Sunday can save an average of 17% compared to those who book on a Friday.**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.

Click on the “Nonstop” filter when looking for direct Aer Lingus flights from JFK to SNN. It’s also a great way to compare other carriers servicing the same nonstop route.

Sort your results by “Morning” and “Early Morning” to browse the earliest departures from JFK to SNN. Setting off early means you’re 20% 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.

Board an Aer Lingus flight from John F. Kennedy Intl. Airport (JFK) to Shannon, and you’ll most likely arrive at Shannon Airport (SNN). This is the airline’s primary hub in this city.

Aer Lingus lets passengers bring 1 checked-in bag weighing up to 50 lb with maximum dimensions of 62 inches on standard economy flights from JFK to SNN. Additionally, you can bring 1 cabin bag with you in the cabin. This carry-on luggage must not exceed 21 inches x 15 inches x 9 inches and weigh no more than 22 lb. Baggage rules can vary depending on the cabin class and fare type, so double-check your booking or Aer Lingus’s website to avoid paying additional costs at the airport.

Aer Lingus makes flying from JFK to SNN more comfortable with a rewarding loyalty program and a 4-star airline rating. You may even earn points with Aer Lingus AerClub. Don’t forget 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.

Changes are generally free within 24 hours of making your booking, but your airline may charge you after that time. For more details about modifying your flights, head to your “Trips,” select your flight and click on “Manage Booking.” If you’d like the flexibility to update your itinerary without additional charges, tick the “No cancel fee” or “Changes included” filter when organizing your next break.