Cheap Aer Lingus flights Dublin (DUB) to Killarney (KIR)

Grab budget-friendly return Aer Lingus flights from DUB to KIR by organizing your results from “Price (lowest to highest)” on Expedia. Or look for deals for a one-way journey.**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 Killarney are typically more affordable in the quieter months of January and December. Whether you’re after a round-trip or one-way ticket, you could score a better deal then.

Look for cheap Aer Lingus flights from Dublin Airport (DUB) to Kerry Airport (KIR) one to three months ahead of your departure. Travelers who book domestic flights 34 to 86 days in advance can save 25% compared to those who book just 6 to 12 days ahead. No matter the fare class and journey, the best day to book a domestic flight is generally Sunday and the most expensive day tends to be Monday. Passengers who book on a Sunday can save 6% on average compared to those who book their travel on a Monday.**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.

To find out if there’s a direct trip from DUB to KIR with Aer Lingus or other carriers, use our “Nonstop” filter when looking for flights.

Filter your results by “Morning” and “Early Morning” to browse the earliest departures from DUB to KIR. Leaving 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.

Kerry Airport (KIR) is the main Killarney hub for Aer Lingus flights from Dublin Airport (DUB).

On a standard economy flight with Aer Lingus from DUB to KIR, passengers can bring 1 checked-in bag up to 50 lb with dimensions not exceeding 62 inches in total. For carry-on, you’re permitted 1 cabin bag weighing up to 22 lb and measuring less than 21 inches x 15 inches x 9 inches. Weight and size limits may vary based on the cabin class you’re in and airfare type. To make sure you won’t face additional charges at the airport, double-check your Aer Lingus booking or look up the airline’s website before packing your bags.

Aer Lingus makes flying from DUB to KIR enjoyable with a 4-star airline rating and a rewarding loyalty program. You also have the chance to earn points with Aer Lingus AerClub. Be sure to join Expedia’s 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 a booking, but your airline may charge a fee after that time. For further details about modifying your reservation, head to your “Trips,” select your flight and click on “Manage Booking.” If you want the flexibility to make changes without additional charges, apply the “No cancel fee” or “Changes included” filter when organizing your next trip.