The cheapest way to the airport. The Aircoach 700 (sold from €8) is 15 minutes quicker for at least €5.40 more, which is not worth it at this party size.
Dublin Bus route 41
41 · Dublin BusPickup, hours & luggage
Boards at. Lower Abbey Street, beside O'Connell Street
The standard cash fare paid to the driver, matching the Travel 90 paper ticket sold in the terminal. With a TFI Leap Card the same journey costs EUR 2.00, with a EUR 6.00 daily cap; children pay EUR 0.65 on Leap against EUR 0.90 in cash.
Luggage. Limited, and not guaranteed. Dublin Bus states it cannot guarantee you will be able to board with luggage.