Fewer crowds, big adventures!

Set your sights on Ireland this September

Travel: September 1 - 30, 2025

Dreaming of Ireland? September is the perfect time to go — smaller crowds, and unforgettable experiences await. Book your escape now! Restrictions apply.

* Terms and conditions:

Fares are only available at aerlingus.com until 6:59 PM ET on 8/5/25. Fares are round trip per person including carrier and government-imposed taxes and fees. Fares are valid for travel between 9/1/25 & 9/30/25. Fares apply to North American originating passengers only. Fares are subject to availability in Economy Class, may not be available on all flights and may not be available during holidays or other peak travel days. Saturday night minimum stay is required. Valid for new bookings only and must be purchased at the time of reservation. Cannot be combined with any other discounts/promotions. Fares shown are valid on scheduled Aer Lingus transatlantic services and are based on Saver fares. All fares, taxes, fees, rules and offers are subject to change or be withdrawn without notice. Book and pay for your reservation on aerlingus.com or the mobile app for best fares. Fares are non-refundable, except that if the reservation is cancelled within 24 hours after it was made, the amounts will be refunded provided the reservation was made one week or more prior to departure. View Baggage and Optional Service Fees. Changes in routing are not permitted. Fares not subject to upgrade to higher classes of service. Other restrictions may apply.