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Aer Lingus promo codes & deals

October 2026 · Showing offers for United States

1Active offers
—Best discount
Visit aerlingus.com
$480 off
No expiry date

Aer Lingus Sale: US to Dublin round trips from $480

Sale fares from the US to Ireland and Europe, for example Boston to Dublin from $480.33 and Boston to Madrid from $486.54 round trip in economy.

Terms

Example travel dates run from November 2026 to February 2027. Fares change often and may no longer be available. Fares include taxes and fees, a 10kg carry-on, a personal item and a meal. Bag fees may apply.

How to use a Aer Lingus promo code

  1. Tap “Reveal code”. The code is copied and aerlingus.com opens in a new tab.
  2. Add your items to the basket and go to checkout.
  3. Paste the code into the promo or discount code field and apply it.
  4. Check the discount shows up before you pay.