Aer Lingus Promo Codes December 2025
- 20% OffPromo
Up to 20% Off Flights and Bags with this Aer Lingus Promo
- up to 30% OffPromo
Get Up to 30% Off Sale The Aer Lingus Sale at Aer Lingus
- up to 25% OffPromo
Enjoy Up to 25% off Irish Flights with Aer Lingus Discount
- Never miss a greatAer Linguscoupon, and so many more!
- Great DealPromo
Enjoy Great American Getaways at Aer Lingus
- Don't MissPromo
Fly Across the Irish Sea from £49.99 at Aer Lingus
- APP ONLYPromo
Grab the Play App for In-Flight Entertainment at Aer Lingus
- Great DealPromo
Enjoy Great American Getaways at Aer Lingus
The most popular Aer Lingus Promo Code for December 2025
| Voucher Code Description | Discount Type | Expiry Date |
|---|---|---|
| Fly Across the Irish Sea from £49.99 at Aer Lingus | Online Deal | 17 Dec 2025 |
| Enjoy Great American Getaways at Aer Lingus | Online Deal | 30 Dec 2025 |
| Enjoy Up to 25% off Irish Flights with Aer Lingus Discount | Online Deal | 30 Dec 2025 |
| Get Up to 30% Off Sale The Aer Lingus Sale at Aer Lingus | Online Deal | 30 Dec 2025 |
| Get up to 10% when booking your flight with Avis car hire with Aer Lingus Promo | Online Deal | 30 Dec 2025 |
| Up to 20% Off Flights and Bags with this Aer Lingus Promo | Online Deal | 30 Dec 2025 |
Q & A with Aer Lingus
I would like to make a specialist meal request before flying with Aer Lingus. What do I do?
Meal service is provided on transatlantic flights only. Please use the special meal request form, and Aer Lingus will process it in time for your flight to ensure you enjoy a meal that suits your dietary requirements. You can add special meal requests up to 24 hours before departure by phone, although Aer Lingus recommend sending your request in at least 48 ahead.
What can I bring as cabin baggage with Aer Lingus?
If you’re bringing bags into the aircraft cabin then you’ll need to know exactly what is and isn’t permitted. Bags must be no larger than 55cm by 40cm, with a thickness of no more than 24cm. There a 10kg maximum weight limit on this bag, though you may also bring on board one other smaller item with dimensions no greater than 33cm x 25cm x 20cm.
Can I add sports equipment to my Aer Lingus booking?
Aer Lingus accept many types of sports equipment. Simply visit this page, read the guidelines and use the form provided. This can be done in conjunction with the aer lingus voucher without having any detrimental effect on the deal you have selected.
Can I make a group booking with Aer Lingus?
Group bookings are made online, and parties of up to 25 are permitted.
Can I book a rental car through Aer Lingus?
Aer Lingus have partnerships with Avis Budget Group, giving travellers access to a wide range of rental vehicles in over 11,000 locations worldwide. You can therefore enjoy the most convenient car hire options via cars.aerlingus.com with Avis and Budget who offer a variety of mobility solutions for all travellers, with vehicles ranging in size and specifications to suit any need and budget.
Connecting with Aer Lingus
You can call Aer Lingus on + 353 1 8868505. Lines are open from 8:00am to 6:30pm Monday to Friday, and from 9:00am to 5:00pm weekends and bank holidays.