Beat the January Blues with Circle K Extra!
This Blue Monday, January 19th, we’re here to brighten your day and help you save big! As a valued Circle K Extra member, you can enjoy an exclusive 5c/p off every litre of fuel at any participating Circle K or Circle K Express site in the Republic of Ireland and Northern Ireland. All you need to do is fuel up and scan your Extra QR code when you pay to unlock your savings.
There’s no better way to shake off the January blues than by keeping more money in your pocket while you keep your tank full. So, fuel smarter, save bigger, and let Circle K Extra make this Blue Monday the brightest one yet. Don’t miss out – this offer is available from 06:00am to 23:59pm, only on January 19th.
Blue Monday Fuel Offer 19th January - Terms & Conditions
Blue Monday – 5c/p off per litre of fuel offer
1. Offer is not available in conjunction with fuel cards.
2. Offer valid Monday January 19th 2026 only.
3. This offer is only available on Monday January 19th 2026 to Circle K Extra members in the Republic of Ireland & Northern Ireland.
3a. Circle K Extra Members
Circle K Extra members can avail of a 5c/p off per litre of fuel discount from 6:00am – 23:59pm on Monday January 19th 2026 only at participating sites. This offer is available at participating sites across the Republic of Ireland & Northern Ireland. Please review list below of non-participating sites.
4. Max 100 litres for one vehicle fill per customer.
5. The offer is valid for one account per member only. Members may not share their Circle K Extra account with family, friends, or others. Circle K will monitor account usage on the day and reserves the right to suspend accounts that are deemed to be shared or misused.
6. Offer valid on miles and miles PLUS unleaded and diesel only.
7. Vehicle fills only. No filling of fuel storage containers.
8. Subject to availability.
9. Circle K reserve the right to end this promotion at any time without notice.
10. While most Circle K stores are taking part in Blue Monday, we have several stores not participating in the promotion.
11. The discount is available to all Circle K Extra members, taxi drivers and members of our affinity schemes.
Please see full list of non-participating sites here.
Dublin City Centre non-forecourt stores not participating:
Grafton St./ Westmoreland St./ Upper & Lower O’Connell St./ College Green/ Nassau St.