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Aer Lingus is classified under MCC 4511 (Airlines, Air Carriers ( not listed elsewhere)). The best card for Aer Lingus purchases is the Sapphire Reserve ($795/yr annual fee), earning 10x on airlines, air carriers ( not listed elsewhere) — an effective return of 20.50%.
MCC 4511 covers airline spending, which is a key category for maximizing travel rewards if you're a frequent flyer like with Aer Lingus.
Pro Tip
To maximize your rewards, book Aer Lingus flights through American Express travel for additional perks and benefits.
Spending Math
If you spend $200/month on Aer Lingus flights with the Sapphire Reserve card at 10x points, you earn $240 annually compared to just $24 from a basic 1% cash back card.
When you pay at Aer Lingus at their locations, your card issuer sees MCC 4511 in the transaction data. This code tells your bank that the purchase was made at a airlines, air carriers ( not listed elsewhere) merchant. Bonus reward rates on your card apply based on this MCC — not the merchant name itself.
If your card earns bonus points on "airlines, air carriers ( not listed elsewhere)" purchases, Aer Lingus transactions will qualify — even if your card terms only mention a category name and not Aer Lingus specifically. The key is that the MCC matches your card's bonus category definition.
You can verify the MCC on any Aer Lingus transaction by checking your card's mobile app or statement. Some issuers display the merchant category alongside the transaction details. For the most accurate information, contact your card issuer's customer service and ask whether MCC 4511 qualifies for bonus rewards.
About MCC 4511: Airlines, Air Carriers ( not listed elsewhere)
Merchant Category Code 4511 is assigned by card networks (Visa, Mastercard, Amex, Discover) to classify businesses in the Airlines, Air Carriers ( not listed elsewhere) industry. Issuers use MCCs to determine which transactions qualify for bonus reward rates. When a merchant is assigned MCC 4511, all qualifying card programs that include airlines, air carriers ( not listed elsewhere) as a bonus category will apply the elevated earn rate.
The Transportation industry group encompasses several related MCCs. Not all merchants in a similar business will share the same MCC — for example, a grocery store inside a warehouse club may code as wholesale ({"5300"}) rather than grocery ({"5411"}). Always verify with your issuer if you're unsure whether a specific merchant qualifies for bonus rewards on your card.
Other Airlines, Air Carriers ( not listed elsewhere) Merchants (MCC 4511)
Spending $200/month at Aer Lingus with the Sapphire Reserve (10x on airlines, air carriers ( not listed elsewhere)) earns approximately $240/year in rewards. A basic 1% card earns $24 on the same spending. After the $795 annual fee, that is $-555 more per year.
Prefer no annual fee? The Double Cash earns 5x at Aer Lingus merchants, earning $120/year with no annual fee.
Frequently Asked Questions
What MCC code does Aer Lingus use?
Aer Lingus uses MCC 4511 (Airlines, Air Carriers ( not listed elsewhere)). Our top pick for this MCC is the Sapphire Reserve, which earns 10x (20.50% effective return) on airlines, air carriers ( not listed elsewhere) purchases.
How much can I earn at Aer Lingus with the right credit card?
Spending $200/month ($2400/year) at Aer Lingus with the Sapphire Reserve ($795/yr annual fee) earns approximately $240/year at 10x. A basic 1% card earns $24 on the same spending — that is $216 more per year with the right card.
Is Aer Lingus classified as airlines, air carriers ( not listed elsewhere) for credit card rewards?
Yes. Aer Lingus is classified under MCC 4511 (Airlines, Air Carriers ( not listed elsewhere)) by Visa and Mastercard. Cards that list 'airlines, air carriers ( not listed elsewhere)' as a bonus category — such as the Sapphire Reserve — will apply the elevated earn rate at Aer Lingus.
Does my credit card earn bonus rewards at Aer Lingus?
If your card includes airlines, air carriers ( not listed elsewhere) in its bonus categories, then yes — Aer Lingus's MCC 4511 typically qualifies. The Sapphire Reserve earns 10x here. Check your card's app or call your issuer to confirm your specific card's category mapping.
What other stores are in the same category as Aer Lingus (MCC 4511)?
MCC 4511 (Airlines, Air Carriers ( not listed elsewhere)) is shared by many similar businesses. Other stores in this category include: Aegean Airlines, Aeromexico, Air Arabia, Air Canada. The same credit card bonus rate applies at all of these merchants.
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Full disclosure
MCC data based on card network classification standards.
Rankings verified monthly from official card issuer terms.
Last verified: April 26, 2026.
Full methodology: www.pointspick.com/methodology.
