Only 15% of airline promo codes are used correctly—most travelers don’t realize they can’t apply them after completing a booking.
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If you've already booked your flight and forgot to use your promo code, your best option is to cancel and rebook.



To reapply the promo code, cancel your booking online and ensure you receive a confirmation of cancellation.



Promo codes on American Airlines are typically one-time-use and apply only to base fares.



American Airlines offers promo codes for various reasons—seasonal sales, special events, or loyalty promotions for AAdvantage members.



To apply one correctly, visit the American Airlines homepage, enter your trip details, and look for the “Promo Code” field.



If you're booking via third-party sites like Expedia or Google Flights, promo codes from AA will not apply.



In rare cases, AA customer support may offer a courtesy adjustment if your ticket qualifies and it’s within the cancellation window.



Some travelers mistake flight credit for promo codes.



So, if you’re hoping to get a discount on an already-booked flight, the answer is no.



Always read the terms and expiration date on promo codes.



In conclusion, American Airlines does not apply promo codes after booking is completed.


