Take this super-quick survey (8 multiple choice questions) and enter your email address to receive a 20% off voucher to use on your next in-flight tax and duty-free purchase on an international Delta flight.
The voucher must be printed and presented onboard your next flight. Expiry is November 1st 2014.
Terms and Conditions
This voucher is good for one time use only. Offer subject to change without notice. This voucher may not be redeemed for cash and has no residual redemption value. Must be used in one transaction and may not be combined with other coupons/promotions. Only original vouchers will be accepted and will not be replaced if lost or stolen. Valid only onboard Delta-operated international flights when Duty Free service is available. Submit to your flight attendant at the time of purchase.