$10 off flight + ID Card: Promo code discount is $10 flights when purchased in the same transaction as an ISIC or IYTC card on statravel.com. The promo code cannot be redeemed against taxes or fees. Offer may not be combined with any other offers, has no cash value, and may not be applied retroactively. Promo code is void where prohibited by law, and is only available for legal residents of the United States. STA Travel reserves the right to withdraw this offer at any time without prior notice. Youth and student restrictions apply to card purchases. Airfare prices include taxes and fees, but optional costs for baggage, seat assignments and others may apply.