Can I use more than one voucher per trip? 02 April 2019 15:26 Updated Only one voucher can be used per trip. Unfortunately, vouchers and/or special promotions cannot be combined. Related articles Can I save my voucher for a later date? I did not mean to use my voucher; can it be refunded? Can use FREE NOW if I don't order with the app? My voucher is going to expire; can it be extended? When do I receive my receipt?