On SBB.ch:
Enter your promotional code on sbb.ch/en/buy in the ‘Enter promotional code’ field and click on ‘Redeem’. Follow the steps in the instructions given.
Alternatively, you can also enter the promotional code in the basket directly before clicking on ‘Purchase’ (step 3: Payment) in the ‘Payment method (e-voucher / promotional code)’ field.
Please check that the value of your promotional code was deducted before you commit to making the purchase. After your purchase is made, you can no longer use your promotional code towards it.
Please note that some promotional codes can only be redeemed against certain offers.
In the SBB Mobile app:
Scroll right down in the ‘Ticket options’ page before making your payment and enter the code under ‘Redeem promotional code’. Follow the steps in the instructions given.
Please check that the value of your promotional code was deducted before you commit to making the purchase. After your purchase is made, you can no longer use your promotional code towards it.
Please note that some promotional codes can only be redeemed against certain offers.