The upgrade price is determined by other travellers also participating in the auction. Seatfrog is a live auction so, once the ‘opening price’ has been passed, the upgrade is available to win. It is worth keeping in mind that:
- It’s free to bid - you only pay if you win.
- No transaction fees - you only pay your winning bid amount, there are no additional fees to surprise you.
- Your upgrade ticket is loaded into the Seatfrog app - just show this to the train manager together with your original ticket.