For travel until 3 November:
You can upgrade an existing booking from Standard to Standard Premier/Comfort by spending 600 Club Eurostar points.

Points can only be used on Eurostar trains between our direct destinations.

For travel on or after 4 November:
You can upgrade an existing booking from Eurostar Standard to Eurostar Plus by spending 600 Club Eurostar points.

Points can only be used on Eurostar trains between our direct destinations.

Follow these simple steps: 

1. Log in to your Club Eurostar account  

2. Find the booking you want to upgrade 

3. Select View/Manage booking 

4. Select Upgrade booking from the Booking options menu  

​​​​​​​5. Select Pay with Club Eurostar points

​​​​​​​Just remember that points can only be used to upgrade direct journeys.