No matter what time, date I look at to book London to Paris on Eurostar there is no availability. I am trying to book December 29th London To Paris with the Eurail pass and I get no tickets available. even when I use the https://www.b-europe.com/EN/Booking/Tickets site and look at different times and days even there are no tickets. Seems odd to me that it is so difficult to book seats for this route.
I know Eurail only has so many seat reservations for Eurostar but literally there are ZERO tickets.
First of all, that link is no good for passholder fares, you need to use this exact portal from b-europe
Pass cover number is needed to book from there
On the general availability, it is a busy route at a very busy period with only airlines as competition, running lower capacity than pre-covid and no way of increasing capacity to cope with heavy demand.
We are getting a flurry of people with this issue here, unfortunately it is getting very late to book this route.
To Paris there is 1st class on 1 train on 28th and 2 trains on 31st
To Lille there are 2 trains with 2nd class and 2 with 1st class on the 31st
To Brussels There is a 1st class space on the 06.16 on the 29th and same on the 30th, a 2nd class and a few 1st class on 31.
First availability London-Paris is on 31 December and in 1st class only.
On London-Lille, the first availability is also on 31 December, also for 2nd class.
Book NOW if you want any of these seats.