Huge kudos to Inghams Ski, who are launching their own ski packages by train. They will offer train travel to France (via Lille) and Austria, Switzerland and Italy (via Paris).
Full details will be released next month and shared here and on www.skilflightfree.org
Although nothing has been confirmed yet, possible timings have been mooted as follows:

France (Saturday to Saturday)

Moutiers (For Courchevel, Les Menuires, Meribel, Val Thorens)
London St Pancras– Lille Europe 07:04 – 09:26
Lille Europe – Lyon Part Dieu 11:03 – 14:00
Lyon – Moutiers 14:50 – 18:10

Moutiers – Lyon Part Dieu 13:17 – 16:10
Lyon Part Dieu – Lille Europe 17:00 – 19:58
Lille Europe – London St Pancras 21:00 – 21:27

Bourg St Maurice (For Val d’Isère, Tignes, Les Arcs, La Rosiere and La Plagne)
London St Pancras– Lille Europe 07:04 – 09:26
Lille Europe – Lyon Part Dieu 11:03 – 14:00
Lyon – Bourg St Maurice 14:50 – 18:45

Bourg St Maurice – Lyon Part Dieu 12:38 – 16:10
Lyon Part Dieu – Lille Europe 17:00 – 19:58
Lille Europe – London St Pancras 21:00 – 21:27

Austria (Saturday to Saturday)

St Anton Station
London St Pancras – Paris Nord 08:01 – 11:20
Paris Lyon – Zurich HB 14:15 – 18:26
Zurich HB – St Anton 18:40 – 21:01

St Anton – Zurich HB 08:57 – 11:20
Zurich HB – Paris Lyon 11:34 – 15:40
Paris Nord – London St Pancras 17:13 – 18:30

Italy (Sunday to Sunday)

Oulx (For Sauze D’Oulx and Sestriere)
London St Pancras – Paris Nord 09:31 – 12:47
Paris Lyon – Oulx 14:45 – 19:23

Oulx – Paris Lyon 08:36 – 13:16
Paris Nord – London St Pancras 15:13 – 16:30

Switzerland (Saturday to Saturday)

Zurich (For Davos, Klosters, St Moritz, Wengen, Mürren)
London St Pancras – Paris Nord 09:31 – 12:58
Paris Lyon – Zurich HB 14:22 – 18:26

Zurich HB – Paris Lyon 13:34 – 17:38
Pairs Nord – London St Pancras 19:12 – 20:30

Lausanne (For Saas Fee, Zermatt)
London St Pancras – Paris Nord 06:31 – 09:48
Paris Lyon – Lausanne 11:56 – 15:37

Lausanne – Paris Lyon 13:45 – 17:42
Paris Nord – London St Pancras 19:12 – 20:30