The Flying Scotsman is heading to the capital this week as it begins its journey to Cardiff. 

Celebrating its centenary year the world's most famous steam locomotive often brings in crowds of hundreds in hopes of grabbing a snap of the iconic train. 

The trips from London, organised by The Railway Touring Company, will see the Flying Scotsman travel all over the country including Scotland, Wales and Yorkshire. 

But this week, the train will be leaving London Paddington station and will head towards Wales for the Cardiff Express. 

When you can see the Flying Scotsman in London this week

The journey will kick off on Wednesday, June 7 and will see passengers enjoy a scenic rail tour through the Thames Valley and along the river Severn.

The locomotive will leave London Paddington in the morning as it makes it way towards Slough before joining the GWR main line and stopping at Reading. 

Passengers will be able to see the impressive sites of the South West region before landing in Cardiff for a stay of three hours. 

With time to look around Cardiff Castle, shop and enjoy a tasty meal, passengers on the Flying Scotsman will then head back to the capital. 

Are there tickets left for the Flying Scotsman Cardiff Express?

As you can imagine, tickets for the service were like gold dust however there are still a select few left for this journey. 

Some standard class and limited premier dining are available, however, there is a waiting list in place for First Class. 

Standard class tickets include a reserved seat normally for a table of four whilst premier dining offers a full English breakfast and a four-course dinner on board. 

Timings for the Flying Scotsman journey have not been revealed due to safety reasons.