City to city
London to Cardiff by train
London St Pancras International → Cardiff Central
- Fastest
- ≈ 2h 42m
- Typical
- ≈ 2h 49m
- Direct trains
- No
- Fewest changes
- 1
- Operators
- London Underground (TfL), GWR, London Buses
Trains link London (London St Pancras International) and Cardiff (Cardiff Central) in about 2h 42m at best, with at least 1 change along the way.
How long does the train from London to Cardiff take?
The fastest trains cover London to Cardiff in about 2h 42m; a typical journey takes around 2h 49m.
Is there a direct train from London to Cardiff?
Usually not; expect at least 1 change on this journey.
Legendary routes through London or Cardiff
- Eurostar London → Paris
- LNER Azuma London → Edinburgh
- Caledonian Sleeper London → Fort William
- Avanti West Coast London → Glasgow
Sleepers too: night trains from London.
More trains from London
- London → Reading ≈ 23 min · direct
- London → Cambridge ≈ 49 min · direct
- London → Oxford ≈ 50 min · direct
- London → Brighton ≈ 58 min · direct
- London → Bath ≈ 1h 13m · direct
- London → Southampton ≈ 1h 14m · direct
More train routes in United Kingdom · France.
Journey figures are typical values sampled from public European schedule data; exact times vary by day. Always check the operator when booking.