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Mainz to Cardiff trains

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Trip Overview

The average train between Mainz and Cardiff takes 10h 17m and the fastest train takes 7h 48m. The train service runs several times per day from Mainz to Cardiff. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.

10h 17m
Duration
635 mi
Distance
£280
Average price
Every 4 hours
Frequency

Train

best
  1. Take the train from Frankfurt to Bruxelles Miditrain train 79
  2. Take the train from Brussel-Zuid / Bruxelles-Midi to London St Pancras Intltrain train Eil
  3. Take the train from London Paddington to Cardiff Centraltrain train
9h 17m
£231–429

Mainz to Cardiff train times

Trains run every 4 hours between Mainz and Cardiff. The earliest departure is at 6:14 AM in the morning, and the last departure from Mainz is at 7:35 PM which arrives into Cardiff at 11:40 AM. All services require a transfer at Frankfurt and take an average of 10h 17m. The schedules shown below are for the next available departures.

Departing Thursday, October 8, 2026

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    Arrives next day

    Deutsche Bahn Regio (DB Regional)Deutsche Bahn Intercity (DB IC)EurostarLondon Underground (Tube)Great Western Railway (GWR)17h 6m • 4 changes

Departing Friday, October 9, 2026

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    SüwexDeutsche Bahn Intercity (DB IC)EurostarLondon Underground (Tube)Great Western Railway (GWR)9h 54m • 4 changes

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    vlexxDeutsche Bahn Intercity (DB IC)EurostarLondon Underground (Tube)Great Western Railway (GWR)9h 23m • 4 changes

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    SüwexDeutsche Bahn Intercity (DB IC)EurostarLondon Underground (Tube)Great Western Railway (GWR)9h 23m • 4 changes

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    SüwexDeutsche Bahn Intercity (DB IC)EurostarLondon Underground (Tube)Great Western Railway (GWR)7h 57m • 4 changes
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Departing Saturday, October 10, 2026

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    SüwexDeutsche Bahn Intercity (DB IC)EurostarLondon Underground (Tube)Great Western Railway (GWR)9h 23m • 4 changes

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    SüwexDeutsche Bahn Intercity (DB IC)EurostarLondon Underground (Tube)Great Western Railway (GWR)8h 21m • 4 changes

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    SüwexDeutsche Bahn Intercity (DB IC)EurostarLondon Underground (Tube)Great Western Railway (GWR)9h 22m • 4 changes

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    SüwexDeutsche Bahn Intercity (DB IC)EurostarLondon Underground (Tube)Great Western Railway (GWR)9h 22m • 4 changes
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Departing Sunday, October 11, 2026

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    SüwexDeutsche Bahn Intercity (DB IC)EurostarLondon Underground (Tube)Great Western Railway (GWR)9h 19m • 4 changes

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    SüwexDeutsche Bahn Intercity (DB IC)EurostarLondon Underground (Tube)Great Western Railway (GWR)8h 26m • 4 changes

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    SüwexDeutsche Bahn Intercity (DB IC)EurostarLondon Underground (Tube)Great Western Railway (GWR)9h 20m • 4 changes

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    SüwexDeutsche Bahn Intercity (DB IC)EurostarLondon Underground (Tube)Great Western Railway (GWR)8h 21m • 4 changes
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Departing Monday, October 12, 2026

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    SüwexDeutsche Bahn Intercity (DB IC)EurostarLondon Underground (Tube)Great Western Railway (GWR)9h 23m • 4 changes

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    vlexxDeutsche Bahn Intercity (DB IC)EurostarLondon Underground (Tube)Great Western Railway (GWR)9h 23m • 4 changes

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    SüwexDeutsche Bahn Intercity (DB IC)EurostarLondon Underground (Tube)Great Western Railway (GWR)9h 23m • 4 changes

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    SüwexDeutsche Bahn Intercity (DB IC)EurostarLondon Underground (Tube)Great Western Railway (GWR)7h 57m • 4 changes
  • Show more

Departing Tuesday, October 13, 2026

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    SüwexDeutsche Bahn Intercity (DB IC)EurostarLondon Underground (Tube)Great Western Railway (GWR)9h 23m • 4 changes

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    vlexxDeutsche Bahn Intercity (DB IC)EurostarLondon Underground (Tube)Great Western Railway (GWR)9h 23m • 4 changes

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    SüwexDeutsche Bahn Intercity (DB IC)EurostarLondon Underground (Tube)Great Western Railway (GWR)9h 23m • 4 changes

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    SüwexDeutsche Bahn Intercity (DB IC)EurostarLondon Underground (Tube)Great Western Railway (GWR)7h 57m • 4 changes
  • Show more

Departing Wednesday, October 14, 2026

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    SüwexDeutsche Bahn Intercity (DB IC)EurostarLondon Underground (Tube)Great Western Railway (GWR)9h 23m • 4 changes

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    vlexxDeutsche Bahn Intercity (DB IC)EurostarLondon Underground (Tube)Great Western Railway (GWR)9h 23m • 4 changes

  •  → 

    SüwexDeutsche Bahn Intercity (DB IC)EurostarLondon Underground (Tube)Great Western Railway (GWR)9h 23m • 4 changes

  •  → 

    SüwexDeutsche Bahn Intercity (DB IC)EurostarLondon Underground (Tube)Great Western Railway (GWR)7h 57m • 4 changes
  • Show more

Frequently asked questions

Want to know about travelling from Mainz to Cardiff? We have put together a list of the most frequently asked questions from our users such as: What is the cheapest mode of transport? What is the quickest option? How much do tickets usually cost? and many more.

Map of how to get from Mainz to Cardiff.ExpandLaunch map view
  • Distance: 634.9 mi
  • Duration: 10h 17m

What companies run services between Mainz, Germany and Cardiff, Wales?

You can take a train from Mainz, Römisches Theater to Cardiff Central via Frankfurt, Bruxelles Midi, Brussel-Zuid / Bruxelles-Midi, London St Pancras Intl, King's Cross St. Pancras station, Paddington, and London Paddington in around 9h 17m.

Operators