There are 2 ways to get from Cardiff to St Mary's by train, ferry, unknown, or plane
Select an option below to see step-by-step directions and to compare ticket prices and travel times in Rome2Rio's travel planner.
Train, ferry, travel
best- Take the train from Cardiff Central to Penzancetrain
- Take the ferry from Marazion to Saint Michaels Mountferry
- Walk from Saint Michaels Mount to Penzanceunknown
- Take the ferry from Penzance to St Mary's Isles Of Scillyferry
10h 30mFly, train, travel
- Fly from Cardiff Airport (CWL) to Newquay Cornwall Airport (NQY)plane CWL - NQY
- Take the train from Truro to Penzancetrain
- Walk from Penzance to St Mary'sunknown
9h 56m
Cardiff Airport (CWL) to Newquay Cornwall Airport (NQY) flights
Comparing Your Travel Options
The distance between Cardiff and St Mary's is 297 miles.
The best way to get from Cardiff to St Mary's without a car is to train and ferry and travel which takes 10h 30m and costs .
It takes approximately 10h 30m to get from Cardiff to St Mary's, including transfers.
There are five+ hotels available in St Mary's.
What companies run services between Cardiff, Wales and St Mary's, Isles of Scilly, England?
There is no direct connection from Cardiff to St Mary's. However, you can take the train to Penzance, walk to Bus Station, take the line 2 bus to The Square, walk to Marazion, take the ferry to Saint Michaels Mount, travel to Penzance, then take the ferry to St Mary's Isles Of Scilly. Alternatively, you can take the train to Barry, walk to Barry Hotel, take the line 304 bus to Cardiff Airport, walk to Cardiff Airport (CWL) airport, fly to Newquay Cornwall Airport (NQY), walk to Newquay Airport, take the line 94 bus to Bus Station, take the bus to Railway Station, walk to Truro, take the train to Penzance, then travel to St Mary's.
- Website
- ryanair.com
Flights from Cardiff Airport to Newquay Cornwall Airport via Dublin
- Ave. Duration
- 4h 12m
- When
- Monday, Friday, Saturday, and Sunday
- Estimated price
- £60–320
- Website
- aerlingus.com
Flights from Cardiff Airport to Newquay Cornwall Airport via Dublin
- Ave. Duration
- 4h 5m
- When
- Thursday and Sunday
- Estimated price
- £80–410
- Phone
- +44 (0)345 7000 125
- [email protected]
- Website
- Great Western Railway (GWR)
Train from Cardiff Central to Penzance
- Ave. Duration
- 5h 42m
- Frequency
- 5 times a week
- Estimated price
- £100–190
- Website
- Great Western Railway (GWR)
Train from Truro to Penzance
- Ave. Duration
- 39 min
- Frequency
- Hourly
- Estimated price
- £10–20
- Website
- Great Western Railway (GWR)
- Phone
- +44 3447 369 123
- [email protected]
- Website
- Cross Country
Train from Truro to Penzance
- Ave. Duration
- 39 min
- Frequency
- Twice daily
- Estimated price
- £11–17
- Website
- Cross Country
_(2).jpg "Train Exterior")
- Phone
- +44 (0)1736 710265
- [email protected]
- Website
- St Michaels Mount Boat
Ferry from Marazion to Saint Michaels Mount
- Ave. Duration
- 5 min
- Frequency
- Every 30 minutes
- Website
- St Michaels Mount Boat
- Phone
- +44 1736 334220
- Website
- islesofscilly-travel.co.uk
Ferry from Penzance to St Mary's Isles Of Scilly
- Ave. Duration
- 2h 45m
- Frequency
- Once daily
- Estimated price
- £11–84
- Schedules at
- islesofscilly-travel.co.uk
- Standard (12+)
- £84
- Child (2-11)
- £47
- Infant (0-1)
- £23
- Pets
- £11
Want to know more about travelling around United Kingdom
Rome2Rio's Travel Guide series provide vital information for the global traveller. Filled with useful and timely travel information, the guides answer all the hard questions - such as 'How do I buy a ticket?', 'Should I book online before I travel? ', 'How much should I expect to pay?', 'Do the trains and buses have Wifi?' - to help you get the most out of your next trip.
Related travel guides
Travelling to the UK: What do I need to know?
Read the travel guide