Great Western Railway
Transport for Wales
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Each fare is the lowest adult economy ticket fare found by our customers on Trainline. Fares booked further in advance than the dates displayed may be cheaper. Prices are updated daily, subject to change and indicative of price last update. Limited availability. Discount cards and coach journeys excluded, prices exclusive of booking fee.
Trains to Cardiff Bay from Sea Mills
| First train | 09:54 | |
|---|---|---|
| Last train | 20:35 | |
| Departure station | Sea Mills | |
| Arrival station | Cardiff Bay | |
| Journey time | From 2h 14m | |
| Distance | 22 miles (36 km) | |
| Changes | 3 changes | |
| Price | From £12.70 | |
| Train operators |
What are the train times from Sea Mills to Cardiff Bay?
Get from Sea Mills to Cardiff Bay in as little as 2 hours 14 minutes on the fastest trains, so you can make the most of your time.
The average train journey from Sea Mills to Cardiff Bay takes around 5 hours 38 minutes. There are around 0 trains that operate on this route daily.
As there are no direct trains between Sea Mills and Cardiff Bay, you'll need to make 3 changes.
Trains on this route are operated by Great Western Railway and Transport for Wales.
Tickets for this journey start from £12.70. Booking in advance often results in cheaper ticket prices.
With our Journey Planner, you can check live train times, compare prices and check routes.
What do people frequently ask about the train journey from Sea Mills to Cardiff Bay?
Want to know more about your journey from Sea Mills to Cardiff Bay? We've compiled some of the most frequently asked questions by our customers to help you plan your journey.
What is the best way to get from Sea Mills to Cardiff Bay?
When is the first train from Sea Mills to Cardiff Bay?
When is the last train from Sea Mills to Cardiff Bay?
How far in advance can I book tickets from Sea Mills to Cardiff Bay?
How do I find cheap train tickets from Sea Mills to Cardiff Bay?
As most UK train companies increase their prices as the departure date approaches, our Trainline team of experts have put together these tips to help you find the cheapest tickets.
1. Book in advance
Train tickets from Sea Mills to Cardiff Bay start at £12.70§ one way for a Standard Class ticket if you book in advance. UK train companies usually release Advance tickets up to 12 weeks ahead of time, and these can be cheaper than tickets bought on the day of travel.
2. Sign up to Ticket Alert
If you're planning a trip more than 12 weeks ahead, sign up to our Ticket Alert to get notified when Advance tickets are released for your travel date.
3. Use a Railcard
National Railcards offer a 1/3 off eligible train tickets in the UK and can be a great investment if you travel throughout the year. Buy one with us and you'll be able to store it digitally in our app, so you'll always have it on your travels.
4. Book split tickets
Our handy feature SplitSave will 'split' your train journey into multiple tickets, which can be much cheaper than buying a single ticket. Find out more about split tickets.
5. Travel Off-Peak
If you can be flexible with your travel times, Off-Peak and Super Off-Peak tickets are usually cheaper in the UK. Generally, Off-Peak times are any time at weekends and outside of Monday to Friday morning and evening rush hours.
6. Consider a Season Ticket
Best for commuters, if you catch a train on the same route more than 3 times per week, you could save money with a Season Ticket. With annual, monthly, weekly and flexi options available, find out if a Season Ticket for Sea Mills to Cardiff Bay is right for you.
For more money-saving tips on UK and European train travel, read our cheap train tickets guide.
§Advance adult single fare. Excludes booking fee. Prices seen by Trainline customers in the last 30 days. Availability limited.