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Trains from Heathrow Underground to Llandeilo

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Great Western Railway
Transport for Wales

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  1. Home
  2. Train times
  3. Heathrow Underground to Llandeilo

Trains to Llandeilo from Heathrow Underground

First train

06:13

Last train

19:25

Departure stationHeathrow Underground
Arrival stationLlandeilo
Journey time

From 5h 47m

Changes

2 changes

Train operators

Great Western Railway, Transport for Wales

What are the train times from Heathrow Underground to Llandeilo?

Check out the next trains departing from Heathrow Underground to Llandeilo for Tuesday 20th October 2026 using our handy timetable below, including platform and live travel information. You can view the full day timetable or search for a different date here.
DepartsArrivesDuration
06:2811:445h 16m, 2 changes
07:2914:487h 19m, 3 changes
10:3315:535h 20m, 2 changes
11:5918:516h 52m, 3 changes
13:3318:525h 19m, 2 changes
14:2521:457h 20m, 3 changes
19:2805:5310h 25m, 3 changes
21:2906:168h 47m, 2 changes
23:5911:4011h 41m, 3 changes

What do people frequently ask about the train journey from Heathrow Underground to Llandeilo?

Want to know more about your journey from Heathrow Underground to Llandeilo? We've compiled some of the most frequently asked questions by our customers to help you plan your journey.

What's the fastest journey time between Heathrow Underground and Llandeilo by train?

The fastest journey time by train from Heathrow Underground to Llandeilo is 5 hours and 47 minutes.

Can you take a train directly from Heathrow Underground to Llandeilo?

No, there are no direct train services from Heathrow Underground to Llandeilo. Travelling from Heathrow Underground to Llandeilo by train will require a minimum of 2 changes.

How close is Heathrow Underground to Llandeilo by train?

Heathrow Underground and Llandeilo are around 0 miles (0 km) apart. The fastest trains can cover this distance in approximately 5 hours and 47 minutes.

What is the best way to travel from Heathrow Underground to Llandeilo?

To travel from Heathrow Underground to Llandeilo, we think the best way is to take the train! Trains are comfortable and train journeys on this route take around 8 hours and 24 minutes, with the fastest trains taking 5 hours and 47 minutes - take a look at our Journey Planner for more information.

How do I find cheap train tickets from Heathrow Underground to Llandeilo?

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. 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.

2. 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.

3. 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.

4. 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.

5. 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 Heathrow Underground to Llandeilo 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.
† Average savings on advance fares booked at least one week before day of travel vs Anytime fares purchased on day of travel. Subject to availability. Excludes coach.

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