Timetable
Train route
Cheap train tickets
UK Trains New User Gifts 2% off trains-
2% OFF
Jun 19, 2024-Jun 20, 2026
Carmarthen to Heathrow Terminal 3 train prices and times
Planning a journey from Carmarthen to Heathrow Terminal 3? Trip.com offers train tickets starting from as low as US$ 60.11, with average prices for this route around US$ 78.05. To ensure you get the most affordable fares, we suggest exploring alternatives like split tickets.
| Departs | Arrives | Operator | Find Tickets |
|---|---|---|---|
16:19 Carmarthen | 20:51 Heathrow Terminals 2 & 3 |  Elizabeth line | Find Tickets |
16:19 Carmarthen | 20:55 Heathrow Terminals 2 & 3 |  | Find Tickets |
16:32 Carmarthen | 20:51 Heathrow Terminals 2 & 3 |  Elizabeth line | Find Tickets |
16:32 Carmarthen | 20:55 Heathrow Terminals 2 & 3 | | Find Tickets |
16:56 Carmarthen | 21:40 Heathrow Terminals 2 & 3 | | Find Tickets |
16:56 Carmarthen | 21:51 Paris | Elizabeth line | Find Tickets |
Carmarthen to Heathrow Terminal 3 train route details
First train
04:38
Last train
22:42
Journey time
4h 6m
Distance
269 km
Price
US$ 60.11*
How to book cheap train tickets from Carmarthen to Heathrow Terminal 3
Travelling in off-peak train times
Taking advantage of Off-Peak train tickets is another effective way to save on your train journey from Carmarthen to Heathrow Terminal 3. These tickets are generally cheaper and can be used during quieter periods, typically outside of morning (06:30-09:30) and evening (16:00-19:00) rush hours on weekdays.
Using the Railcard for 1/3 off
Railcards offer discounts of up to 1/3 on most tickets. There are various types of Railcards catering to different types of travellers, such as the 16–25 Railcard, the Family & Friends Railcard, and the Senior Railcard. For more information on Railcards and how they can help you save, visit Railcards here.
Split Tickets to save an average extra 30%
Splitting tickets involves buying separate, cheaper tickets for different parts of your journey on the same train instead of just one ticket for the entire trip. For instance, if you're travelling from Carmarthen to Heathrow Terminal 3, you might find that purchasing a ticket from A to C, then C to B costs less than a direct ticket. This method is perfectly legal and often doesn’t require leaving your seat.
Book in advance to save an average of 61%
Advance Tickets are usually released up to 12 weeks before the travel date and can be significantly cheaper than tickets purchased closer to departure. By planning your trip from Carmarthen to Heathrow Terminal 3 ahead of time and securing your tickets early, you can save up to 61% on the cost of your travel.
Group travels to save 1/3
If you are travelling in a group of three to nine people, take advantage of group travel discounts, offered by most train companies, for a discount of up to 1/3 on standard fares. This can make travelling from Carmarthen to Heathrow Terminal 3 more affordable for families, friends, or colleagues planning a trip together.
Carmarthen to Heathrow Terminal 3 train ticket types
Save money on your trip from Carmarthen to Heathrow Terminal 3 with suitable train tickets. It's a great way to spend less!
Off-Peak & Super Off-Peak train tickets
Off-peak tickets are cheaper and offer more flexibility for travel during less busy times. Super Off-Peak tickets are even cheaper and suitable for unconventional schedules.
Return train tickets
Valid for both an outward and return journey from the same destination on your chosen route.
Advance train tickets
Typically, the most cost-effective option for train travel. They are usually available for purchase 12 weeks before the travel date.
Season train tickets
Season tickets allow unlimited travel between two stations and can save you more than 1/3 on train fares.
Why Book Train Tickets With Trip.com?
Best Price Promise
If you find trains for a cheaper price elsewhere, let us know and we'll refund the difference*
Split Tickets
Save an average of 30% on train fares by splitting your Carmarthen to Heathrow Terminal 3 journey
National Rail Partners
Official train ticket sellers with 5-star customer service
No Booking Fees on the App
Only pay for your train travel – no hidden fees
Recommendations
Trains from Carmarthen
Trains to Heathrow Terminal 3
Popular Routes
Top Destinations
Popular stations
- Carmarthen to Manchester
- Carmarthen to Swansea
- Carmarthen to London Paddington
- Carmarthen to Heathrow Terminals 2 & 3
- Carmarthen to London Liverpool Street
- Carmarthen to London Victoria
- Carmarthen to Birmingham New Street
- Carmarthen to Cardiff Central
- Carmarthen to London
- Carmarthen to Cardiff Queen Street
- Carmarthen to St Andrews Road
- Carmarthen to London Bridge
- Carmarthen to Bath Spa
- Carmarthen to Newport
- Carmarthen to Bath
- Carmarthen to Reading
- Carmarthen to London Waterloo
- Carmarthen to Leeds
- Carmarthen to Tenby
- Carmarthen to Bristol
*After comparing the full year of 2023 for Split tickets and full-price tickets on Trip.com, the average savings rate for Split tickets is 30%.