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Outbound fromSarn to Heathrow Airport by train
It takes an average of 3h 42m to travel from Sarn to Heathrow Airport by train, over a distance of around 135 miles (217 km). There are normally 10 trains per day travelling from Sarn to Heathrow Airport and tickets for this journey start from £70 when you book in advance.
| First train | 06:29 | |
|---|---|---|
| Last train | 22:32 | |
| Departure station | Sarn | |
| Arrival station | Heathrow Airport | |
| Journey time | From 3h 12m | |
| Distance | 135 miles (217 km) | |
| Frequency | 10 trains per day | |
| Changes | 2 changes | |
| Price | From £70 | |
| Train operators | Great Western Railway, Heathrow Express, Transport for Wales |
About the train journey from Sarn to Heathrow Airport
Want to travel from Sarn to Heathrow Airport by train? Start your journey with us.
The train from Sarn to Heathrow Airport usually takes 3 hours 42 minutes on average to travel 135 miles (217 km), although the quickest services can take as little as 3 hours 12 minutes. You can expect to find 10 trains per day running on this popular route. You'll need to make 2 changes during the journey to Heathrow Airport, as there currently aren't any direct services on this route. During your journey, you're likely to be travelling with Great Western Railway, Transport for Wales or Heathrow Express, as these are the main train operators on this route.
You can save money on train tickets from Sarn to Heathrow Airport if you book in advance, as tickets usually start from £70.00. You can also travel Off-Peak – tickets are usually cheaper during quieter times on weekdays and weekends – or get a Railcard and save up to 1/3 on eligible journeys for a whole year. Use our Journey Planner at the top of the page to compare ticket prices and get the cheapest fares.
If you want to know more about the journey, scroll up for timetables and live train times, or keep reading for tips on finding cheap tickets and FAQs. Want to go straight to booking? Start a search with us today!
Journey details
Want to know more about your journey from Sarn to Heathrow Airport? We've compiled some of the most frequently asked questions by our customers to help you plan your journey.
How long does the train from Sarn to Heathrow Airport take?
The average journey time by train between Sarn and Heathrow Airport is 3 hours and 42 minutes, with around 10 trains per day. The journey time may be longer on weekends and holidays, so use our Journey Planner on this page to search for a specific travel date.
What's the fastest journey time between Sarn and Heathrow Airport by train?
The fastest journey time by train from Sarn to Heathrow Airport is 3 hours and 12 minutes.
How much does the train from Sarn to Heathrow Airport cost?
Train ticket prices from Sarn to Heathrow Airport can start from as little as £70 when you book in advance. The cost of tickets can vary depending on the time of day, route and class you book and are usually more expensive if you book on the day.
Is there a direct train from Sarn to Heathrow Airport?
No, there are no direct train services from Sarn to Heathrow Airport. Travelling from Sarn to Heathrow Airport by train will require a minimum of 2 changes.
What time does the first train from Sarn to Heathrow Airport leave?
The first train from Sarn to Heathrow Airport leaves at 06:29. Times and services may vary during weekends and holidays.
What time does the last train from Sarn to Heathrow Airport leave?
The last train from Sarn to Heathrow Airport leaves at 22:32. Trains that depart in the early morning hours or very late evening may be sleeper services, time and services may also vary during weekends and holidays.
What's the distance between Sarn and Heathrow Airport by train?
Trains travelling from Sarn to Heathrow Airport cover a distance of around 135 miles (217 km) during the journey.
Cheap train tickets from Sarn to Heathrow Airport
Book in advance
Look out for Advance tickets – they usually come out up to 12 weeks before the departure date and can be cheaper than buying on the day. If you’re here a tad early, sign up for our Advance ticket alert today to get notified when your tickets are released.
Consider a Season Ticket
If you catch this train more than 3 times per week, you could save money with a Season Ticket. With annual, monthly and weekly options available, find out if a season ticket for Sarn to Heathrow Airport is right for you.
Use your Railcard
National Railcards offer a 1/3 off eligible train tickets in the UK and can be a great investment if you travel a few times or more in a year. Find out how you can save with a National Railcard here.
Split your tickets
Download our app to find split tickets — courtesy of SplitSave, our handy feature which 'splits' your train tickets where possible to find you a better deal. Learn more about the clever tech behind split tickets, and how to spot SplitSave discounts in our app.
For more money-saving tips on UK and European train travel, read our cheap train tickets guide.