Trains from Heathrow Airport to London St Pancras International
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Heathrow Airport to London St Pancras International by train
It takes an average of 53m to travel from Heathrow Airport to London St Pancras International by train, over a distance of around 15 miles (24 km). There are normally 207 trains per day traveling from Heathrow Airport to London St Pancras International and tickets for this journey start from $15.82 when you book in advance.
| First train | 04:15 | |
|---|---|---|
| Last train | 23:30 | |
| Departure station | Heathrow Airport | |
| Arrival station | London St Pancras International | |
| Journey time | From 47m | |
| Distance | 15 miles (24 km) | |
| Frequency | 207 trains per day | |
| Changes | 1 change | |
| Price | From $15.82 | |
| Train operators |
How to travel by train from Heathrow Airport to London St Pancras International
Just landed in the UK and need to travel from Heathrow Airport to London St Pancras International by train? Start your journey with us!
On average, it takes around 1 hour and 4 minutes to travel from Heathrow to St Pancras by train, although the fastest services will take you there in just 47 minutes. As there are no direct trains available, you will need to make at least 1 change along the way.
When traveling on this route, you’ll take a Heathrow Express train from Heathrow Airport to London Paddington station. On board, you’ll enjoy amenities such as comfortable seating and free WiFi. Fancy treating yourself? Upgrade to Heathrow Express First Class for comfortable spacious seating, extra legroom, power sockets and a personal table. From London Paddington Station, you can take the London Underground to London St Pancras International station via the Circle or Hammersmith & City line.
London St Pancras International is one of London’s most well-connected stations, with trains waiting to take you to some of the most popular cities in Europe, including Paris, Amsterdam and Brussels. You can travel some of the best cities in the UK from here too, such as Brighton, Cambridge or Sheffield.
If you want to save money on your train tickets, try traveling during Off-Peak times, outside of morning/evening rush hours between Monday and Friday. To save even more, try booking an Advance ticket – they tend to be released 12 weeks before the departure date and are usually cheaper than purchasing tickets on the day of travel.
Ready to book? Start a search for cheap train tickets from Heathrow Airport to London St Pancras International today. There’s no need to wait, just head to our Journey Planner at the top of the page to get started. For more information, continue reading for FAQs, timetables with first and last train times, as well as tips on booking cheap train tickets.
FAQs for Heathrow Airport to London St Pancras International
Want to know more about your journey from Heathrow Airport to London St Pancras International? 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 Heathrow Airport to London St Pancras International take?
The average journey time by train between Heathrow Airport and London St Pancras International is 53 minutes, with around 207 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 Heathrow Airport and London St Pancras International by train?
The fastest journey time by train from Heathrow Airport to London St Pancras International is 47 minutes.
How much does the train from Heathrow Airport to London St Pancras International cost?
Train tickets from Heathrow Airport to London St Pancras International can start from as little as $15.82 when you book in advance and are usually more expensive when purchased on the day. Prices can also vary depending the time of day, route and class you book.
Is there a direct train from Heathrow Airport to London St Pancras International?
No, there are no direct train services from Heathrow Airport to London St Pancras International. Travelling from Heathrow Airport to London St Pancras International by train will require a minimum of 1 change.
What time does the first train from Heathrow Airport to London St Pancras International leave?
The first train from Heathrow Airport to London St Pancras International leaves at 04:15. Times and services may vary during weekends and holidays.
What time does the last train from Heathrow Airport to London St Pancras International leave?
The last train from Heathrow Airport to London St Pancras International leaves at 23:30. 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 Heathrow Airport and London St Pancras International by train?
Trains travelling from Heathrow Airport to London St Pancras International cover a distance of around 15 miles (24 km) during the journey.
Looking for more information?
If you’re looking for the return train journey, check out trains from London St Pancras International to Heathrow Airport.
Cheap train tickets from Heathrow Airport to London St Pancras International
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 Heathrow Airport to London St Pancras International 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.
*Based on the average monthly unique visitors to Trainline’s website from 1.03.2022 to 28.02.2023 vs other independent retailers.