Heathrow Express
Thameslink
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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 London St Pancras International from Heathrow Airport
It takes an average of 1h 2m to travel from Heathrow Airport to London St Pancras International by train, over a distance of around 15 miles (24 km). There are normally 272 trains per day travelling from Heathrow Airport to London St Pancras International and tickets for this journey start from £16.50 when you book in advance.
| First train | 03:58 | |
|---|---|---|
| Last train | 00:15 | |
| Departure station | Heathrow Airport | |
| Arrival station | London St Pancras International | |
| Journey time | From 45m | |
| Distance | 15 miles (24 km) | |
| Frequency | 272 trains per day | |
| Changes | 1 change | |
| Price | From £16.50 | |
| Train operators |
What are the train times from Heathrow Airport to London St Pancras International?
Get from Heathrow Airport to London St Pancras International in as little as 45 minutes on the fastest trains, so you can make the most of your time.
The average train journey from Heathrow Airport to London St Pancras International takes around 1 hour 2 minutes. There are around 272 trains that operate on this route daily.
As there are no direct trains between Heathrow Airport and London St Pancras International, you'll need to make 1 change.
Trains on this route are operated by Thameslink and Heathrow Express.
Tickets for this journey start from £16.50. 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 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.
Can you take a train directly from Heathrow Airport to London St Pancras International?
How close is Heathrow Airport to London St Pancras International by train?
Is it possible to get from Heathrow Airport to London St Pancras International without flying?
What is the best way to travel from Heathrow Airport to London St Pancras International?
What time does the first train from Heathrow Airport to London St Pancras International leave?
What time does the last train from Heathrow Airport to London St Pancras International leave?
How often are trains from Heathrow Airport to London St Pancras International?
Do you need to book the train from Heathrow Airport to London St Pancras International in advance?
Can you buy return train tickets from Heathrow Airport to London St Pancras International?
How do I find cheap train tickets from Heathrow Airport to London St Pancras International?
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 Heathrow Airport to London St Pancras International start at £16.50§ 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 Heathrow Airport to London St Pancras International 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.