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Trains from Heathrow Airport to London St Pancras International

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  3. Heathrow Airport to London St Pancras International

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 77 trains per day traveling from Heathrow Airport to London St Pancras International and tickets for this journey start from $18.32 when you book in advance.

First train

4:21 am

Last train

10:36 pm

Departure station

Heathrow Airport

Arrival station

London St Pancras International

Journey time

From 30m

Distance

15 miles (24 km)

Frequency

77 trains per day

Changes

1 change

Price

From $18.32

Train operators

Thameslink

About the train journey from Heathrow Airport to London St Pancras International

Want to travel from Heathrow Airport to London St Pancras International by train? Start your journey with us.

The train from Heathrow Airport to London St Pancras International usually takes 53 minutes on average to travel 24 km, although the quickest services can take as little as 30 minutes. You can expect to find 77 trains per day running on this popular route. As there aren't any direct services running between Heathrow Airport and London St Pancras International, you'll need to make 1 change on your way to London St Pancras International.

To help you get the best train deals, we'll highlight the cheapest train ticket prices from Heathrow Airport to London St Pancras International in our Journey Planner. Just remember, the sooner you book your tickets, the more you'll save, as advance tickets start from $18.32.

Keep reading for more information about the train journey to London St Pancras International, including FAQs, timetables with first and last train times and tips on booking cheap train tickets. If you're ready to book, just start a search for tickets with us today.

FAQs 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.

How do I travel from Heathrow Airport to London St Pancras International?

You can get from Heathrow Airport to London St Pancras International in 53 minutes on average, with the fastest trains taking just 30 minutes. Check out our Journey Planner for more details on times, tickets and prices.

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 77 trains per day running on this route. 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.

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 $18.32 when you book in advance and are usually more expensive when purchased on the day. Prices can also vary depending on the time of day, route and class you book.

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 30 minutes.

Cheap train tickets from Heathrow Airport to London St Pancras International

Train tickets from Heathrow Airport to London St Pancras International start at $18.32‡ one way for a Standard Class ticket if you book in advance. As most UK train companies increase their prices as the departure date approaches, we’ll help you find the cheapest tickets.

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.

‡Advance adult single fare. Excludes booking fee. Prices seen by Trainline customers in the last 30 days. Availability limited.

What are my ticket options for this journey?

If you're like us, you've probably seen the sheer number of ticket types available in the UK and wondered "Why are there so many?!" To help, we've put together a handy guide to the main UK ticket types, simply tap the one you’re interested in to find out more.

Advance train tickets

Single tickets released ahead of time for a specific time and date. Generally, the sooner you book, the cheaper these tickets are likely to be.

Anytime train tickets

Flexible tickets that allow you to travel at any time of the day. Perfect if you have to be somewhere but aren’t sure for how long.

First Class train tickets

Fancy traveling in style? Enjoy perks like more spacious seating, complimentary refreshments and lounge access with First Class train tickets.

GroupSave train tickets

Save up to 1/3 when traveling with a group of 3 to 9 people on eligible single or return journeys at Off-Peak or Super Off-Peak times.

Off-Peak and Super Off-Peak train tickets

Available at quieter times of the day, Off-Peak tickets offer the flexibility of traveling at any time during the Off-Peak window and discounted fares.

Return train tickets

Return tickets combine your outward and return journey into a single ticket. Choose from a Day or Open Return ticket for more flexibility on travel dates.

Family train tickets

Traveling with your family? There are plenty of family offers to help you save money, including Kids for a Quid tickets for children aged 5-15 and Off-Peak Family Travelcards.

* Based on European average monthly visitors to Trainline’s app and website from 1.1.2023 to 10.31.2023 vs other independent retailers.

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