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London St Pancras International to Heathrow Terminal 3 train prices and times

Looking to travel from London St Pancras International to Heathrow Terminal 3? You can buy train tickets with Trip.com for as low as 37.80 AZN, with average prices for this route around 37.80 AZN.

To get the best deals, we' d recommend buying in advance and researching alternatives such as split tickets.

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Departs	Arrives	Operator	Find Tickets
18:02 50m, No direct London St Pancras International	18:52 Heathrow Terminals 2 & 3	Elizabeth line	Find Tickets
18:12 48m, No direct London St Pancras International	19:00 Heathrow Terminals 2 & 3	Elizabeth line	Find Tickets
18:15 51m, No direct London St Pancras International	19:06 Heathrow Terminals 2 & 3	Elizabeth line	Find Tickets
18:32 49m, No direct London St Pancras International	19:21 Heathrow Terminals 2 & 3	Elizabeth line	Find Tickets
18:42 47m, No direct London St Pancras International	19:29 Heathrow Terminals 2 & 3	Elizabeth line	Find Tickets
18:45 51m, No direct London St Pancras International	19:36 Paris	Elizabeth line	Find Tickets

London St Pancras International to Heathrow Terminal 3 train route details

First train

03:34

Last train

23:02

Departure station

London St Pancras International

Arrival station

Heathrow Terminal 3

Journey time

44m

Distance

15 miles

Price

37.80 AZN*

Train Operators

Elizabeth line, Thameslink

How to book cheap train tickets from London St Pancras International to Heathrow Terminal 3

Season Tickets for frequent travels

For frequent travellers between London St Pancras International and Heathrow Terminal 3, consider a Season Ticket, providing unlimited travel between specified stations for different durations, such as weekly, monthly, annually, or flexi. Alongside substantial savings, enjoy the convenience of not having to buy a ticket for each journey.

Network Railcard for Southeast England

For only a small annual fee, you can save 1/3 on most fares in Southeast England, including routes in and out of London, with the Network Railcard. Covering both standard and off-peak tickets, this railcard is particularly beneficial for those who travel regularly within this region.

Travelling in off-peak train times

We recommend buying train tickets from London St Pancras International to Heathrow Terminal 3 during off-peak hours. These times are usually before 06:30, between 09:30 and 16:00, and after 19:00 on weekdays, as well as all day on weekends and bank holidays. Choosing Off-Peak train tickets means benefiting from cheaper fares and less crowded trains, making your journey more enjoyable.

Using the Railcard for 1/3 off

You can choose a Railcard to help you save up to 1/3 on fares from London St Pancras International to Heathrow Terminal 3 for various reasons, such as your age (including the 16-25 Railcard or Senior Railcard) or options geared towards group travel (Family & Friends Railcard and Two Together Railcard). Discover more here.

Split Tickets to save an average extra 30%

Another option to consider is splitting your tickets, which can save you around extra 30% on fares. Instead of purchasing a direct ticket from London St Pancras International to Heathrow Terminal 3, you can split the route into two legs: A to C and C to B. This often turns out to be more affordable than buying a direct ticket, and you won’t even need to leave the train… or often 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 London St Pancras International 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, be sure to check out group travel discounts. Many train companies offer a ⅓ off standard fares for groups of three to nine people, making travelling from London St Pancras International to Heathrow Terminal 3 more affordable for families, friends, or colleagues planning a trip together.

London St Pancras International to Heathrow Terminal 3 train ticket types

There are various ticket types available for this route, each with different benefits and restrictions. Explore below to see which ticket type is best suited to your travel needs:

Off-Peak & Super Off-Peak train tickets
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These two types of tickets are specifically for use during off-peak and super off-peak times, with cheaper prices, making them suitable for those who enjoy leisure travel.
Return train tickets
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These are valid for both the outward and return journey from the same destination on your chosen route.
Advance train tickets
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As one of the most cost-effective ticket options available, purchasing up to 12 weeks in advance can save you a considerable amount of money.
Season train tickets
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It’s a type of train ticket that allows unlimited travel within two stations for a week, a month, or a year. What’s more, it can save you more than 1/3 on train fares.

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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 London St Pancras International to Heathrow Terminal 3 journey
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No Booking Fees on the App
Only pay for your train travel – no hidden fees

*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%.

Trains from London St Pancras International to Heathrow Terminal 3 from 37.80 AZN

Save an average of 30%* with Split Tickets

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London St Pancras International to Heathrow Terminal 3 train prices and times

London St Pancras International to Heathrow Terminal 3 train route details