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London to Heathrow Terminal 3 train prices and times

Planning a journey from London to Heathrow Terminal 3? Trip.com offers train tickets starting from as low as £12.30, with average prices for this route around £12.90. To ensure you get the most affordable fares, we suggest exploring alternatives like split tickets.

  • Sat, Jul 12
    From £12.30
  • Sun, Jul 13
    From £12.30
  • Mon, Jul 14
    From £12.30
  • Tue, Jul 15
    From £12.30
  • Wed, Jul 16
    From £12.30
  • Thu, Jul 17
    From £12.30
  • Fri, Jul 18
    From £12.30
DepartsArrivesDurationOperator
Find Tickets
04:37
London Paddington
05:00
Heathrow Terminals 2 & 3
23m, DirectElizabeth line
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04:43
London Paddington
05:06
Heathrow Terminals 2 & 3
23m, DirectElizabeth line
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04:55
London Paddington
05:12
Heathrow Terminals 2 & 3
17m, DirectHeathrow Express
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04:58
London Paddington
05:21
Heathrow Terminals 2 & 3
23m, DirectElizabeth line
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05:09
London Paddington
05:36
Heathrow Terminals 2 & 3
27m, DirectElizabeth line
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05:10
London Paddington
05:28
Paris
18m, DirectHeathrow Express
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London to Heathrow Terminal 3 train route details

First train
First train
04:37
Last train
Last train
23:25
Departure station
Departure station
London
Arrival station
Arrival station
Heathrow Terminal 3
Journey time
Journey time
15m
Distance
Distance
15 miles
Price
Price
£12.30*
Train Operators
Train Operators
Heathrow Express, Elizabeth line

How to book cheap train tickets from London to Heathrow Terminal 3

Season Tickets for frequent travels

Season Tickets for frequent travels

For frequent travellers between London 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

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

Travelling in off-peak train times

We recommend buying train tickets from London 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

Using the Railcard for 1/3 off

You can choose a Railcard to help you save up to 1/3 on fares from London 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%

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 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%

Book in advance to save an average of 61%

Advance Tickets are typically released up to 12 weeks before the travel date and can offer significant savings compared to tickets purchased closer to departure. By planning your trip from London to Heathrow Terminal 3 ahead of time and booking your tickets early, you can potentially save up to 61% on your travel expenses.
Group travels to save 1/3

Group travels to save 1/3

If you are planning a trip with a group of three to nine people, take advantage of ⅓ off standard fares with group travel discounts, offered by many train companies, perfect for journeys with your family, friends, or colleagues.

London to Heathrow Terminal 3 train ticket types

Save money on your trip from London to Heathrow Terminal 3 with suitable train tickets. It's a great way to spend less!

Why Book Train Tickets With Trip.com?

  • Split Tickets

    Best Price Promise

    If you find trains for a cheaper price elsewhere, let us know and we'll refund the difference*

  • Split Tickets

    Split Tickets

    Save an average of 30% on train fares by splitting your London to Heathrow Terminal 3 journey

  • Split Tickets

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*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%.