Trains from Heathrow Terminal 3 to London Kings Cross from $19.97*

Arriving in London Kings Cross

With a journey time as short as null, you can reach London Kings Cross from Heathrow Terminal 3, with an average of train per day.

Book cheap train tickets from Heathrow Terminal 3 to London Kings Cross

Let's save unnecessary costs when traveling from Heathrow Terminal 3 to London Kings Cross by taking trains. The best way to find cheap train tickets is through Trip.com. We offer various discounted tips that can guide you towards a more affordable journey, such as using Railcards, Season Tickets, or Split Tickets. Explore the options below for more choices.

Season Tickets for frequent travel

Are you frequently traveling between Heathrow Terminal 3 and London Kings Cross on a weekly, monthly, or annual basis? If so, it's highly recommended to consider getting Season Tickets. This ticket provides you with the convenience of unlimited travel during specific times, allowing you to freely hop on and off trains without worrying about individual ticket bookings. By opting for a Season Ticket, you can save yourself from the hassle of repeatedly purchasing tickets and avoid incurring unnecessary additional costs. It's a cost-effective and time-saving solution for your frequent journeys between Heathrow Terminal 3 and London Kings Cross.

Get 1/3 off with a Railcard

Various Railcards are available for different groups and can save you up to 1/3 on fares from Heathrow Terminal 3 to London Kings Cross. You can choose the 16–25 Railcard or Senior Railcard based on your age. Additionally, the Family & Friends Railcard or Two Together Railcard are good options for group travel.

Split Tickets to save an average extra 30%

Splitting your tickets involves purchasing separate tickets for different segments of your journey instead of a single ticket for the entire trip. This method is legal and can often result in cheaper fares. For example, if you are travelling from A to B, you might discover that buying a ticket from A to C, and then another ticket from C to B, is more economical than purchasing a direct ticket.