Compensation and refunds
Trainpal helps you handle travel changes, refunds, and Delay Repay requests effortlessly.


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

Save more with a variety of promo codes. Book on the TrainPal app with no booking fees.

24/7 fast customer service with prompt responses to your queries

Seamless rail travel with easy changes and refunds for peace of mind.
Travelling from Heathrow Terminal 3 to London Kings Cross, the fastest train takes 55 minutes with an average travel time of 58 minutes. With 109 daily trains, the first departs at 00:13 and the last at 23:52. Off-Peak hours begin at 09:30 on weekdays, and all-day Off-Peak on weekends and bank holidays. Keep informed of live train status, times, delays, and cancellations with us.
| Departs | Arrives | Operator | ||
|---|---|---|---|---|
23:06 | 1 hour 3 minutes, Direct | 00:09 | Elizabeth line | Find tickets |
23:21 | 1 hour 12 minutes, 1 change | 00:33 | Elizabeth line | Find tickets |
23:36 | 1 hour 10 minutes, 1 change | 00:46 | Elizabeth line | Find tickets |
Taking the train from Heathrow Terminal 3 to London Kings Cross is both efficient and enjoyable, offering scenic views and comfort. With frequent departures from Heathrow Terminal 3, you can arrive at London Kings Cross in just 55 minutes, making it a quick and convenient option for travelling between these two places.

The quickest train journey from Heathrow Terminal 3 to London Kings Cross takes 55 minutes . Utilise our Train Journey Planner to locate direct trains, minimise transfers, and compare travel times across various routes. Discover the most efficient way to travel with fewer stops for a smooth and seamless journey.
No, there are no direct trains from Heathrow Terminal 3 to London Kings Cross. However, you can still find the best train options using the TrainPal Train Journey Planner. Simply enter your departure and arrival stations to see all available train services and plan your trip

Heathrow Terminal 3 to London Kings Cross trains are generally punctual, but delays or cancellations can occur due to weather, strikes, and other factors. After purchasing a ticket, use TrainPal to track live train updates. Before buying a ticket, our Train Journey Planner provides all necessary booking information. Simply enter your departure and arrival stations, click 'Search,' and view routes labelled 'Cheapest' or 'Fastest,' with all details displayed.
Usually, you need to arrive at a station at least 15-20 minutes ahead of time. However, consider the station's size and your familiarity with it. If the station is large and you are not familiar with it, leaving home as early as possible is the best choice. This can reduce your stress and ensure a relaxing journey.
Yes, most trains on the Heathrow Terminal 3 to London Kings Cross route offer amenities like Wi-Fi, food services, and various seating options. Additional facilities may include power sockets, accessibility features, and luggage storage. Check the specific amenities offered by the train operator when booking, as these can vary.
Check our Train Journey Planner, which provides detailed information about transfers to ensure your journey is uninterrupted, saving you time and effort, and allowing you to get a full rest for travelling.

Use TrainPal for quick access to live updates and notifications. If your phone allows messages from us, you'll receive instant notifications about train cancellations directly on your screen.
Family & Friends Railcard£10.94
£16.41
Trainpal helps you handle travel changes, refunds, and Delay Repay requests effortlessly.


Cheaper train tickets for less busy times. Combine with Advance fares for the best deals.
* Prices are dynamic and subject to change. Ticket prices vary based on time of day, route, and class. This pricing does not apply to discounted Split tickets and Railcards.
* By combining Advance Ticket offers with split tickets, you’ll get lower fares when you book at least one week before travel (excluding Anytime fares bought on the day of travel). Availability depends on the specific route and cannot be combined with other promotions.