The cheapest and fastest trains from London Heathrow Airport to London Kings Cross (KGX)
Cheapest price
£18
Average price
£18
Fastest journey
56 m
Average duration
57 m
Trains per day
5
Distance
24 km
The best way to find a cheap train ticket from London Heathrow Airport to London Kings Cross (KGX) is to book your journey as far in advance as possible and to avoid travelling at rush hour.
The average ticket from London Heathrow Airport to London Kings Cross (KGX) will cost around £18 if you buy it on the day, but you can find cheap train tickets today for only £18.
Of the 5 trains that leave London Heathrow Airport for London Kings Cross (KGX) every day 5 travel direct so it’s quite easy to avoid journeys where you’ll have to change along the way.
These direct trains cover the 24 km distance in an average of 57 m but if you time it right, some trains will get you there in just 56 m .
The slowest trains will take 1 h 1 m and usually involve a change or two along the way, but you might be able to save a few pennies if you’re on a budget.










Travel Information
Compare coach and train for London Heathrow Airport to London Kings Cross (KGX)
Omio recommends booking the train as it is the most popular option from London Heathrow Airport to London Kings Cross (KGX) among Omio's users. If you are prioritising price take the coach with prices starting from £7. For those with little time consider booking a train which can get you there in 40m. The ticket price range depends on the travel mode: a coach costs an average of £7, and a train costs an average of £14.
Distance: 24 km
Compare train with
Most popular Train | Coach |
|---|---|
£19 Average Price | £9 Average Price Cheapest |
1h 10m Average total duration Fastest 40m Onboard + 30m Additional time* | 1h 39m Average total duration 1h 9m Onboard + 30m Additional time* |
![]() Most popular train company | ![]() Most popular bus company |
Direct Options | Direct Options |
Live departures
London Heathrow Airport to London Kings Cross (KGX) train times
The table below shows live departures for London Heathrow Airport to London Kings Cross (KGX) trains for today, Sunday 11 January. You can also manually refresh the results below to see updated train journeys.
| Provider | Departs | Duration | Arrives | Changes | Tickets |
|---|---|---|---|---|---|
![]() | 14:06 London Heathrow Airport | 1h01 | 15:07 London Kings Cross (KGX) | 0 changesdirect | |
| Monday 12 January | |||||
![]() | 07:21 London Heathrow Airport | 0h57 | 08:18 London Kings Cross (KGX) | 0 changesdirect | |
![]() | 08:30 London Heathrow Airport | 1h02 | 09:32 London Kings Cross (KGX) | 0 changesdirect | |
![]() | 09:51 London Heathrow Airport | 0h56 | 10:47 London Kings Cross (KGX) | 0 changesdirect | |
This is the last train of the day. | |||||
Find all the dates and times for this journey
Compare prices and tickets London Heathrow Airport to London Kings Cross (KGX) by coach or train
Compare coach and train prices over the next three weeks. See the best deals at a glance, find the lowest fares, and choose the option that fits your budget.
12 Jan
13 Jan
14 Jan
15 Jan
16 Jan
17 Jan
18 Jan
19 Jan
20 Jan
21 Jan
22 Jan
23 Jan
24 Jan
25 Jan
Journey information
Overview: Train from London Heathrow Airport to London Kings Cross (KGX)
Trains from London Heathrow Airport to London Kings Cross (KGX) run on average 30 times per day, taking around 40m. Cheap train tickets for this journey start at £14 but you can travel from only £7 by coach.
The earliest train runs at 05:51, the last at 22:06. The fastest train covers the 24 km distance in 56m.
Distance 24 km |
Average train duration 40m |
Cheapest ticket price £14 |
Trains per day 30 |
Fastest train 56m |
First train 05:51 |
Last train 22:06 |
Train companies: Tfl Rail, Heathrow Express, Tube from London Heathrow Airport to London Kings Cross (KGX) trainsTfl Rail, Heathrow Express, Tube trains will get you between London Heathrow Airport and London Kings Cross (KGX) from £7. With over 1000 travel companies on Omio, you can find the best train times and tickets for your trip.
Tfl Rail
Heathrow Express
Tube
FAQs: London Heathrow Airport to London Kings Cross (KGX) train
Find answers to the most common questions about traveling from London Heathrow Airport to London Kings Cross (KGX) by train. From journey times and ticket prices to direct connections, first and last departures, and even whether the route is scenic, our FAQs cover everything you need to plan your trip. Whether you’re looking for the fastest train, the cheapest option, or tips for making the most of your visit at London Kings Cross (KGX), this guide helps you travel smarter and with confidence.

Most popular train connections from London Heathrow Airport
More options for your journey from London Heathrow Airport to London Kings Cross (KGX)
Here are some other resources that might have the information you need

