The cheapest and fastest trains from London Kings Cross (KGX) to Heathrow Terminal 4 (HAF)
Cheapest price
£21
Average price
£21
Fastest journey
1 h 8 m
Average duration
1 h 9 m
Trains per day
3
Distance
24 km
The best way to find a cheap train ticket from London Kings Cross (KGX) to Heathrow Terminal 4 (HAF) is to book your journey as far in advance as possible and to avoid travelling at rush hour.
The average ticket from London Kings Cross (KGX) to Heathrow Terminal 4 (HAF) will cost around £21 if you buy it on the day, but you can find cheap train tickets today for only £21.
To travel from London Kings Cross (KGX) to Heathrow Terminal 4 (HAF) you need to make at least one change.
Tube from London Kings Cross to London Paddington+
G23426
Tube from London Kings Cross to London Paddington+
G23443
Tube from London Kings Cross to London Paddington+
G23433
Tube from London Kings Cross to London Paddington+
G23426
Tube from London Kings Cross to London Paddington+
G23433
Tube from London Kings Cross to London Paddington+
G23443Travel Information
Compare coach and train for London Kings Cross (KGX) to Heathrow Terminal 4 (HAF)
Omio recommends booking the train as it is the most popular option from London Kings Cross (KGX) to Heathrow Terminal 4 (HAF) among Omio's users. If you are prioritising price take the coach with prices starting from £15. For those with little time consider booking a train which can get you there in 50m. The ticket price range depends on the travel mode: a coach costs an average of £15, and a train costs an average of £12.
Distance: 24 km
Compare train with
Most popular Train | Coach |
|---|---|
£19 Average Price | £16 Average Price Cheapest |
1h 20m Average total duration Fastest 50m Onboard + 30m Additional time* | 1h 46m Average total duration 1h 16m Onboard + 30m Additional time* |
![]() Most popular train company | ![]() Most popular bus company |
Direct Options | Direct Options |
Live departures
London Kings Cross (KGX) to Heathrow Terminal 4 (HAF) train times
The table below shows live departures for London Kings Cross (KGX) to Heathrow Terminal 4 (HAF) trains for today, Thursday 5 February. You can also manually refresh the results below to see updated train journeys.
| Provider | Departs | Duration | Arrives | Changes | Tickets |
|---|---|---|---|---|---|
![]() | 17:24 London Kings Cross (KGX) | 1h03 | 18:27 Heathrow Terminal 4 (HAF) | 0 changesdirect | |
| Friday 6 February | |||||
Tube from London Kings Cross to London Paddington+ G23426 | 06:04 London Kings Cross (KGX) | 1h08 | 07:12 Heathrow Terminal 4 (HAF) | 1 change | |
Tube from London Kings Cross to London Paddington+ G23433 | 06:19 London Kings Cross (KGX) | 1h08 | 07:27 Heathrow Terminal 4 (HAF) | 1 change | |
Tube from London Kings Cross to London Paddington+ G23443 | 06:31 London Kings Cross (KGX) | 1h11 | 07:42 Heathrow Terminal 4 (HAF) | 1 change | |
This is the last train of the day. | |||||
Find all the dates and times for this journey
Compare prices and tickets London Kings Cross (KGX) to Heathrow Terminal 4 (HAF) 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.
06 Feb
07 Feb
08 Feb
09 Feb
10 Feb
11 Feb
12 Feb
Journey information
Overview: Train from London Kings Cross (KGX) to Heathrow Terminal 4 (HAF)
Trains from London Kings Cross (KGX) to Heathrow Terminal 4 (HAF) run on average 6 times per day, taking around 50m. Cheap train tickets for this journey start at £12 if you book in advance.
There are 1 trains per day. The earliest train runs at 04:40, the last at 21:34. The fastest train covers the 24 km distance in 29m.
Distance 24 km |
Average train duration 50m |
Cheapest ticket price £12 |
Trains per day 6 |
Direct trains 1 |
Fastest train 29m |
First train 04:40 |
Last train 21:34 |
Train companies: Tfl Rail from London Kings Cross (KGX) to Heathrow Terminal 4 (HAF) trainsTfl Rail trains will get you between London Kings Cross (KGX) and Heathrow Terminal 4 (HAF) from £12. With over 1000 travel companies on Omio, you can find the best train times and tickets for your trip.
Tfl Rail
FAQs: London Kings Cross (KGX) to Heathrow Terminal 4 (HAF) train
Find answers to the most common questions about traveling from London Kings Cross (KGX) to Heathrow Terminal 4 (HAF) 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 Heathrow Terminal 4 (HAF), this guide helps you travel smarter and with confidence.

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