London Kings Cross (KGX) to Heathrow Terminal 4 (HAF) train with Tfl Rail

Sun 21 Dec
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Tfl Rail
Avanti West Coast
Great Western Rail
Deutsche Bahn
Regionale
1,000+ travel companies
Tfl Rail
Avanti West Coast
Great Western Rail
Deutsche Bahn
Regionale
1,000+ travel companies
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The cheapest and fastest trains from London Kings Cross (KGX) to Heathrow Terminal 4 (HAF)

Showing times and prices for 22 Dec

Cheapest price

£18

Average price

£19

Fastest journey

1 h 3 m

Average duration

1 h 6 m

Trains per day

4

Distance

24 km

Cheap tickets

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 £19 if you buy it on the day, but you can find cheap train tickets today for only £18.

Fast trains

Of the 4 trains that leave London Kings Cross (KGX) for Heathrow Terminal 4 (HAF) every day 4 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 1 h 6 m but if you time it right, some trains will get you there in just 1 h 3 m .

The slowest trains will take 1 h 11 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.

Tfl Rail
05:341h08
London Kings Cross (KGX)
06:42Heathrow Terminal 4 (HAF)
£181One-way
0 changes
Tfl Rail
11:391h03
London Kings Cross (KGX)
12:42Heathrow Terminal 4 (HAF)
£181One-way
0 changes
Tfl Rail
12:091h03
London Kings Cross (KGX)
13:12Heathrow Terminal 4 (HAF)
£181One-way
0 changes
Tfl Rail
05:311h11
London Kings Cross (KGX)
06:42Heathrow Terminal 4 (HAF)
£211One-way
0 changes

Travel Information

Compare train and coach 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 £14. 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 £14, and a train costs an average of £14.

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*

Tfl Rail

Most popular train company

National Express

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, Sunday 21 December. You can also manually refresh the results below to see updated train journeys.

Last updated at 00:36
ProviderDepartsDurationArrivesChanges
Tickets
assertis_tubeTube from London Kings Cross to London Paddington+tfl_railG23427
On time
07:22 London Kings Cross (KGX)
1h04
08:26 Heathrow Terminal 4 (HAF)		1 change
assertis_tubeTube from London Kings Cross to London Paddington+tfl_railG23442
On time
07:48 London Kings Cross (KGX)
1h08
08:56 Heathrow Terminal 4 (HAF)		1 change
assertis_tubeTube from London Kings Cross to London Paddington+tfl_railG23453
On time
08:18 London Kings Cross (KGX)
1h08
09:26 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 train or coach

Compare train and coach 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.

Mon
22 Dec
Tue
23 Dec
Wed
24 Dec
Thu
25 Dec
Fri
26 Dec
Sat
27 Dec
Sun
28 Dec

Journey information

Overview: Train from London Kings Cross (KGX) to Heathrow Terminal 4 (HAF)

United KingdomUnited Kingdom
United KingdomUnited Kingdom
Icon of train

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 £14 if you book in advance.

There are 1 trains per day. The earliest train runs at 03:40, the last at 20:49. The fastest train covers the 24 km distance in 29m.

Fares are the lowest economy prices found on Omio. Early booking often means lower prices. Prices change daily and are subject to availability. Discount cards, coach trips, and booking fees are not included.
Price information
Distance
24 km
Average train duration
50m
Cheapest ticket price
£14
Trains per day
6
Direct trains
1
Fastest train
29m
First train
03:40
Last train
20:49
Fares are the lowest economy prices found on Omio. Early booking often means lower prices. Prices change daily and are subject to availability. Discount cards, coach trips, and booking fees are not included.
Price information

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 £14. With over 1000 travel companies on Omio, you can find the best train times and tickets for your trip.

Tfl Rail

About
Tfl Rail is a railway service operated by Transport for London in the United Kingdom. It operates on the Great Western Main Line and the Heathrow branch of the London Underground. The service runs from Paddington in London to Reading, Maidenhead, Slough, and Heathrow Airport. It also serves the towns of Taplow, Burnham, Twyford, and Hayes & Harlington. All trains are air-conditioned and feature onboard Wi-Fi, power sockets, and digital information screens. Tfl Rail offers a range of ticket types, including single and return tickets, season tickets, and Oyster cards. Oyster cards are the most popular ticket type, allowing passengers to pay for their journey with a single card. The most popular routes for Tfl Rail are Paddington to Reading, Paddington to Maidenhead, and Paddington to Heathrow Airport. These routes offer frequent services and provide passengers with a convenient way to travel between London and the surrounding areas.
Luggage & cancellation policy
Average Duration
29m
Cheapest Price
£15
Tfl Rail frequency
6 a day
Luggage included
Standard luggage allowance included with ticket
Luggage storage
Dedicated luggage storage areas in carriages
Cancellation Policy
Refunds available through TfL website or customer service
Refund
Full refund available for service cancellations
Amenities on board the train
Wifi
Food sold onboard
No dedicated dining car. Passengers can bring their own food and drinks
Toilets
USB plugs
Accessibility
Step-free access at most stations, wheelchair spaces on trains, priority seating
Pets
Small pets travel free. Dogs must be leashed. Guide dogs welcome
Quiet zone
Family area

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.

FAQs
Yes, a day trip from London Kings Cross to Heathrow Terminal 4 is feasible as the journey takes 29m, covering a distance of 24 km. Trains run 6 times per day.
The train journey from London Kings Cross to Heathrow Terminal 4 is primarily an urban and suburban experience, passing through various parts of London and its outskirts. It lacks significant scenic views, as the route is dominated by cityscapes and built-up areas.
Booking trains from London Kings Cross (KGX) to Heathrow Terminal 4 (HAF) in advance is advisable, especially during peak travel seasons or for long journeys, to ensure availability and secure better fares.
The train distance from London Kings Cross (KGX) to Heathrow Terminal 4 (HAF) is 24 km.
The cost of a train ticket from London Kings Cross (KGX) to Heathrow Terminal 4 (HAF) can vary. The cheapest tickets are usually available from £14, while the average price tends to be around £19.
The train journey from London Kings Cross (KGX) to Heathrow Terminal 4 (HAF) covers a distance of 24 km and takes approximately 29m. Trains run 6 per day.
Yes, there is a direct train between London Kings Cross (KGX) and Heathrow Terminal 4 (HAF). The service operates 1 times per day, provided by Tfl Rail.
The first train from London Kings Cross (KGX) to Heathrow Terminal 4 (HAF) leaves at 3:40.
The cheapest way to get from London Kings Cross (KGX) to Heathrow Terminal 4 (HAF) is by train, costing approximately £14.
The last train from London Kings Cross (KGX) to Heathrow Terminal 4 (HAF) departs at 20:49.
Trains from London Kings Cross (KGX) to Heathrow Terminal 4 (HAF) run approximately 6 times per day.
Currently, there is no high-speed train service from London Kings Cross (KGX) to Heathrow Terminal 4 (HAF).
To get from London Kings Cross (KGX) to Heathrow Terminal 4 (HAF), you can choose from several travel options including train and coach.
Yes, you can take the train from London Kings Cross (KGX) to Heathrow Terminal 4 (HAF).
There is no night train service from London Kings Cross (KGX) to Heathrow Terminal 4 (HAF).

More options for your journey from London Kings Cross (KGX) to Heathrow Terminal 4 (HAF)

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Return trains from Heathrow Terminal 4 (HAF) to London Kings Cross (KGX)

Most popular trains to and from Heathrow Terminal 4 (HAF) and London Kings Cross (KGX)

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HomeTrainsLondon Kings Cross (KGX) to Heathrow Terminal 4 (HAF) train

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