Heathrow Terminal 4 (HAF) to London Kings Cross (KGX) train with Elizabeth line

Fri 18 Sept
+ Add return
Elizabeth line
Avanti West Coast
Great Western Railway
Regionale
West Midlands Trains
2,000+ travel companies
Elizabeth line
Avanti West Coast
Great Western Railway
Regionale
West Midlands Trains
2,000+ travel companies
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The cheapest and fastest trains from Heathrow Terminal 4 (HAF) to London Kings Cross (KGX)

Showing times, prices and bookable tickets for 18 Sept

Cheapest price on 18 Sept

£15

Average ticket price on 18 Sept

£18

Fastest journey on 18 Sept

1 h 3 m

Average journey duration on 18 Sept

1 h 3 m

Trains on 18 Sept

12

Distance

24 km

Cheap tickets

The best way to find a cheap train ticket from Heathrow Terminal 4 (HAF) 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 Heathrow Terminal 4 (HAF) 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 £15.

Fast trains

To travel from Heathrow Terminal 4 (HAF) to London Kings Cross (KGX) you need to make at least one change.

  • Elizabeth lineC37803+TubeTube from London Paddington to London Kings Cross
    9:151h04
    Heathrow Terminal 4 (HAF)
    10:19London Kings Cross (KGX)
    £151One-way
    1 change
  • Elizabeth lineC37735+TubeTube from London Paddington to London Kings Cross
    8:301h03
    Heathrow Terminal 4 (HAF)
    9:33London Kings Cross (KGX)
    £151One-way
    1 change
  • Elizabeth lineC37778+TubeTube from London Paddington to London Kings Cross
    9:001h03
    Heathrow Terminal 4 (HAF)
    10:03London Kings Cross (KGX)
    £151One-way
    1 change
  • Elizabeth lineC37710+TubeTube from London Paddington to London Kings Cross
    8:151h03
    Heathrow Terminal 4 (HAF)
    9:18London Kings Cross (KGX)
    £151One-way
    1 change
  • Elizabeth lineC37761+TubeTube from London Paddington to London Kings Cross
    8:451h04
    Heathrow Terminal 4 (HAF)
    9:49London Kings Cross (KGX)
    £151One-way
    1 change

Travel Information

Compare coach and train for Heathrow Terminal 4 (HAF) to London Kings Cross (KGX)

Omio recommends booking the train as it is the most popular option from Heathrow Terminal 4 (HAF) to London Kings Cross (KGX) among Omio's users. If you are prioritising price, take the coach, with an average ticket price of £16 For those with little time, consider booking a train, which has an average total journey time of 1h 19m. Average ticket prices depend on the travel mode: a coach costs an average of £16, while a train costs an average of £21.

Distance: 24 km

Compare train with

Most popular
Train
Coach
Driving

£21

Average Price

£16

Average Price

Cheapest

£18

Average Price

(fuel + tolls)

1h 19m

Average total duration

Fastest

49m

Onboard

+

30m

Additional time*

1h 55m

Average total duration

1h 25m

Onboard

+

30m

Additional time*

1h 8m

Average total duration

(door-to-door)

Elizabeth line

Most popular train company

National Express

Most popular bus company

Your own car or car rental

Direct Options

Direct Options

Direct Options

The cheapest way to travel from Heathrow Terminal 4 (HAF) to London Kings Cross (KGX) is a coach with an average price of £16.

This is compared to other travel options from Heathrow Terminal 4 (HAF) to London Kings Cross (KGX):

A coach is £4 less than a train for this route with tickets for a train from Heathrow Terminal 4 (HAF) to London Kings Cross (KGX) costing on average £21.

The fastest way to travel from Heathrow Terminal 4 (HAF) to London Kings Cross (KGX) is by train with an average journey time of 49m.

Other travel options to London Kings Cross (KGX) take longer:

Coach takes on average 1h 25m.

It's helpful to compare your options as there are 2 ways to travel between Heathrow Terminal 4 (HAF) and London Kings Cross (KGX) including taking a coach and train.
Take the train. It's meaningfully faster than driving, and the time saved usually justifies the price.

You'll arrive about 19m sooner (49m by train vs 1h 8m by car). Tickets start at around £21 compared to roughly £18 in fuel and tolls — so you're paying a bit more, but getting hours of your day back, a city-centre arrival, and the freedom to work or relax instead of drive.

Driving makes more sense if you're travelling as a group (where fuel costs split several ways), want to stop along the way, or need a car once you arrive.

Live departures

Heathrow Terminal 4 (HAF) to London Kings Cross (KGX) train times

The table below shows live departures for Heathrow Terminal 4 (HAF) to London Kings Cross (KGX) trains for today, Thursday 17 September. You can also manually refresh the results below to see updated train journeys.

Last updated at
ProviderDepartsDurationArrivesChanges
Tickets
Elizabeth lineC37407+TubeTube from London Paddington to London Kings Cross14:45 Heathrow Terminal 4 (HAF)
1h03
15:48 London Kings Cross (KGX)1 change
Friday 18 September
Elizabeth lineC37477+TubeTube from London Paddington to London Kings Cross6:00 Heathrow Terminal 4 (HAF)
1h08
7:08 London Kings Cross (KGX)1 change
Elizabeth lineC37504+TubeTube from London Paddington to London Kings Cross6:15 Heathrow Terminal 4 (HAF)
1h04
7:19 London Kings Cross (KGX)1 change
Elizabeth lineC37523+TubeTube from London Paddington to London Kings Cross6:30 Heathrow Terminal 4 (HAF)
1h03
7:33 London Kings Cross (KGX)1 change
Elizabeth lineC37549+TubeTube from London Paddington to London Kings Cross6:45 Heathrow Terminal 4 (HAF)
1h04
7:49 London Kings Cross (KGX)1 change
Elizabeth lineC37570+TubeTube from London Paddington to London Kings Cross7:00 Heathrow Terminal 4 (HAF)
1h03
8:03 London Kings Cross (KGX)1 change
Elizabeth lineC37598+TubeTube from London Paddington to London Kings Cross7:15 Heathrow Terminal 4 (HAF)
1h03
8:18 London Kings Cross (KGX)1 change
Elizabeth lineC37685+TubeTube from London Paddington to London Kings Cross8:00 Heathrow Terminal 4 (HAF)
1h03
9:03 London Kings Cross (KGX)1 change
Elizabeth lineC37710+TubeTube from London Paddington to London Kings Cross8:15 Heathrow Terminal 4 (HAF)
1h03
9:18 London Kings Cross (KGX)1 change
Elizabeth lineC37735+TubeTube from London Paddington to London Kings Cross8:30 Heathrow Terminal 4 (HAF)
1h03
9:33 London Kings Cross (KGX)1 change
Elizabeth lineC37761+TubeTube from London Paddington to London Kings Cross8:45 Heathrow Terminal 4 (HAF)
1h04
9:49 London Kings Cross (KGX)1 change
Elizabeth lineC37778+TubeTube from London Paddington to London Kings Cross9:00 Heathrow Terminal 4 (HAF)
1h03
10:03 London Kings Cross (KGX)1 change
Elizabeth lineC37803+TubeTube from London Paddington to London Kings Cross9:15 Heathrow Terminal 4 (HAF)
1h04
10:19 London Kings Cross (KGX)1 change

This is the last train of the day.

Find all the dates and times for this journey

Compare prices and tickets Heathrow Terminal 4 (HAF) 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.

Fri
18 Sept
Sat
19 Sept
Sun
20 Sept
Mon
21 Sept
Tue
22 Sept
Wed
23 Sept
Thu
24 Sept

Journey information

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

United KingdomUnited Kingdom
United KingdomUnited Kingdom
Icon of train

Trains from Heathrow Terminal 4 (HAF) to London Kings Cross (KGX) run on average 7 times per day, taking around 49m. Cheap train tickets for this journey start at £9 if you book in advance.

The earliest train runs at 04:30, the last at 08:30. The fastest train covers the 24 km distance in 1h 3m.

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
49m
Cheapest ticket price
£9
Trains per day
7
Fastest train
1h 3m
First train
4:30
Last train
8:30
Cheapest Month
Jun
Cheapest Day
Sat
High Season
Jul - Sept
Low Season
Apr - Jun
Busiest Day
Sun
Least Busy Day
Mon
Best time to book
1 day
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: Elizabeth line from Heathrow Terminal 4 (HAF) to London Kings Cross (KGX) trainsElizabeth line trains will get you between Heathrow Terminal 4 (HAF) and London Kings Cross (KGX) from £9. With over 1000 travel companies on Omio, you can find the best train times and tickets for your trip.

Elizabeth line

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 Elizabeth line Duration
1h 3m
Cheapest Elizabeth line Price
£9
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: Heathrow Terminal 4 (HAF) to London Kings Cross (KGX) train

Find answers to the most common questions about traveling from Heathrow Terminal 4 (HAF) 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.

FAQs
The cost of a train ticket from Heathrow Terminal 4 (HAF) to London Kings Cross (KGX) can vary. The cheapest tickets are usually available from £9, while the average price tends to be around £21.
The train journey from Heathrow Terminal 4 (HAF) to London Kings Cross (KGX) covers a distance of 24 km and takes approximately 1h 3m. Trains run 7 per day.
The train distance from Heathrow Terminal 4 (HAF) to London Kings Cross (KGX) is 24 km.
The first train from Heathrow Terminal 4 (HAF) to London Kings Cross (KGX) leaves at 4:30.
The last train from Heathrow Terminal 4 (HAF) to London Kings Cross (KGX) departs at 8:30.
Trains from Heathrow Terminal 4 (HAF) to London Kings Cross (KGX) run approximately 7 times per day.
Currently, there is no high-speed train service from Heathrow Terminal 4 (HAF) to London Kings Cross (KGX).
Unfortunately, there is no direct train service currently available from Heathrow Terminal 4 (HAF) to London Kings Cross (KGX).
To get from Heathrow Terminal 4 (HAF) to London Kings Cross (KGX), you can choose from several travel options including coach and train.
There is no night train service from Heathrow Terminal 4 (HAF) to London Kings Cross (KGX).
The cheapest way to get from Heathrow Terminal 4 (HAF) to London Kings Cross (KGX) is by train, costing approximately £9.
Booking trains from Heathrow Terminal 4 (HAF) to London Kings Cross (KGX) in advance is advisable, especially during peak travel seasons or for long journeys, to ensure availability and secure better fares.
The train journey from Heathrow Terminal 4 to London Kings Cross is largely urban and not particularly scenic, as it travels through suburban areas and cityscapes rather than rural or picturesque landscapes.
Yes, a day trip from Heathrow Terminal 4 to London Kings Cross is feasible. The journey takes 1h 3m with a distance of 24 km. Trains run 7 times per day.
Yes, you can take the train from Heathrow Terminal 4 (HAF) to London Kings Cross (KGX).

Most popular train connections from Heathrow Terminal 4 (HAF)

Heathrow Terminal 4 (HAF) to Slough station (SLO) train

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

Here are some other resources that might have the information you need

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

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

Manchester Piccadilly (MAN) to London Kings Cross (KGX) train
Paris Gare du Nord to London Kings Cross (KGX) train
London Gatwick Airport to London Kings Cross (KGX) train
London Heathrow Airport to London Kings Cross (KGX) train
Edinburgh Waverley (EDB) to London Kings Cross (KGX) train
Heathrow Terminal 4 (HAF) to London Euston (EUS) train
London Bridge (LBG) to London Kings Cross (KGX) train
London Victoria (VIC) to London Kings Cross (KGX) train
Amsterdam Centraal to London Kings Cross (KGX) train
Heathrow Terminal 4 (HAF) to London Stansted Airport train
Bristol Temple Meads (BRI) to London Kings Cross (KGX) train
Glasgow Central (GLC) to London Kings Cross (KGX) train
Leeds station (LDS) to London Kings Cross (KGX) train
London Euston (EUS) to London Kings Cross (KGX) train
Paris Gare de Lyon to London Kings Cross (KGX) train
Liverpool Lime Street (LIV) to London Kings Cross (KGX) train
Manchester Airport (MIA) to London Kings Cross (KGX) train
London Luton Airport to London Kings Cross (KGX) train
Cardiff Central (CDF) to London Kings Cross (KGX) train
Heathrow Terminal 4 (HAF) to Bath Spa (BTH) train
London Waterloo (WAT) to London Kings Cross (KGX) train
London Stansted Airport to London Kings Cross (KGX) train
Birmingham New Street (BHM) to London Kings Cross (KGX) train
London Liverpool Street (LST) to London Kings Cross (KGX) train
Watford Junction (WFJ) to London Kings Cross (KGX) train
HomeTrainsTrains in United KingdomHeathrow Terminal 4 (HAF) to London Kings Cross (KGX) train

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