The cheapest and fastest trains from London Kings Cross (KGX) to London Heathrow Airport
Cheapest price
£21
Average price
£25
Fastest journey
45 m
Average duration
49 m
Trains per day
15
Distance
24 km
The best way to find a cheap train ticket from London Kings Cross (KGX) to London Heathrow Airport 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 London Heathrow Airport will cost around £25 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 London Heathrow Airport you need to make at least one change.
Tube from London Kings Cross to London Paddington+
G23860
Tube from London Kings Cross to London Paddington+
G23546
Tube from London Kings Cross to London Paddington+
G23359
Tube from London Kings Cross to London Paddington+
G23532
Tube from London Kings Cross to London Paddington+
G23765
Tube from London Kings Cross to London Paddington+
C28777
Tube from London Kings Cross to London Paddington+
C28780
Tube from London Kings Cross to London Paddington+
C28777
Tube from London Kings Cross to London Paddington+
C28783
Tube from London Kings Cross to London Paddington+
C28786Travel Information
Compare coach and train for London Kings Cross (KGX) to London Heathrow Airport
Omio recommends booking the train as it is the most popular option from London Kings Cross (KGX) to London Heathrow Airport 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 37m. 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 7m Average total duration Fastest 37m Onboard + 30m Additional time* | 1h 36m Average total duration 1h 6m Onboard + 30m Additional time* |
![]() Most popular train company | ![]() Most popular bus company |
Direct Options | Direct Options |
Live departures
London Kings Cross (KGX) to London Heathrow Airport train times
The table below shows live departures for London Kings Cross (KGX) to London Heathrow Airport trains for today, Wednesday 7 January. You can also manually refresh the results below to see updated train journeys.
| Provider | Departs | Duration | Arrives | Changes | Tickets |
|---|---|---|---|---|---|
Tube from London Kings Cross to London Paddington+ G23860 | On time 08:05 London Kings Cross (KGX) | 1h00 | 09:05 Heathrow Terminal 5 (HWV) | 1 change | |
Tube from London Kings Cross to London Paddington+ G23860 | On time 08:05 London Kings Cross (KGX) | 0h54 | 08:59 Heathrow Terminals 2 & 3 (HXX) | 1 change | |
Tube from London Kings Cross to London Paddington+ G23532 | On time 08:08 London Kings Cross (KGX) | 1h04 | 09:12 Heathrow Terminal 4 (HAF) | 1 change | |
Tube from London Kings Cross to London Paddington+ G23532 | On time 08:08 London Kings Cross (KGX) | 0h58 | 09:06 Heathrow Terminals 2 & 3 (HXX) | 1 change | |
Tube from London Kings Cross to London Paddington+ C28777 | On time 08:10 London Kings Cross (KGX) | 0h51 | 09:01 Heathrow Terminal 5 (HWV) | 1 change | |
Tube from London Kings Cross to London Paddington+ C28777 | On time 08:10 London Kings Cross (KGX) | 0h45 | 08:55 Heathrow Terminals 2 & 3 (HXX) | 1 change | |
Tube from London Kings Cross to London Paddington+ G23546 | On time 08:23 London Kings Cross (KGX) | 1h04 | 09:27 Heathrow Terminal 4 (HAF) | 1 change | |
Tube from London Kings Cross to London Paddington+ G23546 | On time 08:23 London Kings Cross (KGX) | 0h58 | 09:21 Heathrow Terminals 2 & 3 (HXX) | 1 change | |
Tube from London Kings Cross to London Paddington+ C28780 | On time 08:25 London Kings Cross (KGX) | 0h52 | 09:17 Heathrow Terminal 5 (HWV) | 1 change | |
Tube from London Kings Cross to London Paddington+ C28780 | On time 08:25 London Kings Cross (KGX) | 0h45 | 09:10 Heathrow Terminals 2 & 3 (HXX) | 1 change | |
Tube from London Kings Cross to London Paddington+ G23765 | On time 08:35 London Kings Cross (KGX) | 1h00 | 09:35 Heathrow Terminal 5 (HWV) | 1 change | |
Tube from London Kings Cross to London Paddington+ G23765 | On time 08:35 London Kings Cross (KGX) | 0h54 | 09:29 Heathrow Terminals 2 & 3 (HXX) | 1 change | |
Tube from London Kings Cross to London Paddington+ G23359 | On time 08:38 London Kings Cross (KGX) | 1h04 | 09:42 Heathrow Terminal 4 (HAF) | 1 change | |
Tube from London Kings Cross to London Paddington+ C28783 | On time 08:40 London Kings Cross (KGX) | 0h51 | 09:31 Heathrow Terminal 5 (HWV) | 1 change | |
Tube from London Kings Cross to London Paddington+ C28786 | On time 08:55 London Kings Cross (KGX) | 0h51 | 09:46 Heathrow Terminal 5 (HWV) | 1 change | |
Find all the dates and times for this journey
Compare prices and tickets London Kings Cross (KGX) to London Heathrow Airport 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.
08 Jan
09 Jan
10 Jan
11 Jan
12 Jan
13 Jan
14 Jan
Journey information
Overview: Train from London Kings Cross (KGX) to London Heathrow Airport
Trains from London Kings Cross (KGX) to London Heathrow Airport run on average 30 times per day, taking around 37m. Cheap train tickets for this journey start at £14 but you can travel from only £7 by coach.
There are 1 trains per day. The earliest train runs at 03:53, the last at 20:33. The fastest train covers the 24 km distance in 24m.
Distance 24 km |
Average train duration 37m |
Cheapest ticket price £14 |
Trains per day 30 |
Direct trains 1 |
Fastest train 24m |
First train 03:53 |
Last train 20:33 |
Train companies: Tfl Rail, Tube, Heathrow Express from London Kings Cross (KGX) to London Heathrow Airport trainsTfl Rail, Tube, Heathrow Express trains will get you between London Kings Cross (KGX) and London Heathrow Airport 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 Kings Cross (KGX) to London Heathrow Airport train
Find answers to the most common questions about traveling from London Kings Cross (KGX) to London Heathrow Airport 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 Heathrow Airport, this guide helps you travel smarter and with confidence.

Most popular train connections from London Kings Cross (KGX)
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