4.9
4.6The cheapest and fastest trains from London St Pancras International (STP) to London Heathrow Airport
Cheapest price
$23
Average price
$26
Fastest journey
49 m
Average duration
52 m
Trains per day
4
Distance
24 km
The best way to find a cheap train ticket from London St Pancras International (STP) to London Heathrow Airport is to book your journey as far in advance as possible and to avoid traveling at rush hour.
The average ticket from London St Pancras International (STP) to London Heathrow Airport will cost around $26 if you buy it on the day, but the cheapest tickets can be found for only $23.
Of the 4 trains that leave London St Pancras International (STP) for London Heathrow Airport on Wed, Jul 22, 4 travel direct so it’s quite easy to avoid journeys where you’ll have to change along the way.
On Wed, Jul 22 the direct trains cover the 24 km distance in an average of 52 m but if you time it right, some trains will get you there in just 49 m .
On Wed, Jul 22 the slowest trains will take 57 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.
10:45 PM0h51London St Pancras International (STP)11:36 PMLondon Heathrow Airport$231One-way0 transfers- 9:45 AM0h57London St Pancras International (STP)10:42 AMLondon Heathrow Airport$241One-way0 transfers
- 8:17 AM0h49London St Pancras International (STP)9:06 AMLondon Heathrow Airport$271One-way0 transfers
- 7:17 AM0h49London St Pancras International (STP)8:06 AMLondon Heathrow Airport$291One-way0 transfers
- 8:17 AM0h49London St Pancras International (STP)9:06 AMLondon Heathrow Airport$271One-way0 transfers
- 7:17 AM0h49London St Pancras International (STP)8:06 AMLondon Heathrow Airport$291One-way0 transfers
- 10:45 PM0h51London St Pancras International (STP)11:36 PMLondon Heathrow Airport$231One-way0 transfers
- 9:45 AM0h57London St Pancras International (STP)10:42 AMLondon Heathrow Airport$241One-way0 transfers
Travel Information
Compare bus and train for London St Pancras International (STP) to London Heathrow Airport
Omio recommends booking the train as it is the most popular option from London St Pancras International (STP) to London Heathrow Airport among Omio's users. If you are prioritising price take the bus with prices starting from $8. For those with little time consider booking a train which can get you there in 38m. The ticket price range depends on the travel mode: a bus costs an average of $8, and a train costs an average of $12.
Distance: 14 miles (24 km)
Compare train with
Most popular Train | Bus | Driving |
|---|---|---|
$27 Average price | $11 Average price Cheapest | $24 Average price (fuel + tolls) |
1h 8m Average total duration Fastest 38m Onboard + 30m Additional time* | 1h 34m Average total duration 1h 4m Onboard + 30m Additional time* | 55m Average total duration (door-to-door) |
Most popular train company |  Most popular bus company | Your own car or car rental |
Direct Options | Direct Options | Direct Options |
This is compared to other travel options from London St Pancras International (STP) to London Heathrow Airport:
A bus is $15 (€13) less than a train for this route with tickets for a train from London St Pancras International (STP) to London Heathrow Airport costing on average $27 (€22).
Other travel options to London Heathrow Airport take longer:
Bus takes on average 1h 4m.
You'll arrive about 17m sooner (38m by train vs 55m by car). Tickets start at around $27 (€22) compared to roughly $24 (€20) 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
London St Pancras International (STP) to London Heathrow Airport train times
The table below shows live departures for London St Pancras International (STP) to London Heathrow Airport trains for today, Tuesday, July 21. You can also manually refresh the results below to see updated train journeys.
| Provider | Departs | Duration | Arrives | Transfers | Tickets |
|---|---|---|---|---|---|
 Tube from London St Pancras International to London Paddington+C37334 | 3:06 PM London St Pancras International (STP) | 1h00 | 4:06 PM Heathrow Terminal 5 (HWV) | 1 transfer | |
Tube from London St Pancras International to London Paddington+ W10682 | On time 3:10 PM London St Pancras International (STP) | 0h51 | 4:01 PM Heathrow Terminal 5 (HWV) | 1 transfer | |
 W32887+C37334 | Delayed 2:21 PM 3:15 PMLondon St Pancras International (STP) | 0h51 | 4:06 PM Heathrow Terminal 5 (HWV) | 1 transfer | |
| Wednesday, July 22 | |||||
| 7:17 AM London St Pancras International (STP) | 0h49 | 8:06 AM London Heathrow Airport | 0 transfersDirect | |
| 8:17 AM London St Pancras International (STP) | 0h49 | 9:06 AM London Heathrow Airport | 0 transfersDirect | |
| 9:45 AM London St Pancras International (STP) | 0h57 | 10:42 AM London Heathrow Airport | 0 transfersDirect | |
This is the last train of the day. | |||||
Find all the dates and times for this journey
Compare prices and tickets London St Pancras International (STP) to London Heathrow Airport by bus or train
Compare bus 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.
Jul 22
Jul 23
Jul 24
Jul 25
Jul 26
Jul 27
Jul 28
Why should you book London St Pancras International (STP) to London Heathrow Airport trains with Omio?
Why book with Omio vs Elizabeth line?
- Compare with other providers: On Omio, you can not only buy tickets for Elizabeth line, but also compare tickets for the likes of Heathrow Express or Tube to find the best option for your trip from London St Pancras International (STP) to London Heathrow Airport.
- Designed for International Travelers: Omio is in your language including 24/7 customer service and offers multiple payment options, including PayPal, credit cards, and bank transfer, in your preferred currency.
- Compare all your options: Omio allows you to compare Elizabeth line with all available travel options, which are bus and train to ensure you get the best deal for traveling from London St Pancras International (STP) to London Heathrow Airport.
Journey information
Overview: Train from London St Pancras International (STP) to London Heathrow Airport
United KingdomUnited Kingdom
Trains from London St Pancras International (STP) to London Heathrow Airport run on average 34 times per day, taking around 38m. Cheap train tickets for this journey start at $12 (€10) but you can travel from only $8 (€7) by bus.
The earliest train runs at 03:40, the last at 22:45. The fastest train covers the 14 miles (24 km) distance in 25m.
Distance 14 miles (24 km) |
Average train duration 38m |
Cheapest ticket price $12 (€10) |
Trains per day 34 |
Fastest train 25m |
First train 3:40 AM |
Last train 10:45 PM |
Cheapest Month Apr |
Cheapest Day Sun |
High Season Apr - Jun |
Low Season Jan - Mar |
Busiest Day Fri |
Least Busy Day Wed |
Train companies: Elizabeth line, Heathrow Express, Tube from London St Pancras International (STP) to London Heathrow Airport trainsElizabeth line, Heathrow Express, Tube trains will get you between London St Pancras International (STP) and London Heathrow Airport from $8 (€7). With over 1000 travel companies on Omio, you can find the best train times and tickets for your trip.
Elizabeth line
Heathrow Express
Tube
FAQs: Trains from London St Pancras International (STP) to London Heathrow Airport
Find answers to the most common questions about traveling from London St Pancras International (STP) 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 St Pancras International (STP)
More options for your journey from London St Pancras International (STP) to London Heathrow Airport
Here are some other resources that might have the information you need
Most popular trains to and from London Heathrow Airport and London St Pancras International (STP)
Most popular train connections to London Heathrow Airport
The Omio App Makes Travel Planning Easy
We’ll get you where you want to go. From live train updates to mobile tickets, our innovative app is the ideal way to plan and keep track of your travel.
