Bus Watford to London Heathrow Airport (LHR): Find cheap tickets

Compare all timetables for the shuttles from Watford to London Heathrow Airport

Here is a selection of the cheapest shuttle trips from the schedule from Watford to London Heathrow Airport from various bus operators like Rail Air for the next days.

today

tomorrow

Wednesday

Thursday

Friday

Saturday

Sunday

Cheapest bus trips today
BertCompanyCountOneCompanyName	Duration	Departure time	From	Departure	Arrival time	To	Destination	Seat classes	Price
Rail Air	0h 51m	9:56 AM	Watford	Junction Station	10:47 AM	London Heathrow Airport	London Heathrow Airport	Economy	$4	A Bus from Rail Air goes from Junction Station, Watford (United Kingdom) at 7/27/2026 9:56:00 AM to London Heathrow Airport, London Heathrow Airport (United Kingdom) arriving at 7/27/2026 10:47:00 AM. 50 Economy ticket for $4 per person are available. Travel duration is 0h 51m
Rail Air	0h 48m	10:59 AM	Watford	Junction Station	11:47 AM	London Heathrow Airport	London Heathrow Airport	Economy	$4	A Bus from Rail Air goes from Junction Station, Watford (United Kingdom) at 7/27/2026 10:59:00 AM to London Heathrow Airport, London Heathrow Airport (United Kingdom) arriving at 7/27/2026 11:47:00 AM. 50 Economy ticket for $4 per person are available. Travel duration is 0h 48m
Rail Air	0h 48m	11:59 AM	Watford	Junction Station	12:47 PM	London Heathrow Airport	London Heathrow Airport	Economy	$4	A Bus from Rail Air goes from Junction Station, Watford (United Kingdom) at 7/27/2026 11:59:00 AM to London Heathrow Airport, London Heathrow Airport (United Kingdom) arriving at 7/27/2026 12:47:00 PM. 50 Economy ticket for $4 per person are available. Travel duration is 0h 48m
Rail Air	0h 48m	12:59 PM	Watford	Junction Station	1:47 PM	London Heathrow Airport	London Heathrow Airport	Economy	$4	A Bus from Rail Air goes from Junction Station, Watford (United Kingdom) at 7/27/2026 12:59:00 PM to London Heathrow Airport, London Heathrow Airport (United Kingdom) arriving at 7/27/2026 1:47:00 PM. 50 Economy ticket for $4 per person are available. Travel duration is 0h 48m
Rail Air	0h 48m	1:59 PM	Watford	Junction Station	2:47 PM	London Heathrow Airport	London Heathrow Airport	Economy	$4	A Bus from Rail Air goes from Junction Station, Watford (United Kingdom) at 7/27/2026 1:59:00 PM to London Heathrow Airport, London Heathrow Airport (United Kingdom) arriving at 7/27/2026 2:47:00 PM. 50 Economy ticket for $4 per person are available. Travel duration is 0h 48m

Cheapest bus trips tomorrow
BertCompanyCountOneCompanyName	Duration	Departure time	From	Departure	Arrival time	To	Destination	Seat classes	Price
Rail Air	0h 38m	4:07 AM	Watford	Junction Station	4:45 AM	London Heathrow Airport	London Heathrow Airport - Terminal 2 & 3	Economy	$5	A Bus from Rail Air goes from Junction Station, Watford (United Kingdom) at 7/28/2026 4:07:00 AM to London Heathrow Airport - Terminal 2 & 3, London Heathrow Airport (United Kingdom) arriving at 7/28/2026 4:45:00 AM. 50 Economy ticket for $5 per person are available. Travel duration is 0h 38m
Rail Air	24h 38m	5:12 AM	Watford	Junction Station	5:50 AM	London Heathrow Airport	London Heathrow Airport - Terminal 2 & 3	Economy	$5	A Bus from Rail Air goes from Junction Station, Watford (United Kingdom) at 7/28/2026 5:12:00 AM to London Heathrow Airport - Terminal 2 & 3, London Heathrow Airport (United Kingdom) arriving at 7/29/2026 5:50:00 AM. 50 Economy ticket for $5 per person are available. Travel duration is 24h 38m
Rail Air	24h 56m	5:53 AM	Watford	Junction Station	6:49 AM	London Heathrow Airport	London Heathrow Airport - Terminal 2 & 3	Economy	$5	A Bus from Rail Air goes from Junction Station, Watford (United Kingdom) at 7/28/2026 5:53:00 AM to London Heathrow Airport - Terminal 2 & 3, London Heathrow Airport (United Kingdom) arriving at 7/29/2026 6:49:00 AM. 50 Economy ticket for $5 per person are available. Travel duration is 24h 56m
Rail Air	1h 4m	6:45 AM	Watford	Junction Station	7:49 AM	London Heathrow Airport	London Heathrow Airport - Terminal 2 & 3	Economy	$5	A Bus from Rail Air goes from Junction Station, Watford (United Kingdom) at 7/28/2026 6:45:00 AM to London Heathrow Airport - Terminal 2 & 3, London Heathrow Airport (United Kingdom) arriving at 7/28/2026 7:49:00 AM. 50 Economy ticket for $5 per person are available. Travel duration is 1h 4m
Rail Air	1h 4m	7:45 AM	Watford	Junction Station	8:49 AM	London Heathrow Airport	London Heathrow Airport - Terminal 2 & 3	Economy	$5	A Bus from Rail Air goes from Junction Station, Watford (United Kingdom) at 7/28/2026 7:45:00 AM to London Heathrow Airport - Terminal 2 & 3, London Heathrow Airport (United Kingdom) arriving at 7/28/2026 8:49:00 AM. 50 Economy ticket for $5 per person are available. Travel duration is 1h 4m

Cheapest bus trips Wednesday
BertCompanyCountOneCompanyName	Duration	Departure time	From	Departure	Arrival time	To	Destination	Seat classes	Price
Rail Air	0h 38m	4:07 AM	Watford	Junction Station	4:45 AM	London Heathrow Airport	London Heathrow Airport	Economy	$4	A Bus from Rail Air goes from Junction Station, Watford (United Kingdom) at 7/29/2026 4:07:00 AM to London Heathrow Airport, London Heathrow Airport (United Kingdom) arriving at 7/29/2026 4:45:00 AM. 50 Economy ticket for $4 per person are available. Travel duration is 0h 38m
Rail Air	0h 31m	4:07 AM	Watford	Junction Station	4:38 AM	London Heathrow Airport	London Heathrow Airport	Economy	$4	A Bus from Rail Air goes from Junction Station, Watford (United Kingdom) at 7/29/2026 4:07:00 AM to London Heathrow Airport, London Heathrow Airport (United Kingdom) arriving at 7/29/2026 4:38:00 AM. 50 Economy ticket for $4 per person are available. Travel duration is 0h 31m
Rail Air	0h 38m	5:12 AM	Watford	Junction Station	5:50 AM	London Heathrow Airport	London Heathrow Airport	Economy	$4	A Bus from Rail Air goes from Junction Station, Watford (United Kingdom) at 7/29/2026 5:12:00 AM to London Heathrow Airport, London Heathrow Airport (United Kingdom) arriving at 7/29/2026 5:50:00 AM. 50 Economy ticket for $4 per person are available. Travel duration is 0h 38m
Rail Air	0h 31m	5:12 AM	Watford	Junction Station	5:43 AM	London Heathrow Airport	London Heathrow Airport	Economy	$4	A Bus from Rail Air goes from Junction Station, Watford (United Kingdom) at 7/29/2026 5:12:00 AM to London Heathrow Airport, London Heathrow Airport (United Kingdom) arriving at 7/29/2026 5:43:00 AM. 50 Economy ticket for $4 per person are available. Travel duration is 0h 31m
Rail Air	0h 56m	5:53 AM	Watford	Junction Station	6:49 AM	London Heathrow Airport	London Heathrow Airport	Economy	$4	A Bus from Rail Air goes from Junction Station, Watford (United Kingdom) at 7/29/2026 5:53:00 AM to London Heathrow Airport, London Heathrow Airport (United Kingdom) arriving at 7/29/2026 6:49:00 AM. 50 Economy ticket for $4 per person are available. Travel duration is 0h 56m

Cheapest bus trips Thursday
BertCompanyCountOneCompanyName	Duration	Departure time	From	Departure	Arrival time	To	Destination	Seat classes	Price
Rail Air	0h 31m	4:07 AM	Watford	Junction Station	4:38 AM	London Heathrow Airport	London Heathrow Airport	Basic	$4	A Bus from Rail Air goes from Junction Station, Watford (United Kingdom) at 7/30/2026 4:07:00 AM to London Heathrow Airport, London Heathrow Airport (United Kingdom) arriving at 7/30/2026 4:38:00 AM. 50 Basic ticket for $4 per person are available. Travel duration is 0h 31m
Rail Air	0h 57m	6:45 AM	Watford	Junction Station	7:42 AM	London Heathrow Airport	London Heathrow Airport	Basic	$4	A Bus from Rail Air goes from Junction Station, Watford (United Kingdom) at 7/30/2026 6:45:00 AM to London Heathrow Airport, London Heathrow Airport (United Kingdom) arriving at 7/30/2026 7:42:00 AM. 50 Basic ticket for $4 per person are available. Travel duration is 0h 57m
Rail Air	0h 57m	7:45 AM	Watford	Junction Station	8:42 AM	London Heathrow Airport	London Heathrow Airport	Basic	$4	A Bus from Rail Air goes from Junction Station, Watford (United Kingdom) at 7/30/2026 7:45:00 AM to London Heathrow Airport, London Heathrow Airport (United Kingdom) arriving at 7/30/2026 8:42:00 AM. 50 Basic ticket for $4 per person are available. Travel duration is 0h 57m
Rail Air	0h 55m	8:52 AM	Watford	Junction Station	9:47 AM	London Heathrow Airport	London Heathrow Airport	Basic	$4	A Bus from Rail Air goes from Junction Station, Watford (United Kingdom) at 7/30/2026 8:52:00 AM to London Heathrow Airport, London Heathrow Airport (United Kingdom) arriving at 7/30/2026 9:47:00 AM. 50 Basic ticket for $4 per person are available. Travel duration is 0h 55m
Rail Air	0h 51m	9:56 AM	Watford	Junction Station	10:47 AM	London Heathrow Airport	London Heathrow Airport	Basic	$4	A Bus from Rail Air goes from Junction Station, Watford (United Kingdom) at 7/30/2026 9:56:00 AM to London Heathrow Airport, London Heathrow Airport (United Kingdom) arriving at 7/30/2026 10:47:00 AM. 50 Basic ticket for $4 per person are available. Travel duration is 0h 51m

Cheapest bus trips Sunday
BertCompanyCountOneCompanyName	Duration	Departure time	From	Departure	Arrival time	To	Destination	Seat classes	Price
Rail Air	0h 38m	4:07 AM	Watford	Junction Station	4:45 AM	London Heathrow Airport	London Heathrow Airport	Economy	$4	A Bus from Rail Air goes from Junction Station, Watford (United Kingdom) at 8/2/2026 4:07:00 AM to London Heathrow Airport, London Heathrow Airport (United Kingdom) arriving at 8/2/2026 4:45:00 AM. 50 Economy ticket for $4 per person are available. Travel duration is 0h 38m
Rail Air	0h 31m	4:07 AM	Watford	Junction Station	4:38 AM	London Heathrow Airport	London Heathrow Airport	Economy	$4	A Bus from Rail Air goes from Junction Station, Watford (United Kingdom) at 8/2/2026 4:07:00 AM to London Heathrow Airport, London Heathrow Airport (United Kingdom) arriving at 8/2/2026 4:38:00 AM. 50 Economy ticket for $4 per person are available. Travel duration is 0h 31m
Rail Air	0h 38m	5:12 AM	Watford	Junction Station	5:50 AM	London Heathrow Airport	London Heathrow Airport	Economy	$4	A Bus from Rail Air goes from Junction Station, Watford (United Kingdom) at 8/2/2026 5:12:00 AM to London Heathrow Airport, London Heathrow Airport (United Kingdom) arriving at 8/2/2026 5:50:00 AM. 50 Economy ticket for $4 per person are available. Travel duration is 0h 38m
Rail Air	0h 31m	5:12 AM	Watford	Junction Station	5:43 AM	London Heathrow Airport	London Heathrow Airport	Economy	$4	A Bus from Rail Air goes from Junction Station, Watford (United Kingdom) at 8/2/2026 5:12:00 AM to London Heathrow Airport, London Heathrow Airport (United Kingdom) arriving at 8/2/2026 5:43:00 AM. 50 Economy ticket for $4 per person are available. Travel duration is 0h 31m
Rail Air	0h 45m	6:04 AM	Watford	Junction Station	6:49 AM	London Heathrow Airport	London Heathrow Airport	Economy	$4	A Bus from Rail Air goes from Junction Station, Watford (United Kingdom) at 8/2/2026 6:04:00 AM to London Heathrow Airport, London Heathrow Airport (United Kingdom) arriving at 8/2/2026 6:49:00 AM. 50 Economy ticket for $4 per person are available. Travel duration is 0h 45m

Frequency of bus connections between Watford and London Heathrow Airport

See here how frequent the connections between Watford and London Heathrow Airport are, during different times and days of the week.

Thursday is the busiest day, with more than 62 daily buses from Watford to London Heathrow Airport. Tuesday has instead the fewest connections, with only 20 daily coaches between Watford and London Heathrow Airport.

The busiest time of the day is the Afternoon, with 67 buses from Watford to London Heathrow Airport, while Night sees the fewest connections between Watford and London Heathrow Airport, with 25 offers.

Facts about the bus from Watford to London Heathrow Airport (LHR)

Compare all providers like Rail Air that travel 43 times every day by bus from Watford to London Heathrow Airport in one click! Book your bus ticket from Watford to London Heathrow Airport starting from $4!

Cheapest Bus	$4
Fastest Bus	0h 31m
Earliest Bus	9:56 AM
Latest Bus	10:58 PM
Daily Bus Routes	43 Ø
Distance	13.0 miles
Bus Companies	Rail Air

Cheapest bus connections from Watford to London Heathrow Airport

Every day, 43 buses from 1 bus companies leave Watford for London Heathrow Airport: in the table below, you will find the cheapest prices for a bus ticket for this route, starting from 07/27/2026 and for the following days.

Sunday

Monday

Tuesday

Wednesday

Thursday

Friday

Saturday

Sunday 07/26

Monday 07/27

Tuesday 07/28

Wednesday 07/29

Thursday 07/30

Friday 07/31

Saturday 08/01

Sunday 08/02

Monday 08/03

Tuesday 08/04

Wednesday 08/05

Thursday 08/06

Friday 08/07

Saturday 08/08

Sunday 08/09

Monday 08/10

Tuesday 08/11

Wednesday 08/12

Thursday 08/13

Friday 08/14

Saturday 08/15

Sunday 08/16

Monday 08/17

Tuesday 08/18

Wednesday 08/19

Thursday 08/20

Friday 08/21

Saturday 08/22

The cheapest time to travel from Watford to London Heathrow Airport

See here on which day and which time of the day you can find the cheapest bus ticket from Watford to London Heathrow Airport, for the next 30 days.

With a price starting from $4, Wednesday is the cheapest day for a bus from Watford to London Heathrow Airport. Tuesday instead is the most expensive day with prices starting from $4.

Morning is the cheapest day time for bus tickets from Watford to London Heathrow Airport, with $4. Morning is the most expensive time of the day with prices starting from $4.

How to save money travelling from Watford to London Heathrow Airport

Travel can be expensive, but it doesn't need to be! Do you want to avoid paying a terrible price for your trip? Then follow these quick steps to save money:

Book the ticket from Watford to London Heathrow Airport in advance! The earlier you book, the cheaper usually the price is. Also, you will be sure to have a place on the bus from Watford to London Heathrow Airport, compared instead if you buy it at the last moment, or directly at the station.

If you can, avoid travelling at peak times. Instead of weekend, try travelling during the week. Travelling in the evening or at night it’s also cheaper, and later buses from Watford to London Heathrow Airport are also emptier.

All bus stations and stops in Watford and London Heathrow Airport

In the map below, you can see where to find all bus stations in Watford and London Heathrow Airport.

Garston Drive

Gap

M1 Motorway Northbound

Heathrow Bus Station

Heathrow Terminals 2 & 3

Heathrow Terminal 5 Bus Station

Wallis Rd

London Heathrow Airport

Longford TW6

London Heathrow Airport - Terminal 2 & 3

London Heathrow Airport - Hyatt Place

Bath Rd

Service and Comfort on the bus from Watford to London Heathrow Airport

Want to know which seat classes are available on the buses from Watford to London Heathrow Airport? Or which bus companies serve the route Watford to London Heathrow Airport? Below you will find answers to your questions.

FAQs about the Watford to London Heathrow Airport bus

How much does a Watford London Heathrow Airport bus trip cost?

This depends on, among other things, the day and time of travel. The cheapest trip is available from $4 and takes 0h 58m to reach London Heathrow Airport. Compare offers to save money!

How much could I save by comparing buses from Watford to London Heathrow Airport?

This route is offered by 1 companies with a range of ticket prices between $4 and $5. Thus, we recommend booking your ticket as early as possible to make sure you get the cheapest bus ticket to London Heathrow Airport.

On average, how many connections are available from Watford to London Heathrow Airport each day?

Every day, the Watford to London Heathrow Airport bus route is served by approximately 43 connections. With our search, you can compare bus times to find the perfect trip.

How long does a bus journey from Watford to London Heathrow Airport take?

The fastest shuttle from Watford to London Heathrow Airport is offered by Rail Air and takes 0h 31m. Bus tickets for this connection cost $4. In this context, bear in mind that the journey can take longer due to traffic.

What time is the first shuttle from Watford to London Heathrow Airport?

The earliest bus arriving in London Heathrow Airport from Watford starts at 9:56 AM. However, information regarding departure times may differ on weekends and holidays. Simply use our search to find exact times for your planned travel date.

What time is the last shuttle from Watford to London Heathrow Airport?

The latest bus trip departing from Watford for London Heathrow Airport starts at 10:58 PM. Please note that departure times may differ on weekends and holidays. So just use our search to find the exact times for your planned travel date.

Which bus companies operate the Watford London Heathrow Airport route?

When traveling by shuttle from Watford to London Heathrow Airport, passengers can travel with Rail Air. With our search, you can compare all available bus tickets to book the one that works for you.

Is there a direct bus between Watford and London Heathrow Airport?

You can check all the direct connections between Watford and London Heathrow Airport by using our search and looking at the Changes section in our filters. These are some of the companies which offer a direct bus: Rail Air.

What can I take with me on the Watford to London Heathrow Airport bus route?

Depending on which provider you travel with, what you're allowed to bring with you can vary. Generally, you can take a suitcase and hand luggage with you on the Watford London Heathrow Airport bus route free of charge. Simply use our search to find a shuttle that is best suited to your needs for your planned travel date.

What equipment is available for the Watford London Heathrow Airport bus route?

The equipment on board differs depending on the provider. However, many long-distance buses have WiFi so you can tell your friends your exact location during the journey. To make traveling even more pleasant, air conditioning systems provide ventilation. It is best to use our search to get precise information about the equipment of the shuttle from Watford to London Heathrow Airport on your planned travel date.

Available seat classes which are offered on the bus route Watford to London Heathrow Airport

Basic

Name referring to the typical seat you will find with companies that don’t distinguish between different classes.

Economy

The cheapest option available for your ticket, it usually comes with reclinable seats and AC.

More bus routes to Watford and to London Heathrow Airport

Here’s an overview of the most popular bus routes to Watford and to London Heathrow Airport. Simply click on the connection of your choice, and you will find all the details about your bus route!