Previously seen journeys
| Operated by | Vehicle type | Departure time | Departure location | Trip duration | Arrival time | Arrival location | Recommended | Price and booking link |
|---|---|---|---|---|---|---|---|---|
 | Bus | Heathrow Airport (T3) | Watford Junction | No tags | ||||
| Bus | Heathrow Airport (T3) | Watford Junction | No tags | ||||
| Bus | Heathrow Airport (T3) | Watford Junction | No tags | ||||
| Bus | Heathrow Airport (T3) | Watford Junction | No tags | ||||
| Bus | Heathrow Airport (T3) | Watford Junction | No tags |
Compare 2 ways to travel from Heathrow to Watford
Among the sustainable travel choices, the carpool stands out as a good way to reach Watford. The journey takes about 30 minutes and with fares starting at just R 86, it presents an excellent value for a comfortable ride.
| Average price | Average duration | CO₂ emissions | Actions | |
|---|---|---|---|---|
| Average priceR 303 - R 310 | Average duration46m | 1kg CO₂e | ||
Carpool | Average priceR 86 - R 106 | Average duration30m | 1kg CO₂e |
Compare bus companies
Based on 92 reviews, the company was rated 4.5 stars on Busbud. Travellers were especially satisfied with the seats and the cleanliness but often complained with the Wi-Fi. Reading RailAir ticket prices on this trip start at R 303
Frequently asked questions about travelling from Heathrow to Watford by bus
Please note that timetables, routes, or operator details shown here may be updated or differ at the time of your trip.
How much is the bus ticket from Heathrow to Watford?
The cheapest bus tickets from Heathrow to Watford start at R 303. The average price for this route is around R 307. Busbud recommends booking your tickets in advance for the best chance of getting the lowest possible price.
How long is the bus journey from Heathrow to Watford?
The average bus journey time from Heathrow to Watford is 46m, covering a distance of 22 km. The fastest bus gets you there in 35m and is operated by Reading RailAir.
Which bus companies service the Heathrow to Watford route?
Several major bus companies operate on this route with 36 buses available per day.
What is the earliest and latest departure time for the bus from Heathrow to Watford?
The earliest bus departs from Heathrow to Watford at 04:30. And the latest bus departs at 23:49.
What are the CO₂ emissions for the bus trip from Heathrow to Watford?
A bus trip from Heathrow to Watford produces an estimated 1 kg of CO₂, making it a highly eco-friendly travel option and Busbud’s recommended way to travel.
Find cheapest prices for buses
Price is for a one-way ticket for one passenger and based on past searches.
The cheapest trip from Heathrow to Watford was searched and found on 20 Dec 2025 with a price of R 253To save money and be sure you have the best seat, it's a good idea to buy your bus tickets from Heathrow to Watford as early as possible.
You can expect to pay from R 253 to R 256 for a bus ticket from Heathrow to Watford based on the last 2 days. You can expect to find the cheapest price for the trip at R 253, which is on 2025-12-20.
