Next bus departures
| Operated by | Vehicle type | Departure time | Departure location | Trip duration | Arrival time | Arrival location | Recommended | Price and booking link |
|---|---|---|---|---|---|---|---|---|
 | Bus | Heathrow Airport (T2) arrivals | Watford Junction | Cheapest | ||||
| Bus | Heathrow Airport (T3) | Watford Junction | Fastest | ||||
| Bus | Heathrow Airport (T2) arrivals | Watford Junction | No tags | ||||
| Bus | Heathrow Airport (T2) arrivals | Watford Junction | No tags | ||||
| Bus | Heathrow Airport (T2) arrivals | Watford Junction | No tags |
Last refresh of the prices: Today at 2:46 PM GMT.
Compare 2 ways to go from Heathrow to Watford
We recommend carpooling
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 $8, it presents an excellent value for a comfortable ride.
1carpool per day
30mAverage Duration
22 kmDistance
1kgCO₂ emissions
| Average Price | Average Duration | CO₂ emissions | Actions | |
|---|---|---|---|---|
| Average Price$26 - $26 | Average Duration46m | 1kg CO₂e | ||
Carpool | Average Price$8 - $9 | Average Duration30m | 1kg CO₂e |
Compare bus companies
4.5 out of 5 stars4.5/592 reviews
4 out of 5 stars4/529,716 reviews
GB Bus Companies: FlixBus, BlaBlaCar Bus, ALSA, Greyhound, Intercape, Trenitalia, Sindbad
Frequently asked questions about travelling from Heathrow to Watford by bus
What is the travel distance from Heathrow to Watford?
The distance between Heathrow and Watford is approximately 23 km (14 miles).
Find cheapest prices for buses
Price is for a one-way ticket for one passenger and based on past searches.
Best price found
11-16
$22
11-17
$22
Today
$22
11-19
$22
11-20
$22
11-21
$22
11-22
No data
11-23
$22
The cheapest trip from Heathrow to Watford was searched and found on Nov 21, 2025 with a price of $22To 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 $22 to $22 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 $22 which is on 2025-11-21.
