Next bus departures
| Operated by | Vehicle type | Departure time | Departure location | Trip duration | Arrival time | Arrival location | Recommended | Price and booking link |
|---|---|---|---|---|---|---|---|---|
 | Bus | Watford Junction | Heathrow Airport (T3) | Cheapest | ||||
| Bus | Watford Junction | Heathrow Airport (T2) arrivals | Fastest | ||||
| Bus | Watford Junction | Heathrow Airport (T3) | No tags | ||||
| Bus | Watford Junction | Heathrow Airport (T3) | No tags | ||||
| Bus | Watford Junction | Heathrow Airport (T3) | No tags |
Last refresh of the prices: Last Thursday at 12:29 PM GMT.
Compare 2 ways to go from Watford to Heathrow
We recommend taking the bus
Among the sustainable travel choices, the bus stands out as the good way to reach Heathrow. The journey takes about 48 minutes and with fares starting at just $18, it presents an excellent value for a comfortable ride.
38bus per day
48mAverage Duration
14 milesDistance
1kgCO₂ emissions
| Average Price | Average Duration | CO₂ emissions | Actions | |
|---|---|---|---|---|
| Average Price$18 - $19 | Average Duration48m | 1kg CO₂e | ||
Carpool | Average Price$3 - $3 | Average Duration20m | 1kg CO₂e |
Compare bus companies
4.5 out of 5 stars4.5/592 reviews
3.5 out of 5 stars3.5/54,274 reviews
GB bus companies: FlixBus, BlaBlaCar Bus, ALSA, Greyhound, Intercape, Trenitalia, National Express
Frequently asked questions about traveling from Watford to Heathrow by bus
Find cheapest prices for buses
Price is for a one-way ticket for one passenger and based on past searches.
Best price found
11/17
$15
11/18
$15
Today
$15
11/20
$15
11/21
$15
11/22
No data
11/23
$15
11/24
No data
The cheapest trip from Watford to Heathrow was searched and found on Nov 21, 2025 with a price of $15To save money and be sure you have the best seat, it's a good idea to buy your bus tickets from Watford to Heathrow, as early as possible.
You can expect to pay from $15 to $15 for a bus ticket from Watford to Heathrow based on the last 2 days. You can expect to find the cheapest price for the trip at $15 which is on 2025-11-21.
