The average bus between Heathrow and Parliament Square takes 1h 23m and the fastest bus takes 57 min. The bus runs at least 2 times per hour from Heathrow to Parliament Square. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.
Buses run every 30 minutes between Heathrow and Parliament Square. The earliest departure is at 1:00 AM at night, and the last departure from Heathrow is at 11:59 PM which arrives into Parliament Square at 1:20 AM. All services require a transfer at London Victoria Coach Station Arrivals and take an average of 1h 23m. The schedules shown below are for the next available departures.

1h 11m • 1 change
1h 24m • 1 change
1h 16m • 1 changeArrives next day

1h 8m • 1 change
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1h 14m • 1 change
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1h 4m • 1 change
1h 16m • 1 change
1h 14m • 1 change
1h 1m • 1 change
59 min • 1 changeWant to know about travelling from Heathrow to Parliament Square? We have put together a list of the most frequently asked questions from our users such as: What is the cheapest mode of transport? What is the quickest option? How much do tickets usually cost? and many more.
No, there is no direct bus from Heathrow to Parliament Square. However, there are services departing from Heathrow station and arriving at Parliament Square station via London Victoria Coach Station Arrivals station. The journey, including transfers, takes approximately 1h 23m.
Heathrow to Parliament Square bus services, operated by National Express, depart from Heathrow Central Bus Station.
Heathrow to Parliament Square bus services, operated by National Express, arrive at Westminster Station / Westminster Pier.
The distance between Heathrow and Parliament Square is 22.9 km. The road distance is 27 km.
You can take a bus from Heathrow Central Bus Station to Parliament Square via London Victoria Coach Station Arrivals, Victoria Coach Station, and Westminster Station / Westminster Pier in around 1h 20m.