The average bus between Union Station and National Aquarium takes 1h 31m and the fastest bus takes 59 min. There is a bus service every few hours from Union Station to National Aquarium. 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 hourly between Union Station and National Aquarium. The earliest departure is at 12:05 AM at night, and the last departure from Union Station is at 11:30 PM which arrives into National Aquarium at 12:41 AM. All services require a transfer at Baltimore Downtown Bus Station and take an average of 1h 31m. The schedules shown below are for the next available departures.

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Want to know about travelling from Union Station to National Aquarium? 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 Union Station to National Aquarium. However, there are services departing from Union Station station and arriving at National Aquarium station via Baltimore Downtown Bus Station station. The journey, including transfers, takes approximately 1h 31m.
Union Station to National Aquarium bus services, operated by Greyhound USA, depart from Washington Union Station.
Union Station to National Aquarium bus services, operated by Greyhound USA, arrive at Baltimore Downtown Bus Station.
The distance between Union Station and National Aquarium is 55.1 km. The road distance is 63 km.
Flixbus USA operates a bus from Washington Union Station to Baltimore Downtown Bus Station every 2 hours. Tickets cost $5–9 and the journey takes 1h. Two other operators also service this route.