Find coaches from Washington, DC, US to Portsmouth, NH, US

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Previously seen journeys

One passenger / one way

  • Departure time: 19 October at
    Departure city: Washington
    Departure location: Arlington (Rosslyn), 1001 Wilson Blvd.
    Arrival time: 19 October at
    Destination city: Portsmouth
    Destination location: Portsmouth
    Operated by: Greyhound + FlixBus
    Greyhound + FlixBus
    Vehicle: BusDuration:
  • Departure time: 19 October at
    Departure city: Washington
    Departure location: Union Station
    Arrival time: 19 October at
    Destination city: Portsmouth
    Destination location: Portsmouth
    Operated by: FlixBus + Greyhound
    FlixBus + Greyhound
    Vehicle: BusDuration:
  • Departure time: 19 October at
    Departure city: Washington
    Departure location: Bethesda - 4550 Montgomery Ave
    Arrival time: 20 October at
    Destination city: Portsmouth
    Destination location: Portsmouth
    Operated by: FlixBus + Greyhound
    FlixBus + Greyhound
    Vehicle: BusDuration:
  • Departure time: 19 October at
    Departure city: Washington
    Departure location: Union Station
    Arrival time: 20 October at
    Destination city: Portsmouth
    Destination location: Portsmouth
    Operated by: GreyhoundGreyhound
    Vehicle: BusDuration:
  • Departure time: 3 November at
    Departure city: Washington
    Departure location: Arlington (Rosslyn), 1001 Wilson Blvd.
    Arrival time: 3 November at
    Destination city: Portsmouth
    Destination location: Portsmouth
    Operated by: Greyhound + FlixBus
    Greyhound + FlixBus
    Vehicle: BusDuration:

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Bus Washington, DC, US to Portsmouth, NH, US: Trip Overview

Average ticket priceUS$75
Average bus trip duration13h 20m
Number of daily buses4
Earliest bus departure06:30
Distance434 miles
Latest bus departure23:55

Washington to Portsmouth Bus

Busbud helps you find a bus from Washington to Portsmouth. Get the best fare and schedule, book a round trip ticket or find buses with WiFi and electrical outlets.

We make it our job to connect you with the most dependable bus companies that cover bus service from Washington to Portsmouth.

Whether it is cheap bus tickets or more luxurious buses going to Portsmouth from Washington, we help you find what you're looking for based on how much of a budget you have.

Frequently asked questions on the trip Washington, DC, US - Portsmouth, NH, US

  1. What's the distance between Washington and Portsmouth by coach?

    The distance between Washington and Portsmouth by coach is approximately 434 miles (700 km).

  2. What is the best way to go from Washington to Portsmouth without flying?

    You can choose the coach to travel this route. Choosing the coach guarantees a comfortable and sustainable travel experience, allowing you to admire the views on your way to your destination. You might also find carpooling options to travel between the two cities.

Find cheapest prices for buses

Price is for a one-way ticket for one passenger and based on past searches.

Best price found
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US$62
busbud logoThe cheapest trip from Washington, DC, US to Portsmouth, NH, US was searched and found on 6 Sept 2025 with a price of US$62

To save money and be sure you have the best seat, it's a good idea to buy your bus tickets from Washington, DC, US to Portsmouth, NH, US as early as possible.

You can expect to pay from US$62 to US$62 for a bus ticket from Washington, DC, US to Portsmouth, NH, US based on the last 2 days. You can expect to find the cheapest price for the trip at US$62, which is on 2025-09-06.

About Bus Travel

Bus Travel Tips

Make friends with the driver. They usually know a lot about your destination and may even recommend which side of the bus to sit on to get the best views on the road between Washington and Portsmouth!

From miles long of beauteous natural landscapes to impressive man-crafted sights, you’re bound to be in for a visual treat on your bus trip from Washington to Portsmouth.

Buses are energy-efficient. Carrying a passenger over 100 kms by coach only takes 0.6-0.9 liters of gas. Compare that to the 2.6 liters required by high-speed train, 6.6 liters by airplane and 7.6 liters by gas-powered car, and it's clear that the bus is a more environmentally-conscious option for your bus transportation from Washington to Portsmouth.

Tune out to the fine sounds of your best music playlist on your bus trip from Washington to Portsmouth while indulging in miles on end of beautiful scenic views.

Did you know?

It takes 27 hours to go by bus from Lima to Cusco, one of the craziest bus trips on the world. This route is used daily by locals and backpackers.

The Superbus, created by a Dutch engineer is the world's fastest bus with 250 km/h. Too bad it's only a prototype for now.

The word 'bus' is an abbreviation of 'omnibus" which means 'for all' in Latin as buses were meant to be transportation for everybody.

Will you be returning to Washington, DC, US by bus?

Bus from Portsmouth, NH, US to Washington, DC, US

Why choose Busbud?

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Busbud makes bus travel easy. We help travellers find a bus, plot routes, and book intercity bus tickets all over the world. With several language and currency options available, Busbud seeks to cater to international bus travellers no matter where they are in the world. Busbud prides itself on its worldwide partnerships. We make it possible for you to buy tickets with its large network of trustworthy bus partners like Greyhound, Eurolines, ALSA, OUIBUS (BlaBlaBus), National Express and many others.

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