Greyhound Lines offers the most comprehensive intercity bus services in the United States. They operate a modern, environmentally friendly fleet that serves more than 2400 destinations and carries nearly 16 million passengers annually. When traveling with them, you can expect free WiFi, onboard entertainment, bathrooms, power outlets and decent legroom. One of the great perks of Greyhound is that they connect big cities and smaller towns in the US, where you usually can't get to by train or plane. If you're looking for safe and affordable transportation, Greyhound is a great choice.
Flixbus is a European bus operator that offers intercity and bus travel in over 38 countries. Known for their easy-to-spot lime green buses and for offering affordable transportation between cities in Europe and the Americas, Flixbus is a good option for those looking for an affordable, reliable bus company. In their buses, you'll find free WiFi, bathrooms, and power outlets. You can also pay extra to choose your seat and get extra legroom, or even buy a snack or drink onboard directly from the driver. You can reschedule your ticket for a small fee, which varies from $1 to $5, depending on how close you are to the departure date.
Frequently asked questions about traveling from Seattle to Philadelphia, PA by bus
Please note that schedules, routes, or operator details shown here may be updated or vary at the time of your trip.
How much is the bus ticket from Seattle to Philadelphia?
The cheapest bus tickets from Seattle to Philadelphia start from $151. The average price for this route is around $460. Busbud recommends that you book your tickets in advance for a better chance to get the lowest possible price.
How long is the bus ride from Seattle to Philadelphia?
The average bus trip duration from Seattle to Philadelphia is 3d 22h, covering a distance of 2368 miles (3818 km). The quickest bus can get you there in 3d 11h and is operated by Greyhound.
Which bus companies service the Seattle to Philadelphia route?
Several major bus companies operate on this route with 13 buses available per day, including services from Greyhound, FlixBus.
What is the earliest and latest departure time for the bus from Seattle to Philadelphia?
The earliest bus departs from Seattle to Philadelphia at 2:40pm. And the latest bus departs at 10:50pm.
What are the CO₂ emissions for the bus trip from Seattle to Philadelphia?
A bus trip from Seattle to Philadelphia generates an estimated 95 kg of CO₂, making it a highly eco-friendly travel option and recommended mode of travel by Busbud.
What is the best bus company from Seattle to Philadelphia?
According to Busbud customers, the highest-rated bus company on this route is Greyhound, with an average rating of 3.5 out of 5 stars based on 87435 reviews.
Which bus company has the best Wi-Fi from Seattle to Philadelphia?
Based on reviews on Busbud, the bus company FlixBus has the best Wi-Fi rating with a score of 2.7.
Which bus company has the most timely service from Seattle to Philadelphia?
According to Busbud traveller reviews, the most timely bus company on this route is FlixBus, with a punctuality rating of 3.9 out of 5 stars.
Which bus company has the cleanest buses from Seattle to Philadelphia?
According to Busbud traveller reviews, the bus company with the cleanest buses on this route is FlixBus, with a cleanliness rating of 4.1 out of 5 stars.
Find cheapest prices for buses
Price is for a one-way ticket for one passenger and based on past searches.
Best price found
12/23
$676
12/24
$614
Today
$831
12/26
$918
12/27
$499
12/28
$429
12/29
$424
12/30
$467
The cheapest trip from Seattle to Philadelphia, PA was searched and found on Dec 29, 2025 with a price of $424
To save money and be sure you have the best seat, it's a good idea to buy your bus tickets from Seattle to Philadelphia, PA, as early as possible.
You can expect to pay from $424 to $918 for a bus ticket from Seattle to Philadelphia, PA based on the last 2 days. You can expect to find the cheapest price for the trip at $424 which is on 2025-12-29.
The cheapest trip from Seattle to Philadelphia, PA was searched and found on Dec 29, 2025 with a price of $424
