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.
Greyhound Lines, Inc. Key West Marathon recent customer reviews
I was put off by the driver reciting the “does and don’ts on the bus” as with left the terminal. I’m sorry if your past passengers’ conduct requires this. I have ridden your route from EYW to MAR years without any problems.
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 Key West to Marathon, US 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 Key West to Marathon?
The cheapest bus tickets from Key West to Marathon start from $18. The average price for this route is around $20. 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 Key West to Marathon?
The average bus trip duration from Key West to Marathon is 1h 5m, covering a distance of 46 miles (75 km). The quickest bus can get you there in 1h 5m and is operated by Greyhound.
Which bus companies service the Key West to Marathon route?
Several major bus companies operate on this route with 2 buses available per day, including services from Greyhound, FlixBus.
What is the earliest and latest departure time for the bus from Key West to Marathon?
The earliest bus departs from Key West to Marathon at 10:00am. And the latest bus departs at 5:00pm.
What are the CO₂ emissions for the bus trip from Key West to Marathon?
A bus trip from Key West to Marathon generates an estimated 2 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 Key West to Marathon?
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 Key West to Marathon?
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 Key West to Marathon?
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 Key West to Marathon?
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
$17
12/24
$17
Today
$17
12/26
$17
12/27
$16
12/28
$15
12/29
$15
12/30
$15
The cheapest trip from Key West to Marathon, US was searched and found on Dec 28, 2025 with a price of $15
To save money and be sure you have the best seat, it's a good idea to buy your bus tickets from Key West to Marathon, US, as early as possible.
You can expect to pay from $15 to $18 for a bus ticket from Key West to Marathon, US based on the last 2 days. You can expect to find the cheapest price for the trip at $15 which is on 2025-12-28.
The cheapest trip from Key West to Marathon, US was searched and found on Dec 28, 2025 with a price of $15
