Among the sustainable travel choices, the carpool stands out as the good way to reach Sines. The journey takes about 4 hours 20 minutes and with fares starting at just $23, it presents an excellent value for a comfortable ride.
Based on 23938 reviews, the company was rated 4.2 stars on Busbud. Travelers were especially satisfied with the cleanliness and the ticket access but often complained with the power outlets. Rede Expressos ticket prices on this trip start at $37
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.
Based on 3772 reviews, the company was rated 4.1 stars on Busbud. Travelers were especially satisfied with the cleanliness and the ticket access but often complained with the wifi. Rede Expressos ticket prices on this trip start at $44
Based on 4281 reviews, the company was rated 4 stars on Busbud. Travelers were especially satisfied with the ticket access and the departure location but often complained with the power outlets. Rede Expressos ticket prices on this trip start at $45
Frequently asked questions about traveling from Porto to Sines by bus
How far is Porto from Sines?
The distance between the two cities is 221 miles (357 km).
What are the departure and arrival stations when taking the bus from Porto to Sines?
Most of the buses traveling from Porto to Sines leave from Porto Airport and arrive at Rede Expressos. These are the primary departure and arrival locations on this route, but you can also find other options that could better fit your plans.
Find cheapest prices for buses
Price is for a one-way ticket for one passenger and based on past searches.
Best price found
11/19
$20
11/20
$26
Today
No data
11/22
$31
11/23
$29
11/24
$20
11/25
$34
11/26
No data
The cheapest trip from Porto to Sines was searched and found on Nov 24, 2025 with a price of $20
To save money and be sure you have the best seat, it's a good idea to buy your bus tickets from Porto to Sines, as early as possible.
You can expect to pay from $20 to $41 for a bus ticket from Porto to Sines based on the last 2 days. You can expect to find the cheapest price for the trip at $20 which is on 2025-11-24.
Usually Rede Expressos will charge you higher prices for tickets closer to the departure date. To find the best prices, you should be flexible on your date of travel.