How much is the bus ticket from San Sebastian to Porto?

The cheapest bus tickets from San Sebastian to Porto start from $26. The average price for this route is around $85. 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 San Sebastian to Porto?

The average bus trip duration from San Sebastian to Porto is 13h 30m, covering a distance of 369 miles (595 km). The quickest bus can get you there in 9h 55m and is operated by FlixBus .

Which bus companies service the San Sebastian to Porto route?

Several major bus companies operate on this route with 7 buses available per day, including services from FlixBus , ALSA , BlaBlaCar Bus .

What is the earliest and latest departure time for the bus from San Sebastian to Porto?

The earliest bus departs from San Sebastian to Porto at 12:50am. And the latest bus departs at 10:40pm.

What are the CO₂ emissions for the bus trip from San Sebastian to Porto?

A bus trip from San Sebastian to Porto generates an estimated 15 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 San Sebastian to Porto?

According to Busbud customers, the highest-rated bus company on this route is ALSA , with an average rating of 4.3 out of 5 stars based on 60787 reviews.

Which bus company has the best Wi-Fi from San Sebastian to Porto?

Based on reviews on Busbud, the bus company ALSA has the best Wi-Fi rating with a score of 3.5.

Which bus company has the most timely service from San Sebastian to Porto?

According to Busbud traveller reviews, the most timely bus company on this route is ALSA , with a punctuality rating of 4.3 out of 5 stars.

Which bus company has the cleanest buses from San Sebastian to Porto?

According to Busbud traveller reviews, the bus company with the cleanest buses on this route is ALSA , with a cleanliness rating of 4.7 out of 5 stars.

Bus San Sebastian to Porto from $24 | Refundable Tickets

Next bus departures

Next departures for San Sebastian to Porto on December 4
Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
Bus	6:45am	Donostia	13h 30m	7:15pm	Campanhã Bus terminal	Cheapest
Bus	9:35am	Donostia	11h 35m	8:10pm	Campanhã Bus terminal	Fastest
Bus	8:05am	Donostia	17h 50m	12:55am	Porto Airport (OPO)	No tags
Bus	9:35am	Donostia	22h 35m	7:10am	Porto Airport (OPO)	No tags

Next departures for San Sebastian to Porto on December 5
Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
Bus	3:45am	Estación de Autobuses de San Sebastian	14h 9m	4:54pm	TIC - Terminal Intermodal Campanhã- R. de Bonjóia, 4300-084 Porto	Cheapest
Bus	10:40pm	Donostia	9h 55m	7:35am	Campanhã Bus terminal	Fastest
Bus	12:50am	Donostia	16h 9m	3:59pm	Aeropuerto Porto - OPO - Francisco Sá Carneiro Airport	No tags
Bus	2:45am	Donostia	12h 55m	2:40pm	Campanhã Bus terminal	No tags
Bus	12:50am	Donostia	16h 9m	3:59pm	Aeropuerto Porto - OPO - Francisco Sá Carneiro Airport	No tags

Next departures for San Sebastian to Porto on December 7
Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
Bus	8:15am	Estación de Autobuses de San Sebastian	12h 44m	7:59pm	OPO Aeropuerto	Cheapest
Bus	10:40pm	Donostia	9h 55m	7:35am	Campanhã Bus terminal	Fastest
Bus	8:15am	Estación de Autobuses de San Sebastian	12h 44m	7:59pm	OPO Aeropuerto	No tags
Bus	2:45am	Donostia	12h 55m	2:40pm	Campanhã Bus terminal	No tags
Bus	8:15am	Estación de Autobuses de San Sebastian	13h 15m	8:30pm	TIC - Terminal Intermodal Campanhã- R. de Bonjóia, 4300-084 Porto	No tags

Last refresh of the prices: Today at 8:46 AM CET.

Compare 2 ways to go from San Sebastian to Porto

We recommend carpooling

Among the sustainable travel choices, the carpool stands out as the good way to reach Porto. The journey takes about 8 hours 10 minutes and with fares starting at just $37, it presents an excellent value for a comfortable ride.

2carpool per day

8h 10mAverage Duration

371 milesDistance

25kgCO₂ emissions

	Average Price	Average Duration	CO₂ emissions	Actions
Bus	Average Price$26 - $244	Average Duration13h 30m	CO₂ emissions 15kg CO₂e
Carpool	Average Price$37 - $119	Average Duration8h 10m	CO₂ emissions 25kg CO₂e

Where are the popular stops in San Sebastian and Porto?

Stops in San Sebastian

A
Donostia
Federico García Lorca Pasealekua, 2, 20014 Donostia, Gipuzkoa, Spain
Visit page
B
Pío XII
Pio XII.aren Plaza, 3, 20010 Donostia, Gipuzkoa, Spain
C
Universidad
Tolosa Hiribidea, 71, 20018 Donostia, Gipuzkoa, Spain

Stops in Porto

A
Porto Airport
Visit page
B
TIC - Terminal Intermodal Campanhã
Terminal Intermodal de Campanhã, R. de Bonjóia, 4300-084 Porto, Portugal
Visit page
C
Casa da Música
Rua do Capitão Henrique Galvão, 4050-424 Porto, Portugal
Visit page
D
Praça do Infante D. Henrique
R. da Bolsa 1834, 4050-295 Porto, Portugal
E
Campo 24 de Agosto
Campo 24 de Agosto 147, 4300 Porto, Portugal
F
Praça da Galiza, 96
Praça da Galiza 96, 4050-481 Porto, Portugal

Compare bus companies

FlixBus

3.5/511,505 reviews

Staff4.2

Timeliness3.9

Cleanliness4.1

Wifi2.7

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.

ALSA

4.5/560,864 reviews

Staff4.7

Timeliness4.4

Cleanliness4.7

Wifi3.5

BlaBlaCar Bus

3.5/511,187 reviews

Staff4.4

Timeliness3.7

Cleanliness4.3

Wifi2.6

PT bus companies: FlixBus, BlaBlaCar Bus, ALSA, Greyhound, Intercape, Rede Expressos, Trenitalia

Frequently asked questions about traveling from San Sebastian to Porto 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 San Sebastian to Porto?
The cheapest bus tickets from San Sebastian to Porto start from $26. The average price for this route is around $85. 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 San Sebastian to Porto?
The average bus trip duration from San Sebastian to Porto is 13h 30m, covering a distance of 369 miles (595 km). The quickest bus can get you there in 9h 55m and is operated by FlixBus.
Which bus companies service the San Sebastian to Porto route?
Several major bus companies operate on this route with 7 buses available per day, including services from FlixBus, ALSA, BlaBlaCar Bus.
What is the earliest and latest departure time for the bus from San Sebastian to Porto?
The earliest bus departs from San Sebastian to Porto at 12:50am. And the latest bus departs at 10:40pm.
What are the CO₂ emissions for the bus trip from San Sebastian to Porto?
A bus trip from San Sebastian to Porto generates an estimated 15 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 San Sebastian to Porto?
According to Busbud customers, the highest-rated bus company on this route is ALSA, with an average rating of 4.3 out of 5 stars based on 60787 reviews.
Which bus company has the best Wi-Fi from San Sebastian to Porto?
Based on reviews on Busbud, the bus company ALSA has the best Wi-Fi rating with a score of 3.5.
Which bus company has the most timely service from San Sebastian to Porto?
According to Busbud traveller reviews, the most timely bus company on this route is ALSA, with a punctuality rating of 4.3 out of 5 stars.
Which bus company has the cleanest buses from San Sebastian to Porto?
According to Busbud traveller reviews, the bus company with the cleanest buses on this route is ALSA, with a cleanliness rating of 4.7 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

12/01

$41

12/02

$81

Today

$41

12/04

$52

12/05

$58

12/06

$24

12/07

$41

12/08

$41

The cheapest trip from San Sebastian to Porto was searched and found on Dec 6, 2025 with a price of $24

To save money and be sure you have the best seat, it's a good idea to buy your bus tickets from San Sebastian to Porto, as early as possible.

You can expect to pay from $24 to $188 for a bus ticket from San Sebastian to Porto based on the last 2 days. You can expect to find the cheapest price for the trip at $24 which is on 2025-12-06.

Usually ALSA 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.