How much is the bus ticket from Castelo Branco to San Sebastian?

The cheapest bus tickets from Castelo Branco to San Sebastian start from $48. The average price for this route is around $66. 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 Castelo Branco to San Sebastian?

The average bus trip duration from Castelo Branco to San Sebastian is 10h 44m, covering a distance of 373 miles (601 km). The quickest bus can get you there in 10h 44m and is operated by Rede Expressos .

Which bus companies service the Castelo Branco to San Sebastian route?

Several major bus companies operate on this route with 1 buses available per day, including services from Rede Expressos , FlixBus , BlaBlaCar Bus , Rede Expressos .

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

The earliest bus departs from Castelo Branco to San Sebastian at 4:00pm. And the latest bus departs at 4:00pm.

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

A bus trip from Castelo Branco to San Sebastian 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 Castelo Branco to San Sebastian?

According to Busbud customers, the highest-rated bus company on this route is Rede Expressos , with an average rating of 4.2 out of 5 stars based on 24108 reviews.

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

Based on reviews on Busbud, the bus company Rede Expressos has the best Wi-Fi rating with a score of 3.8.

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

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

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

According to Busbud traveller reviews, the bus company with the cleanest buses on this route is Rede Expressos , with a cleanliness rating of 4.8 out of 5 stars.

Bus Castelo Branco to San Sebastian from $60 | Refundable Tickets

Next bus departures

Next departures for Castelo Branco to San Sebastian on December 17
Operated by	Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended	Price and booking link
	Bus	4:00pm	Castelo Branco	10h 44m	3:44am	Donostia	CheapestFastest

Last refresh of the prices: 12/10/2025 WET.

Compare 2 ways to go from Castelo Branco to San Sebastian

We recommend carpooling

Among the sustainable travel choices, the carpool stands out as the good way to reach San Sebastian. The journey takes about 8 hours 10 minutes and with fares starting at just $52, it presents an excellent value for a comfortable ride.

1carpool per day

8h 10mAverage Duration

373 milesDistance

25kgCO₂ emissions

	Average Price	Average Duration	CO₂ emissions	Actions
Bus	Average Price$48 - $110	Average Duration10h 44m	CO₂ emissions 15kg CO₂e
Carpool	Average Price$52 - $52	Average Duration8h 10m	CO₂ emissions 25kg CO₂e

Where are the popular stops in Castelo Branco and San Sebastian?

Stops in Castelo Branco

A
Castelo Branco
R. da Sra. da Piedade 3C, 6000-279 Castelo Branco, Portugal
B
Castelo Branco Rodoviária Da Beira Interior
R. Poe. João Roiz,, 6000-260 Castelo Branco, Portugal
Visit page
C
Ponto de Ônibus de Castelo Branco
R. do Saibreiro 10, 6000-081 Castelo Branco, Portugal

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

Compare bus companies

Rede Expressos

4/524,188 reviews

Staff4.6

Timeliness4.3

Cleanliness4.8

Wifi3.8

FlixBus

3.5/511,631 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.

BlaBlaCar Bus

3.5/511,236 reviews

Staff4.4

Timeliness3.7

Cleanliness4.3

Wifi2.6

Rede Expressos

4/53,772 reviews

Staff4.7

Timeliness4.4

Cleanliness4.8

Wifi3.7

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

Frequently asked questions about traveling from Castelo Branco to San Sebastian 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 Castelo Branco to San Sebastian?
The cheapest bus tickets from Castelo Branco to San Sebastian start from $48. The average price for this route is around $66. 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 Castelo Branco to San Sebastian?
The average bus trip duration from Castelo Branco to San Sebastian is 10h 44m, covering a distance of 373 miles (601 km). The quickest bus can get you there in 10h 44m and is operated by Rede Expressos.
Which bus companies service the Castelo Branco to San Sebastian route?
Several major bus companies operate on this route with 1 buses available per day, including services from Rede Expressos, FlixBus, BlaBlaCar Bus, Rede Expressos.
What is the earliest and latest departure time for the bus from Castelo Branco to San Sebastian?
The earliest bus departs from Castelo Branco to San Sebastian at 4:00pm. And the latest bus departs at 4:00pm.
What are the CO₂ emissions for the bus trip from Castelo Branco to San Sebastian?
A bus trip from Castelo Branco to San Sebastian 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 Castelo Branco to San Sebastian?
According to Busbud customers, the highest-rated bus company on this route is Rede Expressos, with an average rating of 4.2 out of 5 stars based on 24108 reviews.
Which bus company has the best Wi-Fi from Castelo Branco to San Sebastian?
Based on reviews on Busbud, the bus company Rede Expressos has the best Wi-Fi rating with a score of 3.8.
Which bus company has the most timely service from Castelo Branco to San Sebastian?
According to Busbud traveller reviews, the most timely bus company on this route is Rede Expressos, with a punctuality rating of 4.3 out of 5 stars.
Which bus company has the cleanest buses from Castelo Branco to San Sebastian?
According to Busbud traveller reviews, the bus company with the cleanest buses on this route is Rede Expressos, with a cleanliness rating of 4.8 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

12/15

$44

12/16

No data

Today

$60

12/18

No data

12/19

$100

12/20

No data

12/21

No data

12/22

$100

The cheapest trip from Castelo Branco to San Sebastian was searched and found on Dec 15, 2025 with a price of $44

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

You can expect to pay from $44 to $100 for a bus ticket from Castelo Branco to San Sebastian based on the last 2 days. You can expect to find the cheapest price for the trip at $100 which is on 2025-12-19.