The cheapest and fastest buses from Castro Urdiales to Donostia-San Sebastian
Cheapest price
$15
Average price
$15
Fastest journey
1 h 45 m
Average duration
1 h 45 m
Buses per day
1
Distance
101 km
The best way to find a cheap bus ticket from Castro Urdiales to Donostia-San Sebastian is to book your journey as far in advance as possible and to avoid traveling at rush hour.
The average ticket from Castro Urdiales to Donostia-San Sebastian will cost around $15 if you buy it on the day, but the cheapest tickets can be found for only $15.
Of the 1 buses that leave Castro Urdiales for Donostia-San Sebastian on Sun, Mar 29, 1 travel direct so it’s quite easy to avoid journeys where you’ll have to change along the way.
On Sun, Mar 29 the direct buses cover the 101 km distance in an average of 1 h 45 m but if you time it right, some buses will get you there in just 1 h 45 m .
On Sun, Mar 29 the slowest buses will take 1 h 45 m and usually involve a change or two along the way, but you might be able to save a few pennies if you’re on a budget.
06:45PM1h45Castro Urdiales08:30PMDonostia-San Sebastian$151One-way0 transfers
06:45PM1h45Castro Urdiales08:30PMDonostia-San Sebastian$151One-way0 transfers
Live departures
Castro Urdiales to Donostia-San Sebastian bus times
The table below shows live departures for Castro Urdiales to Donostia-San Sebastian buses for today, Saturday, March 28. You can also manually refresh the results below to see updated bus journeys.
| Provider | Departs | Duration | Arrives | Transfers | Tickets |
|---|---|---|---|---|---|
![]() | 6:45 PM Castro Urdiales | 1h45 | 8:30 PM Donostia-San Sebastian | 0 transfersDirect | |
This is the last bus of the day. | |||||
Find all the dates and times for this journey
Compare prices and tickets Castro Urdiales to Donostia-San Sebastian by bus
Compare bus prices over the next three weeks. See the best deals at a glance, find the lowest fares, and choose the option that fits your budget.
Mar 29
Mar 30
Mar 31
Apr 01
Apr 02
Apr 03
Apr 04
Why should you book Castro Urdiales to Donostia-San Sebastian buses with Omio?
Why book with Omio vs Alsa?
- Designed for International Travelers: Omio is in your language including 24/7 customer service and offers multiple payment options, including PayPal, credit cards, and bank transfer, in your preferred currency.
Journey information
Overview: Bus from Castro Urdiales to Donostia-San Sebastian
Buses from Castro Urdiales to Donostia-San Sebastian run on average 6 times per day, taking around 1h 37m. Cheap bus tickets for this journey start at $13 (€11) if you book in advance.
There are 5 buses per day. The earliest bus runs at 10:00, the last at 21:20. The fastest bus covers the 62 miles (101 km) distance in 1h 45m.
Distance 62 miles (101 km) |
Average bus duration 1h 37m |
Cheapest ticket price $13 (€11) |
Buses per day 6 |
Direct buses 5 |
Fastest bus 1h 45m |
First bus 10:00 |
Last bus 21:20 |
Bus providers: Alsa, BlaBlaCar from Castro Urdiales to Donostia-San SebastianYou can travel by bus between Castro Urdiales to Donostia-San Sebastian with Alsa, BlaBlaCar for as low as $13 (€11). When you search for schedules and tickets, Omio will show you the best journey
Alsa
BlaBlaCar
FAQs: Bus from Castro Urdiales to Donostia-San Sebastian
Find answers to the most common questions about traveling from Castro Urdiales to Donostia-San Sebastian by bus. From journey times and ticket prices to direct connections, first and last departures, and even whether the route is scenic, our FAQs cover everything you need to plan your trip. Whether you’re looking for the fastest bus, the cheapest option, or tips for making the most of your visit at Donostia-San Sebastian, this guide helps you travel smarter and with confidence.

- Alsa
- Assistance
- Priority boarding
- Accessible seating.
- La Concha Beach, a picturesque crescent-shaped beach known for its golden sand and clear waters
- Old Town (Parte Vieja), a historic district filled with narrow streets, vibrant pintxo bars, and traditional Basque architecture
- Monte Igueldo, a hill offering panoramic views of the city and a vintage amusement park
- San Telmo Museoa, a museum dedicated to Basque society and culture housed in a 16th-century convent
- Miramar Palace, a former royal summer residence with beautiful gardens and views of the bay.
- Surfing at Zurriola Beach, a popular spot for surfers of all levels
- Enjoying a pintxo tour in the vibrant bars of the Old Town
- Riding the funicular to Monte Igueldo for stunning views and amusement park fun
- Exploring the Aquarium, featuring a variety of marine life and an impressive ocean tunnel
- Attending a concert or event at the Kursaal Congress Centre.
- Alsa
- You can cancel your ticket up to 48 hours before departure for a partial refund. Changes allowed for a fee.
- Alsa
- One carry-on bag up to 10kg and one checked bag up to 25kg.
- Alsa
- Additional luggage can be purchased for a fee.
- Alsa
- Small pets allowed in carriers
- larger pets must travel in the hold.
popular bus stations
Popular bus stations from Castro Urdiales to Donostia-San Sebastian
- 06:00-22:00
- Free Wi-Fi
- Café de la Estación (in the station)
- Fast Food Express (in the station)
- Restaurante Aitzgorri (0.5 km).
- Available outside the main entrance.
- Elevators, ramps
- Available in the station.
- Bus: 28, 42, 45 Train: E2
Most popular bus connections from Castro Urdiales
More options for your journey from Castro Urdiales to Donostia-San Sebastian
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