
Standard
- Free Wi-Fi
Cheapest price on 18 Sept
£10
Average ticket price on 18 Sept
£12
Fastest journey on 18 Sept
1 h 45 m
Average journey duration on 18 Sept
2 h 50 m
Buses on 18 Sept
3
Distance
101 km
The best way to find a cheap coach ticket from Castro Urdiales to Donostia-San Sebastian is to book your journey as far in advance as possible and to avoid travelling at rush hour.
The average ticket from Castro Urdiales to Donostia-San Sebastian will cost around £12 if you buy it on the day, but you can find cheap coach tickets today for only £10.
On Fri 18 Sept, we found 3 buses from Castro Urdiales to Donostia-San Sebastian, including 3 direct services.
These direct buses cover the 101 km distance in an average of 2 h 50 m but if you time it right, some buses will get you there in just 1 h 45 m .
The slowest buses will take 5 h 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.






Omio recommends booking the coach as it is the most popular option from Castro Urdiales to Donostia-San Sebastian among Omio's users. If you are prioritising price, take the coach, with an average ticket price of £13 For those with little time, consider booking a coach, which has an average total journey time of 2h 12m. Average ticket prices depend on the travel mode: a coach costs an average of £13, while a coach costs an average of £13.
Distance: 101 km
Most popular Coach | Driving |
|---|---|
£13 Average Price Cheapest | £20 Average Price (fuel + tolls) |
2h 12m Average total duration Fastest 1h 42m Onboard + 30m Additional time* | 1h 29m Average total duration (door-to-door) |
![]() Most popular bus company | Your own car or car rental |
Direct Options | Direct Options |
Tickets start at around £13 compared to roughly £20 in fuel and tolls — a saving of about £7. The journey takes 1h 42m versus 1h 29m by car, so you'll arrive a bit later, but you can use the time productively rather than spending it behind the wheel. No parking to sort, no fuel stops, and most coaches have Wi-Fi and power outlets.
Direct services are operated by Alsa, BlaBlaCar.
Driving is worth considering if you're on a tight schedule, travelling as a group (where fuel costs split several ways), or want the flexibility to stop along the way.
The table below shows live departures for Castro Urdiales to Donostia-San Sebastian coaches for today, Thursday 17 September. You can also manually refresh the results below to see updated coach journeys.
| Provider | Departs | Duration | Arrives | Changes | Tickets |
|---|---|---|---|---|---|
Normal | 19:45 Castro Urdiales, Estación de Autobuses | 1h45 | 21:30 Donostia-San Sebastian, Estación de Autobuses | 0 changesdirect | |
This is the last bus of the day. | |||||
Find all the dates and times for this journey
Compare coach 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.
Buses from Castro Urdiales to Donostia-San Sebastian run on average 6 times per day, taking around 1h 42m. Cheap bus tickets for this journey start at £10 if you book in advance.
There are 5 coaches per day. The earliest coach runs at 10:00, the last at 21:20. The fastest coach covers the 101 km distance in 1h 45m.
Distance 101 km |
Average bus duration 1h 42m |
Cheapest ticket price £10 |
Buses per day 6 |
Direct buses 5 |
Fastest bus 1h 45m |
First bus 10:00 |
Last bus 21:20 |
Cheapest Month Aug |
Cheapest Day Tue |
High Season Jul - Sept |
Low Season Oct - Dec |
Busiest Day Mon |
Least Busy Day Tue |
Best time to book 1 day |
Compare Alsa classes and the amenities included in each one.

Discover the best of Donostia-San Sebastian — top attractions, local food, transport tips, budget advice, and currency essentials. Plan your perfect Donostia-San Sebastian trip today.
Major aquarium with a maritime museum section, historic displays and a walk-through tunnel. A strong all-weather visit near the harbour.
Museum dedicated to sculptor Eduardo Chillida, set in a large garden with monumental works. Combines art, landscape and a quieter side of the area.
Contemporary art centre focused on Basque and international work. It is worth visiting for exhibitions, architecture and a calmer cultural stop in the city.
Iconic city beach and promenade framed by Belle Époque buildings. It is the classic place for walks, sea views and experiencing San Sebastián’s atmosphere.
Historic quarter with narrow streets, churches and lively public spaces. Go for architecture, atmosphere and easy access to several major sights.
Hilltop viewpoint reached by funicular or on foot, with a small amusement area and sweeping views over the bay and city. Ideal for first-time visitors.
Battered cod fried with green peppers and onion. A classic Basque pintxo tied to local salt cod cooking traditions.
Whole spider crab dressed with its own juices, egg and breadcrumbs. A prized festive shellfish dish on the Basque coast.
Basque-style cheesecake from San Sebastián, baked until deeply caramelised outside with a creamy centre. Now iconic city-wide.
Elegant dining room known for creative Basque cooking with strong local produce and polished service.
Historic old-town spot celebrated for Basque cheesecake and classic dishes in a bustling tavern setting.
Busy traditional pintxos bar famed for mushroom pintxos and a lively old-town atmosphere.
Moderate for Spain: pintxos and coffee are reasonable, but central hotels and popular dining can cost more than in many comparable Spanish cities.
Service is usually included. Round up or leave 5-10% in restaurants for very good service; small change in cafés; taxi tips are optional, often just rounding up.
Official public transport app
Donostia-San Sebastian, Estación de Autobuses -> Boulevard, Donostia / San Sebastián
Find answers to the most common questions about traveling from Castro Urdiales to Donostia-San Sebastian by coach. 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 coach, 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.

Most Castro Urdiales to Donostia-San Sebastian buses use the Castro Urdiales, Estación de Autobuses to Donostia-San Sebastian, Estación de Autobuses station pair. Use this guide to compare Castro Urdiales and Donostia-San Sebastian bus stations on this route, check city-centre transport, alongside checking practicalities like bus station facilities and services.
Castro Urdiales, Estación de Autobuses has practical services for this route, including Wifi, Parking, Dining, ATM, Taxis, Accessibility, WC, Shower and Ticket Office.
Food options include: Small cafe nearby.
Wi-Fi is available at Castro Urdiales, Estación de Autobuses. ATMs are available at Castro Urdiales, Estación de Autobuses.
Ticket office support is available at Castro Urdiales, Estación de Autobuses.
Available at Castro Urdiales, Estación de Autobuses: Parking, Taxis, WC.
Accessibility facilities are available at Castro Urdiales, Estación de Autobuses: Ramped access and accessible toilets available.
Donostia-San Sebastian, Estación de Autobuses has practical services for this route, including Wifi, Parking, Dining, ATM, Taxis, Accessibility, WC and Ticket Office.
Food options include: Café de la Estación (in the station), Fast Food Express (in the station), Restaurante Aitzgorri (0.5 km).
Free Wi-Fi. ATMs are located near the main entrance.
Ticket office support is available at Donostia-San Sebastian, Estación de Autobuses.
Available at Donostia-San Sebastian, Estación de Autobuses: Parking, Taxis, WC.
Accessibility facilities are available at Donostia-San Sebastian, Estación de Autobuses: Elevators, ramps.
Here are some other resources that might have the information you need