- Must visit
Chillida Leku Museum
An open-air museum showcasing the works of the sculptor Eduardo Chillida, integrating art with the natural surroundings.
Cheapest price
$14
Average price
$14
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 $14 if you buy it on the day, but the cheapest tickets can be found for only $14.
Of the 1 buses that leave Castro Urdiales for Donostia-San Sebastian on Sun, May 17, 1 travel direct so it’s quite easy to avoid journeys where you’ll have to change along the way.
On Sun, May 17 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, May 17 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.


Omio recommends booking the bus 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 bus with prices starting from $14. For those with little time consider booking a bus which can get you there in 1h 44m. The ticket price range depends on the travel mode: a bus costs an average of $14, and a bus costs an average of $14.
Distance: 62 miles (101 km)
Most popular Bus | Driving |
|---|---|
$15 Average price Cheapest | $27 Average price (fuel + tolls) |
2h 14m Average total duration Fastest 1h 44m 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 $15 (€12) compared to roughly $27 (€22) in fuel and tolls — a saving of about $12 (€10). The journey takes 1h 44m 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.
| Operator | Departure Time | Arrival Time | Duration | Departure days | Cheapest price |
|---|---|---|---|---|---|
Operator Alsa | Departure Time 08:00AM | Arrival Time 01:00PM | Duration 5h00 | Departure days Fri | Cheapest price $20 |
Operator BlaBlaCar | Departure Time 03:40PM | Arrival Time 04:50PM | Duration 1h10 | Departure days Thu | Cheapest price $13 |
Operator BlaBlaCar | Departure Time 04:20PM | Arrival Time 06:10PM | Duration 1h50 | Departure days Thu | Cheapest price $15 |
Operator BlaBlaCar | Departure Time 05:00PM | Arrival Time 06:30PM | Duration 1h30 | Departure days Thu | Cheapest price $13 |
Operator Alsa | Departure Time 05:45PM | Arrival Time 07:30PM | Duration 1h45 | Departure days Tue, Wed, Fri, Sat, Sun | Cheapest price $14 |
Operator Alsa | Departure Time 06:45PM | Arrival Time 08:30PM | Duration 1h45 | Departure days Mon, Tue, Wed, Fri, Sat | Cheapest price $14 |
Operator BlaBlaCar | Departure Time 07:10PM | Arrival Time 08:10PM | Duration 1h00 | Departure days Thu | Cheapest price $8 |
Operator BlaBlaCar | Departure Time 11:50PM | Arrival Time 01:00AM | Duration 1h10 | Departure days Thu | Cheapest price $13 |
The table below shows live departures for Castro Urdiales to Donostia-San Sebastian buses for today, Saturday, May 16. You can also manually refresh the results below to see updated bus journeys.
| Provider | Departs | Duration | Arrives | Transfers | Tickets |
|---|---|---|---|---|---|
![]() | 5:45 PM Castro Urdiales | 1h45 | 7:30 PM Donostia-San Sebastian | 0 transfersDirect | |
![]() | 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 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.
Buses from Castro Urdiales to Donostia-San Sebastian run on average 6 times per day, taking around 1h 44m. Cheap bus tickets for this journey start at $14 (€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 44m |
Cheapest ticket price $14 (€11) |
Buses per day 6 |
Direct buses 5 |
Fastest bus 1h 45m |
First bus 10:00 AM |
Last bus 9:20 PM |
Cheapest Month Aug |
Cheapest Day Sun |
High Season Jul - Sep |
Low Season Oct - Dec |
Busiest Day Mon |
Least Busy Day Tue |
Best time to book 63 days |
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.
An open-air museum showcasing the works of the sculptor Eduardo Chillida, integrating art with the natural surroundings.
Marine museum and aquarium displaying a variety of sea life, including interactive exhibits and a 360-degree tunnel.
A museum dedicated to Basque society and citizenship, engaging visitors with its extensive collection of art, history, and cultural displays.
A picturesque area known for its narrow streets filled with bars, churches, and charming shops. A vibrant atmosphere day and night.
Provides panoramic views of the city and a vintage amusement park, with a funicular ride to the summit.
A popular surfing beach located in the Gros neighborhood, offering a more youthful and energetic vibe.
Small, flavorful snacks typically served on a piece of bread, often featuring local ingredients like anchovies, cheese, or chorizo.
Large, bone-in rib steak traditionally grilled over an open flame, known for its rich flavor.
Salt cod cooked in a sauce of red peppers and onions, a Basque Country specialty.
A three-Michelin-star restaurant offering avant-garde Basque cuisine by chef Juan Mari Arzak and his daughter Elena.
A casual spot famous for its innovative small plates and contemporary twists on Basque classics.
Known for its exquisite pintxos and traditional Basque dishes in a bustling, lively atmosphere.
Compared to other Spanish cities, Donostia-San Sebastián is relatively expensive, especially for dining and accommodation.
Tipping is not mandatory, but leaving small change or rounding up the bill is appreciated. In upscale restaurants, a 5-10% tip is customary.
Official public transport app
Estación de Autobuses -> City Center
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.

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