Bus San Sebastian - Porto from 31.98 €, cheap tickets
Compare and book your San Sebastian - Porto bus ticket
Kombo is the only website dedicated to booking bus tickets. Compare San Sebastian - Porto bus ticket prices of the best bus operating companies:
FlixBus, Autna, BlaBlaCar Bus, AlsaUnlike a simple bus comparator, you can book your San Sebastian - Porto bus ticket directly on our website starting from 31.98 €.
Kombo proposes all bus companies arrival and departure times for San Sebastian - Porto.
On Kombo, you can also find :
- for your return, the bus tickets Porto - San Sebastian.
Price for a San Sebastian Porto bus trip
Bus price calendar San Sebastian - Porto
The lowest price found for each departure date. Pick a date to see all the times and book. Cheapest date: Thursday, October 29, from 32 €.
November 2026
Prices recorded on October 22, 2026 and subject to change.
When is the bus from San Sebastian to Porto cheapest?
By day of the week
The cheapest day is Thursday, with an average price of 39 €. The most expensive is Friday (46 € on average).
By time of day
Leaving at night is cheapest: 38 € on average, against 47 € in the morning.
Average price of the cheapest ticket on each direct departure over the next 30 days.
Bus frequency between San Sebastian and Porto
On average, 3.1 departures a day link San Sebastian to Porto. 2 companies share the route.
By day of the week
The busiest day is Sunday (4 departures on average), the quietest Thursday (1.5).
By time of day
Departures peak in the morning: 1.8 a day on average.
Average of the direct departures found over the next 30 days.
Which companies offer the cheapest bus tickets from San Sebastian to Porto?
With Kombo compare San Sebastian Porto to travel cheaper. To enjoy the cheapest price we advise you to buy your tickets as soon as possible.
Some information on San Sebastian to Porto bus
Why travel by bus?
To go from San Sebastian to Porto, the bus is the best choice if you want a cheaper fare, with an average price of 44.77 € euros. This coach trip on 597 km will allow you to be quiet at least during 535, which is the ideal time to have a good nap. Compared to the train, the bus is often longer but the free WiFi connection will make the time much shorter, especially with its unbeatable price! However, Blablacar's carpooling is often comparable in price and duration to the bus trip. But once again, free WiFi and the comfort of a modern coach will make you prefer the bus.
For your journey San Sebastian - Porto, think about the nightbus which are often cheaper and save you a night in a hotel. For a return trip on holiday, the night bus will also prove convenient to make the most of Porto. Night bus timetables San Sebastian - Porto are less frequent than for day trips, but there are more than for night trains, for example.
19 travellers rated the trip and gave an average rating of 4.7/5.
Which bus companies between San Sebastian and Porto?
4 coach operators offer buses from San Sebastian to Porto: FlixBus, Autna, BlaBlaCar Bus, Alsa. Also, thanks to our route search engine, we can find bus trips even cheaper than those proposed by the bus operating companies.
To pay your bus ticket to Porto cheaper, we advise you to book directly on Kombo. First of all, you will be guaranteed to have a seat, because the buses can quickly be full on certain routes. And secondly, you will be able to pay less, since we compare the prices of all companies. Finally, you will sometimes be able to benefit from a coupon code whether it is for Blablabus (new name of Ouibus), Flixbus or Alsa. You can compare with the train as well. Our advice: book early, it's always cheaper!
Once you have your bus ticket, there is no need to print it out. However, remember to charge your phone, as you will need to show the ticket on your smartphone screen.
Cancel your ticket between San Sebastian and Porto.
Depending on the different bus companies available, the ways of cancelling tickets and related conditions may vary. Some allow you to do so directly on their website. For others, it is requested to contact them by email or by phone. Today, Kombo is not authorized to cancel or exchange bus tickets sold on its site. For BlaBlaBus and Flixbus, you will have to do it directly on their site. However, we won't let you down, and we have prepared a guide to know how to cancel your bus tickets easily.
Departure stations in San Sebastian
Destination stations in Porto
Cheapest San Sebastian Porto bus tickets
Bus trips to Porto.
Bus to Porto
Bus trips to San Sebastian.
Bus to San Sebastian
Top 20 bus trips from San Sebastian
Do you want to discover France and Europe from San Sebastian ? From San Sebastian, the best alternative is to travel is the bus. Here you can see our top 20 cheapest destinations by bus from San Sebastian. Whether you want to go to San Sebastian or Porto think about comparing the different prices before buying the tickets.