Flaut.Travel was designed and developed by a team dedicated to making the process of searching, comparing and booking airline tickets as easy and convenient as possible. Our service helps travelers to find and buy the cheapest flights from Madrid to San Sebastian. We have connected more than 40 airlines and airline ticketing agencies to help you find the most suitable and affordable flight option.
The cost of a one-way flight from Madrid to San Sebastian ranges from $53 (October 2026) to $113 (June 2027). On average, the ticket price is about $80–$186.
A non-stop flight is the most convenient and comfortable way to fly from Madrid to San Sebastian, despite the fact that sometimes flights with transfers can cost significantly less.
The only airline operating direct flights from Madrid to San Sebastian is Iberia. Flights operate every day.
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Answers to questions about the route that travelers are most interested in.
We keep tight track on airlines' pre-holidays sales and other special offers occurences all the time to let you save maximum amount of funds while traveling to your family or just going out on vacation.
The Madrid — San Sebastian route shows a classic seasonal pattern: prices rise, peak, then fall again. Knowing this, you can pick a more affordable time to fly.
Prices rise from October 2026 to June 2027 (+113%), then decline from September 2026 to October 2026 (27%). The cheapest tickets are in September 2026–October 2026 (averaging $63), while the priciest are in October 2026–June 2027 ($83).
For savings, plan your flight for September 2026–October 2026 — you could save up to 24%. Try to avoid October 2026–June 2027 when possible: prices are at their highest then.
Price spread on this route is 31.4%. Costs depend heavily on the season, so flexibility in choosing your departure month is especially valuable here.
More than 4 airlines operate flights from Madrid to San Sebastian, including Iberia, Air Europa, Iberia Express, and Vueling. This is a popular route, so passengers can choose tickets based on budget and preferences. Ticket prices start from $47, and our service lets you instantly compare all options. The variety of offers simplifies planning: you can choose budget fares or more comfortable options with baggage included or extra services. We help you find the best deals so your trip is cost-efficient.
Madrid — San Sebastian
12/21/2026
Departure
Direct flight
IB449
starting at $99
Madrid — San Sebastian
09/29/2026
Departure
Direct flight
IB449
starting at $416
Madrid — San Sebastian
09/30/2026
Departure
Direct flight
IB443
starting at $194
Madrid — San Sebastian
10/01/2026
Departure
Direct flight
IB449
starting at $461
Madrid — San Sebastian
10/02/2026
Departure
Direct flight
IB449
starting at $465
Madrid — San Sebastian
10/03/2026
Departure
Direct flight
IB449
starting at $232
Madrid — San Sebastian
10/04/2026
Departure
Direct flight
IB443
starting at $169
Madrid — San Sebastian
01/07/2027
Departure
Direct flight
IB443
starting at $47
Madrid — San Sebastian
09/28/2026
Departure
Direct flight
IB443
starting at $390
Madrid — San Sebastian
09/25/2026
Departure
Direct flight
IB443
starting at $416
Iberia
Every day
starting at $81
The cheapest flight ticket from Madrid to San Sebastian according to data for the last 48 hours costs $47
Often the best time to buy tickets from Madrid to San Sebastian is 2 months before departure.
Based on statistics over the past years, the lowest prices for flights from Madrid to San Sebastian can be found flying in these months: October, September, June.
The fastest flights from Madrid to San Sebastian start from 1 hour 10 minutes in the air.
The following airlines operate direct flights on the route Madrid — San Sebastian: Iberia
The cheapest one-way flight from Madrid to San Sebastian departs on 01/07/2027, is operated by Iberia and costs $47
There is no information about the cheapest roundtrip flight from Madrid to San Sebastian
Fastest flight from Madrid to San Sebastian takes 1h 10m
All airports
There are direct flights on this route 7 days a week: Su, Mo, Tu, We, Th, Fr, and Sa
The distance between Madrid and San Sebastian is 352km (218 miles). The average flight duration is 1h 10m. There are 21 direct flights from Madrid to San Sebastian. Madrid and San Sebastian are in the same time zone. Flights from Madrid begin at 7:30 AM. The latest flight from Madrid departs at 7:40 PM
