Cheap flights from San Sebastian to Madrid from $31 EAS → MAD
San Sebastian Airport (EAS) → Adolfo Suarez Madrid-Barajas Airport (MAD)
The cheapest one-way found recently is $31 with Iberia, 6 Dec, found 2 days ago.
- Cheapest one-way found recently
- $31, Iberia, found 2 days ago
- Cheapest month to fly
- December 2026, one-way fares from $31 found in the last 7 days
- Airlines with nonstop flights
- Iberia
- Shortest nonstop flight found
- 1 h 10 min
One-way
The cheapest one-way fare on each of 7 departure dates is usually $35 to $108.
Cheapest one-way found recently
$31
6 Dec · Iberia
San Sebastian Airport (EAS) → Adolfo Suarez Madrid-Barajas Airport (MAD)
Leaves 5:35 p.m. · 1 h 10 min trip
nonstop
found 2 days ago
Cheapest nonstop one-way
$31
6 Dec · Iberia
San Sebastian Airport (EAS) → Adolfo Suarez Madrid-Barajas Airport (MAD)
Leaves 5:35 p.m. · 1 h 10 min trip
nonstop
found 2 days ago
Found recently, and the cheapest we hold
$31 6 Decfound 2 days agoOpen this trip
It is also the cheapest one-way we hold, of any age.
What have prices looked like?
Over 49 days, 24 Sept to 11 Nov, the cheapest one-way we saw each day was $25 to $35.
Those were the prices on those days, not today's.
Is this a good one-way price?
Compared with the cheapest one-way fare on each of 7 departure dates from 14 Nov to 13 Mar 2027, found by travelers' searches in the last 7 days (economy, the price the seller showed on Aviasales). The usual range is the middle half of those prices.
Could nearby dates be cheaper?
No. We hold one-way fares on 1 other departure date within 3 days of 6 Dec, and it is not cheaper.
Every date we hold
8 fares on 7 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 14 Nov | $175 | Vueling | San Sebastian Airport (EAS) → Adolfo Suarez Madrid-Barajas Airport (MAD) | 2 stops | found 7 days ago | Open this trip |
| 19 Nov | $92 | Volotea | San Sebastian Airport (EAS) → Adolfo Suarez Madrid-Barajas Airport (MAD) | 1 stop | found 5 days ago | Open this trip |
| 6 Dec | $31 | Iberia | San Sebastian Airport (EAS) → Adolfo Suarez Madrid-Barajas Airport (MAD) | nonstop | found 2 days ago | Open this trip |
| 8 Dec | $123 | Iberia | San Sebastian Airport (EAS) → Adolfo Suarez Madrid-Barajas Airport (MAD) | nonstop | found 6 days ago | Open this trip |
| 20 Dec | $34 | Iberia | San Sebastian Airport (EAS) → Adolfo Suarez Madrid-Barajas Airport (MAD) | nonstop | found 7 days ago | Open this trip |
| 30 Dec | $69 | Iberia | San Sebastian Airport (EAS) → Adolfo Suarez Madrid-Barajas Airport (MAD) | nonstop | found 3 days ago | Open this trip |
| 13 Mar 2027 | $36 | Iberia | San Sebastian Airport (EAS) → Adolfo Suarez Madrid-Barajas Airport (MAD) | nonstop | found 4 days ago | Open this trip |
Which month looks cheapest?
December 2026 is the cheapest month — from $31.
Premium cabin fares from San Sebastian to Madrid
We hold no premium economy, business or first-class fares for this route: we collect them for the busiest routes, and this one is not among them yet.
Today's prices for 6 Dec in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for San Sebastian to Madrid?
One-way
Fares 30 to 59 days before departure were typically 45% lower than 0 to 6 days before departure.
From the cheapest one-way each day between 24 Sept and 11 Nov (49 days), grouped by how many days ahead the flight left; one adult in economy.
Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.
Prices reflect recent searches — current fares may differ.
See these ranges as a table
| Booked ahead by | Typical fare | Cheapest day | Above the cheapest | Days of prices |
|---|---|---|---|---|
| 0–6 days | $62 | $30 | +82% | 38 |
| 7–13 days | $59 | $31 | +74% | 36 |
| 14–29 days | $37 | $26 | +9% | 40 |
| 30–59 days | $34 | $25 | Cheapest seen | 28 |
| 60–89 days | $35 | $35 | +3% | 9 |
| 90–179 days | $36 | $35 | +6% | 16 |
Could a nearby airport be cheaper?
A different airport at either end can change the fare — sometimes a lot.
Return
Bilbao → Madrid
76 km from San Sebastian
$85
18 Dec – 22 Dec · BIO → MAD · out nonstop, back nonstop
found 3 days ago
Santander → Madrid
148 km from San Sebastian
$131
30 Nov – 1 Dec · SDR → MAD · out 1 stop, back 2 stops
found 2 days ago
Cheapest recent price on each route — round trip, per traveler in Economy. Distances are in a straight line.
One-way
Santander → Madrid
148 km from San Sebastian
$32
$1 more than flying from San Sebastian
28 Dec · SDR → MAD · nonstop
found 2 days ago
Bilbao → Madrid
76 km from San Sebastian
$35
$4 more than flying from San Sebastian
21 Nov · BIO → MAD · nonstop
found 2 days ago
Biarritz → Madrid
40 km from San Sebastian
$106
$75 more than flying from San Sebastian
24 Apr 2027 · BIQ → MAD · 1 stop
found 5 days ago
Vitoria-Gasteiz → Madrid
77 km from San Sebastian
$244
$213 more than flying from San Sebastian
20 Nov · VIT → MAD · 3 stops
found 3 days ago
Cheapest recent price on each route — one way, per traveler in Economy. Distances are in a straight line.
Live price for these dates
The cheapest one-way found recently is for 6 Dec. A live search on this page shows what those dates cost now, for one adult in economy.
Questions about this trip
How much is a one-way flight from San Sebastian to Madrid?
The cheapest one-way found recently is $31 with Iberia, 6 Dec, found 2 days ago. The cheapest one-way fare on each of 7 departure dates is usually $35 to $108.
What is the cheapest month to fly from San Sebastian to Madrid?
December 2026 is the cheapest month for a one-way, from $31, 6 Dec, found 2 days ago.
How far ahead should I book a flight from San Sebastian to Madrid?
In 49 days of prices between 24 Sept and 11 Nov, one-way fares 30 to 59 days before departure were typically 45% lower than 0 to 6 days before departure.
Is there a direct flight from San Sebastian to Madrid?
Yes, the cheapest nonstop one-way found recently is $31 with Iberia, 6 Dec, found 2 days ago.
How long is the flight from San Sebastian to Madrid?
The cheapest nonstop one-way found recently, with Iberia on 6 Dec, takes 1 h 10 min from San Sebastian Airport (EAS) to Adolfo Suarez Madrid-Barajas Airport (MAD).
Which airlines have the cheapest flights from San Sebastian to Madrid?
Between 14 Nov and 13 Mar 2027, Iberia has the cheapest one-way on 5 of the 7 departure dates we hold, Vueling on 1 and Volotea on 1.
Prices are what travelers' searches on Aviasales found in the last 7 days, in US dollars: the price the seller showed on Aviasales; bags may cost extra. Fares change, so check today's price before you book. How our prices work