Cheap Flights from Istanbul to Donostia / San Sebastián
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RatePunk searches hundreds of travel sites at once for deals on flights to Donostia / San Sebastián
Prices updated 3 days ago
459 airlines compared
80%+ AI score for best value
Fares are subject to change and may not be available for all dates. (Data last updated Sep 7, 2026.)
Today’s best flight deals from Istanbul to Donostia / San Sebastián
Explore current cheapest deals departing from Istanbul to Donostia / San Sebastián
2027-01-20 – 2027-01-25
IST - Donostia / San Sebastián
75% AI deal score
$305
$232
Round trip
2026-11-09 – 2026-12-07
IST - Donostia / San Sebastián
66% AI deal score
$263
$245
Round trip
2026-11-10 – 2026-12-07
IST - Donostia / San Sebastián
65% AI deal score
$251
$247
Round trip
2026-12-12 – 2027-01-11
IST - Donostia / San Sebastián
49% AI deal score
$251
$264
Round trip
2026-12-12 – 2027-01-09
IST - Donostia / San Sebastián
49% AI deal score
$251
$267
Round trip
2027-01-25 – 2027-01-29
IST - Donostia / San Sebastián
67% AI deal score
$303
$269
Round trip
2026-12-13 – 2027-01-11
IST - Donostia / San Sebastián
49% AI deal score
$252
$270
Round trip
2026-12-13 – 2027-01-09
IST - Donostia / San Sebastián
49% AI deal score
$252
$273
Round trip
2026-10-13 – 2026-10-28
IST - Donostia / San Sebastián
49% AI deal score
$271
$278
Round trip
2026-09-15 – 2026-09-19
IST - Donostia / San Sebastián
70% AI deal score
$338
$280
Round trip
