Cheap Flights from Istanbul to Donostia / San Sebastián
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Fares are subject to change and may not be available for all dates. (Data last updated Sep 15, 2026.)
Today’s best flight deals from Istanbul to Donostia / San Sebastián
Explore current cheapest deals departing from Istanbul to Donostia / San Sebastián
2026-11-06 – 2026-11-28
IST - Donostia / San Sebastián
66% AI deal score
$261
$245
Round trip
2026-11-18 – 2026-11-28
IST - Donostia / San Sebastián
66% AI deal score
$266
$246
Round trip
2026-11-08 – 2026-11-28
IST - Donostia / San Sebastián
49% AI deal score
$249
$247
Round trip
2026-11-10 – 2026-11-28
IST - Donostia / San Sebastián
65% AI deal score
$265
$249
Round trip
2027-02-22 – 2027-03-01
IST - Donostia / San Sebastián
70% AI deal score
$286
$250
Round trip
2027-02-22 – 2027-03-06
IST - Donostia / San Sebastián
69% AI deal score
$275
$251
Round trip
2027-02-22 – 2027-03-05
IST - Donostia / San Sebastián
69% AI deal score
$277
$251
Round trip
2026-10-19 – 2026-10-26
IST - Donostia / San Sebastián
69% AI deal score
$290
$261
Round trip
2026-11-11 – 2026-11-15
IST - Donostia / San Sebastián
67% AI deal score
$290
$272
Round trip
2026-11-03 – 2026-11-08
IST - Donostia / San Sebastián
66% AI deal score
$286
$275
Round trip
