AirHint found the following cheapest return flights from San Sebastian (EAS) to Istanbul (IST) in August 2026 (see full year).
Return flights
| 20 Aug - 29 Aug | Vueling Airlines | ||
| 02 Aug - 02 Aug | Iberia | ||
| 19 Aug - 29 Aug | Vueling Airlines | ||
| 18 Aug - 29 Aug | Vueling Airlines | ||
| 01 Aug - 01 Aug | Iberia |
Also check the deals for one-way flights from San Sebastian to Istanbul in August.
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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.
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