Start with the 05:00 Airport transit train from San Sebastian to Hondarribia, about 36 min. Transfer in Hendaye, then take the 09:15 (+1d) FlixBus bus on to Nice (14h 45m). Transfer in Nice, then take the 07:15 (+1d) E6 flight on to Istanbul (4h 15m). You arrive in Istanbul around 11:30 (+1d). In total it's roughly EUR 255 over 30h 30m, 3 transfers.
Opens Omio — enter your date to compare trains and buses for this route; the price is finalised at checkout.
Opens Omio — enter your date to compare trains and buses for this route; the price is finalised at checkout.
Kiwi opens sorted by price, so your flight (4227, 07:15) is near the top. Final fare is confirmed at checkout.
Fly into San Sebastian, then continue to Istanbul by train (36 min) — routing via San Sebastian keeps the trip simple. Train (Airport transit, 36min) + Bus (FlixBus, 14h 45min) via Hendaye + Flight (E6, 4h 15min) via Nice.