AirHint found the following cheapest return flights from Istanbul (IST) to Seoul (GMP) in November 2025 (see full year).

Return flights

25 Nov - 05 Dec	China Southern
15 Nov - 19 Nov	China Southern
18 Nov - 28 Nov	China Southern
15 Nov - 26 Nov	China Southern
25 Nov - 01 Dec	China Southern
16 Nov - 25 Nov	Air China
07 Nov - 20 Nov	Air China
09 Nov - 22 Nov	Air China
07 Nov - 22 Nov	Air China
13 Nov - 19 Nov	China Southern
13 Nov - 26 Nov	China Southern
29 Nov - 05 Dec	China Southern
05 Nov - 19 Nov	Air China
30 Nov - 09 Dec	Air China
29 Nov - 09 Dec	ANA
27 Nov - 13 Dec	Lufthansa

Also check the deals for one-way flights from Istanbul to Seoul in November.

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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Cheapest return flights from Istanbul to Seoul in November from $592

Return flights