AirHint found the following cheapest return flights from Doha (DOH) to Seoul (ICN) in September 2025 (see full year).

Return flights

06 Sep - 13 Sep	China Southern
01 Sep - 07 Sep	China Southern
02 Sep - 19 Sep	China Southern
01 Sep - 07 Sep	Qatar Airways	direct
06 Sep - 13 Sep	Qatar Airways	direct
02 Sep - 19 Sep	Qatar Airways	direct

Also check the deals for one-way flights from Doha to Seoul in September.

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 Doha to Seoul in September from $815

Return flights