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

Return flights

20 Sep - 24 Sep	Etihad Airways
08 Sep - 18 Sep	Etihad Airways
01 Sep - 08 Sep	Etihad Airways
23 Sep - 25 Sep	Etihad Airways
05 Sep - 13 Sep	China Eastern
12 Sep - 15 Sep	Asiana Airlines
17 Sep - 22 Sep	China Southern
09 Sep - 19 Sep	China Southern
12 Sep - 19 Sep	China Southern
13 Sep - 20 Sep	China Southern
27 Sep - 04 Oct	Etihad Airways
25 Sep - 10 Oct	Etihad Airways
26 Sep - 01 Oct	China Southern
28 Sep - 05 Oct	Qatar Airways	direct
29 Sep - 06 Oct	Asiana Airlines	direct
25 Sep - 10 Oct	Asiana Airlines	direct

Also check the deals for one-way flights from Seoul to Doha 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 Seoul to Doha in September from $573

Return flights