AirHint found the following cheapest return flights from Chicago (ORD) to Seoul (ICN) in November 2025 (see full year).

Return flights

20 Nov - 07 Dec	Cathay Pacific
05 Nov - 18 Nov	Cathay Pacific
26 Nov - 14 Dec	Cathay Pacific
04 Nov - 11 Nov	Cathay Pacific
17 Nov - 10 Dec	Cathay Pacific
08 Nov - 25 Nov	Cathay Pacific
03 Nov - 21 Nov	Cathay Pacific
20 Nov - 27 Nov	Cathay Pacific
09 Nov - 17 Nov	Cathay Pacific
08 Nov - 16 Nov	Cathay Pacific
01 Nov - 06 Nov	Cathay Pacific
21 Nov - 07 Dec	Cathay Pacific
13 Nov - 30 Nov	Cathay Pacific
23 Nov - 27 Dec	Air Canada
07 Nov - 26 Dec	Air Canada
08 Nov - 25 Nov	Korean Air	direct
07 Nov - 26 Dec	Korean Air	direct
17 Nov - 10 Dec	Delta	direct
20 Nov - 07 Dec	Delta	direct
20 Nov - 13 Dec	Delta	direct

Also check the deals for one-way flights from Chicago 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 Chicago to Seoul in November from $669

Return flights