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

Return flights

03 Nov - 11 Nov	Cathay Pacific
05 Nov - 19 Nov	Cathay Pacific
26 Nov - 30 Nov	Cathay Pacific
20 Nov - 30 Nov	Cathay Pacific
21 Nov - 29 Nov	Air Canada
22 Nov - 30 Nov	Air Canada
23 Nov - 27 Dec	Air France
20 Nov - 13 Dec	Air France
05 Nov - 19 Nov	Korean Air	direct
03 Nov - 11 Nov	Korean Air	direct
20 Nov - 13 Dec	Delta	direct
22 Nov - 30 Nov	Delta	direct
26 Nov - 30 Nov	Delta	direct
23 Nov - 27 Dec	Korean Air	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 650€

Return flights