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

Return flights

10 Nov - 17 Nov	Cathay Pacific
06 Nov - 16 Nov	Cathay Pacific
12 Nov - 17 Nov	Cathay Pacific
14 Nov - 23 Nov	Cathay Pacific
14 Nov - 26 Nov	Cathay Pacific
14 Nov - 30 Nov	Frontier Airlines
14 Nov - 16 Nov	Frontier Airlines
06 Nov - 30 Nov	Cathay Pacific
24 Nov - 29 Dec	Air Canada
24 Nov - 31 Dec	Turkish Airlines
11 Nov - 29 Nov	Air Canada
12 Nov - 29 Nov	Air Canada
12 Nov - 30 Dec	Turkish Airlines
20 Nov - 13 Dec	Air France
12 Nov - 30 Dec	Delta	direct
20 Nov - 13 Dec	Delta	direct
24 Nov - 31 Dec	Delta	direct
24 Nov - 29 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 596€

Return flights