Cheapest return flights from Chicago to Seoul in October from 652€

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

Return flights

14 Oct - 28 Oct Cathay Pacific
16 Oct - 28 Oct Cathay Pacific
16 Oct - 23 Oct Cathay Pacific
26 Oct - 31 Oct Cathay Pacific
20 Oct - 03 Nov Cathay Pacific
02 Oct - 19 Oct WestJet
02 Oct - 11 Oct WestJet
23 Oct - 01 Nov WestJet
15 Oct - 22 Oct Air Canada
06 Oct - 13 Oct Turkish Airlines
06 Oct - 13 Oct Korean Air direct
20 Oct - 03 Nov Delta direct
02 Oct - 11 Oct Korean Air direct
23 Oct - 01 Nov Delta direct
21 Oct - 02 Nov Delta direct
24 Oct - 08 Nov Delta direct
30 Oct - 02 Nov Delta direct

Also check the deals for one-way flights from Chicago to Seoul in October.

Skyscanner

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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