Cheapest return ICN–ORD flights, October

AirHint found the following cheapest return flights from Seoul (ICN) to Chicago (ORD) in October 2026 (see full year).

Return flights

22 Oct - 28 Oct Air Canada
22 Oct - 27 Oct Air Canada
15 Oct - 22 Oct Air Canada
26 Oct - 02 Nov Air Canada
22 Oct - 02 Nov Air Canada
22 Oct - 01 Nov Air Canada
07 Oct - 14 Oct Air Canada
05 Oct - 30 Nov Air Canada
19 Oct - 30 Oct Air Canada
22 Oct - 31 Oct Air Canada
19 Oct - 24 Oct Air Canada
02 Oct - 05 Oct Air Canada
09 Oct - 16 Oct Air Canada
08 Oct - 12 Oct Asiana Airlines
26 Oct - 02 Nov Korean Air direct
22 Oct - 02 Nov Korean Air direct
22 Oct - 01 Nov Korean Air direct
05 Oct - 30 Nov Korean Air direct

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

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