Cheapest return flights from Chicago to Seoul in October from 888€

Best time to book flights for Chicago (ORD) to Seoul (ICN) flights at AirHint

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

Return flights

14 Oct - 24 Oct Turkish Airlines
26 Oct - 07 Nov Turkish Airlines
25 Oct - 10 Nov Turkish Airlines
25 Oct - 04 Nov Turkish Airlines
24 Oct - 04 Nov Turkish Airlines
03 Oct - 09 Oct LOT
07 Oct - 13 Oct LOT
09 Oct - 21 Oct Air India
14 Oct - 24 Oct Delta direct
25 Oct - 10 Nov Delta direct
25 Oct - 04 Nov Delta direct
24 Oct - 04 Nov Delta direct
26 Oct - 07 Nov Delta direct
07 Oct - 13 Oct Delta direct
03 Oct - 09 Oct 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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