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

22 Oct - 29 Oct Cathay Pacific
28 Oct - 04 Nov Cathay Pacific
23 Oct - 01 Nov Cathay Pacific
16 Oct - 28 Oct Alaska Airlines
16 Oct - 20 Oct Alaska Airlines
31 Oct - 21 Nov Cathay Pacific
25 Oct - 02 Nov Frontier Airlines
15 Oct - 22 Oct Spirit Airlines
24 Oct - 08 Nov WestJet
17 Oct - 20 Oct WestJet
22 Oct - 02 Nov Spirit Airlines
20 Oct - 29 Oct Frontier Airlines
12 Oct - 23 Nov Hawaiian Airlines
13 Oct - 13 Nov Spirit Airlines
13 Oct - 31 Oct Frontier Airlines
15 Oct - 29 Oct Frontier Airlines
08 Oct - 17 Oct EVA Air
28 Oct - 04 Nov Delta direct
30 Oct - 02 Nov Delta direct
15 Oct - 25 Oct Air Canada

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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