Cheapest return flights from Chicago (MDW) to Seoul (ICN), October

17 dates in October, from $ 1,231. Book in one tap, or check whether to buy now or wait.

One-wayReturn
Dates, airline, and price
Dates Airline Price
27 Oct 9 Nov Frontier Airlines
28 Oct 7 Nov Frontier Airlines
30 Oct 20 Nov Frontier Airlines
14 Oct 21 Oct Frontier Airlines
26 Oct 9 Nov Frontier Airlines
16 Oct 18 Oct Frontier Airlines
12 Oct 21 Oct Southwest Airlines
12 Oct 22 Oct Southwest Airlines
13 Oct 5 Nov Southwest Airlines
13 Oct 22 Oct Southwest Airlines
13 Oct 21 Oct Southwest Airlines
11 Oct 18 Oct Southwest Airlines
15 Oct 11 Nov Korean Air
21 Oct 27 Oct Delta
21 Oct 28 Oct Delta
20 Oct 27 Oct Delta
17 Oct 15 Nov Korean Air
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Deals for one-way flights from Chicago to Seoul in October.

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Updated Oct 9, 2026.

About these fares

These results come from our latest search across airlines for your currency. Prices change quickly and are not locked until you complete booking—always confirm the total and fare rules on the partner site.

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