Cheapest return flights from Chicago to Seoul in May from $1194

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

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

Return flights

21 May - 27 May Porter Airlines (Canada) Ltd
13 May - 31 May Frontier Airlines
11 May - 18 May Frontier Airlines
11 May - 23 May Frontier Airlines
28 May - 09 Jun Porter Airlines (Canada) Ltd
06 May - 27 May Korean Air
06 May - 20 May Delta
13 May - 22 May Delta
05 May - 26 May Korean Air
13 May - 23 May Delta
02 May - 20 May Korean Air
19 May - 20 Jun Delta
29 May - 08 Jun WestJet
25 May - 01 Jun Delta
24 May - 09 Jun Korean Air

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

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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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