Cheapest return flights from Chicago to Seoul in May from $913

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 May 2025 (see full year).

Return flights

06 May - 20 May Cathay Pacific
13 May - 17 Jun Cathay Pacific
13 May - 27 May Cathay Pacific
17 May - 24 May WestJet
10 May - 17 May Cathay Pacific
09 May - 17 May Cathay Pacific
07 May - 14 May Cathay Pacific
12 May - 19 May Cathay Pacific
11 May - 20 May Cathay Pacific
16 May - 24 May Turkish Airlines
23 May - 01 Jun Frontier Airlines
22 May - 29 May Frontier Airlines
24 May - 05 Jun Air Canada
24 May - 10 Jun Finnair
23 May - 15 Jun Cathay Pacific
23 May - 10 Jun Cathay Pacific
24 May - 12 Jun Finnair
23 May - 10 Jun Korean Air direct
23 May - 01 Jun Korean Air direct
24 May - 10 Jun Korean Air direct

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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