Cheapest return flights from Chicago to Seoul in April from $747

AirHint found the following cheapest return flights from Chicago (ORD) to Seoul (ICN) in April 2026 (see full year).

Return flights

15 Apr - 26 Apr Cathay Pacific
11 Apr - 03 May Cathay Pacific
07 Apr - 12 Apr Cathay Pacific
12 Apr - 26 Apr Turkish Airlines
03 Apr - 10 Apr Turkish Airlines
03 Apr - 10 Apr Korean Air direct
15 Apr - 26 Apr Delta direct
11 Apr - 03 May Delta direct
12 Apr - 26 Apr Korean Air direct
07 Apr - 12 Apr Korean Air direct

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

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.

Book a cheap hotel in Seoul

Cheap car rent in Seoul

Feel free to contact us with any feedback or request another flight research.