Cheapest one-way flights from Chicago to Seoul in April from 435€

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

One-Way flights

20 Apr Turkish Airlines
16 Apr Turkish Airlines
13 Apr Turkish Airlines
18 Apr Turkish Airlines
29 Apr Turkish Airlines
30 Apr Turkish Airlines
22 Apr Delta direct
13 Apr Korean Air direct
20 Apr Korean Air direct
01 Apr Delta direct

Also check the deals for return 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.