Cheap flights from Chicago O'Hare Intl Airport to South Korea from $350

If you aren’t able to travel to South Korea during the month of January, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $1,104.

On average, the least expensive day to fly to South Korea from Chicago O'Hare Intl Airport is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $905. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Chicago O'Hare Intl Airport to South Korea for around $1,111.

Flying to South Korea from Chicago O'Hare Intl Airport in the evening is the least expensive time of day to depart. momondo users have found prices as low as $982 when looking at flights departing in the evening. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $998 on average. Flights to South Korea from Chicago O'Hare Intl Airport in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

Fly from Chicago O'Hare Intl to Incheon Intl for the best Chicago O'Hare Intl - South Korea flight prices

You are more likely to see cheaper flights to South Korea from Chicago O'Hare Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to South Korea for around $1,517 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to South Korea from Chicago O'Hare Intl Airport for as low as $799 on momondo.

There are 4 cabin classes available to choose from on Chicago O'Hare Intl to South Korea flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cathay Pacific, Japan Airlines, and EVA Air are the most popular carriers operating from Chicago O'Hare Intl to South Korea

Korean Air, Delta and EVA Air are the top three most popular airlines that fly to South Korea from Chicago O'Hare Intl Airport according to our data. Korean Air is the first choice among our users, with 45% of people opting to fly with this airline when traveling to South Korea. Keep in mind that there are 10 different airlines that fly to South Korea on a routine basis, so you have a few additional options to choose from.

Historically, on average around 32% of flights between Chicago and South Korea have experienced a delay on any given week. The average delay length over the past 12 months has been 216 minutes.

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights at night have, in the past, seen delays more frequently in comparison.

Thursday is statistically the day of the week which experiences the fewest number of delays on this flight route. Wednesday has historically seen more delays on average compared to the rest of the week.

According to our data, Korean Air have had the least number of delays on this route over the last 12 months; with about 19% of their flights experiencing any sort of delay.

The number of flights available between Chicago O'Hare Intl Airport and South Korea is 1 per day as of March 2026. The most frequent departure time is 11:00AM, with 100% of daily flights leaving at noon.

12 flights are operational weekly from Chicago O'Hare Intl Airport to South Korea as of March 2026. The most popular departure day for this route is Mon, with 17% of flights per week taking off on this day.