Cheap flights from Chicago to South Korea from $397

If you aren’t able to travel to South Korea during the month of March, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $137.

On average, the least expensive day to fly to South Korea from Chicago is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $889. 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 to South Korea for around $1,099.

Flying to South Korea from Chicago in the morning 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 morning. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $982 on average. Flights to South Korea from Chicago in the evening 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 - South Korea flight prices

You are more likely to see cheaper flights to South Korea from Chicago when booking weeks ahead of your departure date. In general, you can expect to find flights to South Korea for around $1,482 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 for as low as $1,106 on momondo.

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

Alaska Airlines, Japan Airlines, and EVA Air are the most popular carriers operating from Chicago to South Korea

Korean Air, EVA Air and Delta are the top three most popular airlines that fly to South Korea from Chicago according to our data. Korean Air is the first choice among our users, with 37% of people opting to fly with this airline when traveling to South Korea. Keep in mind that there are 11 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 38% 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 200 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.

Monday is statistically the day of the week which experiences the fewest number of delays on this flight route. Friday 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 21% of their flights experiencing any sort of delay.

2 flights are operational daily from Chicago to South Korea as of June 2026. The most popular departure time for this route is 12:00PM, with 100% of flights per day taking off in the afternoon.

As of June 2026, there are 14 flights per week flying from Chicago to South Korea. The most common day of the week flights depart is Mon, with 14% of flights taking off on this day.