Cheap flights from Chicago to Seoul from $397
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago to Seoul departing on 9/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Chicago to Seoul
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
Cheap direct flights
Cathay Pacific flights from Chicago to Incheon Intl Airport
Our best Cathay Pacific deals on Chicago to Incheon Intl Airport flight tickets
Delta flights from Chicago to Incheon Intl Airport
Our best Delta deals on Chicago to Incheon Intl Airport flight tickets
See travel insights to Seoul from
How to get the cheapest flight ticket from Chicago to Incheon Intl Airport
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the typical price of a round-trip flight between Chicago and Incheon Intl Airport?
What is the cheapest month to fly to Incheon Intl Airport?
The cheapest month to fly to Incheon Intl Airport from Chicago is in January. Flight prices, which tend to average around $1,234, are often lower during this time because this is during the off-season. If you are unable to visit Incheon Intl Airport during the month of January, then departing from Chicago during the month August is also very affordable. Most momondo users find prices during this month for around $1,371.
What is the cheapest day to depart on your flight to Incheon Intl Airport?
The cheapest day to depart from Chicago to Incheon Intl Airport is on a Tuesday when prices can be found for as low as $1,080. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around $1,372. These prices are subject to change though, so be sure to set up a Price Alert for flights to Incheon Intl Airport.
What is the cheapest time of day to depart on your flight to Incheon Intl Airport?
At noon is the cheapest time of day to fly from Chicago to Incheon Intl Airport when you can find flight prices for as low as $920. Flying to Incheon Intl Airport at noon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $1,466 on average. Flights to Incheon Intl Airport from Chicago in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.
What is the cheapest Chicago to Incheon Intl flight route?
Fly from Chicago O'Hare Intl to Incheon Intl for the best Chicago - Incheon Intl flight prices
How far in advance should I book a flight to Incheon Intl Airport?
You are more likely to see cheaper flights to Incheon Intl Airport from Chicago when booking 21 weeks ahead of your departure date. In general, you can expect to find flights to Incheon Intl Airport for around $1,507 when searching 21 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Incheon Intl Airport from Chicago for as low as $1,302 on momondo.
What cabin class options are available on Chicago to Incheon Intl flights?
There are 4 cabin classes available to choose from on Chicago to Incheon Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from Chicago to Incheon Intl?
WestJet, Turkish Airlines, and Air Canada are the most popular carriers operating from Chicago to Incheon Intl
What airlines fly to Incheon Intl Airport?
Korean Air, Air Canada and Turkish Airlines are the top three most popular airlines that fly to Incheon Intl Airport from Chicago according to our data. Korean Air is the first choice among our users, with 55% of people opting to fly with this airline when traveling to Incheon Intl Airport. Keep in mind that there are 10 different airlines that fly to Incheon Intl Airport on a routine basis, so you have a few additional options to choose from.
How many flights depart from Chicago to Incheon Intl Airport on average per day?
As of June 2025, there are 2 flights per day flying from Chicago to Incheon Intl Airport. The most common time of day flights depart is 12:00PM, with 100% of flights taking off in the afternoon.
How many flights depart from Chicago to Incheon Intl Airport on average per week?
As of June 2025, 14 flights take off from Chicago and land in Incheon Intl Airport each week. The most common flight departure day for this route is Mon, with 14% of weekly flights taking off on this day.
When to book flights from Chicago to Incheon Intl Airport
Cheap Chicago to Incheon Intl Airport (CHI to ICN) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Chicago to Incheon Intl Airport
How far is Chicago to Incheon Intl by plane?
There are 6545.7 mi between Chicago and Incheon Intl. Typically, this will take 16h 54m by plane in normal conditions.
When did momondo last update prices for flights from Chicago to Incheon Intl Airport?
Prices for flights from Chicago to Incheon Intl Airport refresh daily.
How many operators does momondo search for flights from Chicago to Incheon Intl Airport?
The number of operators available for flights from Chicago to Incheon Intl Airport is 10 as of June 2025.
How old do you have to be to fly from Chicago to Incheon Intl Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago to Incheon Intl Airport.
What documentation or ID do you need to fly to Incheon Intl Airport?
The travel and health documents you'll need for your trip to Incheon Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Incheon Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Chicago to Incheon Intl Airport?
Based on momondo bookings for flights between Chicago and Incheon Intl Airport, the leading plane model is Boeing 777-300ER, making up 88.89% of the total bookings. Other popular models include Boeing 787-9 Dreamliner with 3.56%, Airbus A350-900 with 1.85%, and Airbus A380-800 with 1.71%.
What is the most popular airline from Chicago to Incheon Intl Airport?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Chicago to Incheon Intl Airport is Korean Air (42% of total bookings). The next most popular airlines are Air Canada (14%), EVA Air (10%), and Delta (10%).
Best airlines flying from Chicago to Incheon Intl Airport
Compare and see reviews for airlines that fly from Chicago to Incheon Intl Airport with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $660 | Free Cancellation | Rating 7.4 8,790 reviews | |||
| PriceFrom $805 | Free Cancellation | Rating 7.5 892 reviews | |||
| PriceFrom $848 | Free Cancellation | Rating 7.3 3,848 reviews | |||
| PriceFrom $891 | Free Cancellation | Rating 7.1 9,537 reviews | |||
| PriceFrom $906 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $1,079 | Free Cancellation | Rating 8.4 1,202 reviews | |||
| PriceFrom $1,110 | Free Cancellation | Rating 7.6 1,290 reviews | |||
| PriceFrom $1,271 | Free Cancellation | Rating 8.2 440 reviews | |||
| PriceFrom $1,271 | Free Cancellation | Rating 8.0 7,946 reviews | |||
| PriceFrom $1,514 | Free Cancellation | Rating 8.4 1,088 reviews |
Korean Air Flights From Chicago to Incheon Intl Airport
Across 7 Korean Air flights from Chicago to Incheon Intl Airport this week, the average price was $1,848, with the best Korean Air deals starting from $1,514 round-trip. 1,088 users have rated Korean Air on momondo, with an average score of 8.4/10.
Delta Flights From Chicago to Incheon Intl Airport
Across 7,946 Delta reviews on momondo, the average score is 8.0/10. Delta flies from Chicago to Incheon Intl Airport about 7 times each week, with ticket deals ranging from $1,271 to $1,873. Price data is based on momondo searches in the last 72 hours.
Traveling to a place near Seoul?
Book flights to Seoul if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Chicago to Seoul?
To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Seoul from Chicago.
Can I find flights from Chicago to Seoul with flexible booking policies on momondo?
Flights from Chicago to Seoul with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.
How can momondo help me find flights from Chicago to Seoul?
Once all potential Chicago to Seoul flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from Chicago to Seoul right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of Chicago to Seoul flights. All you need is a valid email address and we will do the rest; it is that quick and easy.