$473 Cheap Flights from Chicago (ORD) to Seoul (ICN)

Popular airlines from Chicago O'Hare Intl. Airport (ORD) to Incheon Intl. Airport (ICN)

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Cheap Flights from Chicago to Seoul (ORD-ICN)

Prices were available within the past 7 days and start at $473 for one-way flights and $765 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Cathay Pacific
Cathay Pacific
WestJet
Air Canada
Turkish Airlines
Hawaiian Airlines
Alaska Airlines
EVA Airways
LOT-Polish Airlines
United

Find the cheapest month to fly from Chicago (ORD) to Seoul (ICN)

September is typically the cheapest month to fly

From $795 - $1,287 per traveler.

Graph displaying average flight prices per month

Alternative airports near Seoul

Prices were available within the past 7 days. Prices and availability are subject to change.

Flights from Chicago (ORD) to Seoul (ICN)
Origin airport
O'Hare Intl.
Destination airport
Incheon Intl.
Airlines serving
Air Canada, Air China, Air France, Alaska Airlines, American Airlines, Asiana Airlines, Cathay Pacific, Delta, EVA Airways, Emirates, Etihad Airways, Hawaiian Airlines, KLM, Korean Air, LOT-Polish Airlines, Lufthansa, Qatar Airways, Turkish Airlines, United, WestJet
Roundtrip price
$764
Distance
6536 mi
Average flight time
13 hours 20 mins

Chicago to Seoul Flights

The cheapest times to fly from Chicago to Seoul

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Chicago to Seoul are during the month of January. You can find some of the cheapest flights from Chicago to Seoul with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Chicago to Seoul

Sunday is one of the best days to book for cheap flights from Chicago to Seoul: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Chicago to Seoul

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Chicago to Seoul in 2025. You can also book with separate airlines for your outbound and return journeys, from $473 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Chicago to Seoul flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Chicago to Seoul airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from O'Hare Intl. Airport (ORD) to Incheon Intl. Airport (ICN) cost?
You can find affordable return tickets from O'Hare Intl. Airport (ORD) to Incheon Intl. Airport (ICN) starting from $1782. Book your seat and set off on your next adventure. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Delta flight leaving ORD on August 19 2025 and touching down at ICN. The price was last updated on July 23 2025 and has not changed since.
What is the cheapest month to fly from ORD to ICN?
The cheapest flights from ORD to ICN are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from O'Hare Intl. Airport (ORD) to Incheon Intl. Airport (ICN)?
Fly nonstop from O'Hare Intl. Airport (ORD) to Incheon Intl. Airport (ICN) on a Korean Air flight.
What is the cheapest airline that flies from ORD to ICN?
Book a flight from ORD to ICN with Korean Air. This airline currently has the cheapest one-way ticket on this route, starting from $1052. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from ORD on September 30 2025. Prices were last updated on July 23 2025 and have not changed since.
How many flights per day from O'Hare Intl. Airport (ORD) to Incheon Intl. Airport (ICN)?
On average, O'Hare Intl. Airport (ORD) only offers 1 nonstop flight to Incheon Intl. Airport (ICN) each day. For more choices, try our easy-to-use filter tool. Simply enter your dates, then select "1 Stop" or "2+ Stops" to discover flights with layovers.
What are the most popular departure times for flights from O'Hare Intl. Airport (ORD) to Incheon Intl. Airport (ICN)?
The 11 AM departures from ORD to ICN are typically the busiest. Greater demand means you'll likely pay more for these departures. If you're hoping to save money, book during off-peak hours.
What day of the week has the most flights from ORD to ICN?
Sunday offers the most flights from O'Hare Intl. Airport (ORD) to Incheon Intl. Airport (ICN). Consider traveling on this day and you'll have the best chance of finding a departure that works with your plans.
What is the earliest flight from O'Hare Intl. Airport (ORD) to Incheon Intl. Airport (ICN)?
Hop on the earliest flight at around 11:25AM UTC-6, leaving from O'Hare Intl. Airport (ORD). You'll be traveling for approximately 14h 50m, landing at Incheon Intl. Airport (ICN) at approximately 5:15PM UTC+9.
How long does it take to fly from O'Hare Intl. Airport (ORD) to Incheon Intl. Airport (ICN)?
Flights from ORD to ICN have an average travel time of 14 hours and 50 minutes. The distance between the two airports is 6,500 mi.
What airline has the least delays from ORD to ICN?
Consider traveling with Thai Airways International if you'd like to go straight from O'Hare Intl. Airport (ORD) to Incheon Intl. Airport (ICN) without any holdups. This airline has the best track record for punctuality, with an on-time score of 85%. Want real-time updates? You can check your flight status using the Expedia App.
What is the best time to fly from O'Hare Intl. Airport (ORD) to Incheon Intl. Airport (ICN)?
Opt for a flight from O'Hare Intl. Airport (ORD) to Incheon Intl. Airport (ICN) that takes off before 3 PM to reduce the likelihood of delays. Departures after this time have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Seoul from O'Hare Intl. Airport (ORD)?
Incheon Intl. Airport (ICN) is the only airport in Seoul with direct flights from O'Hare Intl. Airport (ORD). Explore the options and discover cheap fares on Expedia.
Is it cheaper to buy a plane ticket from O'Hare Intl. Airport (ORD) to Incheon Intl. Airport (ICN) last-minute?
Last-minute fares from ORD to ICN are usually more expensive. To secure the best prices, start searching for flights well ahead of time. That being said, if you're flexible with your travel dates, it's possible to find a cheap fare right before your trip.
Is it cheaper to book an ORD to ICN flight and hotel package?
You'll typically save money by securing an ORD to ICN flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one place. After selecting your preferred accommodations and flights, consider adding extras like activities, tours and car rentals.
Can I cancel or change the date of my flight from O'Hare Intl. Airport (ORD) to Incheon Intl. Airport (ICN)?
If you booked your ORD to ICN flight in the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the fare type you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal for more information.

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