$670 Cheap Flights from Seoul (GMP) to Chicago (ORD)

View $670 flight on Mon, Oct 13, 2025Opens in a new window

Popular airlines from Gimpo Intl. Airport (GMP) to Chicago O'Hare Intl. Airport (ORD)

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Cheap Flights from Seoul to Chicago (GMP-ORD)

Prices were available within the past 7 days and start at $670 for one-way flights and $1,085 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

All Nippon Airways
Thu, Dec 18 - Wed, Dec 31
GMP
Seoul
ORD
Chicago
$1,085 Roundtrip, found 1 day ago
$1,085
Roundtrip
found 1 day ago
Select All Nippon Airways flight, departing Thu, Dec 18 from Seoul to Chicago, returning Wed, Dec 31, priced at $1,085 found 1 day ago
Asiana Airlines
Thu, Jun 19 - Wed, Aug 20
GMP
Seoul
ORD
Chicago
$1,126 Roundtrip, found 6 days ago
$1,126
Roundtrip
found 6 days ago
Select Asiana Airlines flight, departing Thu, Jun 19 from Seoul to Chicago, returning Wed, Aug 20, priced at $1,126 found 6 days ago
All Nippon Airways
Tue, Mar 3 - Tue, Mar 10
GMP
Seoul
ORD
Chicago
$1,149 Roundtrip, found 2 days ago
$1,149
Roundtrip
found 2 days ago
Select All Nippon Airways flight, departing Tue, Mar 3 from Seoul to Chicago, returning Tue, Mar 10, priced at $1,149 found 2 days ago
All Nippon Airways
Thu, Dec 18 - Wed, Dec 31
GMP
Seoul
ORD
Chicago
$1,155 Roundtrip, found 1 day ago
$1,155
Roundtrip
found 1 day ago
Select All Nippon Airways flight, departing Thu, Dec 18 from Seoul to Chicago, returning Wed, Dec 31, priced at $1,155 found 1 day ago
Asiana Airlines
Thu, Jun 19 - Wed, Aug 20
GMP
Seoul
ORD
Chicago
$1,157 Roundtrip, found 6 days ago
$1,157
Roundtrip
found 6 days ago
Select Asiana Airlines flight, departing Thu, Jun 19 from Seoul to Chicago, returning Wed, Aug 20, priced at $1,157 found 6 days ago
All Nippon Airways
Tue, Oct 28 - Wed, Mar 11
GMP
Seoul
ORD
Chicago
$1,159 Roundtrip, found 5 days ago
$1,159
Roundtrip
found 5 days ago
Select All Nippon Airways flight, departing Tue, Oct 28 from Seoul to Chicago, returning Wed, Mar 11, priced at $1,159 found 5 days ago
All Nippon Airways
Tue, Jan 13 - Tue, Feb 3
GMP
Seoul
ORD
Chicago
$1,163 Roundtrip, found 6 days ago
$1,163
Roundtrip
found 6 days ago
Select All Nippon Airways flight, departing Tue, Jan 13 from Seoul to Chicago, returning Tue, Feb 3, priced at $1,163 found 6 days ago
Jeju Air
Thu, Jun 19 - Wed, Aug 20
GMP
Seoul
ORD
Chicago
$1,173 Roundtrip, found 6 days ago
$1,173
Roundtrip
found 6 days ago
Select Jeju Air flight, departing Thu, Jun 19 from Seoul to Chicago, returning Wed, Aug 20, priced at $1,173 found 6 days ago
Jeju Air
Thu, Jun 19 - Wed, Aug 20
GMP
Seoul
ORD
Chicago
$1,204 Roundtrip, found 6 days ago
$1,204
Roundtrip
found 6 days ago
Select Jeju Air flight, departing Thu, Jun 19 from Seoul to Chicago, returning Wed, Aug 20, priced at $1,204 found 6 days ago
All Nippon Airways
Sun, Aug 24 - Sun, Sep 21
GMP
Seoul
ORD
Chicago
$1,207 Roundtrip, found 4 days ago
$1,207
Roundtrip
found 4 days ago
Select All Nippon Airways flight, departing Sun, Aug 24 from Seoul to Chicago, returning Sun, Sep 21, priced at $1,207 found 4 days ago
Flights from Seoul (GMP) to Chicago (ORD)
Origin airport
Gimpo Intl.
Destination airport
O'Hare Intl.
Airlines serving
Air China, All Nippon Airways, Japan Airlines
Roundtrip price
$1,084
Distance
6522 mi

Seoul to Chicago Flights

The cheapest times to fly from Seoul to Chicago

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 Seoul to Chicago are during the month of December. You can find some of the cheapest flights from Seoul to Chicago with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Seoul to Chicago

Sunday is one of the best days to book for cheap flights from Seoul to Chicago: 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 Seoul to Chicago

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 Seoul to Chicago in 2025. You can also book with separate airlines for your outbound and return journeys, from $670 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 Seoul to Chicago 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 Seoul to Chicago 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 Gimpo Intl. Airport (GMP) to O'Hare Intl. Airport (ORD) cost?
Discover the latest flight deals from GMP to ORD by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from GMP to ORD?
The cheapest flights from GMP to ORD 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 Gimpo Intl. Airport (GMP) to O'Hare Intl. Airport (ORD)?
You can’t fly nonstop to O’Hare Intl. Airport (ORD) from Seoul (GMP-Gimpo Intl.). However, you can arrive in Chicago without any layovers by departing from Incheon Intl. Airport (ICN).
What is the cheapest airline that flies from GMP to ORD?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from GMP to ORD. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from Gimpo Intl. Airport (GMP) to O'Hare Intl. Airport (ORD)?
There are no daily direct flights available from Gimpo Intl. Airport (GMP) to O’Hare Intl. Airport (ORD). But you can book flights with layovers. Filter your search results on Expedia to include one or more stops, and you’ll be on your way in no time.
What day of the week has the most flights from GMP to ORD?
Friday is generally the busiest day for flights, while Tuesday is often the quietest.* Remember that flight schedules can vary depending on a range of factors, including the airline and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Gimpo Intl. Airport (GMP) to O'Hare Intl. Airport (ORD)?
Choose a flight from Gimpo Intl. Airport (GMP) to O’Hare Intl. Airport (ORD) that leaves before 3 PM to reduce the risk of cancellations and delays. Departures after this time are on average 22% more likely to be canceled.**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.
Is it cheaper to buy a plane ticket from Gimpo Intl. Airport (GMP) to O'Hare Intl. Airport (ORD) last-minute?
Booking your plane ticket from GMP to ORD right before your trip is generally more expensive. But if there’s some wiggle room with your travel dates and times, you could score a cheap last-minute fare.
Is it cheaper to book a GMP to ORD flight and hotel package?
Compared with arranging hotels and flights separately, booking a GMP to ORD flight and hotel package with Expedia could result in significant savings. Better yet, having everything in one easy place will take the stress out of planning your trip. Just secure your flights and choose from our wide range of hotels, then tailor your trip with other add-ons like activities and car rentals.
Can I cancel or change the date of my flight from Gimpo Intl. Airport (GMP) to O'Hare Intl. Airport (ORD)?
Typically, you can reschedule or cancel your GMP to ORD flight. However, additional charges may apply, especially if your booking was made over 24 hours ago. Double-check your itinerary for the airline’s fees and guidelines on flight changes, or if you’d like more details, go to our Customer Service portal.

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*Available to One Key members.