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$653+ Cheap flights from Gimpo Intl (GMP) to Illinois

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/14. Fares are subject to change and may not be available on all flights or dates of travel.
GMP — ORD
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Cheap flight deals from Gimpo Intl to Illinois

Keep the following information in mind while searching for Gimpo Intl to Illinois flight deals. Data was last updated September 16, 2025.

Round-trip from

$1,057
(FlightHub)

One-way from

$653
(SmartFares)

Popular in

January

Cheapest in

November

Average price

$1,400
From Seoul Gimpo Intl to Illinois
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One-way flight from Seoul Gimpo Intl to Illinois
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Highest demand for flights based on searches. 1% potential increase in price ($18 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($63 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Gimpo Intl to Illinois

Cheapest flights from Gimpo Intl to Illinois
Explore the most affordable flight options available from Gimpo Intl to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

This Gotogate deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/177:55 pmGMP - ORD
1 stop26h 45mANA
Tue 9/235:45 pmORD - GMP
1 stop27h 20mANA
Deal found 9/15$1,055
This FlightHub deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/167:50 pmGMP - ORD
1 stop26h 30mANA
Wed 2/114:25 pmORD - GMP
1 stop27h 55mANA
Deal found 9/13$1,057
This flugladen.de deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/307:50 pmGMP - ORD
1 stop26h 30mANA
Thu 11/64:25 pmORD - GMP
1 stop27h 55mANA
Deal found 9/14$1,067
This Ovago deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/157:55 pmGMP - ORD
1 stop26h 45mANA
Wed 11/124:25 pmORD - GMP
1 stop35h 10mANA
Deal found 9/14$1,080
This Gotogate deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/178:20 pmGMP - ORD
1 stop38h 25mEVA Air
Mon 9/2212:30 amORD - GMP
1 stop28h 45mEVA Air
Deal found 9/15$1,082
This EVA Air deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure EVA Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/171:50 pmGMP - ORD
1 stop20h 55mEVA Air
Sun 10/1912:30 amORD - GMP
1 stop27h 40mEVA Air
Deal found 9/13$1,089
This Cheapflightsfares deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/307:50 pmGMP - ORD
1 stop26h 30mANA
Tue 11/254:25 pmORD - GMP
1 stop27h 55mANA
Deal found 9/14$1,105
This Trip.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2312:05 pmGMP - ORD
1 stop17h 40mJapan Airlines
Tue 9/231:05 amORD - GMP
1 stop30h 45mJapan Airlines
Deal found 9/14$1,112
This FlightHub deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/197:20 pmGMP - ORD
1 stop27h 45mJapan Airlines
Tue 9/231:05 amORD - GMP
1 stop30h 45mJapan Airlines
Deal found 9/13$1,119
This Gotogate deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/227:40 amGMP - ORD
1 stop21h 15mANA
Sun 9/285:45 pmORD - GMP
1 stop27h 20mANA
Deal found 9/15$1,137
This Gotogate deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/177:40 amGMP - ORD
1 stop21h 15mANA
Wed 9/175:45 pmORD - GMP
1 stop27h 20mANA
Deal found 9/16$1,152
This Booking.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2012:25 pmGMP - STL
2 stops44h 14mANA
Mon 11/2411:05 amSTL - GMP
2 stops44h 25mANA
Deal found 9/14$1,272

Cheapflights Fare Finder

 
Customize your flight search to find flights from Gimpo Intl to Illinois that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 16, 2025.
Use the filters below to find and compare flights from Seoul Gimpo Intl Airport to Illinois that are best for you.

Fly from

Gimpo Intl

Fly to

Illinois

Route

Depart

Return

Price

SeoulChicago

GMP - ORD

GMPORD

Seoul Gimpo Intl

Thu 10/30

7:50 pm-8:20 am

1 stop26h 30m

Chicago O'Hare Intl

Thu 11/6

4:25 pm-11:20 am

1 stop27h 55m

$1,067

SeoulChicago

GMP - ORD

GMPORD

Seoul Gimpo Intl

Fri 10/17

1:50 pm-8:45 pm

1 stop20h 55m

Chicago O'Hare Intl

Sun 10/19

12:30 am-6:10 pm

1 stop27h 40m

$1,089

SeoulChicago

GMP - ORD

GMPORD

Seoul Gimpo Intl

Thu 10/30

7:50 pm-8:20 am

1 stop26h 30m

Chicago O'Hare Intl

Tue 11/25

4:25 pm-11:20 am

1 stop27h 55m

$1,105

SeoulSt. Louis

GMP - STL

GMPSTL

Seoul Gimpo Intl

Thu 2/19

7:50 pm-12:21 pm

2 stops31h 31m

Lambert-St Louis

Mon 2/23

7:41 am-6:35 pm

2 stops43h 54m

$1,270

SeoulSt. Louis

GMP - STL

GMPSTL

Seoul Gimpo Intl

Thu 11/20

12:25 pm-5:39 pm

2 stops44h 14m

Lambert-St Louis

Mon 11/24

11:05 am-10:30 pm

2 stops44h 25m

$1,272

SeoulChicago

GMP - ORD

GMPORD

Seoul Gimpo Intl

Mon 10/13

7:55 am-8:57 pm

2 stops27h 02m

Chicago O'Hare Intl

Sat 10/25

10:10 am-6:20 pm

2 stops42h 10m

$1,302

SeoulChicago

GMP - ORD

GMPORD

Seoul Gimpo Intl

Mon 10/27

7:40 pm-8:30 am

1 stop26h 50m

Chicago O'Hare Intl

Tue 11/4

5:35 pm-10:55 am

1 stop26h 20m

$1,315

SeoulChicago

GMP - ORD

GMPORD

Seoul Gimpo Intl

Wed 10/15

12:05 pm-3:45 pm

1 stop17h 40m

Chicago O'Hare Intl

Sun 10/19

1:05 am-10:45 am

1 stop19h 40m

$1,327

SeoulChicago

GMP - ORD

GMPORD

Seoul Gimpo Intl

Thu 10/16

12:05 pm-3:45 pm

1 stop17h 40m

Chicago O'Hare Intl

Sun 10/19

1:05 am-10:45 am

1 stop19h 40m

$1,327

SeoulChicago

GMP - ORD

GMPORD

Seoul Gimpo Intl

Tue 12/16

12:05 pm-7:30 am

1 stop34h 25m

Chicago O'Hare Intl

Mon 2/9

5:40 pm-10:05 pm

1 stop37h 25m

$1,387

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 24 results
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Best time to book a flight from Gimpo Intl to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from Gimpo Intl with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Seoul Gimpo Intl Airport to Illinois
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Gimpo Intl to Illinois. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Seoul Gimpo Intl Airport to Illinois?

    There are many flights that can get you from Seoul Gimpo Intl Airport to Illinois in 20h 55m. Fly via ANA, EVA Air, or Japan Airlines to get the fastest option. Airlines will cover a distance of 6517 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • Can I find deals for flights from Gimpo Intl to Illinois that include hotel bookings?

    Yes. In addition to deals on Gimpo Intl to Illinois flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Gimpo Intl to Illinois?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Gimpo Intl to Illinois.

  • Can I find deals for business class flights from Gimpo Intl to Illinois?

    Yes. Cheapflights offers flight deals from Gimpo Intl to Illinois by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Seoul Gimpo Intl Airport to Illinois?

    Currently, August is the cheapest month in which you can book a flight from Seoul Gimpo Intl Airport to Illinois (average of $245). Flying from Seoul Gimpo Intl Airport to Illinois in March is currently the most expensive (average of $321). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Gimpo Intl to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
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