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$505+ 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 4/10. Fares are subject to change and may not be available on all flights or dates of travel.
GMP — ORD
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
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 March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$927
(Gurufare)

One-way from

$505
(Kiwi.com)

Popular in

August

Cheapest in

February

Average price

$1,093
Provider with most accurate pricing for Seoul (SEL)-Chicago (CHI) flight deals.
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Provider most trusted by Cheapflights users for Seoul (SEL)-Chicago (CHI) flights.
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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. 22% potential increase in price ($364 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($54 potential savings vs. average RT price).
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Average for round-trip flights in March 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 March 28, 2025.

This Gurufare deal was found by Cheapflights users on 3/27. 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 Gurufare 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
Mon 10/205:45 pmORD - GMP
1 stop27h 20mANA
Deal found 3/27$927
This Cheapflightsfares deal was found by Cheapflights users on 3/27. 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.
Tue 9/237:55 amGMP - ORD
1 stop15h 10mJapan Airlines
Tue 10/216:00 amORD - GMP
2 stops25h 50mJapan Airlines
Deal found 3/27$1,096
This FlightHub deal was found by Cheapflights users on 3/27. 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.
Mon 9/157:20 pmGMP - STL
2 stops31h 38mJapan Airlines
Tue 10/147:19 amSTL - GMP
2 stops24h 31mJapan Airlines
Deal found 3/27$1,220
This EVA Air deal was found by Cheapflights users on 3/26. 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.
Sat 8/231:50 pmGMP - ORD
1 stop21h 20mEVA Air
Mon 8/2512:30 amORD - GMP
1 stop28h 45mEVA Air
Deal found 3/26$1,399
This American Airlines deal was found by Cheapflights users on 3/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/307:50 amGMP - ORD
2 stops19h 31mMultiple Airlines
Tue 11/258:05 amORD - GMP
2 stops23h 15mMultiple Airlines
Deal found 3/27$1,478
This Tourvis deal was found by Cheapflights users on 3/26. 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 Tourvis is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/58:35 amGMP - ORD
2 stops28h 52mAir China
Fri 4/113:50 pmORD - GMP
2 stops31h 15mAir China
Deal found 3/26$1,854

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 March 28, 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

Wed 9/17

7:55 pm-8:40 am

1 stop26h 45m

Chicago O'Hare Intl

Mon 10/20

5:45 pm-11:05 am

1 stop27h 20m

$927

SeoulChicago

GMP - ORD

GMPORD

Seoul Gimpo Intl

Tue 9/23

7:55 am-9:05 am

1 stop15h 10m

Chicago O'Hare Intl

Tue 10/21

6:00 am-9:50 pm

2 stops25h 50m

$1,096

SeoulSt. Louis

GMP - STL

GMPSTL

Seoul Gimpo Intl

Mon 9/15

7:20 pm-12:58 pm

2 stops31h 38m

Lambert-St Louis

Tue 10/14

7:19 am-9:50 pm

2 stops24h 31m

$1,220

SeoulChicago

GMP - ORD

GMPORD

Seoul Gimpo Intl

Sat 8/23

1:50 pm-9:10 pm

1 stop21h 20m

Chicago O'Hare Intl

Mon 8/25

12:30 am-7:15 pm

1 stop28h 45m

$1,399

SeoulChicago

GMP - ORD

GMPORD

Seoul Gimpo Intl

Thu 4/10

7:55 am-7:27 pm

2 stops25h 32m

Chicago O'Hare Intl

Thu 4/17

3:50 pm-1:05 pm

2 stops31h 15m

$1,765

SeoulChicago

GMP - ORD

GMPORD

Seoul Gimpo Intl

Thu 4/10

7:25 pm-12:31 am

3 stops43h 06m

$505

SeoulChicago

GMP - ORD

GMPORD

Seoul Gimpo Intl

Wed 5/7

7:20 pm-9:15 am

1 stop27h 55m

$615

SeoulChicago

GMP - ORD

GMPORD

Seoul Gimpo Intl

Tue 4/8

8:35 am-7:41 am

2 stops37h 06m

$829

SeoulSt. Louis

GMP - STL

GMPSTL

Seoul Gimpo Intl

Thu 4/17

7:55 am-11:16 pm

2 stops29h 21m

$941

SeoulChicago

GMP - ORD

GMPORD

Seoul Gimpo Intl

Fri 4/11

1:50 pm-9:00 pm

1 stop21h 10m

$1,114

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Showing 1-10 of 11 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

Rainfall in Illinois by month

Plan your trip to Illinois by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Illinois ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Illinois when rainfall is around 1.7 in.

Temperature in Illinois by month

Plan your trip to Illinois by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Illinois, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Illinois. Reviews last updated March 28, 2025.
Get a feel of what it's like to fly with EVA Air, Japan Airlines and ANA from Seoul to Illinois by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very good
1,169 reviews

Comfort

8.3

Crew

8.6

Food

8.1

Boarding

8.4

Entertainment

8.0

Overall

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
EVA Air
8.4
Very good
1,169 reviews
EVA Air
8.4
Very good
1,169 reviews

Comfort

8.3

Crew

8.6

Food

8.1

Boarding

8.4

Entertainment

8.0

Overall

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
Japan Airlines
8.3
Very good
1,440 reviews
EVA Air
8.4
Very good
1,169 reviews

Comfort

8.3

Crew

8.6

Food

8.1

Boarding

8.4

Entertainment

8.0

Overall

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
ANA
8.3
Very good
829 reviews
EVA Air
8.4
Very good
1,169 reviews

Comfort

8.3

Crew

8.6

Food

8.1

Boarding

8.4

Entertainment

8.0

Overall

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

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.

  • What are the cheapest airlines to fly from Seoul Gimpo Intl Airport to Illinois one-way?

    For one-way options, check prices for Japan Airlines. According to our data, you can fly for as low as $615. Users have also found prices from $829 and $1,114 on Air China and EVA Air, respectively.

  • 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 $323). 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.

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