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$688+ 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 5/10. Fares are subject to change and may not be available on all flights or dates of travel.
GMP — ORD
abr. 22 — abr. 291
mar. 4/22
mar. 4/29
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 abril 17, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$1,091
(KAYAK)

One-way from

$688
(oojo)

Popular in

August

Cheapest in

February

Average price

$1,223
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. 20% potential increase in price ($314 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($44 potential savings vs. average RT price).
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Average for round-trip flights in April 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 abril 17, 2025.

This KAYAK deal was found by Cheapflights users on 4/16. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/1812:40 pmGMP - ORD
1 stop34h 00mANA
jue. 10/165:45 pmORD - GMP
1 stop38h 35mANA
Deal found 4/16$1,091
This Gotogate deal was found by Cheapflights users on 4/17. 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.
sáb. 10/111:50 pmGMP - ORD
1 stop20h 55mEVA Air
jue. 10/1612:30 amORD - GMP
1 stop22h 20mEVA Air
Deal found 4/17$1,118
This FlightHub deal was found by Cheapflights users on 4/16. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/237:55 amGMP - ORD
1 stop15h 10mJapan Airlines
lun. 10/201:05 amORD - GMP
1 stop19h 40mJapan Airlines
Deal found 4/16$1,278
This FlightHub deal was found by Cheapflights users on 4/17. 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.
lun. 9/157:55 amGMP - STL
2 stops25h 13mJapan Airlines
mar. 10/147:19 amSTL - GMP
2 stops24h 31mJapan Airlines
Deal found 4/17$1,366
This American Airlines deal was found by Cheapflights users on 4/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 7/2812:05 pmGMP - ORD
2 stops21h 55mMultiple Airlines
vie. 8/296:13 amORD - GMP
2 stops21h 47mMultiple Airlines
Deal found 4/16$1,643

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 abril 17, 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

jue. 9/18

12:40 pm-8:40 am

1 stop34h 00m

Chicago O'Hare Intl

jue. 10/16

5:45 pm-10:20 pm

1 stop38h 35m

$1,091

SeoulChicago

GMP - ORD

GMPORD

Seoul Gimpo Intl

sáb. 10/11

1:50 pm-8:45 pm

1 stop20h 55m

Chicago O'Hare Intl

jue. 10/16

12:30 am-12:50 pm

1 stop22h 20m

$1,118

SeoulChicago

GMP - ORD

GMPORD

Seoul Gimpo Intl

mar. 9/23

7:55 am-9:05 am

1 stop15h 10m

Chicago O'Hare Intl

lun. 10/20

1:05 am-10:45 am

1 stop19h 40m

$1,278

SeoulSt. Louis

GMP - STL

GMPSTL

Seoul Gimpo Intl

lun. 9/15

7:55 am-7:08 pm

2 stops25h 13m

Lambert-St Louis

mar. 10/14

7:19 am-9:50 pm

2 stops24h 31m

$1,366

SeoulChicago

GMP - ORD

GMPORD

Seoul Gimpo Intl

mar. 6/3

7:55 am-3:55 pm

2 stops22h 00m

Chicago O'Hare Intl

mar. 6/17

9:12 am-9:50 pm

2 stops22h 38m

$1,609

SeoulChicago

GMP - ORD

GMPORD

Seoul Gimpo Intl

sáb. 5/10

1:50 pm-6:20 pm

2 stops42h 30m

$688

SeoulChicago

GMP - ORD

GMPORD

Seoul Gimpo Intl

mar. 6/3

7:55 am-7:38 pm

2 stops25h 43m

$735

SeoulSt. Louis

GMP - STL

GMPSTL

Seoul Gimpo Intl

jue. 5/8

12:05 pm-1:07 pm

2 stops39h 02m

$792

SeoulSt. Louis

GMP - STL

GMPSTL

Seoul Gimpo Intl

jue. 5/8

7:00 am-7:58 pm

3 stops26h 58m

$905

SeoulChicago

GMP - ORD

GMPORD

Seoul Gimpo Intl

jue. 4/24

7:55 am-11:05 pm

3 stops29h 10m

$1,060

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/17

Showing 1-10 of 13 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 abril 17, 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
1,177 reviews

Food

8.1

Overall

8.4

Boarding

8.4

Entertainment

8.0

Comfort

8.3

Crew

8.6

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
1,177 reviews
EVA Air
8.4
Very good
1,177 reviews

Food

8.1

Overall

8.4

Boarding

8.4

Entertainment

8.0

Comfort

8.3

Crew

8.6

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
1,177 reviews

Food

8.1

Overall

8.4

Boarding

8.4

Entertainment

8.0

Comfort

8.3

Crew

8.6

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
844 reviews
EVA Air
8.4
Very good
1,177 reviews

Food

8.1

Overall

8.4

Boarding

8.4

Entertainment

8.0

Comfort

8.3

Crew

8.6

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 EVA Air. According to our data, you can fly for as low as $688. Users have also found prices from $735 and $1,237 on Japan Airlines and Air China, 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 $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.

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