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

For one-way options, check prices for EVA Air. According to our data, you can fly for as low as $692. Users have also found prices from $857 and $973 on Air China and Japan Airlines, respectively.

How far in advance should I book a flight from Illinois to Seoul Gimpo Intl Airport?

Find a great deal and save up to 3% by booking at least 41 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Illinois to Seoul Gimpo Intl Airport within the next two weeks, with the cheapest ticket starting at $927.

What is the cheapest month to fly from Illinois to Seoul Gimpo Intl Airport?

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, January can be a great choice for travel to Seoul Gimpo Intl Airport. Flights to Seoul Gimpo Intl Airport from Illinois in January are about $1,486 on average during January, but can be found for as low as $891.

What is the cheapest time of day to fly from IL to GMP?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to Seoul Gimpo Intl Airport as you normally would.

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

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

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

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

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

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

$562+ Flights from Illinois to Seoul Gimpo Intl Airport

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Cheap flight deals from Illinois to Gimpo Intl

Most accurate provider	AranGrant 3 stars
Most trusted provider	AranGrant 3 stars
Round-trip from	$1,128 (WhyPayMore)
One-way from	$562 (Kiwi.com)
Popular in	December
Cheapest in	January
Average price	$1,331

Provider with most accurate pricing for Chicago (CHI)-Seoul (SEL) flight deals.

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Provider most trusted by Cheapflights users for Chicago (CHI)-Seoul (SEL) flights.

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From Illinois to Seoul Gimpo Intl

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One-way flight from Illinois to Seoul Gimpo Intl

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Highest demand for flights based on searches. 6% potential increase in price ($97 potential increase over avg. RT price).

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Cheapest flight prices on average. 4% potential price decrease ($58 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 Illinois to Gimpo Intl

Cheapest flights from Illinois to Gimpo Intl
Explore the most affordable flight options available from Illinois to Gimpo Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 22, 2025.

Sun 8/3112:30 amORD - GMP

1 stop27h 40mEVA Air

Tue 9/237:15 pmGMP - ORD

1 stop39h 30mEVA Air

Deal found 4/22

$1,128

Sun 4/2712:30 amORD - GMP

1 stop27h 40mMultiple Airlines

Mon 5/512:05 pmGMP - ORD

1 stop35h 10mMultiple Airlines

Deal found 4/22

$1,433

Sat 9/67:00 amSTL - GMP

2 stops24h 50mJapan Airlines

Fri 9/127:55 amGMP - STL

2 stops18h 53mJapan Airlines

Deal found 4/21

$1,462

Mon 9/111:50 amORD - GMP

1 stop20h 30mANA

Tue 9/237:40 amGMP - ORD

1 stop21h 15mANA

Deal found 4/22

$1,604

Sun 8/171:30 amORD - GMP

1 stop19h 15mJapan Airlines

Wed 8/277:20 pmGMP - ORD

1 stop27h 55mJapan Airlines

Deal found 4/22

$1,708

Thu 6/512:15 pmSTL - GMP

3 stops34h 35mMultiple Airlines

Thu 6/127:20 pmGMP - STL

3 stops35h 25mMultiple Airlines

Deal found 4/21

$2,774

Best flights from Illinois to Gimpo Intl
Discover carefully curated flight deals from Illinois to Gimpo Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 22, 2025.

Sun 8/3112:30 amORD - GMP

1 stop27h 40mEVA Air

Tue 9/237:15 pmGMP - ORD

1 stop39h 30mEVA Air

Deal found 4/22

$1,128

Sat 9/67:00 amSTL - GMP

2 stops24h 50mJapan Airlines

Fri 9/127:55 amGMP - STL

2 stops18h 53mJapan Airlines

Deal found 4/21

$1,462

Mon 9/111:50 amORD - GMP

1 stop20h 30mANA

Tue 9/237:40 amGMP - ORD

1 stop21h 15mANA

Deal found 4/22

$1,604

Mon 5/51:55 pmORD - GMP

3 stops33h 10mMultiple Airlines

Tue 5/138:20 amGMP - ORD

3 stops36h 22mMultiple Airlines

Deal found 4/22

$1,625

Sun 8/171:30 amORD - GMP

1 stop19h 15mJapan Airlines

Wed 8/277:20 pmGMP - ORD

1 stop27h 55mJapan Airlines

Deal found 4/22

$1,708

Thu 6/512:15 pmSTL - GMP

3 stops34h 35mMultiple Airlines

Thu 6/127:20 pmGMP - STL

3 stops35h 25mMultiple Airlines

Deal found 4/21

$2,774

Mon 5/263:35 pmSTL - GMP

2 stops29h 30mANA

Mon 8/257:55 pmGMP - STL

2 stops30h 30mANA

Deal found 4/21

$7,878

Last-minute flights from Illinois to Gimpo Intl
Discover last-minute flight deals from Illinois to Gimpo Intl. Data last updated April 22, 2025 and is based on user searches.

Sat 4/266:15 amSTL - GMP

2 stops25h 35mJapan Airlines

Sat 5/312:05 pmGMP - STL

2 stops25h 11mJapan Airlines

Deal found 4/21

$1,712

Sat 4/269:52 amSTL - GMP

2 stops21h 58mMultiple Airlines

Sat 5/312:05 pmGMP - STL

3 stops25h 53mMultiple Airlines

Deal found 4/21

$3,178

Sun 4/2712:30 amORD - GMP

1 stop27h 40mMultiple Airlines

Mon 5/512:05 pmGMP - ORD

1 stop35h 10mMultiple Airlines

Deal found 4/22

$1,433

Mon 4/2812:30 amORD - GMP

1 stop28h 45mEVA Air

Tue 5/67:15 pmGMP - ORD

1 stop39h 45mEVA Air

Deal found 4/22

$1,244

Mon 4/287:04 amSTL - GMP

2 stops24h 46mJapan Airlines

Wed 5/2112:05 pmGMP - STL

2 stops24h 59mJapan Airlines

Deal found 4/22

$1,741

Tue 4/295:45 pmORD - GMP

1 stop27h 20mANA

Tue 5/67:55 pmGMP - ORD

1 stop26h 45mANA

Deal found 4/22

$2,054

Thu 5/112:30 pmORD - GMP

1 stop19h 20mJapan Airlines

Thu 5/87:55 amGMP - ORD

1 stop15h 20mJapan Airlines

Deal found 4/22

$2,391

Tue 5/65:45 pmORD - GMP

1 stop27h 20mANA

Tue 5/137:55 pmGMP - ORD

2 stops23h 09mANA

Deal found 4/22

$1,984

Tue 5/612:30 pmORD - GMP

1 stop32h 15mJapan Airlines

Tue 5/137:55 amGMP - ORD

1 stop15h 20mJapan Airlines

Deal found 4/22

$2,256

One-way flights from Illinois to Gimpo Intl
Search for one-way flight options from Illinois to Gimpo Intl. Find affordable one-way fares based on user searches. Data last updated April 22, 2025.

Thu 5/14:00 pmORD - GMP

3 stops51h 05mMultiple Airlines

Deal found 4/22

$562

Wed 5/712:30 amORD - GMP

1 stop22h 20mEVA Air

Deal found 4/22

$692

Tue 5/272:40 pmSTL - GMP

3 stops41h 45mMultiple Airlines

Deal found 4/22

$755

Mon 9/82:35 pmORD - GMP

2 stops32h 30mAir China

Deal found 4/22

$857

Tue 5/276:52 amSTL - GMP

2 stops45h 08mJapan Airlines

Deal found 4/22

$973

Thu 9/185:45 pmORD - GMP

1 stop27h 20mANA

Deal found 4/22

$993

Sun 8/241:30 amORD - GMP

1 stop19h 15mJapan Airlines

Deal found 4/22

$1,055

Sun 6/16:18 pmSTL - GMP

2 stops33h 52mEVA Air

Deal found 4/22

$1,100

Cheapflights Fare Finder

Use the filters below to find and compare flights from Illinois to Seoul Gimpo Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoSeoul

ORD - GMP

ORDGMP

Chicago O'Hare Intl

Sun 8/31

12:30 am-6:10 pm

1 stop27h 40m

Seoul Gimpo Intl

Tue 9/23

7:15 pm-8:45 pm

1 stop39h 30m

$1,128

St. LouisSeoul

STL - GMP

STLGMP

Lambert-St Louis

Sat 9/6

7:00 am-9:50 pm

2 stops24h 50m

Seoul Gimpo Intl

Fri 9/12

7:55 am-12:48 pm

2 stops18h 53m

$1,462

ChicagoSeoul

ORD - GMP

ORDGMP

Chicago O'Hare Intl

Mon 9/1

11:50 am-10:20 pm

1 stop20h 30m

Seoul Gimpo Intl

Tue 9/23

7:40 am-2:55 pm

1 stop21h 15m

$1,604

ChicagoSeoul

ORD - GMP

ORDGMP

Chicago O'Hare Intl

Mon 5/5

1:55 pm-1:05 pm

3 stops33h 10m

Seoul Gimpo Intl

Tue 5/13

8:20 am-6:42 am

3 stops36h 22m

$1,625

ChicagoSeoul

ORD - GMP

ORDGMP

Chicago O'Hare Intl

Sun 8/17

1:30 am-10:45 am

1 stop19h 15m

Seoul Gimpo Intl

Wed 8/27

7:20 pm-9:15 am

1 stop27h 55m

$1,708

St. LouisSeoul

STL - GMP

STLGMP

Lambert-St Louis

Thu 6/5

12:15 pm-12:50 pm

3 stops34h 35m

Seoul Gimpo Intl

Thu 6/12

7:20 pm-4:45 pm

3 stops35h 25m

$2,774

St. LouisSeoul

STL - GMP

STLGMP

Lambert-St Louis

Mon 5/26

3:35 pm-11:05 am

2 stops29h 30m

Seoul Gimpo Intl

Mon 8/25

7:55 pm-12:25 pm

2 stops30h 30m

$7,878

ChicagoSeoul

ORD - GMP

ORDGMP

Chicago O'Hare Intl

Thu 5/1

4:00 pm-9:05 am

3 stops51h 05m

$562

St. LouisSeoul

STL - GMP

STLGMP

Lambert-St Louis

Mon 7/28

2:27 pm-1:00 pm

3 stops56h 33m

$665

ChicagoSeoul

ORD - GMP

ORDGMP

Chicago O'Hare Intl

Wed 5/7

12:30 am-12:50 pm

1 stop22h 20m

$692

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/22

Showing 1-10 of 15 results

Best time to book a flight from Illinois to Gimpo Intl

Have a flexible travel schedule? Discover the best time to fly to Gimpo Intl from Illinois 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 Illinois to Seoul Gimpo Intl Airport

Rainfall in Gimpo Intl by month

In terms of precipitation, rainfall in Seoul Gimpo Intl Airport ranges from 1.1 - 10.0 inches per month. July is typically the wettest month, when rainfall can reach 10.0 in. December is typically the driest time to visit Seoul Gimpo Intl Airport when rainfall is around 1.1 in.

Temperature in Gimpo Intl by month

If weather is an important factor for your trip to Seoul Gimpo Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

Reviews of airlines servicing Gimpo Intl

Read reviews from past customers who have flown EVA Air, Japan Airlines and ANA from Illinois to Seoul. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

EVA Air

8.4

Very good

1,180 reviews

Reviews

1 / 20

10.0

Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend

EVA Air

8.4

Very good

1,180 reviews

EVA Air

8.4

Very good

1,180 reviews

Reviews

1 / 20

10.0

Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend

Japan Airlines

8.3

Very good

1,450 reviews

EVA Air

8.4

Very good

1,180 reviews

Reviews

1 / 20

10.0

Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend

ANA

8.3

Very good

847 reviews

EVA Air

8.4

Very good

1,180 reviews

Reviews

1 / 20

10.0

Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend

Related info for your journey

What are the cheapest airlines to fly from Illinois to Seoul Gimpo Intl Airport one-way?
For one-way options, check prices for EVA Air. According to our data, you can fly for as low as $692. Users have also found prices from $857 and $973 on Air China and Japan Airlines, respectively.
Can I find deals for flights from Illinois to Gimpo Intl that include hotel bookings?
Yes. In addition to deals on Illinois to Gimpo Intl flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Illinois to Gimpo Intl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Gimpo Intl.
Can I find deals for business class flights from Illinois to Gimpo Intl?
Yes. Cheapflights offers flight deals from Illinois to Gimpo Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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$562+ Cheap flights from Illinois to Gimpo Intl (GMP)

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 5/1. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Illinois to Gimpo Intl with Cheapflights

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Cheap flight deals from Illinois to Gimpo Intl

Keep the following information in mind while searching for Illinois to Gimpo Intl flight deals. Data was last updated April 22, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Illinois to Gimpo Intl

Cheapest flights from Illinois to Gimpo IntlExplore the most affordable flight options available from Illinois to Gimpo Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 22, 2025.

Explore the most affordable flight options available from Illinois to Gimpo Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 22, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Illinois to Seoul Gimpo Intl Airport that are best for you.

Best time to book a flight from Illinois to Gimpo Intl

Have a flexible travel schedule? Discover the best time to fly to Gimpo Intl from Illinois with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Illinois to Seoul Gimpo Intl Airport

Rainfall in Gimpo Intl by month

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

Temperature in Gimpo Intl by month

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

Reviews of airlines servicing Gimpo Intl

Read reviews from past customers who have flown EVA Air, Japan Airlines and ANA from Illinois to Seoul. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Illinois to Gimpo Intl. 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 Illinois to Seoul Gimpo Intl Airport one-way?

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

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

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Illinois to Gimpo Intl

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

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Cheapest flights from Illinois to Gimpo Intl
Explore the most affordable flight options available from Illinois to Gimpo Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 22, 2025.