What is the cheapest airline that flies from Seoul Gimpo Intl to Illinois?

Japan Airlines, EVA Air, and Air China are the most popular carriers operating from Seoul Gimpo Intl to Illinois

When did momondo last update prices for flights from Seoul Gimpo Intl Airport to Illinois?

Prices for flights from Seoul Gimpo Intl Airport to Illinois were last updated today.

How old do you have to be to fly from Seoul Gimpo Intl Airport to Illinois?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Seoul Gimpo Intl Airport to Illinois.

What documentation or ID do you need to fly to Illinois?

The necessary travel and health documents for your Illinois trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$527 Cheap Flights from Seoul Gimpo Intl Airport to Illinois in 2025/26

1 adult

0 bags

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Seoul Gimpo Intl Airport to Illinois

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

12:05 pm - 7:30 amGMP-ORD

34h 25m1 stop

5:40 pm - 10:05 pmORD-GMP

37h 25m1 stop

$877Japan Airlines

Find Deal

mar., dic. 23 - vie., feb. 27

12:05 pm - 7:30 amGMP-ORD

34h 25m1 stop

5:40 pm - 6:20 pmORD-GMP

33h 40m1 stop

$1,054Japan Airlines

Find Deal

mié., dic. 24 - mié., feb. 11

7:40 pm - 7:30 amGMP-ORD

26h 50m1 stop

5:40 pm - 10:05 pmORD-GMP

37h 25m1 stop

$1,055Japan Airlines

Find Deal

mié., dic. 24 - mié., feb. 11

7:50 pm - 7:20 amGMP-ORD

26h 30m1 stop

4:25 pm - 11:20 amORD-GMP

27h 55m1 stop

$1,057ANA

Find Deal

lun., feb. 2 - vie., feb. 6

7:50 pm - 7:20 amGMP-ORD

26h 30m1 stop

4:25 pm - 11:20 amORD-GMP

27h 55m1 stop

$1,061ANA

Find Deal

lun., ene. 26 - dom., feb. 1

12:25 pm - 7:20 amGMP-ORD

33h 55m1 stop

4:25 pm - 6:35 pmORD-GMP

35h 10m1 stop

$1,062ANA

Find Deal

vie., ene. 23 - lun., ene. 26

7:50 pm - 2:40 pmGMP-ORD

33h 50m2 stops

4:25 pm - 11:20 amORD-GMP

27h 55m1 stop

$1,085ANA

Find Deal

lun., ene. 26 - dom., feb. 1

7:50 pm - 7:20 amGMP-ORD

26h 30m1 stop

4:25 pm - 11:20 amORD-GMP

27h 55m1 stop

$1,096ANA

Find Deal

mié., feb. 11 - vie., feb. 20

12:05 pm - 7:30 amGMP-ORD

34h 25m1 stop

10:20 am - 10:05 pmORD-GMP

20h 45m1 stop

$1,104Japan Airlines

Find Deal

lun., dic. 8 - jue., dic. 11

8:00 am - 1:55 pmGMP-ORD

20h 55m2 stops

8:16 am - 10:05 pmORD-GMP

22h 49m2 stops

$1,256Multiple Airlines

Find Deal

lun., feb. 2 - vie., feb. 6

Japan Airlines flights from Seoul Gimpo Intl Airport to Illinois

Our best Japan Airlines deals on Seoul Gimpo Intl Airport to Illinois flight tickets

Japan Airlines

Dec 23

GMP12:05 pmSeoul Gimpo Intl

34h 25m

1 stop

ORD7:30 amChicago O'Hare Intl

Feb 27

ORD5:40 pmChicago O'Hare Intl

37h 25m

1 stop

GMP10:05 pmSeoul Gimpo Intl

$877

Find similar

Japan Airlines

Dec 24

GMP12:05 pmSeoul Gimpo Intl

34h 25m

1 stop

ORD7:30 amChicago O'Hare Intl

Feb 11

ORD5:40 pmChicago O'Hare Intl

33h 40m

1 stop

GMP6:20 pmSeoul Gimpo Intl

$1,054

Find similar

Japan Airlines

Dec 24

GMP7:40 pmSeoul Gimpo Intl

26h 50m

1 stop

ORD7:30 amChicago O'Hare Intl

Feb 11

ORD5:40 pmChicago O'Hare Intl

37h 25m

1 stop

GMP10:05 pmSeoul Gimpo Intl

$1,055

Find similar

ANA flights from Seoul Gimpo Intl Airport to Illinois

Our best ANA deals on Seoul Gimpo Intl Airport to Illinois flight tickets

ANA

Feb 2

GMP7:50 pmSeoul Gimpo Intl

26h 30m

1 stop

ORD7:20 amChicago O'Hare Intl

Feb 6

ORD4:25 pmChicago O'Hare Intl

27h 55m

1 stop

GMP11:20 amSeoul Gimpo Intl

$1,057

Find similar

ANA

Jan 26

GMP7:50 pmSeoul Gimpo Intl

26h 30m

1 stop

ORD7:20 amChicago O'Hare Intl

Feb 1

ORD4:25 pmChicago O'Hare Intl

27h 55m

1 stop

GMP11:20 amSeoul Gimpo Intl

$1,061

Find similar

ANA

Jan 23

GMP12:25 pmSeoul Gimpo Intl

33h 55m

1 stop

ORD7:20 amChicago O'Hare Intl

Jan 26

ORD4:25 pmChicago O'Hare Intl

35h 10m

1 stop

GMP6:35 pmSeoul Gimpo Intl

$1,062

Find similar

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

SeoulChicago

GMP - ORD

GMPORD

Seoul Gimpo Intl

mar. 12/23

12:05 pm-7:30 am

1 stop34h 25m

Chicago O'Hare Intl

vie. 2/27

5:40 pm-10:05 pm

1 stop37h 25m

$877

SeoulChicago

GMP - ORD

GMPORD

Seoul Gimpo Intl

mié. 12/24

12:05 pm-7:30 am

1 stop34h 25m

Chicago O'Hare Intl

mié. 2/11

5:40 pm-6:20 pm

1 stop33h 40m

$1,054

SeoulChicago

GMP - ORD

GMPORD

Seoul Gimpo Intl

mié. 12/24

7:40 pm-7:30 am

1 stop26h 50m

Chicago O'Hare Intl

mié. 2/11

5:40 pm-10:05 pm

1 stop37h 25m

$1,055

SeoulChicago

GMP - ORD

GMPORD

Seoul Gimpo Intl

lun. 2/2

7:50 pm-7:20 am

1 stop26h 30m

Chicago O'Hare Intl

vie. 2/6

4:25 pm-11:20 am

1 stop27h 55m

$1,057

SeoulChicago

GMP - ORD

GMPORD

Seoul Gimpo Intl

lun. 1/26

7:50 pm-7:20 am

1 stop26h 30m

Chicago O'Hare Intl

dom. 2/1

4:25 pm-11:20 am

1 stop27h 55m

$1,061

SeoulChicago

GMP - ORD

GMPORD

Seoul Gimpo Intl

vie. 1/23

12:25 pm-7:20 am

1 stop33h 55m

Chicago O'Hare Intl

lun. 1/26

4:25 pm-6:35 pm

1 stop35h 10m

$1,062

SeoulChicago

GMP - ORD

GMPORD

Seoul Gimpo Intl

lun. 1/26

7:50 pm-2:40 pm

2 stops33h 50m

Chicago O'Hare Intl

dom. 2/1

4:25 pm-11:20 am

1 stop27h 55m

$1,085

SeoulChicago

GMP - ORD

GMPORD

Seoul Gimpo Intl

mié. 2/11

7:50 pm-7:20 am

1 stop26h 30m

Chicago O'Hare Intl

vie. 2/20

4:25 pm-11:20 am

1 stop27h 55m

$1,096

SeoulChicago

GMP - ORD

GMPORD

Seoul Gimpo Intl

lun. 12/8

12:05 pm-7:30 am

1 stop34h 25m

Chicago O'Hare Intl

jue. 12/11

10:20 am-10:05 pm

1 stop20h 45m

$1,104

SeoulChicago

GMP - ORD

GMPORD

Seoul Gimpo Intl

lun. 2/2

8:00 am-1:55 pm

2 stops20h 55m

Chicago O'Hare Intl

vie. 2/6

8:16 am-10:05 pm

2 stops22h 49m

$1,256

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Seoul Gimpo Intl Airport to Illinois

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest time of day to depart on your flight to Illinois?

Our most recent data shows that the best time of day to fly to Illinois is in the morning. Flights from Seoul Gimpo Intl Airport to Illinois during this time can be as low as $982. Flights in the evening are often more expensive with an average ticket price of $1,005.

Cheap Seoul Gimpo Intl Airport to Illinois flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seoul Gimpo Intl Airport to Illinois

Direct flights	None

There are no direct flights from Seoul Gimpo Intl Airport to Illinois. There are no popular flight routes from Seoul Gimpo Intl Airport to Illinois.

Search flight deals

When did momondo last update prices for flights from Seoul Gimpo Intl Airport to Illinois?
Prices for flights from Seoul Gimpo Intl Airport to Illinois were last updated today.
How old do you have to be to fly from Seoul Gimpo Intl Airport to Illinois?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Seoul Gimpo Intl Airport to Illinois.
What documentation or ID do you need to fly to Illinois?
The necessary travel and health documents for your Illinois trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Seoul to Illinois?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Seoul to Illinois. momondo saves you time and could save you money on your trip.

Can I find flights from Seoul to Illinois with flexible booking policies on momondo?

momondo does allow users to show only those flights to Illinois from Seoul which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Seoul to Illinois?

momondo helps you find the best flight between Seoul and Illinois by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Seoul to Illinois right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Illinois from Seoul. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.