When did momondo last update prices for flights from Illinois to Busan Gimhae Airport?

Prices for flights from Illinois to Busan Gimhae Airport are updated daily.

How many operators does momondo search for flights from Illinois to Busan Gimhae Airport?

As of February 2026, there is 1 operator available to choose from for flights from Illinois to Busan Gimhae Airport.

How old do you have to be to fly from Illinois to Busan Gimhae Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Illinois to Busan Gimhae Airport.

What documentation or ID do you need to fly to Busan Gimhae Airport?

The required travel and health documents for your Busan Gimhae Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Busan Gimhae Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$500 Cheap Flights from Illinois to Busan in 2026

1 adult

0 bags

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Find the cheapest flights from Illinois to Busan

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:03 am - 8:45 pm

STL

PUS

23h 42m

2 stops

10:40 am - 11:58 pm

PUS

STL

27h 18m

2 stops

$1,504Delta

Thu, Mar 26 - Thu, Apr 2

5:30 am - 8:45 pm

ORD

PUS

25h 15m

2 stops

8:45 am - 9:34 pm

PUS

ORD

26h 49m

2 stops

$1,996Delta

Sat, Mar 21 - Sun, Mar 29

3:35 pm - 1:20 pm

ORD

PUS

31h 45m

1 stop

10:55 am - 8:50 am

PUS

ORD

59h 55m

2 stops

$2,049Multiple Airlines

Sat, Mar 21 - Sun, Mar 29

1:55 pm - 2:35 pm

ORD

PUS

34h 40m

3 stops

11:00 am - 7:20 am

PUS

ORD

34h 20m

2 stops

$2,254Multiple Airlines

Sat, Mar 21 - Sun, Mar 29

1:55 pm - 2:35 pm

ORD

PUS

34h 40m

3 stops

5:50 pm - 3:05 pm

PUS

ORD

35h 15m

3 stops

$2,273Multiple Airlines

Sat, Mar 21 - Sun, Mar 29

3:35 pm - 1:20 pm

ORD

PUS

31h 45m

1 stop

9:50 pm - 1:55 pm

PUS

ORD

30h 05m

1 stop

$2,571Multiple Airlines

Sat, Mar 21 - Sun, Mar 29

4:05 pm - 11:35 am

STL

PUS

29h 30m

3 stops

3:50 pm - 1:25 pm

PUS

STL

35h 35m

3 stops

$4,307Multiple Airlines

Thu, Mar 26 - Thu, Apr 2

12:30 am - 6:00 pm

ORD

PUS

27h 30m

1 stop

7:10 pm - 9:00 pm

PUS

ORD

39h 50m

1 stop

$6,863EVA Air

Fri, Apr 24 - Fri, May 1

4:20 pm - 8:05 am

ORD

PUS

49h 45m

2 stops

8:00 am - 2:15 pm

PUS

ORD

44h 15m

2 stops

$13,353KLM

Sat, Apr 25 - Fri, May 1

2:30 pm - 9:30 pm

ORD

PUS

41h 00m

2 stops

5:30 pm - 11:00 am

PUS

ORD

31h 30m

2 stops

$25,344Japan Airlines

Fri, Jul 31 - Mon, Aug 10

Korean Air flights from Illinois to Busan

Our best Korean Air deals on Illinois to Busan flight tickets

Korean Air

Feb 19

STL6:35 amLambert-St Louis

22h 00m

2 stops

PUS7:35 pmBusan Gimhae

Feb 23

PUS7:55 amBusan Gimhae

30h 28m

2 stops

STL11:23 pmLambert-St Louis

$1,240

Korean Air

Feb 19

STL6:35 amLambert-St Louis

22h 00m

2 stops

PUS7:35 pmBusan Gimhae

Feb 23

PUS7:00 amBusan Gimhae

31h 36m

2 stops

STL11:36 pmLambert-St Louis

$1,290

Korean Air

Feb 19

STL6:10 amLambert-St Louis

22h 25m

2 stops

PUS7:35 pmBusan Gimhae

Feb 23

PUS10:25 amBusan Gimhae

27h 58m

2 stops

STL11:23 pmLambert-St Louis

$1,415

Delta flights from Illinois to Busan

Our best Delta deals on Illinois to Busan flight tickets

Delta

Mar 26

STL7:03 amLambert-St Louis

23h 42m

2 stops

PUS8:45 pmBusan Gimhae

Apr 2

PUS10:40 amBusan Gimhae

27h 18m

2 stops

STL11:58 pmLambert-St Louis

$1,504

Delta

Mar 21

ORD5:30 amChicago O'Hare Intl

25h 15m

2 stops

PUS8:45 pmBusan Gimhae

Mar 29

PUS8:45 amBusan Gimhae

26h 49m

2 stops

ORD9:34 pmChicago O'Hare Intl

$1,996

Fly from

Fly to

Route

Depart

Return

Price

St. LouisBusan

STL - PUS

STLPUS

Lambert-St Louis

Thu 3/26

7:03 am-8:45 pm

2 stops23h 42m

Busan Gimhae

Thu 4/2

10:40 am-11:58 pm

2 stops27h 18m

$1,504

ChicagoBusan

ORD - PUS

ORDPUS

Chicago O'Hare Intl

Sat 3/21

5:30 am-8:45 pm

2 stops25h 15m

Busan Gimhae

Sun 3/29

8:45 am-9:34 pm

2 stops26h 49m

$1,996

ChicagoBusan

ORD - PUS

ORDPUS

Chicago O'Hare Intl

Sat 3/21

3:35 pm-1:20 pm

1 stop31h 45m

Busan Gimhae

Sun 3/29

10:55 am-8:50 am

2 stops59h 55m

$2,049

ChicagoBusan

ORD - PUS

ORDPUS

Chicago O'Hare Intl

Sat 3/21

1:55 pm-2:35 pm

3 stops34h 40m

Busan Gimhae

Sun 3/29

11:00 am-7:20 am

2 stops34h 20m

$2,254

ChicagoBusan

ORD - PUS

ORDPUS

Chicago O'Hare Intl

Sat 3/21

1:55 pm-2:35 pm

3 stops34h 40m

Busan Gimhae

Sun 3/29

5:50 pm-3:05 pm

3 stops35h 15m

$2,273

ChicagoBusan

ORD - PUS

ORDPUS

Chicago O'Hare Intl

Sat 3/21

3:35 pm-1:20 pm

1 stop31h 45m

Busan Gimhae

Sun 3/29

9:50 pm-1:55 pm

1 stop30h 05m

$2,571

St. LouisBusan

STL - PUS

STLPUS

Lambert-St Louis

Thu 3/26

4:05 pm-11:35 am

3 stops29h 30m

Busan Gimhae

Thu 4/2

3:50 pm-1:25 pm

3 stops35h 35m

$4,307

ChicagoBusan

ORD - PUS

ORDPUS

Chicago O'Hare Intl

Fri 4/24

12:30 am-6:00 pm

1 stop27h 30m

Busan Gimhae

Fri 5/1

7:10 pm-9:00 pm

1 stop39h 50m

$6,863

ChicagoBusan

ORD - PUS

ORDPUS

Chicago O'Hare Intl

Sat 4/25

4:20 pm-8:05 am

2 stops49h 45m

Busan Gimhae

Fri 5/1

8:00 am-2:15 pm

2 stops44h 15m

$13,353

ChicagoBusan

ORD - PUS

ORDPUS

Chicago O'Hare Intl

Fri 7/31

2:30 pm-9:30 pm

2 stops41h 00m

Busan Gimhae

Mon 8/10

5:30 pm-11:00 am

2 stops31h 30m

$25,344

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first

How to get the cheapest flight ticket from Illinois to Busan

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

Can stopping save me money on Illinois to Busan flights?

You could potentially save up to 65% on your flight if you consider stops on a Illinois to Busan flight.

Cheap Illinois to Busan flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Illinois to Busan

Fastest flight time	21h 10m
Direct flights	None

The fastest flight from Illinois to Busan takes 21h 10m

There are no direct flights from Illinois to Busan. There are no popular flight routes from Illinois to Busan.

Search flight deals

When did momondo last update prices for flights from Illinois to Busan Gimhae Airport?
Prices for flights from Illinois to Busan Gimhae Airport are updated daily.
How many operators does momondo search for flights from Illinois to Busan Gimhae Airport?
As of February 2026, there is 1 operator available to choose from for flights from Illinois to Busan Gimhae Airport.
How old do you have to be to fly from Illinois to Busan Gimhae Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Illinois to Busan Gimhae Airport.
What documentation or ID do you need to fly to Busan Gimhae Airport?
The required travel and health documents for your Busan Gimhae Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Busan Gimhae Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Illinois to Busan

Compare and see reviews for airlines that fly from Illinois to Busan with momondo

Airline	Rating	Free Cancellation	Price
Korean Air	PriceFrom $1,708	Free Cancellation	Rating 8.4 1,191 reviews		Search Korean Air flights

Why use momondo?

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

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

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

Yes. All flights to Busan from Illinois on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once you have performed a search for Illinois to Busan flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes momondo offers price alerts on flights to Busan from Illinois. 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.