What is the cheapest airline that flies from Illinois to Busan Gimhae?

EVA Air and Korean Air are the most popular carriers operating from Illinois to Busan Gimhae

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 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.

$524 Cheap Flights from Illinois to Busan in 2026

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Find the cheapest flights from Illinois to Busan

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:42 pm - 11:15 am

ORD

PUS

24h 33m

2 stops

8:00 pm - 12:08 pm

PUS

ORD

30h 08m

2 stops

$1,093Multiple Airlines

Mon, Aug 24 - Tue, Sep 8

12:30 am - 6:00 pm

ORD

PUS

27h 30m

1 stop

7:10 pm - 7:00 am

PUS

ORD

25h 50m

2 stops

$1,100Multiple Airlines

Sun, Aug 23 - Tue, Sep 8

4:00 pm - 7:00 am

ORD

PUS

25h 00m

1 stop

2:20 pm - 2:20 pm

PUS

ORD

38h 00m

1 stop

$1,125Cathay Pacific

Mon, Aug 24 - Tue, Sep 8

8:48 pm - 7:55 pm

ORD

PUS

33h 07m

2 stops

10:50 am - 6:40 am

PUS

ORD

33h 50m

2 stops

$1,326Multiple Airlines

Mon, Apr 27 - Mon, May 4

7:00 am - 6:00 pm

ORD

PUS

45h 00m

2 stops

7:10 pm - 5:39 am

PUS

ORD

24h 29m

2 stops

$1,494EVA Air

Sat, Aug 1 - Tue, Sep 1

12:30 am - 6:00 pm

ORD

PUS

27h 30m

1 stop

7:10 pm - 9:00 pm

PUS

ORD

39h 50m

1 stop

$1,525EVA Air

Sat, May 9 - Sun, May 17

6:30 am - 8:45 pm

STL

PUS

24h 15m

2 stops

10:40 am - 8:50 pm

PUS

STL

24h 10m

2 stops

$1,539Korean Air

Tue, Sep 8 - Thu, Sep 10

6:45 am - 7:35 pm

STL

PUS

22h 50m

2 stops

4:30 pm - 11:01 pm

PUS

STL

20h 31m

2 stops

$1,559Korean Air

Mon, Sep 7 - Wed, Sep 9

6:00 am - 6:20 pm

STL

PUS

22h 20m

2 stops

7:00 am - 11:56 pm

PUS

STL

30h 56m

2 stops

$1,845Delta

Tue, Jun 2 - Fri, Jul 3

7:08 am - 8:45 pm

STL

PUS

23h 37m

2 stops

7:00 am - 11:53 pm

PUS

STL

30h 53m

2 stops

$1,952Delta

Tue, Jun 9 - Fri, Jul 10

Cathay Pacific flights from Illinois to Busan

Our best Cathay Pacific deals on Illinois to Busan flight tickets

Cathay Pacific

Aug 24

ORD4:00 pmChicago O'Hare Intl

25h 00m

1 stop

PUS7:00 amBusan Gimhae

Sep 8

PUS2:20 pmBusan Gimhae

38h 00m

1 stop

ORD2:20 pmChicago O'Hare Intl

$1,125

Cathay Pacific

Jul 1

ORD4:00 pmChicago O'Hare Intl

31h 35m

1 stop

PUS1:35 pmBusan Gimhae

Aug 5

PUS7:45 amBusan Gimhae

20h 35m

1 stop

ORD2:20 pmChicago O'Hare Intl

$1,839

EVA Air flights from Illinois to Busan

Our best EVA Air deals on Illinois to Busan flight tickets

EVA Air

Aug 1

ORD7:00 amChicago O'Hare Intl

45h 00m

2 stops

PUS6:00 pmBusan Gimhae

Sep 1

PUS7:10 pmBusan Gimhae

24h 29m

2 stops

ORD5:39 amChicago O'Hare Intl

$1,494

EVA Air

May 13

ORD4:40 pmChicago O'Hare Intl

35h 20m

2 stops

PUS6:00 pmBusan Gimhae

May 20

PUS7:10 pmBusan Gimhae

39h 50m

1 stop

ORD9:00 pmChicago O'Hare Intl

$1,628

EVA Air

May 10

ORD7:00 amChicago O'Hare Intl

45h 00m

2 stops

PUS6:00 pmBusan Gimhae

Aug 20

PUS7:10 pmBusan Gimhae

35h 55m

2 stops

ORD5:05 pmChicago O'Hare Intl

$1,680

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoBusan

ORD - PUS

ORDPUS

Chicago O'Hare Intl

Mon 8/24

8:42 pm-11:15 am

2 stops24h 33m

Busan Gimhae

Tue 9/8

8:00 pm-12:08 pm

2 stops30h 08m

$1,093

ChicagoBusan

ORD - PUS

ORDPUS

Chicago O'Hare Intl

Sun 8/23

12:30 am-6:00 pm

1 stop27h 30m

Busan Gimhae

Tue 9/8

7:10 pm-7:00 am

2 stops25h 50m

$1,100

ChicagoBusan

ORD - PUS

ORDPUS

Chicago O'Hare Intl

Mon 8/24

4:00 pm-7:00 am

1 stop25h 00m

Busan Gimhae

Tue 9/8

2:20 pm-2:20 pm

1 stop38h 00m

$1,125

ChicagoBusan

ORD - PUS

ORDPUS

Chicago O'Hare Intl

Mon 4/27

8:48 pm-7:55 pm

2 stops33h 07m

Busan Gimhae

Mon 5/4

10:50 am-6:40 am

2 stops33h 50m

$1,326

ChicagoBusan

ORD - PUS

ORDPUS

Chicago O'Hare Intl

Sat 8/1

7:00 am-6:00 pm

2 stops45h 00m

Busan Gimhae

Tue 9/1

7:10 pm-5:39 am

2 stops24h 29m

$1,494

ChicagoBusan

ORD - PUS

ORDPUS

Chicago O'Hare Intl

Sat 5/9

12:30 am-6:00 pm

1 stop27h 30m

Busan Gimhae

Sun 5/17

7:10 pm-9:00 pm

1 stop39h 50m

$1,525

St. LouisBusan

STL - PUS

STLPUS

Lambert-St Louis

Tue 9/8

6:30 am-8:45 pm

2 stops24h 15m

Busan Gimhae

Thu 9/10

10:40 am-8:50 pm

2 stops24h 10m

$1,539

Quickest round-trip

St. LouisBusan

STL - PUS

STLPUS

Lambert-St Louis

Mon 9/7

6:45 am-7:35 pm

2 stops22h 50m

Busan Gimhae

Wed 9/9

4:30 pm-11:01 pm

2 stops20h 31m

$1,559

St. LouisBusan

STL - PUS

STLPUS

Lambert-St Louis

Tue 6/2

6:00 am-6:20 pm

2 stops22h 20m

Busan Gimhae

Fri 7/3

7:00 am-11:56 pm

2 stops30h 56m

$1,845

St. LouisBusan

STL - PUS

STLPUS

Lambert-St Louis

Tue 6/9

7:08 am-8:45 pm

2 stops23h 37m

Busan Gimhae

Fri 7/10

7:00 am-11:53 pm

2 stops30h 53m

$1,952

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 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

Prices

Airlines

Can stopping save me money on Illinois to Busan flights?

You could potentially save up to 12% 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	17h 25m
Direct flights	None

The fastest flight from Illinois to Busan takes 17h 25m

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 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.

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.