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Cheap flights from Chicago to Busan from $512

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago to Busan departing on 9/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

EVA Air Logo
11:30 pm - 5:40 pmORD-PUS
27h 10m1 stop
EVA Air Logo
6:55 pm - 7:35 pmPUS-ORD
39h 40m1 stop
$957EVA Air
Find Deal
jue., nov. 13 - mié., nov. 26
EVA Air Logo
12:30 am - 5:40 pmORD-PUS
27h 10m1 stop
EVA Air Logo
6:55 pm - 8:35 pmPUS-ORD
39h 40m1 stop
$1,012EVA Air
Find Deal
dom., mar. 8 - mié., mar. 11
Multiple Airlines Logo
11:30 pm - 5:40 pmORD-PUS
27h 10m1 stop
Multiple Airlines Logo
6:55 pm - 6:28 amPUS-ORD
26h 33m2 stops
$1,058Multiple Airlines
Find Deal
jue., nov. 13 - mié., nov. 26
Multiple Airlines Logo
12:30 am - 5:45 pmORD-PUS
27h 15m1 stop
Multiple Airlines Logo
7:45 am - 8:45 pmPUS-ORD
27h 00m2 stops
$1,259Multiple Airlines
Find Deal
lun., oct. 20 - sáb., oct. 25
Cathay Pacific Logo
4:00 pm - 1:35 pmORD-PUS
31h 35m1 stop
Cathay Pacific Logo
7:45 am - 2:25 pmPUS-ORD
20h 40m1 stop
$1,347Cathay Pacific
Find Deal
mar., oct. 21 - sáb., oct. 25
Delta Logo
6:00 am - 7:35 pmMDW-PUS
23h 35m2 stops
Delta Logo
8:05 am - 9:36 pmPUS-MDW
27h 31m2 stops
$1,720Delta
Find Deal
lun., sep. 29 - jue., oct. 2
Delta Logo
6:00 am - 8:10 amORD-PUS
35h 10m2 stops
Delta Logo
7:55 am - 11:44 pmPUS-ORD
30h 49m2 stops
$2,109Delta
Find Deal
sáb., dic. 27 - mar., ene. 13
Cathay Pacific Logo
3:40 pm - 6:55 amORD-PUS
25h 15m1 stop
Cathay Pacific Logo
2:05 pm - 2:00 pmPUS-ORD
37h 55m1 stop
$2,127Cathay Pacific
Find Deal
lun., mar. 9 - mié., mar. 11
Korean Air Logo
6:00 am - 7:35 pmORD-PUS
23h 35m2 stops
Korean Air Logo
7:55 am - 9:40 amPUS-ORD
15h 45m1 stop
$2,283Korean Air
Find Deal
lun., mar. 9 - mié., mar. 11
Korean Air Logo
6:00 am - 7:35 pmORD-PUS
23h 35m2 stops
Korean Air Logo
4:10 pm - 9:56 pmPUS-ORD
19h 46m2 stops
$2,294Korean Air
Find Deal
lun., mar. 9 - mié., mar. 11

EVA Air flights from Chicago to Busan

Our best EVA Air deals on Chicago to Busan flight tickets
EVA Air
Nov 13
ORD11:30 pmChicago O'Hare Intl
27h 10m
1 stop
PUS5:40 pmBusan Gimhae
Nov 26
PUS6:55 pmBusan Gimhae
39h 40m
1 stop
ORD7:35 pmChicago O'Hare Intl
$957
Find similar
EVA Air
Mar 8
ORD12:30 amChicago O'Hare Intl
27h 10m
1 stop
PUS5:40 pmBusan Gimhae
Mar 11
PUS6:55 pmBusan Gimhae
39h 40m
1 stop
ORD8:35 pmChicago O'Hare Intl
$1,012
Find similar
EVA Air
Nov 13
ORD3:25 pmChicago O'Hare Intl
35h 15m
2 stops
PUS5:40 pmBusan Gimhae
Nov 26
PUS6:55 pmBusan Gimhae
39h 40m
1 stop
ORD7:35 pmChicago O'Hare Intl
$1,075
Find similar

Cathay Pacific flights from Chicago to Busan

Our best Cathay Pacific deals on Chicago to Busan flight tickets
Cathay Pacific
Oct 21
ORD4:00 pmChicago O'Hare Intl
31h 35m
1 stop
PUS1:35 pmBusan Gimhae
Oct 25
PUS7:45 amBusan Gimhae
20h 40m
1 stop
ORD2:25 pmChicago O'Hare Intl
$1,347
Find similar
Cathay Pacific
Mar 9
ORD3:40 pmChicago O'Hare Intl
25h 15m
1 stop
PUS6:55 amBusan Gimhae
Mar 11
PUS2:05 pmBusan Gimhae
37h 55m
1 stop
ORD2:00 pmChicago O'Hare Intl
$2,127
Find similar
Cathay Pacific
Mar 9
ORD3:35 pmChicago O'Hare Intl
25h 20m
1 stop
PUS6:55 amBusan Gimhae
Mar 11
PUS2:05 pmBusan Gimhae
37h 50m
1 stop
ORD1:55 pmChicago O'Hare Intl
$2,128
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Chicago to Busan 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, momondo users made 832,500 searches. Data last updated septiembre 17, 2025.
Use the filters below to find and compare flights from Chicago to Busan that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoBusan

ORD - PUS

ORDPUS

Chicago O'Hare Intl

jue. 11/13

11:30 pm-5:40 pm

1 stop27h 10m

Busan Gimhae

mié. 11/26

6:55 pm-7:35 pm

1 stop39h 40m

$957

ChicagoBusan

ORD - PUS

ORDPUS

Chicago O'Hare Intl

dom. 3/8

12:30 am-5:40 pm

1 stop27h 10m

Busan Gimhae

mié. 3/11

6:55 pm-8:35 pm

1 stop39h 40m

$1,012

ChicagoBusan

ORD - PUS

ORDPUS

Chicago O'Hare Intl

jue. 11/13

11:30 pm-5:40 pm

1 stop27h 10m

Busan Gimhae

mié. 11/26

6:55 pm-6:28 am

2 stops26h 33m

$1,058

ChicagoBusan

ORD - PUS

ORDPUS

Chicago O'Hare Intl

lun. 10/20

12:30 am-5:45 pm

1 stop27h 15m

Busan Gimhae

sáb. 10/25

7:45 am-8:45 pm

2 stops27h 00m

$1,259

ChicagoBusan

ORD - PUS

ORDPUS

Chicago O'Hare Intl

mar. 10/21

4:00 pm-1:35 pm

1 stop31h 35m

Busan Gimhae

sáb. 10/25

7:45 am-2:25 pm

1 stop20h 40m

$1,347

ChicagoBusan

MDW - PUS

MDWPUS

Chicago Midway

lun. 9/29

6:00 am-7:35 pm

2 stops23h 35m

Busan Gimhae

jue. 10/2

8:05 am-9:36 pm

2 stops27h 31m

$1,720

ChicagoBusan

ORD - PUS

ORDPUS

Chicago O'Hare Intl

sáb. 12/27

6:00 am-8:10 am

2 stops35h 10m

Busan Gimhae

mar. 1/13

7:55 am-11:44 pm

2 stops30h 49m

$2,109

ChicagoBusan

ORD - PUS

ORDPUS

Chicago O'Hare Intl

lun. 3/9

3:40 pm-6:55 am

1 stop25h 15m

Busan Gimhae

mié. 3/11

2:05 pm-2:00 pm

1 stop37h 55m

$2,127

ChicagoBusan

ORD - PUS

ORDPUS

Chicago O'Hare Intl

lun. 3/9

6:00 am-7:35 pm

2 stops23h 35m

Busan Gimhae

mié. 3/11

7:55 am-9:40 am

1 stop15h 45m

$2,283

ChicagoBusan

ORD - PUS

ORDPUS

Chicago O'Hare Intl

lun. 3/9

6:00 am-7:35 pm

2 stops23h 35m

Busan Gimhae

mié. 3/11

4:10 pm-9:56 pm

2 stops19h 46m

$2,294

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Chicago 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

What is the cheapest day to depart on your flight to Busan?

Our data shows that Thursday is the least expensive day to fly to Busan. Tickets to fly out on this day can be as low as $1,908. Flights from Chicago to Busan on a Monday will generally be more expensive and average around $3,569. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

Can stopping save me money on Chicago to Busan flights?

You could potentially save up to 10% on your flight if you consider stops on a Chicago to Busan flight.

When to book flights from Chicago to Busan

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago to Busan according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Chicago to Busan (CHI to PUS) flight deals and tips

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

Direct flights

None
There are no direct flights from Chicago to Busan. There are no popular flight routes from Chicago to Busan.
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  • How far is Chicago to Busan Gimhae by plane?

    There are 6629.3 mi between Chicago and Busan Gimhae. A reasonable flight in good conditions will take 20h 35m.

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

    Prices for flights from Chicago to Busan Gimhae Airport refresh daily.

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago 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.

  • What is the most popular airline from Chicago to Busan?

Best airlines flying from Chicago to Busan

Compare and see reviews for airlines that fly from Chicago to Busan with momondo
Airline
Rating
Free Cancellation
Price
Korean AirPriceFrom $1,708Free CancellationRating
8.4
1,140 reviews
Search Korean Air flights

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Busan from Chicago.

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

Yes. momondo enables you to select and highlight flights to Busan from Chicago with this policy.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Busan from Chicago.

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

If you are simply researching potential flights to Busan, momondo offers a useful price alert feature which will track prices for flights to Busan from Chicago and alert you when they change.

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