HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Busan

$665+ Cheap flights from Chicago (CHI) to Busan (PUS)

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 4/30. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — PUS
May 9 — May 161
Sat 5/9
Sat 5/16
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Chicago to Busan with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Chicago to Busan

Cheapest flights from Chicago to Busan
Explore the most affordable flight options available from Chicago to Busan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 9, 2026.

This EVA Air deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure EVA Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1211:30 pm
ORD
-
PUS
1 stop27h 10m
EVA Air
Mon 11/166:55 pm
PUS
-
ORD
1 stop39h 40m
EVA Air
Deal found 4/6$1,059
This oojo deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1212:30 am
ORD
-
PUS
1 stop27h 30m
EVA Air
Thu 9/247:10 pm
PUS
-
ORD
1 stop39h 35m
EVA Air
Deal found 4/7$1,077
This EVA Air deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure EVA Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/811:30 pm
ORD
-
PUS
1 stop27h 10m
EVA Air
Wed 11/116:55 pm
PUS
-
ORD
1 stop39h 40m
EVA Air
Deal found 4/7$1,099
This Orbitz deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/138:42 pm
ORD
-
PUS
2 stops31h 18m
Multiple Airlines
Thu 9/247:10 pm
PUS
-
ORD
1 stop39h 35m
Multiple Airlines
Deal found 4/7$1,134
This Priceline deal was found by Cheapflights users on 4/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2112:30 am
ORD
-
PUS
1 stop27h 30m
EVA Air
Sun 11/86:55 pm
PUS
-
ORD
1 stop39h 40m
EVA Air
Deal found 4/4$1,178
This China Airlines deal was found by Cheapflights users on 4/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/225:55 pm
ORD
-
PUS
2 stops27h 20m
Multiple Airlines
Sun 11/811:50 am
PUS
-
ORD
2 stops34h 10m
Multiple Airlines
Deal found 4/4$1,550
This China Airlines deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/135:20 pm
MDW
-
PUS
2 stops26h 10m
Multiple Airlines
Thu 9/248:00 pm
PUS
-
MDW
2 stops23h 55m
Multiple Airlines
Deal found 4/7$1,638
This Trip.com deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2212:30 am
ORD
-
PUS
1 stop27h 30m
EVA Air
Sat 8/87:10 pm
PUS
-
ORD
1 stop40h 00m
EVA Air
Deal found 4/7$1,762
This China Airlines deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/316:00 pm
MDW
-
PUS
2 stops25h 30m
Multiple Airlines
Sat 8/812:15 pm
PUS
-
MDW
2 stops30h 50m
Multiple Airlines
Deal found 4/7$1,767
This China Airlines deal was found by Cheapflights users on 4/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/193:55 pm
MDW
-
PUS
2 stops37h 05m
Multiple Airlines
Tue 5/2610:30 am
PUS
-
MDW
2 stops33h 10m
Multiple Airlines
Deal found 4/4$1,785
This China Airlines deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/236:00 pm
MDW
-
PUS
2 stops25h 30m
Multiple Airlines
Sat 8/812:15 pm
PUS
-
MDW
2 stops31h 30m
Multiple Airlines
Deal found 4/7$1,995
This China Airlines deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/226:10 pm
MDW
-
PUS
2 stops27h 05m
Multiple Airlines
Fri 5/298:00 pm
PUS
-
MDW
2 stops23h 50m
Multiple Airlines
Deal found 4/7$2,078

Find flight deals from Chicago to Busan

Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) to Busan (PUS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated April 9, 2026.

Round-trip from

$1,077
(oojo)

One-way from

$665
(Kiwi.com)
From Chicago (CHI) to Busan Gimhae
Search Deals
One-way flight from Chicago (CHI) to Busan Gimhae
Search Deals

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated April 9, 2026.
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

Cheapest round-trip

ChicagoBusan

ORD - PUS

ORDPUS

Chicago O'Hare Intl

Tue 5/19

5:44 pm-7:55 pm

2 stops36h 11m

Busan Gimhae

Tue 5/26

10:50 am-6:20 am

2 stops33h 30m

$1,785

ChicagoBusan

MDW - PUS

MDWPUS

Chicago Midway

Tue 5/19

3:55 pm-7:00 pm

2 stops37h 05m

Busan Gimhae

Tue 5/26

10:30 am-5:40 am

2 stops33h 10m

$1,785

ChicagoBusan

ORD - PUS

ORDPUS

Chicago O'Hare Intl

Wed 7/22

12:30 am-6:00 pm

1 stop27h 30m

Busan Gimhae

Sat 8/8

7:10 pm-5:46 am

2 stops48h 36m

$1,798

ChicagoBusan

ORD - PUS

ORDPUS

Chicago O'Hare Intl

Thu 5/21

7:00 am-6:00 pm

2 stops45h 00m

Busan Gimhae

Thu 5/28

7:10 pm-9:00 pm

1 stop39h 50m

$1,916

ChicagoBusan

MDW - PUS

MDWPUS

Chicago Midway

Thu 7/23

6:00 pm-9:30 am

2 stops25h 30m

Busan Gimhae

Sat 8/8

12:15 pm-5:45 am

2 stops31h 30m

$1,995
Quickest round-trip

ChicagoBusan

MDW - PUS

MDWPUS

Chicago Midway

Fri 5/22

6:10 pm-11:15 am

2 stops27h 05m

Busan Gimhae

Fri 5/29

8:00 pm-5:50 am

2 stops23h 50m

$2,078

ChicagoBusan

MDW - PUS

MDWPUS

Chicago Midway

Thu 5/28

6:10 pm-11:15 am

2 stops27h 05m

Busan Gimhae

Tue 7/28

12:15 pm-5:55 am

2 stops31h 40m

$2,212

ChicagoBusan

ORD - PUS

ORDPUS

Chicago O'Hare Intl

Sun 5/31

8:35 pm-6:00 pm

2 stops31h 25m

Busan Gimhae

Sat 6/20

7:10 pm-5:46 am

2 stops48h 36m

$2,266

ChicagoBusan

ORD - PUS

ORDPUS

Chicago O'Hare Intl

Thu 5/28

7:49 pm-6:00 pm

2 stops32h 11m

Busan Gimhae

Tue 7/28

7:10 pm-5:46 am

2 stops24h 36m

$2,278

ChicagoBusan

ORD - PUS

ORDPUS

Chicago O'Hare Intl

Sun 5/24

5:30 pm-12:55 pm

2 stops53h 25m

Busan Gimhae

Sun 5/31

9:50 pm-1:55 pm

1 stop30h 05m

$2,281

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/6

Showing 1-10 of 15 resultsSorted by cheapest first
1
2

Best time to book a flight from Chicago to Busan

Have a flexible travel schedule? Discover the best time to fly to Busan from Chicago 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 Chicago to Busan
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Chicago to Busan. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Busan from Chicago?

    If you book a flight to Busan from Chicago, you will be flying to Gimhae, which is the city’s only airport. Busan Gimhae (PUS) is located 7.2 mi from the center of Busan. There are 0 flights from Chicago to Gimhae per day from 0 different airlines.

  • How long is the flight from Chicago to Busan?

    EVA Air can get you from Chicago to Busan in just under 27h 30m. Your travel time can differ by up to . There are 6614 mi between Chicago and Busan.

  • Can I find deals for flights from Chicago to Busan that include hotel bookings?

    Yes. In addition to deals on Chicago to Busan flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Chicago to Busan?

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

  • Can I find deals for business class flights from Chicago to Busan?

    Yes. Cheapflights offers flight deals from Chicago to Busan 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

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

Alternative routes for Chicago to Busan

See prices for flight routes from nearby airports that may be better suited for you.
O'Hare Intl to Incheon Intl flights
St. Louis to Incheon Intl flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.