HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Busan

$724+ 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 6/21. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — PUS
Mar 26 — Apr 21
Thu 3/26
Thu 4/2
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 February 24, 2026.

This Gurufare deal was found by Cheapflights users on 2/22. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2712:30 am
ORD
-
PUS
1 stop27h 10m
EVA Air
Sun 11/86:55 pm
PUS
-
ORD
1 stop39h 40m
EVA Air
Deal found 2/22$950
This oojo deal was found by Cheapflights users on 2/24. 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.
Tue 11/1011:30 pm
ORD
-
PUS
1 stop27h 10m
EVA Air
Sun 11/226:55 pm
PUS
-
ORD
1 stop39h 40m
EVA Air
Deal found 2/24$953
This Gurufare deal was found by Cheapflights users on 2/21. 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 Gurufare 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
Fri 11/136:55 pm
PUS
-
ORD
1 stop39h 40m
EVA Air
Deal found 2/21$1,026
This EVA Air deal was found by Cheapflights users on 2/23. 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 10/2512:30 am
ORD
-
PUS
1 stop27h 10m
EVA Air
Fri 10/306:55 pm
PUS
-
ORD
1 stop39h 40m
EVA Air
Deal found 2/23$1,051
This Orbitz deal was found by Cheapflights users on 2/24. 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.
Tue 11/105:55 pm
ORD
-
PUS
2 stops33h 55m
Multiple Airlines
Sun 11/227:50 pm
PUS
-
ORD
2 stops26h 10m
Multiple Airlines
Deal found 2/24$1,063
This Jetabroad deal was found by Cheapflights users on 2/22. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/285:55 pm
ORD
-
PUS
2 stops33h 45m
Multiple Airlines
Sun 11/86:55 pm
PUS
-
ORD
1 stop39h 40m
Multiple Airlines
Deal found 2/22$1,072
This Trip.com deal was found by Cheapflights users on 2/23. 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 4/812:30 am
ORD
-
PUS
1 stop27h 30m
EVA Air
Thu 4/167:10 pm
PUS
-
ORD
1 stop39h 50m
EVA Air
Deal found 2/23$1,105
This Bravofly deal was found by Cheapflights users on 2/21. 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 Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/1212:30 am
ORD
-
PUS
1 stop27h 30m
EVA Air
Mon 4/207:10 pm
PUS
-
ORD
2 stops24h 40m
EVA Air
Deal found 2/21$1,112
This Orbitz deal was found by Cheapflights users on 2/21. 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 11/811:30 pm
ORD
-
PUS
1 stop27h 10m
Multiple Airlines
Fri 11/136:55 pm
PUS
-
ORD
2 stops34h 17m
Multiple Airlines
Deal found 2/21$1,142
This Bravofly deal was found by Cheapflights users on 2/21. 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 Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/612:30 am
ORD
-
PUS
1 stop27h 30m
EVA Air
Tue 4/147:10 pm
PUS
-
ORD
1 stop39h 50m
EVA Air
Deal found 2/21$1,147
This Delta deal was found by Cheapflights users on 2/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/79:30 am
MDW
-
PUS
2 stops21h 15m
Delta
Tue 4/148:00 am
PUS
-
MDW
2 stops18h 43m
Delta
Deal found 2/21$1,687
This China Airlines deal was found by Cheapflights users on 2/23. 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 5/286:10 pm
MDW
-
PUS
2 stops25h 20m
Multiple Airlines
Tue 7/288:00 pm
PUS
-
MDW
2 stops23h 55m
Multiple Airlines
Deal found 2/23$2,053

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 February 24, 2026.

Round-trip from

$1,105
(Trip.com)
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 February 24, 2026.
Use the filters below to find and compare flights from Chicago to Busan that are best for you.

Fly from

Chicago

Fly to

Busan

Route

Depart

Return

Price

ChicagoBusan

ORD - PUS

ORDPUS

Chicago O'Hare Intl

Sun 4/12

12:30 am-6:00 pm

1 stop27h 30m

Busan Gimhae

Mon 4/20

7:10 pm-5:50 am

2 stops24h 40m

$1,112

ChicagoBusan

ORD - PUS

ORDPUS

Chicago O'Hare Intl

Mon 4/6

12:30 am-6:00 pm

1 stop27h 30m

Busan Gimhae

Tue 4/14

7:10 pm-9:00 pm

1 stop39h 50m

$1,147

ChicagoBusan

ORD - PUS

ORDPUS

Chicago O'Hare Intl

Wed 4/8

12:30 am-6:00 pm

1 stop27h 30m

Busan Gimhae

Thu 4/16

7:10 pm-5:15 am

2 stops48h 05m

$1,173

ChicagoBusan

ORD - PUS

ORDPUS

Chicago O'Hare Intl

Sun 4/12

12:30 am-6:00 pm

1 stop27h 30m

Busan Gimhae

Mon 4/20

7:45 am-7:00 am

3 stops37h 15m

$1,226

ChicagoBusan

ORD - PUS

ORDPUS

Chicago O'Hare Intl

Fri 5/1

7:20 pm-11:15 am

2 stops25h 55m

Busan Gimhae

Sat 5/9

8:00 pm-6:40 am

2 stops24h 40m

$1,303

ChicagoBusan

ORD - PUS

ORDPUS

Chicago O'Hare Intl

Tue 3/3

5:29 pm-5:40 pm

2 stops33h 11m

Busan Gimhae

Fri 3/13

3:45 pm-12:58 am

2 stops23h 13m

$1,373

ChicagoBusan

ORD - PUS

ORDPUS

Chicago O'Hare Intl

Tue 4/7

8:40 am-6:55 pm

2 stops20h 15m

Busan Gimhae

Tue 4/14

8:10 am-4:04 pm

3 stops45h 54m

$1,395

ChicagoBusan

ORD - PUS

ORDPUS

Chicago O'Hare Intl

Sat 5/9

7:00 am-6:00 pm

2 stops45h 00m

Busan Gimhae

Sat 5/23

7:10 pm-9:00 pm

1 stop39h 50m

$1,401

ChicagoBusan

ORD - PUS

ORDPUS

Chicago O'Hare Intl

Sat 5/9

6:30 pm-6:00 pm

2 stops57h 30m

Busan Gimhae

Sat 5/23

7:10 pm-6:20 am

2 stops25h 10m

$1,434

ChicagoBusan

MDW - PUS

MDWPUS

Chicago Midway

Thu 4/9

9:35 am-8:45 pm

2 stops21h 10m

Busan Gimhae

Thu 4/16

8:00 am-12:43 pm

2 stops18h 43m

$1,687

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/23

Showing 1-10 of 21 results
1
2
3

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 and Delta can get you from Chicago to Busan in just under 21h 10m. Your travel time can differ by up to 6h 20m. There are 6630 mi between Chicago and Busan. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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.

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.