HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Busan

$587+ 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 2/21. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — PUS
Dec 26 — Jan 21
Fri 12/26
Fri 1/2
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.

Find 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 November 26, 2025.

This oojo deal was found by Cheapflights users on 11/26. 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 12/2711:30 pmORD - PUS
1 stop27h 10mEVA Air
Tue 1/136:55 pmPUS - ORD
1 stop39h 40mEVA Air
Deal found 11/26$1,810
This Delta deal was found by Cheapflights users on 11/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/276:00 amORD - PUS
2 stops35h 10mDelta
Tue 1/1310:25 amPUS - ORD
2 stops26h 27mDelta
Deal found 11/24$2,106

Cheap 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 November 26, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Round-trip from

$1,091
(EVA Air)

One-way from

$781
(Kiwi.com)
Provider with most accurate pricing for Chicago (CHI)-Busan Gimhae flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-Busan Gimhae flights.
Search Deals
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 November 26, 2025.
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 1/25

11:30 pm-5:40 pm

1 stop27h 10m

Busan Gimhae

Thu 1/29

6:55 pm-7:35 pm

1 stop39h 40m

$1,091

ChicagoBusan

ORD - PUS

ORDPUS

Chicago O'Hare Intl

Thu 1/8

2:35 pm-6:55 am

1 stop25h 20m

Busan Gimhae

Thu 1/15

8:20 am-1:35 pm

2 stops44h 15m

$1,351

ChicagoBusan

ORD - PUS

ORDPUS

Chicago O'Hare Intl

Fri 1/9

11:30 pm-5:40 pm

1 stop27h 10m

Busan Gimhae

Fri 1/16

6:55 pm-7:35 pm

1 stop39h 40m

$1,596

ChicagoBusan

MDW - PUS

MDWPUS

Chicago Midway

Fri 1/9

5:31 pm-10:50 am

2 stops26h 19m

Busan Gimhae

Fri 1/16

7:00 am-12:48 pm

2 stops20h 48m

$2,006

ChicagoBusan

MDW - PUS

MDWPUS

Chicago Midway

Sun 1/25

1:26 pm-8:45 pm

2 stops40h 19m

Busan Gimhae

Thu 1/29

7:00 am-11:59 am

2 stops19h 59m

$2,293

ChicagoBusan

MDW - PUS

MDWPUS

Chicago Midway

Thu 1/1

6:00 am-7:35 pm

2 stops22h 35m

Busan Gimhae

Sat 1/31

7:00 am-12:46 pm

2 stops20h 46m

$11,693

ChicagoBusan

MDW - PUS

MDWPUS

Chicago Midway

Thu 1/8

5:31 pm-3:10 pm

2 stops30h 39m

Busan Gimhae

Thu 1/15

10:25 am-10:07 pm

2 stops26h 42m

$11,693

ChicagoBusan

ORD - PUS

ORDPUS

Chicago O'Hare Intl

Sat 2/21

1:52 pm-11:50 am

3 stops54h 58m

$587

ChicagoBusan

ORD - PUS

ORDPUS

Chicago O'Hare Intl

Sat 2/21

11:30 pm-5:40 pm

1 stop27h 10m

$640

ChicagoBusan

ORD - PUS

ORDPUS

Chicago O'Hare Intl

Thu 12/25

7:57 pm-11:35 am

3 stops48h 38m

$781

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/26

Showing 1-10 of 24 results
1
2
3
  • Most accurate provider: When it comes to deals on Chicago-Busan flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Chicago-Busan flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Chicago-Busan flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Chicago-Busan flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Chicago-Busan flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 1 airline.

  • How long is the flight from Chicago to Busan?

    EVA Air and Delta can get you from Chicago to Busan in just under 26h 19m. Your travel time can differ by up to 51m. 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.

Top airline flying from Chicago to Busan

Discover the top airline that operate flights from Chicago to Busan. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated November 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
Korean AirCheapest$1,708Average$1,782FlexibilityNo cancel feeOn-time81%

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.