$622+ Cheap flights from Chicago (CHI) to Busan (PUS)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/15. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — PUS
Nov 18 — Nov 251
Round-trip
1 adult, Economy
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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
Best
Last-minute
One-way
Cheapest flights from Chicago to BusanExplore 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 October 19, 2026.
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 October 19, 2026.
This Justfly.com deal was found by Cheapflights users on 10/17. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/511:30 pm -
1 stop27h 45m
Fri 12/116:55 pm -
1 stop39h 40m
Deal found 10/17![EVA Air logo]()
$1,155
This Bravofly deal was found by Cheapflights users on 10/16. 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 11/3011:30 pm -
1 stop27h 15m
Mon 12/76:55 pm -
1 stop39h 40m
Deal found 10/16![EVA Air logo]()
$1,197
This Bravofly deal was found by Cheapflights users on 10/17. 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.
Tue 12/111:30 pm -
1 stop27h 15m
Tue 12/86:55 pm -
1 stop39h 40m
Deal found 10/17![EVA Air logo]()
$1,238
This EVA Air deal was found by Cheapflights users on 10/18. 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 11/111:30 pm -
1 stop27h 15m
Thu 11/56:55 pm -
1 stop39h 40m
Deal found 10/18![EVA Air logo]()
$1,249
This SmartFares deal was found by Cheapflights users on 10/18. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/211:30 pm -
1 stop27h 15m
Wed 12/96:55 pm -
1 stop39h 40m
Deal found 10/18![EVA Air logo]()
$1,317
This SmartFares deal was found by Cheapflights users on 10/18. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/25:29 pm -
2 stops33h 16m
Wed 12/96:55 pm -
1 stop39h 40m
Deal found 10/18![Multiple Airlines logo]()
$1,318
This FlightHub deal was found by Cheapflights users on 10/19. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2712:30 am -
1 stop27h 15m
Sun 11/87:25 pm -
1 stop39h 10m
Deal found 10/19![EVA Air logo]()
$1,332
This Trip.com deal was found by Cheapflights users on 10/19. 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.
Thu 12/36:21 am -
3 stops39h 49m
Thu 12/108:45 am -
3 stops35h 16m
Deal found 10/19![Multiple Airlines logo]()
$1,335
Best flights from Chicago to BusanDiscover carefully curated flight deals from Chicago to Busan that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 19, 2026.
Discover carefully curated flight deals from Chicago to Busan that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 19, 2026.
This SmartFares deal was found by Cheapflights users on 10/15. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/3011:30 pm -
1 stop27h 15m
Mon 12/76:55 pm -
1 stop39h 40m
Deal found 10/15![EVA Air logo]()
$1,213
This Philippine Airlines deal was found by Cheapflights users on 10/19. 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 Philippine Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/44:56 pm -
2 stops35h 44m
Sun 11/158:40 pm -
1 stop35h 15m
Deal found 10/19![Multiple Airlines logo]()
$1,349
This Alaska Airlines deal was found by Cheapflights users on 10/17. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/57:00 am -
2 stops34h 10m
Fri 12/114:10 pm -
2 stops22h 49m
Deal found 10/17![Alaska Airlines logo]()
$1,359
This EVA Air deal was found by Cheapflights users on 10/18. 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 11/111:30 pm -
1 stop27h 15m
Thu 11/56:55 pm -
1 stop39h 40m
Deal found 10/18![EVA Air logo]()
$1,249
This Gotogate deal was found by Cheapflights users on 10/19. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/36:47 pm -
2 stops34h 58m
Thu 12/104:10 pm -
2 stops22h 49m
Deal found 10/19![Alaska Airlines logo]()
$1,363
Last-minute flights from Chicago to BusanDiscover last-minute flight deals from Chicago to Busan. Data last updated October 19, 2026 and is based on user searches.
Discover last-minute flight deals from Chicago to Busan. Data last updated October 19, 2026 and is based on user searches.
This FlightHub deal was found by Cheapflights users on 10/19. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2712:30 am -
1 stop27h 15m
Sun 11/87:25 pm -
1 stop39h 10m
Deal found 10/19![EVA Air logo]()
$1,332
This EVA Air deal was found by Cheapflights users on 10/18. 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 11/111:30 pm -
1 stop27h 15m
Thu 11/56:55 pm -
1 stop39h 40m
Deal found 10/18![EVA Air logo]()
$1,249
This Philippine Airlines deal was found by Cheapflights users on 10/19. 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 Philippine Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/44:56 pm -
2 stops35h 44m
Sun 11/158:40 pm -
1 stop35h 15m
Deal found 10/19![Multiple Airlines logo]()
$1,349
This Justfly.com deal was found by Cheapflights users on 10/17. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/511:30 pm -
1 stop27h 45m
Fri 12/116:55 pm -
1 stop39h 40m
Deal found 10/17![EVA Air logo]()
$1,155
This Alaska Airlines deal was found by Cheapflights users on 10/17. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/57:00 am -
2 stops34h 10m
Fri 12/114:10 pm -
2 stops22h 49m
Deal found 10/17![Alaska Airlines logo]()
$1,359
This Bravofly deal was found by Cheapflights users on 10/16. 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 11/3011:30 pm -
1 stop27h 15m
Mon 12/76:55 pm -
1 stop39h 40m
Deal found 10/16![EVA Air logo]()
$1,197
This Jetabroad deal was found by Cheapflights users on 10/15. 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.
Mon 11/3011:30 pm -
1 stop27h 15m
Mon 12/76:55 pm -
2 stops25h 42m
Deal found 10/15![Multiple Airlines logo]()
$1,364
One-way flights from Chicago to BusanSearch for one-way flight options from Chicago to Busan. Find affordable one-way fares based on user searches. Data last updated October 19, 2026.
Search for one-way flight options from Chicago to Busan. Find affordable one-way fares based on user searches. Data last updated October 19, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/1511:45 pm -
2 stops55h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/16![Multiple Airlines logo]()
$622
This oojo deal was found by Cheapflights users on 10/16. 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.
Mon 3/153:10 pm -
1 stop25h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/16![Cathay Pacific logo]()
$632
This Kiwi.com deal was found by Cheapflights users on 10/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/173:19 pm -
3 stops57h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/18![Multiple Airlines logo]()
$1,454
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 October 19, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,155 (Justfly.com) |
One-way from | $622 (Kiwi.com) |
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 7,457,451 searches. Data last updated October 19, 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
Cheapest round-trip
ChicagoBusan
ORD Chicago O'Hare Intl - PUS Busan Gimhae
ORDPUS
Chicago O'Hare Intl
Mon 3/15
11:45 pm-8:55 pm
2 stops55h 10m
Busan Gimhae
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$622
Quickest round-trip
ChicagoBusan
ORD Chicago O'Hare Intl - PUS Busan Gimhae
ORDPUS
Chicago O'Hare Intl
Mon 3/15
3:10 pm-6:55 am
1 stop25h 45m
Busan Gimhae
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$632
ChicagoBusan
ORD Chicago O'Hare Intl - PUS Busan Gimhae
ORDPUS
Chicago O'Hare Intl
Mon 11/30
11:30 pm-5:45 pm
1 stop27h 15m
Busan Gimhae
Mon 12/7
6:55 pm-7:35 pm
1 stop39h 40m
$1,213
ChicagoBusan
ORD Chicago O'Hare Intl - PUS Busan Gimhae
ORDPUS
Chicago O'Hare Intl
Sun 11/1
11:30 pm-5:45 pm
1 stop27h 15m
Busan Gimhae
Thu 11/5
6:55 pm-7:35 pm
1 stop39h 40m
$1,249
ChicagoBusan
ORD Chicago O'Hare Intl - PUS Busan Gimhae
ORDPUS
Chicago O'Hare Intl
Wed 11/4
4:56 pm-7:40 pm
2 stops35h 44m
Busan Gimhae
Sun 11/15
8:40 pm-4:55 pm
1 stop35h 15m
$1,349
ChicagoBusan
ORD Chicago O'Hare Intl - PUS Busan Gimhae
ORDPUS
Chicago O'Hare Intl
Thu 11/5
7:00 am-8:10 am
2 stops34h 10m
Busan Gimhae
Fri 12/11
4:10 pm-11:59 pm
2 stops22h 49m
$1,359
ChicagoBusan
ORD Chicago O'Hare Intl - PUS Busan Gimhae
ORDPUS
Chicago O'Hare Intl
Thu 12/3
6:47 pm-8:45 pm
2 stops34h 58m
Busan Gimhae
Thu 12/10
4:10 pm-11:59 pm
2 stops22h 49m
$1,363
ChicagoBusan
ORD Chicago O'Hare Intl - PUS Busan Gimhae
ORDPUS
Chicago O'Hare Intl
Thu 12/17
3:19 pm-3:35 pm
3 stops57h 16m
Busan Gimhae
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$1,454
Sorted by cheapest first
Compare providers for flights from Chicago to Busan
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Chicago to Busan in October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- 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.
CHI-PUS
ORD-PUS
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
CHI-PUS
ORD-PUS
No data available for this route at this time. Please check back soon.
Related info for your journey
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