HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Illinois

$1,218+ Cheap flights from Busan (PUS) to Illinois

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 4/6. Fares are subject to change and may not be available on all flights or dates of travel.
PUS — ORD
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Busan to Illinois 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 Busan to Illinois

Keep the following information in mind while searching for Busan to Illinois flight deals. Data was last updated February 20, 2025.

Round-trip from

$1,218
(Air Canada)
From Busan Gimhae to Illinois
Search Deals

Find flight deals from Busan to Illinois

Cheapest flights from Busan to Illinois
Explore the most affordable flight options available from Busan to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.

This Air Canada deal was found by Cheapflights users on 2/20. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/611:00 amPUS - ORD
2 stops23h 00mMultiple Airlines
Sun 4/133:45 pmORD - PUS
2 stops39h 00mMultiple Airlines
Deal found 2/20$1,218
This Booking.com deal was found by Cheapflights users on 2/19. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/610:40 amPUS - STL
2 stops42h 09mMultiple Airlines
Sun 4/133:30 pmSTL - PUS
2 stops39h 15mMultiple Airlines
Deal found 2/19$1,245
This Booking.com deal was found by Cheapflights users on 2/20. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/127:00 amPUS - ORD
1 stop16h 40mKorean Air
Sun 8/1012:30 pmORD - PUS
1 stop18h 15mKorean Air
Deal found 2/20$1,330
This Delta deal was found by Cheapflights users on 2/20. 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.
Sun 4/64:30 pmPUS - ORD
1 stop31h 10mDelta
Sun 4/139:30 amORD - PUS
2 stops20h 05mDelta
Deal found 2/20$1,387
This Delta deal was found by Cheapflights users on 2/20. 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.
Sun 4/64:30 pmPUS - MDW
2 stops34h 05mDelta
Sun 4/137:09 pmMDW - PUS
2 stops34h 26mDelta
Deal found 2/20$1,393

Find flights from Busan to Illinois within your budget

Customize your flight search to find flights from Busan to Illinois 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 20, 2025.

Fly from

Busan

Fly to

Illinois

Route

Depart

Return

Price

BusanChicago

PUS - ORD

PUSORD

Busan Gimhae

Sun 4/6

11:00 am-8:00 pm

2 stops23h 00m

Chicago O'Hare Intl

Sun 4/13

3:45 pm-8:45 pm

2 stops39h 00m

$1,218

BusanSt. Louis

PUS - STL

PUSSTL

Busan Gimhae

Sun 4/6

10:40 am-2:49 pm

2 stops42h 09m

Lambert-St Louis

Sun 4/13

3:30 pm-8:45 pm

2 stops39h 15m

$1,245

BusanChicago

PUS - ORD

PUSORD

Busan Gimhae

Mon 5/12

7:00 am-9:40 am

1 stop16h 40m

Chicago O'Hare Intl

Sun 8/10

12:30 pm-8:45 pm

1 stop18h 15m

$1,330

BusanChicago

PUS - ORD

PUSORD

Busan Gimhae

Sun 4/6

4:30 pm-9:40 am

1 stop31h 10m

Chicago O'Hare Intl

Sun 4/13

9:30 am-7:35 pm

2 stops20h 05m

$1,387

BusanChicago

PUS - MDW

PUSMDW

Busan Gimhae

Sun 4/6

4:30 pm-12:35 pm

2 stops34h 05m

Chicago Midway

Sun 4/13

7:09 pm-7:35 pm

2 stops34h 26m

$1,393

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Best time to book a flight from Busan to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from Busan 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.

Travel insights for flights from Busan to Illinois

Get recent, data-driven insights about flights from Busan to Illinois including ideal travel times, pricing trends, and more.

Rainfall in Illinois by month

Plan your trip to Illinois by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Illinois ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Illinois when rainfall is around 1.7 in.

Temperature in Illinois by month

Plan your trip to Illinois by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Illinois, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Illinois. Reviews last updated February 20, 2025.
Peruse reviews from past customers who have flown with Korean Air and Delta from Busan to Illinois to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very good
1,037 reviews

Crew

8.7

Food

8.1

Comfort

8.3

Overall

8.4

Boarding

8.5

Entertainment

8.2

Reviews

1 / 20

6.0
Good

Anonymous,Feb 2025

ATL - SBN

Regional jets are small and uncomfortable. When flying in or out of South Bend airport, that's usually what I'm on. It's the price one pays for the great convenience of using a small airport (cheap parking, no lines). The CRJ900 has engines attached to the fuselage near the rear of the plane. So, very loud in the back of the plane, and I happened to have the far back corner that also had no window. Oh well, a short flight and pleasant neighbor and cheerful attendant.

Korean Air
8.4
Very good
1,037 reviews
Korean Air
8.4
Very good
1,037 reviews

Crew

8.7

Food

8.1

Comfort

8.3

Overall

8.4

Boarding

8.5

Entertainment

8.2

Reviews

1 / 20

6.0
Good

Anonymous,Feb 2025

ATL - SBN

Regional jets are small and uncomfortable. When flying in or out of South Bend airport, that's usually what I'm on. It's the price one pays for the great convenience of using a small airport (cheap parking, no lines). The CRJ900 has engines attached to the fuselage near the rear of the plane. So, very loud in the back of the plane, and I happened to have the far back corner that also had no window. Oh well, a short flight and pleasant neighbor and cheerful attendant.

Delta
8.0
Very good
8,220 reviews
Korean Air
8.4
Very good
1,037 reviews

Crew

8.7

Food

8.1

Comfort

8.3

Overall

8.4

Boarding

8.5

Entertainment

8.2

Reviews

1 / 20

6.0
Good

Anonymous,Feb 2025

ATL - SBN

Regional jets are small and uncomfortable. When flying in or out of South Bend airport, that's usually what I'm on. It's the price one pays for the great convenience of using a small airport (cheap parking, no lines). The CRJ900 has engines attached to the fuselage near the rear of the plane. So, very loud in the back of the plane, and I happened to have the far back corner that also had no window. Oh well, a short flight and pleasant neighbor and cheerful attendant.

Related info for your journey

Find useful and relevant information for your journey from Busan to Illinois. 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 from for flights from Busan to Illinois?

    For a flight from Busan to Illinois, you will be flying from Gimhae. Busan Gimhae (PUS) is just 7.2 mi from the center of the city.

  • What are the most popular routes from Busan to Illinois?

    The most popular route from Busan to Illinois is Busan Gimhae - Chicago O'Hare Intl. You may also consider Busan Gimhae - Chicago Midway or Busan Gimhae - Lambert-St Louis.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Busan to Illinois by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Busan to Illinois?

    Currently, August is the cheapest month in which you can book a flight from Busan to Illinois (average of $245). Flying from Busan to Illinois in March is currently the most expensive (average of $321). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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 Busan to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
Incheon Intl to John F Kennedy Intl flights
Incheon Intl to Los Angeles flights
Incheon Intl to Seattle flights
Incheon Intl to Honolulu flights
Incheon Intl to Newark flights
Incheon Intl to Dallas/Fort Worth flights
Incheon Intl to Dulles Intl flights
Incheon Intl to San Francisco flights
Incheon Intl to LaGuardia flights
Gimpo Intl to John F Kennedy Intl flights
Gimpo Intl to Los Angeles flights
Incheon Intl to O'Hare Intl flights
Incheon Intl to Atlanta flights
Incheon Intl to Ontario flights
Gimpo Intl to Honolulu flights
Incheon Intl to Las Vegas flights
Incheon Intl to Boston flights
Gimpo Intl to San Francisco flights
Incheon Intl to Reagan-National flights
Incheon Intl to Midway flights
Incheon Intl to Baltimore flights
Incheon Intl to Santa Ana flights
Gimpo Intl to O'Hare Intl flights
Incheon Intl to San Jose flights
Incheon Intl to Love Field flights
Gimpo Intl to Atlanta flights
Gimpo Intl to Newark flights
Incheon Intl to Detroit flights
Incheon Intl to Minneapolis flights
Incheon Intl to Orlando flights
Incheon Intl to Denver flights
Incheon Intl to Hobby flights
Incheon Intl to Oakland flights
Incheon Intl to Nashville flights
Incheon Intl to Fort Lauderdale flights
Incheon Intl to Tampa flights
Incheon Intl to Portland flights
Incheon Intl to Salt Lake City flights
Incheon Intl to Austin flights
Incheon Intl to Miami flights
Busan to Honolulu flights
Gimpo Intl to Boston flights
Busan to John F Kennedy Intl flights
Incheon Intl to Philadelphia flights
Busan to Hobby 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.