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$742+ Cheap flights from Busan (PUS) to Illinois

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 1/31. Fares are subject to change and may not be available on all flights or dates of travel.
PUS — ORD
Dec 23 — Dec 301
Mon 12/23
Mon 12/30
1 adult, Economy
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Cheap flight deals from Busan to Illinois

Discover tips and strategies to find the most affordable flight options for your journey from Busan (PUS) to Illinois (USIL). 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 December 18, 2024.

Round-trip from

$1,115
(Gotogate)

One-way from

$742
(Gotogate)
From Busan Gimhae to Illinois
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One-way flight from Busan Gimhae to Illinois
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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 December 18, 2024.

This Gotogate deal was found by Cheapflights users on 12/17. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/277:20 pmPUS - ORD
1 stop28h 10mKorean Air
Thu 1/211:25 amORD - PUS
1 stop34h 05mKorean Air
Deal found 12/17$1,641

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 December 18, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

BusanSt. Louis

PUS - STL

PUSSTL

Busan Gimhae

Fri 1/31

11:05 am-3:06 pm

2 stops43h 01m

Lambert-St Louis

Fri 2/7

3:50 pm-8:10 am

2 stops49h 20m

$1,115

BusanChicago

PUS - ORD

PUSORD

Busan Gimhae

Sat 2/1

8:00 am-7:20 am

2 stops38h 20m

Chicago O'Hare Intl

Sat 2/8

4:25 pm-7:55 pm

2 stops36h 30m

$1,191

BusanChicago

PUS - ORD

PUSORD

Busan Gimhae

Fri 1/31

7:55 am-8:40 am

1 stop15h 45m

Chicago O'Hare Intl

Fri 2/7

11:25 am-8:45 pm

1 stop18h 20m

$1,333

BusanChicago

PUS - MDW

PUSMDW

Busan Gimhae

Sat 2/1

4:10 pm-9:39 am

2 stops32h 29m

Chicago Midway

Sat 2/8

6:59 pm-8:45 pm

2 stops34h 46m

$1,355

BusanChicago

PUS - ORD

PUSORD

Busan Gimhae

Fri 1/31

7:00 am-12:11 am

2 stops32h 11m

Chicago O'Hare Intl

Fri 2/7

7:15 am-8:45 pm

2 stops22h 30m

$1,356

BusanSt. Louis

PUS - STL

PUSSTL

Busan Gimhae

Sun 1/19

4:10 pm-11:38 pm

2 stops22h 28m

Lambert-St Louis

Fri 1/24

6:00 am-8:45 pm

2 stops23h 45m

$2,005

BusanChicago

PUS - ORD

PUSORD

Busan Gimhae

Fri 1/31

4:10 pm-10:13 pm

2 stops21h 03m

$742

BusanChicago

PUS - ORD

PUSORD

Busan Gimhae

Wed 12/25

4:10 pm-11:52 am

2 stops34h 42m

$1,130

BusanChicago

PUS - MDW

PUSMDW

Busan Gimhae

Wed 12/25

4:10 pm-11:08 am

2 stops33h 58m

$1,130

BusanChicago

PUS - ORD

PUSORD

Busan Gimhae

Fri 1/31

7:55 am-8:40 am

1 stop15h 45m

$1,134

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

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 December 18, 2024.
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
1,018 reviews

Crew

8.7

Overall

8.4

Comfort

8.3

Food

8.1

Boarding

8.5

Entertainment

8.2

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Korean Air
8.4
Very good
1,018 reviews
Korean Air
8.4
Very good
1,018 reviews

Crew

8.7

Overall

8.4

Comfort

8.3

Food

8.1

Boarding

8.5

Entertainment

8.2

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Delta
8.0
Very good
8,604 reviews
Korean Air
8.4
Very good
1,018 reviews

Crew

8.7

Overall

8.4

Comfort

8.3

Food

8.1

Boarding

8.5

Entertainment

8.2

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

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 Midway. You may also consider Busan Gimhae - Chicago O'Hare Intl 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, September is the cheapest month in which you can book a flight from Busan to Illinois (average of $232). Flying from Busan to Illinois in June is currently the most expensive (average of $308). 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

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