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$362+ Cheap flights from South Korea 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 1/28. Fares are subject to change and may not be available on all flights or dates of travel.
ICN — ORD
Nov 10 — Nov 171
Sun 11/10
Sun 11/17
1 adult, Economy
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Find flight deals from South Korea to Illinois

Cheapest flights from South Korea to Illinois
Explore the most affordable flight options available from South Korea to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 5, 2024.

This United Airlines deal was found by Cheapflights users on 11/4. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/2512:45 pmICN - ORD
1 stop38h 52mUnited Airlines
Thu 11/282:00 pmORD - ICN
2 stops35h 15mUnited Airlines
Deal found 11/4$571
This American Airlines deal was found by Cheapflights users on 11/4. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/256:50 pmICN - ORD
1 stop29h 35mAmerican Airlines
Tue 12/318:57 pmORD - ICN
2 stops28h 48mAmerican Airlines
Deal found 11/4$766
This Trip.com deal was found by Cheapflights users on 11/4. 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.
Mon 11/186:55 pmICN - ORD
2 stops20h 04mMultiple Airlines
Mon 11/256:00 amORD - ICN
2 stops23h 30mMultiple Airlines
Deal found 11/4$782
This Air Canada deal was found by Cheapflights users on 11/4. 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.
Fri 11/86:20 pmICN - ORD
1 stop35h 19mAir Canada
Sun 11/103:40 pmORD - ICN
1 stop34h 05mAir Canada
Deal found 11/4$834
This Trip.com deal was found by Cheapflights users on 11/4. 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 12/44:50 pmICN - MDW
2 stops33h 58mMultiple Airlines
Mon 12/97:15 amMDW - ICN
2 stops31h 15mMultiple Airlines
Deal found 11/4$837
This Air Canada deal was found by Cheapflights users on 11/5. 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.
Tue 11/128:10 pmICN - STL
1 stop33h 56mAir Canada
Tue 11/193:50 pmSTL - ICN
2 stops33h 55mAir Canada
Deal found 11/5$894
This FlightHub deal was found by Cheapflights users on 11/4. 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.
Mon 11/1812:05 pmGMP - ORD
1 stop34h 20mJapan Airlines
Mon 11/2510:20 amORD - GMP
1 stop21h 00mJapan Airlines
Deal found 11/4$915
This Cheapflightsfares deal was found by Cheapflights users on 11/4. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/97:50 pmGMP - ORD
2 stops33h 29mANA
Mon 2/174:25 pmORD - GMP
1 stop27h 55mANA
Deal found 11/4$945
This Korean Air deal was found by Cheapflights users on 11/4. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/127:30 pmICN - STL
1 stop17h 25mKorean Air
Sun 11/176:00 amSTL - ICN
1 stop18h 30mKorean Air
Deal found 11/4$946
This United Airlines deal was found by Cheapflights users on 11/5. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/126:00 pmICN - STL
2 stops20h 30mUnited Airlines
Tue 11/191:39 pmSTL - ICN
2 stops25h 01mUnited Airlines
Deal found 11/5$967
This American Airlines deal was found by Cheapflights users on 11/5. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/512:05 pmGMP - ORD
2 stops20h 23mMultiple Airlines
Mon 12/910:00 amORD - GMP
2 stops21h 20mMultiple Airlines
Deal found 11/5$1,155
This American Airlines deal was found by Cheapflights users on 11/5. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/206:50 pmICN - STL
1 stop29h 02mAmerican Airlines
Fri 12/277:04 amSTL - ICN
1 stop18h 41mAmerican Airlines
Deal found 11/5$1,204

Find flights from South Korea to Illinois within your budget

Customize your flight search to find flights from South Korea 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 2,554,862 searches. Data last updated November 5, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

IncheonMoline

ICN - MLI

ICNMLI

Incheon Intl

Tue 1/28

6:50 pm-10:53 am

2 stops31h 03m

$362

IncheonChicago

ICN - MDW

ICNMDW

Incheon Intl

Mon 12/9

6:55 pm-11:42 am

2 stops31h 47m

$401

IncheonChicago

ICN - ORD

ICNORD

Incheon Intl

Mon 11/11

6:20 pm-2:39 pm

1 stop35h 19m

$603

SeoulChicago

GMP - ORD

GMPORD

Seoul Gimpo Intl

Wed 2/12

12:05 pm-7:35 am

1 stop34h 30m

$628

IncheonChicago

ICN - ORD

ICNORD

Incheon Intl

Mon 11/11

3:00 pm-1:00 pm

1 stop37h 00m

$642

IncheonChicago

ICN - ORD

ICNORD

Incheon Intl

Thu 4/3

7:45 pm-9:00 pm

1 stop39h 15m

$694

IncheonChicago

ICN - ORD

ICNORD

Incheon Intl

Sat 4/5

9:40 pm-3:56 pm

1 stop32h 16m

$722

IncheonSt. Louis

ICN - STL

ICNSTL

Incheon Intl

Wed 12/11

6:55 pm-7:34 pm

2 stops39h 39m

$415

IncheonChicago

ICN - ORD

ICNORD

Incheon Intl

Mon 12/9

6:55 pm-5:30 am

2 stops25h 35m

$427

IncheonChicago

ICN - ORD

ICNORD

Incheon Intl

Fri 12/6

6:50 pm-1:14 pm

1 stop33h 24m

$478

Flights are sorted by cheapest first

Deals found on 11/4

Showing 1-10 of 60 results
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Best time to book a flight from South Korea to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from South Korea 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 South Korea to Illinois

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

What is the cheapest month to book a flight from South Korea to Illinois?

Currently, September is the cheapest month in which you can book a flight from South Korea to Illinois (average of $232). Flying from South Korea 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.

What is the cheapest time of day to fly from KR to IL?

Find hourly flight availability from South Korea to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 5, 2024.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from South Korea to Illinois as you normally would.

Weekly flight availability from South Korea to Illinois

Explore weekly flight availability from South Korea to Illinois. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated November 5, 2024.

The most flights from KR0 to USIL are scheduled on a Monday (2 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (2 on average).

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 November 5, 2024.
Read through reviews of airlines operating flights from South Korea to Illinois, such as United Airlines, Air Canada and Japan Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.5
Very good
1,036 reviews

Boarding

8.5

Overall

8.5

Food

8.1

Comfort

8.3

Entertainment

8.2

Crew

8.7

Reviews

1 / 10

I like the crews’ services, especially for sr citizens who were on wheelchairs, the efficient pilots with their smooth landing of the plane back and forth, cleanliness of the restrooms and other amenities provided to the passengers! Flights were on time it’s fine with a little bit delay but we arrived on time!

Korean Air
8.5
Very good
1,036 reviews
Korean Air
8.5
Very good
1,036 reviews

Boarding

8.5

Overall

8.5

Food

8.1

Comfort

8.3

Entertainment

8.2

Crew

8.7

Reviews

1 / 10

I like the crews’ services, especially for sr citizens who were on wheelchairs, the efficient pilots with their smooth landing of the plane back and forth, cleanliness of the restrooms and other amenities provided to the passengers! Flights were on time it’s fine with a little bit delay but we arrived on time!

EVA Air
8.4
Very good
1,326 reviews
Korean Air
8.5
Very good
1,036 reviews

Boarding

8.5

Overall

8.5

Food

8.1

Comfort

8.3

Entertainment

8.2

Crew

8.7

Reviews

1 / 10

I like the crews’ services, especially for sr citizens who were on wheelchairs, the efficient pilots with their smooth landing of the plane back and forth, cleanliness of the restrooms and other amenities provided to the passengers! Flights were on time it’s fine with a little bit delay but we arrived on time!

ANA
8.4
Very good
833 reviews
Korean Air
8.5
Very good
1,036 reviews

Boarding

8.5

Overall

8.5

Food

8.1

Comfort

8.3

Entertainment

8.2

Crew

8.7

Reviews

1 / 10

I like the crews’ services, especially for sr citizens who were on wheelchairs, the efficient pilots with their smooth landing of the plane back and forth, cleanliness of the restrooms and other amenities provided to the passengers! Flights were on time it’s fine with a little bit delay but we arrived on time!

Japan Airlines
8.3
Very good
1,457 reviews
Korean Air
8.5
Very good
1,036 reviews

Boarding

8.5

Overall

8.5

Food

8.1

Comfort

8.3

Entertainment

8.2

Crew

8.7

Reviews

1 / 10

I like the crews’ services, especially for sr citizens who were on wheelchairs, the efficient pilots with their smooth landing of the plane back and forth, cleanliness of the restrooms and other amenities provided to the passengers! Flights were on time it’s fine with a little bit delay but we arrived on time!

Emirates
8.1
Very good
3,534 reviews
Korean Air
8.5
Very good
1,036 reviews

Boarding

8.5

Overall

8.5

Food

8.1

Comfort

8.3

Entertainment

8.2

Crew

8.7

Reviews

1 / 10

I like the crews’ services, especially for sr citizens who were on wheelchairs, the efficient pilots with their smooth landing of the plane back and forth, cleanliness of the restrooms and other amenities provided to the passengers! Flights were on time it’s fine with a little bit delay but we arrived on time!

Related info for your journey

Find useful and relevant information for your journey from South Korea to Illinois. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find flights from South Korea to Illinois for under $600 on Cheapflights?

    Yes, there are multiple flights from South Korea to Illinois for under $600. The cheapest flight booked recently is on United Airlines for just $571, but on average you can expect to pay $1,082.

  • Are there nonstop flights from South Korea to Illinois for under $1,200 on Cheapflights?

    Cheapflights has at least 2 direct flights from South Korea to Illinois under $1,200. A good price for a nonstop flight from South Korea to Illinois is less than $1,222.

  • Are there last-minute flights available from South Korea to Illinois for under $700?

    There are currently 18+ open flights from South Korea to Illinois within the next 7 days for less than $700.

  • What are the cheapest airlines to fly from South Korea to Illinois one-way?

    $362 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on Air Canada and Japan Airlines, with prices starting from $603 and $628, respectively.

  • What does ICN to ORD mean?

    Great question - ICN to ORD just means Incheon Intl Airport to Chicago O'Hare Intl Airport. Now you’ll know what these unique codes when you look for flights! Chicago Midway Airport (MDW), Moline Quad-City Airport (MLI), Greater Peoria Airport (PIA), Bloomington-Normal Airport (BMI), Champaign University-Willard Airport (CMI) are some additional IATA codes for airports related to your trip.

  • Can I find deals for flights from South Korea to Illinois that include extra baggage allowance?

    The amount of baggage you can bring on your South Korea to Illinois flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from South Korea to Illinois with specific airlines?

    Yes, Cheapflights allows you to browse and filter South Korea to Illinois flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

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

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

  • How can I find direct flights from South Korea to Illinois?

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

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

    Yes. Cheapflights offers flight deals from South Korea 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.

  • Can I find deals for flights from South Korea to Illinois that allow pets onboard?

    Many airlines flying from South Korea to Illinois offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from South Korea to Illinois?

    Yes, you can often find last-minute deals on South Korea to Illinois flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the South Korea to Illinois flight deals updated?

    The South Korea to Illinois flight deals you see on this page were last updated on 11/5.

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

    Currently, September is the cheapest month in which you can book a flight from South Korea to Illinois (average of $232). Flying from South Korea 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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Alternative routes for South Korea to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from South Korea to Illinois

Discover the top 4 airlines that operate flights from South Korea to Illinois. 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 2,554,862 searches. Data last updated November 5, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$697Average$992FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$1,089Average$1,481FlexibilityNo cancel feeOn-time69%
Korean AirCheapest$1,177Average$1,545FlexibilityNo cancel feeOn-time81%
DeltaCheapest$1,314Average$1,621FlexibilityNo cancel feeOn-timeN/A
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