HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Illinois

$359+ Cheap flights from Incheon Intl (ICN) 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 11/19. Fares are subject to change and may not be available on all flights or dates of travel.
ICN — ORD
Oct 28 — Nov 41
Mon 10/28
Mon 11/4
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Edit search

ICN - ORD
Oct 28 - Nov 4

Find cheap flights from Incheon Intl 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.

Find flight deals from Incheon Intl to Illinois

Cheapest flights from Incheon Intl to Illinois
Explore the most affordable flight options available from Incheon Intl to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 23, 2024.

This United Airlines deal was found by Cheapflights users on 10/22. 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 11/1812:45 pmICN - ORD
2 stops19h 11mUnited Airlines
Mon 12/93:55 pmORD - ICN
2 stops33h 20mUnited Airlines
Deal found 10/22$657
This Air Canada deal was found by Cheapflights users on 10/22. 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 10/229:40 pmICN - ORD
2 stops36h 20mMultiple Airlines
Tue 2/253:40 pmORD - ICN
1 stop32h 35mMultiple Airlines
Deal found 10/22$729
This American Airlines deal was found by Cheapflights users on 10/22. 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.
Tue 11/196:50 pmICN - ORD
2 stops27h 19mAmerican Airlines
Tue 11/268:59 pmORD - ICN
2 stops28h 46mAmerican Airlines
Deal found 10/22$733
This WhyPayMore deal was found by Cheapflights users on 10/23. 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 WhyPayMore is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/46:20 pmICN - ORD
2 stops40h 35mAir Canada
Thu 11/1411:35 amORD - ICN
2 stops38h 10mAir Canada
Deal found 10/23$790
This WhyPayMore deal was found by Cheapflights users on 10/23. 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 WhyPayMore is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/228:10 pmICN - STL
1 stop33h 56mAir Canada
Sat 11/303:50 pmSTL - ICN
2 stops33h 55mAir Canada
Deal found 10/23$867
This Delta deal was found by Cheapflights users on 10/23. 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.
Fri 11/227:30 pmICN - STL
1 stop17h 25mDelta
Sat 11/302:00 pmSTL - ICN
1 stop35h 30mDelta
Deal found 10/23$882
This Trip.com deal was found by Cheapflights users on 10/22. 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 11/188:50 pmICN - MDW
2 stops34h 00mMultiple Airlines
Mon 12/97:15 amMDW - ICN
2 stops31h 15mMultiple Airlines
Deal found 10/22$895
This American Airlines deal was found by Cheapflights users on 10/23. 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.
Sat 11/236:50 pmICN - STL
1 stop18h 48mAmerican Airlines
Sun 12/15:17 amSTL - ICN
1 stop20h 28mAmerican Airlines
Deal found 10/23$912
This Gotogate deal was found by Cheapflights users on 10/23. 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.
Tue 12/2412:35 pmICN - ORD
1 stop46h 25mLOT
Tue 12/319:55 pmORD - ICN
1 stop42h 15mLOT
Deal found 10/23$937
This United Airlines deal was found by Cheapflights users on 10/23. 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.
Sat 11/236:00 pmICN - STL
2 stops20h 30mUnited Airlines
Sun 12/19:44 pmSTL - ICN
2 stops27h 31mUnited Airlines
Deal found 10/23$950
This Delta deal was found by Cheapflights users on 10/23. 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.
Thu 11/147:30 pmICN - MDW
1 stop28h 21mDelta
Sat 11/232:17 pmMDW - ICN
1 stop34h 13mDelta
Deal found 10/23$1,220
This United Airlines deal was found by Cheapflights users on 10/22. 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 12/2312:45 pmICN - MLI
2 stops23h 48mUnited Airlines
Thu 1/236:30 amMLI - ICN
2 stops32h 10mUnited Airlines
Deal found 10/22$1,397

Find flights from Incheon Intl to Illinois within your budget

Customize your flight search to find flights from Incheon Intl 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 2,464,459 searches. Data last updated October 23, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$657 - $2,079

Route

Depart

Return

Price

Incheon IntlChicago O'Hare Intl

ICN - ORD

ICNORD

Incheon Intl

Mon 11/18

1 stop25h 27m

Chicago O'Hare Intl

Mon 12/9

2 stops33h 20m

$657

Incheon IntlChicago O'Hare Intl

ICN - ORD

ICNORD

Incheon Intl

Tue 11/19

2 stops27h 19m

Chicago O'Hare Intl

Tue 11/26

1 stop19h 45m

$733

Incheon IntlChicago O'Hare Intl

ICN - ORD

ICNORD

Incheon Intl

Wed 11/6

2 stops28h 55m

Chicago O'Hare Intl

Wed 11/13

3 stops31h 39m

$757

Incheon IntlChicago O'Hare Intl

ICN - ORD

ICNORD

Incheon Intl

Mon 11/4

2 stops40h 35m

Chicago O'Hare Intl

Thu 11/14

1 stop34h 05m

$790

Incheon IntlLambert-St Louis

ICN - STL

ICNSTL

Incheon Intl

Fri 11/22

1 stop33h 56m

Lambert-St Louis

Sat 11/30

2 stops33h 55m

$867

Incheon IntlLambert-St Louis

ICN - STL

ICNSTL

Incheon Intl

Fri 11/22

1 stop17h 25m

Lambert-St Louis

Sat 11/30

1 stop35h 30m

$882

Incheon IntlChicago Midway

ICN - MDW

ICNMDW

Incheon Intl

Mon 11/18

2 stops34h 00m

Chicago Midway

Mon 12/9

2 stops31h 15m

$895

Incheon IntlLambert-St Louis

ICN - STL

ICNSTL

Incheon Intl

Mon 3/3

1 stop15h 56m

Lambert-St Louis

Wed 4/30

1 stop17h 45m

$897

Incheon IntlLambert-St Louis

ICN - STL

ICNSTL

Incheon Intl

Sat 11/23

1 stop18h 48m

Lambert-St Louis

Sun 12/1

1 stop20h 28m

$912

Incheon IntlChicago O'Hare Intl

ICN - ORD

ICNORD

Incheon Intl

Tue 12/24

1 stop46h 25m

Chicago O'Hare Intl

Tue 12/31

1 stop42h 15m

$937

Incheon IntlChicago Midway

ICN - MDW

ICNMDW

Incheon Intl

Thu 2/27

1 stop17h 58m

Chicago Midway

Sun 3/9

1 stop17h 00m

$1,594

Incheon IntlLambert-St Louis

ICN - STL

ICNSTL

Incheon Intl

Sun 3/2

2 stops38h 39m

Lambert-St Louis

Wed 4/30

2 stops30h 13m

$2,079

Flights are sorted by cheapest first

Deals found on 10/22

Best time to book a flight from Incheon Intl to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from Incheon Intl 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 Incheon Intl to Illinois

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

What is the cheapest month to book a flight from Incheon Intl Airport to Illinois?

Currently, September is the cheapest month in which you can book a flight from Incheon Intl Airport to Illinois (average of $232). Flying from Incheon Intl Airport 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 ICN to IL?

Find hourly flight availability from Incheon Intl 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 October 23, 2024.

When flying from Incheon Intl Airport to Illinois, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 October 23, 2024.
Peruse reviews from past customers who have flown with United Airlines, American Airlines and Air Canada from Seoul to Illinois to help guide your decision. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.5
Very good
1,044 reviews

Overall

8.5

Comfort

8.3

Entertainment

8.2

Boarding

8.5

Crew

8.8

Food

8.1

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
1,044 reviews
Korean Air
8.5
Very good
1,044 reviews

Overall

8.5

Comfort

8.3

Entertainment

8.2

Boarding

8.5

Crew

8.8

Food

8.1

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!

Delta
8.0
Very good
8,885 reviews
Korean Air
8.5
Very good
1,044 reviews

Overall

8.5

Comfort

8.3

Entertainment

8.2

Boarding

8.5

Crew

8.8

Food

8.1

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!

KLM
7.8
Good
1,354 reviews
Korean Air
8.5
Very good
1,044 reviews

Overall

8.5

Comfort

8.3

Entertainment

8.2

Boarding

8.5

Crew

8.8

Food

8.1

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!

LOT
7.6
Good
1,206 reviews
Korean Air
8.5
Very good
1,044 reviews

Overall

8.5

Comfort

8.3

Entertainment

8.2

Boarding

8.5

Crew

8.8

Food

8.1

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!

Qatar Airways
7.5
Good
3,914 reviews
Korean Air
8.5
Very good
1,044 reviews

Overall

8.5

Comfort

8.3

Entertainment

8.2

Boarding

8.5

Crew

8.8

Food

8.1

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 Incheon Intl 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 Incheon Intl Airport to Illinois for under $700 on Cheapflights?

    Yes, there are multiple flights from Incheon Intl Airport to Illinois for under $700. The cheapest flight booked recently is on United Airlines for just $657, but on average you can expect to pay $1,322.

  • Are there nonstop flights from Incheon Intl Airport to Illinois for under $1,200 on Cheapflights?

    Cheapflights has at least 2 direct flights from Incheon Intl Airport to Illinois under $1,200. A good price for a nonstop flight from Incheon Intl Airport to Illinois is less than $1,195.

  • Are there last-minute flights available from Incheon Intl Airport to Illinois for under $800?

    There are currently 17+ open flights from Incheon Intl Airport to Illinois within the next 7 days for less than $800.

  • What are the cheapest airlines to fly from Incheon Intl Airport to Illinois one-way?

    The cheapest airline one-way is American Airlines, with whom users have recently found tickets for as low as $459. However, be on the lookout for offers from Delta and Air Canada, as they are both options that can get you from Incheon Intl Airport to Illinois for a low price.

  • What are the most popular routes from Incheon Intl Airport to Illinois?

    While some choose either Incheon Intl - Chicago Midway or Incheon Intl - Dubuque, Incheon Intl - Chicago O'Hare Intl is the most popular route from Incheon Intl Airport to Illinois.

  • What are the cheapest flights from Incheon Intl Airport to Illinois?

    The cheapest flight price from Incheon Intl Airport to Illinois is $1,166. On average you can expect to pay $2,563. The most popular route, (Incheon Intl - Chicago O'Hare Intl), can usually be booked for $657.

  • What does ICN to ORD mean?

    This is defined as Incheon Intl Airport (ICN) and Chicago O'Hare Intl Airport (ORD). Codes like Chicago O'Hare Intl Airport are often used to just call airports uniquely. Chicago Midway Airport (MDW), Moline Quad-City Airport (MLI), Greater Peoria Airport (PIA), Bloomington-Normal Airport (BMI), Champaign University-Willard Airport (CMI) are other airports near this flight route and their unique identifiers/IATA codes.

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

    The amount of baggage you can bring on your Incheon Intl 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 Incheon Intl to Illinois with specific airlines?

    Yes, Cheapflights allows you to browse and filter Incheon Intl 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 Incheon Intl to Illinois that include hotel bookings?

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

  • How can I find direct flights from Incheon Intl to Illinois?

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

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

    Yes. Cheapflights offers flight deals from Incheon Intl 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 Incheon Intl to Illinois that allow pets onboard?

    Many airlines flying from Incheon Intl 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 Incheon Intl to Illinois?

    Yes, you can often find last-minute deals on Incheon Intl 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 Incheon Intl Airport to Illinois flight deals updated?

    The Incheon Intl Airport to Illinois flight deals you see on this page were last updated on 10/23.

  • What is the cheapest month to book a flight from Incheon Intl Airport to Illinois?

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

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 Incheon Intl to Illinois
See prices for flight routes from nearby airports that may be better suited for you.

Incheon Intl to Los Angeles flights
Incheon Intl to John F Kennedy Intl flights
Incheon Intl to Honolulu flights
Incheon Intl to San Francisco flights
Incheon Intl to Las Vegas flights
Incheon Intl to Dulles Intl flights
Gimpo Intl to Los Angeles flights
Incheon Intl to LaGuardia flights
Incheon Intl to Ontario flights
Gimpo Intl to Honolulu flights
Incheon Intl to O'Hare Intl flights
Incheon Intl to Newark flights
Gimpo Intl to John F Kennedy Intl flights
Incheon Intl to Seattle flights
Incheon Intl to Atlanta flights
Incheon Intl to Dallas/Fort Worth flights
Gimpo Intl to San Francisco flights
Incheon Intl to Reagan-National flights
Gimpo Intl to Newark flights
Incheon Intl to Boston flights
Incheon Intl to Hobby flights
Incheon Intl to Orlando flights
Incheon Intl to San Diego flights
Incheon Intl to Baltimore flights
Incheon Intl to Sky Harbor Intl flights
Gimpo Intl to O'Hare Intl flights
Gimpo Intl to San Diego flights
Incheon Intl to Detroit flights
Incheon Intl to Santa Ana flights
Incheon Intl to Philadelphia flights
Incheon Intl to George Bush Intcntl flights
Incheon Intl to Denver flights
Incheon Intl to Midway flights
Incheon Intl to Love Field flights
Incheon Intl to Burbank flights
Incheon Intl to Minneapolis flights
Incheon Intl to Portland flights
Incheon Intl to San Jose flights
Incheon Intl to Raleigh flights
Incheon Intl to Miami flights
Gimpo Intl to Atlanta flights
Incheon Intl to Richmond flights

Top 4 airlines flying from Incheon Intl to Illinois

Discover the top 4 airlines that operate flights from Incheon Intl 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 2,464,459 searches. Data last updated October 23, 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
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.
View all available airlines