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$560+ Cheap flights from Incheon Intl (ICN) 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 2/5. Fares are subject to change and may not be available on all flights or dates of travel.
ICN — ORD
Dec 24 — Dec 311
Tue 12/24
Tue 12/31
1 adult, Economy
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Cheap flight deals from Incheon Intl to Illinois

Discover tips and strategies to find the most affordable flight options for your journey from Incheon Intl (ICN) 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 19, 2024.

Round-trip from

$560
(American Airlines)
From Incheon Intl to Illinois
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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 December 19, 2024.

This American Airlines deal was found by Cheapflights users on 12/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/246:50 pmICN - ORD
2 stops25h 26mAmerican Airlines
Wed 1/156:30 amORD - ICN
1 stop19h 15mAmerican Airlines
Deal found 12/19$755
This Gotogate deal was found by Cheapflights users on 12/18. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/218:10 pmICN - ORD
1 stop27h 47mAir Canada
Sun 1/198:30 pmORD - ICN
1 stop30h 55mAir Canada
Deal found 12/18$966
This United Airlines deal was found by Cheapflights users on 12/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2312:45 pmICN - ORD
1 stop27h 26mUnited Airlines
Mon 1/61:10 pmORD - ICN
1 stop31h 25mUnited Airlines
Deal found 12/19$1,042
This Kiwi.com deal was found by Cheapflights users on 12/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/256:55 pmICN - ORD
2 stops19h 51mMultiple Airlines
Wed 1/81:24 pmORD - ICN
1 stop25h 16mMultiple Airlines
Deal found 12/19$1,107
This Gotogate deal was found by Cheapflights users on 12/19. 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.
Mon 12/2311:40 amICN - ORD
1 stop22h 55mEVA Air
Fri 1/3111:30 pmORD - ICN
1 stop20h 00mEVA Air
Deal found 12/19$1,197
This Mytrip deal was found by Cheapflights users on 12/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/242:40 pmICN - ORD
1 stop24h 19mAsiana Airlines
Sun 10/57:15 amORD - ICN
1 stop20h 20mAsiana Airlines
Deal found 12/19$1,261
This Gotogate deal was found by Cheapflights users on 12/19. 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.
Wed 12/2510:40 amICN - ORD
Nonstop12h 50mKorean Air
Wed 1/111:25 amORD - ICN
Nonstop14h 50mKorean Air
Deal found 12/19$1,280
This Delta deal was found by Cheapflights users on 12/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/258:05 pmICN - ORD
2 stops17h 47mDelta
Tue 1/217:15 amORD - ICN
1 stop18h 00mDelta
Deal found 12/19$1,330
This Gotogate deal was found by Cheapflights users on 12/18. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/259:20 amICN - ORD
2 stops49h 40mLOT
Sun 1/269:55 pmORD - ICN
2 stops42h 45mLOT
Deal found 12/18$1,335
This Delta deal was found by Cheapflights users on 12/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/217:30 pmICN - MDW
1 stop30h 38mDelta
Sat 12/285:04 pmMDW - ICN
1 stop31h 26mDelta
Deal found 12/19$1,382
This Gotogate deal was found by Cheapflights users on 12/18. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1812:20 amICN - ORD
1 stop47h 05mEtihad Airways
Tue 12/241:10 pmORD - ICN
1 stop31h 05mEtihad Airways
Deal found 12/18$1,401
This Korean Air deal was found by Cheapflights users on 12/19. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/247:25 pmICN - MDW
1 stop17h 41mKorean Air
Sun 10/59:20 amMDW - ICN
1 stop18h 00mKorean Air
Deal found 12/19$1,952

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 2,558,603 searches. Data last updated December 19, 2024.

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Depart

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Price

IncheonChampaign

ICN - CMI

ICNCMI

Incheon Intl

Wed 2/5

6:50 pm-8:39 pm

1 stop16h 49m

Champaign University-Willard

Wed 2/19

12:27 pm-4:45 pm

2 stops37h 18m

$560

IncheonChicago

ICN - ORD

ICNORD

Incheon Intl

Wed 2/19

12:45 pm-7:45 am

2 stops34h 00m

Chicago O'Hare Intl

Thu 2/20

6:35 pm-4:15 pm

2 stops30h 40m

$724

IncheonChicago

ICN - ORD

ICNORD

Incheon Intl

Tue 3/11

5:50 pm-9:07 pm

1 stop17h 17m

Chicago O'Hare Intl

Tue 3/18

6:00 am-3:55 pm

1 stop19h 55m

$765

IncheonSt. Louis

ICN - STL

ICNSTL

Incheon Intl

Fri 4/11

11:30 am-10:09 pm

2 stops24h 39m

Lambert-St Louis

Fri 4/25

8:40 am-4:20 am

2 stops29h 40m

$831

IncheonChicago

ICN - ORD

ICNORD

Incheon Intl

Thu 4/24

5:45 pm-12:31 pm

1 stop32h 46m

Chicago O'Hare Intl

Thu 5/1

3:40 pm-4:05 pm

1 stop34h 25m

$864

IncheonChicago

ICN - ORD

ICNORD

Incheon Intl

Thu 2/27

12:35 pm-8:00 pm

1 stop46h 25m

Chicago O'Hare Intl

Fri 3/14

10:55 pm-7:40 am

1 stop42h 45m

$903

IncheonChicago

ICN - ORD

ICNORD

Incheon Intl

Mon 1/27

1:05 pm-5:55 am

2 stops55h 50m

Chicago O'Hare Intl

Sun 2/2

6:55 pm-8:30 pm

1 stop34h 35m

$970

IncheonSt. Louis

ICN - STL

ICNSTL

Incheon Intl

Thu 4/10

7:05 pm-2:59 pm

1 stop33h 54m

Lambert-St Louis

Sat 4/26

3:50 pm-5:30 pm

1 stop35h 40m

$984

IncheonChicago

ICN - ORD

ICNORD

Incheon Intl

Fri 4/11

12:00 pm-9:00 pm

1 stop23h 00m

Chicago O'Hare Intl

Tue 4/15

12:30 am-11:00 am

1 stop20h 30m

$1,031

IncheonChicago

ICN - MDW

ICNMDW

Incheon Intl

Thu 4/24

6:40 pm-8:39 am

1 stop27h 59m

Chicago Midway

Wed 4/30

9:20 am-5:20 pm

1 stop18h 00m

$1,191

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/19

Showing 1-10 of 43 results
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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 December 19, 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.

Weekly flight availability from Incheon Intl Airport to Illinois

Explore weekly flight availability from Incheon Intl 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 December 19, 2024.

The most flights from ICN 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 December 19, 2024.
Peruse reviews from past customers who have flown with United Airlines, LOT and EVA Air 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.
EVA Air
8.4
Very good
1,272 reviews

Comfort

8.2

Boarding

8.4

Crew

8.6

Entertainment

8.0

Food

8.0

Overall

8.4

Reviews

1 / 10

The food was HORRIBLE, the flight crew looked as though they’d rather be getting a root canal, and the bathrooms were disgusting.

EVA Air
8.4
Very good
1,272 reviews
EVA Air
8.4
Very good
1,272 reviews

Comfort

8.2

Boarding

8.4

Crew

8.6

Entertainment

8.0

Food

8.0

Overall

8.4

Reviews

1 / 10

The food was HORRIBLE, the flight crew looked as though they’d rather be getting a root canal, and the bathrooms were disgusting.

Korean Air
8.4
Very good
1,021 reviews
EVA Air
8.4
Very good
1,272 reviews

Comfort

8.2

Boarding

8.4

Crew

8.6

Entertainment

8.0

Food

8.0

Overall

8.4

Reviews

1 / 10

The food was HORRIBLE, the flight crew looked as though they’d rather be getting a root canal, and the bathrooms were disgusting.

Japan Airlines
8.3
Very good
1,442 reviews
EVA Air
8.4
Very good
1,272 reviews

Comfort

8.2

Boarding

8.4

Crew

8.6

Entertainment

8.0

Food

8.0

Overall

8.4

Reviews

1 / 10

The food was HORRIBLE, the flight crew looked as though they’d rather be getting a root canal, and the bathrooms were disgusting.

Asiana Airlines
8.3
Very good
477 reviews
EVA Air
8.4
Very good
1,272 reviews

Comfort

8.2

Boarding

8.4

Crew

8.6

Entertainment

8.0

Food

8.0

Overall

8.4

Reviews

1 / 10

The food was HORRIBLE, the flight crew looked as though they’d rather be getting a root canal, and the bathrooms were disgusting.

Singapore Airlines
8.1
Very good
1,331 reviews
EVA Air
8.4
Very good
1,272 reviews

Comfort

8.2

Boarding

8.4

Crew

8.6

Entertainment

8.0

Food

8.0

Overall

8.4

Reviews

1 / 10

The food was HORRIBLE, the flight crew looked as though they’d rather be getting a root canal, and the bathrooms were disgusting.

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.

  • 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 $572. However, be on the lookout for offers from Cathay Pacific 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 - Lambert-St Louis, 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 $849. On average you can expect to pay $1,329. The most popular route, (Incheon Intl - Chicago O'Hare Intl), can usually be booked for $940.

  • 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.

  • 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.

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Alternative routes for Incheon Intl to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
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Gimpo Intl to O'Hare Intl flights
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Incheon Intl to Oakland flights
Incheon Intl to Love Field flights
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Gimpo Intl to Kailua-Kona flights
Incheon Intl to Sky Harbor Intl flights
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Incheon Intl to Columbus flights
Gimpo Intl to Boston flights
Incheon Intl to Kahului flights
Incheon Intl to Portland flights

Top 5 airlines flying from Incheon Intl to Illinois

Discover the top 5 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 2,558,603 searches. Data last updated December 19, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$697Average$992FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$820Average$1,038FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$1,089Average$1,481FlexibilityNo cancel feeOn-time69%
Korean AirCheapest$1,194Average$1,492FlexibilityNo cancel feeOn-time81%
DeltaCheapest$1,269Average$1,532FlexibilityNo cancel feeOn-timeN/A
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