$433+ 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 3/18. Fares are subject to change and may not be available on all flights or dates of travel.
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.Cheap flight deals from Incheon Intl to Illinois
Keep the following information in mind while searching for Incheon Intl to Illinois flight deals. Data was last updated février 20, 2025.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $659 (United Airlines) |
One-way from | $433 (Kiwi.com) |
Popular in | August |
Cheapest in | October |
Average price | $922 |
Good round-trip deal | $1,317 or less |
Good one-way deal | $1,071 or less |
Find flight deals from Incheon Intl to Illinois
Cheapest flights from Incheon Intl to IllinoisExplore 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 février 20, 2025.
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 février 20, 2025.
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
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.
This WestJet 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Korean Air 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Korean Air 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Korean Air 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
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 février 20, 2025.
Fly from
Fly to
Route
Depart
Return
Price
IncheonChicago
ICN - ORD
ICNORD
Incheon Intl
jeu. 4/24
11:30 am-11:36 am
1 stop38h 06m
Chicago O'Hare Intl
sam. 4/26
7:25 am-3:00 pm
2 stops41h 35m
IncheonChicago
ICN - ORD
ICNORD
Incheon Intl
mar. 5/27
8:45 pm-4:44 pm
1 stop33h 59m
Chicago O'Hare Intl
mar. 6/10
5:30 pm-6:45 pm
1 stop35h 15m
IncheonChicago
ICN - ORD
ICNORD
Incheon Intl
mer. 3/5
6:50 pm-11:56 pm
1 stop20h 06m
Chicago O'Hare Intl
mer. 3/12
5:00 am-3:55 pm
1 stop20h 55m
IncheonSt. Louis
ICN - STL
ICNSTL
Incheon Intl
lun. 3/3
12:45 pm-10:06 pm
2 stops24h 21m
Lambert-St Louis
jeu. 4/10
5:54 pm-4:20 am
1 stop20h 26m
IncheonChicago
ICN - ORD
ICNORD
Incheon Intl
mar. 4/15
5:45 pm-8:00 pm
2 stops40h 15m
Chicago O'Hare Intl
mar. 4/29
2:05 pm-4:05 pm
2 stops36h 00m
IncheonChicago
ICN - ORD
ICNORD
Incheon Intl
jeu. 3/6
9:55 pm-7:44 am
1 stop24h 49m
Chicago O'Hare Intl
mer. 3/12
5:22 pm-5:40 am
1 stop22h 18m
IncheonSt. Louis
ICN - STL
ICNSTL
Incheon Intl
lun. 5/5
7:05 pm-12:36 pm
1 stop31h 31m
Lambert-St Louis
ven. 5/16
7:30 am-5:30 pm
1 stop20h 00m
IncheonChicago
ICN - MDW
ICNMDW
Incheon Intl
mar. 3/18
7:30 pm-2:15 pm
1 stop32h 45m
Chicago Midway
jeu. 3/27
9:25 am-4:30 pm
1 stop17h 05m
IncheonChicago
ICN - MDW
ICNMDW
Incheon Intl
mar. 5/27
8:45 pm-6:04 pm
2 stops35h 19m
Chicago Midway
mar. 6/3
9:20 am-6:45 pm
2 stops43h 25m
IncheonChicago
ICN - MDW
ICNMDW
Incheon Intl
mar. 5/27
10:15 am-12:30 pm
1 stop16h 15m
Chicago Midway
mar. 6/3
9:20 am-5:20 pm
1 stop18h 00m
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.
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, August is the cheapest month in which you can book a flight from Incheon Intl Airport to Illinois (average of $245). Flying from Incheon Intl Airport 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.
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 février 20, 2025.
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 février 20, 2025.
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 février 20, 2025.
Peruse reviews from past customers who have flown with EVA Air, Korean Air and Delta 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.
Comfort
Overall
Crew
Food
Boarding
Entertainment
Reviews
Piotr,Feb 2025
TPE - ORD
Comfort
Overall
Crew
Food
Boarding
Entertainment
Reviews
Piotr,Feb 2025
TPE - ORD
Comfort
Overall
Crew
Food
Boarding
Entertainment
Reviews
Piotr,Feb 2025
TPE - ORD
Comfort
Overall
Crew
Food
Boarding
Entertainment
Reviews
Piotr,Feb 2025
TPE - ORD
Comfort
Overall
Crew
Food
Boarding
Entertainment
Reviews
Piotr,Feb 2025
TPE - ORD
Comfort
Overall
Crew
Food
Boarding
Entertainment
Reviews
Piotr,Feb 2025
TPE - ORD
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.
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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.
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 février 20, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$697 | Average$992 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$820 | Average$1,038 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$1,089 | Average$1,563 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$1,186 | Average$1,419 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$1,269 | Average$1,520 | FlexibilityNo cancel fee | On-timeN/A |