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$399+ Cheap flights from Incheon Intl (ICN) to Chicago (CHI)

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 10/11. Fares are subject to change and may not be available on all flights or dates of travel.
ICN — CHI
oct. 16 — oct. 231
jue. 10/16
jue. 10/23
1 adult, Economy
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Cheapflights Tip: The best prices from Incheon Intl to Chicago are usually found in March or December, booked 72 days in advance, depart on a Tuesday or Thursday and return on a Tuesday

Cheap flight deals from Incheon Intl to Chicago

Discover tips and strategies to find the most affordable flight options for your journey from Incheon Intl (ICN) to Chicago (CHI). 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 septiembre 16, 2025.

Round-trip from

$589
(American Airlines)

One-way from

$399
(Kiwi.com)

Popular in

August

Cheapest in

March

Average price

$1,231

Good one-way deal

$1,100 or less
From Incheon Intl to Chicago (CHI)
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One-way flight from Incheon Intl to Chicago (CHI)
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Highest demand for flights based on searches. 10% potential increase in price ($154 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($46 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a one-way flight from Incheon Intl to Chicago (CHI).
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Find flight deals from Incheon Intl to Chicago

Cheapest flights from Incheon Intl to Chicago
Explore the most affordable flight options available from Incheon Intl to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on septiembre 16, 2025.

This American Airlines deal was found by Cheapflights users on 9/15. 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.
jue. 10/235:45 pmICN - ORD
1 stop19h 28mAmerican Airlines
mar. 10/2811:00 pmORD - ICN
2 stops26h 55mAmerican Airlines
Deal found 9/15$589
This United Airlines deal was found by Cheapflights users on 9/16. 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.
lun. 12/156:00 pmICN - ORD
3 stops29h 57mUnited Airlines
mar. 1/136:47 amORD - ICN
1 stop18h 28mUnited Airlines
Deal found 9/16$595
This Alaska Airlines deal was found by Cheapflights users on 9/16. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/279:25 pmICN - ORD
2 stops29h 44mAlaska Airlines
mié. 11/58:59 pmORD - ICN
2 stops30h 36mAlaska Airlines
Deal found 9/16$605
This United Airlines deal was found by Cheapflights users on 9/16. 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.
vie. 11/712:45 pmICN - ORD
2 stops25h 05mUnited Airlines
lun. 11/106:25 pmORD - ICN
1 stop20h 15mUnited Airlines
Deal found 9/16$606
This Alaska Airlines deal was found by Cheapflights users on 9/16. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 10/268:35 pmICN - ORD
2 stops55h 19mAlaska Airlines
sáb. 11/19:20 amORD - ICN
2 stops43h 15mAlaska Airlines
Deal found 9/16$607
This United Airlines deal was found by Cheapflights users on 9/15. 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.
mar. 9/2311:30 amICN - ORD
1 stop25h 42mUnited Airlines
mar. 10/213:47 pmORD - ICN
1 stop22h 33mUnited Airlines
Deal found 9/15$613
This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
mar. 10/146:20 pmICN - ORD
1 stop16h 30mMultiple Airlines
mar. 10/217:15 amORD - ICN
2 stops20h 40mMultiple Airlines
Deal found 9/15$615
This United Airlines deal was found by Cheapflights users on 9/15. 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.
mar. 10/214:50 pmICN - ORD
2 stops18h 40mUnited Airlines
mar. 11/116:15 pmORD - ICN
2 stops20h 25mUnited Airlines
Deal found 9/15$618
This United Airlines deal was found by Cheapflights users on 9/16. 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.
lun. 10/2711:55 amICN - ORD
1 stop27h 04mUnited Airlines
mié. 11/56:15 pmORD - ICN
2 stops20h 25mUnited Airlines
Deal found 9/16$620
This Alaska Airlines deal was found by Cheapflights users on 9/16. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/279:25 pmICN - ORD
2 stops29h 44mAlaska Airlines
vie. 11/78:59 pmORD - ICN
2 stops30h 36mAlaska Airlines
Deal found 9/16$626
This Alaska Airlines deal was found by Cheapflights users on 9/15. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/308:35 pmICN - ORD
2 stops55h 19mAlaska Airlines
jue. 11/69:20 amORD - ICN
2 stops43h 05mAlaska Airlines
Deal found 9/15$629
This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
lun. 10/271:20 pmICN - MDW
2 stops24h 00mMultiple Airlines
mar. 11/46:26 pmMDW - ICN
1 stop20h 14mMultiple Airlines
Deal found 9/15$1,008

Cheapflights Fare Finder

 
Customize your flight search to find flights from Incheon Intl to Chicago 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 septiembre 16, 2025.
Use the filters below to find and compare flights from Incheon Intl Airport to Chicago that are best for you.

Fly from

Incheon Intl

Fly to

Chicago

Route

Depart

Return

Price

IncheonChicago

ICN - ORD

ICNORD

Incheon Intl

vie. 11/7

12:45 pm-10:50 pm

2 stops25h 05m

Chicago O'Hare Intl

lun. 11/10

6:25 pm-5:40 am

1 stop20h 15m

$606

IncheonChicago

ICN - ORD

ICNORD

Incheon Intl

vie. 12/26

12:45 pm-11:00 pm

2 stops25h 15m

Chicago O'Hare Intl

sáb. 1/3

10:00 pm-4:15 pm

1 stop27h 15m

$639

IncheonChicago

ICN - ORD

ICNORD

Incheon Intl

dom. 12/21

12:45 pm-11:59 pm

2 stops26h 14m

Chicago O'Hare Intl

lun. 12/29

10:00 pm-4:15 pm

1 stop27h 15m

$639

IncheonChicago

ICN - ORD

ICNORD

Incheon Intl

dom. 12/21

6:00 pm-5:27 am

1 stop26h 27m

Chicago O'Hare Intl

mar. 12/30

7:45 pm-5:40 am

1 stop18h 55m

$639

IncheonChicago

ICN - ORD

ICNORD

Incheon Intl

lun. 12/22

12:45 pm-12:25 pm

1 stop38h 40m

Chicago O'Hare Intl

mar. 12/30

6:15 am-4:15 pm

1 stop19h 00m

$645

IncheonChicago

ICN - ORD

ICNORD

Incheon Intl

lun. 10/13

4:50 pm-5:55 am

1 stop27h 05m

Chicago O'Hare Intl

sáb. 10/25

4:25 pm-4:40 am

1 stop22h 15m

$649

IncheonChicago

ICN - ORD

ICNORD

Incheon Intl

lun. 10/6

8:35 pm-1:04 pm

2 stops30h 29m

Chicago O'Hare Intl

mar. 12/30

8:59 pm-6:35 pm

2 stops30h 36m

$760

IncheonChicago

ICN - ORD

ICNORD

Incheon Intl

mié. 12/24

12:45 pm-11:59 pm

2 stops26h 14m

Chicago O'Hare Intl

vie. 1/2

9:05 pm-5:40 am

1 stop41h 35m

$827

IncheonChicago

ICN - ORD

ICNORD

Incheon Intl

sáb. 10/11

8:35 pm-11:59 pm

2 stops41h 24m

Chicago O'Hare Intl

vie. 10/17

7:00 am-7:00 pm

2 stops46h 00m

$875

IncheonChicago

ICN - ORD

ICNORD

Incheon Intl

sáb. 9/27

8:35 pm-12:03 am

1 stop17h 28m

Chicago O'Hare Intl

lun. 10/13

7:59 pm-6:35 pm

2 stops56h 36m

$900

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 42 results
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The best insider tips for Incheon Intl Airport to Chicago flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Incheon Intl Airport to Chicago trip
Airports
ICN

Plan for extra time at security as lines can be long, especially without fast track options for premium passengers.

Read more about ICNby Gabriel Leigh
ORD

Expect long walks to immigration in Terminal 5 after international flights, with no moving walkways available.

Read more about ORDby Ramsey Qubein
Our travel experts
Ramsey Qubein

Ramsey Qubein

Expert on ORD

Ramsey Qubein

Ramsey Qubein

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more
Gabriel Leigh

Gabriel Leigh

Expert on ICN

Gabriel Leigh

Gabriel Leigh

Gabriel is a writer and video creator. As senior content producer for Flightradar24 and Monocle’s transport correspondent, he keeps a close eye on aviation in particular. He has also written travel articles for the likes of The New York Times. Born in New York but raised around the world, he now lives in Sweden. He’s been to 75 countries, flying 2.3 million miles on 113 airlines and through 234 airports in the process.

Read more

Best time to book a flight from Incheon Intl to Chicago

Have a flexible travel schedule? Discover the best time to fly to Chicago 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.

Cheapflights Insights

Everything you need to know about your flight from Incheon Intl Airport to Chicago

How far ahead should I book a flight from Incheon Intl Airport to Chicago?

Use this chart to determine the optimal time to book a round-trip flight from Incheon Intl to Chicago. Price data was last updated on September 12, 2025.

The price you pay for your flight from Incheon Intl Airport to Chicago may vary depending on when you book. For the best chance of a lower fare, look to book 70 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, August is the cheapest month in which you can book a flight from Incheon Intl Airport to Chicago (average of $245). Flying from Incheon Intl Airport to Chicago 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 CHI?

Find hourly flight availability from Incheon Intl to Chicago. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated septiembre 16, 2025.

It’s optimal to fly from Incheon Intl Airport to Chicago at noon. By choosing this option you can save up to 45% on the cost of your flight, compared to a flight in the afternoon.

Weekly flight availability from Incheon Intl Airport to Chicago

Explore weekly flight availability from Incheon Intl to Chicago. 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 septiembre 16, 2025.

The most flights from ICN to CHI 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).

Reviews of airlines servicing Chicago

Get insights into the airlines that provide service to Chicago. 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 Chicago. Reviews last updated septiembre 16, 2025.
Get a feel of what it's like to fly with Korean Air, Delta, and American Airlines from Incheon Intl Airport to Chicago by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very good
1,140 reviews

Overall

8.4

Crew

8.7

Boarding

8.5

Comfort

8.3

Food

8.1

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Korean Air
8.4
Very good
1,140 reviews
Korean Air
8.4
Very good
1,140 reviews

Overall

8.4

Crew

8.7

Boarding

8.5

Comfort

8.3

Food

8.1

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Delta
8.0
Very good
7,957 reviews
Korean Air
8.4
Very good
1,140 reviews

Overall

8.4

Crew

8.7

Boarding

8.5

Comfort

8.3

Food

8.1

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
American Airlines
7.2
Good
10,000 reviews
Korean Air
8.4
Very good
1,140 reviews

Overall

8.4

Crew

8.7

Boarding

8.5

Comfort

8.3

Food

8.1

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Air Canada
7.1
Good
10,000 reviews
Korean Air
8.4
Very good
1,140 reviews

Overall

8.4

Crew

8.7

Boarding

8.5

Comfort

8.3

Food

8.1

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!

Related info for your journey

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

  • How long is the flight from Incheon Intl Airport to Chicago?

    For as low as $606, United Airlines can have you in Chicago from Incheon Intl Airport in 25h 05m. The distance from Incheon Intl Airport to Chicago is about 6533 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Incheon Intl Airport to Chicago round-trip?

    Flying on Delta is currently your cheapest option to Chicago, with prices starting at $229. Additional round-trip tickets that might be worth considering are offered by Asiana Airlines and American Airlines, with the lowest prices starting at $558 and $717, respectively. You may be able to fly from Incheon Intl Airport to Chicago for 83% less than the average price by searching for these airlines.

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

    While on average a flight from Incheon Intl Airport to Chicago is generally $2,323, our data shows the cheapest flight currently is $1,038. When looking at the most popular route, (Incheon Intl - Chicago O'Hare Intl), you can expect to pay $525 for that flight.

  • Can I find deals for flights from Incheon Intl to Chicago that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from Incheon Intl to Chicago 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 Chicago?

    Currently, August is the cheapest month in which you can book a flight from Incheon Intl Airport to Chicago (average of $245). Flying from Incheon Intl Airport to Chicago 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.

See more FAQs

Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
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Lansing
Hammond
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Porter
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Top 6 airlines flying from Incheon Intl to Chicago

Discover the top 6 airlines that operate flights from Incheon Intl to Chicago. 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 septiembre 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$229Average$1,356FlexibilityNo cancel feeOn-timeN/A
Asiana AirlinesCheapest$558Average$1,047FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$717Average$970FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$730Average$1,053FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$851Average$1,590FlexibilityNo cancel feeOn-time69%
Korean AirCheapest$857Average$1,327FlexibilityNo cancel feeOn-time81%

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