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$358+ Cheap flights from Chicago (CHI) to South Korea

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 3/1. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — ICN
Jan 22 — Jan 291
Thu 1/22
Thu 1/29
1 adult, Economy
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Cheap flight deals from Chicago to South Korea

Cheapest flights from Chicago to South Korea
Explore the most affordable flight options available from Chicago to South Korea. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 23, 2025.

This FlightHub deal was found by Cheapflights users on 12/21. 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.
Tue 12/309:55 pmORD - ICN
1 stop42h 15mLOT
Sat 1/171:25 pmICN - ORD
1 stop45h 35mLOT
Deal found 12/21$1,333
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.
Fri 12/261:10 pmORD - ICN
1 stop30h 35mMultiple Airlines
Fri 1/236:55 pmICN - ORD
2 stops55h 02mMultiple Airlines
Deal found 12/19$1,342
This Kiwi.com deal was found by Cheapflights users on 12/21. 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.
Tue 12/304:25 pmORD - ICN
1 stop30h 50mMultiple Airlines
Sat 1/179:20 pmICN - ORD
2 stops38h 51mMultiple Airlines
Deal found 12/21$1,345
This Gotogate deal was found by Cheapflights users on 12/20. 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.
Sun 12/289:55 pmORD - ICN
2 stops42h 15mLOT
Sun 1/188:50 amICN - ORD
1 stop26h 10mLOT
Deal found 12/20$1,412
This Kiwi.com deal was found by Cheapflights users on 12/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/291:10 pmORD - ICN
1 stop30h 35mMultiple Airlines
Mon 1/198:35 pmICN - ORD
2 stops36h 17mMultiple Airlines
Deal found 12/20$1,434
This Kiwi.com deal was found by Cheapflights users on 12/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/246:02 pmORD - ICN
1 stop31h 18mMultiple Airlines
Sat 1/246:55 pmICN - ORD
2 stops19h 55mMultiple Airlines
Deal found 12/22$1,447
This Kiwi.com deal was found by Cheapflights users on 12/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/271:10 pmORD - ICN
1 stop30h 35mMultiple Airlines
Thu 1/159:20 pmICN - ORD
2 stops31h 15mMultiple Airlines
Deal found 12/20$1,448
This Kiwi.com deal was found by Cheapflights users on 12/21. 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 12/311:10 pmORD - ICN
1 stop30h 35mMultiple Airlines
Sat 1/179:20 pmICN - ORD
2 stops37h 16mMultiple Airlines
Deal found 12/21$1,479
This Ovago deal was found by Cheapflights users on 12/22. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/302:35 pmORD - ICN
1 stop32h 20mCathay Pacific
Tue 1/201:45 pmICN - ORD
1 stop38h 10mCathay Pacific
Deal found 12/22$1,490
This Mytrip deal was found by Cheapflights users on 12/20. 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.
Tue 12/301:10 pmORD - ICN
1 stop30h 35mMultiple Airlines
Fri 1/1610:20 pmICN - ORD
2 stops28h 02mMultiple Airlines
Deal found 12/20$1,494
This oojo deal was found by Cheapflights users on 12/21. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3111:30 pmORD - ICN
1 stop28h 15mEVA Air
Sat 1/177:45 pmICN - ORD
1 stop38h 50mEVA Air
Deal found 12/21$1,498
This Kiwi.com deal was found by Cheapflights users on 12/21. 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 12/246:12 amMDW - ICN
2 stops31h 58mMultiple Airlines
Thu 1/159:55 pmICN - MDW
1 stop17h 07mMultiple Airlines
Deal found 12/21$1,808

Find flight deals from Chicago to South Korea

Keep the following information in mind while searching for Chicago to South Korea flight deals. Data was last updated December 23, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$839
(Kiwi.com)

One-way from

$358
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$2,072

Good round-trip deal

$815 or less

Good one-way deal

$612 or less
Provider with most accurate pricing for Chicago (CHI)-Seoul (SEL) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-Seoul (SEL) flights.
Search Deals
From Chicago (CHI) to South Korea
Search Deals
One-way flight from Chicago (CHI) to South Korea
Search Deals
High demand for flights, 4% potential price rise
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($66 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Chicago (CHI) to South Korea.
Search Deals
Price to beat on a one-way flight from Chicago (CHI) to South Korea.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Chicago to South Korea 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 23, 2025.
Use the filters below to find and compare flights from Chicago to South Korea that are best for you.

Fly from

Chicago

Fly to

South Korea

Route

Depart

Return

Price

ChicagoJeju City

ORD - CJU

ORDCJU

Chicago O'Hare Intl

Thu 2/5

2:35 pm-6:40 am

1 stop25h 05m

Jeju City

Thu 2/12

7:55 am-12:55 pm

1 stop20h 00m

$1,011

ChicagoIncheon

ORD - ICN

ORDICN

Chicago O'Hare Intl

Thu 1/15

2:35 pm-9:25 pm

1 stop39h 50m

Incheon Intl

Wed 2/11

7:35 pm-12:55 pm

1 stop32h 20m

$1,031

ChicagoIncheon

ORD - ICN

ORDICN

Chicago O'Hare Intl

Thu 1/15

3:44 pm-6:35 pm

2 stops35h 51m

Incheon Intl

Mon 2/9

8:35 pm-2:29 pm

2 stops32h 54m

$1,045

ChicagoJeju City

ORD - CJU

ORDCJU

Chicago O'Hare Intl

Tue 3/10

3:35 pm-6:40 am

1 stop25h 05m

Jeju City

Sat 3/14

7:55 am-1:55 pm

1 stop20h 00m

$1,077

ChicagoIncheon

ORD - ICN

ORDICN

Chicago O'Hare Intl

Thu 1/15

2:35 pm-1:55 pm

1 stop32h 20m

Incheon Intl

Thu 2/12

3:00 pm-12:55 pm

1 stop36h 55m

$1,081

ChicagoBusan

ORD - PUS

ORDPUS

Chicago O'Hare Intl

Fri 2/6

11:30 pm-5:40 pm

1 stop27h 10m

Busan Gimhae

Fri 2/13

6:55 pm-7:35 pm

1 stop39h 40m

$1,091

ChicagoIncheon

ORD - ICN

ORDICN

Chicago O'Hare Intl

Sat 1/24

3:44 pm-6:35 pm

2 stops35h 51m

Incheon Intl

Thu 1/29

8:35 pm-2:29 pm

2 stops32h 54m

$1,130

ChicagoBusan

ORD - PUS

ORDPUS

Chicago O'Hare Intl

Fri 3/20

12:30 am-5:40 pm

1 stop27h 10m

Busan Gimhae

Fri 3/27

3:45 pm-8:35 pm

1 stop18h 50m

$1,182

ChicagoIncheon

ORD - ICN

ORDICN

Chicago O'Hare Intl

Fri 1/16

3:44 pm-6:35 pm

2 stops35h 51m

Incheon Intl

Sun 2/1

8:35 pm-1:10 pm

2 stops31h 35m

$1,184

ChicagoIncheon

MDW - ICN

MDWICN

Chicago Midway

Sun 3/22

7:30 am-5:40 am

1 stop32h 10m

Incheon Intl

Sat 3/28

1:20 pm-10:45 pm

2 stops23h 25m

$1,188

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/21

Showing 1-10 of 57 results
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Best time to book a flight from Chicago to South Korea

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

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

Currently, October is the cheapest month in which you can book a flight from Chicago to South Korea (average of $202). Flying from Chicago to South Korea in June is currently the most expensive (average of $1,178). 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 CHI to KR?

Find hourly flight availability from Chicago to South Korea. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 23, 2025.

It’s typically best to fly out from Chicago to South Korea at noon. Doing so could potentially save you 61% on the flight price compared to flying in the morning, which is usually more expensive.

What is the cheapest day to fly from Chicago to South Korea?

Use this chart to determine the cheapest time to fly round-trip from Chicago to South Korea. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Chicago to South Korea flight should consider departing on Tuesday mornings when fares are most often at their lowest. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Chicago to South Korea

Explore weekly flight availability from Chicago to South Korea. 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 23, 2025.

The most flights from CHI to KR0 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).

How often are flights from Chicago to South Korea delayed?

About 29% of weekly flights between Chicago and South Korea have experienced delays in the past year, with the average delay time being 243 minutes.

What is the most punctual flight time for Chicago to South Korea flights?

Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Thursday tends to have the lowest number of delays on this route, whereas Wednesday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Chicago to South Korea flights?

Over the last year, Korean Air have had the lowest number of delays on this route, with just 18% of flights being delayed.

Reviews of airlines servicing South Korea

Get insights into the airlines that provide service to South Korea. 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 South Korea. Reviews last updated December 23, 2025.
Peruse reviews from past customers who have flown with Korean Air, Delta, and Cathay Pacific from Chicago to South Korea to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very good
1,185 reviews

Entertainment

8.2

Crew

8.7

Overall

8.4

Food

8.1

Boarding

8.5

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Korean Air
8.4
Very good
1,185 reviews
Korean Air
8.4
Very good
1,185 reviews

Entertainment

8.2

Crew

8.7

Overall

8.4

Food

8.1

Boarding

8.5

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Delta
7.9
Good
8,013 reviews
Korean Air
8.4
Very good
1,185 reviews

Entertainment

8.2

Crew

8.7

Overall

8.4

Food

8.1

Boarding

8.5

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Cathay Pacific
7.6
Good
1,103 reviews
Korean Air
8.4
Very good
1,185 reviews

Entertainment

8.2

Crew

8.7

Overall

8.4

Food

8.1

Boarding

8.5

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Turkish Airlines
7.3
Good
4,112 reviews
Korean Air
8.4
Very good
1,185 reviews

Entertainment

8.2

Crew

8.7

Overall

8.4

Food

8.1

Boarding

8.5

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Air Canada
7.1
Good
10,551 reviews
Korean Air
8.4
Very good
1,185 reviews

Entertainment

8.2

Crew

8.7

Overall

8.4

Food

8.1

Boarding

8.5

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.

Related info for your journey

Find useful and relevant information for your journey from Chicago to South Korea. 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 Chicago to South Korea?

    Departing from Chicago to South Korea will take you 25h 05m. Airlines will cover a distance of 6778 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    The cheapest airlines for a one-way flight from Chicago to South Korea are United Airlines ($68), American Airlines ($94), and Southern / Mokulele ($99).

  • What are the most popular routes from Chicago to South Korea?

    When deciding which route to take from Chicago to South Korea consider Chicago O'Hare Intl - Incheon Intl, Chicago O'Hare Intl - Seoul Gimpo Intl or Chicago Midway - Incheon Intl as they are the most popular.

  • What are the most reliable airlines from Chicago to South Korea?

    Before booking your flight to South Korea from Chicago, check out the most reliable airlines to get you to your destination on time: Delta (64%), Korean Air (51%), Atlas Air( 42%).

  • What are the cheapest flights from Chicago to South Korea?

    The cheapest flight price from Chicago to South Korea is $402. On average you can expect to pay $2,286. The most popular route, (Chicago O'Hare Intl - Incheon Intl), can usually be booked for $844.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Chicago to South Korea 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 Chicago to South Korea?

    Currently, October is the cheapest month in which you can book a flight from Chicago to South Korea (average of $202). Flying from Chicago to South Korea in June is currently the most expensive (average of $1,178). 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 Chicago to South Korea

See prices for flight routes from nearby airports that may be better suited for you.
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Top 9 airlines flying from Chicago to South Korea

Discover the top 9 airlines that operate flights from Chicago to South Korea. 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 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$194Average$1,883FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$287Average$1,704FlexibilityNo cancel feeOn-time69%
Cathay PacificCheapest$639Average$901FlexibilityNo cancel feeOn-time72%
Turkish AirlinesCheapest$849Average$1,076FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$926Average$1,440FlexibilityNo cancel feeOn-time71%
EVA AirCheapest$1,003Average$1,310FlexibilityNo cancel feeOn-time74%
Air CanadaCheapest$1,098Average$1,338FlexibilityNo cancel feeOn-time67%
FinnairCheapest$1,110Average$1,375FlexibilityNo cancel feeOn-time76%
Korean AirCheapest$1,505Average$1,839FlexibilityNo cancel feeOn-time81%

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