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$351+ 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 5/16. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — ICN
Mar 26 — Apr 21
Thu 3/26
Thu 4/2
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 February 24, 2026.

This Kiwi.com deal was found by Cheapflights users on 2/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/185:09 pm
ORD
-
ICN
1 stop22h 06m
Multiple Airlines
Mon 5/116:00 pm
ICN
-
ORD
2 stops26h 47m
Multiple Airlines
Deal found 2/23$752
This Kiwi.com deal was found by Cheapflights users on 2/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/185:09 pm
ORD
-
ICN
1 stop22h 06m
Multiple Airlines
Tue 5/129:10 pm
ICN
-
ORD
2 stops35h 44m
Multiple Airlines
Deal found 2/23$754
This Kiwi.com deal was found by Cheapflights users on 2/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/185:09 pm
ORD
-
ICN
1 stop22h 06m
Multiple Airlines
Thu 5/149:10 pm
ICN
-
ORD
2 stops31h 10m
Multiple Airlines
Deal found 2/23$758
This Kiwi.com deal was found by Cheapflights users on 2/24. 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 4/255:09 pm
ORD
-
ICN
1 stop22h 06m
Multiple Airlines
Mon 5/186:00 pm
ICN
-
ORD
2 stops25h 50m
Multiple Airlines
Deal found 2/24$759
This Kiwi.com deal was found by Cheapflights users on 2/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/158:58 am
ORD
-
ICN
1 stop30h 17m
Multiple Airlines
Mon 4/276:00 pm
ICN
-
ORD
2 stops25h 50m
Multiple Airlines
Deal found 2/23$761
This Kiwi.com deal was found by Cheapflights users on 2/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/185:09 pm
ORD
-
ICN
1 stop22h 06m
Multiple Airlines
Wed 5/136:00 pm
ICN
-
ORD
2 stops25h 50m
Multiple Airlines
Deal found 2/23$762
This Kiwi.com deal was found by Cheapflights users on 2/22. 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.
Sat 4/255:09 pm
ORD
-
ICN
1 stop22h 06m
Multiple Airlines
Mon 5/116:00 pm
ICN
-
ORD
2 stops26h 47m
Multiple Airlines
Deal found 2/22$764
This Kiwi.com deal was found by Cheapflights users on 2/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/146:01 pm
ORD
-
ICN
1 stop21h 14m
Multiple Airlines
Wed 4/296:00 pm
ICN
-
ORD
2 stops25h 50m
Multiple Airlines
Deal found 2/23$765
This Kiwi.com deal was found by Cheapflights users on 2/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/205:09 pm
ORD
-
ICN
1 stop22h 06m
Multiple Airlines
Mon 5/116:00 pm
ICN
-
ORD
2 stops26h 47m
Multiple Airlines
Deal found 2/23$766
This Kiwi.com deal was found by Cheapflights users on 2/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/205:09 pm
ORD
-
ICN
1 stop22h 06m
Multiple Airlines
Tue 5/129:10 pm
ICN
-
ORD
2 stops35h 44m
Multiple Airlines
Deal found 2/23$767
This Kiwi.com deal was found by Cheapflights users on 2/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/198:58 am
ORD
-
ICN
1 stop30h 17m
Multiple Airlines
Sat 5/96:00 pm
ICN
-
ORD
2 stops25h 50m
Multiple Airlines
Deal found 2/23$770
This Kiwi.com deal was found by Cheapflights users on 2/24. 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 4/187:30 am
MDW
-
ICN
1 stop31h 45m
Multiple Airlines
Sat 4/259:10 pm
ICN
-
MDW
2 stops32h 10m
Multiple Airlines
Deal found 2/24$949

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 February 24, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$747
(Kiwi.com)

One-way from

$351
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$1,015

Good round-trip deal

$916 or less

Good one-way deal

$470 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, 2% potential price rise
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($70 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
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 February 24, 2026.
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

ChicagoSeoul

ORD - GMP

ORDGMP

Chicago O'Hare Intl

Wed 7/29

2:30 pm-10:40 am

1 stop30h 10m

Seoul Gimpo Intl

Mon 9/14

7:15 pm-10:45 am

1 stop29h 30m

$1,104

ChicagoBusan

ORD - PUS

ORDPUS

Chicago O'Hare Intl

Sun 4/12

12:30 am-6:00 pm

1 stop27h 30m

Busan Gimhae

Mon 4/20

7:10 pm-5:50 am

2 stops24h 40m

$1,112

ChicagoBusan

ORD - PUS

ORDPUS

Chicago O'Hare Intl

Mon 4/6

12:30 am-6:00 pm

1 stop27h 30m

Busan Gimhae

Tue 4/14

7:10 pm-9:00 pm

1 stop39h 50m

$1,147

ChicagoSeoul

ORD - GMP

ORDGMP

Chicago O'Hare Intl

Tue 3/10

6:40 pm-10:55 am

1 stop26h 15m

Seoul Gimpo Intl

Tue 3/17

12:05 pm-8:35 am

1 stop34h 30m

$1,158

ChicagoBusan

ORD - PUS

ORDPUS

Chicago O'Hare Intl

Wed 4/8

12:30 am-6:00 pm

1 stop27h 30m

Busan Gimhae

Thu 4/16

7:10 pm-5:15 am

2 stops48h 05m

$1,173

ChicagoSeoul

ORD - GMP

ORDGMP

Chicago O'Hare Intl

Mon 4/6

2:10 pm-9:15 pm

1 stop17h 05m

Seoul Gimpo Intl

Sun 4/26

7:15 pm-10:45 am

1 stop29h 30m

$1,198

ChicagoBusan

ORD - PUS

ORDPUS

Chicago O'Hare Intl

Sun 4/12

12:30 am-6:00 pm

1 stop27h 30m

Busan Gimhae

Mon 4/20

7:45 am-7:00 am

3 stops37h 15m

$1,226

ChicagoJeju City

ORD - CJU

ORDCJU

Chicago O'Hare Intl

Mon 4/6

12:30 am-6:30 am

2 stops40h 00m

Jeju City

Tue 4/14

7:30 am-9:00 pm

2 stops51h 30m

$1,264

ChicagoBusan

ORD - PUS

ORDPUS

Chicago O'Hare Intl

Fri 5/1

7:20 pm-11:15 am

2 stops25h 55m

Busan Gimhae

Sat 5/9

8:00 pm-6:40 am

2 stops24h 40m

$1,303

ChicagoIncheon

ORD - ICN

ORDICN

Chicago O'Hare Intl

Thu 3/26

2:10 pm-10:45 am

1 stop30h 35m

Incheon Intl

Thu 4/2

1:00 pm-9:28 pm

2 stops22h 28m

$1,338

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/22

Showing 1-10 of 60 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 $198). Flying from Chicago to South Korea in December is currently the most expensive (average of $1,016). 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 February 24, 2026.

It’s typically best to fly out from Chicago to South Korea at noon. Doing so could potentially save you 50% 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 March 30, 2025.

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 February 24, 2026.

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 32% of weekly flights between Chicago and South Korea have experienced delays in the past year, with the average delay time being 216 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 19% 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 February 24, 2026.
Peruse reviews from past customers who have flown with EVA Air, Korean Air, and Delta 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.
EVA Air
8.4
Very good
1,359 reviews

Food

8.1

Crew

8.6

Boarding

8.4

Overall

8.4

Entertainment

8.0

Comfort

8.3

Reviews

1 / 20
8.0
Excellent

Jolene,Jan 2026

SGN - TPE

Everything was good. I asked for aisle seating as I must stretch my leg out because of back and pelvis issues. Sometimes I don't always get it. But I did for all 3 of my flights for my destination. It was very nice.
EVA Air
8.4
Very good
1,359 reviews
EVA Air
8.4
Very good
1,359 reviews

Food

8.1

Crew

8.6

Boarding

8.4

Overall

8.4

Entertainment

8.0

Comfort

8.3

Reviews

1 / 20
8.0
Excellent

Jolene,Jan 2026

SGN - TPE

Everything was good. I asked for aisle seating as I must stretch my leg out because of back and pelvis issues. Sometimes I don't always get it. But I did for all 3 of my flights for my destination. It was very nice.
Korean Air
8.4
Very good
1,195 reviews
EVA Air
8.4
Very good
1,359 reviews

Food

8.1

Crew

8.6

Boarding

8.4

Overall

8.4

Entertainment

8.0

Comfort

8.3

Reviews

1 / 20
8.0
Excellent

Jolene,Jan 2026

SGN - TPE

Everything was good. I asked for aisle seating as I must stretch my leg out because of back and pelvis issues. Sometimes I don't always get it. But I did for all 3 of my flights for my destination. It was very nice.
Delta
7.9
Good
8,237 reviews
EVA Air
8.4
Very good
1,359 reviews

Food

8.1

Crew

8.6

Boarding

8.4

Overall

8.4

Entertainment

8.0

Comfort

8.3

Reviews

1 / 20
8.0
Excellent

Jolene,Jan 2026

SGN - TPE

Everything was good. I asked for aisle seating as I must stretch my leg out because of back and pelvis issues. Sometimes I don't always get it. But I did for all 3 of my flights for my destination. It was very nice.
Cathay Pacific
7.6
Good
1,179 reviews
EVA Air
8.4
Very good
1,359 reviews

Food

8.1

Crew

8.6

Boarding

8.4

Overall

8.4

Entertainment

8.0

Comfort

8.3

Reviews

1 / 20
8.0
Excellent

Jolene,Jan 2026

SGN - TPE

Everything was good. I asked for aisle seating as I must stretch my leg out because of back and pelvis issues. Sometimes I don't always get it. But I did for all 3 of my flights for my destination. It was very nice.
Turkish Airlines
7.3
Good
4,236 reviews
EVA Air
8.4
Very good
1,359 reviews

Food

8.1

Crew

8.6

Boarding

8.4

Overall

8.4

Entertainment

8.0

Comfort

8.3

Reviews

1 / 20
8.0
Excellent

Jolene,Jan 2026

SGN - TPE

Everything was good. I asked for aisle seating as I must stretch my leg out because of back and pelvis issues. Sometimes I don't always get it. But I did for all 3 of my flights for my destination. It was very nice.

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 ($89), and Delta ($95).

  • 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: Korean Air (60%), Delta (55%), Atlas Air( 48%).

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

    The cheapest flight price from Chicago to South Korea is $385. On average you can expect to pay $2,362. The most popular route, (Chicago O'Hare Intl - Incheon Intl), can usually be booked for $761.

  • 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 $198). Flying from Chicago to South Korea in December is currently the most expensive (average of $1,016). 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

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Top 10 airlines flying from Chicago to South Korea

Discover the top 10 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 February 24, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$194Average$1,883FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$287Average$1,995FlexibilityNo cancel feeOn-time69%
Cathay PacificCheapest$639Average$918FlexibilityNo cancel feeOn-time72%
Turkish AirlinesCheapest$881Average$1,192FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$916Average$1,372FlexibilityNo cancel feeOn-time71%
EVA AirCheapest$989Average$1,250FlexibilityNo cancel feeOn-time74%
Air CanadaCheapest$1,095Average$1,295FlexibilityNo cancel feeOn-time67%
Asiana AirlinesCheapest$1,234Average$1,726FlexibilityNo cancel feeOn-time76%
FinnairCheapest$1,259Average$1,411FlexibilityNo cancel feeOn-time76%
Korean AirCheapest$1,588Average$1,922FlexibilityNo cancel feeOn-time81%

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