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$355+ Cheap flights from Seoul (SEL) 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 10/23. Fares are subject to change and may not be available on all flights or dates of travel.
SEL — CHI
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheapflights Tip: The best prices from Seoul to Chicago are usually found in February or November, booked 40 days in advance, depart on a Tuesday or Thursday and return on a Tuesday

Cheap flight deals from Seoul to Chicago

Discover tips and strategies to find the most affordable flight options for your journey from Seoul (SEL) 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 September 11, 2025.

Round-trip from

$611
(Alaska Airlines)

One-way from

$355
(Kiwi.com)

Popular in

January

Cheapest in

February

Average price

$1,581

Good round-trip deal

$1,288 or less

Good one-way deal

$1,103 or less
From Seoul (SEL) to Chicago (CHI)
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One-way flight from Seoul (SEL) to Chicago (CHI)
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Highest demand for flights based on searches. 3% potential increase in price ($40 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($59 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 round-trip flight from Seoul (SEL) to Chicago (CHI).
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Price to beat on a one-way flight from Seoul (SEL) to Chicago (CHI).
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Find flight deals from Seoul to Chicago

Cheapest flights from Seoul to Chicago
Explore the most affordable flight options available from Seoul to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This Travelocity deal was found by Cheapflights users on 9/9. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/176:00 pmICN - ORD
2 stops28h 00mAir Canada
Wed 9/248:25 pmORD - ICN
2 stops29h 50mAir Canada
Deal found 9/9$606
This Alaska Airlines deal was found by Cheapflights users on 9/11. 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.
Fri 11/78:35 pmICN - ORD
2 stops47h 26mAlaska Airlines
Mon 11/108:59 pmORD - ICN
2 stops31h 26mAlaska Airlines
Deal found 9/11$611
This Trip.com deal was found by Cheapflights users on 9/10. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/294:10 pmICN - ORD
1 stop22h 14mMultiple Airlines
Tue 11/183:25 pmORD - ICN
1 stop33h 30mMultiple Airlines
Deal found 9/10$621
This Alaska Airlines deal was found by Cheapflights users on 9/11. 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.
Wed 11/129:25 pmICN - ORD
2 stops41h 34mAlaska Airlines
Wed 12/37:59 pmORD - ICN
2 stops55h 36mAlaska Airlines
Deal found 9/11$637
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 12/169:00 pmICN - ORD
1 stop16h 30mMultiple Airlines
Wed 2/116:50 pmORD - ICN
1 stop19h 30mMultiple Airlines
Deal found 9/10$643
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 12/159:00 pmICN - ORD
1 stop16h 30mMultiple Airlines
Wed 2/116:50 pmORD - ICN
1 stop19h 30mMultiple Airlines
Deal found 9/10$652
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 10/258:35 pmICN - ORD
1 stop17h 31mMultiple Airlines
Sat 11/18:00 amORD - ICN
1 stop20h 35mMultiple Airlines
Deal found 9/10$667
This WhyPayMore deal was found by Cheapflights users on 9/11. 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 WhyPayMore is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/186:20 pmICN - ORD
1 stop19h 39mMultiple Airlines
Sat 10/256:00 amORD - ICN
1 stop21h 55mMultiple Airlines
Deal found 9/11$674
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 12/149:00 pmICN - ORD
1 stop16h 30mMultiple Airlines
Wed 2/116:50 pmORD - ICN
1 stop19h 30mMultiple Airlines
Deal found 9/10$683
This WhyPayMore deal was found by Cheapflights users on 9/10. 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 WhyPayMore is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/116:20 pmICN - ORD
1 stop26h 04mMultiple Airlines
Sat 10/186:00 amORD - ICN
1 stop21h 55mMultiple Airlines
Deal found 9/10$686
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 12/159:00 pmICN - ORD
1 stop16h 30mMultiple Airlines
Fri 2/136:50 pmORD - ICN
1 stop19h 30mMultiple Airlines
Deal found 9/10$693
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 10/68:55 pmICN - MDW
2 stops30h 43mMultiple Airlines
Tue 10/145:56 pmMDW - ICN
1 stop20h 59mMultiple Airlines
Deal found 9/10$938

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seoul 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 September 11, 2025.
Use the filters below to find and compare flights from Seoul to Chicago that are best for you.

Fly from

Seoul

Fly to

Chicago

Route

Depart

Return

Price

IncheonChicago

ICN - ORD

ICNORD

Incheon Intl

Sat 10/18

8:35 pm-6:24 am

1 stop23h 49m

Chicago O'Hare Intl

Sat 10/25

7:00 am-6:35 pm

2 stops21h 35m

$776

IncheonChicago

ICN - ORD

ICNORD

Incheon Intl

Mon 10/6

8:35 pm-2:50 pm

1 stop32h 15m

Chicago O'Hare Intl

Tue 10/14

7:59 pm-6:35 pm

2 stops32h 36m

$782

IncheonChicago

ICN - ORD

ICNORD

Incheon Intl

Sat 10/11

8:35 pm-1:04 pm

2 stops30h 29m

Chicago O'Hare Intl

Sat 10/18

5:59 pm-7:00 pm

2 stops35h 01m

$872

IncheonChicago

ICN - MDW

ICNMDW

Incheon Intl

Mon 10/6

8:55 pm-1:38 pm

2 stops30h 43m

Chicago Midway

Tue 10/14

5:56 pm-4:55 am

1 stop20h 59m

$938

IncheonChicago

ICN - ORD

ICNORD

Incheon Intl

Sun 10/12

9:25 pm-2:50 pm

2 stops31h 25m

Chicago O'Hare Intl

Wed 10/22

7:59 pm-6:35 pm

2 stops32h 36m

$951

IncheonChicago

ICN - MDW

ICNMDW

Incheon Intl

Fri 10/10

8:45 pm-8:39 am

2 stops25h 54m

Chicago Midway

Sun 10/26

5:56 pm-5:40 am

1 stop21h 44m

$965

IncheonChicago

ICN - ORD

ICNORD

Incheon Intl

Mon 12/1

8:35 pm-2:39 pm

1 stop33h 04m

Chicago O'Hare Intl

Mon 12/22

8:59 pm-6:35 pm

2 stops54h 36m

$1,008

IncheonChicago

ICN - ORD

ICNORD

Incheon Intl

Sun 10/12

7:30 pm-12:18 pm

1 stop30h 48m

Chicago O'Hare Intl

Wed 10/22

12:10 pm-4:50 pm

Nonstop14h 40m

$1,023

IncheonChicago

ICN - ORD

ICNORD

Incheon Intl

Sun 11/2

7:30 pm-9:56 am

1 stop29h 26m

Chicago O'Hare Intl

Wed 11/19

11:15 am-5:15 pm

Nonstop15h 00m

$1,023

IncheonChicago

ICN - ORD

ICNORD

Incheon Intl

Thu 10/16

7:30 pm-12:18 pm

1 stop30h 48m

Chicago O'Hare Intl

Thu 10/23

12:10 pm-4:50 pm

Nonstop14h 40m

$1,024

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 54 results
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Best time to book a flight from Seoul to Chicago

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

How far ahead should I book a flight from Seoul to Chicago?

Use this chart to determine the optimal time to book a round-trip flight from Seoul to Chicago. Price data was last updated on August 29, 2025.

Booking 40 days in advance of your planned departure date is, on average, the best time to get cheap flights from Seoul to Chicago. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

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

Find hourly flight availability from Seoul 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 September 11, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 26% on flights from Seoul to Chicago by exploring options for tickets at noon.

Weekly flight availability from Seoul to Chicago

Explore weekly flight availability from Seoul 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 September 11, 2025.

The most flights from SEL 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).

What’s the top layover airport for flights from Seoul to Chicago?

Share of 1-stop round-trip flights from Seoul to Chicago chosen by Cheapflights users in the past 12 months, using the same layover each way.

Atlanta (ATL) – chosen by Cheapflights users on 50% of 1-stop itineraries from Seoul to Chicago on Cheapflights.

What’s the cheapest layover airport for flights from Seoul to Chicago?

Average round-trip fare for 1-stop flights from Seoul to Chicago, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Seattle (SEA) is the most affordable 1-stop option, with an average round-trip price of $605.

What’s the fastest layover option from Seoul to Chicago?

Shortest average travel time for 1-stop one-way flights from Seoul to Chicago, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Seattle (SEA) have the shortest average one-way travel time for 1-stop routes: 17h 24m.

Which airport typically offers the quickest layover for flights from Seoul to Chicago?

Average layover duration for 1-stop one-way flights from Seoul to Chicago, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Atlanta (ATL) offer the fastest connection on this route, with an average layover time of 4h 03m.

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 September 11, 2025.
Peruse reviews from past customers who have flown with Korean Air, Delta, and American Airlines from Seoul to Chicago 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
1,139 reviews

Crew

8.7

Boarding

8.5

Entertainment

8.2

Overall

8.4

Food

8.1

Comfort

8.3

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
1,139 reviews
Korean Air
8.4
Very good
1,139 reviews

Crew

8.7

Boarding

8.5

Entertainment

8.2

Overall

8.4

Food

8.1

Comfort

8.3

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
7,960 reviews
Korean Air
8.4
Very good
1,139 reviews

Crew

8.7

Boarding

8.5

Entertainment

8.2

Overall

8.4

Food

8.1

Comfort

8.3

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
1,139 reviews

Crew

8.7

Boarding

8.5

Entertainment

8.2

Overall

8.4

Food

8.1

Comfort

8.3

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
1,139 reviews

Crew

8.7

Boarding

8.5

Entertainment

8.2

Overall

8.4

Food

8.1

Comfort

8.3

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 Seoul 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 Seoul to Chicago?

    Departing from Seoul to Chicago will take you 23h 49m. Airlines will cover a distance of 6533 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Seoul 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 Air Canada, with the lowest prices starting at $558 and $730, respectively. Delta is currently priced 81% below the average price you’ll pay for this route.

  • What are the most popular routes from Seoul to Chicago?

    The most popular route from Seoul to Chicago is Incheon Intl - Chicago O'Hare Intl. You may also consider Incheon Intl - Chicago Midway or Seoul Gimpo Intl - Chicago O'Hare Intl.

  • What are the cheapest flights from Seoul to Chicago?

    While on average a flight from Seoul to Chicago is generally $1,982, 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 $506 for that flight.

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

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

  • How can I find direct flights from Seoul to Chicago?

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

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

    Yes. Cheapflights offers flight deals from Seoul 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 Seoul to Chicago?

    Currently, August is the cheapest month in which you can book a flight from Seoul to Chicago (average of $245). Flying from Seoul 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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Hammond
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Top 6 airlines flying from Seoul to Chicago

Discover the top 6 airlines that operate flights from Seoul 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$229Average$1,396FlexibilityNo cancel feeOn-timeN/A
Asiana AirlinesCheapest$558Average$1,047FlexibilityNo cancel feeOn-time76%
Air CanadaCheapest$730Average$1,053FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$763Average$1,024FlexibilityNo cancel feeOn-time71%
Korean AirCheapest$857Average$1,335FlexibilityNo cancel feeOn-time81%
United AirlinesCheapest$959Average$1,590FlexibilityNo cancel feeOn-time69%

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