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$340+ Cheap flights from Chicago (CHI) to Seoul (SEL)

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 — SEL
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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1. Tell us where you want to go

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Cheapflights Tip: The best prices from Chicago to Seoul are usually found in January or November, booked 46 days in advance, depart on a Tuesday or Monday and return on a Monday

Cheap flight deals from Chicago to Seoul

Cheapest flights from Chicago to Seoul
Explore the most affordable flight options available from Chicago to Seoul. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This Gotogate deal was found by Cheapflights users on 12/17. 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.
Wed 12/312:35 pmORD - ICN
1 stop31h 10mCathay Pacific
Sun 1/251:45 pmICN - ORD
1 stop38h 10mCathay Pacific
Deal found 12/17$1,232
This Kiwi.com deal was found by Cheapflights users on 12/17. 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 12/247:44 pmORD - ICN
1 stop29h 36mMultiple Airlines
Wed 1/216:55 pmICN - ORD
2 stops38h 36mMultiple Airlines
Deal found 12/17$1,273
This Kiwi.com deal was found by Cheapflights users on 12/17. 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 12/314:25 pmORD - ICN
1 stop21h 15mMultiple Airlines
Sun 1/256:55 pmICN - ORD
2 stops19h 42mMultiple Airlines
Deal found 12/17$1,328
This Kiwi.com deal was found by Cheapflights users on 12/17. 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 12/247:44 pmORD - ICN
1 stop29h 36mMultiple Airlines
Fri 1/236:55 pmICN - ORD
2 stops19h 55mMultiple Airlines
Deal found 12/17$1,333
This Kiwi.com deal was found by Cheapflights users on 12/17. 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 12/247:44 pmORD - ICN
1 stop29h 36mMultiple Airlines
Sat 1/246:55 pmICN - ORD
2 stops19h 55mMultiple Airlines
Deal found 12/17$1,336
This Kiwi.com deal was found by Cheapflights users on 12/17. 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 12/314:25 pmORD - ICN
1 stop31h 30mMultiple Airlines
Thu 1/159:20 pmICN - ORD
2 stops31h 15mMultiple Airlines
Deal found 12/17$1,340
This Kiwi.com deal was found by Cheapflights users on 12/17. 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.
Thu 12/256:02 pmORD - ICN
1 stop31h 18mMultiple Airlines
Sat 1/246:55 pmICN - ORD
2 stops19h 55mMultiple Airlines
Deal found 12/17$1,341
This Kiwi.com deal was found by Cheapflights users on 12/17. 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 12/314:25 pmORD - ICN
1 stop34h 20mMultiple Airlines
Sat 1/179:20 pmICN - ORD
2 stops32h 18mMultiple Airlines
Deal found 12/17$1,351
This Kiwi.com deal was found by Cheapflights users on 12/17. 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
Thu 1/159:20 pmICN - ORD
2 stops31h 15mMultiple Airlines
Deal found 12/17$1,360
This KAYAK deal was found by Cheapflights users on 12/17. 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 KAYAK 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
Sun 1/188:50 amICN - ORD
2 stops50h 05mLOT
Deal found 12/17$1,369
This Kiwi.com deal was found by Cheapflights users on 12/17. 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 stops32h 18mMultiple Airlines
Deal found 12/17$1,372
This Kiwi.com deal was found by Cheapflights users on 12/17. 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 12/247:44 pmORD - ICN
1 stop29h 36mMultiple Airlines
Tue 1/209:20 pmICN - ORD
2 stops32h 18mMultiple Airlines
Deal found 12/17$1,385

Find flight deals from Chicago to Seoul

Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) to Seoul (SEL). 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 December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$792
(Kiwi.com)

One-way from

$340
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$2,072

Good round-trip deal

$793 or less

Good one-way deal

$583 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 Seoul (SEL)
Search Deals
One-way flight from Chicago (CHI) to Seoul (SEL)
Search Deals
High demand for flights, 5% 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 Seoul (SEL).
Search Deals
Price to beat on a one-way flight from Chicago (CHI) to Seoul (SEL).
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Chicago to Seoul 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 18, 2025.
Use the filters below to find and compare flights from Chicago to Seoul that are best for you.

Fly from

Chicago

Fly to

Seoul

Route

Depart

Return

Price

ChicagoSeoul

ORD - GMP

ORDGMP

Chicago O'Hare Intl

Mon 1/26

11:30 pm-7:15 pm

1 stop28h 45m

Seoul Gimpo Intl

Tue 2/24

7:00 pm-7:35 pm

1 stop39h 35m

$958

ChicagoIncheon

ORD - ICN

ORDICN

Chicago O'Hare Intl

Sat 1/24

2:35 pm-12:45 pm

1 stop31h 10m

Incheon Intl

Mon 2/23

10:00 am-12:55 pm

1 stop41h 55m

$1,006

ChicagoSeoul

ORD - GMP

ORDGMP

Chicago O'Hare Intl

Mon 1/26

11:30 pm-7:15 pm

1 stop28h 45m

Seoul Gimpo Intl

Wed 2/25

8:15 pm-7:35 pm

1 stop38h 20m

$1,053

ChicagoIncheon

ORD - ICN

ORDICN

Chicago O'Hare Intl

Tue 1/27

3:44 pm-6:35 pm

2 stops35h 51m

Incheon Intl

Sat 2/28

8:35 pm-2:58 pm

2 stops57h 23m

$1,070

ChicagoIncheon

ORD - ICN

ORDICN

Chicago O'Hare Intl

Tue 1/27

2:35 pm-1:55 pm

1 stop32h 20m

Incheon Intl

Sat 2/28

1:45 pm-12:55 pm

1 stop38h 10m

$1,081

ChicagoIncheon

ORD - ICN

ORDICN

Chicago O'Hare Intl

Mon 2/2

2:35 pm-6:35 pm

1 stop37h 00m

Incheon Intl

Fri 2/13

10:00 am-12:55 pm

1 stop41h 55m

$1,154

ChicagoIncheon

ORD - ICN

ORDICN

Chicago O'Hare Intl

Thu 1/15

3:44 pm-6:35 pm

2 stops35h 51m

Incheon Intl

Thu 1/22

8:35 pm-2:29 pm

2 stops32h 54m

$1,158

ChicagoIncheon

MDW - ICN

MDWICN

Chicago Midway

Fri 5/8

7:40 pm-11:30 am

2 stops25h 50m

Incheon Intl

Sun 5/17

8:05 pm-5:50 am

2 stops23h 45m

$1,184

ChicagoIncheon

MDW - ICN

MDWICN

Chicago Midway

Tue 3/10

10:55 am-11:20 am

2 stops34h 25m

Incheon Intl

Sun 3/22

12:30 pm-9:45 pm

2 stops23h 15m

$1,193

ChicagoIncheon

MDW - ICN

MDWICN

Chicago Midway

Wed 3/11

10:55 am-11:20 am

2 stops34h 25m

Incheon Intl

Wed 3/18

12:30 pm-8:25 pm

2 stops21h 55m

$1,198

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 60 results
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Compare providers for flights from Chicago to Seoul

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Chicago to Seoul in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
AranGrantPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Chicago-Seoul flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Chicago-Seoul flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Chicago-Seoul flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Chicago-Seoul flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Chicago-Seoul flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Chicago to Seoul

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

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

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

The price you pay for your flight from Chicago to Seoul may vary depending on when you book. For the best chance of a lower fare, look to book 46 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 Chicago to Seoul?

Currently, October is the cheapest month in which you can book a flight from Chicago to Seoul (average of $201). Flying from Chicago to Seoul in June is currently the most expensive (average of $1,222). 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 SEL?

Find hourly flight availability from Chicago to Seoul. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2025.

It’s typically best to fly out from Chicago to Seoul at noon. Doing so could potentially save you 47% on the flight price compared to flying in the morning, which is usually more expensive.

Weekly flight availability from Chicago to Seoul

Explore weekly flight availability from Chicago to Seoul. 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 18, 2025.

The most flights from CHI to SEL 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 much does it cost to fly round-trip from Chicago to Seoul?

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

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

Taipei City (TPE) – chosen by Cheapflights users on 57% of 1-stop itineraries from Chicago to Seoul on Cheapflights.

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

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

Hong Kong (HKG) is the most affordable 1-stop option, with an average round-trip price of $784.

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

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

Flights via Toronto (YYZ) have the shortest average one-way travel time for 1-stop routes: 17h 55m.

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

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

Flights via Toronto (YYZ) offer the fastest connection on this route, with an average layover time of 1h 28m.

Reviews of airlines servicing Seoul

Get insights into the airlines that provide service to Seoul. 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 Seoul. Reviews last updated December 18, 2025.
See what other customers who have flown with EVA Air, Korean Air, and Delta from Chicago to Seoul have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.5
Very good
1,297 reviews

Crew

8.6

Boarding

8.4

Food

8.1

Overall

8.5

Entertainment

8.0

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

TPE - CRK

All was okay except for the medical emergency that happened before our boarding. I wish that the medical emergency response was more immediate.
EVA Air
8.5
Very good
1,297 reviews
EVA Air
8.5
Very good
1,297 reviews

Crew

8.6

Boarding

8.4

Food

8.1

Overall

8.5

Entertainment

8.0

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

TPE - CRK

All was okay except for the medical emergency that happened before our boarding. I wish that the medical emergency response was more immediate.
Korean Air
8.4
Very good
1,186 reviews
EVA Air
8.5
Very good
1,297 reviews

Crew

8.6

Boarding

8.4

Food

8.1

Overall

8.5

Entertainment

8.0

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

TPE - CRK

All was okay except for the medical emergency that happened before our boarding. I wish that the medical emergency response was more immediate.
Delta
7.9
Good
8,009 reviews
EVA Air
8.5
Very good
1,297 reviews

Crew

8.6

Boarding

8.4

Food

8.1

Overall

8.5

Entertainment

8.0

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

TPE - CRK

All was okay except for the medical emergency that happened before our boarding. I wish that the medical emergency response was more immediate.
Cathay Pacific
7.6
Good
1,095 reviews
EVA Air
8.5
Very good
1,297 reviews

Crew

8.6

Boarding

8.4

Food

8.1

Overall

8.5

Entertainment

8.0

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

TPE - CRK

All was okay except for the medical emergency that happened before our boarding. I wish that the medical emergency response was more immediate.
Air Canada
7.1
Good
10,534 reviews
EVA Air
8.5
Very good
1,297 reviews

Crew

8.6

Boarding

8.4

Food

8.1

Overall

8.5

Entertainment

8.0

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

TPE - CRK

All was okay except for the medical emergency that happened before our boarding. I wish that the medical emergency response was more immediate.

Related info for your journey

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

    Departing from Chicago to Seoul will take you 27h 55m. Chicago and Seoul are separated by a distance of 6517 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Chicago to Seoul round-trip?

    Delta, at $196, was found to be the cheapest airline from Chicago to Seoul.Alternate airlines to your destination round-trip include United Airlines and Cathay Pacific. Delta is currently priced 85% below the average price you’ll pay for this route.

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

    To fly one-way, consider booking your trip with WestJet, which is currently one of the cheapest options available, starting at $446. Turkish Airlines flights start at $491 while deals on American Airlines start at $504 one-way.

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

    Most travelers choose Chicago O'Hare Intl - Incheon Intl, Chicago O'Hare Intl - Seoul Gimpo Intl or Chicago Midway - Incheon Intl when deciding on the best route from Chicago to Seoul.

  • What are the most reliable airlines from Chicago to Seoul?

    Before booking your flight to Seoul 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 Seoul?

    On average you can expect to pay $2,278 for a flight from Chicago to Seoul. The cheapest flight overall is $417 while the most popular route, (Chicago O'Hare Intl - Incheon Intl) is currently priced at $791.

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

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

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

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

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

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

    Currently, October is the cheapest month in which you can book a flight from Chicago to Seoul (average of $201). Flying from Chicago to Seoul in June is currently the most expensive (average of $1,222). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 9 airlines flying from Chicago to Seoul

Discover the top 9 airlines that operate flights from Chicago to Seoul. 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 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$194Average$1,881FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$287Average$1,476FlexibilityNo cancel feeOn-time69%
Cathay PacificCheapest$639Average$899FlexibilityNo cancel feeOn-time72%
Turkish AirlinesCheapest$849Average$1,076FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$926Average$1,231FlexibilityNo cancel feeOn-time71%
EVA AirCheapest$1,003Average$1,310FlexibilityNo cancel feeOn-time74%
Air CanadaCheapest$1,095Average$1,336FlexibilityNo cancel feeOn-time67%
FinnairCheapest$1,110Average$1,375FlexibilityNo cancel feeOn-time76%
Korean AirCheapest$1,503Average$1,893FlexibilityNo cancel feeOn-time81%

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