HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Seoul

$459+ 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 4/22. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — SEL
Mar 5 — Mar 121
Thu 3/5
Thu 3/12
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Chicago to Seoul with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.
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 February 3, 2026.

This eDestinos deal was found by Cheapflights users on 2/1. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/22:35 pm
ORD
-
ICN
1 stop32h 20m
Cathay Pacific
Mon 11/93:00 pm
ICN
-
ORD
1 stop36h 55m
Cathay Pacific
Deal found 2/1$776
This Justfly.com deal was found by Cheapflights users on 2/1. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/211:50 am
ORD
-
ICN
1 stop39h 30m
Turkish Airlines
Wed 3/1112:10 am
ICN
-
ORD
1 stop24h 55m
Turkish Airlines
Deal found 2/1$819
This Justfly.com deal was found by Cheapflights users on 2/1. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/248:20 pm
ORD
-
ICN
1 stop31h 00m
Turkish Airlines
Fri 3/610:45 am
ICN
-
ORD
1 stop38h 20m
Turkish Airlines
Deal found 2/1$828
This FlightHub deal was found by Cheapflights users on 2/2. 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.
Mon 3/28:20 pm
ORD
-
ICN
1 stop31h 00m
Turkish Airlines
Tue 3/1012:10 am
ICN
-
ORD
1 stop24h 55m
Turkish Airlines
Deal found 2/2$829
This oojo deal was found by Cheapflights users on 2/1. 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.
Tue 3/311:50 am
ORD
-
ICN
1 stop39h 30m
Turkish Airlines
Mon 3/912:10 am
ICN
-
ORD
1 stop24h 55m
Turkish Airlines
Deal found 2/1$839
This oojo deal was found by Cheapflights users on 2/2. 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.
Thu 3/58:20 pm
ORD
-
ICN
1 stop31h 00m
Turkish Airlines
Wed 3/1812:10 am
ICN
-
ORD
1 stop24h 55m
Turkish Airlines
Deal found 2/2$843
This Justfly.com deal was found by Cheapflights users on 2/1. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/39:20 pm
ORD
-
ICN
1 stop30h 00m
Turkish Airlines
Fri 11/1310:45 am
ICN
-
ORD
1 stop46h 40m
Turkish Airlines
Deal found 2/1$846
This Gotogate deal was found by Cheapflights users on 2/1. 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.
Thu 10/14:15 pm
ORD
-
ICN
1 stop42h 10m
Cathay Pacific
Sun 10/113:10 pm
ICN
-
ORD
1 stop36h 45m
Cathay Pacific
Deal found 2/1$847
This Gotogate deal was found by Cheapflights users on 2/1. 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.
Thu 9/34:00 pm
ORD
-
ICN
1 stop37h 05m
Cathay Pacific
Sun 9/1310:10 am
ICN
-
ORD
1 stop42h 10m
Cathay Pacific
Deal found 2/1$849
This Gotogate deal was found by Cheapflights users on 2/1. 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.
Thu 4/234:15 pm
ORD
-
ICN
1 stop36h 50m
Cathay Pacific
Sun 5/310:10 am
ICN
-
ORD
1 stop41h 45m
Cathay Pacific
Deal found 2/1$853
This oojo deal was found by Cheapflights users on 2/1. 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.
Mon 4/134:15 pm
ORD
-
ICN
1 stop36h 50m
Cathay Pacific
Wed 4/221:55 am
ICN
-
ORD
1 stop26h 00m
Cathay Pacific
Deal found 2/1$854
This Justfly.com deal was found by Cheapflights users on 2/1. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/89:20 pm
ORD
-
ICN
1 stop31h 00m
Turkish Airlines
Mon 3/1610:45 am
ICN
-
ORD
1 stop38h 20m
Turkish Airlines
Deal found 2/1$856

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 February 3, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$819
(Justfly.com)

One-way from

$459
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$994

Good round-trip deal

$802 or less

Good one-way deal

$458 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, 2% potential price rise
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($71 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 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 February 3, 2026.
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 4/13

2:10 pm-9:15 pm

1 stop17h 05m

Seoul Gimpo Intl

Mon 4/20

8:00 am-10:45 am

1 stop16h 45m

$1,060

ChicagoSeoul

ORD - GMP

ORDGMP

Chicago O'Hare Intl

Tue 4/7

2:10 pm-10:40 am

1 stop30h 30m

Seoul Gimpo Intl

Mon 4/20

8:00 am-10:45 am

1 stop16h 45m

$1,088

ChicagoSeoul

ORD - GMP

ORDGMP

Chicago O'Hare Intl

Sun 5/3

8:48 pm-6:10 pm

2 stops31h 22m

Seoul Gimpo Intl

Wed 5/13

8:20 pm-9:00 pm

1 stop38h 40m

$1,158

ChicagoSeoul

ORD - GMP

ORDGMP

Chicago O'Hare Intl

Thu 5/14

7:00 am-12:50 pm

2 stops39h 50m

Seoul Gimpo Intl

Tue 6/9

7:15 pm-9:00 pm

1 stop39h 45m

$1,162

ChicagoSeoul

ORD - GMP

ORDGMP

Chicago O'Hare Intl

Sun 3/29

1:05 am-10:40 am

1 stop19h 35m

Seoul Gimpo Intl

Mon 4/27

8:00 am-10:45 am

1 stop16h 45m

$1,162

ChicagoIncheon

ORD - ICN

ORDICN

Chicago O'Hare Intl

Wed 4/22

7:15 pm-11:30 am

2 stops26h 15m

Incheon Intl

Sat 5/9

8:05 pm-6:40 am

2 stops24h 35m

$1,176

ChicagoSeoul

ORD - GMP

ORDGMP

Chicago O'Hare Intl

Fri 3/6

5:40 pm-10:05 pm

1 stop37h 25m

Seoul Gimpo Intl

Wed 3/18

7:40 pm-8:35 am

1 stop26h 55m

$1,186

ChicagoSeoul

ORD - GMP

ORDGMP

Chicago O'Hare Intl

Wed 3/4

5:40 pm-6:20 pm

1 stop33h 40m

Seoul Gimpo Intl

Sun 3/8

7:40 pm-9:29 pm

2 stops39h 49m

$1,189

ChicagoIncheon

MDW - ICN

MDWICN

Chicago Midway

Wed 4/15

6:50 pm-11:30 am

2 stops26h 40m

Incheon Intl

Wed 4/29

12:45 pm-11:20 pm

2 stops24h 35m

$1,208

ChicagoSeoul

ORD - GMP

ORDGMP

Chicago O'Hare Intl

Mon 4/13

2:10 pm-9:15 pm

1 stop17h 05m

Seoul Gimpo Intl

Sat 4/18

8:00 am-10:45 am

1 stop16h 45m

$1,217

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/1

Showing 1-10 of 58 results
1
2
3
...
6

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 February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars
OvagoPrice Accuracy2 starsTrust Score*3 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Chicago-Seoul flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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 January 30, 2026.

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 $205). Flying from Chicago to Seoul in June is currently the most expensive (average of $1,129). 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 February 3, 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Chicago to Seoul as you normally would.

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 February 3, 2026.

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).

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 45% 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 42m.

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 24m.

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 February 3, 2026.
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
1,342 reviews

Food

8.1

Crew

8.6

Boarding

8.4

Overall

8.5

Entertainment

8.0

Comfort

8.3

Reviews

1 / 20
6.0
Good

Hannah,Jan 2026

TPE - SFO

I like the flight attendants the most. The are very helpful.
EVA Air
8.5
Very good
1,342 reviews
EVA Air
8.5
Very good
1,342 reviews

Food

8.1

Crew

8.6

Boarding

8.4

Overall

8.5

Entertainment

8.0

Comfort

8.3

Reviews

1 / 20
6.0
Good

Hannah,Jan 2026

TPE - SFO

I like the flight attendants the most. The are very helpful.
Korean Air
8.4
Very good
1,188 reviews
EVA Air
8.5
Very good
1,342 reviews

Food

8.1

Crew

8.6

Boarding

8.4

Overall

8.5

Entertainment

8.0

Comfort

8.3

Reviews

1 / 20
6.0
Good

Hannah,Jan 2026

TPE - SFO

I like the flight attendants the most. The are very helpful.
Delta
7.9
Good
8,138 reviews
EVA Air
8.5
Very good
1,342 reviews

Food

8.1

Crew

8.6

Boarding

8.4

Overall

8.5

Entertainment

8.0

Comfort

8.3

Reviews

1 / 20
6.0
Good

Hannah,Jan 2026

TPE - SFO

I like the flight attendants the most. The are very helpful.
Cathay Pacific
7.6
Good
1,157 reviews
EVA Air
8.5
Very good
1,342 reviews

Food

8.1

Crew

8.6

Boarding

8.4

Overall

8.5

Entertainment

8.0

Comfort

8.3

Reviews

1 / 20
6.0
Good

Hannah,Jan 2026

TPE - SFO

I like the flight attendants the most. The are very helpful.
Air Canada
7.1
Good
10,680 reviews
EVA Air
8.5
Very good
1,342 reviews

Food

8.1

Crew

8.6

Boarding

8.4

Overall

8.5

Entertainment

8.0

Comfort

8.3

Reviews

1 / 20
6.0
Good

Hannah,Jan 2026

TPE - SFO

I like the flight attendants the most. The are very helpful.

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 17h 05m. 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 $194, 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. American Airlines flights start at $468 while deals on Turkish Airlines start at $491 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 (60%), Atlas Air (56%), Korean Air( 48%).

  • What are the cheapest flights from Chicago to Seoul?

    On average you can expect to pay $2,040 for a flight from Chicago to Seoul. The cheapest flight overall is $375 while the most popular route, (Chicago O'Hare Intl - Incheon Intl) is currently priced at $819.

  • 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 $205). Flying from Chicago to Seoul in June is currently the most expensive (average of $1,129). 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 February 3, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$194Average$1,882FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$287Average$1,995FlexibilityNo cancel feeOn-time69%
Cathay PacificCheapest$639Average$918FlexibilityNo cancel feeOn-time72%
Turkish AirlinesCheapest$877Average$1,123FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$916Average$1,440FlexibilityNo cancel feeOn-time71%
EVA AirCheapest$1,003Average$1,261FlexibilityNo cancel feeOn-time74%
Air CanadaCheapest$1,095Average$1,321FlexibilityNo cancel feeOn-time67%
FinnairCheapest$1,259Average$1,411FlexibilityNo cancel feeOn-time76%
Korean AirCheapest$1,557Average$1,911FlexibilityNo cancel feeOn-time81%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.