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$379+ 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 9/9. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — SEL
Aug 4 — Aug 111
Mon 8/4
Mon 8/11
1 adult, Economy
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Cheapflights Tip: The best prices from Chicago to Seoul are usually found in January or March, booked 18 days in advance, depart on a Monday or Tuesday and return on a Tuesday

Cheap 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 July 30, 2025.

Round-trip from

$760
(oojo)

One-way from

$379
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$1,674

Good round-trip deal

$834 or less

Good one-way deal

$458 or less
From Chicago (CHI) to Seoul (SEL)
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One-way flight from Chicago (CHI) to Seoul (SEL)
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Highest demand for flights based on searches. 2% potential increase in price ($38 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($54 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Price to beat on a round-trip flight from Chicago (CHI) to Seoul (SEL).
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Price to beat on a one-way flight from Chicago (CHI) to Seoul (SEL).
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Find 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 July 30, 2025.

This oojo deal was found by Cheapflights users on 7/28. 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 9/84:00 pmORD - ICN
1 stop30h 40mCathay Pacific
Mon 9/223:10 pmICN - ORD
1 stop37h 15mCathay Pacific
Deal found 7/28$760
This Kiwi.com deal was found by Cheapflights users on 7/27. 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 9/305:30 pmORD - ICN
1 stop35h 15mMultiple Airlines
Sat 10/119:05 pmICN - ORD
2 stops33h 38mMultiple Airlines
Deal found 7/27$864
This oojo deal was found by Cheapflights users on 7/28. 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 9/112:30 amORD - GMP
1 stop28h 45mEVA Air
Tue 10/147:15 pmGMP - ORD
1 stop39h 30mEVA Air
Deal found 7/28$1,084
This Mytrip deal was found by Cheapflights users on 7/28. 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.
Thu 9/1112:54 pmORD - GMP
2 stops34h 11mMultiple Airlines
Thu 9/182:25 pmGMP - ORD
2 stops35h 34mMultiple Airlines
Deal found 7/28$1,110
This Gurufare deal was found by Cheapflights users on 7/30. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/292:35 pmORD - GMP
2 stops32h 30mAir China
Fri 9/52:25 pmGMP - ORD
2 stops46h 47mAir China
Deal found 7/30$1,423
This Kiwi.com deal was found by Cheapflights users on 7/29. 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 9/127:15 amMDW - ICN
1 stop19h 25mMultiple Airlines
Fri 9/199:30 amICN - MDW
1 stop17h 41mMultiple Airlines
Deal found 7/29$1,477
This Cheapflightsfares deal was found by Cheapflights users on 7/29. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/19:20 amMDW - ICN
2 stops19h 25mWestJet
Sat 10/118:45 pmICN - MDW
2 stops26h 55mWestJet
Deal found 7/29$1,515
This ScholarTrip deal was found by Cheapflights users on 7/29. 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 ScholarTrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/99:30 amMDW - ICN
1 stop16h 55mKorean Air
Tue 9/1610:15 amICN - MDW
1 stop16h 13mKorean Air
Deal found 7/29$1,780
This deal was found by Cheapflights users on 7/29. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/69:20 amMDW - ICN
1 stop18h 00mDelta
Thu 10/234:25 pmICN - MDW
1 stop19h 49mDelta
Deal found 7/29$1,796

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 July 30, 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

ChicagoIncheon

ORD - ICN

ORDICN

Chicago O'Hare Intl

Mon 9/8

4:00 pm-12:40 pm

1 stop30h 40m

Incheon Intl

Mon 9/22

3:10 pm-2:25 pm

1 stop37h 15m

$760

ChicagoIncheon

ORD - ICN

ORDICN

Chicago O'Hare Intl

Tue 9/30

5:30 pm-6:45 pm

1 stop35h 15m

Incheon Intl

Sat 10/11

9:05 pm-4:43 pm

2 stops33h 38m

$864

ChicagoSeoul

ORD - GMP

ORDGMP

Chicago O'Hare Intl

Mon 9/1

12:30 am-7:15 pm

1 stop28h 45m

Seoul Gimpo Intl

Tue 10/14

7:15 pm-8:45 pm

1 stop39h 30m

$1,084

ChicagoSeoul

ORD - GMP

ORDGMP

Chicago O'Hare Intl

Thu 9/11

12:54 pm-1:05 pm

2 stops34h 11m

Seoul Gimpo Intl

Thu 9/18

2:25 pm-11:59 am

2 stops35h 34m

$1,110

ChicagoSeoul

ORD - GMP

ORDGMP

Chicago O'Hare Intl

Fri 8/29

2:35 pm-1:05 pm

2 stops32h 30m

Seoul Gimpo Intl

Fri 9/5

2:25 pm-11:12 pm

2 stops46h 47m

$1,423

ChicagoIncheon

MDW - ICN

MDWICN

Chicago Midway

Fri 9/12

7:15 am-4:40 pm

1 stop19h 25m

Incheon Intl

Fri 9/19

9:30 am-1:11 pm

1 stop17h 41m

$1,477

ChicagoIncheon

MDW - ICN

MDWICN

Chicago Midway

Wed 10/1

9:20 am-6:45 pm

2 stops19h 25m

Incheon Intl

Sat 10/11

8:45 pm-9:40 am

2 stops26h 55m

$1,515

ChicagoIncheon

MDW - ICN

MDWICN

Chicago Midway

Tue 9/9

9:30 am-4:25 pm

1 stop16h 55m

Incheon Intl

Tue 9/16

10:15 am-12:28 pm

1 stop16h 13m

$1,780

ChicagoIncheon

MDW - ICN

MDWICN

Chicago Midway

Mon 10/6

9:20 am-5:20 pm

1 stop18h 00m

Incheon Intl

Thu 10/23

4:25 pm-10:14 pm

1 stop19h 49m

$1,796

ChicagoIncheon

ORD - ICN

ORDICN

Chicago O'Hare Intl

Tue 9/9

5:30 pm-6:45 pm

1 stop35h 15m

$379

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

Showing 1-10 of 22 results
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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 July 25, 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 18 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, February is the cheapest month in which you can book a flight from Chicago to Seoul (average of $998). Flying from Chicago to Seoul in December is currently the most expensive (average of $1,635). 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 July 30, 2025.

It’s typically best to fly out from Chicago to Seoul in the morning. Doing so could potentially save you 18% on the flight price compared to flying in the afternoon, 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 July 30, 2025.

The most flights from CHI to SEL are scheduled on a Monday (2 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (1 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 80% 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.

Taipei City (TPE) is the most affordable 1-stop option, with an average round-trip price of $1,259.

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 July 30, 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
8.4
Very good
1,222 reviews

Crew

8.6

Boarding

8.4

Comfort

8.3

Overall

8.4

Entertainment

8.0

Food

8.1

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
EVA Air
8.4
Very good
1,222 reviews
EVA Air
8.4
Very good
1,222 reviews

Crew

8.6

Boarding

8.4

Comfort

8.3

Overall

8.4

Entertainment

8.0

Food

8.1

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Korean Air
8.4
Very good
1,121 reviews
EVA Air
8.4
Very good
1,222 reviews

Crew

8.6

Boarding

8.4

Comfort

8.3

Overall

8.4

Entertainment

8.0

Food

8.1

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Delta
8.0
Very good
7,980 reviews
EVA Air
8.4
Very good
1,222 reviews

Crew

8.6

Boarding

8.4

Comfort

8.3

Overall

8.4

Entertainment

8.0

Food

8.1

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
KLM
7.8
Good
1,383 reviews
EVA Air
8.4
Very good
1,222 reviews

Crew

8.6

Boarding

8.4

Comfort

8.3

Overall

8.4

Entertainment

8.0

Food

8.1

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Cathay Pacific
7.6
Good
949 reviews
EVA Air
8.4
Very good
1,222 reviews

Crew

8.6

Boarding

8.4

Comfort

8.3

Overall

8.4

Entertainment

8.0

Food

8.1

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

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.

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

    Cathay Pacific, at $760, was found to be the cheapest airline from Chicago to Seoul.Alternate airlines to your destination round-trip include EVA Air and Air China. Cathay Pacific is currently priced 48% 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 $379. Turkish Airlines flights start at $493 while deals on Cathay Pacific start at $502 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 (88%), Korean Air (81%), Atlas Air( 25%).

  • What are the cheapest flights from Chicago to Seoul?

    On average you can expect to pay $2,179 for a flight from Chicago to Seoul. The cheapest flight overall is $382 while the most popular route, (Chicago O'Hare Intl - Incheon Intl) is currently priced at $727.

  • 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, February is the cheapest month in which you can book a flight from Chicago to Seoul (average of $998). Flying from Chicago to Seoul in December is currently the most expensive (average of $1,635). 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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Top 10 airlines flying from Chicago to Seoul

Discover the top 10 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 July 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$660Average$1,016FlexibilityNo cancel feeOn-time69%
Cathay PacificCheapest$805Average$928FlexibilityNo cancel feeOn-time72%
Turkish AirlinesCheapest$848Average$1,035FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$891Average$1,299FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$906Average$965FlexibilityNo cancel feeOn-time71%
EVA AirCheapest$1,080Average$1,343FlexibilityNo cancel feeOn-time74%
DeltaCheapest$1,097Average$1,909FlexibilityNo cancel feeOn-timeN/A
FinnairCheapest$1,110Average$1,394FlexibilityNo cancel feeOn-time76%
Asiana AirlinesCheapest$1,271Average$1,405FlexibilityNo cancel feeOn-time76%
Korean AirCheapest$1,505Average$1,860FlexibilityNo cancel feeOn-time81%

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