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$397+ 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 9/17. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — SEL
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from Chicago to Seoul are usually found in January or October, booked 40 days in advance, depart on a Tuesday or Monday and return on a Monday

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 junio 12, 2025.

Round-trip from

$1,086
(oojo)

One-way from

$404
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$1,592

Good round-trip deal

$823 or less

Good one-way deal

$449 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. 5% potential increase in price ($87 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($58 potential savings vs. average RT price).
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Average for round-trip flights in June 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 junio 12, 2025.

This oojo deal was found by Cheapflights users on 6/10. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 8/1012:30 amORD - GMP
1 stop27h 40mEVA Air
mar. 3/107:00 pmGMP - ORD
1 stop39h 35mEVA Air
Deal found 6/10$1,086
This oojo deal was found by Cheapflights users on 6/10. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/211:05 amORD - GMP
1 stop19h 40mJapan Airlines
mié. 10/297:50 amGMP - ORD
1 stop14h 35mJapan Airlines
Deal found 6/10$1,131
This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 7/96:40 amORD - ICN
2 stops23h 00mMultiple Airlines
mar. 7/228:10 amICN - ORD
3 stops35h 53mMultiple Airlines
Deal found 6/10$1,229
This WestJet deal was found by Cheapflights users on 6/9. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 7/231:40 pmORD - ICN
2 stops39h 05mWestJet
lun. 7/288:45 pmICN - ORD
1 stop33h 59mWestJet
Deal found 6/9$1,231
This Orbitz deal was found by Cheapflights users on 6/10. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 7/99:14 pmORD - ICN
2 stops28h 51mAir Canada
mar. 7/226:00 pmICN - ORD
2 stops29h 09mAir Canada
Deal found 6/10$1,234
This Gotogate deal was found by Cheapflights users on 6/10. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/161:05 amORD - GMP
1 stop19h 40mMultiple Airlines
mar. 9/237:15 pmGMP - ORD
1 stop39h 30mMultiple Airlines
Deal found 6/10$1,234
This Gurufare deal was found by Cheapflights users on 6/10. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 8/144:00 pmORD - ICN
1 stop39h 10mCathay Pacific
jue. 8/288:05 pmICN - ORD
1 stop32h 20mCathay Pacific
Deal found 6/10$1,258
This oojo deal was found by Cheapflights users on 6/10. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 8/1412:30 amORD - ICN
1 stop20h 30mEVA Air
vie. 8/2912:00 pmICN - ORD
1 stop23h 10mEVA Air
Deal found 6/10$1,263
This Alaska Airlines deal was found by Cheapflights users on 6/11. 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.
dom. 10/56:00 amORD - ICN
1 stop22h 35mAlaska Airlines
vie. 10/108:35 pmICN - ORD
1 stop23h 46mAlaska Airlines
Deal found 6/11$1,300
This FlightHub deal was found by Cheapflights users on 6/12. 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.
mié. 6/257:50 pmORD - ICN
1 stop22h 50mTurkish Airlines
vie. 7/1110:20 amICN - ORD
1 stop37h 20mTurkish Airlines
Deal found 6/12$1,332
This Gotogate deal was found by Cheapflights users on 6/10. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 7/219:40 pmORD - ICN
1 stop42h 45mLOT
mié. 8/138:15 amICN - ORD
1 stop42h 05mLOT
Deal found 6/10$1,340
This Cheapflightsfares deal was found by Cheapflights users on 6/12. 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.
lun. 9/89:15 amMDW - ICN
2 stops19h 30mWestJet
lun. 9/228:45 pmICN - MDW
2 stops27h 06mWestJet
Deal found 6/12$1,571

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 junio 12, 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

dom. 8/10

12:30 am-6:10 pm

1 stop27h 40m

Seoul Gimpo Intl

mar. 3/10

7:00 pm-8:35 pm

1 stop39h 35m

$1,086

ChicagoIncheon

ORD - ICN

ORDICN

Chicago O'Hare Intl

mié. 7/9

6:40 am-7:40 pm

2 stops23h 00m

Incheon Intl

mar. 7/22

8:10 am-6:03 am

3 stops35h 53m

$1,229

ChicagoIncheon

ORD - ICN

ORDICN

Chicago O'Hare Intl

mié. 7/23

1:40 pm-6:45 pm

2 stops39h 05m

Incheon Intl

lun. 7/28

8:45 pm-4:44 pm

1 stop33h 59m

$1,231

ChicagoIncheon

ORD - ICN

ORDICN

Chicago O'Hare Intl

mié. 7/9

9:14 pm-4:05 pm

2 stops28h 51m

Incheon Intl

mar. 7/22

6:00 pm-9:09 am

2 stops29h 09m

$1,234

ChicagoIncheon

ORD - ICN

ORDICN

Chicago O'Hare Intl

jue. 8/14

4:00 pm-9:10 pm

1 stop39h 10m

Incheon Intl

jue. 8/28

8:05 pm-2:25 pm

1 stop32h 20m

$1,258

ChicagoIncheon

ORD - ICN

ORDICN

Chicago O'Hare Intl

jue. 8/14

12:30 am-11:00 am

1 stop20h 30m

Incheon Intl

vie. 8/29

12:00 pm-9:10 pm

1 stop23h 10m

$1,263

ChicagoIncheon

ORD - ICN

ORDICN

Chicago O'Hare Intl

dom. 10/5

6:00 am-6:35 pm

1 stop22h 35m

Incheon Intl

vie. 10/10

8:35 pm-6:21 am

1 stop23h 46m

$1,300

ChicagoIncheon

ORD - ICN

ORDICN

Chicago O'Hare Intl

mié. 6/25

7:50 pm-8:40 am

1 stop22h 50m

Incheon Intl

vie. 7/11

10:20 am-9:40 am

1 stop37h 20m

$1,332

ChicagoIncheon

ORD - ICN

ORDICN

Chicago O'Hare Intl

lun. 7/21

9:40 pm-6:25 am

1 stop42h 45m

Incheon Intl

mié. 8/13

8:15 am-12:20 pm

1 stop42h 05m

$1,340

ChicagoSeoul

ORD - GMP

ORDGMP

Chicago O'Hare Intl

mar. 9/2

1:05 am-10:45 am

1 stop19h 40m

Seoul Gimpo Intl

mié. 9/17

7:55 am-9:05 am

1 stop15h 10m

$1,399

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 36 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 June 9, 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 40 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 $1,000). 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 junio 12, 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 junio 12, 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).

Rainfall in Seoul by month

Plan your trip to Seoul by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Seoul ranges from 1.1 - 10.0 inches per month. July is typically the wettest month, when rainfall can reach 10.0 in. December is typically the driest time to visit Seoul when rainfall is around 1.1 in.

Temperature in Seoul by month

Plan your trip to Seoul by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Seoul, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

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 junio 12, 2025.
Peruse reviews from past customers who have flown with EVA Air, Korean Air and Japan Airlines from Chicago to Seoul to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very good
1,202 reviews

Food

8.1

Boarding

8.4

Comfort

8.3

Overall

8.4

Entertainment

8.0

Crew

8.6

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
1,202 reviews
EVA Air
8.4
Very good
1,202 reviews

Food

8.1

Boarding

8.4

Comfort

8.3

Overall

8.4

Entertainment

8.0

Crew

8.6

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
1,088 reviews
EVA Air
8.4
Very good
1,202 reviews

Food

8.1

Boarding

8.4

Comfort

8.3

Overall

8.4

Entertainment

8.0

Crew

8.6

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
Japan Airlines
8.3
Very good
1,489 reviews
EVA Air
8.4
Very good
1,202 reviews

Food

8.1

Boarding

8.4

Comfort

8.3

Overall

8.4

Entertainment

8.0

Crew

8.6

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
China Airlines
8.3
Very good
738 reviews
EVA Air
8.4
Very good
1,202 reviews

Food

8.1

Boarding

8.4

Comfort

8.3

Overall

8.4

Entertainment

8.0

Crew

8.6

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
ANA
8.3
Very good
882 reviews
EVA Air
8.4
Very good
1,202 reviews

Food

8.1

Boarding

8.4

Comfort

8.3

Overall

8.4

Entertainment

8.0

Crew

8.6

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?

    EVA Air, at $1,086, was found to be the cheapest airline from Chicago to Seoul.Alternate airlines to your destination round-trip include WestJet and Air Canada. EVA Air is currently priced 26% 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 $404. Turkish Airlines flights start at $519 while deals on Air Canada start at $587 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 (78%), Korean Air (72%), Atlas Air( 23%).

  • What are the cheapest flights from Chicago to Seoul?

    On average you can expect to pay $2,407 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 $849.

  • 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 $1,000). 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

Browse thousands of different options on Cheapflights for your next trip

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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 junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$660Average$1,016FlexibilityNo cancel feeOn-time69%
Cathay PacificCheapest$805Average$937FlexibilityNo cancel feeOn-time72%
Turkish AirlinesCheapest$848Average$1,064FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$891Average$1,319FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$906Average$971FlexibilityNo cancel feeOn-time71%
EVA AirCheapest$1,079Average$1,293FlexibilityNo cancel feeOn-time74%
FinnairCheapest$1,110Average$1,503FlexibilityNo cancel feeOn-time76%
Asiana AirlinesCheapest$1,271Average$1,405FlexibilityNo cancel feeOn-time76%
DeltaCheapest$1,271Average$1,873FlexibilityNo cancel feeOn-timeN/A
Korean AirCheapest$1,514Average$1,848FlexibilityNo cancel feeOn-time81%

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