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$413+ 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 9/4. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — SEL
Apr 22 — Apr 291
Tue 4/22
Tue 4/29
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 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 April 17, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$1,129
(Kiwi.com)

One-way from

$433
(Mytrip)

Popular in

December

Cheapest in

January

Average price

$1,331

Good round-trip deal

$912 or less

Good one-way deal

$533 or less
Provider with most accurate pricing for Chicago (CHI)-Seoul (SEL) flight deals.
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Provider most trusted by Cheapflights users for Chicago (CHI)-Seoul (SEL) flights.
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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. 6% potential increase in price ($102 potential increase over avg. RT price).
Search Deals
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 April 2025
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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).
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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 April 17, 2025.

This Justfly.com deal was found by Cheapflights users on 4/16. 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.
Thu 10/2312:30 amORD - ICN
1 stop28h 15mEVA Air
Mon 11/311:40 amICN - ORD
1 stop22h 55mEVA Air
Deal found 4/16$1,126
This Kiwi.com deal was found by Cheapflights users on 4/15. 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 5/612:30 amORD - ICN
1 stop28h 15mMultiple Airlines
Wed 5/146:20 pmICN - ORD
2 stops31h 23mMultiple Airlines
Deal found 4/15$1,129
This oojo deal was found by Cheapflights users on 4/17. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/266:50 pmORD - GMP
2 stops27h 00mEVA Air
Wed 12/38:15 pmGMP - ORD
1 stop38h 20mEVA Air
Deal found 4/17$1,132
This Kiwi.com deal was found by Cheapflights users on 4/16. 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 4/244:00 pmORD - ICN
1 stop32h 05mCathay Pacific
Wed 4/303:10 pmICN - ORD
1 stop37h 15mCathay Pacific
Deal found 4/16$1,136
This WestJet deal was found by Cheapflights users on 4/16. 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.
Wed 9/35:30 pmORD - ICN
1 stop35h 15mWestJet
Tue 9/238:45 pmICN - ORD
2 stops29h 54mWestJet
Deal found 4/16$1,156
This Turkish Airlines deal was found by Cheapflights users on 4/16. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/157:50 pmORD - ICN
1 stop31h 50mTurkish Airlines
Mon 9/110:20 amICN - ORD
1 stop25h 40mTurkish Airlines
Deal found 4/16$1,160
This Trip.com deal was found by Cheapflights users on 4/17. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/217:25 amMDW - ICN
2 stops23h 05mMultiple Airlines
Wed 4/236:20 pmICN - MDW
2 stops32h 11mMultiple Airlines
Deal found 4/17$1,244
This Jetabroad deal was found by Cheapflights users on 4/16. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/179:20 amMDW - ICN
2 stops19h 25mWestJet
Tue 9/238:45 pmICN - MDW
2 stops27h 06mWestJet
Deal found 4/16$1,446
This Gurufare deal was found by Cheapflights users on 4/17. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/255:45 pmORD - GMP
1 stop34h 50mANA
Tue 9/97:55 pmGMP - ORD
1 stop26h 45mANA
Deal found 4/17$1,607
This Mytrip deal was found by Cheapflights users on 4/17. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/112:30 amORD - GMP
2 stops29h 50mMultiple Airlines
Sat 5/171:50 pmGMP - ORD
2 stops30h 52mMultiple Airlines
Deal found 4/17$1,652
This KLM deal was found by Cheapflights users on 4/16. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/36:45 pmMDW - ICN
2 stops31h 40mKLM
Mon 5/1910:25 pmICN - MDW
2 stops30h 55mKLM
Deal found 4/16$1,725
This oojo deal was found by Cheapflights users on 4/17. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/241:30 amORD - GMP
1 stop19h 15mJapan Airlines
Tue 9/97:20 pmGMP - ORD
1 stop27h 45mJapan Airlines
Deal found 4/17$1,756

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 April 17, 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

Tue 5/6

12:30 am-6:45 pm

1 stop28h 15m

Incheon Intl

Wed 5/14

6:20 pm-11:43 am

2 stops31h 23m

$1,129

ChicagoIncheon

ORD - ICN

ORDICN

Chicago O'Hare Intl

Fri 5/2

12:30 am-11:00 am

1 stop20h 30m

Incheon Intl

Mon 5/19

12:00 pm-9:00 pm

1 stop23h 00m

$1,130

ChicagoIncheon

ORD - ICN

ORDICN

Chicago O'Hare Intl

Fri 9/19

7:50 pm-5:40 pm

1 stop31h 50m

Incheon Intl

Fri 10/3

11:20 pm-10:00 pm

1 stop36h 40m

$1,137

ChicagoIncheon

ORD - ICN

ORDICN

Chicago O'Hare Intl

Fri 5/2

4:00 pm-7:05 pm

1 stop37h 05m

Incheon Intl

Thu 5/8

1:40 pm-2:25 pm

1 stop38h 45m

$1,146

ChicagoIncheon

ORD - ICN

ORDICN

Chicago O'Hare Intl

Wed 9/3

5:30 pm-6:45 pm

1 stop35h 15m

Incheon Intl

Fri 9/19

8:45 pm-12:39 pm

2 stops29h 54m

$1,156

ChicagoIncheon

ORD - ICN

ORDICN

Chicago O'Hare Intl

Sat 9/27

1:23 pm-11:20 am

2 stops31h 57m

Incheon Intl

Sat 10/25

9:50 pm-5:14 am

2 stops45h 24m

$1,273

ChicagoSeoul

ORD - GMP

ORDGMP

Chicago O'Hare Intl

Tue 5/13

6:58 pm-12:50 pm

2 stops51h 52m

Seoul Gimpo Intl

Sat 5/17

1:50 pm-9:00 pm

1 stop21h 10m

$1,282

ChicagoIncheon

ORD - ICN

ORDICN

Chicago O'Hare Intl

Tue 5/13

9:40 pm-6:25 am

1 stop42h 45m

Incheon Intl

Thu 6/12

8:15 am-7:40 pm

1 stop25h 25m

$1,324

ChicagoIncheon

MDW - ICN

MDWICN

Chicago Midway

Wed 9/17

9:20 am-6:45 pm

2 stops19h 25m

Incheon Intl

Tue 9/23

8:45 pm-9:51 am

2 stops27h 06m

$1,446

ChicagoSeoul

ORD - GMP

ORDGMP

Chicago O'Hare Intl

Thu 5/1

12:30 am-8:20 pm

2 stops29h 50m

Seoul Gimpo Intl

Sat 5/17

1:50 pm-6:42 am

2 stops30h 52m

$1,652

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/16

Showing 1-10 of 37 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 April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 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 AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Chicago-Seoul flight deals on Cheapflights vs. AranGrant >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 AranGrant the most. AranGrant 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 April 11, 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 $1,001). Flying from Chicago to Seoul in June is currently the most expensive (average of $1,650). 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 April 17, 2025.

It’s typically best to fly out from Chicago to Seoul in the evening. Doing so could potentially save you 34% 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 April 17, 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 April 17, 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
1,177 reviews

Food

8.1

Comfort

8.3

Entertainment

8.0

Boarding

8.4

Overall

8.4

Crew

8.6

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
EVA Air
8.4
Very good
1,177 reviews
EVA Air
8.4
Very good
1,177 reviews

Food

8.1

Comfort

8.3

Entertainment

8.0

Boarding

8.4

Overall

8.4

Crew

8.6

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
Korean Air
8.4
Very good
1,064 reviews
EVA Air
8.4
Very good
1,177 reviews

Food

8.1

Comfort

8.3

Entertainment

8.0

Boarding

8.4

Overall

8.4

Crew

8.6

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
Japan Airlines
8.3
Very good
1,443 reviews
EVA Air
8.4
Very good
1,177 reviews

Food

8.1

Comfort

8.3

Entertainment

8.0

Boarding

8.4

Overall

8.4

Crew

8.6

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
ANA
8.3
Very good
844 reviews
EVA Air
8.4
Very good
1,177 reviews

Food

8.1

Comfort

8.3

Entertainment

8.0

Boarding

8.4

Overall

8.4

Crew

8.6

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
China Airlines
8.2
Very good
729 reviews
EVA Air
8.4
Very good
1,177 reviews

Food

8.1

Comfort

8.3

Entertainment

8.0

Boarding

8.4

Overall

8.4

Crew

8.6

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

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 $1,130, was found to be the cheapest airline from Chicago to Seoul.Alternate airlines to your destination round-trip include Cathay Pacific and WestJet. EVA Air is currently priced 23% 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 Cathay Pacific, which is currently one of the cheapest options available, starting at $433. WestJet flights start at $540 while deals on EVA Air start at $645 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 (86%), Korean Air (76%), Atlas Air( 11%).

  • What are the cheapest flights from Chicago to Seoul?

    On average you can expect to pay $2,021 for a flight from Chicago to Seoul. The cheapest flight overall is $480 while the most popular route, (Chicago O'Hare Intl - Incheon Intl) is currently priced at $839.

  • 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 $1,001). Flying from Chicago to Seoul in June is currently the most expensive (average of $1,650). 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 April 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$660Average$1,025FlexibilityNo cancel feeOn-time69%
Turkish AirlinesCheapest$848Average$1,048FlexibilityNo cancel feeOn-time77%
Cathay PacificCheapest$873Average$942FlexibilityNo cancel feeOn-time72%
Air CanadaCheapest$891Average$1,316FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$906Average$975FlexibilityNo cancel feeOn-time71%
EVA AirCheapest$1,059Average$1,242FlexibilityNo cancel feeOn-time74%
FinnairCheapest$1,110Average$1,503FlexibilityNo cancel feeOn-time76%
DeltaCheapest$1,156Average$1,832FlexibilityNo cancel feeOn-timeN/A
Asiana AirlinesCheapest$1,271Average$1,880FlexibilityNo cancel feeOn-time76%
Korean AirCheapest$1,524Average$1,806FlexibilityNo cancel feeOn-time81%

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