How long is the flight from Chicago to Seoul?

Departing from Chicago to Seoul will take you 21h 45m. Chicago and Seoul are separated by a distance of 6533 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.

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.

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).

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 cheapest flights from Chicago to Seoul?

On average you can expect to pay $2,014 for a flight from Chicago to Seoul. The cheapest flight overall is $422 while the most popular route, (Chicago O'Hare Intl - Incheon Intl) is currently priced at $835.

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 (82%), Korean Air (53%), Atlas Air( 0%).

What are the most popular airlines that fly from Chicago to Seoul?

Before booking your flight from Chicago to Seoul check out the most popular airlines for this route: Korean Air, Air Canada or Delta.

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.

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.

$386+ Cheap Flights from Chicago to Seoul

Q: How much does it cost to fly round-trip from Chicago to Seoul?

Airfare is typical for this route at the moment. Chicago to Seoul flights typically cost between $816 and $1,605 in March. The cheapest round-trip price found within the last 3 days was $835 on Turkish Airlines (Mar 6-Mar 13).

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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

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Cheapflights Tip: The best prices from Chicago to Seoul are usually found in January or February, booked 70 days in advance, depart on a Tuesday or Monday and return on a Tuesday

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 October 30, 2025.

Thu 11/276:06 pmORD - ICN

1 stop31h 14mMultiple Airlines

Thu 12/49:20 pmICN - ORD

2 stops29h 22mMultiple Airlines

Deal found 10/30

$767

Sat 11/2911:50 amORD - ICN

1 stop30h 15mTurkish Airlines

Sat 12/610:45 amICN - ORD

1 stop38h 20mTurkish Airlines

Deal found 10/30

$844

Thu 11/131:36 pmORD - ICN

2 stops48h 34mMultiple Airlines

Mon 12/81:20 pmICN - ORD

1 stop25h 53mMultiple Airlines

Deal found 10/29

$849

Wed 11/52:35 pmORD - ICN

1 stop31h 10mCathay Pacific

Sun 11/97:35 pmICN - ORD

1 stop32h 20mCathay Pacific

Deal found 10/30

$857

Wed 11/262:35 pmORD - ICN

1 stop31h 10mCathay Pacific

Sun 12/71:45 pmICN - ORD

1 stop38h 10mCathay Pacific

Deal found 10/29

$876

Wed 12/34:01 pmORD - ICN

2 stops38h 34mMultiple Airlines

Thu 12/111:20 pmICN - ORD

1 stop31h 45mMultiple Airlines

Deal found 10/30

$880

Thu 11/276:06 pmORD - GMP

2 stops27h 59mMultiple Airlines

Thu 12/42:25 pmGMP - ORD

2 stops30h 40mMultiple Airlines

Deal found 10/30

$917

Mon 11/1011:45 amORD - GMP

3 stops34h 20mMultiple Airlines

Mon 11/172:25 pmGMP - ORD

2 stops32h 03mMultiple Airlines

Deal found 10/30

$1,054

Mon 12/16:20 amMDW - ICN

2 stops31h 50mMultiple Airlines

Mon 12/89:55 pmICN - MDW

1 stop30h 06mMultiple Airlines

Deal found 10/30

$1,088

Mon 11/311:30 pmORD - GMP

1 stop28h 45mMultiple Airlines

Mon 11/171:30 pmGMP - ORD

2 stops33h 05mMultiple Airlines

Deal found 10/30

$1,155

Sun 11/911:30 pmORD - GMP

1 stop27h 30mMultiple Airlines

Sun 2/81:30 pmGMP - ORD

2 stops33h 05mMultiple Airlines

Deal found 10/29

$1,207

Mon 11/311:30 pmORD - GMP

1 stop28h 45mMultiple Airlines

Sun 11/98:50 amGMP - ORD

3 stops37h 38mMultiple Airlines

Deal found 10/30

$1,228

Best flights from Chicago to Seoul
Discover carefully curated flight deals from Chicago to Seoul that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 30, 2025.

Mon 1/198:20 pmORD - ICN

1 stop21h 45mTurkish Airlines

Sat 1/2410:45 amICN - ORD

1 stop38h 20mTurkish Airlines

Deal found 10/30

$910

Mon 12/16:20 amMDW - ICN

2 stops31h 50mMultiple Airlines

Mon 12/89:55 pmICN - MDW

1 stop30h 06mMultiple Airlines

Deal found 10/30

$1,088

Sun 1/411:30 pmORD - GMP

1 stop27h 30mEVA Air

Fri 1/231:50 pmGMP - ORD

1 stop20h 45mEVA Air

Deal found 10/29

$1,266

Tue 12/29:10 pmORD - ICN

2 stops29h 00mAir Canada

Fri 12/195:55 pmICN - ORD

2 stops29h 08mAir Canada

Deal found 10/30

$1,352

Fri 1/93:49 pmORD - ICN

2 stops35h 46mAlaska Airlines

Fri 1/238:35 pmICN - ORD

2 stops32h 54mAlaska Airlines

Deal found 10/30

$1,361

Wed 12/105:35 pmORD - GMP

1 stop26h 20mJapan Airlines

Fri 12/127:40 pmGMP - ORD

1 stop26h 50mJapan Airlines

Deal found 10/28

$1,455

Mon 12/110:42 amORD - GMP

2 stops35h 23mAir China

Sun 12/78:50 amGMP - ORD

2 stops29h 09mAir China

Deal found 10/30

$1,537

Fri 1/94:25 pmORD - GMP

1 stop27h 55mANA

Fri 1/237:50 pmGMP - ORD

1 stop26h 30mANA

Deal found 10/30

$1,587

Tue 11/411:15 amORD - ICN

Nonstop15h 00mDelta

Thu 12/410:40 amICN - ORD

Nonstop12h 50mDelta

Deal found 10/29

$1,592

Mon 1/510:35 pmORD - ICN

1 stop21h 15mLufthansa

Sun 1/251:30 pmICN - ORD

2 stops36h 40mLufthansa

Deal found 10/29

$1,625

Mon 11/311:30 pmORD - GMP

1 stop28h 45mMultiple Airlines

Mon 11/171:30 pmGMP - ORD

2 stops33h 05mMultiple Airlines

Deal found 10/30

$1,155

Fri 2/131:35 pmMDW - ICN

2 stops30h 45mMultiple Airlines

Wed 3/188:15 pmICN - MDW

2 stops23h 15mMultiple Airlines

Deal found 10/30

$1,194

Mon 12/86:00 amORD - GMP

2 stops25h 05mJapan Airlines

Wed 12/1012:05 pmGMP - ORD

2 stops22h 40mJapan Airlines

Deal found 10/29

$1,463

Tue 4/73:55 pmMDW - ICN

2 stops29h 20mMultiple Airlines

Tue 4/2112:35 pmICN - MDW

2 stops31h 05mMultiple Airlines

Deal found 10/30

$1,214

Mon 11/311:15 amORD - ICN

Nonstop15h 00mDelta

Mon 11/1710:40 amICN - ORD

Nonstop12h 50mDelta

Deal found 10/30

$1,592

Fri 3/205:40 pmMDW - ICN

2 stops27h 40mMultiple Airlines

Mon 3/308:35 pmICN - MDW

2 stops23h 20mMultiple Airlines

Deal found 10/29

$1,218

Thu 11/1311:15 amORD - ICN

Nonstop15h 00mDelta

Mon 12/810:40 amICN - ORD

Nonstop12h 50mDelta

Deal found 10/29

$1,592

Sat 4/46:20 pmMDW - ICN

2 stops26h 55mMultiple Airlines

Sun 4/128:35 pmICN - MDW

2 stops23h 15mMultiple Airlines

Deal found 10/30

$1,219

Sun 11/98:35 pmORD - ICN

1 stop27h 55mDelta

Thu 11/2010:40 amICN - ORD

Nonstop12h 50mDelta

Deal found 10/30

$1,608

Mon 2/233:40 pmMDW - ICN

3 stops28h 40mMultiple Airlines

Mon 3/98:15 pmICN - MDW

2 stops23h 15mMultiple Airlines

Deal found 10/29

$1,243

Wed 11/267:20 pmMDW - ICN

2 stops32h 15mMultiple Airlines

Wed 12/39:55 pmICN - MDW

1 stop30h 06mMultiple Airlines

Deal found 10/29

$1,246

Mon 1/1211:30 pmORD - GMP

1 stop28h 45mMultiple Airlines

Tue 1/202:25 pmGMP - ORD

2 stops32h 10mMultiple Airlines

Deal found 10/29

$1,272

Fri 2/63:40 pmMDW - ICN

3 stops28h 40mMultiple Airlines

Thu 2/128:15 pmICN - MDW

2 stops24h 00mMultiple Airlines

Deal found 10/29

$1,277

Fri 4/36:25 pmMDW - ICN

2 stops26h 50mMultiple Airlines

Sat 4/118:35 pmICN - MDW

2 stops23h 15mMultiple Airlines

Deal found 10/30

$1,289

Wed 11/262:35 pmORD - ICN

1 stop37h 00mMultiple Airlines

Sun 12/73:00 pmICN - ORD

2 stops30h 46mMultiple Airlines

Deal found 10/30

$1,296

Fri 3/275:40 pmMDW - ICN

2 stops27h 35mMultiple Airlines

Wed 4/88:35 pmICN - MDW

2 stops23h 05mMultiple Airlines

Deal found 10/29

$1,476

Fri 1/22:35 pmORD - ICN

1 stop32h 20mMultiple Airlines

Sun 1/181:45 pmICN - ORD

2 stops31h 16mMultiple Airlines

Deal found 10/30

$1,496

Last-minute flights from Chicago to Seoul
Discover last-minute flight deals from Chicago to Seoul. Data last updated October 30, 2025 and is based on user searches.

Mon 11/311:30 pmORD - GMP

1 stop28h 45mMultiple Airlines

Mon 11/171:30 pmGMP - ORD

2 stops33h 05mMultiple Airlines

Deal found 10/30

$1,155

Mon 11/311:30 pmORD - GMP

1 stop28h 45mMultiple Airlines

Sun 11/98:50 amGMP - ORD

3 stops37h 38mMultiple Airlines

Deal found 10/30

$1,228

Wed 11/52:35 pmORD - ICN

1 stop31h 10mCathay Pacific

Sun 11/97:35 pmICN - ORD

1 stop32h 20mCathay Pacific

Deal found 10/30

$857

Sun 11/911:50 amORD - ICN

1 stop39h 30mTurkish Airlines

Wed 11/1912:10 amICN - ORD

1 stop24h 55mTurkish Airlines

Deal found 10/30

$882

Sun 11/911:30 pmORD - GMP

1 stop27h 30mMultiple Airlines

Sun 2/81:30 pmGMP - ORD

2 stops33h 05mMultiple Airlines

Deal found 10/29

$1,207

Mon 11/1011:45 amORD - GMP

3 stops34h 20mMultiple Airlines

Mon 11/172:25 pmGMP - ORD

2 stops32h 03mMultiple Airlines

Deal found 10/30

$1,054

Thu 11/131:36 pmORD - ICN

2 stops48h 34mMultiple Airlines

Mon 12/81:20 pmICN - ORD

1 stop25h 53mMultiple Airlines

Deal found 10/29

$849

Wed 11/262:35 pmORD - ICN

1 stop31h 10mCathay Pacific

Sun 12/71:45 pmICN - ORD

1 stop38h 10mCathay Pacific

Deal found 10/29

$876

Wed 11/267:20 pmMDW - ICN

2 stops32h 15mMultiple Airlines

Wed 12/39:55 pmICN - MDW

1 stop30h 06mMultiple Airlines

Deal found 10/29

$1,246

Thu 11/276:06 pmORD - ICN

1 stop31h 14mMultiple Airlines

Thu 12/49:20 pmICN - ORD

2 stops29h 22mMultiple Airlines

Deal found 10/30

$767

Thu 11/276:06 pmORD - GMP

2 stops27h 59mMultiple Airlines

Thu 12/42:25 pmGMP - ORD

2 stops30h 40mMultiple Airlines

Deal found 10/30

$917

Sat 11/2911:50 amORD - ICN

1 stop30h 15mTurkish Airlines

Sat 12/610:45 amICN - ORD

1 stop38h 20mTurkish Airlines

Deal found 10/30

$844

One-way flights from Chicago to Seoul
Search for one-way flight options from Chicago to Seoul. Find affordable one-way fares based on user searches. Data last updated October 30, 2025.

Sun 11/238:10 amORD - ICN

1 stop41h 10mMultiple Airlines

Deal found 10/30

$386

Tue 11/258:10 amORD - ICN

1 stop41h 10mMultiple Airlines

Deal found 10/30

$420

Wed 12/38:00 amORD - ICN

3 stops46h 35mMultiple Airlines

Deal found 10/30

$427

Thu 11/277:00 amORD - ICN

3 stops38h 20mMultiple Airlines

Deal found 10/29

$431

Mon 11/248:18 pmORD - ICN

2 stops49h 02mMultiple Airlines

Deal found 10/30

$440

Sun 1/183:19 pmMDW - ICN

3 stops55h 31mMultiple Airlines

Deal found 10/30

$451

Sat 11/89:22 pmORD - ICN

2 stops47h 58mMultiple Airlines

Deal found 10/29

$452

Mon 11/179:32 amORD - ICN

2 stops28h 38mMultiple Airlines

Deal found 10/30

$453

Fri 11/73:32 pmMDW - ICN

3 stops39h 03mMultiple Airlines

Deal found 10/28

$477

Wed 12/318:15 amMDW - ICN

2 stops43h 05mMultiple Airlines

Deal found 10/29

$581

Tue 12/306:14 amMDW - ICN

2 stops45h 06mMultiple Airlines

Deal found 10/30

$586

Sun 1/188:00 amORD - GMP

3 stops38h 00mMultiple Airlines

Deal found 10/30

$610

Cheap flight deals from Chicago to Seoul

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$835 (FlightHub)
One-way from	$386 (Kiwi.com)
Popular in	July
Cheapest in	January
Average price	$1,213
Good round-trip deal	$766 or less
Good one-way deal	$580 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

Highest demand for flights based on searches. 12% potential increase in price ($191 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($32 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in October 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

Fly from

Fly to

Route

Depart

Return

Price

ChicagoIncheon

ORD - ICN

ORDICN

Chicago O'Hare Intl

Mon 1/19

8:20 pm-9:05 am

1 stop21h 45m

Incheon Intl

Sat 1/24

10:45 am-10:05 am

1 stop38h 20m

$910

ChicagoIncheon

MDW - ICN

MDWICN

Chicago Midway

Mon 12/1

6:20 am-5:10 am

2 stops31h 50m

Incheon Intl

Mon 12/8

9:55 pm-1:01 pm

1 stop30h 06m

$1,088

ChicagoSeoul

ORD - GMP

ORDGMP

Chicago O'Hare Intl

Mon 11/3

11:30 pm-7:15 pm

1 stop28h 45m

Seoul Gimpo Intl

Mon 11/17

1:30 pm-7:35 am

2 stops33h 05m

$1,155

ChicagoIncheon

MDW - ICN

MDWICN

Chicago Midway

Fri 2/13

1:35 pm-11:20 am

2 stops30h 45m

Incheon Intl

Wed 3/18

8:15 pm-5:30 am

2 stops23h 15m

$1,194

ChicagoIncheon

MDW - ICN

MDWICN

Chicago Midway

Tue 4/7

3:55 pm-11:15 am

2 stops29h 20m

Incheon Intl

Tue 4/21

12:35 pm-5:40 am

2 stops31h 05m

$1,214

ChicagoIncheon

MDW - ICN

MDWICN

Chicago Midway

Fri 3/20

5:40 pm-11:20 am

2 stops27h 40m

Incheon Intl

Mon 3/30

8:35 pm-5:55 am

2 stops23h 20m

$1,218

ChicagoIncheon

MDW - ICN

MDWICN

Chicago Midway

Sat 4/4

6:20 pm-11:15 am

2 stops26h 55m

Incheon Intl

Sun 4/12

8:35 pm-5:50 am

2 stops23h 15m

$1,219

ChicagoIncheon

MDW - ICN

MDWICN

Chicago Midway

Mon 2/23

3:40 pm-11:20 am

3 stops28h 40m

Incheon Intl

Mon 3/9

8:15 pm-5:30 am

2 stops23h 15m

$1,243

ChicagoIncheon

MDW - ICN

MDWICN

Chicago Midway

Wed 11/26

7:20 pm-6:35 pm

2 stops32h 15m

Incheon Intl

Wed 12/3

9:55 pm-1:01 pm

1 stop30h 06m

$1,246

ChicagoSeoul

ORD - GMP

ORDGMP

Chicago O'Hare Intl

Sun 1/4

11:30 pm-6:00 pm

1 stop27h 30m

Seoul Gimpo Intl

Fri 1/23

1:50 pm-7:35 pm

1 stop20h 45m

$1,266

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/30

Showing 1-10 of 55 results

...

Compare providers for flights from Chicago to Seoul

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Chicago to Seoul in October.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
AranGrant	Price Accuracy2 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust 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 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?

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 70 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 $211). Flying from Chicago to Seoul in June is currently the most expensive (average of $1,248). 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?

It’s typically best to fly out from Chicago to Seoul at noon. Doing so could potentially save you 53% on the flight price compared to flying in the morning, which is usually more expensive.

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?

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?

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?

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?

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

Reviews of airlines servicing Seoul

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

1,268 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Oct 2025

TPE - YYZ

All was well. Despite the flight being delayed a few minutes, passengers were made sure to be informed and updated on the status of the delay.

EVA Air

8.4

Very good

1,268 reviews

EVA Air

8.4

Very good

1,268 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Oct 2025

TPE - YYZ

All was well. Despite the flight being delayed a few minutes, passengers were made sure to be informed and updated on the status of the delay.

Korean Air

8.4

Very good

1,155 reviews

EVA Air

8.4

Very good

1,268 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Oct 2025

TPE - YYZ

All was well. Despite the flight being delayed a few minutes, passengers were made sure to be informed and updated on the status of the delay.

Delta

7.9

Good

7,998 reviews

EVA Air

8.4

Very good

1,268 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Oct 2025

TPE - YYZ

All was well. Despite the flight being delayed a few minutes, passengers were made sure to be informed and updated on the status of the delay.

Turkish Airlines

7.3

Good

4,033 reviews

EVA Air

8.4

Very good

1,268 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Oct 2025

TPE - YYZ

All was well. Despite the flight being delayed a few minutes, passengers were made sure to be informed and updated on the status of the delay.

Air Canada

7.1

Good

10,383 reviews

EVA Air

8.4

Very good

1,268 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Oct 2025

TPE - YYZ

All was well. Despite the flight being delayed a few minutes, passengers were made sure to be informed and updated on the status of the delay.

Related info for your journey

How long is the flight from Chicago to Seoul?
Departing from Chicago to Seoul will take you 21h 45m. Chicago and Seoul are separated by a distance of 6533 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 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 (82%), Korean Air (53%), Atlas Air( 0%).
What are the cheapest flights from Chicago to Seoul?
On average you can expect to pay $2,014 for a flight from Chicago to Seoul. The cheapest flight overall is $422 while the most popular route, (Chicago O'Hare Intl - Incheon Intl) is currently priced at $835.
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 $211). Flying from Chicago to Seoul in June is currently the most expensive (average of $1,248). 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.

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Top 9 airlines flying from Chicago to Seoul

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$196	Average$1,887	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$287	Average$1,476	FlexibilityNo cancel fee	On-time69%
Cathay Pacific	Cheapest$639	Average$891	FlexibilityNo cancel fee	On-time72%
Turkish Airlines	Cheapest$848	Average$1,079	FlexibilityNo cancel fee	On-time77%
American Airlines	Cheapest$927	Average$977	FlexibilityNo cancel fee	On-time71%
EVA Air	Cheapest$1,015	Average$1,296	FlexibilityNo cancel fee	On-time74%
Air Canada	Cheapest$1,053	Average$1,332	FlexibilityNo cancel fee	On-time67%
Finnair	Cheapest$1,110	Average$1,375	FlexibilityNo cancel fee	On-time76%
Korean Air	Cheapest$1,505	Average$1,886	FlexibilityNo cancel fee	On-time81%

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$386+ 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 11/23. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheapflights Tip: The best prices from Chicago to Seoul are usually found in January or February, booked 70 days in advance, depart on a Tuesday or Monday and return on a Tuesday

Find flight deals from Chicago to Seoul

Cheapest flights from Chicago to SeoulExplore 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 October 30, 2025.

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 October 30, 2025.

Cheap flight deals from Chicago to Seoul

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Use the filters below to find and compare flights from Chicago to Seoul that are best for you.

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 October.

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.

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 October 24, 2025.

What is the cheapest month to book a flight from Chicago to Seoul?

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 October 30, 2025.

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.

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.

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.

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.

Reviews of airlines servicing Seoul

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.

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?

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

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What are the most reliable airlines from Chicago to Seoul?

What are the cheapest flights from Chicago to Seoul?

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

How can I find direct flights from Chicago to Seoul?

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

What is the cheapest month to book a flight from Chicago to Seoul?

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Alternative routes for Chicago to Seoul

See prices for flight routes from nearby airports that may be better suited for you.

Top 9 airlines flying from Chicago to Seoul

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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 October 30, 2025.