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Cheap flights from Chicago to Seoul from $399

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago to Seoul departing on 8/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Chicago to Seoul

Cheap round-trip flights

Enter your travel dates to find the best prices.
EVA Air Logo
12:30 am - 7:15 pmORD  Chicago O'Hare Intl-GMP Seoul Gimpo Intl
28h 45m1 stop Taipei City Taiwan Taoyuan Intl
EVA Air Logo
8:15 pm - 7:35 pmGMP  Seoul Gimpo Intl-ORD Chicago O'Hare Intl
38h 20m1 stop Taipei City Sung Shan
$1,107EVA Air
Mon, Oct 26 - Wed, Nov 11
Multiple Airlines Logo
7:00 am - 10:25 pmORD  Chicago O'Hare Intl-ICN Incheon Intl
24h 25m2 stops Seattle/Tacoma Intl Tokyo Narita
Multiple Airlines Logo
7:30 am - 4:55 pmICN  Incheon Intl-ORD Chicago O'Hare Intl
24h 25m1 stop Manila Ninoy Aquino Intl
$1,117Multiple Airlines
Tue, Nov 17 - Wed, Dec 2
Multiple Airlines Logo
5:35 pm - 6:45 pmORD  Chicago O'Hare Intl-ICN Incheon Intl
35h 10m2 stops Toronto Pearson Intl Calgary
Multiple Airlines Logo
5:45 pm - 2:43 pmICN  Incheon Intl-ORD Chicago O'Hare Intl
34h 58m1 stop Vancouver Intl
$1,118Multiple Airlines
Sat, Sep 12 - Sat, Sep 26
Turkish Airlines Logo
9:15 pm - 6:20 pmORD  Chicago O'Hare Intl-ICN Incheon Intl
31h 05m1 stop Istanbul
Turkish Airlines Logo
10:35 am - 10:00 amICN  Incheon Intl-ORD Chicago O'Hare Intl
38h 25m1 stop Istanbul
$1,120Turkish Airlines
Sun, Oct 25 - Sat, Nov 7
Turkish Airlines Logo
11:45 am - 6:20 pmORD  Chicago O'Hare Intl-ICN Incheon Intl
39h 35m1 stop Istanbul
Turkish Airlines Logo
10:35 am - 10:00 amICN  Incheon Intl-ORD Chicago O'Hare Intl
38h 25m1 stop Istanbul
$1,120Turkish Airlines
Mon, Nov 9 - Sat, Nov 14
EVA Air Logo
12:30 am - 6:45 pmORD  Chicago O'Hare Intl-ICN Incheon Intl
28h 15m1 stop Taipei City Taiwan Taoyuan Intl
EVA Air Logo
12:00 pm - 8:45 pmICN  Incheon Intl-ORD Chicago O'Hare Intl
22h 45m1 stop Taipei City Taiwan Taoyuan Intl
$1,125EVA Air
Wed, Sep 9 - Thu, Sep 17
American Airlines Logo
9:52 pm - 3:45 pmORD  Chicago O'Hare Intl-ICN Incheon Intl
27h 53m2 stops San Antonio Dallas/Fort Worth
American Airlines Logo
5:50 pm - 10:13 pmICN  Incheon Intl-ORD Chicago O'Hare Intl
18h 23m1 stop Dallas/Fort Worth
$1,152American Airlines
Thu, Aug 20 - Wed, Sep 2
American Airlines Logo
9:05 pm - 3:45 pmORD  Chicago O'Hare Intl-ICN Incheon Intl
28h 40m1 stop Dallas/Fort Worth
American Airlines Logo
5:50 pm - 12:14 amICN  Incheon Intl-ORD Chicago O'Hare Intl
20h 24m1 stop Dallas/Fort Worth
$1,157American Airlines
Sat, Aug 22 - Wed, Sep 9
Finnair Logo
9:30 pm - 11:20 amORD  Chicago O'Hare Intl-ICN Incheon Intl
23h 50m1 stop Helsinki-Vantaa
Finnair Logo
9:50 pm - 5:50 pmICN  Incheon Intl-ORD Chicago O'Hare Intl
34h 00m1 stop Helsinki-Vantaa
$1,194Finnair
Wed, Sep 23 - Wed, Oct 14
Finnair Logo
4:26 pm - 12:25 pmORD  Chicago O'Hare Intl-ICN Incheon Intl
28h 59m2 stops New York John F Kennedy Intl Helsinki-Vantaa
Finnair Logo
11:00 pm - 8:30 pmICN  Incheon Intl-ORD Chicago O'Hare Intl
36h 30m2 stops Helsinki-Vantaa Dallas/Fort Worth
$1,390Finnair
Wed, Jan 20 - Wed, Jan 27

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EVA Air flights from Chicago to Seoul

Our best EVA Air deals on Chicago to Seoul flight tickets
EVA Air
Aug 17
ORD12:30 amChicago O'Hare Intl
28h 45m
1 stop
GMP7:15 pmSeoul Gimpo Intl
Nov 17
GMP7:00 pmSeoul Gimpo Intl
39h 35m
1 stop
ORD7:35 pmChicago O'Hare Intl
$1,107
EVA Air
Sep 9
ORD12:30 amChicago O'Hare Intl
28h 15m
1 stop
ICN6:45 pmIncheon Intl
Sep 17
ICN12:00 pmIncheon Intl
22h 45m
1 stop
ORD8:45 pmChicago O'Hare Intl
$1,125
EVA Air
Sep 25
ORD12:30 amChicago O'Hare Intl
20h 30m
1 stop
ICN11:00 amIncheon Intl
Oct 5
ICN1:25 pmIncheon Intl
21h 20m
1 stop
ORD8:45 pmChicago O'Hare Intl
$1,127

Delta flights from Chicago to Seoul

Our best Delta deals on Chicago to Seoul flight tickets
Delta
Aug 20
MDW5:10 pmChicago Midway
20h 50m
1 stop
ICN4:00 amIncheon Intl
Sep 2
ICN6:50 pmIncheon Intl
17h 46m
1 stop
MDW10:36 pmChicago Midway
$1,876
Delta
Aug 24
MDW9:59 amChicago Midway
17h 21m
1 stop
ICN5:20 pmIncheon Intl
Sep 8
ICN6:50 pmIncheon Intl
17h 54m
1 stop
MDW10:44 pmChicago Midway
$1,879
Delta
Aug 22
MDW9:24 amChicago Midway
17h 01m
1 stop
ICN4:25 pmIncheon Intl
Sep 9
ICN8:45 amIncheon Intl
20h 39m
1 stop
MDW3:24 pmChicago Midway
$1,929

momondo 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, momondo users made 832,500 searches. Data last updated August 10, 2026.
Use the filters below to find and compare flights from Chicago to Seoul that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoSeoul

ORD Chicago O'Hare Intl - GMP Seoul Gimpo Intl

ORDGMP

Chicago O'Hare Intl

Mon 10/26

12:30 am-7:15 pm

1 stop28h 45m

Seoul Gimpo Intl

Wed 11/11

8:15 pm-7:35 pm

1 stop38h 20m

$1,107

ChicagoIncheon

ORD Chicago O'Hare Intl - ICN Incheon Intl

ORDICN

Chicago O'Hare Intl

Tue 11/17

7:00 am-10:25 pm

2 stops24h 25m

Incheon Intl

Wed 12/2

7:30 am-4:55 pm

1 stop24h 25m

$1,117

ChicagoIncheon

ORD Chicago O'Hare Intl - ICN Incheon Intl

ORDICN

Chicago O'Hare Intl

Sat 9/12

5:35 pm-6:45 pm

2 stops35h 10m

Incheon Intl

Sat 9/26

5:45 pm-2:43 pm

1 stop34h 58m

$1,118

ChicagoIncheon

ORD Chicago O'Hare Intl - ICN Incheon Intl

ORDICN

Chicago O'Hare Intl

Sun 10/25

9:15 pm-6:20 pm

1 stop31h 05m

Incheon Intl

Sat 11/7

10:35 am-10:00 am

1 stop38h 25m

$1,120

ChicagoIncheon

ORD Chicago O'Hare Intl - ICN Incheon Intl

ORDICN

Chicago O'Hare Intl

Mon 11/9

11:45 am-6:20 pm

1 stop39h 35m

Incheon Intl

Sat 11/14

10:35 am-10:00 am

1 stop38h 25m

$1,120

ChicagoIncheon

ORD Chicago O'Hare Intl - ICN Incheon Intl

ORDICN

Chicago O'Hare Intl

Wed 9/9

12:30 am-6:45 pm

1 stop28h 15m

Incheon Intl

Thu 9/17

12:00 pm-8:45 pm

1 stop22h 45m

$1,125
Quickest round-trip

ChicagoIncheon

ORD Chicago O'Hare Intl - ICN Incheon Intl

ORDICN

Chicago O'Hare Intl

Thu 8/20

9:52 pm-3:45 pm

2 stops27h 53m

Incheon Intl

Wed 9/2

5:50 pm-10:13 pm

1 stop18h 23m

$1,152

ChicagoIncheon

ORD Chicago O'Hare Intl - ICN Incheon Intl

ORDICN

Chicago O'Hare Intl

Sat 8/22

9:05 pm-3:45 pm

1 stop28h 40m

Incheon Intl

Wed 9/9

5:50 pm-12:14 am

1 stop20h 24m

$1,157

ChicagoIncheon

ORD Chicago O'Hare Intl - ICN Incheon Intl

ORDICN

Chicago O'Hare Intl

Wed 9/23

9:30 pm-11:20 am

1 stop23h 50m

Incheon Intl

Wed 10/14

9:50 pm-5:50 pm

1 stop34h 00m

$1,194

ChicagoIncheon

ORD Chicago O'Hare Intl - ICN Incheon Intl

ORDICN

Chicago O'Hare Intl

Wed 1/20

4:26 pm-12:25 pm

2 stops28h 59m

Incheon Intl

Wed 1/27

11:00 pm-8:30 pm

2 stops36h 30m

$1,390

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Seoul from

How to get the cheapest flight ticket from Chicago to Seoul

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Chicago and Seoul?

Prices are currently low for flights on this route.

Typical prices usually range from $1,203 to $1,828.
The lowest price recently found on this route was $1,107.

What is the cheapest month to fly to Seoul?

The month of October is another great option to travel to Seoul, with average flight prices from Chicago averaging around $1,273.

What is the cheapest day to depart on your flight to Seoul?

According to our data, Tuesday is the cheapest day to fly to Seoul from Chicago. The lowest ticket price found for a Tuesday departure recently was $936. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Seoul is Saturday, with ticket prices averaging around $1,148.

What is the cheapest Chicago to Seoul flight route?

Fly from Chicago O'Hare Intl to Incheon Intl for the best Chicago - Seoul flight prices

How far in advance should I book a flight from Chicago to Seoul?

You are more likely to see cheaper flights to Seoul from Chicago when booking weeks ahead of your departure date. In general, you can expect to find flights to Seoul for around $1,514 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seoul from Chicago for as low as $945 on momondo.

What cabin class options are available on Chicago to Seoul flights?

There are 4 cabin classes available to choose from on Chicago to Seoul flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Chicago to Seoul flights?

You could potentially save up to 62% on your flight if you consider stops on a Chicago to Seoul flight.

How have Chicago to Seoul flight prices changed over time?

As of August 2026, prices for Chicago to Seoul flights are approximately 31% cheaper when compared to flights at the same time last year.

When to book flights from Chicago to Seoul

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago to Seoul according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Chicago to Seoul (CHI to SEL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago to Seoul

Best Price Found

$500

Fastest flight time

14h 20m

Direct flights

Every day

Airports in Seoul

2 airports
The best one-way flight to Seoul from Chicago in the past 72 hours is $500. The best round-trip flight deal from Chicago to Seoul found on momondo in the last 72 hours is $951.
The fastest flight from Chicago to Seoul takes 14h 20m
Direct flights go from Chicago to Seoul every day.
There are 2 airports in Seoul. From Chicago there are direct flights to Incheon Intl (ICN).
Search flight deals

Frequently asked questions about flying from Chicago to Seoul

  • How far is Chicago to Seoul by plane?

    A flight from Chicago to Seoul will travel around 6526.8 mi. Typically, this will take 14h 20m by plane in normal conditions.

  • When did momondo last update prices for flights from Chicago to Seoul?

    Prices for flights from Chicago to Seoul refresh daily.

  • How many operators does momondo search for flights from Chicago to Seoul?

  • How old do you have to be to fly from Chicago to Seoul?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Chicago to Seoul.

  • What documentation or ID do you need to fly to Seoul?

    The travel and health documents you'll need for your trip to Seoul may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Seoul. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Chicago to Seoul?

  • What is the most popular airline from Chicago to Seoul?

Best airlines flying from Chicago to Seoul

Compare and see reviews for airlines that fly from Chicago to Seoul with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $194Free CancellationRating
7.8
8,497 reviews
Search Delta flights
Cathay PacificPriceFrom $639Free CancellationRating
7.5
1,444 reviews
Search Cathay Pacific flights
Turkish AirlinesPriceFrom $845Free CancellationRating
7.4
4,478 reviews
Search Turkish Airlines flights
American AirlinesPriceFrom $916Free CancellationRating
7.1
11,899 reviews
Search American Airlines flights
Japan AirlinesPriceFrom $931Free CancellationRating
8.3
1,893 reviews
Search Japan Airlines flights
EVA AirPriceFrom $947Free CancellationRating
8.5
1,515 reviews
Search EVA Air flights
Air CanadaPriceFrom $1,072Free CancellationRating
7.1
11,458 reviews
Search Air Canada flights
Asiana AirlinesPriceFrom $1,148Free CancellationRating
8.1
554 reviews
Search Asiana Airlines flights
FinnairPriceFrom $1,174Free CancellationRating
7.7
1,428 reviews
Search Finnair flights
United AirlinesPriceFrom $1,191Free CancellationRating
7.4
10,098 reviews
Search United Airlines flights

  • Korean Air Flights From Chicago to Seoul

    Korean Air is one of the most popular airlines flying from Chicago to Seoul, operating 7 flights/week on average for this route. A good Korean Air flight deal for Chicago to Seoul starts from $1,594 round-trip, up to an average price of $1,854. Our users have rated Korean Air at 8.4/10.

  • Delta Flights From Chicago to Seoul

    Across 8,497 Delta reviews on momondo, the average score is 7.8/10. Delta flies from Chicago to Seoul about 7 times each week, with ticket deals ranging from $194 to $1,803. Price data is based on momondo searches in the last 72 hours.

Why use momondo?

Why should I use momondo to find a flight deal from Chicago to Seoul?

It is quick and easy to find Chicago to Seoul flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Seoul that suits you.

Can I find flights from Chicago to Seoul with flexible booking policies on momondo?

Flights from Chicago to Seoul with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Chicago to Seoul?

momondo helps you find the best flight between Chicago and Seoul by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Chicago to Seoul right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Seoul, momondo offers a useful price alert feature which will track prices for flights to Seoul from Chicago and alert you when they change.

An easier way to manage your Seoul trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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Find better results for your trip to South Korea

Fly into one of these airports located in Seoul

Airports listed have a maximum distance of 30.3 mi from Seoul
Seoul Gimpo Intl Airport
Incheon Intl Airport