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 4/24. 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

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
5:15 am - 3:50 pm
ORD
-
ICN
20h 35m
1 stop
Multiple Airlines Logo
1:00 pm - 6:39 am
ICN
-
ORD
31h 39m
1 stop
$951Multiple Airlines
Mon, Apr 20 - Tue, May 5
Multiple Airlines Logo
5:15 am - 4:30 am
ORD
-
ICN
33h 15m
1 stop
Multiple Airlines Logo
1:00 pm - 6:39 am
ICN
-
ORD
31h 39m
1 stop
$954Multiple Airlines
Fri, Apr 24 - Tue, May 5
Multiple Airlines Logo
7:51 am - 4:30 am
ORD
-
ICN
30h 39m
1 stop
Multiple Airlines Logo
7:35 pm - 5:50 am
ICN
-
ORD
24h 15m
2 stops
$958Multiple Airlines
Wed, Apr 15 - Wed, Apr 29
EVA Air Logo
12:30 am - 6:45 pm
ORD
-
ICN
28h 15m
1 stop
EVA Air Logo
7:45 pm - 9:00 pm
ICN
-
ORD
39h 15m
1 stop
$959EVA Air
Tue, Apr 7 - Wed, May 20
EVA Air Logo
12:30 am - 11:00 am
ORD
-
ICN
20h 30m
1 stop
EVA Air Logo
12:00 pm - 8:45 pm
ICN
-
ORD
22h 45m
1 stop
$962EVA Air
Tue, Sep 1 - Mon, Sep 7
Turkish Airlines Logo
8:10 pm - 5:40 pm
ORD
-
ICN
31h 30m
1 stop
Turkish Airlines Logo
10:15 am - 9:40 am
ICN
-
ORD
37h 25m
1 stop
$963Turkish Airlines
Sun, Sep 6 - Mon, Sep 21
Multiple Airlines Logo
5:15 am - 3:50 pm
ORD
-
ICN
20h 35m
1 stop
Multiple Airlines Logo
10:05 pm - 10:04 pm
ICN
-
ORD
37h 59m
1 stop
$965Multiple Airlines
Mon, Apr 20 - Mon, May 4
Turkish Airlines Logo
8:10 pm - 5:40 pm
ORD
-
ICN
31h 30m
1 stop
Turkish Airlines Logo
11:20 pm - 9:40 am
ICN
-
ORD
24h 20m
1 stop
$968Turkish Airlines
Tue, Aug 25 - Thu, Sep 3
Japan Airlines Logo
2:10 pm - 5:55 pm
ORD
-
GMP
37h 45m
1 stop
Japan Airlines Logo
7:15 pm - 10:45 am
GMP
-
ORD
29h 30m
1 stop
$1,128Japan Airlines
Tue, Sep 1 - Mon, Sep 14
Japan Airlines Logo
2:10 pm - 10:40 am
ORD
-
GMP
30h 30m
1 stop
Japan Airlines Logo
7:15 pm - 10:45 am
GMP
-
ORD
29h 30m
1 stop
$1,136Japan Airlines
Tue, Sep 1 - Wed, Sep 9

EVA Air flights from Chicago to Seoul

Our best EVA Air deals on Chicago to Seoul flight tickets
EVA Air
Sep 14
ORD12:30 amChicago O'Hare Intl
28h 15m
1 stop
ICN6:45 pmIncheon Intl
Sep 22
ICN12:00 pmIncheon Intl
22h 45m
1 stop
ORD8:45 pmChicago O'Hare Intl
$952
EVA Air
Apr 7
ORD12:30 amChicago O'Hare Intl
28h 15m
1 stop
ICN6:45 pmIncheon Intl
May 20
ICN7:45 pmIncheon Intl
39h 15m
1 stop
ORD9:00 pmChicago O'Hare Intl
$959
EVA Air
Apr 1
ORD12:30 amChicago O'Hare Intl
28h 15m
1 stop
ICN6:45 pmIncheon Intl
May 20
ICN7:45 pmIncheon Intl
39h 15m
1 stop
ORD9:00 pmChicago O'Hare Intl
$962

Turkish Airlines flights from Chicago to Seoul

Our best Turkish Airlines deals on Chicago to Seoul flight tickets
Turkish Airlines
Sep 6
ORD8:10 pmChicago O'Hare Intl
31h 30m
1 stop
ICN5:40 pmIncheon Intl
Sep 21
ICN10:15 amIncheon Intl
37h 25m
1 stop
ORD9:40 amChicago O'Hare Intl
$963
Turkish Airlines
Aug 25
ORD8:10 pmChicago O'Hare Intl
31h 30m
1 stop
ICN5:40 pmIncheon Intl
Sep 3
ICN11:20 pmIncheon Intl
24h 20m
1 stop
ORD9:40 amChicago O'Hare Intl
$968
Turkish Airlines
Aug 22
ORD8:10 pmChicago O'Hare Intl
31h 30m
1 stop
ICN5:40 pmIncheon Intl
Sep 8
ICN11:20 pmIncheon Intl
24h 20m
1 stop
ORD9:40 amChicago O'Hare Intl
$983

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 March 19, 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

ChicagoIncheon

ORD - ICN

ORDICN

Chicago O'Hare Intl

Mon 4/20

5:15 am-3:50 pm

1 stop20h 35m

Incheon Intl

Tue 5/5

1:00 pm-6:39 am

1 stop31h 39m

$951

ChicagoIncheon

ORD - ICN

ORDICN

Chicago O'Hare Intl

Fri 4/24

5:15 am-4:30 am

1 stop33h 15m

Incheon Intl

Tue 5/5

1:00 pm-6:39 am

1 stop31h 39m

$954

ChicagoIncheon

ORD - ICN

ORDICN

Chicago O'Hare Intl

Wed 4/15

7:51 am-4:30 am

1 stop30h 39m

Incheon Intl

Wed 4/29

7:35 pm-5:50 am

2 stops24h 15m

$958

ChicagoIncheon

ORD - ICN

ORDICN

Chicago O'Hare Intl

Tue 4/7

12:30 am-6:45 pm

1 stop28h 15m

Incheon Intl

Wed 5/20

7:45 pm-9:00 pm

1 stop39h 15m

$959
Quickest round-trip

ChicagoIncheon

ORD - ICN

ORDICN

Chicago O'Hare Intl

Tue 9/1

12:30 am-11:00 am

1 stop20h 30m

Incheon Intl

Mon 9/7

12:00 pm-8:45 pm

1 stop22h 45m

$962

ChicagoIncheon

ORD - ICN

ORDICN

Chicago O'Hare Intl

Sun 9/6

8:10 pm-5:40 pm

1 stop31h 30m

Incheon Intl

Mon 9/21

10:15 am-9:40 am

1 stop37h 25m

$963

ChicagoIncheon

ORD - ICN

ORDICN

Chicago O'Hare Intl

Mon 4/20

5:15 am-3:50 pm

1 stop20h 35m

Incheon Intl

Mon 5/4

10:05 pm-10:04 pm

1 stop37h 59m

$965

ChicagoIncheon

ORD - ICN

ORDICN

Chicago O'Hare Intl

Tue 8/25

8:10 pm-5:40 pm

1 stop31h 30m

Incheon Intl

Thu 9/3

11:20 pm-9:40 am

1 stop24h 20m

$968

ChicagoSeoul

ORD - GMP

ORDGMP

Chicago O'Hare Intl

Tue 9/1

2:10 pm-5:55 pm

1 stop37h 45m

Seoul Gimpo Intl

Mon 9/14

7:15 pm-10:45 am

1 stop29h 30m

$1,128

ChicagoSeoul

ORD - GMP

ORDGMP

Chicago O'Hare Intl

Tue 9/1

2:10 pm-10:40 am

1 stop30h 30m

Seoul Gimpo Intl

Wed 9/9

7:15 pm-10:45 am

1 stop29h 30m

$1,136

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?

What is the cheapest month to fly to Seoul?

The month of November is another great option to travel to Seoul, with average flight prices from Chicago averaging around $899.

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

According to our data, Monday is the cheapest day to fly to Seoul from Chicago. The lowest ticket price found for a Monday departure recently was $886. 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 $1,095.

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

Flying to Seoul from Chicago in the morning is the least expensive time of day to depart. momondo users have found prices as low as $976 when looking at flights departing in the morning. In the evening is when there is more demand to fly to Seoul, so prices are often more expensive at around $982 per ticket.

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 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 $1,500 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 $857 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 50% 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 March 2026, prices for Chicago to Seoul flights are approximately 1% more expensive 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

$533

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 $533. The best round-trip flight deal from Chicago to Seoul found on momondo in the last 72 hours is $857.
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).
  • 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
7.9
8,296 reviews
Search Delta flights
United AirlinesPriceFrom $287Free CancellationRating
7.4
9,441 reviews
Search United Airlines flights
Cathay PacificPriceFrom $639Free CancellationRating
7.6
1,216 reviews
Search Cathay Pacific flights
Turkish AirlinesPriceFrom $877Free CancellationRating
7.3
4,259 reviews
Search Turkish Airlines flights
American AirlinesPriceFrom $916Free CancellationRating
7.1
11,475 reviews
Search American Airlines flights
EVA AirPriceFrom $948Free CancellationRating
8.4
1,379 reviews
Search EVA Air flights
Air CanadaPriceFrom $1,088Free CancellationRating
7.1
10,815 reviews
Search Air Canada flights
Asiana AirlinesPriceFrom $1,234Free CancellationRating
8.1
506 reviews
Search Asiana Airlines flights
Korean AirPriceFrom $1,594Free CancellationRating
8.4
1,205 reviews
Search Korean Air 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 $1,905. Our users have rated Korean Air at 8.4/10.

  • Delta Flights From Chicago to Seoul

    Across 8,296 Delta reviews on momondo, the average score is 7.9/10. Delta flies from Chicago to Seoul about 7 times each week, with ticket deals ranging from $194 to $1,888. 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

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1 adult
Sat 4/18
Sat 4/25

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