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 8/11. 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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Find the cheapest flights from Chicago to Seoul

Cheap round-trip flights

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Multiple Airlines Logo
5:30 pm - 6:45 pm
ORD
-
ICN
35h 15m
1 stop
Multiple Airlines Logo
7:20 am - 4:55 pm
ICN
-
ORD
24h 35m
1 stop
$899Multiple Airlines
Fri, Aug 21 - Wed, Dec 9
Multiple Airlines Logo
5:30 pm - 6:45 pm
ORD
-
ICN
35h 15m
1 stop
Multiple Airlines Logo
7:20 am - 4:55 pm
ICN
-
ORD
24h 35m
1 stop
$900Multiple Airlines
Fri, Aug 21 - Mon, Dec 14
Multiple Airlines Logo
5:30 pm - 6:45 pm
ORD
-
ICN
35h 15m
1 stop
Multiple Airlines Logo
7:20 am - 4:55 pm
ICN
-
ORD
24h 35m
1 stop
$903Multiple Airlines
Wed, Aug 26 - Wed, Dec 9
Multiple Airlines Logo
5:30 pm - 6:45 pm
ORD
-
ICN
35h 15m
1 stop
Multiple Airlines Logo
7:20 am - 4:55 pm
ICN
-
ORD
24h 35m
1 stop
$904Multiple Airlines
Wed, Aug 26 - Mon, Dec 14
WestJet Logo
5:30 pm - 6:45 pm
ORD
-
ICN
35h 15m
1 stop
WestJet Logo
8:45 pm - 1:35 pm
ICN
-
ORD
30h 50m
1 stop
$919WestJet
Fri, Oct 23 - Sun, Oct 25
WestJet Logo
5:30 pm - 6:45 pm
ORD
-
ICN
35h 15m
1 stop
WestJet Logo
8:45 pm - 1:35 pm
ICN
-
ORD
30h 50m
1 stop
$936WestJet
Thu, Oct 15 - Sun, Oct 25
EVA Air Logo
12:30 am - 6:10 pm
ORD
-
GMP
27h 40m
1 stop
EVA Air Logo
7:15 pm - 8:45 pm
GMP
-
ORD
39h 30m
1 stop
$1,241EVA Air
Sun, Aug 30 - Tue, Sep 22
EVA Air Logo
12:30 am - 6:10 pm
ORD
-
GMP
27h 40m
1 stop
EVA Air Logo
1:50 pm - 7:35 pm
GMP
-
ORD
20h 45m
1 stop
$1,262EVA Air
Sun, Aug 23 - Fri, Dec 11
Japan Airlines Logo
2:30 pm - 9:15 pm
ORD
-
GMP
16h 45m
1 stop
Japan Airlines Logo
8:00 am - 10:45 am
GMP
-
ORD
16h 45m
1 stop
$1,303Japan Airlines
Tue, Aug 25 - Wed, Sep 2
Japan Airlines Logo
2:30 pm - 9:15 pm
ORD
-
GMP
16h 45m
1 stop
Japan Airlines Logo
8:00 am - 11:00 am
GMP
-
ORD
17h 00m
1 stop
$1,309Japan Airlines
Tue, Aug 18 - Fri, Aug 28

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Turkish Airlines flights from Chicago to Seoul

Our best Turkish Airlines deals on Chicago to Seoul flight tickets
Turkish Airlines
Nov 16
ORD8:15 pmChicago O'Hare Intl
31h 05m
1 stop
ICN6:20 pmIncheon Intl
Nov 23
ICN12:05 amIncheon Intl
24h 55m
1 stop
ORD10:00 amChicago O'Hare Intl
$984
Turkish Airlines
Nov 5
ORD12:45 pmChicago O'Hare Intl
29h 10m
1 stop
ICN8:55 amIncheon Intl
Nov 11
ICN10:35 amIncheon Intl
38h 25m
1 stop
ORD10:00 amChicago O'Hare Intl
$986
Turkish Airlines
Dec 1
ORD11:45 amChicago O'Hare Intl
39h 35m
1 stop
ICN6:20 pmIncheon Intl
Dec 11
ICN10:35 amIncheon Intl
46h 45m
1 stop
ORD6:20 pmChicago O'Hare Intl
$987

WestJet flights from Chicago to Seoul

Our best WestJet deals on Chicago to Seoul flight tickets
WestJet
Oct 23
ORD5:30 pmChicago O'Hare Intl
35h 15m
1 stop
ICN6:45 pmIncheon Intl
Oct 25
ICN8:45 pmIncheon Intl
30h 50m
1 stop
ORD1:35 pmChicago O'Hare Intl
$919
WestJet
Oct 15
ORD5:30 pmChicago O'Hare Intl
35h 15m
1 stop
ICN6:45 pmIncheon Intl
Oct 25
ICN8:45 pmIncheon Intl
30h 50m
1 stop
ORD1:35 pmChicago O'Hare Intl
$936
WestJet
Oct 30
ORD2:20 pmChicago O'Hare Intl
38h 25m
1 stop
ICN6:45 pmIncheon Intl
Nov 8
ICN8:45 pmIncheon Intl
30h 50m
1 stop
ORD12:35 pmChicago O'Hare Intl
$940

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 July 2, 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

Fri 8/21

5:30 pm-6:45 pm

1 stop35h 15m

Incheon Intl

Wed 12/9

7:20 am-4:55 pm

1 stop24h 35m

$899

ChicagoIncheon

ORD - ICN

ORDICN

Chicago O'Hare Intl

Fri 8/21

5:30 pm-6:45 pm

1 stop35h 15m

Incheon Intl

Mon 12/14

7:20 am-4:55 pm

1 stop24h 35m

$900

ChicagoIncheon

ORD - ICN

ORDICN

Chicago O'Hare Intl

Wed 8/26

5:30 pm-6:45 pm

1 stop35h 15m

Incheon Intl

Wed 12/9

7:20 am-4:55 pm

1 stop24h 35m

$903

ChicagoIncheon

ORD - ICN

ORDICN

Chicago O'Hare Intl

Wed 8/26

5:30 pm-6:45 pm

1 stop35h 15m

Incheon Intl

Mon 12/14

7:20 am-4:55 pm

1 stop24h 35m

$904

ChicagoIncheon

ORD - ICN

ORDICN

Chicago O'Hare Intl

Fri 10/23

5:30 pm-6:45 pm

1 stop35h 15m

Incheon Intl

Sun 10/25

8:45 pm-1:35 pm

1 stop30h 50m

$919

ChicagoIncheon

ORD - ICN

ORDICN

Chicago O'Hare Intl

Thu 10/15

5:30 pm-6:45 pm

1 stop35h 15m

Incheon Intl

Sun 10/25

8:45 pm-1:35 pm

1 stop30h 50m

$936

ChicagoSeoul

ORD - GMP

ORDGMP

Chicago O'Hare Intl

Sun 8/30

12:30 am-6:10 pm

1 stop27h 40m

Seoul Gimpo Intl

Tue 9/22

7:15 pm-8:45 pm

1 stop39h 30m

$1,241

ChicagoSeoul

ORD - GMP

ORDGMP

Chicago O'Hare Intl

Sun 8/23

12:30 am-6:10 pm

1 stop27h 40m

Seoul Gimpo Intl

Fri 12/11

1:50 pm-7:35 pm

1 stop20h 45m

$1,262
Quickest round-trip

ChicagoSeoul

ORD - GMP

ORDGMP

Chicago O'Hare Intl

Tue 8/25

2:30 pm-9:15 pm

1 stop16h 45m

Seoul Gimpo Intl

Wed 9/2

8:00 am-10:45 am

1 stop16h 45m

$1,303

ChicagoSeoul

ORD - GMP

ORDGMP

Chicago O'Hare Intl

Tue 8/18

2:30 pm-9:15 pm

1 stop16h 45m

Seoul Gimpo Intl

Fri 8/28

8:00 am-11:00 am

1 stop17h 00m

$1,309

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 October is another great option to travel to Seoul, with average flight prices from Chicago averaging around $137.

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 $921. 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 $1,121.

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

Flying to Seoul from Chicago in the evening is the least expensive time of day to depart. momondo users have found prices as low as $982 when looking at flights departing in the evening. In the morning is when there is more demand to fly to Seoul, so prices are often more expensive at around $996 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 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 $1,479 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 $1,094 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 64% 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 July 2026, prices for Chicago to Seoul flights are approximately 9% 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

$587

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 $587. The best round-trip flight deal from Chicago to Seoul found on momondo in the last 72 hours is $983.
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).

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
8,453 reviews
Search Delta flights
Cathay PacificPriceFrom $639Free CancellationRating
7.6
1,402 reviews
Search Cathay Pacific flights
Turkish AirlinesPriceFrom $845Free CancellationRating
7.4
4,438 reviews
Search Turkish Airlines flights
American AirlinesPriceFrom $916Free CancellationRating
7.1
11,766 reviews
Search American Airlines flights
Japan AirlinesPriceFrom $931Free CancellationRating
8.3
1,857 reviews
Search Japan Airlines flights
EVA AirPriceFrom $947Free CancellationRating
8.5
1,484 reviews
Search EVA Air flights
Air CanadaPriceFrom $1,088Free CancellationRating
7.1
11,288 reviews
Search Air Canada flights
Asiana AirlinesPriceFrom $1,148Free CancellationRating
8.1
550 reviews
Search Asiana Airlines flights
FinnairPriceFrom $1,174Free CancellationRating
7.6
1,418 reviews
Search Finnair flights
United AirlinesPriceFrom $1,191Free CancellationRating
7.4
9,927 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 $1,524 round-trip, up to an average price of $1,824. Our users have rated Korean Air at 8.4/10.

  • Delta Flights From Chicago to Seoul

    Across 8,454 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 $1,810. 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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1 adult
Sat 8/1
Sat 8/8

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