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Cheap flights from Chicago to Seoul from $377

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 1/29. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

Enter your travel dates to find the best prices.
Turkish Airlines Logo
11:50 am - 6:20 pm
ORD
-
ICN
39h 30m
1 stop
Turkish Airlines Logo
12:10 am - 11:05 am
ICN
-
ORD
24h 55m
1 stop
$818Turkish Airlines
Tue, Mar 3 - Mon, Mar 16
Multiple Airlines Logo
8:10 am - 5:10 am
ORD
-
ICN
30h 00m
2 stops
Multiple Airlines Logo
9:55 pm - 9:22 am
ICN
-
ORD
26h 27m
1 stop
$822Multiple Airlines
Wed, Feb 18 - Wed, Feb 25
Turkish Airlines Logo
11:50 am - 9:05 am
ORD
-
ICN
30h 15m
1 stop
Turkish Airlines Logo
10:45 am - 11:05 am
ICN
-
ORD
38h 20m
1 stop
$827Turkish Airlines
Mon, Mar 2 - Wed, Mar 11
Turkish Airlines Logo
8:20 pm - 9:05 am
ORD
-
ICN
21h 45m
1 stop
Turkish Airlines Logo
10:45 am - 6:25 pm
ICN
-
ORD
46h 40m
1 stop
$828Turkish Airlines
Wed, Feb 11 - Wed, Feb 18
Multiple Airlines Logo
4:38 pm - 5:40 am
ORD
-
ICN
22h 02m
1 stop
Multiple Airlines Logo
6:55 pm - 10:39 pm
ICN
-
ORD
42h 44m
2 stops
$829Multiple Airlines
Thu, Jan 29 - Wed, Feb 25
Multiple Airlines Logo
6:51 pm - 5:40 am
ORD
-
ICN
19h 49m
1 stop
Multiple Airlines Logo
6:55 pm - 9:43 am
ICN
-
ORD
28h 48m
2 stops
$830Multiple Airlines
Mon, Mar 2 - Wed, Mar 18
EVA Air Logo
12:30 am - 7:15 pm
ORD
-
GMP
28h 45m
1 stop
EVA Air Logo
1:50 pm - 9:00 pm
GMP
-
ORD
21h 10m
1 stop
$1,092EVA Air
Mon, Mar 30 - Sat, Apr 18
EVA Air Logo
12:30 am - 6:10 pm
ORD
-
GMP
27h 40m
1 stop
EVA Air Logo
7:15 pm - 9:00 pm
GMP
-
ORD
39h 45m
1 stop
$1,182EVA Air
Sun, May 17 - Tue, May 26
EVA Air Logo
12:30 am - 6:00 pm
ORD
-
GMP
27h 30m
1 stop
EVA Air Logo
1:50 pm - 8:35 pm
GMP
-
ORD
20h 45m
1 stop
$1,190EVA Air
Sun, Mar 22 - Fri, Mar 27
EVA Air Logo
12:30 am - 6:10 pm
ORD
-
GMP
27h 40m
1 stop
EVA Air Logo
1:50 pm - 9:00 pm
GMP
-
ORD
21h 10m
1 stop
$1,220EVA Air
Sun, Mar 29 - Sat, Apr 18

Delta flights from Chicago to Seoul

Our best Delta deals on Chicago to Seoul flight tickets
Delta
Jan 21
ORD11:25 amChicago O'Hare Intl
14h 50m
ICN5:15 pmIncheon Intl
Feb 18
ICN10:40 amIncheon Intl
13h 00m
ORD8:40 amChicago O'Hare Intl
$1,664
Delta
Jan 21
ORD2:50 pmChicago O'Hare Intl
23h 55m
1 stop
ICN5:45 amIncheon Intl
Feb 18
ICN10:40 amIncheon Intl
13h 00m
ORD8:40 amChicago O'Hare Intl
$1,669
Delta
Mar 26
MDW6:25 amChicago Midway
21h 20m
1 stop
ICN5:45 pmIncheon Intl
Apr 8
ICN6:50 pmIncheon Intl
17h 41m
1 stop
MDW10:31 pmChicago Midway
$1,679

WestJet flights from Chicago to Seoul

Our best WestJet deals on Chicago to Seoul flight tickets
WestJet
Jun 11
MDW9:30 amChicago Midway
43h 15m
2 stops
ICN6:45 pmIncheon Intl
Jun 19
ICN8:45 pmIncheon Intl
30h 22m
2 stops
MDW1:07 pmChicago Midway
$1,801
WestJet
Jan 17
MDW5:00 pmChicago Midway
33h 45m
2 stops
ICN5:45 pmIncheon Intl
Jan 19
ICN10:55 pmIncheon Intl
58h 41m
2 stops
MDW6:36 pmChicago Midway
$4,424

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 January 15, 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

ChicagoIncheon

ORD - ICN

ORDICN

Chicago O'Hare Intl

Tue 3/3

11:50 am-6:20 pm

1 stop39h 30m

Incheon Intl

Mon 3/16

12:10 am-11:05 am

1 stop24h 55m

$818

ChicagoIncheon

ORD - ICN

ORDICN

Chicago O'Hare Intl

Wed 2/18

8:10 am-5:10 am

2 stops30h 00m

Incheon Intl

Wed 2/25

9:55 pm-9:22 am

1 stop26h 27m

$822

ChicagoIncheon

ORD - ICN

ORDICN

Chicago O'Hare Intl

Mon 3/2

11:50 am-9:05 am

1 stop30h 15m

Incheon Intl

Wed 3/11

10:45 am-11:05 am

1 stop38h 20m

$827

ChicagoIncheon

ORD - ICN

ORDICN

Chicago O'Hare Intl

Wed 2/11

8:20 pm-9:05 am

1 stop21h 45m

Incheon Intl

Wed 2/18

10:45 am-6:25 pm

1 stop46h 40m

$828

ChicagoIncheon

ORD - ICN

ORDICN

Chicago O'Hare Intl

Thu 1/29

4:38 pm-5:40 am

1 stop22h 02m

Incheon Intl

Wed 2/25

6:55 pm-10:39 pm

2 stops42h 44m

$829

ChicagoIncheon

ORD - ICN

ORDICN

Chicago O'Hare Intl

Mon 3/2

6:51 pm-5:40 am

1 stop19h 49m

Incheon Intl

Wed 3/18

6:55 pm-9:43 am

2 stops28h 48m

$830

ChicagoSeoul

ORD - GMP

ORDGMP

Chicago O'Hare Intl

Mon 3/30

12:30 am-7:15 pm

1 stop28h 45m

Seoul Gimpo Intl

Sat 4/18

1:50 pm-9:00 pm

1 stop21h 10m

$1,092

ChicagoSeoul

ORD - GMP

ORDGMP

Chicago O'Hare Intl

Sun 5/17

12:30 am-6:10 pm

1 stop27h 40m

Seoul Gimpo Intl

Tue 5/26

7:15 pm-9:00 pm

1 stop39h 45m

$1,182

ChicagoSeoul

ORD - GMP

ORDGMP

Chicago O'Hare Intl

Sun 3/22

12:30 am-6:00 pm

1 stop27h 30m

Seoul Gimpo Intl

Fri 3/27

1:50 pm-8:35 pm

1 stop20h 45m

$1,190

ChicagoSeoul

ORD - GMP

ORDGMP

Chicago O'Hare Intl

Sun 3/29

12:30 am-6:10 pm

1 stop27h 40m

Seoul Gimpo Intl

Sat 4/18

1:50 pm-9:00 pm

1 stop21h 10m

$1,220

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 $924.

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 $961. 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 Friday, with ticket prices averaging around $1,187.

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 $1,073 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 $1,545 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 $856 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 57% 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 January 2026, prices for Chicago to Seoul flights are approximately 4% 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

$463

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 $463. The best round-trip flight deal from Chicago to Seoul found on momondo in the last 72 hours is $787.
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

  • 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
8,049 reviews
Search Delta flights
United AirlinesPriceFrom $287Free CancellationRating
7.4
9,163 reviews
Search United Airlines flights
Cathay PacificPriceFrom $639Free CancellationRating
7.6
1,130 reviews
Search Cathay Pacific flights
Turkish AirlinesPriceFrom $869Free CancellationRating
7.3
4,169 reviews
Search Turkish Airlines flights
American AirlinesPriceFrom $916Free CancellationRating
7.2
11,131 reviews
Search American Airlines flights
EVA AirPriceFrom $1,003Free CancellationRating
8.4
1,319 reviews
Search EVA Air flights
Air CanadaPriceFrom $1,095Free CancellationRating
7.1
10,622 reviews
Search Air Canada flights
FinnairPriceFrom $1,110Free CancellationRating
7.6
1,349 reviews
Search Finnair flights
Korean AirPriceFrom $1,557Free CancellationRating
8.4
1,187 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 $1,557 round-trip, up to an average price of $1,899. Our users have rated Korean Air at 8.4/10.

  • Delta Flights From Chicago to Seoul

    Across 8,049 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 $1,885. 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.

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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