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Cheap flights from Chicago to Seoul from $356

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 3/3. 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
0 bags

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Find the cheapest flights from Chicago to Seoul

Cheap round-trip flights

Enter your travel dates to find the best prices.
Cathay Pacific Logo
2:35 pm - 1:55 pm
ORD
-
ICN
32h 20m1 stop
Cathay Pacific Logo
3:00 pm - 12:55 pm
ICN
-
ORD
36h 55m1 stop
$856Cathay Pacific
Tue, Jan 20 - Tue, Jan 27
Multiple Airlines Logo
5:53 pm - 5:40 am
ORD
-
ICN
20h 47m1 stop
Multiple Airlines Logo
1:20 pm - 3:58 pm
ICN
-
ORD
40h 38m2 stops
$866Multiple Airlines
Mon, Mar 2 - Tue, Mar 24
Multiple Airlines Logo
5:53 pm - 5:40 am
ORD
-
ICN
20h 47m1 stop
Multiple Airlines Logo
6:20 pm - 3:58 pm
ICN
-
ORD
35h 38m2 stops
$868Multiple Airlines
Mon, Mar 2 - Mon, Mar 30
Turkish Airlines Logo
11:50 am - 6:20 pm
ORD
-
ICN
39h 30m1 stop
Turkish Airlines Logo
12:10 am - 11:05 am
ICN
-
ORD
24h 55m1 stop
$882Turkish Airlines
Fri, Mar 6 - Sat, Mar 14
Turkish Airlines Logo
11:50 am - 9:05 am
ORD
-
ICN
30h 15m1 stop
Turkish Airlines Logo
12:10 am - 10:05 am
ICN
-
ORD
24h 55m1 stop
$895Turkish Airlines
Thu, Jan 22 - Wed, Jan 28
EVA Air Logo
12:30 am - 12:50 pm
ORD
-
GMP
22h 20m1 stop
EVA Air Logo
1:50 pm - 9:00 pm
GMP
-
ORD
21h 10m1 stop
$1,035EVA Air
Thu, Apr 16 - Sat, Apr 25
EVA Air Logo
12:30 am - 12:50 pm
ORD
-
GMP
22h 20m1 stop
EVA Air Logo
1:50 pm - 9:00 pm
GMP
-
ORD
21h 10m1 stop
$1,092EVA Air
Wed, May 13 - Sat, May 23
Japan Airlines Logo
9:11 am - 6:20 pm
ORD
-
GMP
42h 09m2 stops
Japan Airlines Logo
7:40 pm - 7:35 am
GMP
-
ORD
26h 55m1 stop
$1,313Japan Airlines
Mon, Jan 19 - Mon, Feb 2
Japan Airlines Logo
9:11 am - 6:20 pm
ORD
-
GMP
42h 09m2 stops
Japan Airlines Logo
8:00 am - 8:00 pm
GMP
-
ORD
27h 00m2 stops
$1,323Japan Airlines
Mon, Jan 19 - Mon, Feb 2
Air China Logo
10:41 am - 1:05 pm
ORD
-
GMP
35h 24m2 stops
Air China Logo
2:25 pm - 5:15 am
GMP
-
ORD
29h 50m2 stops
$1,393Air China
Mon, Jan 19 - Mon, Feb 2

Cathay Pacific flights from Chicago to Seoul

Our best Cathay Pacific deals on Chicago to Seoul flight tickets
Cathay Pacific
Jan 20
ORD2:35 pmChicago O'Hare Intl
32h 20m
1 stop
ICN1:55 pmIncheon Intl
Jan 27
ICN3:00 pmIncheon Intl
36h 55m
1 stop
ORD12:55 pmChicago O'Hare Intl
$856
Find similar
Cathay Pacific
Jan 26
ORD2:35 pmChicago O'Hare Intl
31h 10m
1 stop
ICN12:45 pmIncheon Intl
Mar 4
ICN3:00 pmIncheon Intl
36h 55m
1 stop
ORD12:55 pmChicago O'Hare Intl
$876
Find similar
Cathay Pacific
Jan 22
ORD2:35 pmChicago O'Hare Intl
32h 20m
1 stop
ICN1:55 pmIncheon Intl
Mar 3
ICN3:00 pmIncheon Intl
36h 55m
1 stop
ORD12:55 pmChicago O'Hare Intl
$881
Find similar

Turkish Airlines flights from Chicago to Seoul

Our best Turkish Airlines deals on Chicago to Seoul flight tickets
Turkish Airlines
Mar 6
ORD11:50 amChicago O'Hare Intl
39h 30m
1 stop
ICN6:20 pmIncheon Intl
Mar 14
ICN12:10 amIncheon Intl
24h 55m
1 stop
ORD11:05 amChicago O'Hare Intl
$882
Find similar
Turkish Airlines
Jan 22
ORD11:50 amChicago O'Hare Intl
30h 15m
1 stop
ICN9:05 amIncheon Intl
Jan 28
ICN12:10 amIncheon Intl
24h 55m
1 stop
ORD10:05 amChicago O'Hare Intl
$895
Find similar
Turkish Airlines
Apr 13
ORD7:50 pmChicago O'Hare Intl
31h 50m
1 stop
ICN5:40 pmIncheon Intl
May 4
ICN10:15 amIncheon Intl
37h 25m
1 stop
ORD9:40 amChicago O'Hare Intl
$909
Find similar

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 December 9, 2025.
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 1/20

2:35 pm-1:55 pm

1 stop32h 20m

Incheon Intl

Tue 1/27

3:00 pm-12:55 pm

1 stop36h 55m

$856

ChicagoIncheon

ORD - ICN

ORDICN

Chicago O'Hare Intl

Mon 3/2

5:53 pm-5:40 am

1 stop20h 47m

Incheon Intl

Tue 3/24

1:20 pm-3:58 pm

2 stops40h 38m

$866

ChicagoIncheon

ORD - ICN

ORDICN

Chicago O'Hare Intl

Mon 3/2

5:53 pm-5:40 am

1 stop20h 47m

Incheon Intl

Mon 3/30

6:20 pm-3:58 pm

2 stops35h 38m

$868

ChicagoIncheon

ORD - ICN

ORDICN

Chicago O'Hare Intl

Fri 3/6

11:50 am-6:20 pm

1 stop39h 30m

Incheon Intl

Sat 3/14

12:10 am-11:05 am

1 stop24h 55m

$882

ChicagoIncheon

ORD - ICN

ORDICN

Chicago O'Hare Intl

Thu 1/22

11:50 am-9:05 am

1 stop30h 15m

Incheon Intl

Wed 1/28

12:10 am-10:05 am

1 stop24h 55m

$895

ChicagoSeoul

ORD - GMP

ORDGMP

Chicago O'Hare Intl

Thu 4/16

12:30 am-12:50 pm

1 stop22h 20m

Seoul Gimpo Intl

Sat 4/25

1:50 pm-9:00 pm

1 stop21h 10m

$1,035

ChicagoSeoul

ORD - GMP

ORDGMP

Chicago O'Hare Intl

Wed 5/13

12:30 am-12:50 pm

1 stop22h 20m

Seoul Gimpo Intl

Sat 5/23

1:50 pm-9:00 pm

1 stop21h 10m

$1,092

ChicagoSeoul

ORD - GMP

ORDGMP

Chicago O'Hare Intl

Mon 1/19

9:11 am-6:20 pm

2 stops42h 09m

Seoul Gimpo Intl

Mon 2/2

7:40 pm-7:35 am

1 stop26h 55m

$1,313

ChicagoSeoul

ORD - GMP

ORDGMP

Chicago O'Hare Intl

Mon 1/19

9:11 am-6:20 pm

2 stops42h 09m

Seoul Gimpo Intl

Mon 2/2

8:00 am-8:00 pm

2 stops27h 00m

$1,323

ChicagoSeoul

ORD - GMP

ORDGMP

Chicago O'Hare Intl

Mon 1/19

10:41 am-1:05 pm

2 stops35h 24m

Seoul Gimpo Intl

Mon 2/2

2:25 pm-5:15 am

2 stops29h 50m

$1,393

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 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 $980. 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 $1,304.

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 afternoon is when there is more demand to fly to Seoul, so prices are often more expensive at around $1,430 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 $1,534 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 $1,318 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 December 2025, 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

$580

Fastest flight time

14h 20m

Direct flights

Every day

Airports in Seoul

1 airport
The best one-way flight to Seoul from Chicago in the past 72 hours is $580. The best round-trip flight deal from Chicago to Seoul found on momondo in the last 72 hours is $800.
The fastest flight from Chicago to Seoul takes 14h 20m
Direct flights go from Chicago to Seoul every day.
There is 1 airport near Seoul: 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 16h 55m 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
8,011 reviews
Search Delta flights
United AirlinesPriceFrom $287Free CancellationRating
7.4
9,089 reviews
Search United Airlines flights
Cathay PacificPriceFrom $639Free CancellationRating
7.6
1,090 reviews
Search Cathay Pacific flights
Turkish AirlinesPriceFrom $848Free CancellationRating
7.3
4,084 reviews
Search Turkish Airlines flights
American AirlinesPriceFrom $926Free CancellationRating
7.2
11,045 reviews
Search American Airlines flights
EVA AirPriceFrom $1,015Free CancellationRating
8.4
1,296 reviews
Search EVA Air flights
Air CanadaPriceFrom $1,095Free CancellationRating
7.1
10,514 reviews
Search Air Canada flights
FinnairPriceFrom $1,110Free CancellationRating
7.6
1,334 reviews
Search Finnair flights
Korean AirPriceFrom $1,506Free CancellationRating
8.4
1,183 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 $1,506 round-trip, up to an average price of $1,896. Our users have rated Korean Air at 8.4/10.

  • Delta Flights From Chicago to Seoul

    Across 8,011 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 $1,881. 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