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Cheap flights from Chicago to Seoul from $358

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 12/6. 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

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Multiple Airlines Logo
2:01 pm - 5:40 amORD-ICN
24h 39m1 stop
Multiple Airlines Logo
9:20 pm - 8:17 pmICN-ORD
37h 57m2 stops
$814Multiple Airlines
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Wed, Dec 3 - Sun, Dec 14
Turkish Airlines Logo
8:20 pm - 6:20 pmORD-ICN
31h 00m1 stop
Turkish Airlines Logo
10:45 am - 10:05 amICN-ORD
38h 20m1 stop
$835Turkish Airlines
Find Deal
Mon, Jan 26 - Wed, Feb 4
Turkish Airlines Logo
8:20 pm - 6:20 pmORD-ICN
31h 00m1 stop
Turkish Airlines Logo
12:10 am - 10:05 amICN-ORD
24h 55m1 stop
$844Turkish Airlines
Find Deal
Mon, Jan 26 - Tue, Feb 3
Cathay Pacific Logo
2:35 pm - 9:25 pmORD-ICN
39h 50m1 stop
Cathay Pacific Logo
7:35 pm - 12:55 pmICN-ORD
32h 20m1 stop
$857Cathay Pacific
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Mon, Feb 9 - Mon, Feb 16
Cathay Pacific Logo
2:35 pm - 1:55 pmORD-ICN
32h 20m1 stop
Cathay Pacific Logo
10:00 am - 12:55 pmICN-ORD
41h 55m1 stop
$864Cathay Pacific
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Mon, Jan 12 - Mon, Jan 26
EVA Air Logo
12:30 am - 1:30 pmORD-ICN
23h 00m1 stop
EVA Air Logo
7:45 pm - 9:00 pmICN-ORD
39h 15m1 stop
$958EVA Air
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Wed, Mar 25 - Wed, Apr 8
EVA Air Logo
12:30 am - 11:00 amORD-ICN
20h 30m1 stop
EVA Air Logo
7:45 pm - 9:00 pmICN-ORD
39h 15m1 stop
$959EVA Air
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Wed, Apr 29 - Mon, Jun 1
Delta Logo
6:00 am - 3:50 pmMDW-ICN
18h 50m1 stop
Delta Logo
7:25 pm - 11:40 pmICN-MDW
19h 15m1 stop
$1,657Delta
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Thu, Nov 20 - Fri, Nov 28
Delta Logo
6:00 am - 3:50 pmMDW-ICN
18h 50m1 stop
Delta Logo
7:30 pm - 11:40 pmICN-MDW
19h 10m2 stops
$1,661Delta
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Thu, Nov 20 - Fri, Nov 28
Korean Air Logo
9:30 am - 4:50 pmMDW-ICN
17h 20m1 stop
Korean Air Logo
9:35 am - 12:35 pmICN-MDW
17h 00m1 stop
$1,800Korean Air
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Tue, Mar 10 - Tue, Mar 24

Turkish Airlines flights from Chicago to Seoul

Our best Turkish Airlines deals on Chicago to Seoul flight tickets
Turkish Airlines
Jan 26
ORD8:20 pmChicago O'Hare Intl
31h 00m
1 stop
ICN6:20 pmIncheon Intl
Feb 4
ICN10:45 amIncheon Intl
38h 20m
1 stop
ORD10:05 amChicago O'Hare Intl
$835
Find similar
Turkish Airlines
Jan 26
ORD8:20 pmChicago O'Hare Intl
31h 00m
1 stop
ICN6:20 pmIncheon Intl
Feb 3
ICN12:10 amIncheon Intl
24h 55m
1 stop
ORD10:05 amChicago O'Hare Intl
$844
Find similar
Turkish Airlines
Feb 15
ORD8:20 pmChicago O'Hare Intl
31h 00m
1 stop
ICN6:20 pmIncheon Intl
Feb 27
ICN10:45 amIncheon Intl
46h 40m
1 stop
ORD6:25 pmChicago O'Hare Intl
$851
Find similar

Cathay Pacific flights from Chicago to Seoul

Our best Cathay Pacific deals on Chicago to Seoul flight tickets
Cathay Pacific
Feb 9
ORD2:35 pmChicago O'Hare Intl
39h 50m
1 stop
ICN9:25 pmIncheon Intl
Feb 16
ICN7:35 pmIncheon Intl
32h 20m
1 stop
ORD12:55 pmChicago O'Hare Intl
$857
Find similar
Cathay Pacific
Jan 12
ORD2:35 pmChicago O'Hare Intl
32h 20m
1 stop
ICN1:55 pmIncheon Intl
Jan 26
ICN10:00 amIncheon Intl
41h 55m
1 stop
ORD12:55 pmChicago O'Hare Intl
$864
Find similar
Cathay Pacific
Apr 6
ORD4:00 pmChicago O'Hare Intl
39h 10m
1 stop
ICN9:10 pmIncheon Intl
Apr 27
ICN3:10 pmIncheon Intl
37h 15m
1 stop
ORD2:25 pmChicago O'Hare Intl
$866
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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 November 6, 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

Wed 12/3

2:01 pm-5:40 am

1 stop24h 39m

Incheon Intl

Sun 12/14

9:20 pm-8:17 pm

2 stops37h 57m

$814

ChicagoIncheon

ORD - ICN

ORDICN

Chicago O'Hare Intl

Mon 1/26

8:20 pm-6:20 pm

1 stop31h 00m

Incheon Intl

Wed 2/4

10:45 am-10:05 am

1 stop38h 20m

$835

ChicagoIncheon

ORD - ICN

ORDICN

Chicago O'Hare Intl

Mon 1/26

8:20 pm-6:20 pm

1 stop31h 00m

Incheon Intl

Tue 2/3

12:10 am-10:05 am

1 stop24h 55m

$844

ChicagoIncheon

ORD - ICN

ORDICN

Chicago O'Hare Intl

Mon 2/9

2:35 pm-9:25 pm

1 stop39h 50m

Incheon Intl

Mon 2/16

7:35 pm-12:55 pm

1 stop32h 20m

$857

ChicagoIncheon

ORD - ICN

ORDICN

Chicago O'Hare Intl

Mon 1/12

2:35 pm-1:55 pm

1 stop32h 20m

Incheon Intl

Mon 1/26

10:00 am-12:55 pm

1 stop41h 55m

$864

ChicagoIncheon

ORD - ICN

ORDICN

Chicago O'Hare Intl

Wed 3/25

12:30 am-1:30 pm

1 stop23h 00m

Incheon Intl

Wed 4/8

7:45 pm-9:00 pm

1 stop39h 15m

$958

ChicagoIncheon

ORD - ICN

ORDICN

Chicago O'Hare Intl

Wed 4/29

12:30 am-11:00 am

1 stop20h 30m

Incheon Intl

Mon 6/1

7:45 pm-9:00 pm

1 stop39h 15m

$959

ChicagoIncheon

MDW - ICN

MDWICN

Chicago Midway

Thu 11/20

6:00 am-3:50 pm

1 stop18h 50m

Incheon Intl

Fri 11/28

7:25 pm-11:40 pm

1 stop19h 15m

$1,657

ChicagoIncheon

MDW - ICN

MDWICN

Chicago Midway

Thu 11/20

6:00 am-3:50 pm

1 stop18h 50m

Incheon Intl

Fri 11/28

7:30 pm-11:40 pm

2 stops19h 10m

$1,661

ChicagoIncheon

MDW - ICN

MDWICN

Chicago Midway

Tue 3/10

9:30 am-4:50 pm

1 stop17h 20m

Incheon Intl

Tue 3/24

9:35 am-12:35 pm

1 stop17h 00m

$1,800

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 February is another great option to travel to Seoul, with average flight prices from Chicago averaging around $1,043.

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 $989. 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 $1,315.

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 $1,126 when looking at flights departing in the morning. 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 $1,514 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 $1,384 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.

How have Chicago to Seoul flight prices changed over time?

As of November 2025, prices for Chicago to Seoul flights are approximately 27% 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

$556

Fastest flight time

14h 30m

Direct flights

Every day

Airports in Seoul

1 airport
The best one-way flight to Seoul from Chicago in the past 72 hours is $556. The best round-trip flight deal from Chicago to Seoul found on momondo in the last 72 hours is $782.
The fastest flight from Chicago to Seoul takes 14h 30m
Direct flights go from Chicago to Seoul every day.
There is 1 airport near Seoul: Incheon Intl (ICN)
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  • How far is Chicago to Seoul by plane?

    A flight from Chicago to Seoul will travel around 6526.8 mi. Typically, this will take 17h 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
8,001 reviews
Search Delta flights
United AirlinesPriceFrom $287Free CancellationRating
7.4
9,007 reviews
Search United Airlines flights
Cathay PacificPriceFrom $639Free CancellationRating
7.6
1,055 reviews
Search Cathay Pacific flights
Turkish AirlinesPriceFrom $848Free CancellationRating
7.3
4,032 reviews
Search Turkish Airlines flights
American AirlinesPriceFrom $926Free CancellationRating
7.2
11,040 reviews
Search American Airlines flights
EVA AirPriceFrom $1,015Free CancellationRating
8.4
1,272 reviews
Search EVA Air flights
Air CanadaPriceFrom $1,067Free CancellationRating
7.1
10,416 reviews
Search Air Canada flights
FinnairPriceFrom $1,110Free CancellationRating
7.6
1,335 reviews
Search Finnair flights
Korean AirPriceFrom $1,503Free CancellationRating
8.4
1,160 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 $1,503 round-trip, up to an average price of $1,886. Our users have rated Korean Air at 8.4/10.

  • Delta Flights From Chicago to Seoul

    Across 8,001 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 $1,886. 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