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Cheap flights from Chicago to Seoul from $404

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 11/28. 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.
Cathay Pacific Logo
4:00 pm - 7:05 pmORD-ICN
37h 05m1 stop
Cathay Pacific Logo
7:35 pm - 12:55 pmICN-ORD
32h 20m1 stop
$846Cathay Pacific
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Thu, Oct 23 - Wed, Nov 5
Cathay Pacific Logo
4:00 pm - 7:05 pmORD-ICN
37h 05m1 stop
Cathay Pacific Logo
7:35 pm - 12:55 pmICN-ORD
32h 20m1 stop
$854Cathay Pacific
Find Deal
Thu, Oct 23 - Tue, Nov 11
Cathay Pacific Logo
3:35 pm - 9:25 pmORD-ICN
39h 50m1 stop
Cathay Pacific Logo
1:45 pm - 12:55 pmICN-ORD
38h 10m1 stop
$861Cathay Pacific
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Wed, Oct 29 - Tue, Nov 4
Multiple Airlines Logo
6:30 am - 4:20 pmORD-ICN
42h 50m1 stop
Multiple Airlines Logo
9:20 pm - 10:41 amICN-ORD
28h 21m2 stops
$865Multiple Airlines
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Thu, Nov 6 - Sun, Nov 16
Multiple Airlines Logo
8:10 am - 5:10 amORD-ICN
30h 00m1 stop
Multiple Airlines Logo
9:20 pm - 1:35 pmICN-ORD
31h 15m2 stops
$876Multiple Airlines
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Fri, Nov 21 - Sun, Nov 30
EVA Air Logo
12:30 am - 6:45 pmORD-ICN
28h 15m1 stop
EVA Air Logo
12:00 pm - 9:00 pmICN-ORD
23h 00m1 stop
$963EVA Air
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Wed, Mar 25 - Wed, Apr 8
EVA Air Logo
12:30 am - 6:45 pmORD-ICN
28h 15m1 stop
EVA Air Logo
7:45 pm - 9:00 pmICN-ORD
39h 15m1 stop
$964EVA Air
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Sun, Mar 29 - Tue, Apr 21
Delta Logo
6:00 am - 3:50 pmMDW-ICN
19h 50m1 stop
Delta Logo
7:25 pm - 10:14 pmICN-MDW
17h 49m1 stop
$1,607Delta
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Wed, Oct 29 - Mon, Nov 3
Delta Logo
10:40 am - 5:10 amMDW-ICN
28h 30m2 stops
Delta Logo
9:45 am - 4:14 pmICN-MDW
21h 29m1 stop
$1,612Delta
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Thu, Oct 30 - Thu, Nov 6
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
Find Deal
Mon, Mar 9 - Mon, Mar 23

Cathay Pacific flights from Chicago to Incheon Intl Airport

Our best Cathay Pacific deals on Chicago to Incheon Intl Airport flight tickets
Cathay Pacific
Oct 23
ORD4:00 pmChicago O'Hare Intl
37h 05m
1 stop
ICN7:05 pmIncheon Intl
Nov 5
ICN7:35 pmIncheon Intl
32h 20m
1 stop
ORD12:55 pmChicago O'Hare Intl
$846
Find similar
Cathay Pacific
Oct 23
ORD4:00 pmChicago O'Hare Intl
37h 05m
1 stop
ICN7:05 pmIncheon Intl
Nov 11
ICN7:35 pmIncheon Intl
32h 20m
1 stop
ORD12:55 pmChicago O'Hare Intl
$854
Find similar
Cathay Pacific
Oct 29
ORD3:35 pmChicago O'Hare Intl
39h 50m
1 stop
ICN9:25 pmIncheon Intl
Nov 4
ICN1:45 pmIncheon Intl
38h 10m
1 stop
ORD12:55 pmChicago O'Hare Intl
$861
Find similar

EVA Air flights from Chicago to Incheon Intl Airport

Our best EVA Air deals on Chicago to Incheon Intl Airport flight tickets
EVA Air
Mar 25
ORD12:30 amChicago O'Hare Intl
28h 15m
1 stop
ICN6:45 pmIncheon Intl
Apr 8
ICN12:00 pmIncheon Intl
23h 00m
1 stop
ORD9:00 pmChicago O'Hare Intl
$963
Find similar
EVA Air
Mar 29
ORD12:30 amChicago O'Hare Intl
28h 15m
1 stop
ICN6:45 pmIncheon Intl
Apr 21
ICN7:45 pmIncheon Intl
39h 15m
1 stop
ORD9:00 pmChicago O'Hare Intl
$964
Find similar
EVA Air
Mar 24
ORD12:30 amChicago O'Hare Intl
28h 15m
1 stop
ICN6:45 pmIncheon Intl
Apr 8
ICN12:00 pmIncheon Intl
23h 00m
1 stop
ORD9:00 pmChicago O'Hare Intl
$965
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Chicago to Incheon Intl Airport 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 October 6, 2025.
Use the filters below to find and compare flights from Chicago to Incheon Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoIncheon

ORD - ICN

ORDICN

Chicago O'Hare Intl

Thu 10/23

4:00 pm-7:05 pm

1 stop37h 05m

Incheon Intl

Wed 11/5

7:35 pm-12:55 pm

1 stop32h 20m

$846

ChicagoIncheon

ORD - ICN

ORDICN

Chicago O'Hare Intl

Thu 10/23

4:00 pm-7:05 pm

1 stop37h 05m

Incheon Intl

Tue 11/11

7:35 pm-12:55 pm

1 stop32h 20m

$854

ChicagoIncheon

ORD - ICN

ORDICN

Chicago O'Hare Intl

Wed 10/29

3:35 pm-9:25 pm

1 stop39h 50m

Incheon Intl

Tue 11/4

1:45 pm-12:55 pm

1 stop38h 10m

$861

ChicagoIncheon

ORD - ICN

ORDICN

Chicago O'Hare Intl

Thu 11/6

6:30 am-4:20 pm

1 stop42h 50m

Incheon Intl

Sun 11/16

9:20 pm-10:41 am

2 stops28h 21m

$865

ChicagoIncheon

ORD - ICN

ORDICN

Chicago O'Hare Intl

Fri 11/21

8:10 am-5:10 am

1 stop30h 00m

Incheon Intl

Sun 11/30

9:20 pm-1:35 pm

2 stops31h 15m

$876

ChicagoIncheon

ORD - ICN

ORDICN

Chicago O'Hare Intl

Wed 3/25

12:30 am-6:45 pm

1 stop28h 15m

Incheon Intl

Wed 4/8

12:00 pm-9:00 pm

1 stop23h 00m

$963

ChicagoIncheon

ORD - ICN

ORDICN

Chicago O'Hare Intl

Sun 3/29

12:30 am-6:45 pm

1 stop28h 15m

Incheon Intl

Tue 4/21

7:45 pm-9:00 pm

1 stop39h 15m

$964

ChicagoIncheon

MDW - ICN

MDWICN

Chicago Midway

Wed 10/29

6:00 am-3:50 pm

1 stop19h 50m

Incheon Intl

Mon 11/3

7:25 pm-10:14 pm

1 stop17h 49m

$1,607

ChicagoIncheon

MDW - ICN

MDWICN

Chicago Midway

Thu 10/30

10:40 am-5:10 am

2 stops28h 30m

Incheon Intl

Thu 11/6

9:45 am-4:14 pm

1 stop21h 29m

$1,612

ChicagoIncheon

MDW - ICN

MDWICN

Chicago Midway

Mon 3/9

9:30 am-4:50 pm

1 stop17h 20m

Incheon Intl

Mon 3/23

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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How to get the cheapest flight ticket from Chicago to Incheon Intl Airport

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 Incheon Intl Airport?

The cheapest month to fly to Incheon Intl Airport from Chicago is in August. Flight prices, which tend to average around $760, are often lower during this time because this is during the off-season. If you are unable to visit Incheon Intl Airport during the month of August, then departing from Chicago during the month October is also very affordable. Most momondo users find prices during this month for around $1,229.

What is the cheapest day to depart on your flight to Incheon Intl Airport?

The cheapest day to depart from Chicago to Incheon Intl Airport is on a Monday when prices can be found for as low as $1,047. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around $1,307. These prices are subject to change though, so be sure to set up a Price Alert for flights to Incheon Intl Airport.

What is the cheapest time of day to depart on your flight to Incheon Intl Airport?

At noon is the cheapest time of day to fly from Chicago to Incheon Intl Airport when you can find flight prices for as low as $920. Flying to Incheon Intl Airport at noon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $1,466 on average. Flights to Incheon Intl Airport from Chicago in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Chicago to Incheon Intl flight route?

Fly from Chicago O'Hare Intl to Incheon Intl for the best Chicago - Incheon Intl flight prices

How far in advance should I book a flight to Incheon Intl Airport?

You are more likely to see cheaper flights to Incheon Intl Airport from Chicago when booking weeks ahead of your departure date. In general, you can expect to find flights to Incheon Intl Airport for around $1,523 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Incheon Intl Airport from Chicago for as low as $1,294 on momondo.

What cabin class options are available on Chicago to Incheon Intl flights?

There are 4 cabin classes available to choose from on Chicago to Incheon Intl 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 Incheon Intl Airport flight prices changed over time?

As of October 2025, prices for Chicago to Incheon Intl Airport flights are approximately 20% cheaper when compared to flights at the same time last year.

When to book flights from Chicago to Incheon Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago to Incheon Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Chicago to Incheon Intl Airport (CHI to ICN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago to Incheon Intl Airport

Best Price Found

$502

Fastest flight time

14h 30m

Direct flights

Every day
The best one-way flight to Incheon Intl Airport from Chicago in the past 72 hours is $502. The best round-trip flight deal from Chicago to Incheon Intl Airport found on momondo in the last 72 hours is $759.
The fastest flight from Chicago to Incheon Intl Airport takes 14h 30m
Direct flights go from Chicago to Incheon Intl Airport every day.
Search flight deals

  • How far is Chicago to Incheon Intl by plane?

    There are 6545.7 mi between Chicago and Incheon Intl. Typically, this will take 17h 20m by plane in normal conditions.

  • When did momondo last update prices for flights from Chicago to Incheon Intl Airport?

    Prices for flights from Chicago to Incheon Intl Airport refresh daily.

  • How many operators does momondo search for flights from Chicago to Incheon Intl Airport?

  • How old do you have to be to fly from Chicago to Incheon Intl Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago to Incheon Intl Airport.

  • What documentation or ID do you need to fly to Incheon Intl Airport?

    The travel and health documents you'll need for your trip to Incheon Intl Airport 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 Incheon Intl Airport. 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 Incheon Intl Airport?

  • What is the most popular airline from Chicago to Incheon Intl Airport?

Best airlines flying from Chicago to Incheon Intl Airport

Compare and see reviews for airlines that fly from Chicago to Incheon Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $196Free CancellationRating
7.9
7,968 reviews
Search Delta flights
United AirlinesPriceFrom $287Free CancellationRating
7.4
8,954 reviews
Search United Airlines flights
Cathay PacificPriceFrom $639Free CancellationRating
7.6
1,020 reviews
Search Cathay Pacific flights
Turkish AirlinesPriceFrom $848Free CancellationRating
7.3
3,991 reviews
Search Turkish Airlines flights
Air CanadaPriceFrom $916Free CancellationRating
7.1
10,241 reviews
Search Air Canada flights
American AirlinesPriceFrom $927Free CancellationRating
7.2
11,039 reviews
Search American Airlines flights
EVA AirPriceFrom $1,085Free CancellationRating
8.4
1,248 reviews
Search EVA Air flights
FinnairPriceFrom $1,110Free CancellationRating
7.6
1,332 reviews
Search Finnair flights
Korean AirPriceFrom $1,501Free CancellationRating
8.4
1,147 reviews
Search Korean Air flights

  • Korean Air Flights From Chicago to Incheon Intl Airport

    Across 8 Korean Air flights from Chicago to Incheon Intl Airport this week, the average price was $1,874, with the best Korean Air deals starting from $1,501 round-trip. 1,147 users have rated Korean Air on momondo, with an average score of 8.4/10.

  • Delta Flights From Chicago to Incheon Intl Airport

    Across 7,968 Delta reviews on momondo, the average score is 7.9/10. Delta flies from Chicago to Incheon Intl Airport about 7 times each week, with ticket deals ranging from $196 to $1,916. Price data is based on momondo searches in the last 72 hours.

Traveling to a place near Seoul?

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Daejeon
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Why should I use momondo to find a flight deal from Chicago to Seoul?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Seoul from Chicago.

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?

Once all potential Chicago to Seoul flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Chicago to Seoul right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Chicago to Seoul flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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